objectives identify basic instruments by type, function, and name. demonstrate proper care, handling...
DESCRIPTION
OVERVIEW Categories Parts of clamps Inspecting and testing Specialty instrument sets Handling and passing instruments Hand SignalsTRANSCRIPT
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OBJECTIVES
Identify basic instruments by type, function, and name.
Demonstrate proper care, handling techniques, and safety precautions of surgical instruments.
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OVERVIEW
CategoriesParts of clampsInspecting and testingSpecialty instrument setsHandling and passing instrumentsHand Signals
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Surgical Instruments
Stainless Steel – a combination of:– Carbon– Iron– Chromium– Alloys
Strong Resistant to corrosion High % of Carbon = Stronger
Metal
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Surgical Instruments
Instruments may have a special “finish”. Highly Polished
– Increases corrosion resistance– But may reflect surgical lights
Satin (Dull) Finish– Less reflective/reduces glare
Ebonized (Black Chromium) Finish– Non reflective– Used in Laser cases, Why????
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Classifications
Instruments are classified into different categories depending on their function:
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1.) Cutting/Dissecting
Instruments with sharp edges used for:– Incisions– Sharp Dissection– Excision of tissue
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Cutting/Dissecting
Examples:– Knives/Scalpels– Scissors– Osteotomes– Curettes– Ronguers– Saws/Drills– Dermatomes
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Cutting/Dissecting
Scalpels or Knives Variety of detachable
blades and Non disposable handles.
– #3, #4, #7 KH– #10, #11, #12, #15, #20
Attached with an instrument by a grooved locking mechanism.
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Cutting/Dissecting:
KH – means Knife Handle KB – means Knife Blade #3L, #4L, etc. – the “L” stands for LONG which
means Long Handle. Some blades may be angled to aid the surgeon in
reaching difficult areas. KBs are made of Carbon Steel, and are loaded and
removed with an instrument (such as a Needle Holder).
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Cutting/Dissecting
Other types of KH: – Miniature Blade Handle w/ Chuck – used for
procedures that require very small incisions such ash Eye Cases.
– Beaver Handle – specifically designed to hold small Beaver Blades.
#69 – the most commonly used size Beaver Blade. Chuck – device used to tighten the blade onto the handle.
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Cutting/Dissecting
Scissors– Sharp cutting edges
varying in lengths and construction.
May be used for sharp or blunt dissection, depending on use.
Specialized scissors are used on specific tissue.
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Cutting/Dissecting
Curved Mayo Scissors– Scissor of choice for heavy tissue.
Metzenbaum Scissors– Medium to fine tissue dissection.
Iris, Tenotomy, Potts-Smith Scissors– Delicate tissue.– Eye procedures
– All of the above should never be used to cut sutures!!!
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Cutting/Dissecting
Potts-Smith– Used for ducts, Veins, or
Arteries. Jorgenson Scissors
– Hysterectomies. Micro-Scissors
– Microsurgery Cushing
– Dural Incision
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Cutting/Dissecting
Metzenbaum Scissors (CRVD)– Preferred by Cardiovascular Surgeons
for cutting Polypropylene Sutures. Strabismus, Iris and Corneal
Scissors – Scissors used for Eye Procedures.
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Cutting/Dissecting
Suture Scissors– Scissors used to cut
sutures. Straight Mayos
– Commonly used. Straight Iris
– Used to cut fine sutures during eye or plastic surgery.
– THESE ARE THE ONLY ONES USED TO CUT SUTURES!!!
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2.) Grasping/Holding
Instruments designed to manipulate tissue to facilitate dissection, suturing, or stabilize fractures.
May or may not have ratchets.
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Grasping/Holding
Tissue Forceps– Look like tweezers– Toothed or Smooth
Examples:– Adson– DeBakey– Russian– Cushing Bayonet
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Grasping/Holding
Ratcheted Instruments Examples:
– Allis– Babcock– Kocher
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Grasping/Holding
Bone Holding Clamps– Stabilize Fractures
before pinning or plating.
Examples:– Lane– Lowman– Smaller clamps
resemble a Towel Clamp
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3.) Clamping/Occluding
Instruments designed to occlude or constrict tissue.
Interlocking ratchets. Examples:
– Vascular clamps– Hemostats
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4.) Retracting/Viewing
Instruments used to expose the operative site and allow visualization of structures
May be hand held or self-retaining.
Blunt or Sharp Deep or Superficial
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Viewing
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5.) Trocars/Cannulas
Instrument with a sharp point that fits into a hollow cannula.
Used to introduce endoscopic instruments or to drain fluid.
Disposable cannulas are more frequently used and they come in different sizes.
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6.) Probing
Malleable, Wire-like instruments used to explore fistulas or ducts.
Found in rectal or gallbladder instrument sets.
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7.) Dilating
Instruments used to gradually dilate an orifice or duct to allow introduction of larger instruments.
Tapered instruments found in numbered sets.
Examples:– Cervical– Urethral– Esophageal
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8.) Suturing
Instruments used to hold suture needles during suturing.
Needle Holders– Varies in size
depending on the needle size.
Jaws typically have tungsten carbide inserts to immobilize the needle.
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9.) Suctioning
Hollow instruments connected to suction tubing to provide better visualization or irrigation of the operative site.
Suction Tips– Frazier– Yankauer– Poole
Disposable Vs. Non-Disposable
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Suctioning…
Is the removal of blood & body fluids from the operative site for better visualization.
Utilizes a canister connected to a vacuum device.
Some disposable suctioning device have an attached active electrode that allows for simultaneous suctioning and coagulation.
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Micro Instruments
Small delicate instruments used in conjunction with an operating microscope.
Stainless Steel or Titanium
Spring loaded and designed to be held by thumb and forefinger.
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PARTS OF CLAMP
• Very end of jaws• Should approximate
tightly when closed• Exceptions:
• Vascular• Intestinal
TIPS
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PARTS OF CLAMP
• Working end of the instrument.
• Serrations• Horizontal• Vertical• Crossed designs• Can be all or part of the
jaw.
JAWS
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PARTS OF CLAMP
• Hinge part of instrument.
• Screw joint in Scissors• Controls the opposition
of the jaws.
Box Locks
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PARTS OF CLAMP
Area between box lock and finger ring.
Provides instrument with balance.
Has a lever action on jaws Length determines force
on jaws
Shank
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PARTS OF CLAMP
Interlocks to keep instrument locked shut when closed.
Should mesh together smoothly when closed.
Ratchets
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PARTS OF CLAMP
• For finger placement when using instrument.
FingerRings
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INSPECTING/TESTING
• General functioning ability.• Ensure instrument is free from:
• Rust, Corrosion, and pitting• No loose parts
• Clean and free of bioburden
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INSPECTING/TESTING
Inspection points:
Jaws - tips close tight?Box locks -move freely?
Shanks - straight?Ratchet - stay closed?Cutting edges - sharp?
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- Efficient instrument handling through the surgical procedure is the hallmark
of an efficient scrub.
INSPECTING/TESTING
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Instrument Sets
Standardized according to specialty/procedure.
Set names may vary from facility to facility.– Ex: Minor Set Vs. Basic
Instrument Set Count sheets ensure all
necessary instruments are present.
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Instrument Sets
Laparotomy OB/GYN
Ophthalmic Otorhinolaryngology
Plastic Genitourinary Orthopedics
Cardiac Thoracic
Peripheral Vascular Neurosurgical Endoscopes
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HANDLING INSTRUMENTS
Passing instrument– Know name and use– Appropriate instrument – Pass firmly in position of use– Handle individually– Avoid hand to hand transfer of sharps
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HANDLING INSTRUMENTS
Scalpel:– “Pencil grip”– Blade down, handle towards surgeon.– Secure.– No Hand Technique.
Neutral Zone
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HANDLING INSTRUMENTS
Forceps:– Place between thumb and finger. (Pencil grip)– Tips in working position
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HANDLING INSTRUMENTS
Clamps:– Ratchet closed– Place ring end firmly in surgeons palm using
wrist motion.– Position of function.
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HANDLING INSTRUMENTS
Retractors:– Closed Position (if indicated)– Pass over field in position of function.– Note Double Ended Retractors.
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HANDLING INSTRUMENTS
Needle Holders:– Closed Position– Needle loaded in proper position.
Right handedLeft handed
– Do not let the suture strand drop while passing.
– No Hand Technique.
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HANDLING INSTRUMENTS
Recognize hand signals:– Scalpel– Hemostat “tags”– Forceps ”pick ups”– Scissors– Suture– Free ties
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Review and Summary
CategoriesParts of clampsInspecting and testingSpecialty instrument setsHandling and passing instrumentsHand Signals