CN113729867A

CN113729867A - Medical scissors

Info

Publication number: CN113729867A
Application number: CN202010482007.7A
Authority: CN
Inventors: 朱霖
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-12-03

Abstract

The invention discloses a medical scissors, which relates to the technical field of medical appliances and comprises an operating handle component, a scissor head component and a tail nail, wherein the scissor head component is characterized in that a pull rod steel wire is connected with a rotating blade through a short shaft, a fixed blade and the rotating blade are connected and matched through a cheek shaft to form scissors, a connecting seat is sleeved on the pull rod steel wire, the connecting seat is connected with the fixed blade through a connecting shaft, the connecting seat and the fixed blade are welded together at a position on the fixed blade far away from the blade, an outer tube is arranged at the free end of the connecting seat, the operating handle component is formed by connecting a static handle and a movable handle through a handle rotating shaft, the pull rod steel wire of the scissor head component penetrates through a static handle of the operating handle component, the tail nail is sleeved at the free end of the pull rod steel wire, the pull rod steel wire and the tail nail are riveted and connected, and the tail nail is clamped in a groove of the movable handle. The technical characteristics are as follows: the cheek axle deviates from the central line of the connecting seat, is not coplanar, and can realize that the folding point of the cutting edge gradually moves towards the handle direction in the process of folding and shearing the cutting edge of the rotating edge and the fixed edge.

Description

Medical scissors

Technical Field

The invention relates to the technical field of medical instruments, in particular to medical scissors.

Background

In medical operation, scissors are common surgical instruments and are used for rapid incision. At present, the minimally invasive concept is developed, the traditional scissors are improved, tubular scissors are developed, the scissors head is connected with the operating handle through a section of hard tube or metal hose, most of the scissors for the endoscopic surgery are scissors connected through hard tubes, and the scissors for the flexible hose mirror are basically scissors connected through metal hoses.

However, the structure of the existing scissors, whether traditional scissors or hose scissors or hard-tube scissors, determines that the incision of the scissors is cut from a position close to the hand of an operator to a position far away from the hand of the operator, and the incision is from near to far, and the clinical practical requirements are various, and doctors hope that: the incision is from far to near from the operator's hand. The requirements of doctors cannot be met by using the existing scissors, and the operation of the doctors is very troublesome.

Disclosure of Invention

The invention aims to: overcomes the defects of the prior art, and provides the medical scissors which realize that the incision is far from the hand of an operator.

The invention discloses a pair of medical scissors, which comprises an operating handle component (A), a scissor head component (B) and a tail nail (10), wherein the scissor head component (B) is formed by connecting a pull rod steel wire (8) with a rotating blade (3) by a short shaft (6), connecting and matching a fixed blade (1) with the rotating blade (3) by a cheek shaft (2) to form scissors, then sleeving a connecting seat (5) on the pull rod steel wire (8), connecting the connecting seat (5) with the fixed blade (1) by a connecting shaft (4), welding the connecting seat (5) and the fixed blade (1) together at a position far away from the cutting edge on the fixed blade (1), arranging an outer tube (7) at the free end of the connecting seat (5), the operating handle component (A) is formed by connecting a static handle (9) and a movable handle (12) by a handle rotating shaft (11), and the pull rod steel wire (8) of the scissor head component (B) penetrates through the static handle (9) of the operating handle component (A), the free end of the pull rod steel wire (8) is sleeved with a tail nail (10), the pull rod steel wire (8) and the tail nail (10) are riveted and connected, and the tail nail (10) is clamped in a groove of the movable handle (12). As shown in figures 1 and 2 of the drawings. The technical characteristics are as follows: the cheek shaft (2) deviates from the central line (5) of the connecting seat, is not coplanar, and can realize that the folding point of the cutting edge gradually moves towards the handle direction in the process of folding and shearing the cutting edge of the rotating edge (3) and the fixed edge (1).

Further description of the invention: if the outer pipe (7) is made of different pipe bodies and a metal spiral hose is used, the pair of scissors is the pair of soft scissors suitable for the hose scope, and if the metal pipe with the common structure is used, the pair of scissors is the pair of hard scissors.

The invention also discloses another technical improvement scheme: a hole matched with the short shaft (6) in the rotating blade (3) is changed into a waist-shaped hole, the radial swing space of the pull rod steel wire (8) is limited and reduced, the pull rod steel wire (8) is controlled by a movable handle (12) to move axially, the short shaft (6) is driven to slide in the waist-shaped hole of the rotating blade (3), the rotating blade (3) rotates around the cheek shaft (2), and the opening and closing of the rotating blade (3) and the cutting edge of the fixed blade (1) are realized.

The invention has the beneficial effects that:

firstly, the possibility is created for reducing the number of wounds or the area of the wounds and shortening the operation time for the operation, so that the operation risk is reduced for a patient, the pain is relieved, the risk of infection is reduced, the medicine consumption is reduced, and the healing time can be shortened; for doctors, the operation risk is reduced, the operation time is shortened, the thought pressure is reduced, the physical energy consumption is reduced, and the operation is more convenient.

And secondly, considering the use risk, a cutting edge of the scissors is designed to be fixed, the cutting edge under the visual field is rotated, and the risk caused by accidental injury of the cutting edge is reduced.

Description of the drawings:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view of the structure of part I in FIG. 1;

FIG. 3 is an enlarged view of a still further modified rotating blade;

in the figure: 1, fixing a blade; 2, a cheek axis; 3, rotating the blade; 4, connecting the shaft; 5, connecting the base; 6, short axis; 7, an outer tube (a metal capillary tube, or a spiral hose made of metal wires); 8, pulling a steel wire; 9, a static handle; 10, tail nails; 11, a handle rotating shaft; and 12, moving the handle.

The specific implementation mode is as follows:

the pull rod steel wire (8) is connected with the rotating blade (3) by a short shaft (6); the fixed blade (1) and the rotating blade (3) are connected and paired into scissors by a cheek shaft (2), and then a connecting seat (5) is sleeved on a pull rod steel wire (8); connecting the connecting seat (5) and the fixed blade (1) by using the connecting shaft (4), and welding the connecting seat (5) and the fixed blade (1) together at a place on the fixed blade (1) far away from the cutting edge; the free end of the connecting base (5) is provided with an outer tube (7) and is welded and fixed, so far, the head of the invention is assembled.

The static handle (9) and the movable handle (12) are connected by a handle rotating shaft (11), and the handle assembly is completed.

A pull rod steel wire (8) at the head part of the scissors penetrates through a static handle (9), a tail nail (10) is sleeved at the free end of the pull rod steel wire (8), the pull rod steel wire (8) and the tail nail (10) are riveted and connected, and the tail nail (10) is clamped into a groove of a movable handle (12).

In addition, the invention can be modified and implemented on the basis of the above embodiments.

Claims

1. A pair of medical scissors is characterized by comprising an operating handle component (A), a scissor head component (B) and a tail nail (10), wherein the scissor head component (B) is formed by connecting a pull rod steel wire (8) with a rotating blade (3) through a short shaft (6), connecting and matching a fixed blade (1) with the rotating blade (3) through a cheek shaft (2) to form scissors, then sleeving a connecting seat (5) on the pull rod steel wire (8), connecting the connecting seat (5) with the fixed blade (1) through a connecting shaft (4), welding the connecting seat (5) and the fixed blade (1) together at a position far away from the cutting edge on the fixed blade (1), installing an outer pipe (7) at the free end of the connecting seat (5), the operating handle component (A) is formed by connecting a static handle (9) with a movable handle (12) through a handle rotating shaft (11), and the pull rod steel wire (8) of the scissor head component (B) penetrates through the handle (9) of the operating handle component (A), tail nail (10) are sheathe in the free end of pull rod steel wire (8) to with pull rod steel wire (8) and tail nail (10) riveting in connecting, in the groove of moving handle (12) is blocked tail nail (10), its technical characterstic: the cheek shaft (2) deviates from the central line (5) of the connecting seat, is not coplanar, and can realize that the folding point of the cutting edge gradually moves towards the handle direction in the process of folding and shearing the cutting edge of the rotating edge (3) and the fixed edge (1).

2. Combining with the claim 1, the hole on the rotary blade (3) matching with the short shaft (6) is changed into a waist-shaped hole, and the radial swing space of the pull rod steel wire (8) is limited and reduced, so that the pull rod steel wire (8) is controlled by the movable handle (12) to move axially, the short shaft (6) is driven to slide in the waist-shaped hole of the rotary blade (3), the rotary blade (3) rotates around the cheek shaft (2), and the opening and closing of the rotary blade (3) and the cutting edge of the fixed blade (1) are realized.