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Prac. Surgery > Lec.2 Surgical instruments > Flashcards

Lec.2 Surgical instruments Flashcards

1
Q

What are surgical instruments?; Surgical instruments are defined as hand-held tools or implements used by health professionals for the performance of surgical tasks.

A
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2
Q

What material are general surgical instruments typically made from?; Stainless steel

A

which has excellent strength and is resistant to corrosion.

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3
Q

What is the primary purpose of general surgical instruments?; To secure surgical drapes

A

cut

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4
Q

What are some examples of general surgical instruments used in all surgeries?; Thumb forceps

A

tissue forceps

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5
Q

Why should each type of surgical instrument be used only for its specific purpose?; Each type of surgical instrument is designed for a particular use to ensure safety and effectiveness during surgery.

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6
Q

What is the primary function of a scalpel in surgery?; The scalpel is the best instrument for incising tissues with minimal trauma.

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7
Q

What are the uses of a scalpel in surgical procedures?; The scalpel can be used for incising

A

puncturing

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8
Q

What is the role of scalpel handles in surgical procedures?; Scalpel handles hold the scalpel blade to allow the surgeon to make a skin incision or other types of incisions in a safer manner.

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9
Q

Are scalpel blades disposable

A

and how do they relate to scalpel handles?; A variety of disposable blades are designed to fit several different scalpel handles.

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10
Q

Which surgical blade numbers fit the Bard-Parker no. 3 scalpel handle?; Surgical blade numbers 10

A

11

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11
Q

What surgical blade numbers are compatible with the Bard-Parker no. 4 scalpel handle?; Surgical blade numbers 20 to 22 fit the Bard-Parker no. 4 scalpel handle.

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12
Q

What is the primary use of the Bard-Parker no. 3 handle in surgery?; The Bard-Parker no. 3 handle is most useful for small animal surgery and uses detachable blade numbers 10

A

11

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13
Q

What safety precaution should be taken when loading or removing blades from a scalpel handle?; Always work with the scalpel facing away from you and hold the blade with a needle holder to prevent injury to your hands.

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14
Q

What is the purpose of using a needle holder in the process of attaching and removing disposable scalpel blades?; A needle holder is used to securely grip the scalpel blade

A

allowing for safe and precise attachment and removal without risking injury.

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15
Q

What are the three types of grips used to hold a scalpel?; The three types of grips used to hold a scalpel are the pencil grip

A

fingertip grip

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16
Q

Why is the pencil grip preferred for making incisions with a scalpel?; The pencil grip is preferred because it allows for shorter

A

finer

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17
Q

How can tissues be stabilized when incising with a scalpel?; Tissues can be stabilized by using the tips of the thumb and forefinger of the non-dominant hand to tense adjacent tissue.

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18
Q

What are the two types of grips for holding a scalpel?; The two types of grips for holding a scalpel are the fingertip grip and the pencil grip.

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19
Q

What is the role of the non-dominant hand during the creation of a skin incision using a scalpel?; The non-dominant hand is used to stabilize tissues.

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20
Q

What type of scissors is preferred for accessing deep structures in surgery?; Curved scissors are used for deep structures.

A
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21
Q

What are the different varieties of scissors available for surgical use?; Scissors come in a variety of shapes

A

sizes

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22
Q

What are the primary uses of scissors in surgery?; Scissors are used to cut or dissect tissues other than skin and to cut inanimate objects

A

including paper drapes and suture material.

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23
Q

How should scissors be used for blunt separation of tissue?; Scissors can be used for blunt separation of tissue by inserting the points and opening the handle.

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24
Q

What is the recommended grip for holding scissors during surgery?; The surgeon must hold the scissors with the thumb – ring finger (tripod) grip.

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25
Q

When should straight scissors be used in surgery?; Straight scissors are used close to the surface of the body.

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26
Q

What are the different tip configurations available for suture or operating scissors?; The tips of suture or operating scissors can vary with sharp/sharp

A

sharp/blunt

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27
Q

What type of scissors is used for precise dissection through delicate tissue?; Metzenbaum scissors are finer

A

lighter

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28
Q

What are Heavy Mayo scissors used for in surgical procedures?; Heavy Mayo scissors are ideal for cutting thick connective tissue

A

fascia

29
Q

What are the three types of scissors mentioned in the text?; Mayo Dissecting

A

Metzenbaum Dissecting

30
Q

What are the three types of operating scissors mentioned?; The three types of operating scissors are Blunt/Blunt

A

Sharp/Blunt

31
Q

What type of needle holders are required for larger needles?; Larger needles require wider

A

heavier jawed needle holders.

32
Q

What is another use for needle holders besides holding needles?; Needle holders are also the instrument of choice when placing a scalpel blade on a scalpel blade handle.

A
33
Q

How are the size and type of needle holder determined?; The size and type of needle holder are determined by the characteristics of the needle to be held and the location of tissue to be sutured.

A
34
Q

What is the primary purpose of needle holders in surgery?; Needle holders are designed for holding curved suture needles during suturing and for performing instrument suture ties.

A
35
Q

What happens to a needle holder when its tips become worn?; When a needle holder is no longer useful for its intended purpose due to worn tips

A

it may be converted to use as a wire twister.

36
Q

What is the most commonly used needle holder in general surgery?; The Mayo-Hegar needle holder is the most commonly used in general surgery.

A
37
Q

What is a unique feature of Olsen-Hegar needle holders?; Olsen-Hegar needle holders combine grasping jaws with a scissor just distal to the joint

A

allowing sutures to be tied and cut with the same instrument.

38
Q

For what type of procedures are Castroviejo needle holders specialized?; Castroviejo needle holders are specialized for fine ophthalmological procedures

A

such as suturing the conjunctiva or nictitating membrane.

39
Q

How do Mathieu (MacPhail) needle holders operate?; Mathieu (MacPhail) needle holders have a spring ratchet that opens the jaws and releases the needle when the handle is squeezed.

A
40
Q

What is the purpose of longer needle holders in surgery?; Longer needle holders can be used for suturing in deep body cavities.

A
41
Q

Which grip is specifically used with Castroviejo needle holders?; The pencil grip is specifically used with Castroviejo needle holders.

A
42
Q

What are the different grips used to hold a needle holder in the dominant hand?; The different grips include a palmed grip

A

a thenar grip

43
Q

What is the advantage of a palmed grip in surgical instruments?; A palmed grip provides a strong driving force.

A
44
Q

What is the disadvantage of using a palmed grip in surgical instruments?; A palmed grip offers less precision.

A
45
Q

What grip is preferable when suturing delicate tissue due to its precision?; The thumb-ring finger (tripod) grip allows for the best precision of all grips.

A
46
Q

How are thumb forceps typically held by a surgeon?; Thumb forceps are commonly held in the surgeon’s non-dominant hand using a pencil grip.

A
47
Q

What are the different shapes and sizes available for thumb forceps?; Thumb forceps are available in various shapes and sizes

A

with tips that may be pointed

48
Q

In what surgical tasks are thumb forceps used besides stabilizing tissue?; Thumb forceps are also used for handling needles during suturing.

A
49
Q

What are thumb forceps and what is their primary function in surgery?; Thumb forceps are tweezer-like instruments that help stabilize tissue during suturing

A

cutting

50
Q

What are the four types of thumb forceps mentioned?; Debakey

A

Russian

51
Q

Describe the characteristics of Babcock tissue forceps.; Babcock tissue forceps have large triangular jaws with fine longitudinal striations on the tips

A

used to grasp and manipulate tissues as an alternative to stay sutures.

52
Q

How should Doyen intestinal clamps be used during surgery?; Doyen intestinal clamps have thin longitudinal striations and should be used gently to occlude the open end of the intestine being sutured.

A
53
Q

What is the purpose of Allis tissue forceps during surgery?; Allis tissue forceps have a secure grip and are used to grasp fascia or tissue being excised

A

holding and retracting wound edges for deeper exposure during operation.

54
Q

What are tissue forceps and what is their primary function?; Tissue forceps are locking instruments that clamp tissues

A

allowing manipulation of tissues without repeated grasping.

55
Q

What are the most commonly used types of towel clamps in veterinary medicine?; The most commonly used types are the cross-action towel clamp (Jones) and the Backhaus towel clamp.

A
56
Q

What are small pointed towel clamps used for in veterinary medicine?; Small pointed towel clamps are used to attach towels and drapes to the patient.

A
57
Q

How do hemostatic forceps assist in blunt dissection?; Hemostatic forceps facilitate blunt dissection

A

particularly around vessels or other structures.

58
Q

What variations exist among hemostatic forceps?; Hemostatic forceps vary in size

A

shape of jaw

59
Q

What is the primary use of hemostatic forceps in surgery?; Hemostatic forceps are used to clamp and hold the cut ends of blood vessels to achieve hemostasis or to bluntly dissect tissue.

A
60
Q

What is a key feature of hemostatic forceps?; A key feature of hemostatic forceps is their ability to securely clamp and hold tissues or blood vessels to prevent blood loss during surgery.

A
61
Q

What are hemostatic forceps used for in surgery?; Hemostatic forceps are used to control bleeding by clamping blood vessels or tissues during surgical procedures.

A
62
Q

During which surgical procedure are Finochietto retractors commonly used?; Finochietto retractors are commonly used during thoracotomies.

A
63
Q

What is the primary use of Balfour retractors?; Balfour retractors are generally used to retract the abdominal wall.

A
64
Q

What are the two main types of retractors used in surgery?; Hand-held retractors and self-retaining retractors.

A
65
Q

How can hand-held retractors be adjusted during surgery?; Some hand-held retractors

A

such as malleable or ribbon retractors

66
Q

What is the function of self-retaining retractors?; Self-retaining retractors maintain tension on tissue and are held open with a boxlock or another device.

A
67
Q

What are examples of self-retaining retractors?; Examples include Gelpi and Weitlaner retractors.

A
68
Q

What are the four types of hand-held retractors mentioned?; Senn

A

Army-Navy

69
Q

What are the two types of self-retaining retractors mentioned?; Gelpi and Weitlaner.

A

Prac. Surgery (5 decks)

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