CN217244679U

CN217244679U - Endoscopic scalpel device

Info

Publication number: CN217244679U
Application number: CN202220197752.1U
Authority: CN
Inventors: 毛芸; 余斌; 潘丹
Original assignee: Zunyi Fifth Peoples Hospital
Current assignee: Zunyi Fifth Peoples Hospital
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-08-23
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses an endoscope scalpel device belongs to medical instrument technical field, including scalpel, interpolation pipe and handle of a knife, interpolation pipe one end is connected the scalpel, the interpolation pipe other end is equipped with the universal joint head, the handle of a knife is connected interpolation pipe one end is equipped with universal sphere, the first swing joint of universal joint is in on the universal sphere, the overhead first locking device that is equipped with of universal joint. The endoscopic scalpel device can be fixedly combined with a lateral deviation technology when being rotated to a certain specific position, so that a scalpel head can reach any position of a focus edge. The endoscope minimally invasive surgery instrument solves the problems that in the endoscopic minimally invasive surgery process, under the conditions that the lesion range is large, the difficulty of the micro surgical instrument contacting the lesion position is high and the like, the lesion can be completely excised conveniently in the surgery, the surgery time is shortened, and beneficial effects are brought to patients.

Description

Endoscopic scalpel device

Technical Field

The utility model relates to the field of medical equipment, specifically a scope scalpel device.

Background

The endoscopic surgery is a surgery performed by placing a micro surgical instrument into a human body through a minimally invasive channel under the direct vision of a special endoscope. In the minimally invasive surgery process under an endoscope, the conditions of large lesion range, high difficulty in the contact of a miniature surgical instrument with a lesion position and the like exist, so that the lesion can not be conveniently and completely resected in the surgery, the surgery time is prolonged, and an adverse effect is brought to a patient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome above-mentioned background art difficulty, solve under the scope minimal access surgery in-process, have the great technical problem such as the scope of pathological change scope is big with scope scalpel contact pathological change position degree of difficulty, provide an scope scalpel device.

In order to achieve the purpose, the technical scheme is as follows: an endoscopic scalpel device comprises a scalpel, an inserted conduit and a scalpel handle, wherein the inserted conduit is cylindrical, one end of the inserted conduit is connected with the scalpel, and the other end side of the inserted conduit protrudes outwards to form a spherical universal joint; one end of the knife handle connected with the inserted conduit is cylindrical, and the side surface of one end of the knife handle connected with the inserted conduit protrudes outwards to form a spherical universal spherical surface; the universal joint head is movably connected to the outer side of the universal spherical surface; the universal joint head outside is equipped with first locking device, first locking device is cylindrical, first locking device medial surface is equipped with the internal thread, the universal joint head outside be equipped with the external screw thread of interpolation pipe axial direction parallel, first locking device internal diameter is less than the universal joint head external diameter, first locking device with the universal joint head passes through threaded connection and forms interference fit.

Furthermore, the distance between the universal spherical surface and the end part of the tool handle is 0.5 cm.

Furthermore, the universal joint head is provided with a notch along the axial direction of the inserted conduit.

Furthermore, a cylindrical protruding ring seat is arranged at one end, connected with the inserted conduit, of the cutter handle, a second locking device is arranged on the outer side of the protruding ring seat, the second locking device is cylindrical, internal threads are arranged on the inner side face of the second locking device, external threads are arranged on the outer side face of the protruding ring seat, the inner diameter of the second locking device is smaller than the outer diameter of the protruding ring seat, and the second locking device is in interference fit with the protruding ring seat through threaded connection; the inner side of the convex ring seat is movably connected with a cylindrical convex ring, and one end side of the convex ring, which is far away from the knife handle, is outwards protruded to form a spherical universal spherical surface; the universal joint head is movably connected to the outer side of the universal spherical surface, and a first locking device is arranged on the outer side of the universal joint head; an axial rotating knob is arranged between the convex ring and the spherical belt-shaped universal spherical surface.

Further, the axial rotation knob is 0.5cm away from the end part of the cutter handle.

Furthermore, the protruding ring seat is provided with a notch along the axial direction of the inserted conduit.

Further, the inner diameter of the inner insertion catheter is less than 3.8 mm.

Furthermore, the surfaces of the first locking device, the second locking device and the axial rotation knob are provided with anti-skid grains.

The beneficial effect who adopts above-mentioned scheme does: according to the endoscopic scalpel device, the rotatable device is added at the handle and can rotate 180-360 degrees and laterally deviate by 30 degrees or other required angles. Can be fixed when rotating to a certain specific position, and can make the knife head reach any position of the focus edge by combining the lateral deviation technology. The endoscope minimally invasive surgery instrument solves the problems that in the process of minimally invasive surgery under an endoscope, under the conditions that the lesion scope is large, the difficulty of an endoscope scalpel contacting a lesion position is high, and the like, the lesion can be completely resected conveniently in surgery, the surgery time is shortened, and beneficial effects are brought to patients.

Drawings

Fig. 1 is a schematic structural diagram of an endoscopic surgical knife device of the present invention.

Fig. 2 is a schematic structural diagram of a endoscopic scalpel device according to the present invention.

In the figure, 1, an inserted conduit, 101, a universal joint head, 102, a first locking device, 2, a connecting piece, 201, a universal spherical surface, 202, a convex ring, 203, an axial rotating knob, 204, a second locking device, 3, a knife handle, 301, a convex ring seat, 4 and a scalpel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, examples of which are shown in the drawings. Where the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.

It is to be understood that the embodiments described are only some embodiments of the invention, and 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.

The first embodiment is as follows:

as shown in fig. 1 to 2, an endoscopic surgical knife device comprises a surgical knife 4, an inserted conduit 1 and a knife handle 3, wherein the inserted conduit 1 is cylindrical, one end of the inserted conduit 1 is connected with the surgical knife 4, and the other end of the inserted conduit 1 protrudes outwards to form a spherical universal joint 101; one end of the knife handle 3 connected with the inserted conduit 1 is cylindrical, and the side surface of one end of the knife handle 3 connected with the inserted conduit 1 protrudes outwards to form a spherical universal spherical surface 201; the universal joint head 101 is movably connected to the outer side of the universal spherical surface 201; the outer side of the universal joint head 101 is provided with a first locking device 102, the first locking device 102 is cylindrical, the inner side face of the first locking device 102 is provided with an internal thread, the outer side of the universal joint head 101 is provided with an external thread which is axially parallel to the inserted conduit 1, the inner diameter of the first locking device 102 is smaller than the outer diameter of the universal joint head 101, and the first locking device 102 is in interference fit with the universal joint head 101 through threaded connection.

Preferably, the universal spherical surface 201 is 0.5cm away from the end part of the tool holder 3.

Preferably, the universal joint head 101 is provided with a notch along the axial direction of the inserted conduit 1.

Preferably, the inner diameter of the insertion catheter 1 is less than 3.8 mm.

Preferably, the surfaces of the first locking device 102, the second locking device 204 and the axial rotation knob 203 are provided with anti-slip threads.

According to the endoscopic scalpel device, the rotatable device is added at the position of the scalpel handle 3, can rotate 180-360 degrees, and can control the lateral deviation to be 30 degrees or other required angles according to the size setting of the universal spherical surface 201 and the universal joint head 101. Can be fixed by interference fit formed by threaded connection between the first locking device 102 arranged on the universal joint head 101 and the universal joint head 101 when rotating to a specific position. And the cutter head can reach any position of the focus edge by combining the technology that the universal joint head 101 is movably connected on the universal spherical surface 201 to realize lateral deviation. The endoscope minimally invasive surgery instrument solves the problems that in the endoscopic minimally invasive surgery process, under the conditions that the lesion range is large, the difficulty of an endoscopic surgery instrument contacting with a lesion position is high, and the like, the lesion can be completely resected conveniently in the surgery, the surgery time is shortened, and beneficial effects are brought to patients.

The universal joint head 101 is provided with one or more notches along the axial direction of the inserted conduit 1, and the width of the notch is less than 0.5 mm. The first locking device 102 and the universal joint head 101 can achieve a better locking effect through interference fit by forming the notch on the universal joint head 101.

The distance between the axial rotation knob 203 and the end part of the knife handle 3 is 0.5cm, so that manual operation during surgery is facilitated, and the working efficiency is improved.

As the inner diameter of the forceps channel of the treatment mirror is 3.8mm, the designed diameter of the device is less than 3.8mm, and the device is convenient to use safely during operation.

The surfaces of the first locking device 102, the second locking device 204 and the axial rotation knob 203 are provided with anti-slip grains, so that the operation is more reliable and convenient.

Example two:

as shown in fig. 1 to 2, an endoscopic scalpel device comprises a scalpel 4, an inserted catheter 1 and a scalpel handle 3, wherein the scalpel handle 3 is connected with one end of the inserted catheter 1 and is provided with a cylindrical protruding ring seat 301, a second locking device 204 is arranged on the outer side of the protruding ring seat 301, the second locking device 204 is cylindrical, inner threads are arranged on the inner side surface of the second locking device 204, outer threads are arranged on the outer side surface of the protruding ring seat 301, the inner diameter of the second locking device 204 is smaller than the outer diameter of the protruding ring seat 301, and the second locking device 204 and the protruding ring seat 301 are connected through threads to form interference fit; the inner side of the protruding ring seat 301 is movably connected with a cylindrical protruding ring 202, and one end side of the protruding ring 202 far away from the tool shank 3 protrudes outwards to form a spherical universal spherical surface 201; the universal joint head 101 is movably connected to the outer side of the universal spherical surface 201, and a first locking device 102 is arranged on the outer side of the universal joint head 101; an axial rotating knob 203 is arranged between the convex ring 202 and the spherical belt-shaped universal spherical surface 201; the protruding ring 202, the spherical belt-shaped universal spherical surface 201 and the axial rotating knob 203 therebetween form an intermediate connecting piece 2 between the surgical inserting catheter 1 and the handle 3 of the scalpel 4.

Preferably, the axial rotation knob 203 is 0.5cm away from the end of the knife handle 3.

Preferably, the protruding ring seat 301 is provided with a notch along the axial direction of the inner insertion catheter 1.

Preferably, the inner diameter of the insertion catheter 1 is less than 3.8 mm.

According to the endoscopic scalpel device, the rotatable device is added at the position of the scalpel handle 3, can rotate 180-360 degrees, and can control the lateral deviation to be 30 degrees or other required angles according to the size setting of the universal spherical surface 201 and the universal joint head 101. When the cutting head rotates to a specific position, the cutting head can reach any position of a focus edge by means of an interference fit formed by threaded connection of the second locking device 204 arranged on the protruding ring seat 301 and the protruding ring seat 301, and then by means of the movable connection of the universal joint head 101 and the universal spherical surface 201 and the first locking device 102 arranged on the universal joint head 101, a lateral offset technology is used. The endoscope minimally invasive surgery instrument solves the problems that in the endoscopic minimally invasive surgery process, under the conditions that the lesion range is large, the difficulty of the micro surgical instrument contacting the lesion position is high and the like, the lesion can be completely excised conveniently in the surgery, the surgery time is shortened, and beneficial effects are brought to patients.

The protruding ring seat 301 is provided with one or more notches along the axial direction of the inserted catheter 1, and the width of the notch is less than 0.5 mm. The second locking device 204 and the protruding ring seat 301 can achieve a better locking effect through interference fit by forming the notch on the protruding ring seat 301.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an endoscope scalpel device, includes scalpel (4), interpolation pipe (1) and handle of a knife (3), characterized by: the inserted catheter (1) is cylindrical, one end of the inserted catheter (1) is connected with the scalpel (4), and the other end side surface of the inserted catheter (1) protrudes outwards to form a spherical universal joint head (101); one end of the knife handle (3) connected with the inserted conduit (1) is cylindrical, and the side surface of one end of the knife handle (3) connected with the inserted conduit (1) protrudes outwards to form a spherical universal spherical surface (201); the universal joint head (101) is movably connected to the outer side of the universal spherical surface (201); the utility model provides a pipe joint, including universal joint head (101), first locking device (102) are cylindrical, first locking device (102) medial surface is equipped with the internal thread, the universal joint head (101) outside be equipped with insert pipe (1) axial direction parallel's external screw thread, first locking device (102) internal diameter is less than universal joint head (101) external diameter, first locking device (102) with universal joint head (101) form interference fit through threaded connection.

2. An endoscopic surgical knife device according to claim 1, wherein: the distance between the universal spherical surface (201) and the end part of the tool handle (3) is 0.5 cm.

3. An endoscopic surgical knife device according to claim 1, wherein: the universal joint head (101) is provided with a notch along the axial direction of the inserted conduit (1).

4. An endoscopic surgical knife device according to claim 1, wherein: one end, connected with the inserted conduit (1), of the cutter handle (3) is provided with a cylindrical protruding ring seat (301), the outer side of the protruding ring seat (301) is provided with a second locking device (204), the second locking device (204) is cylindrical, the inner side of the second locking device (204) is provided with internal threads, the outer side of the protruding ring seat (301) is provided with external threads, the inner diameter of the second locking device (204) is smaller than the outer diameter of the protruding ring seat (301), and the second locking device (204) is in threaded connection with the protruding ring seat (301) to form interference fit; the inner side of the protruding ring seat (301) is movably connected with a cylindrical protruding ring (202), and one end side of the protruding ring (202) far away from the knife handle (3) protrudes outwards to form a spherical universal spherical surface (201); the universal joint head (101) is movably connected to the outer side of the universal spherical surface (201), and a first locking device (102) is arranged on the outer side of the universal joint head (101); an axial rotating knob (203) is arranged between the convex ring (202) and the spherical belt-shaped universal spherical surface (201).

5. An endoscopic surgical knife device according to claim 4, wherein: the axial rotation knob (203) is 0.5cm away from the end part of the cutter handle (3).

6. An endoscopic surgical knife device according to claim 4, wherein: the protruding ring seat (301) is provided with a notch along the axial direction of the inserted catheter (1).

7. An endoscopic surgical knife device according to claim 1 or 4, wherein: the inner diameter of the interpolation conduit (1) is less than 3.8 mm.

8. An endoscopic surgical knife device according to claim 1 or 4, wherein: the surfaces of the first locking device (102), the second locking device (204) and the axial rotation knob (203) are provided with anti-slip threads.