Otorhinolaryngology ( ENT ) Instruments for Final MBBS Part 1 Sauradeep Dey
This is a list of otorhinolatyngology ( ENT ) instruments and their uses, commonly asked as a part of Final MBBS Part 1 (3rd year) practical examination.
You can freely use this ppt. provided you give proper credits to the owner. Thanks.
Otorhinolaryngology ( ENT ) Instruments for Final MBBS Part 1 Sauradeep Dey
This is a list of otorhinolatyngology ( ENT ) instruments and their uses, commonly asked as a part of Final MBBS Part 1 (3rd year) practical examination.
You can freely use this ppt. provided you give proper credits to the owner. Thanks.
The insertion of a cannula or a tube into a hollow organ such as intestines or trachea, to maintain an opening or passageway is known as intubation.
The insertion of a long breathing tube or artificial airway (endotracheal tube - ETT) into the trachea (windpipe) via the mouth is called endotracheal intubation
One of the most dreaded nightmares of any clinician is broken instruments in the midst of an endodontic treatment. NiTi rotary instruments show a high incidence of instrument fracture despite their favourable qualities.
This pdf is about the Schizophrenia.
For more details visit on YouTube; @SELF-EXPLANATORY;
https://www.youtube.com/channel/UCAiarMZDNhe1A3Rnpr_WkzA/videos
Thanks...!
The increased availability of biomedical data, particularly in the public domain, offers the opportunity to better understand human health and to develop effective therapeutics for a wide range of unmet medical needs. However, data scientists remain stymied by the fact that data remain hard to find and to productively reuse because data and their metadata i) are wholly inaccessible, ii) are in non-standard or incompatible representations, iii) do not conform to community standards, and iv) have unclear or highly restricted terms and conditions that preclude legitimate reuse. These limitations require a rethink on data can be made machine and AI-ready - the key motivation behind the FAIR Guiding Principles. Concurrently, while recent efforts have explored the use of deep learning to fuse disparate data into predictive models for a wide range of biomedical applications, these models often fail even when the correct answer is already known, and fail to explain individual predictions in terms that data scientists can appreciate. These limitations suggest that new methods to produce practical artificial intelligence are still needed.
In this talk, I will discuss our work in (1) building an integrative knowledge infrastructure to prepare FAIR and "AI-ready" data and services along with (2) neurosymbolic AI methods to improve the quality of predictions and to generate plausible explanations. Attention is given to standards, platforms, and methods to wrangle knowledge into simple, but effective semantic and latent representations, and to make these available into standards-compliant and discoverable interfaces that can be used in model building, validation, and explanation. Our work, and those of others in the field, creates a baseline for building trustworthy and easy to deploy AI models in biomedicine.
Bio
Dr. Michel Dumontier is the Distinguished Professor of Data Science at Maastricht University, founder and executive director of the Institute of Data Science, and co-founder of the FAIR (Findable, Accessible, Interoperable and Reusable) data principles. His research explores socio-technological approaches for responsible discovery science, which includes collaborative multi-modal knowledge graphs, privacy-preserving distributed data mining, and AI methods for drug discovery and personalized medicine. His work is supported through the Dutch National Research Agenda, the Netherlands Organisation for Scientific Research, Horizon Europe, the European Open Science Cloud, the US National Institutes of Health, and a Marie-Curie Innovative Training Network. He is the editor-in-chief for the journal Data Science and is internationally recognized for his contributions in bioinformatics, biomedical informatics, and semantic technologies including ontologies and linked data.
(May 29th, 2024) Advancements in Intravital Microscopy- Insights for Preclini...Scintica Instrumentation
Intravital microscopy (IVM) is a powerful tool utilized to study cellular behavior over time and space in vivo. Much of our understanding of cell biology has been accomplished using various in vitro and ex vivo methods; however, these studies do not necessarily reflect the natural dynamics of biological processes. Unlike traditional cell culture or fixed tissue imaging, IVM allows for the ultra-fast high-resolution imaging of cellular processes over time and space and were studied in its natural environment. Real-time visualization of biological processes in the context of an intact organism helps maintain physiological relevance and provide insights into the progression of disease, response to treatments or developmental processes.
In this webinar we give an overview of advanced applications of the IVM system in preclinical research. IVIM technology is a provider of all-in-one intravital microscopy systems and solutions optimized for in vivo imaging of live animal models at sub-micron resolution. The system’s unique features and user-friendly software enables researchers to probe fast dynamic biological processes such as immune cell tracking, cell-cell interaction as well as vascularization and tumor metastasis with exceptional detail. This webinar will also give an overview of IVM being utilized in drug development, offering a view into the intricate interaction between drugs/nanoparticles and tissues in vivo and allows for the evaluation of therapeutic intervention in a variety of tissues and organs. This interdisciplinary collaboration continues to drive the advancements of novel therapeutic strategies.
Slide 1: Title Slide
Extrachromosomal Inheritance
Slide 2: Introduction to Extrachromosomal Inheritance
Definition: Extrachromosomal inheritance refers to the transmission of genetic material that is not found within the nucleus.
Key Components: Involves genes located in mitochondria, chloroplasts, and plasmids.
Slide 3: Mitochondrial Inheritance
Mitochondria: Organelles responsible for energy production.
Mitochondrial DNA (mtDNA): Circular DNA molecule found in mitochondria.
Inheritance Pattern: Maternally inherited, meaning it is passed from mothers to all their offspring.
Diseases: Examples include Leber’s hereditary optic neuropathy (LHON) and mitochondrial myopathy.
Slide 4: Chloroplast Inheritance
Chloroplasts: Organelles responsible for photosynthesis in plants.
Chloroplast DNA (cpDNA): Circular DNA molecule found in chloroplasts.
Inheritance Pattern: Often maternally inherited in most plants, but can vary in some species.
Examples: Variegation in plants, where leaf color patterns are determined by chloroplast DNA.
Slide 5: Plasmid Inheritance
Plasmids: Small, circular DNA molecules found in bacteria and some eukaryotes.
Features: Can carry antibiotic resistance genes and can be transferred between cells through processes like conjugation.
Significance: Important in biotechnology for gene cloning and genetic engineering.
Slide 6: Mechanisms of Extrachromosomal Inheritance
Non-Mendelian Patterns: Do not follow Mendel’s laws of inheritance.
Cytoplasmic Segregation: During cell division, organelles like mitochondria and chloroplasts are randomly distributed to daughter cells.
Heteroplasmy: Presence of more than one type of organellar genome within a cell, leading to variation in expression.
Slide 7: Examples of Extrachromosomal Inheritance
Four O’clock Plant (Mirabilis jalapa): Shows variegated leaves due to different cpDNA in leaf cells.
Petite Mutants in Yeast: Result from mutations in mitochondrial DNA affecting respiration.
Slide 8: Importance of Extrachromosomal Inheritance
Evolution: Provides insight into the evolution of eukaryotic cells.
Medicine: Understanding mitochondrial inheritance helps in diagnosing and treating mitochondrial diseases.
Agriculture: Chloroplast inheritance can be used in plant breeding and genetic modification.
Slide 9: Recent Research and Advances
Gene Editing: Techniques like CRISPR-Cas9 are being used to edit mitochondrial and chloroplast DNA.
Therapies: Development of mitochondrial replacement therapy (MRT) for preventing mitochondrial diseases.
Slide 10: Conclusion
Summary: Extrachromosomal inheritance involves the transmission of genetic material outside the nucleus and plays a crucial role in genetics, medicine, and biotechnology.
Future Directions: Continued research and technological advancements hold promise for new treatments and applications.
Slide 11: Questions and Discussion
Invite Audience: Open the floor for any questions or further discussion on the topic.
Richard's aventures in two entangled wonderlandsRichard Gill
Since the loophole-free Bell experiments of 2020 and the Nobel prizes in physics of 2022, critics of Bell's work have retreated to the fortress of super-determinism. Now, super-determinism is a derogatory word - it just means "determinism". Palmer, Hance and Hossenfelder argue that quantum mechanics and determinism are not incompatible, using a sophisticated mathematical construction based on a subtle thinning of allowed states and measurements in quantum mechanics, such that what is left appears to make Bell's argument fail, without altering the empirical predictions of quantum mechanics. I think however that it is a smoke screen, and the slogan "lost in math" comes to my mind. I will discuss some other recent disproofs of Bell's theorem using the language of causality based on causal graphs. Causal thinking is also central to law and justice. I will mention surprising connections to my work on serial killer nurse cases, in particular the Dutch case of Lucia de Berk and the current UK case of Lucy Letby.
Earliest Galaxies in the JADES Origins Field: Luminosity Function and Cosmic ...Sérgio Sacani
We characterize the earliest galaxy population in the JADES Origins Field (JOF), the deepest
imaging field observed with JWST. We make use of the ancillary Hubble optical images (5 filters
spanning 0.4−0.9µm) and novel JWST images with 14 filters spanning 0.8−5µm, including 7 mediumband filters, and reaching total exposure times of up to 46 hours per filter. We combine all our data
at > 2.3µm to construct an ultradeep image, reaching as deep as ≈ 31.4 AB mag in the stack and
30.3-31.0 AB mag (5σ, r = 0.1” circular aperture) in individual filters. We measure photometric
redshifts and use robust selection criteria to identify a sample of eight galaxy candidates at redshifts
z = 11.5 − 15. These objects show compact half-light radii of R1/2 ∼ 50 − 200pc, stellar masses of
M⋆ ∼ 107−108M⊙, and star-formation rates of SFR ∼ 0.1−1 M⊙ yr−1
. Our search finds no candidates
at 15 < z < 20, placing upper limits at these redshifts. We develop a forward modeling approach to
infer the properties of the evolving luminosity function without binning in redshift or luminosity that
marginalizes over the photometric redshift uncertainty of our candidate galaxies and incorporates the
impact of non-detections. We find a z = 12 luminosity function in good agreement with prior results,
and that the luminosity function normalization and UV luminosity density decline by a factor of ∼ 2.5
from z = 12 to z = 14. We discuss the possible implications of our results in the context of theoretical
models for evolution of the dark matter halo mass function.
Unveiling the Energy Potential of Marshmallow Deposits.pdf
Instruments in ent..aak
1. INSTRUMENTS IN ENT
Dr K Semmanaselvan
MS,DLO
Senior Assistant Professor
Dr Anusree A Karun
2nd yr DLO
UIORL ,Madras medical college
chennai
2.
3. BULLS EYE LAMP
• This consists of a metal box with vents within
which is kept a 100 W bulb.
• The light rays come out through a central opening
in the box.
• This opening has a biconvex lens of approximately
30 to 40 cm focal length.
• The lamp is placed 30 cm behind the left ear of the
patient. The lamp can be adjusted to focus the rays
on the head mirror.
4.
5. Higginson Syringe
• It has a bulb with red
rubber tubing on
either side.
• One end of the rubber
tubing ends in a valve
and the other ends in
a nozzle.
• The valve allows only
inflow of water into
the bulb.
• The valve end is kept in water and the nozzle end is connected to the
antral wash cannula. The capacity of the bulb is about 50 ml and the
syringe is made up of red rubber material.
Uses:
a. Antral wash
b. Nasal douching in atrophic rhinitis.
6.
7. • Types: a. Adult: outer diameter is 4 mm
b. Pediatric: outer diameter is 2.7 mm
• Range: 0, 30, 45, 70, 90 and 120 degrees. Each is 18 cm
long.
• Zero degree scope -most commonly used .It has a direct
forward looking orientation.
• The 30 degree scope - endoscope of choice for diagnostic
nasal endoscopy. It allows better visualisation of the
structures in the lateral wall of nose.
• The 70 and 90 degree scopes - to visualise, work in the
frontal recess and the maxillary antrum. They are also
useful to visualise the laryngeal and hypopharyngeal inlet
as an alternative to indirect laryngoscopy.
• The 120 degree scope is used to inspect the anterior wall
of the maxillary sinus through the antrostomy opening.
Color code for endoscopes:
• 1. 0 degree : Green
• 2. 30 degree: Red
• 3. 45 degree: Black
• 4. 70 degree: Yellow
RIGID ENDOSCOPES
8.
9. BARANY NOISE BOX
• This is a device used to produce the noise and
mask the non test ear during tuning fork test.
• Robert Barany (1876-1936) in 1906, invented
the chair for use during vestibular testing. In
1914, he received Nobel prize for clarification of
physiology and pathology of vestibular
apparatus.
13. Dr New Bourg –designed the first
aural speculum(1827)
Uses –
Diagnostic- examination of EAC and
TM
Therapeutic-aural toileting in CSOM
- Removal of wax and FB
-Ear surgeries
-Can be used as a dilator in EAC
stenosis
14.
15. Frenzel nystagmus
spectacles
• Used to detect the presence of nystagmus in a
patient.
• The labyrinthine nystagmus is suppressed with
visual fixation when worn by the patient.
• The power of this convex
lens is 20 diopters and it prevents the visual
fixation of the image.
• There is a battery pack and a bulb for illumination
and detection
of nystagmus
19. BONE ANCHORED HEARING AID
• This is advancement over the bone conduction
hearing aids and is an osseointegrated implant with
a titanium abutment fixed to the skull.
• Indications:
a. Absolute indication—bilateral canal atresia
b. Bilateral discharging ears
c. Congenital conductive impairment.
• Parts:
a. Screw
b. Abutment (Titanium)
c. Ear level sound processor.
20.
21. GOODIE T TUBE
• a long-term ventilation tube that is ‘T’ shaped.
• The horizontal limb of the ‘T’ has soft folded flanges
that allow introduction through a small incision on
the TM.
• The soft flanges open up once introduced inside the
middle ear.
• The flanges keep tube in position on the TM while
reducing chances of early extrusion.
• The soft flanges of the ventilation tube permit easy
removal at any time
22.
23. MONTGOMERY
SAFE-T- TUBE
• This is a molded laryngotracheal stent made up of
silicone.
• It is firm enough to support a damaged tracheal
wall and soft enough to prevent injury to soft
tissues. This stent may be used for tracheal
stenosis, malacia, laryngotracheal injury,
segmental resection and anastomosis of trachea
and also for subglottic stenosis.
• It is also used to maintain a cervical trachea that
cannot be repaired
24. Advantages:
a. Patient can phonate with the tube in situ.
b. The tube can be closed with a snugly fitting cap.
c. There is no need to remove the tube for cleaning frequently.
d. The material used is implant grade silicone that is either
radiolucent or radiopaque.
e. Crusting and drying up of secretions is very less when the cap of
the ‘T’ tube is closed compared to a tracheostomy tube.
Disadvantages:
a. Cannot prevent aspiration
b. As there is no cuff, positive pressure ventilation cannot be
administered.
25.
26. Mollison's self retaining
hemostatic mastoid retractor
Uses:
1. Harvesting temporalis fascia
2. mastoidectomy, tympanoplasty
3. In head and neck surgeries like tracheostomy and
laryngofssure.
27. Plester self-retaining mastoid
retractor 1 (3×3 prongs)
This is a mastoid retractor with 3×3
prongs of which one middle
prong on one side is slighty longer.
This longer prong is used to
retract the external canal skin
anteriorly for better visualization
of external canal and middle ear.
28. Plester mastoid retractor 2 (2×2
prongs)
This is a self-retaining
mastoid retractor with two
prongs on either arm. All
the prongs are identical.
Used in mastoidectomy
and tympanoplasty
29. Weitlaner (3×4 prongs) mastoid
retractor 1
This is a self-retaining
mastoid retractor with 3×4
prongs.
All prongs
are identical. Very much
required for any mastoid
surgery.
Also used
in head and neck surgeries
like tracheostomy and
thyroidectomy.
30. Weitlaner mastoid retractor 2
(2×3 prongs)
Self-retaining
mastoid retractor of
smaller size.
Hence,
it is suitable for
children.
31. Perkin self-retaining mastoid
retractor (1×3 prongs)
This is a self-retaining mastoid
retractor that has three prongs
of equal sizes on one blade and
a single flat broad prong on the
other blade.
The flat prong is used to retract
the canal skin during
mastoid and middle ear
surgeries.
34. LEMPERT ENDAURAL SELF RETAINING MASTOID
RETRACTOR WITH THIRD BLADE
• Self-retaining mastoid retractor used mainly in
the endaural ear surgeries.
• It has an adjustable third blade that can retract
the soft tissues entering
the surgical field in a perpendicular direction.
35.
36. Larkin hand perforator burr
• This is used to widen the fenestra made by a hand
perforator before inserting the stapes piston during
stapedotomy.
37.
38. Zollner micro
ear instrument
set
These are thumb held set of microear instruments and the set
consists of the following:
a. Myringotome
b. Curved pick
c. Microelevator
d. Right angled pick
e. Right angled hook
f. Straight pick
g. Sickle knife.
39.
40. TORP
• Indicated in ossicular
destruction/disruption
due to cholesteatoma,
COM,congenital
malformation
• TORP-
tympanum/malleus to
stapes footplate
assembly
• PORP-
tympanum/malleus to
stapes assembly
41.
42. SPANDREL
PROSTHESIS
• Derived from TORP
• SPANDREL I-Diameter reduced
to 0.6 mm and head of
prosthesis shaped into an L-
form
• Stainless steel introduced into
shaft to increase stability
• A shoe attached to stem for
better holding of prosthesis over
stapes footplate
• SPANDRELII- modifed spandrel
I ,it has a head with shaft and
shoe,metal platform moved to
ccentre of the head,wire core is
0.12 mm in diameter and
thickness of head reduced to
0.1mm
44. Tracheostomy set
1.Halsted mosquito artery forceps
2. Hemostatic artery forceps
3. Down cricoid double hook
4. Isthmus single hook
5. Trousseau tracheal dilator/ Laborde tracheal dilator
6. Fuller/Jackson/Portex tracheostomy tube
7. Allis forceps
8. N o: 11 blade for tracheal incision
9. Metzenbaum dissecting scissors
10. Short fine gently curved scissors
11. Langenbeck retractors
12. N eedle holder
13. Adson toothed forceps
14. Suction tip
15. Non-toothed forceps
45.
46. MICRODEBRIDER
• Console consists of the power unit and the switch.
The power unit harbors the facility to select the
mode of the function required— microdebrider or
micromotor.
• It can also adjust the speed of the blade, the amount
of irrigation and oscillation. The footswitch is used
for controlling blade direction and speed.
• Oscillation speed can go upto 30,000 rpm and
rotation speed can go upto 70,000 rpm. It can be
used in the rotatory or oscillatory modes.
47. • The handpiece consists of
the rotating blade, irrigation
channel and suction channel
• The blade is available as
straight or curved tips.
52. STAMMBERGER MUSHROOM PUNCH
• This instrument has a blunt head at the tip
resembling a mushroom with a circular cutting
mechanism.
• The blunt tip avoids mucosal injuries as the forceps
is introduced inside. The tip is available in different
angles.
• Uses:
a. The straight forceps is used to remove the anterior
wall of sphenoid sinus for sphenoidotomy and
removal of ethmoidal septae.
b. The upward turned forceps is used for frontal
recess surgery
53.
54. Nettleship punctal dilator
Bowmann punctal dilator
• Dilator is first advanced vertically for
2 mm then horizontal
with twisting motion
• Simultaneous traction applied to
eyelid
55. • Bowman lacrimal probe (Fig. 2.66)
• This probe is used to trace the path of the
canaliculus through
• the punctum upto the lacrimal sac
56.
57. MEROCEL
• Merocel PVA is a highly advanced
biocompatible synthetic material.
• It's produced by a chemical
reaction resulting in cross-linked
polyvinyl alcohol with a
completely open cell structure.
• The final PVA sponge material
has 100% open pores in its
structure with no "dead-end
pockets" to hold residues
• This structure, along with the
sponge's unique reticulated form,
makes it both absorbent and
hydrophilic. The Merocel material
is exceptionally strong and
durable, yet soft and comfortable
when hydrated.
61. Microlaryngeal surgery set
1.Kleinsasser suspension laryngoscope
2. Distending operating laryngoscope
3. Microlaryngeal instrument tips with handle
4. Laryngeal straight, upturned, sideturned forceps
5. Laryngeal straight scissors
6. Riecker chest piece and jack
7. Lindholm vocal cord and false cord retractor
8. Rigid fiberoptic light carrier
9. Portable light source
10. Flexible fiberoptic light cable
11. Objective lens 400 mm for microscope
12. Laryngeal suction tip
13. Teeth protector
14. Coagulating electrode for thermal cautery
15. Laryngeal needle
16. Bruning syringe
62.
63. RHINOPLASTY MEASURING
CALIPER
It is used to measure various
parameters of the nose during
rhinoplasty. Also used to measure the
thickness of cartilage
harvest before grafting in
augmentation rhinoplasty. It has a
range of 0 to 15 mm. It can also be
used in thyroplasty surgeries.
64.
65. YORKE HEMOSTATIC
TONSILLAR CLAMP
• It has a circular platform on one blade and a
concave rod on the other.
• The former is used to press the tonsillar fossa
covered with a gauze piece while the latter
fits on the neck outside. It is used mainly in
reactionary and secondary hemorrhage for
about15 to 20 minutes.
66.
67. Yankauer nasopharyngoscope
• This is an instrument used to examine the
nasopharynx with the patient in the supine
position and the head extended.
• The instrument is inserted under the soft palate
and can be used to examine the nasopharynx as
well as to take biopsies from the region.
68.
69. Heister mouth gag
• This is a self-retaining mouth gag with two
prongs that have grooves and ridges to anchor
on the teeth.
• It can be used in the treatment of trismus.
74. GUM ELASTIC BOUGIE
• This bougie is made
up of gum elastic and
is available in various
sizes.
USES
• dilatation of
esophageal strictures
and stenosis.
A
78. Kleinsausser suspension laryngosope
• The proximal aperture is wider than the distal end that is narrower.
• The posterior surface of this scope is flat and this provides good stability
to the instrument.
• Microlaryngoscopy is done with the help of a microscope that has a 400
mm lens at its objective.
• Uses:
• a. Microlaryngeal surgical procedures like excision of mass,
• cordectomy, stripping, etc.
• b. Biopsy from the vocal cords.
• This resembles a direct
laryngoscope except that the
horizontal
portion of the handle is
replaced by a curved hook.
• The chest piece is attached to
the vertical portion of the
handle and this makes the
instrument self-retaining
79.
80. MONTGOMERY STENT
• This is a molded silicone prosthesis designed to conform to
the normal endolaryngeal surface. This is used as a support
for endolaryngeal mucosa and cartilage framework.
• The stent includes two silicone suture buttons to support
the stent externally.
• Usuallythese laryngeal stents are kept for less than 6 weeks.
• Many types of laryngeal stent are available. Firm stents are
used if splinting is required, solid stent is used if aspiration
is a problem and a soft hollow stent is used if phonation is
required.
• Uses:
▫ For separation of mucosal surfaces during healing following
laryngeal trauma
▫ Repair of web formation or atresia
▫ Excision of laryngeal lesion.
81.
82. Intraopertaive recurrent nerve
monitoring –NIM EMG TUBE
• Intraoperative functional assessment and real
time identification of RLN
• PVC Tube with smooth conductive silver ink
electrodes and a cross band to guide placement.
83.
84. SKEETER
• The Microdrill (skeeter) has low noise
intensity, low torque, the duration of a
few seconds, and it seems to be a safe
tool in the perforation of the footplate of
the stapes, cochlear implant surgeries
(round window niche drilling)
85.
86. DISTENDING LARYNGOSCOPE
• In this instrument, the posterior blade can be
expanded using a screw.
• It has a black finish and is laser compatible.
90. OTOVENT
• Attach the balloon and the
plastic device with a round end
with a hole for nose and flat end
for balloon
• Blow air into the balloon
through ,pinch the neck of the
balloon
• Take sip of water keep in mouth
• Keep the rounded end over one
nostril ,pinch the other nostril
• Leave the neck of balloon and let
air pass through nose into
nasopharynx while swallowing
• This pushes air into ET and thus
into ME as soft palate is raised
and closes nasal cavity while
swallowing
91.
92. BRUNING SYRINGE
• This syringe is used to inject teflon paste or
liquefied fat for the medialization or
lateralization of vocal cord. This is used along
with the laryngeal needle.
96. OHM ATOMISER
• Parts:
• 1. Rubber bulb
• 2. Rubber tube
• 3. Glass bottle containing local anesthetic
• 4. Spray shaft
• Uses:
• a. To spray local anesthetic like 4% lignocaine on the
posterior
• pharyngeal wall before examination.
• b. To spray local anesthetic in the nose before diagnostic
• nasal endoscopy.
97.
98. BLADES
No 15 blade
• This blade is used to cut soft tissues and
obtain dissection planes in head and
neck surgeries. Also used to make
incisions for septal surgeries.
No 12 blade
• Used to make an incision on the anterior
pillar during tonsillectomy.
No 11 blade
• Uses:
• a. To make stab incision on an abscess
• b. To make an incision on trachea during
tracheostomy
• c. To make an initial cut on concha
bullosa
• d. May be used to make an incision on
the lacrimal sac in
• endoscopic dacryocystorhinostomy.
99.
100. Endonasal disposable doppler
probe
• Intraoperative carotid doppler -Useful in
sphenoid surgeries , especially in aberrant
course of carotid artery
101.
102. TOWEL CLIPS
• This is a self-retaining instrument that is used to
hold drapes in place. It can also hold suction
tubes, wires and cables to the towel.
103.
104. This instrument has an antegrade and retrograde cutting edge.
It is used to enlarge the antrostomy opening created by antral
harpoon.
Widening the opening posteriorly is to be avoided to
prevent bleeding from sphenopalatine artery and its branches.
105.
106. DA VINCI ROBOT
• Da vinci surgical system is
a robotic surgical system made
by the american
company intuitive surgical.
Approved by the food and drug
administration (FDA) in 2000.
• It is designed to facilitate
complex surgery using
a minimally invasive approach
109. The system uses x, y, z coordinates to stereotactically
localize any point in 3D space. (CARTESIAN
COORDINATES)
The arc employs the center-of-arc principle for
encompassing the surgical target in three dimensions,
enabling full access to any intracranial area.
Deliver single dose of radiation from 201-cobalt 60 to
target tissues
110.
111. CANINE FOSSA PUNCTURE TROCAR AND
CANNULA
• In severly diseased maxillary sinus ,antrum is
opened via canine fossa using a puncture.
112.
113. LARYNGEAL LINDOLHM
RETRACTORS
This is an atraumatic self-
retaining retractor with ratchet.
The distal end has blunt curved
blades for retraction of the true
cords or the false cords.
Hence, the subglottic region and
trachea can be visualized during
microlaryngeal surgery.
114.
115. Contrangle handpiece
This is a micromotor
handpiece that is bent
at an acute angle to
facilitate unobstructed
drilling of the middle
ear and mastoid.
It is held and used in
the same way as a
straight handpiece.
116.
117. HOUSE GRAFT PRESS
• To press and shape harvested cartilage, vein
graft or fascia
before using for ossiculoplasty or stapedectomy
118.
119. HOUSE DEITER MALLEUS HEAD NIPPER
• To excise the head of malleus and parts of incus
during clearance of middle ear disease and
atticotomy
123. DERLECKI OSSICLE HOLDING
FORECEPS
• This instrument is used to hold and stabilize
cartilage or ossicle
for further sculpting before using for
ossiculoplasty.
• It resembles a tissue forceps but the tip is
grooved to hold the ossicle and the blades are
tightened using a screw.
124.
125. GLEGG AURAL SNARE
Small snare that is used to remove aural polyp.
The snare wire is not in line with the handle of the
instrument but is
parallel to it; hence differs from Krause snare.
This snare excises the
polyp by crushing the pedicle with a blunt wire,
thereby reducing
the bleeding.
126.
127. • This is a knife that can rotate 360 degrees within
its two prongs.
• Hence, it can be positioned without rotating the
instrument and the direction can be changed.
• This instrument is used submucous resection of
septum and also to harvest cartilage for
rhinoplasty and tympanoplasty.
131. CROS –contralateral rerouting of sound
• In this type of hearing aid, the
microphone is fitted on the side of
the deaf ear and the sound picked
up from there is transmitted
to the receiver placed in the better
ear
137. Blue filter light
• When diluted to concentrations between 0.1% and 0.0000001% and exposed
to white light, fluorescein emits a yellow-green glow.
• This is due to fluorescein molecules undergoing excitation by the blue portion
of white light at 460 to 490 nm and temporarily entering a higher energy
state.
• As the fluorescein molecules return to their unexcited state, the absorbed
energy is released, creating a yellow- green light of 520 to 530 nm.
• This effect is intensified with a pure blue light source. Placing a blue filter
in front of an ENT light source results in the transmission of light solely in the
blue portion of the spectrum, as all other wavelengths are blocked by the filter.
• The use of a blue filter aids in the identification of very small quantities of
fluorescein.
• This can be of assistance in identifying minor leak sites and in confirming the
integrity of a repair at the conclusion of a procedure.
140. HEUWIESIER ANTRUM
GRASPING FORECEPS
• Available as upward and downward grasping
forceps.
Uses:
a. It is used for removal of tissue from maxillary
sinus
b. Endonasal removal of cysts and polyps
c. Removal of foreign bodies from hypopharynx
d. Removal of ethmoidal air cells.
148. balloon sinuplasty
• Balloon Sinuplasty (BSP) uses a
small, flexible, balloon catheter to
open up blocked sinus
passageways and facilitate
drainage of the mucus that builds
up in patients suffering
from chronic sinusitis.
149.
150.
151. TISSEEL –fibrin sealant
• TISSEEL Kit is a biological two-component sealant.
• Upon mixing Sealer Protein (Human) and Thrombin
(Human), it quickly sets to form a white, elastic mass
which firmly adheres to the tissue i.e., wound surface
and achieves hemostasis and sealing or gluing of
tissues1 , to support wound healing
• Fibrinogen is converted to fibrin strands that join into
net-like matrices
• In the course of wound healing the solidified fibrin
sealant is completely absorbed
• This process simulates the key features of the
physiological coagulation process
152.
153. Optical forceps for rigid bronchoscopy
• With camera fixed to the scope that provides
better visualisation
154.
155.
156.
157. COBLATOR WANDS
• Controlled ablation-non
heat driven process of soft
tissue dissolution using
bipolar radiofrequency
energy
• Energy is made to flow
through a cnductive
medium
158.
159. ENDOSCOPE HOLDER
• Allows surgeons both hands to be
free
• Allows alternate use of microscope whenever
needed