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Sheet soft tissue cutting device

A soft tissue, sheet-like technology, applied in the field of devices for obtaining sheet-like soft tissue of the human body, can solve the problems of difficult operation, long operation time, uneven cutting thickness, etc., and achieves the effect of good effect, short operation time, and controllable cutting thickness.

Pending Publication Date: 2019-10-22
PEKING UNIV SCHOOL OF STOMATOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a cuboid soft tissue cutting device in order to solve the shortcomings of traditional surgical knives such as difficult operation, uneven cutting thickness, and long operation time in the operation of obtaining soft tissue with a fixed shape and thickness.

Method used

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  • Sheet soft tissue cutting device
  • Sheet soft tissue cutting device
  • Sheet soft tissue cutting device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0022] like figure 1 , 2 , 3, a sheet soft tissue cutting device, including a knife seat 1, a movable knife, a stop plate support 7, a stop plate 11, a stop bar 12, a tension spring 2, a vertical button 6, a torsion spring 5 , extension spring connecting rod 10;

[0023] Described knife seat 1 is the cuboid supporting shell of bottom surface and right side notch, and the bottom of three sides of knife seat 1 is all provided with vertical cutting knives, and the blade of all vertical cutting knives is positioned at the same horizontal plane, and knife seat 1 two The right ends of the vertical cutting knives at the bottom of the two parallel sides are all processed with arc-shaped chamfers, and guide rails 4 are respectively processed on the two parallel sides of the knife holder 1, and the extending direction of the two guide rails is vertical to the bottom of the side where they are located. The blade extension direction of the straight cutting knife matches;

[0024] The u...

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Abstract

The invention discloses a sheet soft tissue cutting device. The device includes a cutter base and a movable cutting tool. The cutter base is a rectangular support shell, the bottom surface and right side face of the shell are provided with notches, the bottom of each side face is provided with a vertical cutter, a stop plate support is fixed between the two parallel side faces, and the right endsof the two parallel vertical cutters are provided with arc chamfers through processing; the upper end of the movable cutting tool is connected with guide rails on the two parallel side faces of the cutter base through sliding rods, and the sliding rods are connected with the left side face of the cutter base through a tension spring; the lower end of the movable cutting tool is provided with a horizontal cutter; a stop plate is rotationally connected with the stop plate support through torsion springs, and the hooking portion of the left end of the stop plate is clamped with the rear end of the tension spring through the torsion springs; a vertical button connected with the top surface of the cutter base controls the stop plate to turn over, and the tension spring is released. The cuttingdevice can rapidly cut sheet soft tissue, and the cutting thickness is controllable.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to a device for obtaining sheet-shaped soft tissue of a human body. Background technique [0002] For gingival recession around natural teeth and insufficient keratinized gingiva around implants, it will cause inflammation around the periodontal and implants, leading to premature tooth loss and implant failure. Widening of keratinized gingiva is an effective solution to the above problems. Free gingival autografts from the hard palate are the gold standard for widening keratinized gingiva. At present, for the keratinized gingiva of the hard palate, a 15# blade is routinely used for peeling, and the keratinized gingiva with a thickness of 1.5mm×width 8mm×length 10-30mm is obtained. Because there is a lot of bleeding during the process of obtaining keratinized gingiva, which affects the doctor's surgical field of view, even for experienced doctors, the operation ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/32A61C19/06A61C3/02
CPCA61B17/32A61C19/06A61C3/02
Inventor 富晓娇张宇林野兰宏凯
Owner PEKING UNIV SCHOOL OF STOMATOLOGY
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