CN210541801U

CN210541801U - Automatic operation apparatus for cervical cold knife coning

Info

Publication number: CN210541801U
Application number: CN201822005471.8U
Authority: CN
Inventors: 邱学文; 方超; 朱卫国
Original assignee: Wuhan Banbiantian Medical Technology Development Co Ltd
Current assignee: Wuhan Banbiantian Medical Technology Development Co Ltd
Priority date: 2018-11-30
Filing date: 2018-11-30
Publication date: 2020-05-19
Anticipated expiration: 2028-11-30

Abstract

The utility model relates to a surgical instrument for automatic cervical cold knife coning, which comprises a handle and a knife bar; the internally mounted of handle has the inner shell, the inside fixed mounting of inner shell has motor one, motor one axle head is connected with the cam, be equipped with curved recess on the periphery of cam, the outside cover of cam is equipped with the cam cover, the cam cover passes through pin joint in the curved recess position of cam, realizes through curved recess and pin that the cam cover removes along self axis direction, the utility model discloses cutting range is steerable, can be according to cervical pathological change tissue size, thereby through the scope of control cutter arbor male depth control cutting, full electric drive's surgical instruments automatic guide can complete awl cut, convenient operation, and the awl is cut rapidly, does not have any electric current to pass through the human body when the awl is cut, realizes cold sword cold awl cutting completely, does not have the thermal damage, is applicable to the tissue cell biopsy. The utility model discloses can also insert radio frequency electric current, realize that the radio frequency congeals hemostasis.

Description

Automatic operation apparatus for cervical cold knife coning

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an automatic surgical instruments that cold sword awl of cervix is cut.

Background

Diseases such as cervical lesion, cervical cancer and the like are common and frequently encountered diseases of gynecology, serious cervical cancer can endanger the lives of patients, and the patients can be timely biopsied and diagnosed by operation, so that the lives of a plurality of patients can be saved by treatment. The cervical conization is a kind of operation for excising cervical lesion tissue in obstetrics and gynecology department, that is, a part of cervical tissue is excised from outside to inside in a conical shape, which is used for the purpose of biopsy and confirmation of cervical lesion, and a treatment method for excising lesion tissue. The traditional treatment method is manual excision (or cold knife taper cutting) by a scalpel or LEEP electrotomy treatment, the manual excision by the scalpel blade has high technical requirements on doctors, the operation needs to be carried out in an operating room, anesthesia needs to be carried out, the operation time is long, the suture is time-consuming and labor-consuming after the operation, the hemostasis is not reliable, and serious physical and psychological trauma is caused to women after the operation is carried out. The latter LEEP electrotomy has the defects that although the implementation is convenient, the operation is simple and convenient, the operation can be carried out in an outpatient clinic, the LEEP electrotomy is implemented, because the tissue is separated at high temperature by adopting an electric spark discharge mode to implement the cutting, the burning and scorching can be caused on a cutting surface, the shape of living cells is damaged, the accuracy of tissue biopsy is influenced, and the scorched cutting surface is not convenient to judge whether the lesion tissue is completely cut off or not. LEEP electroscision is also limited in that no metal implants, such as plates, screws, pacemakers, etc., can be placed in the body during surgery, which could cause injury to the patient.

The Chinese utility model patent application such as CN 201894670U disclosed at present is an automatic LEEP electrotome, and has the defect that the LEEP is still reserved although the automatic function is provided. Similar published utility patents such as CN204207777U, although they propose the concept of automatic taper cutting, the application of electric hand drills to medical operations is disadvantageous, the operation is inconvenient, and the feasibility of the taper cutting operation of the tool described in the patent is not high, especially the whole taper tissue can not be taken out, the expected effect cannot be achieved, and the practical application of the solution is not seen in practice.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the needle is in order to solve above-mentioned technical problem, provides an automatic surgical instruments that cold sword awl of cervix was cut, and the device has simple structure, convenient to use's characteristics, can realize the automatic completion that the cold sword awl of cervix was cut, has alleviateed doctor's intensity of labour.

The utility model adopts the technical proposal that:

an automatic cervical cold knife coning surgical instrument comprises a handle and a knife bar;

the inner shell is installed inside the handle, the first motor is fixedly installed inside the inner shell, the end of one shaft of the first motor is connected with a cam, a curved groove is formed in the circumferential surface of the cam, a cam sleeve is sleeved outside the cam, the cam sleeve is connected to the position of the curved groove of the cam through a pin, and the cam sleeve moves along the axis direction of the cam sleeve through the curved groove and the pin;

a second motor is installed in the handle close to the end part, the shaft end of the second motor is connected with an inner shell, and the second motor drives the inner shell to rotate in the handle;

the front end of the cutter bar is provided with a cutter head connecting piece, the cutter head connecting piece is connected with the cam sleeve, and the rear end of the cutter bar is provided with a stainless steel elastic blade.

Optimized, foretell cold sword awl of cervical surgical instrument who cuts, the rear end of cutter arbor is fixed to be provided with the knife rest, the knife rest is the cell type structure, stainless steel elastic blade sets up inside the knife rest of cell type structure, the one end of stainless steel elastic blade is through setting up the transition pole in the cutter arbor inside and link to each other with the tool bit connecting piece.

Preferably, the surgical instrument for the automatic cervical cold knife coning comprises at least one conductive ring which can be connected with radio frequency current and is fixedly installed at the front end of the knife bar.

Preferably, the above-mentioned surgical instrument for automatic cervical cold knife coning is provided with a switch board in the handle, the handle is provided with a single-cutting button and a rotary-cutting button for mechanically controlling the switch board, and the circumferential surface of the inner shell is provided with a conducting ring for controlling the on-off of the first and second circuits of the motor.

Preferably, the end of the handle is provided with a power line, and the power line is electrically connected with the conducting ring.

Preferably, the handle of the automatic cervical cold knife coning surgical instrument is made of plastic or metal.

Preferably, the surgical instrument for the automatic cervical cold knife coning is characterized in that the knife bar is made of plastic.

Preferably, the surgical instrument for the automatic cervical cold knife taper cutting is characterized in that the knife bar is made of stainless steel, and the outer part of the knife bar is coated with an insulating coating.

The beneficial effects of the utility model reside in that:

1. the cutting range can be controlled, and the cutting range can be controlled by controlling the inserting depth of the cutter bar according to the size of the cervical lesion tissue;

2. reducing the cutting times: the fully electrically driven surgical instrument is automatically guided, complete coning can be realized, the operation is convenient, and the coning is rapid;

3. no thermal damage: no current passes through a human body during the coning, so that the cold coning with a complete cold knife is realized, and no thermal damage is caused;

4. suitable for tissue cell biopsy: the tissue without thermal injury is used for biopsy, and the biopsy result is not influenced;

5. the adaptability is high: various cutters can be selected to meet the requirements of taper cutting or partial cutting at different angles;

6. this automatic surgical instruments that cold sword awl of cervix is cut, motor one and motor two adopt direct current safe voltage drive, through the button control of difference, realize stainless steel elastic blade rectilinear motion simultaneously knife rest rotary motion, complete cutting toper tissue, also can realize alone blade rectilinear cutting, manual rotation, come the requirement of cutting local tissue.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of an automatic cervical cold knife coning surgical instrument according to the present invention;

FIG. 2 is a schematic diagram of a knife holder and a stainless steel elastic blade of an automatic cervical cold knife coning surgical instrument according to the present invention;

fig. 3 is a partial schematic view of a tool bar of an automatic cervical cold knife taper cutting surgical instrument according to the present invention;

FIG. 4 is a view showing the internal structure of the handle of the automatic cervical cold knife awl-cutting surgical instrument of the present invention;

FIG. 5 is a view showing the internal structure of the inner shell of the automatic cervical cold knife awl-cutting surgical instrument of the present invention;

FIG. 6 is a connection structure diagram of a first motor, a cam and a cam sleeve of the surgical instrument for automatic cervical cold knife coning according to the present invention;

fig. 7 is a cross-sectional view of a handle of an automatic cervical cold knife awl-cutting surgical instrument according to the present invention.

The reference numerals are explained below:

1. a handle; 2. a single-cut button; 3. a rotary cutting button; 4. a cutter bar; 5. a conductive ring; 6. a tool holder; 7. a stainless steel resilient blade; 8. a power line; 9. a cutter head connecting piece; 10. an inner shell; 11. a first motor; 12. a second motor; 13. a cam; 14. a cam sleeve; 15. conducting rings; 16. a switch board.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-7, the utility model provides an automatic cervical cold knife coning surgical instrument, which comprises a handle 1 and a knife bar 4, wherein the handle 1 can be divided into an upper structure and a lower structure, which are integrated by gluing or ultrasonic welding, the handle 1 can be injection molded by plastics such as ABS, PC, PVC, etc., or can be processed by CNC, and the shape is streamline, the volume is small and suitable, the holding comfort is strong, and the operation is easy to be held by one hand; the cutter bar 4 can be made of plastics such as ABS, PC, PVC and the like by injection molding, and also can be made of stainless steel materials by injection molding, and if the cutter bar 4 is made of stainless steel, the outside of the cutter bar can be made into an insulating coating;

an inner shell 10 is installed inside the handle 1, a motor I11 is fixedly installed inside the inner shell 10, a cam 13 is connected to the shaft end of the motor I11, a curved groove is formed in the circumferential surface of the cam 13, a cam sleeve 14 is sleeved outside the cam 13, the cam sleeve 14 is connected to the position of the curved groove of the cam 13 through a pin, the cam sleeve 14 can move along the axis direction of the cam through the curved groove and the pin, the cam 13 can be driven to rotate through the motor I11, and when the cam 13 rotates, the cam sleeve 14 sleeved on the cam 13 can reciprocate along the axis of the cam sleeve 14 under the action of the pin and the curved groove;

a second motor 12 is installed in the handle 1 at a position close to the end, the shaft end of the second motor 12 is connected with an inner shell 10, the second motor 12 drives the inner shell 10 to rotate inside the handle 1, and a first motor 11 is fixed inside the inner shell 10 due to the rotation of the inner shell 10, so that the cam sleeve 14 can also rotate in the moving process;

the front end of the cutter bar 4 is provided with a cutter head connecting piece 9, the cutter head connecting piece 9 is used for connecting the cutter bar 4 with the handle 1, the cutter head connecting piece 9 is connected with the cam sleeve 14, the rear end of the cutter bar 4 is provided with a stainless steel elastic blade 7, the blade 7 is made of a stainless steel material which has high elasticity, high toughness and sharpness and meets the requirement of biocompatibility and can be used as a surgical instrument, and the blade 7 does reciprocating linear motion with the stroke of 15-50mm at the frequency of 10-50 times/second under the driving of a transmission mechanism and a shaft, so that tissues are cut like a surgical blade.

Optimized, foretell cold sword awl of cervical is surely surgical instruments, the rear end of cutter arbor 4 is fixed and is provided with knife rest 6, knife rest 6 is the cell type structure, and the shape is the arc, and its material is the same with cutter arbor 4, stainless steel elastic blade 7 sets up inside the knife rest 6 of cell type structure, the one end of stainless steel elastic blade 7 links to each other with tool bit connecting piece 9 through setting up at the inside transition pole of cutter arbor 4, and the cell type structure of knife rest 6 can regard as the guiding groove or the motion guiding device of the motion of stainless steel elastic blade 7, can effectually carry on spacingly to stainless steel elastic blade 7.

Specifically, the knife rest 6 is designed into various sizes such as 10mm, 15mm, 20mm, 30mm, 35mm of taper cutting depth, 5mm, 8mm, 12mm, 15mm, 18mm, 22mm of taper cutting radius and the like, doctors can select the taper tissues according to the needed excision, the taper tissues with different sizes are cut, the cut taper tissues have no thermal injury, and the requirements of pathological biopsy and the operation of completely excising the taper tissues can be met.

Optimized, foretell cold sword awl of cervical cut surgical instruments, the front end fixed mounting of cutter arbor 4 has at least one electrically conductive circle 5, and the setting of cutter arbor 4 is used for conducting the radio frequency electric current, can be connected with the contact in the inner shell, and wherein, electrically conductive circle 5 accessible power cord 8 switch-on radio frequency electric current reaches the hemostatic purpose of solidifying, conveniently solidifies the hemostasis with the fresh tangent plane after the cutting, and saves the operation sutural loaded down with trivial details.

Preferably, the handle 1 is internally provided with a switch board 16, the handle 1 is provided with a single-cutting button 2 and a rotary-cutting button 3 for mechanically controlling the switch board 16, the circumferential surface of the inner shell 10 is provided with conducting rings 15 for controlling the on-off of the circuits of the first motor 11 and the second motor 12, wherein the conducting rings 15 are at least more than three in number, and are made of non-ferrous metals, such as copper sheets, the single-cutting button 2 is pressed, one conducting ring 15 is used for electrifying the first motor 11, the first motor 11 drives the cam 13 and the cam sleeve 14 to work, and then the stainless steel elastic blade 7 moves linearly; the rotary cutting button 3 is pressed, the second motor 12 is powered on through the other conducting ring 15, the second motor 12 drives the inner shell 10 to rotate, and then the rotating torque is transmitted to the stainless steel blade, so that the stainless steel blade can also be subjected to rotary cutting while being subjected to linear cutting.

Specifically, the first motor 11 and the second motor 12 are driven by direct-current safe voltage, and are respectively driven by the single-cutting button 2 and the rotary-cutting button 3, so that the knife rest 6 rotates to completely cut the conical tissue while the blade 7 moves linearly, and the first motor 11 can be driven independently and rotated manually to cut local tissue.

Preferably, the end of the handle 1 is provided with a power line 8, the power line 8 is electrically connected with the conducting ring 15, the other end of the power line 8 is connected with an external power supply, and the power line 8 is protected and fixed by a wire sheath to prevent electric leakage.

The using method comprises the steps of preparing for pre-operation work, pulling the cervix to a proper operation position by using cervical clamps, installing the sterilized cutter bar 4 on the handle 1, pressing the single-cutting button 2, inserting the leading end of the head of the cutter bar 4 into the cervical canal, enabling the cutter bar 4 to be easily and continuously inserted into the cervical canal to a required depth under the cutting action of the stainless steel elastic blade 7, pressing the rotary-cutting button 3, enabling the cutter bar 4 to rotate under the action of the handle 1, enabling the stainless steel elastic blade 7 to do linear motion at the same time, cutting a complete conical lesion tissue, and achieving the treatment effect of cutting the lesion tissue without thermal damage or influencing biopsy accuracy or leaving a fresh surface; when the diseased tissue is found not to be completely excised, the wrist is rotated by a certain angle when the single-incision button 2 and the stainless steel elastic blade 7 are pressed to do linear motion, the cervix uteri with the part which is not completely excised is excised, and then the radio frequency electrocoagulation hemostasis is carried out on the fresh cut surface by utilizing the radio frequency function of the knife rest 6, so that the whole operation can be completed in an outpatient clinic.

The advantages are that:

the utility model discloses utilize compact structure's design, ingenious conduction mode, reciprocating motion and rotary motion through stainless steel elasticity blade, once only accomplish automatically to cervical conization, it is controllable to cut off the cone size, and the cutting round only needs several seconds. The problem that the wound surface is irregular after cutting due to the fact that the manual cutting speed of a doctor is slow and uneven is solved, the advantage of cold knife cutting of taper cutting CKC is inherited, the cut tissue is free of thermal damage, and the accuracy of disease detection is not affected; the single surgical instrument is used for simplifying the complicated operation process of taper cutting of the CKC by the cold scalpel into a very convenient operation mode, and firstly, the good news is brought to patients, namely, the traditional cold scalpel operation is prevented from entering an operating room to perform anesthesia operation, and the patients are hospitalized for several days, so that the time and money are consumed, and the result of inaccurate biopsy caused by thermal injury of the LEEP scalpel operation is avoided. Meanwhile, the cold knife brings convenience to doctors, is simple in instrument and operation, can perform local anesthesia, can conveniently perform operations in outpatient clinics, completely achieves the effect of cold knife coning, and reduces the labor intensity of doctors.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an automatic surgical instruments that cold sword awl of cervix cut which characterized in that: comprises a handle (1) and a cutter bar (4);

an inner shell (10) is installed inside the handle (1), a first motor (11) is fixedly installed inside the inner shell (10), a cam (13) is connected to the shaft end of the first motor (11), a curved groove is formed in the circumferential surface of the cam (13), a cam sleeve (14) is sleeved outside the cam (13), the cam sleeve (14) is connected to the position of the curved groove of the cam (13) through a pin, and the cam sleeve (14) moves along the axis direction of the cam sleeve through the curved groove and the pin;

a second motor (12) is mounted in the handle (1) at a position close to the end part, the shaft end of the second motor (12) is connected with an inner shell (10), and the second motor (12) drives the inner shell (10) to rotate inside the handle (1);

the front end of the cutter bar (4) is provided with a cutter head connecting piece which is connected with the cam sleeve (14), and the rear end of the cutter bar (4) is provided with a stainless steel elastic blade (7).

2. The automatic cervical cold knife coning surgical instrument according to claim 1, wherein a knife rest (6) is fixedly arranged at the rear end of the knife bar (4), the knife rest (6) is of a groove-shaped structure, the stainless steel elastic blade (7) is arranged inside the knife rest (6) of the groove-shaped structure, and one end of the stainless steel elastic blade (7) is connected with the knife head connecting piece through a transition rod arranged inside the knife bar (4).

3. The automatic cervical cold knife coning surgical instrument according to claim 1, wherein at least one conductive ring (5) is fixedly mounted at the front end of the knife bar (4).

4. The automatic cervical cold knife coning surgical instrument according to claim 1, wherein a switch board (16) is disposed inside the handle (1), the handle (1) is provided with a single-cutting button (2) and a rotary-cutting button (3) for mechanically controlling the switch board (16), and the circumferential surface of the inner casing (10) is provided with a conductive ring (15) for controlling the on-off of the circuits of the first motor (11) and the second motor (12).

5. The automatic cervical cold knife coning surgical instrument according to claim 4, wherein the end of the handle (1) is provided with a power line (8), and the power line (8) is electrically connected with the conductive ring (15).

6. The automatic cervical cold knife coning surgical instrument according to claim 1, wherein the handle (1) is made of plastic or metal.

7. The automatic cervical cold knife coning surgical instrument according to claim 1, wherein the knife bar (4) is made of plastic.

8. The automatic cervical cold knife coning surgical instrument according to claim 1, wherein the knife bar (4) is made of stainless steel, and the exterior of the knife bar (4) is coated with an insulating coating.