The document discusses the history and evolution of endoscopic and laparoscopic surgery from the 1800s to present day. Key developments include the first use of endoscopes in the 1800s, advancements in instrumentation and video technology in the 1900s enabling more complex procedures, and the explosion of laparoscopic surgeries starting in the late 1980s with procedures like laparoscopic cholecystectomy. The future of laparoscopy may include improvements like 3D imaging to enhance the surgical experience.
Chronological Advances in Minimal Access Surgery..pdfAmzadHosen3
World Laparoscopy Hospital provides learning by doing. It provides real-world laparoscopic surgery experience by allowing the trainee to get hands-on directly with whatever surgeons are learning and developing a sense of empowerment. After taking this laparoscopic training course, surgeons and gynecologists can perform laparoscopic surgery them self on their patients with confidence.
https://www.laparoscopyhospital.com/SERV01.HTM
Chronological Advances in Minimal Access Surgery..pdfAmzadHosen3
World Laparoscopy Hospital provides learning by doing. It provides real-world laparoscopic surgery experience by allowing the trainee to get hands-on directly with whatever surgeons are learning and developing a sense of empowerment. After taking this laparoscopic training course, surgeons and gynecologists can perform laparoscopic surgery them self on their patients with confidence.
https://www.laparoscopyhospital.com/SERV01.HTM
What is MIS?
A minimally invasive medical procedure is defined as one that is carried out by entering the body through the skin or through a body cavity or anatomical opening, but with the smallest damage possible to these struct uresIncludes laparoscopic, endoscopic, and other approaches.
Why MIS?
Decreased patient pain
Decreased patient recovery period
Possible decrease in inflammatory response in the patient which may prove to have a better outcome in oncologic operations.
Distant future
In the distant future, there will be a para- digm shift with the development of non-inva- sive surgical techniques in combination with nanotechnologies and a new era in the devel- opment of surgery, and subsequently in surgi- cal techniques, will be opened.
Nanotechnology is an umbrella term for materials and devices that operate at the nanoskill (1 billionth of a meter). In terms of scale, a nanometer is approximately one 1/8000 of a human hair or 10 times the diam- eter of a hydrogen atom. The size of the device can vary but starts from a ten thou- sand-logic element system that will occupy a cube of no more than one hundred nanome- ters. This is a volume slightly larger than 0.001 cubic microns. This would be sufficient to hold a small computer. For example, if red blood cells are approximately eight microns in diameter, the 100 nanomicroprocessor will be 80 times smaller than a red blood cell. Devices this size could easily fit into the circulatory system and could even conceivably enter indi- vidual cells.
It has not changed the nature of disease
The basic principles of good surgery still apply,including appropriate case selection, excellent exposure,adequate retraction and a high level technical expertise
If a procedure makes no sense with conventional access, it will make no sense with a minimal access approach
The cleaner and gentler the act of operation, the less the patient suffers, the smoother and quicker his convalescence,the more exquisite his healed wound.
We actually do not know what is there stored for us, but we believe that laparoscopy is trending towards advancement and nano and robotic technology is going to replace in future.
3D cameras have come into existence and various newer technologies are being invented.
How were our ancestors perceiving the solar system and planet Mars?
When was invented the first telescope?
How did things evolve since then?
Why do telescopes need to use adaptive optics?
What is MIS?
A minimally invasive medical procedure is defined as one that is carried out by entering the body through the skin or through a body cavity or anatomical opening, but with the smallest damage possible to these struct uresIncludes laparoscopic, endoscopic, and other approaches.
Why MIS?
Decreased patient pain
Decreased patient recovery period
Possible decrease in inflammatory response in the patient which may prove to have a better outcome in oncologic operations.
Distant future
In the distant future, there will be a para- digm shift with the development of non-inva- sive surgical techniques in combination with nanotechnologies and a new era in the devel- opment of surgery, and subsequently in surgi- cal techniques, will be opened.
Nanotechnology is an umbrella term for materials and devices that operate at the nanoskill (1 billionth of a meter). In terms of scale, a nanometer is approximately one 1/8000 of a human hair or 10 times the diam- eter of a hydrogen atom. The size of the device can vary but starts from a ten thou- sand-logic element system that will occupy a cube of no more than one hundred nanome- ters. This is a volume slightly larger than 0.001 cubic microns. This would be sufficient to hold a small computer. For example, if red blood cells are approximately eight microns in diameter, the 100 nanomicroprocessor will be 80 times smaller than a red blood cell. Devices this size could easily fit into the circulatory system and could even conceivably enter indi- vidual cells.
It has not changed the nature of disease
The basic principles of good surgery still apply,including appropriate case selection, excellent exposure,adequate retraction and a high level technical expertise
If a procedure makes no sense with conventional access, it will make no sense with a minimal access approach
The cleaner and gentler the act of operation, the less the patient suffers, the smoother and quicker his convalescence,the more exquisite his healed wound.
We actually do not know what is there stored for us, but we believe that laparoscopy is trending towards advancement and nano and robotic technology is going to replace in future.
3D cameras have come into existence and various newer technologies are being invented.
How were our ancestors perceiving the solar system and planet Mars?
When was invented the first telescope?
How did things evolve since then?
Why do telescopes need to use adaptive optics?
KNOWLEDGE AND PRACTICES AMONG SURGEONS REGARDING CROSS INFECTION CONTROL PROC...Anil Haripriya
The study revealed good knowledge of infection control procedures but there were problems in practices of
sterilization. Most of them did not separate the needle from the syringe prior to disposal therefore needle
prick injuries were common. So more intensive and regular training programs to surgeons must be included
in the plans of quality control in all hospital and regular inspection from the ministry of health guarantees
good infection control practices
knowledge of health care professionals regarding medico-legal aspects and its...Anil Haripriya
knowledgeable about medical legal aspects and informed consent but when it came to actual objectives of consumer protection act and methods of filing cases their knowledge was satisfactory. So, medical health professionals need to update their understanding on consumer protection act and its amendments to be on a legally safer side.
FOURNIER’S GANGRENE: REVIEW OF 57 CASES IN TERTIARY INSTITUTIONAnil Haripriya
Fournier’s gangrene which is a rapidly progressive, fulminant polymicrobial synergistic infection of the perineum and genitals is now changing its pattern. Both genders can be affected and the mortality is still high (around10%). The clinical presentation in many patients in early stage may not be prominent. Thus rapid and accurate diagnosis is must for prompt treatment. Extensive surgical debridement and broad spectrum intravenous antibiotic remains the mainstay of treatment in order to reduce the morbidity and mortality.
EVALUATION OF ABSORBABLE AND NON-ABSORBABLE SUTURES IN A COHORT STUDYAnil Haripriya
Suturing has been used all the way through the ages to assist healing of human tissues by wound closure. Earlier, animal fibers were used as thread and the needles were fashioned from animal bone or bits of metal. Nowadays, sterilized sutures have mostly replaced these materials but the essential principles remain the same.[13]
our study and experiences we thus conclude that the stapler haemorrhoidopexy is simple and safe procedure. It is a minimally invasive procedure and it is less associated with post-operative pain bleeding and prolapse. It can be done as the day care surgery.
New Drug Discovery and Development .....NEHA GUPTA
The "New Drug Discovery and Development" process involves the identification, design, testing, and manufacturing of novel pharmaceutical compounds with the aim of introducing new and improved treatments for various medical conditions. This comprehensive endeavor encompasses various stages, including target identification, preclinical studies, clinical trials, regulatory approval, and post-market surveillance. It involves multidisciplinary collaboration among scientists, researchers, clinicians, regulatory experts, and pharmaceutical companies to bring innovative therapies to market and address unmet medical needs.
Title: Sense of Taste
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the structure and function of taste buds.
Describe the relationship between the taste threshold and taste index of common substances.
Explain the chemical basis and signal transduction of taste perception for each type of primary taste sensation.
Recognize different abnormalities of taste perception and their causes.
Key Topics:
Significance of Taste Sensation:
Differentiation between pleasant and harmful food
Influence on behavior
Selection of food based on metabolic needs
Receptors of Taste:
Taste buds on the tongue
Influence of sense of smell, texture of food, and pain stimulation (e.g., by pepper)
Primary and Secondary Taste Sensations:
Primary taste sensations: Sweet, Sour, Salty, Bitter, Umami
Chemical basis and signal transduction mechanisms for each taste
Taste Threshold and Index:
Taste threshold values for Sweet (sucrose), Salty (NaCl), Sour (HCl), and Bitter (Quinine)
Taste index relationship: Inversely proportional to taste threshold
Taste Blindness:
Inability to taste certain substances, particularly thiourea compounds
Example: Phenylthiocarbamide
Structure and Function of Taste Buds:
Composition: Epithelial cells, Sustentacular/Supporting cells, Taste cells, Basal cells
Features: Taste pores, Taste hairs/microvilli, and Taste nerve fibers
Location of Taste Buds:
Found in papillae of the tongue (Fungiform, Circumvallate, Foliate)
Also present on the palate, tonsillar pillars, epiglottis, and proximal esophagus
Mechanism of Taste Stimulation:
Interaction of taste substances with receptors on microvilli
Signal transduction pathways for Umami, Sweet, Bitter, Sour, and Salty tastes
Taste Sensitivity and Adaptation:
Decrease in sensitivity with age
Rapid adaptation of taste sensation
Role of Saliva in Taste:
Dissolution of tastants to reach receptors
Washing away the stimulus
Taste Preferences and Aversions:
Mechanisms behind taste preference and aversion
Influence of receptors and neural pathways
Impact of Sensory Nerve Damage:
Degeneration of taste buds if the sensory nerve fiber is cut
Abnormalities of Taste Detection:
Conditions: Ageusia, Hypogeusia, Dysgeusia (parageusia)
Causes: Nerve damage, neurological disorders, infections, poor oral hygiene, adverse drug effects, deficiencies, aging, tobacco use, altered neurotransmitter levels
Neurotransmitters and Taste Threshold:
Effects of serotonin (5-HT) and norepinephrine (NE) on taste sensitivity
Supertasters:
25% of the population with heightened sensitivity to taste, especially bitterness
Increased number of fungiform papillae
ARTIFICIAL INTELLIGENCE IN HEALTHCARE.pdfAnujkumaranit
Artificial intelligence (AI) refers to the simulation of human intelligence processes by machines, especially computer systems. It encompasses tasks such as learning, reasoning, problem-solving, perception, and language understanding. AI technologies are revolutionizing various fields, from healthcare to finance, by enabling machines to perform tasks that typically require human intelligence.
Recomendações da OMS sobre cuidados maternos e neonatais para uma experiência pós-natal positiva.
Em consonância com os ODS – Objetivos do Desenvolvimento Sustentável e a Estratégia Global para a Saúde das Mulheres, Crianças e Adolescentes, e aplicando uma abordagem baseada nos direitos humanos, os esforços de cuidados pós-natais devem expandir-se para além da cobertura e da simples sobrevivência, de modo a incluir cuidados de qualidade.
Estas diretrizes visam melhorar a qualidade dos cuidados pós-natais essenciais e de rotina prestados às mulheres e aos recém-nascidos, com o objetivo final de melhorar a saúde e o bem-estar materno e neonatal.
Uma “experiência pós-natal positiva” é um resultado importante para todas as mulheres que dão à luz e para os seus recém-nascidos, estabelecendo as bases para a melhoria da saúde e do bem-estar a curto e longo prazo. Uma experiência pós-natal positiva é definida como aquela em que as mulheres, pessoas que gestam, os recém-nascidos, os casais, os pais, os cuidadores e as famílias recebem informação consistente, garantia e apoio de profissionais de saúde motivados; e onde um sistema de saúde flexível e com recursos reconheça as necessidades das mulheres e dos bebês e respeite o seu contexto cultural.
Estas diretrizes consolidadas apresentam algumas recomendações novas e já bem fundamentadas sobre cuidados pós-natais de rotina para mulheres e neonatos que recebem cuidados no pós-parto em unidades de saúde ou na comunidade, independentemente dos recursos disponíveis.
É fornecido um conjunto abrangente de recomendações para cuidados durante o período puerperal, com ênfase nos cuidados essenciais que todas as mulheres e recém-nascidos devem receber, e com a devida atenção à qualidade dos cuidados; isto é, a entrega e a experiência do cuidado recebido. Estas diretrizes atualizam e ampliam as recomendações da OMS de 2014 sobre cuidados pós-natais da mãe e do recém-nascido e complementam as atuais diretrizes da OMS sobre a gestão de complicações pós-natais.
O estabelecimento da amamentação e o manejo das principais intercorrências é contemplada.
Recomendamos muito.
Vamos discutir essas recomendações no nosso curso de pós-graduação em Aleitamento no Instituto Ciclos.
Esta publicação só está disponível em inglês até o momento.
Prof. Marcus Renato de Carvalho
www.agostodourado.com
These simplified slides by Dr. Sidra Arshad present an overview of the non-respiratory functions of the respiratory tract.
Learning objectives:
1. Enlist the non-respiratory functions of the respiratory tract
2. Briefly explain how these functions are carried out
3. Discuss the significance of dead space
4. Differentiate between minute ventilation and alveolar ventilation
5. Describe the cough and sneeze reflexes
Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
Title: Sense of Smell
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the primary categories of smells and the concept of odor blindness.
Explain the structure and location of the olfactory membrane and mucosa, including the types and roles of cells involved in olfaction.
Describe the pathway and mechanisms of olfactory signal transmission from the olfactory receptors to the brain.
Illustrate the biochemical cascade triggered by odorant binding to olfactory receptors, including the role of G-proteins and second messengers in generating an action potential.
Identify different types of olfactory disorders such as anosmia, hyposmia, hyperosmia, and dysosmia, including their potential causes.
Key Topics:
Olfactory Genes:
3% of the human genome accounts for olfactory genes.
400 genes for odorant receptors.
Olfactory Membrane:
Located in the superior part of the nasal cavity.
Medially: Folds downward along the superior septum.
Laterally: Folds over the superior turbinate and upper surface of the middle turbinate.
Total surface area: 5-10 square centimeters.
Olfactory Mucosa:
Olfactory Cells: Bipolar nerve cells derived from the CNS (100 million), with 4-25 olfactory cilia per cell.
Sustentacular Cells: Produce mucus and maintain ionic and molecular environment.
Basal Cells: Replace worn-out olfactory cells with an average lifespan of 1-2 months.
Bowman’s Gland: Secretes mucus.
Stimulation of Olfactory Cells:
Odorant dissolves in mucus and attaches to receptors on olfactory cilia.
Involves a cascade effect through G-proteins and second messengers, leading to depolarization and action potential generation in the olfactory nerve.
Quality of a Good Odorant:
Small (3-20 Carbon atoms), volatile, water-soluble, and lipid-soluble.
Facilitated by odorant-binding proteins in mucus.
Membrane Potential and Action Potential:
Resting membrane potential: -55mV.
Action potential frequency in the olfactory nerve increases with odorant strength.
Adaptation Towards the Sense of Smell:
Rapid adaptation within the first second, with further slow adaptation.
Psychological adaptation greater than receptor adaptation, involving feedback inhibition from the central nervous system.
Primary Sensations of Smell:
Camphoraceous, Musky, Floral, Pepperminty, Ethereal, Pungent, Putrid.
Odor Detection Threshold:
Examples: Hydrogen sulfide (0.0005 ppm), Methyl-mercaptan (0.002 ppm).
Some toxic substances are odorless at lethal concentrations.
Characteristics of Smell:
Odor blindness for single substances due to lack of appropriate receptor protein.
Behavioral and emotional influences of smell.
Transmission of Olfactory Signals:
From olfactory cells to glomeruli in the olfactory bulb, involving lateral inhibition.
Primitive, less old, and new olfactory systems with different path
Pulmonary Thromboembolism - etilogy, types, medical- Surgical and nursing man...VarunMahajani
Disruption of blood supply to lung alveoli due to blockage of one or more pulmonary blood vessels is called as Pulmonary thromboembolism. In this presentation we will discuss its causes, types and its management in depth.
263778731218 Abortion Clinic /Pills In Harare ,sisternakatoto
263778731218 Abortion Clinic /Pills In Harare ,ABORTION WOMEN’S CLINIC +27730423979 IN women clinic we believe that every woman should be able to make choices in her pregnancy. Our job is to provide compassionate care, safety,affordable and confidential services. That’s why we have won the trust from all generations of women all over the world. we use non surgical method(Abortion pills) to terminate…Dr.LISA +27730423979women Clinic is committed to providing the highest quality of obstetrical and gynecological care to women of all ages. Our dedicated staff aim to treat each patient and her health concerns with compassion and respect.Our dedicated group ABORTION WOMEN’S CLINIC +27730423979 IN women clinic we believe that every woman should be able to make choices in her pregnancy. Our job is to provide compassionate care, safety,affordable and confidential services. That’s why we have won the trust from all generations of women all over the world. we use non surgical method(Abortion pills) to terminate…Dr.LISA +27730423979women Clinic is committed to providing the highest quality of obstetrical and gynecological care to women of all ages. Our dedicated staff aim to treat each patient and her health concerns with compassion and respect.Our dedicated group of receptionists, nurses, and physicians have worked together as a teamof receptionists, nurses, and physicians have worked together as a team wwww.lisywomensclinic.co.za/
These lecture slides, by Dr Sidra Arshad, offer a quick overview of physiological basis of a normal electrocardiogram.
Learning objectives:
1. Define an electrocardiogram (ECG) and electrocardiography
2. Describe how dipoles generated by the heart produce the waveforms of the ECG
3. Describe the components of a normal electrocardiogram of a typical bipolar leads (limb II)
4. Differentiate between intervals and segments
5. Enlist some common indications for obtaining an ECG
Study Resources:
1. Chapter 11, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 9, Human Physiology - From Cells to Systems, Lauralee Sherwood, 9th edition
3. Chapter 29, Ganong’s Review of Medical Physiology, 26th edition
4. Electrocardiogram, StatPearls - https://www.ncbi.nlm.nih.gov/books/NBK549803/
5. ECG in Medical Practice by ABM Abdullah, 4th edition
6. ECG Basics, http://www.nataliescasebook.com/tag/e-c-g-basics
HOT NEW PRODUCT! BIG SALES FAST SHIPPING NOW FROM CHINA!! EU KU DB BK substit...GL Anaacs
Contact us if you are interested:
Email / Skype : kefaya1771@gmail.com
Threema: PXHY5PDH
New BATCH Ku !!! MUCH IN DEMAND FAST SALE EVERY BATCH HAPPY GOOD EFFECT BIG BATCH !
Contact me on Threema or skype to start big business!!
Hot-sale products:
NEW HOT EUTYLONE WHITE CRYSTAL!!
5cl-adba precursor (semi finished )
5cl-adba raw materials
ADBB precursor (semi finished )
ADBB raw materials
APVP powder
5fadb/4f-adb
Jwh018 / Jwh210
Eutylone crystal
Protonitazene (hydrochloride) CAS: 119276-01-6
Flubrotizolam CAS: 57801-95-3
Metonitazene CAS: 14680-51-4
Payment terms: Western Union,MoneyGram,Bitcoin or USDT.
Deliver Time: Usually 7-15days
Shipping method: FedEx, TNT, DHL,UPS etc.Our deliveries are 100% safe, fast, reliable and discreet.
Samples will be sent for your evaluation!If you are interested in, please contact me, let's talk details.
We specializes in exporting high quality Research chemical, medical intermediate, Pharmaceutical chemicals and so on. Products are exported to USA, Canada, France, Korea, Japan,Russia, Southeast Asia and other countries.
Report Back from SGO 2024: What’s the Latest in Cervical Cancer?bkling
Are you curious about what’s new in cervical cancer research or unsure what the findings mean? Join Dr. Emily Ko, a gynecologic oncologist at Penn Medicine, to learn about the latest updates from the Society of Gynecologic Oncology (SGO) 2024 Annual Meeting on Women’s Cancer. Dr. Ko will discuss what the research presented at the conference means for you and answer your questions about the new developments.
NVBDCP.pptx Nation vector borne disease control programSapna Thakur
NVBDCP was launched in 2003-2004 . Vector-Borne Disease: Disease that results from an infection transmitted to humans and other animals by blood-feeding arthropods, such as mosquitoes, ticks, and fleas. Examples of vector-borne diseases include Dengue fever, West Nile Virus, Lyme disease, and malaria.
Prix Galien International 2024 Forum ProgramLevi Shapiro
June 20, 2024, Prix Galien International and Jerusalem Ethics Forum in ROME. Detailed agenda including panels:
- ADVANCES IN CARDIOLOGY: A NEW PARADIGM IS COMING
- WOMEN’S HEALTH: FERTILITY PRESERVATION
- WHAT’S NEW IN THE TREATMENT OF INFECTIOUS,
ONCOLOGICAL AND INFLAMMATORY SKIN DISEASES?
- ARTIFICIAL INTELLIGENCE AND ETHICS
- GENE THERAPY
- BEYOND BORDERS: GLOBAL INITIATIVES FOR DEMOCRATIZING LIFE SCIENCE TECHNOLOGIES AND PROMOTING ACCESS TO HEALTHCARE
- ETHICAL CHALLENGES IN LIFE SCIENCES
- Prix Galien International Awards Ceremony
Ozempic: Preoperative Management of Patients on GLP-1 Receptor Agonists Saeid Safari
Preoperative Management of Patients on GLP-1 Receptor Agonists like Ozempic and Semiglutide
ASA GUIDELINE
NYSORA Guideline
2 Case Reports of Gastric Ultrasound
Ozempic: Preoperative Management of Patients on GLP-1 Receptor Agonists
Endoscopic and laparoscopic surgery
1. ENDOSCOPIC & LAPAROSCOPIC
SURGERY
Dr.Anil Haripriya
In the nearly 150 years since the urinary bladder was
first inspected telescopically, technical progress &
therapeutic alternatives have been limited until the last
two decades. Intervention using endoscopy included
only a slightly more extended view of existing spaces,
but alternatives in therapy were not a reality. With the
advent of Video-endoscope allowing co-operative &
assisted procedures, high energy light sources & high-
flow insufflation of distending gases, the stage was set
to provide alternative access for complex abdominal
surgical procedures. Thereafter followed an enthusiastic
explosion of “new” endoscopic procedures, the limit of
which was now only the imagination.
Perhaps the best legacy of minimal-access surgery not
to imply that an epitaph is being written - is an
alternative way of thinking. Surgery at the beginning of
century maintained that “more is better”. Whether in
radical mastectomies or regional colectomies, the more
resected the better the cure. We have seen the
upheaval of this paradigm in the later part of this
2. century, for which minimal access surgery can be
considered the logical extension. With the movement
toward “less is more”, the door is open to an
alternative school of surgery.
DEFINITIONS
ENDOSCOPY : examining the in-accessible body
cavities with the use of instruments through natural
orifices.
LAPAROSCOPY : viewing the internal organs, using
some form of a telescope, through ports made surgically
& not through the already existing body orifices.
“A revolution is evolution in leaps”
Evolution: can be classified as
I. Evolution of Laparoscopy.
II. Evolution of Instrumentation
(a) Endovision
(b) Insufflation
(c) Instruments
III Evolution of Operative (Therapeutic) Laparoscopy
3. I. EVOLUTION OF LAPAROSCOPY (in chronological
order):
1805: Philipp Bozzini, Germany , visualised the urethral
orifice with candle light & a simple tube called
“lichtleiter”. The “ lichtleiter” was presented to the
Faculty of Medicine in Vienna in 1805 for viewing
the human urethra. Unfortunately, the intended use
of the instrument was considered an unnatural act &
Bozzini was censured by this scientific body despite
no evidence that this device was ever used on
humans.
1843: Desormeaux coined the term “Endoscopy”. He
developed first urethroscope & Cystoscope using
mirrors to reflect light from a kerosene lamp. He
was awarded for the achievement.
1874: Stein, Germany developed photoendoscope.
1874: Nitze, Germany added lens system to the tube
allowing magnification of the area viewed. Nitze,
compelled by the concept of an internal light source,
stated “in order to light up a room, one must carry a
lamp into it”. He made a cystoscope with electrically
heated platinum wire light source placed behind a
quartz shield.
1880: Thomas Edison, USA invented incandescent bulb.
1883: Newman, Scotland, developed cystoscope using
4. a small incandescent light bulb at distal end.
1901: Ott, Russian gynaecologist introduced
“ventroscopy” for the inspection of abdominal
cavity. He described the use of head mirror to
reflect light into the speculum introduced through a
small abdominal wall incision.
1901: George Kelling from Dresdon introduced Nitze
cytoscope into a living dog & used room air for
insufflation. He called it “Kolioskopie”
1910: Hans Christian Jacobaeus of Stockholm coined
the term “thoraco-laparoscopy”
· First published report of 72 cases.
· Identified syphilis, tuberculosis, cirrhosis &
malignancy.
· Used trocar & cannula.
1911: Bertram M. Berheim, USA coined the term
“Organoscopy”.
· Used proctoscope with illumination by electric
headlight.
1920: Orndoff, Intern from Chicago, USA used the term
“Peritoneoscopies”.
· Designed pyramidal trocar point.
5. · Invented valve for trocars to prevent gas leakage.
1927: Heinz Kalk, a German hepatologist “Father of
modern Laparoscopy” devised system of lenses
for better visualisation. Introduced dual trocar. He
used laparoscopy as a diagnostic method for liver &
Gall Bladder disease.
1928: Bovie introduced technique for diathermy
1933: C. Fervers reported adhesionolysis and peritoneal
biopsies. While using “Cold Caurtery” - electro-
surgery & insufflating the abdomen with oxygen,
Fervers described an explosion inside the
peritoneal cavity with multiple audible “Detonations”
and “Flames” visible through the abdominal wall.
Thereafter, patient recovered but Fervers wisely
argued against the use of oxygen.
1937: John C. Ruddock, USA Intern-physician
· Reported 500 laparoscopies involving 39
biopsies.
· Published in Surgical Journal, even then,
general surgeons did not embrace laparoscopy.
Around this time enthusiasm was so great for this
new procedure that Short, an English surgeon,
advocated performing laparoscopy in the patients’
home adding interests to it domicilliary visit.
6. 1980: Patric Steptoe from England started to
perform Laparoscopic procedures in the operating
room under sterile conditions.
1982: First solid state camera was introduced.
1994: A robotic arm was designed to hold the
laparoscopic camera & instruments with the goal of
improving safety, reducing resource utilization &
improving efficiency & versatility of surgeon.
1996: First live broadcast of laparoscopic surgery
via the internet.
II. EVOLUTION OF ENDOVISION
Breakthrough Points:
1870s: Invention of Incandescent Light by Thomas
Elva Edison.
Development of Lens systems for scopes
1960s: Invention of Rod Lens System by Hopkins
and development of fiber optic cold light
transmission
1980s: Introduction of Computer Chip, Video
Camera in 1985 by Circon Corporation
(a) Endoscope
7. (b) Fiberoptic Cable
(c) Light Source
(a) Endoscope:
1879: Nitze developed the first scope using 3
lenses and air filled scope
Glass lenses relayed light more effectively than the
mirrors employed by Bozzini & Desormeaux. The
cystoscope remained same till further improvement
in Optics.
1950s: Fouresteir, Gladis, Valmiere of Optical
Institute developed “Quartz Rod” for Light
transportation and magnification.
HAROLD H. HOPKINS:
British physicist developed Rod Lens Systems and
fiberoptics. Hopkins re-designed the Internal
systems of the Nitze Air filled Endoscope,
8. producing a solid glass-rod scope with internal air
spaces as lens interface. He, thereby, reverted the
normal setup by using glass, instead of air, to
conduct the image and air instead of glass to focus
the image. The higher refractive index of glass and
large apertures produced an image that was 80
times brighter than that produced by the classic
Nitze scope. Hopkin’s inventions effectively took
care of the problems of very poor transmission and
very poor image & color quality.
KARL STORZ of Germany picked up the Hopkins
innovations and developed the modern scope.
1957: Hopkins, Herschowatz et al developed Fiberoptic
bundle.
1963: “Cold Light System” to eliminate the risk of
thermal injury to bowel and other abdominal organs
caused by incandescent lighting.
Light Sources developed
9. · Halogen
· Metal Halide
· Xenon
III. Circon corporation developed solid state camera
with a silicon chip which picked up the image from
the laparoscope and transmitted it electronically
through a cable to a video processor which then
projected the image on television screen. With this
visual “Opening” of the closed abdominal cavity to
the entire surgical teams, more complex
procedures could be undertaken with a aid of
guided assistance.
III. EVOLUTION OF INSUFFLATION:
Although Kelling and others reported creation of a
new pneumoperitoneum using a needle and filtered
air, many laparoscopists introduced their trocars and
laparoscopes (usually modified Cystoscopes)
directly into the peritoneal cavity to avoid injury from
the insufflation & the possible side effects associated
with a pneumoperitoneum.
Evolution of components of insufflation:
§ NEEDLE
10. § GAS
§ INSUFFLATOR
§ “OPEN LAPAROSCOPY”
§ GASLESS
1918: Otto Goetze of Germany was first to
introduce needle for pneumoperitoneum.
1930: Janus Veress of Hungary developed “spring
loaded” needle for creation of pneumothoracis in
the treatment of tuberculosis. It is now being the
most frequently used device for creating
pneumoperitoneum.
It remains almost unchanged to the present day.
1924: Zollikofer,Switzerland, used carbondioxide
for insufflation instead of standard filtered air.
1971: H.M.Hasson, gynaecologist introduced “open
laparoscopy” or “Hasson`s technique”. Although
the Veress’s needle was quite safe, still the injury
to intra-abdominal organs was a great concern.
Hasson introduced blunt trocar & the canula fitted
with cone shaped sleeve that was movable along
the shaft of the canula, to which stitches
takenthrough the fascia could be tied, thus
preventing leak of gases & slippage of canula.
11. III. INSUFFLATOR:
upto 1960: Primitive affair using hand held bulb or foot
bellows.
1960: Kurt Semm from Germany developed automatic
insufflator
developed modern dissectors & coagulation
instruments.
Achievements of Kurt Semm
1935 : Monopolar coagulation
1960-66: Automatic insufflator
1968 : Hook Scissors
1971 : Bipolar coagulation
1976 : Endo loop applicator
(Roeder loop)
1979 : Endoligation techniques
: tissue morcellator
1982 : Myoma enucleator
1985 : Pelvitrainer
III EVOLUTION OF OPERATIVE LAPAROSCOPY
12. 1937: E. T. Anderson Laparoscopic tubal ligation
1972: Hulka Chips for Ligation
1977: Dekok reported Laparoscopic assisted
appendicectomy
1983: Semm First incidental
laparoscopic appendicectomy
1987: Schzeiber presented 70 laparoscopic
appendicectomies
1987: PHILLIP MOURET, Lyons, France performed first
laparoscopic cholecystectomy in human.
Within a year LAPAROSCOPIC EXPLOSION
occurred and many surgeons reported
laparoscopic cholecystectomy:
Dubois (Paris)
Perissat (Bordeaux)
Alfred Cuschieri (Scotland)
Mckernan and Saye (Georgia)
Reddick and Olsen (Nashville)
Petelin and Phillips: Laparoscopic CBD exploration
1990: Jocobs et al First laparascopically assisted
colectomy.
13. EVOLUTION OF DIFFERENT PROCEDURES:
LAPAROSCOPIC HERNIA REPAIR:
1982: Ger used prototype stapler
1990: Shultz and Corbitt stuffed mesh plugs into the
defects
Arreguin developed pre-peritoneal mesh repair
(TAPP)
Fitzgibbons laid intra-peritoneal onlay mesh
Philip and Dulucq developed totally extra peritoneal
mesh repair
LAPAROSCOPIC VAGOTOMY
1990: Katkhouda – anterior seromyotomy
Bailey and Zucker, USA – anterior highly selective
vagotomy combined with posterior truncal
vagotomy
1991: Bernard Dallemagne, Belgium performed highly
selective (anterior and posterior) performed first
laparoscopic Nissen fundoplication.
LAPAROSCOPIC UROLOGY
1976: Cortesi- laparoscopy for bilateral abdominal testis
in 18 yr old
14. 1979: Wicken- performed laparoscopic ureterolithotomy
by retro peritoneal approach
1985: Eshghi- laparoscopic guided percutaneous trans
peritoneal removal of staghorn calculi from a pelvic
kidney
1991: Clayman- Laparoscopic nephrectomy.
LAPAROSCOPIC SURGERY IN INDIA
1990: Prof. Tchemton E. Udwadia, Mumbai presented
the first laparoscopic cholecystectomy in 10th world
congress of digestive surgery at New Delhi.
FUTURE OF LAPAROSCOPY
3-D laparoscopy:
The surgeon’s ability to operate in a 3 – dimensional
field may increase the speed of surgery and decrease
the difficulty of the surgeons’ learning curve. At present,
the 3-D pictures lack the clarity of high definition, 2-
Dimensional video.