a scalpel

A scalpel and knife holder technology, applied in the field of scalpels, can solve problems such as the inability to adjust the blade angle and the general strain capacity, and achieve the effects of wide adjustable range, good connection stability, and improved use reliability.

CN109171896BInactive Publication Date: 2020-07-21韦联星 +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2020-07-21
Estimated Expiration
Not applicable · inactive patent

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Abstract

Disclosed is a scalpel, including a knife handle, a knife holder and a blade mounted on the knife holder, wherein the knife holder is provided with a connecting part and a connecting block; the connecting part and the knife holder are integrally arranged; the connecting block is slidably connected with the knife holder; the connecting part is rotatably connected with the knife holder; a tenon in the shape of a nine-prism is arranged on one side of the knife holder; the tenon and the knife rest are integrally arranged; the connecting block is provided with a mortise matched with a tenon; the connecting block and the knife holder are connected through a tenon and a mortise; the knife holder is sandwiched between the connecting block and the connecting part, and a guide groove is arranged onthe knife holder, the connecting part and the connecting block; a limit block capable of limiting the displacement of the connecting block is installed on the guide groove; and the limit block is slidably connected with the guide groove. The blade angle of the scalpel can be adjusted.
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Description

technical field

[0001] The invention relates to the field of medical instruments, in particular to a scalpel. Background technique

[0002] Medical devices refer to instruments, equipment, utensils, in vitro diagnostic reagents and calibrators, materials, and other similar or related items that are directly or indirectly used on the human body, including required computer software. Medical devices are mainly obtained through physical methods, not through pharmacological, immunological or metabolic methods, or although these methods are involved, they only play an auxiliary role. A scalpel is one of the common medical instruments.

[0003] The scalpels used by surgeons in hospitals are divided into blades and handles. The blade is disposable, the handle is not. Other instruments are not disposable, but are autoclaved between uses. The so-called sterilization is to kill all microorganisms.

[0004] But the angle of the blade of present scalpel can not be adjusted, and ada...

Examples

Embodiment 1

[0050] Such as Figure 1-7 Shown, a kind of scalpel comprises knife handle 1, knife rest 2 and the blade 3 that is installed on the knife rest 2, described knife handle 1 is provided with connecting portion 4 and connecting block 5, and described connecting portion 4 and knife The handle 1 is integrally arranged, the connecting block 5 is slidably connected with the knife handle 1, the connecting part 4 is rotationally connected with the knife rest 2, and the upper side of the knife rest 2 is provided with a tenon 6 in the shape of a regular nine-prism. The tenon 6 and the knife holder 2 are integrally arranged, and the connecting block 5 is provided with a mortise 7 matched with the tenon 6, and the connecting block 5 and the knife holder 2 are connected through the tenon 6 and the mortise 7. The knife rest 2 is clamped between the connection block 5 and the connection part 4, and the handle 1, the connection part 4 and the connection block 5 are all provided with a guide gro...

Embodiment 2

[0062] Such as Figure 1-7Shown, a kind of scalpel comprises knife handle 1, knife rest 2 and the blade 3 that is installed on the knife rest 2, described knife handle 1 is provided with connection part 4 and connection block 5, and described connection part 4 and knife The handle 1 is integrally arranged, the connecting block 5 is slidably connected with the knife handle 1, the connecting part 4 is rotationally connected with the knife rest 2, and the upper side of the knife rest 2 is provided with a tenon 6 in the shape of a regular nine-prism. The tenon 6 and the knife holder 2 are integrally arranged, and the connecting block 5 is provided with a mortise 7 matched with the tenon 6, and the connecting block 5 and the knife holder 2 are connected through the tenon 6 and the mortise 7. The knife rest 2 is clamped between the connection block 5 and the connection part 4, and the handle 1, the connection part 4 and the connection block 5 are all provided with a guide groove 8, ...