Other Bone cutting instruments 2 cutting forceps

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Bone Cutting Forceps

•   Liston (Fig. 8.17)

•   Horsley-Liston (Fig. 8.18)

•   McIndoe (Fig. 8.19)

     Bone cutter has two straight sharp edges and may have one or two fulcrums for double action. They are used to cut a small bone or the irregular edge of long bone.

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General Surgery Bone cutting 1

Bone Cutting Instruments

All amputations of the extremities involve cutting through the central bone of the limb, thus the need for a saw. These instruments have teeth on their cutting edge to facilitate cutting through bone.

•   Fergusson amputation saw (Fig. 8.10)

•   Adams-Jones saw (Fig. 8.11)

•   Stryker oscillating saw (Fig. 8.12)

•   Gigli saw (Figs 8.13A and B).

Other Bone Cutting Instruments

•   Chisels are sharp bone cutting instruments beveled on one side only, thus it cannot cut deep into a bone. Smith-Peterson chisel (Fig. 8.14) beveled one side.

•   Osteotomes are sharp instruments beveled on both sides and thus can split a bone. McEwan osteotome (Fig. 8.15) beveled both sides.

•   A gouge has a curved cutting edge and like a chisel can be used to create a surface cavity on a bone. Smith-Peterson gouge (Fig. 8.16).

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General Surgery Knives Skin grafting

     Skin grafting knives in use are used for obtaining the superficial layers of skin for grafting.

     Those in use are:

•   Blair skin grafting knife (Fig. 8.6)

•   Humby skin grafting knife (Fig. 8.7)

•   Braithwaite modification of Humby knife (Fig. 8.8)

•   Padgett’s dermatome (Fig. 8.9)

     Skin grafting knives are also large but are lighter since they are for obtaining large pieces of split thickness (superficial layers) skin for grafting.

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GENRAL SURGERY instruments sharp 2 amputation knifes

Amputation knives in use are:

•       Liston’s knife (Fig. 8.4)

•       Syme’s knife (Fig. 8.5)

         These are large heavy knives since they are used for amputations. The bulk of the tissues (Muscles, Vessels, Nerves) make it necessary that they be large.

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GENERAL SURGERY Instrumets Sharp 1 scalpel

Sharp Instruments

Scalpel

A scalpel is a small knife used in surgical operations. In surgical practice the term knife refers to a cutting tool other than a scalpel and is usually reserved for amputation knives and skins grafting knives which are substantially larger than scalpels. The scalpels in use are:

•   Scalpel (Fig. 8.1)

•   Scalpel handle (Fig. 8.2A and B)

•   Scalpel blades (Fig. 8.3)

            Scalpels are used for incising skin and deeper structures to obtain access. They are very sharp and thus cause minimum injury to incised tissue. Disposable separate blades are sterile when packed and thus require no autoclaving thus there is no loss of sharpness.

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Plastic surgery 8 nasal pricedures

These are instruments used in nose cosmetic surgery
Aufrichts nasal retractor
McIndoes chisel
Cinelli double guided osteotome

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Plastic Surgery 7 palate procedures

These are instruments used in surgery on the palate
Mouthgag Dingmans
Barsky pharangeal lap elevators
Josephs periosteal elevators

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