CN2131472Y

CN2131472Y - Skin flap free knife for surgery

Info

Publication number: CN2131472Y
Application number: CN 92206834
Authority: CN
Inventors: 孙鹤庆
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-04-01
Filing date: 1992-04-01
Publication date: 1993-05-05
Anticipated expiration: 2002-04-01

Abstract

The utility model discloses a surgical knife for skin flap free, which comprises a knife body, a knife frame and a rolling shaft. The rolling shaft and the knife body are arranged in parallel, and the rolling shaft is arranged on the two screw bolts of the knife frame and can rotate relative to the screw bolts. The screw nuts on the knife frame are rotated, which can make the rolling shaft move in parallel relative to the knife body. Thereby, the distance between the knife body and the rolling shaft can be controlled. With convenient use, the utility model can free the skin flap with the needed thickness, and the thickness of the skin flap is even. In addition, the time of the operation can be saved.

Description

Skin flap free knife for surgery

This utility model relates to a kind of surgical knife tool, and flap is free when being mainly used in surgical operation.

Background of invention: it is free that surgical operation was made flap in the past, employing be scalpel or electric knife.During operating cost, and the free skin flap gage distortion, electric knife easily causes subcutaneous tissue injury, destroys the veins beneath the skin net.At the problems referred to above, now design homemade this surgery flap dissociating knife, avoided the problems referred to above, have simple to operately, save time, the free skin flap thickness is even, the characteristics that subcutaneous tissue injury is little.Operation art apparatus more in the past has than obvious superiority.

The purpose of this utility model is a kind of surgery flap dissociating knife of invention, uses this cutter to undergo surgery, the flap thickness that of dissociating even, and regulate the device on the cutter, get final product the flap of required thickness, after the operation, subcutaneous tissue injury is few, and vasoganglion destroys little advantage.

Now be described in detail technology contents of the present utility model in conjunction with the accompanying drawings.

Accompanying drawing 1 is a front view of the present utility model.

Accompanying drawing 2 is vertical views of accompanying drawing 1.

(1) is that handle of a knife, (2) are that cutter hub, (3) are that knife rest, (4) are that roller bearing, (5) are that bolt, (6) are nuts among the figure.

Shown in accompanying drawing 1,2, the utility model is by handle of a knife₁, cutter hub₂, knife rest₃, roller bearing₄Form cutter hub₁By screw and knife rest₂Be fixed together roller bearing₄Be located at cutter hub₂With knife rest₃Between, and be arranged roller bearing in parallel with cutter hub₄Be supported on two bolts₅On, and rotate relative to bolt. Bolt₅By being located at the traveling nut on the knife rest₆Be connected with knife rest.

Action principle of the present utility model is such: anesthesia is lower, and skin, hypodermis are cut in the position of pressing otch, needs the interior hypodermic injection of free skin flap scope to contain the physiological saline of low concentration (0.5 ‰) norepinephrine, reduces the capillary oozing of blood. Pi Yuan clamps tractive with towel forceps or cock. Make flap that some tension be arranged. Cutter hub of the present utility model inserted subcutaneously move back and forth by a small margin, attention will be exerted oneself cutter downwards, gets final product flap in the complete free range of operation, surface of a wound hemostasis, further finish other operating procedures, flap thickness is to be determined by the distance between cutter hub and the roller bearing again. Movable nut₆Can regulate this distance, thereby obtain the flap of desired thickness.

Technical characterstic of the present utility model and result of use.

1, simple in structure, easy to use, be easy to grasp;

2, need only the distance of regulating between this cutter and the roller bearing, the flap of the desired thickness that just can dissociate;

3, shorten operating time, on average shorten 20 minutes than traditional method;

4, the little vasoganglion of subcutaneous tissue injury destroys few.

Claims

A kind of flap dissociating knife, it is characterized in that it is made up of cutter hub, handle of a knife, knife rest, roller bearing, cutter hub is fixedlyed connected by screw with knife rest, roller bearing is located between cutter hub and the knife rest, and be arranged in parallel with cutter hub, roller support and is rotated relative to bolt on two bolts, and bolt is connected with knife rest by the traveling nut that is located on the knife rest.