CN214908013U

CN214908013U - Operation electrode with rotatable front end

Info

Publication number: CN214908013U
Application number: CN202120015807.8U
Authority: CN
Inventors: 李泽中; 胡桂云; 王全胜
Original assignee: Hunan Jingyi Medical Technology Co ltd
Current assignee: Hunan Jingyi Medical Technology Co ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-11-30
Anticipated expiration: 2031-01-06

Abstract

The utility model relates to an operation electrode with a rotatable front end, which comprises an operation electrode body, wherein the operation electrode body comprises a shell, an electrode tip and an injection molding piece, a thin metal tube is arranged in the injection molding part, the left end of the thin metal tube is connected with the right end of the electrode head, the left end of the shell is provided with a connecting piece, the connecting piece is provided with a through hole in a clamping way, the right end of the thin metal tube passes through the through hole and is arranged in the shell, a return spring is arranged in the shell, the left end of the return spring is fixed in the shell, the return spring is sleeved on the thin metal tube, the thin metal tube is provided with a split washer, the right end of the reset spring is connected with the split washer, the inside of the shell is provided with a limit buckle, the limiting buckle is provided with a thick metal tube, the right end of the thin metal tube is provided with a conductive grabbing spring, and the conductive grabbing spring is in close contact with the inner wall of the thick metal tube. The electrode tip can 360 degrees arbitrary angle rotation electrode tips, guarantees that the electrode tip can not take place rotatoryly in the cutting process.

Description

Operation electrode with rotatable front end

Technical Field

The utility model relates to the field of medical and surgical instruments, in particular to a surgical electrode with a rotatable front end.

Background

In the medical field, the high-frequency electrotome is a common surgical instrument for surgical operation, and due to the safety and reliability of the high-frequency electrotome, the operation process of a doctor is simplified, and the operation safety is improved. The high-frequency electrotome head commonly used is the lamellar structure, because the cutting tissue position is different among the operation process, often needs the angle of adjustment blade, because the blade position is relatively fixed, consequently medical staff adapts to the cutting of different positions through adjusting the wrist angle, not only increases medical staff's work load, also increases the operation degree of difficulty. Based on above problem, adopt generally to pull out the plug-in type tool bit, the hexahedron spacing mode is adopted to the tool bit insertion end, prevents tool bit axial rotation. Although the cutter head can be inserted for use after being pulled out of the switching angle, the operation is complicated, the angle switching is limited, and the angle cannot be finely adjusted every time at least 60 degrees is switched.

Some surgical electrodes in the prior art adopt a special structure to rotate the tool bit without pulling and inserting the tool bit, and meanwhile, the special positioning structure reduces the minimum switching angle, but the electrode tip is connected with the circuit board through a wire and is dragged by the wire, so that the electrode tip can not rotate at any angle all the time, and the maximum rotation angle is 360 degrees, and then the electrode tip can only rotate around. Based on the above problems, a surgical electrode with a rotatable front end is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem existing in the prior art, the utility model discloses not enough to the operation electrode existence among the prior art, provide following rotatable operation electrode in front end.

The utility model adopts the following technical scheme:

the surgical electrode with the rotatable front end comprises a surgical electrode body, wherein the surgical electrode body comprises a shell, an electrode tip and an injection molding part, a thin metal tube is arranged inside the injection molding part, the left end of the thin metal tube is connected with the right end of the electrode tip, a connecting piece is arranged at the left end of the shell, a through hole is arranged on a connecting piece clamp, the right end of the thin metal tube penetrates through the through hole and is arranged inside the shell, a reset spring and a thick metal tube are arranged inside the shell, the left end of the reset spring is fixed inside the shell, the reset spring is sleeved on the thin metal tube, an open retainer ring is arranged on the thin metal tube, the right end of the reset spring is connected with the open retainer ring, a limiting buckle is arranged inside the shell, the thick metal tube is arranged on the limiting buckle, a conductive grabbing spring is arranged at the right end of the thin metal tube, and the right end of the thin metal tube is arranged inside the thick metal tube, the conductive grabbing spring is in close contact with the inner wall of the thick metal pipe, a circuit board buckle is arranged inside the shell, a circuit board is arranged at the circuit board buckle, and the thick metal pipe is connected with the circuit board.

Furthermore, thick tubular metal resonator passes through spacing buckle and the inside fixed connection of shell.

Furthermore, the split washer is fixedly arranged on the thin metal tube, the conductive grabbing spring is fixedly arranged on the thin metal tube, and the conductive grabbing spring is arranged on the right side of the reset spring.

Furthermore, a gap is arranged at the joint of the shell and the injection molding piece, and soft glue is arranged at the gap.

Furthermore, the junction of injection molding and shell is equipped with anti-skidding recess, anti-skidding recess is the cyclic annular and sets up on the injection molding.

Furthermore, the electrode tip is a universal operation electrode, the electrode tip is welded with the left end of the thin metal tube, and the electrode tip, the injection molding piece and the thin metal tube are integrally injection molded.

Compared with the prior art, the utility model discloses following beneficial effect has:

the electrode tip of the surgical electrode can rotate the electrode tip at any angle of 360 degrees, and the electrode tip can not rotate in the cutting process of the surgical electrode, so that the stability in the surgical cutting process is ensured; the electrode tip and thin metal tube welding together, electrode tip, thin metal tube form whole back again with the injection molding as an organic whole, have anti-skidding recess on the injection molding, be convenient for outwards pull out whole injection molding.

The junction of shell and injection molding has the flexible glue for eliminate the clearance behind shell and the injection molding cooperation, increase frictional force simultaneously prevents to skid at the cutting in-process and rotates.

The conductive grabbing spring is fixed on the thin metal tube, moves along with the thin metal tube, has certain elasticity, and is in close contact with the inner wall of the thick metal tube, so that the conductivity between the thick metal tube and the thin metal tube is ensured. The thick metal tube is fixed inside the shell, and the thick metal tube is connected with the circuit board through the circuit board buckle, so that the circuit conduction is ensured.

Drawings

Fig. 1 is a schematic view of the whole structure of the surgical electrode with a rotatable front end of the present invention.

Fig. 2 is a schematic structural diagram of the housing and the electrode head of the present invention.

In the drawings: 1. the novel electric wire connector comprises a shell, 2 parts of an electrode tip, 3 parts of an injection molding piece, 4 parts of a thin metal tube, 5 parts of a connecting piece, 6 parts of a return spring, 7 parts of a thick metal tube, 8 parts of a split retainer ring, 9 parts of a limiting buckle, 10 parts of a conductive grabbing spring, 11 parts of a circuit board buckle, 12 parts of a circuit board, 13 parts of an electric wire, 14 parts of a soft rubber, 15 parts of an anti-skidding groove and 16 parts of host equipment.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Detailed description of the preferred embodiment 1

As shown in figures 1-2, an operation electrode with a rotatable front end is provided, which comprises an operation electrode body and an external host, wherein the operation electrode body comprises a shell 1, an electrode tip 2 and an injection molding part 3, a thin metal tube 4 is arranged in the injection molding part 3, the left end of the thin metal tube 4 is connected with the right end of the electrode tip 2, the electrode tip 2 is welded with the left end of the thin metal tube 4, the electrode tip 2, the injection molding part 3 and the thin metal tube 4 are integrally formed by injection molding, a connecting piece 5 is fixedly arranged at the left end of the shell 1, the cross section of the connecting piece 5 is trapezoidal, a through hole is arranged on a clamp of the connecting piece 5, the right end of the thin metal tube 4 passes through the through hole and is arranged in the shell 1, a reset spring 6 and a thick metal tube 7 are arranged in the shell 1, the left end of the reset spring 6 is fixed in the shell 1, the reset spring 6 is sleeved on the thin metal tube 4, an open retainer ring 8 is arranged on the thin metal tube 4, the right end of the reset spring 6 is fixedly connected with the open retainer ring 8, the inside of shell 1 is equipped with spacing buckle 9, be equipped with thick tubular metal resonator 7 on the spacing buckle 9, the right-hand member of thin tubular metal resonator 4 is equipped with electrically conductive spring 10 of grabbing, the right-hand member of thin tubular metal resonator 4 sets up in the inside of thick tubular metal resonator 7, electrically conductive spring 10 of grabbing and thick tubular metal resonator 7's inner wall in close contact with, the inside circuit board buckle 11 that is equipped with of shell 1, circuit board buckle 11 department is equipped with circuit board 12, thick tubular metal resonator 7 passes through electric wire 13 and circuit board 12 point connection, the right-hand member of shell 1 is equipped with electric wire 13 hole, circuit board 12 is connected with outside host computer equipment 16 electricity through electric wire 13.

As a further improvement of the above embodiment, the thick metal tube 7 is fixedly connected with the inside of the housing 1 through a limit buckle 9.

As a further improvement of the above embodiment, the circlip 8 is fixedly provided on the thin metal tube 4, the conductive catching spring 10 is fixedly attached to the thin metal tube 4, and the conductive catching spring 10 is provided on the right side of the return spring 6.

As a further improvement of the above embodiment, a gap is provided at the joint of the housing 1 and the injection molded part 3, and a soft glue 14 is provided at the gap.

As a further improvement of the above embodiment, the joint between the injection molded part 3 and the housing 1 is provided with an anti-slip groove 15, and the anti-slip groove 15 is annularly arranged on the injection molded part 3.

As a further improvement of the above embodiment, the tip 2 is a common surgical electrode.

Specific example 2

In embodiment 1, the conductive catching spring 10 is replaced with a bolt, and the right end surface of the thin metal tube 4 is provided with a threaded hole in which a bolt is provided, the bolt being in close contact with the inner wall of the thick metal tube 7.

Specific example 3

In embodiment 1, the conductive clamp spring 10 is replaced with a bolt, a threaded hole is formed in the right end surface of the thin metal tube 4, the bolt is arranged in the threaded hole, an annular groove is formed in the thick metal tube 7, the head of the bolt is arranged in the annular groove, the annular groove is matched with the head of the bolt, and the head of the bolt is in close contact with the inner wall of the thick metal tube 7.

The electrode tip 2 of the operation electrode of the utility model can rotate the electrode tip 2 at any angle of 360 degrees, and the electrode tip 2 can not rotate in the cutting process of the operation electrode, thereby ensuring the stability in the operation cutting process; the electrode tip 2 and the thin metal tube 4 are welded together, the electrode tip 2 and the thin metal tube 4 are integrally formed and then are molded with the injection molding part 3 into a whole, the injection molding part 3 can be hollow, and the injection molding part 3 is provided with the anti-slip groove 15, so that the whole injection molding part 3 can be pulled out conveniently. The connecting piece 5 of the 1 left end of shell is connected with the right-hand member of injection molding 3, and inside the left end of connecting piece 5 inserted the right-hand member of injection molding 3, through-hole and the 1 inside of shell communicated with each other on the connecting piece 5, connecting piece 5 adopted the connecting block, confirmed the shape size of connecting block according to the in-service use condition, and the connecting block adopts the plastics material.

Injection molding 3 and the 5 cooperations of connecting piece on the shell 1, and connecting piece 5 shape is the toper step, guarantees the inseparable nature of complex, and simultaneously, the in-process that injection molding 3 outwards pulled out can make and reserve certain clearance between the left end of injection molding 3 and shell 1, the rotation of the arbitrary angle of electrode tip 2 of being convenient for.

There is flexible glue 14 in the junction of shell 1 and injection molding 3, and flexible glue 14 ring is located the surface of connecting piece 5, and flexible glue 14 is used for eliminating the clearance behind shell 1 and the cooperation of injection molding 3, increases frictional force simultaneously, prevents to skid in the cutting process and rotates.

The one end of reset spring 6 is fixed on the inside inner wall of shell 1, and reset spring 6's the other end cooperates with split ring 8 of fixing on thin metal tube 4, and when injection molding 3 was outwards drawn, reset spring 6 compressed, when loosening, reset spring 6 made injection molding 3 reset, and reset spring 6 has certain pretightning force simultaneously and can make injection molding 3 closely cooperate with shell 1, and increase frictional force prevents to skid in the cutting process and rotates. The housing 1 is typically a plastic handle.

The conductive grabbing spring 10 is fixed on the thin metal tube 4, the conductive grabbing spring 10 moves along with the thin metal tube 4, the conductive grabbing spring 10 has certain elasticity and is in close contact with the inner wall of the thick metal tube 7, and the conductivity between the thick metal tube 7 and the thin metal tube 4 is guaranteed. The thick metal tube 7 is fixed inside the shell 1, and the thick metal tube 7 is connected with the circuit board 12 through the circuit board buckle 11, so that circuit conduction is guaranteed.

It should be understood that the above-mentioned embodiments are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. The above connection mode: the movable connection, the fixed connection, the connection and the like are one or more of welding, bolt connection, riveting, embedded connection, hinge connection, pin connection and the like, and for those skilled in the art, variations or changes in different forms can be made on the basis of the above description. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. An operation electrode with a rotatable front end comprises an operation electrode body, wherein the operation electrode body comprises a shell, an electrode tip and an injection molding piece, and is characterized in that a thin metal tube is arranged inside the injection molding piece, the left end of the thin metal tube is connected with the right end of the electrode tip, a connecting piece is arranged at the left end of the shell, a through hole is arranged on a connecting piece clamp, the right end of the thin metal tube penetrates through the through hole and is arranged inside the shell, a reset spring and a thick metal tube are arranged inside the shell, the left end of the reset spring is fixed inside the shell, the reset spring is sleeved on the thin metal tube, an open check ring is arranged on the thin metal tube, the right end of the reset spring is connected with the open check ring, a limit buckle is arranged inside the shell, the thick metal tube is arranged on the limit buckle, a conductive grab spring is arranged at the right end of the thin metal tube, and the right end of the thin metal tube is arranged inside the thick metal tube, the conductive grabbing spring is in close contact with the inner wall of the thick metal pipe, a circuit board buckle is arranged inside the shell, a circuit board is arranged at the circuit board buckle, and the thick metal pipe is connected with the circuit board.

2. The rotatable surgical electrode as set forth in claim 1, wherein the heavy metal tube is fixedly attached to the interior of the housing by a retaining clip.

3. The rotatable surgical electrode as set forth in claim 1, wherein the circlip is fixedly disposed on the thin metal tube, and the electrically conductive capture spring is fixedly mounted on the thin metal tube and disposed to the right of the return spring.

4. The surgical electrode with the rotatable front end as claimed in claim 1, wherein a gap is provided at a joint of the housing and the injection molding member, and soft glue is provided at the gap.

5. The surgical electrode with the rotatable front end as claimed in claim 1, wherein the connection part of the injection molding part and the housing is provided with an anti-slip groove, and the anti-slip groove is annularly arranged on the injection molding part.

6. The surgical electrode with the rotatable front end as claimed in claim 1, wherein the electrode tip is a universal surgical electrode, the electrode tip is welded to the left end of the thin metal tube, and the electrode tip, the injection molding member and the thin metal tube are integrally injection molded.