The Central Sterile Supply Department (CSSD) processes reusable medical devices for hospitals by cleaning, disinfecting, packaging, and sterilizing items. The CSSD area is divided into four sections - a dirty area for decontamination, a clean area for packaging and preparation, a linen packaging area, and a sterile storage area. The centralized CSSD model ensures staff are trained specifically for processing devices, the department is properly equipped, and quality control is maintained, improving safety.

1. Prepared by
Mr. Khalid Farooq
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2. The Central Sterile Supply Department, CSSD,
also called Central Supply Services
Department, SPD, Sterile Processing
Department, is an integrated place in hospital
and other health care facilities that performs
initially cleaning, disinfection,
decontamination and sterilization on RIMD,
reusable invasive medical devices, equipment
and consumable, for subsequent use by
medical team in hospital like operation
theatre, wards, private room, cath labs,
endoscopy section, laboratories, labor room,
minor operation theatre.
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3. CSSD area can be a large room, divided into
four well defined areas, different room
separated by doors and counters.
1. DIRTY OR DECONTAMINATION ROOM, AREA
2. CLEAN, PACKAGING AND PREPARATION
ROOM, AREA
3. SURGICAL LINEN PACKAGING ROOM, AREA
4. STERILIZED STORAGE ROOM, AREA
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4.  Decontamination is the process of cleansing an
object or substance to remove contaminants
such as micro – organism, hazardous materials,
including blood, secretions, organic matters,
sputum, body fluids, radioactive substances, and
infectious diseases.
 Reception of the soiled instruments, equipment,
and other reusable invasive medical devices from
the consumer departments for initially cleaning,
disinfection by several methods.
 The purpose of decontamination is to prevent
the spread of micro – organism and other
contaminants from RIMD.
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5.  PHYSICAL CLEANING
 PHYSICAL DISINFECTION
 ULTRA SONIC CLEANING
 DISINFECTOR WASHER
 STERLIZATION
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6. 1. Transfer of all pre-disinfected
and cleaned reusable invasive
medical devices RIMD, items
from decontaminated room,
area for reassembling in a
standard way, making sure
that the instruments and
ancillary equipment are in
good condition.
2. This step applies to any
instrument going back into a
set. Instruments should be
reassembled as soon as
possible after drying the
instruments, to avoid
recontamination by the air, in
clean, packaging room, area.
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7. 1. All pre-disinfected
RIMD, items to be
sterilized must be
cleaned,
immediately after
pre-disinfection, in
the clean,
preparation room,
area of the CSSD.
2. Initially inspection of
instruments and
RIMD.
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8. 5. Lubrication of instruments
and equipment.
6. Reassembling of instruments
according to check list.
7. Put TST in every set according
to sterilization process.
8. Pack the set with sterilization
crepe paper.
9. Put the sterilization tape on
set.
10. Write set name, load number,
Julian date, sterilizer number.
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9.  Received all cleaned surgical
linen, gowns, drapes, wrapping
sheets, hole drapes, from laundry
to CSSD, linen packaging room,
area for packaging according to
the pack content.
 Linen packaging room, area
should be separate from other
areas, as this release a lot of
particles into the air.
 Packaging must be permeable to
steam, water repellent, and
resistant to tears. The packaging
technique should allow the pack
to be opened aseptically at the
time of use.
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10.  The sterile storage room, area
is the next sterilization room,
area.
 Which receives sterile packs
and sets from sterilizer. Stock
instrument set, reusable
invasive medical devices, and
consumables are stored for
safe keeping. “FIRST IN FIRST
OUT” (FIFO) is the principle to
follow in the removal and
replacement of sterile items in
sterile storage area.
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11. DECONTAMINATION
CLEAN,
PACKAGING,
PREPARATION
STERILIZATIONSTERILE
STORAGE
ISSUE TO
CONSUMERS
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12.  Central sterilization supply department is
responsible for the processing of all reusable
invasive medical devices for all the
departments/services of the hospital. This
centralizes the pre-disinfection, cleaning,
packing and sterilization of all items.
 The centralization of procedures implies that
the staff are specifically trained for the job,
the department is correctly equipped and
quality control is ensured.
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13.  Improvement in both the practice and
supervision of the entire sterilization process
as it is concentrated in the same location
and executed by a specific team which can “
professionalize” this activity.
 Relives ward staff from this activity, who can
be designated to another tasks.
 Avoids dispersal within the services, multiple
purchasing and wasting of material,
sterilization equipment and fuel.
 Facilitates the management of material and
sterilization equipment.
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14.  If sterilization is performed badly, material of
the whole hospital is affected.
 Risk of spreading infectious agents through the
transfer of soiled infected material from its
source (consumer department) to an external
services.
 Risk of losing or mixing of medical devices
between different services.
 Risk of decreased motivation amongst staff in
charge of sterilization, if assigned solely to this
activity. (routine)
 Risk that the remaining staff forget sterilization
procedures which can constitute a problem when
the sterilization staff are absent.
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