CN213310125U

CN213310125U - Under-mirror ultrasonic cross-shaped surgical knife head

Info

Publication number: CN213310125U
Application number: CN202021424814.5U
Authority: CN
Inventors: 胡善云; 梁泳强; 肖伟鹏
Original assignee: Zhuhai Weierkang Biotechnology Co ltd
Current assignee: Zhuhai Weierkang Biotechnology Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-06-01
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses an ultrasonic cross surgical knife head under mirror, including the cutter arbor, the cutter arbor comprises connecting rod I and connecting rod II, the cutter arbor is the cylinder structure, the friction of reducible cutter arbor to endoscope apparatus passageway plays the guard action to endoscope apparatus passageway, the right-hand member rigid coupling of cutter arbor has surgical knife head, surgical knife head's front end is provided with recess I, blind hole, recess II and flank of tooth, the design of recess and flank of tooth, stability is good, can not damage the osseous tissue because of producing the slip in the operation process, improve the security of operation, the design of hemisphere and cylindric blind hole makes the front end amplitude intensity of cutter head more concentrated, trompil or cutting effect are better; the left end rigid coupling of cutter arbor has the connecting block, and the connecting block is provided with the centre gripping plane, and what connecting block, cutter arbor and operation tool bit constitute is a body coupling structure, and this body coupling structure is simple, and convenient operation can shorten the operation required time greatly, alleviates medical personnel's intensity of labour.

Description

Under-mirror ultrasonic cross-shaped surgical knife head

Technical Field

The utility model relates to the technical field of medical equipment, specifically a supersound cross surgical knife head under mirror.

Background

The working principle of the ultrasonic osteotome is that the electric energy is converted into the mechanical energy through the piezoelectric conversion device, the ultrasonic osteotome head is in the high-frequency ultrasonic oscillation of a specific range, so that water in the contacted tissue cells is vaporized, and protein hydrogen bonds are broken, thereby thoroughly destroying the bone tissue to be removed. Meanwhile, the special working frequency of the ultrasonic osteotome has good soft and hard tissue identification capability, and can effectively reduce the damage to peripheral soft tissues, blood vessels and nerves.

In bone surgery, the current hole puncher for orthopedics often adopts comparatively complicated design based on the accurate demand to the position of punching and degree of depth, is furnished with optical instrument even a bit and is used for accurate positioning, consequently current hole puncher for orthopedics, the operation is more loaded down with trivial details during the operation, needs the staff more, and the operation time is long, and medical personnel's intensity of labour is big. Moreover, the existing orthopedics punching device is operated by a hand, so that the stability is weak, the punching process is easy to shake, bones are easy to be damaged, and the safety is low.

To this end we propose an under-the-mirror ultrasonic cruciform surgical blade to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultrasonic cross surgical knife head under mirror to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an under-mirror ultrasonic cross-shaped surgical knife head comprises a knife bar, wherein the knife bar comprises a connecting rod I and a connecting rod II, the right end of the knife bar is fixedly connected with a surgical knife head, and the front end of the surgical knife head is provided with a groove I, a blind hole, a groove II and a tooth surface; the left end of cutter arbor has fixedly connected the connecting block, the connecting block is provided with the centre gripping plane.

Preferably, the cutter arbor is the bamboo joint structure, connecting rod I and connecting rod II are the cylinder structure, and the bottom surface circle diameter of connecting rod I is greater than the bottom surface circle diameter of connecting rod II, and the cutter arbor is formed by the alternate rigid coupling of a plurality of connecting rods I and a plurality of connecting rods II.

Preferably, the scalpel head is whole symmetrical structure, recess I is the hemisphere structure, and is located the center of scalpel head front end, the blind hole includes left and right two parts, and the right part of blind hole is the cylinder structure, and the left part of blind hole is the hemisphere structure, recess I communicates with each other with the blind hole, and the axis of blind hole and recess I is located same straight line.

Preferably, the diameter of the connecting block to the cutter bar is gradually reduced by 1-2 times of diameter reduction.

Preferably, be provided with four looks spaced recesses II around the blind hole, recess II is the arc structure, and every two looks spaced arc recess II mutually perpendicular and form the cruciform shape, has a arch in the middle of every two looks spaced arc recess II, constitutes the flank of tooth by the several arch.

Preferably, the connecting block, the cutter bar and the surgical cutter head are of an integrated structure.

Preferably, the joint of the cutter bar and the surgical knife head is a structure which gradually reduces from the outer diameter of the cutter bar to the outer diameter of the surgical knife head.

Compared with the prior art, the beneficial effects of the utility model are that: the under-mirror ultrasonic cross-shaped scalpel head is an integrated connecting structure consisting of a scalpel bar and a cross-shaped scalpel head, the integrated connecting structure is simple, the operation is convenient, the time required by the operation can be greatly shortened, and the labor intensity of medical personnel is reduced; the cutter bar is of a cylindrical structure, so that the friction of the cutter bar on an endoscope instrument channel can be reduced, and the endoscope instrument channel is protected; the cross-shaped surgical knife head has good stability, does not damage osseous tissues because of sliding in the surgical process, and improves the safety of the surgery; the cross-shaped surgical tool bit can be used for vertically opening holes or cutting bony tissues; because the supersound sword is longitudinal vibration, and the cross scalpel head is hemisphere and cylindrical blind hole design, consequently can accurately punch with effect position direct contact, improves work efficiency, and cross scalpel head hemisphere and cylindrical blind hole design make tool bit front end amplitude intensity concentrate more, and trompil or cutting effect are better.

Drawings

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

FIG. 2 is a schematic view of the structure of the surgical knife head of the present invention;

FIG. 3 is a schematic diagram of the structure of the blind hole of the present invention;

FIG. 4 is a schematic cross-sectional structure of the present invention;

fig. 5 is the cross-shaped cross-sectional structure of the utility model.

In the figure: 1 connecting block, 2 cutter arbor, 3 surgical knife head, 4 connecting rods I, 5 connecting rods II, 6 recess I, 7 blind holes, 8 recess II, 9 flank of tooth, 10 centre gripping planes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an under-mirror ultrasonic cross-shaped surgical knife head comprises a knife bar 2, wherein the knife bar 2 comprises a connecting rod I4 and a connecting rod II 5, the right end of the knife bar 2 is fixedly connected with a surgical knife head 3, and the front end of the surgical knife head 3 is provided with a groove I6, a blind hole 7, a groove II 8 and a tooth surface 9; the left end rigid coupling of cutter arbor 2 has connecting block 1, and connecting block 1 is provided with clamping plane 10, and clamping plane 10's design is mainly for being connected with the handle is better.

Cutter arbor 2 is the bamboo joint structure, and connecting rod I4 and connecting rod II 5 are the cylinder structure, and the bottom surface circle diameter of connecting rod I4 is greater than the bottom surface circle diameter of connecting rod II 5, and cutter arbor 2 is formed by the alternate rigid coupling of a plurality of connecting rods I4 and a plurality of connecting rods II 5, and the resonant frequency of cutter arbor 2 and the multiplying power of cutter arbor 2 are guaranteed to the design like this and reach the operation requirement.

Surgical knife head 3 is whole symmetrical structure, and recess I6 is hemispherical structure, can make the cutting edge line sharper, and recess I6 is located the center of surgical knife head 3 front end, and blind hole 7 includes left and right two parts, and the right part of blind hole 7 is the cylinder structure, and the left part of blind hole 7 is the hemispherical structure, and recess I6 communicates with each other with blind hole 7, and the axis of blind hole 7 and recess I6 is located same straight line.

The diameter of the connecting block 1 to the cutter bar 2 is gradually reduced by 1-2 times.

Be provided with four looks spaced recesses II 8 around blind hole 7, recess II 8 is the arc structure, and every two looks spaced arc recess II 8 mutually perpendicular and form the cruciform shape, has a arch in the middle of every two looks spaced arc recess II 8, constitutes flank of tooth 9 by the several arch, and this flank of tooth 9 is difficult for producing the slip in the operation process.

The connecting block 1, the cutter bar 2 and the surgical cutter head 3 are of an integrated structure.

The joint of the knife bar 2 and the surgical knife head 3 is a structure which gradually reduces from the outer diameter of the knife bar 2 to the outer diameter of the surgical knife head 3.

The working principle is as follows: the utility model discloses when using, the host computer carries electric energy to converter earlier, and the converter converts the electric energy into the mechanical energy of ultrasonic vibration after, transmits mechanical energy for cutter arbor 2, and cutter arbor 2 gives operation tool bit 3 with ultrasonic vibration energy transfer to make operation tool bit 3 reach the function of cutting and blood coagulation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an under-mirror ultrasonic cross-shaped surgical knife head, includes cutter arbor (2), its characterized in that: the cutter bar (2) comprises a connecting rod I (4) and a connecting rod II (5), the right end of the cutter bar (2) is fixedly connected with an operation cutter head (3), and the front end of the operation cutter head (3) is provided with a groove I (6), a blind hole (7), a groove II (8) and a tooth surface (9); the left end of cutter arbor (2) is fixedly connected with connecting block (1), connecting block (1) is provided with centre gripping plane (10).

2. The undermirror ultrasonic cruciform surgical blade of claim 1, wherein: cutter arbor (2) are the bamboo joint structure, connecting rod I (4) and connecting rod II (5) are the cylinder structure, and the bottom surface circle diameter of connecting rod I (4) is greater than the bottom surface circle diameter of connecting rod II (5), and cutter arbor (2) are formed by the alternate rigid coupling of a plurality of connecting rods I (4) and a plurality of connecting rods II (5).

3. The undermirror ultrasonic cruciform surgical blade of claim 1, wherein: surgical knife head (3) is whole symmetrical structure, recess I (6) are the hemispherical structure, and are located the center of surgical knife head (3) front end, blind hole (7) are including left and right two parts, and the right part of blind hole (7) is the cylinder structure, and the left part of blind hole (7) is the hemisphere structure, recess I (6) communicate with each other with blind hole (7), and the axis of blind hole (7) and recess I (6) is located same straight line.

4. The undermirror ultrasonic cruciform surgical blade of claim 1, wherein: the diameter of the connecting block (1) to the cutter bar (2) is gradually reduced by 1-2 times of diameter reduction.

5. The undermirror ultrasonic cruciform surgical blade of claim 1, wherein: be provided with four looks spaced recesses II (8) around blind hole (7), recess II (8) are the arc structure, and every two looks spaced arc recess II (8) mutually perpendicular and form the cruciform shape, have a arch in the middle of every two looks spaced arc recess II (8), constitute flank of tooth (9) by the several arch.

6. The undermirror ultrasonic cruciform surgical blade of claim 1, wherein: the connecting block (1), the cutter bar (2) and the surgical cutter head (3) are of an integrated structure.

7. The cross-shaped ultrasonic surgical knife head under the mirror according to claim 1, characterized in that the joint of the knife bar (2) and the surgical knife head (3) is a structure which gradually reduces from the outer diameter of the knife bar (2) to the outer diameter of the surgical knife head (3).