Surgical Instruments Design and Function Part 1 2024 TMW PDF

VS105 Handout #1 Unit #1- SURGICAL INSTRUMENTS: DESIGN AND FUNCTION Part 1 Objectives: 1. Identify the various parts of an instrument 2. Explain the 3 different serrations of instruments 3. Demonstrate the proper hold for various instruments The parts of an...

VS105 Handout #1 Unit #1- SURGICAL INSTRUMENTS: DESIGN AND FUNCTION Part 1 Objectives: 1. Identify the various parts of an instrument 2. Explain the 3 different serrations of instruments 3. Demonstrate the proper hold for various instruments The parts of an instrument: 1. __________: Some instruments have teeth on their ends, which help to __________ tissue and ensure a _________________________ 2. __________: The jaws refers to the part of the instrument which “open and close”. Usually used for cutting or crushing tissue 3. _______________: Some instruments have a ________________ which allows the instrument to be locked in a closed position. The box lock absorbs a lot of _____, and should be checked frequently 1 4. ______________: This is part of the box lock hinge mechanism consisting of interlocking teeth which locks the jaws in a closed position 5. ______________________: This is the body of the instrument and is usually the longest area. The shank determines the instrument’s overall length which may range from 3-12 inches in total length depending on the length of the shank. 6. _________________________: Finger holes for holding the instrument – most instruments are held with the thumb and ring finger in each hole. 2  7. __________________: The jaws of instruments used to crush or hold tissue will have serrations or lines grooved into the instruments jaws. These serrations may be: i. __________________ (vertical) – which means they run the length of the jaw ii. __________________ (horizontal)- they run across the jaws iii. ______________________ where the grooves form a checkerboard or cross hatched pattern Variations of Instruments: How to Properly Hold an Instrument: Depends on the instrument you are holding Hemostatic forcep vs Thumb forcep vs Scalpel handle 1. For hemostats and ____________ Finger rings: ___________and 3rd finger Middle finger supporting the________ of the instrument Pointer finger will guide the instrument Pinky finger for support 3 2. Thumb forceps: “___________” hold Held between the _______ and the first finger in the non-dominant hand Rests on the remaining fingers 3. Scalpel Handle Held between the thumb and middle finger Pointer finger used for guiding Non-dominant hand 4