CN112155679B

CN112155679B - Gynaecology's chamber mirror minimal access surgery scalpel

Info

Publication number: CN112155679B
Application number: CN202011171169.5A
Authority: CN
Inventors: 王冬冬; 赵艳艳; 李娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-10-12
Anticipated expiration: 2040-10-28
Also published as: CN112155679A

Abstract

The invention discloses a gynecological endoscopic minimally invasive surgical knife, which comprises: the adjustable tool comprises an adjusting handle, a tool body and a tool bit which are connected in sequence, wherein the tool bit is connected with the tool body in a sliding mode, one end, far away from the tool body, of the adjusting handle is rotatably connected with a dial, and a hydraulic sensor is arranged in the tool body. The invention provides instructions for the operation of doctors by monitoring the pressure in the scalpel in real time, and the position of the tool bit is quantitatively regulated in a scale mode when the focus is cut off, so that the mistaken cutting in the operation process is effectively avoided, the tissue damage and blood loss are reduced, the operation difficulty is reduced, and the generation of complications is reduced.

Description

Gynaecology's chamber mirror minimal access surgery scalpel

Technical Field

The invention relates to the technical field of medical equipment, in particular to a gynecological endoscopic minimally invasive surgical scalpel.

Background

The laparoscope technology has the advantages of small wound, light pain and quick recovery, and in recent years, the laparoscope technology is developed rapidly, so that diseases such as Endometrial Cancer (EC), cervical cancer (SCC), Ovarian Cancer (OC), pelvic cavity and abdominal cavity severe adhesion, pelvic abscess, hemorrhagic shock and the like are treated by laparoscopic surgery gradually, and good effects are achieved. When using laparoscopic surgery to get rid of the tumour, need carry on around cutting and hydrops suction, in cutting position adjustment and excision process, easily because the misoperation leads to the miscut to arouse that tissue damage and blood loss are too much, how to design a gynaecology's laparoscopic minimal access surgery scalpel, effectively prevent the miscut in the operation process, it is the problem that needs to solve at present urgently to reduce tissue damage and blood loss.

Disclosure of Invention

In order to solve the technical problems, the invention discloses a gynecological endoscope minimally invasive surgical scalpel, which provides instructions for doctor operation by monitoring the pressure in the scalpel in real time, adopts scale-type quantitative adjustment on the position of a tool bit when a focus is cut off, effectively avoids mistaken cutting in the operation process, reduces tissue damage and blood loss, reduces operation difficulty and further reduces the generation of complications; it includes:

the adjustable tool comprises an adjusting handle, a tool body and a tool bit which are connected in sequence, wherein the tool bit is connected with the tool body in a sliding mode, one end, far away from the tool body, of the adjusting handle is rotatably connected with a dial, and a hydraulic sensor is arranged in the tool body.

Preferably, a first accommodating space is formed in the cutter body, the cutter head is connected to the first accommodating space in a sliding mode, the first accommodating space is divided into a first cavity and a second cavity by the cutter head, the first cavity is far away from the adjusting handle, the cutter head penetrates through the first cavity, and the tip end of the cutter head extends outwards along the length direction of the cutter body.

Preferably, the adjustment handle includes a housing, an adjustment portion and a driving portion, the housing is connected to the cutter body, and the driving portion includes:

the third cavity is arranged inside the shell and communicated with the second cavity;

the second accommodating space is arranged in the shell and is arranged on one side, away from the cutter head, of the third cavity;

the sliding block is connected in the second accommodating space in a sliding mode and divides the second accommodating space into a fourth cavity and a fifth cavity, and the fourth cavity is arranged close to the third cavity;

the first communicating pipe is arranged between the third cavity and the fourth cavity, and two ends of the first communicating pipe are respectively communicated with the third cavity and the fourth cavity;

the sliding rod is arranged in the fifth cavity, one end of the sliding rod is fixedly connected with the sliding block, the other end of the sliding rod penetrates through the shell and is connected with the adjusting part, and a plurality of threads are arranged on the sliding rod;

the second communicating pipe is arranged inside the shell and the cutter body, one end of the second communicating pipe is communicated with the first cavity, and the other end of the second communicating pipe is communicated with the fifth cavity;

and the regulating valve is arranged on the first communication pipe.

Preferably, the hydraulic sensor is installed inside the cutter body, and the sensing end of the hydraulic sensor is arranged in the third cavity.

Preferably, transmission fluid is arranged in the first cavity, the second cavity, the third cavity, the fourth cavity, the fifth cavity, the first communication pipe and the second communication pipe.

Preferably, the adjusting portion includes:

the rotating shaft is connected to the shell through a fixed seat, and one end of the rotating shaft is connected with the dial disc;

the worm wheel is connected to the rotating shaft;

the worm is arranged on one side of the worm wheel and is in meshed connection with the worm wheel;

the motor is fixedly connected to the shell, and the output end of the motor is connected with the worm;

the nut seat is connected to the other end of the rotating shaft, a plurality of threads are arranged on the inner ring of the nut seat, and the nut seat is in threaded connection with the sliding rod.

Preferably, the gynecological endoscope minimally invasive surgical knife further comprises: the liquid extracting pipe is arranged inside the shell and the cutter body, one end of the liquid extracting pipe penetrates through the end face of the cutter body, and the other end of the liquid extracting pipe penetrates through the side wall of the shell; the liquid extracting pipe joint is installed on the side wall of the shell, and the liquid extracting pipe joint is connected with the liquid extracting pipe.

Preferably, the gynecological endoscope minimally invasive surgical knife is characterized by further comprising: control panel, adjustment button and pilot lamp, control panel, adjustment button and pilot lamp set up in the adjustment handle outside, control panel is connected with hydraulic sensor, regulation and control valve, adjustment button, pilot lamp and motor electricity.

Preferably, the dial is provided with annular scale marks, and the annular scale mark scales are arranged corresponding to the moving distance of the tool bit.

Preferably, the process of the control panel controlling the indicator light comprises:

firstly, receiving a hydraulic signal transmitted by the hydraulic sensor;

then, processing the received hydraulic signal according to the following formula;

in the above formula, β represents a pressure value detected by the hydraulic sensor, T represents a temperature in the third chamber, M represents a constant, where a value is 8.31441 ± 0.00026J/(mol · K), V represents a volume of the third chamber, n represents a quantity of a gas substance in the third chamber, w represents the hydraulic signal frequency, and T represents a current time;

then, judging the processed data information of the hydraulic signal, and determining the control result of the indicator light;

in the above formula, FRU represents the control result, a represents the lower limit of the set range of the pressure value detected by the hydraulic pressure sensor, B represents the upper limit of the set range of the pressure value detected by the hydraulic pressure sensor, a represents that the indicator lamp is turned on, and B represents that the indicator lamp is turned off;

and finally, the indicator light executes the control result.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic view of the adjusting portion of the present invention;

FIG. 4 is a schematic view of a rotating shaft structure according to the present invention.

In the figure: 1. an adjusting handle; 2. a cutter body; 3. a cutter head; 4. a dial scale; 5. a hydraulic pressure sensor; 6. a regulating valve; 7. a liquid pumping pipe; 8. a liquid pumping pipe joint; 9. an adjustment button; 10. an indicator light; 11. a housing; 12. an adjustment section; 14. a control panel; 21. a first cavity; 41. an annular scale line; 22. a second cavity; 121. a rotating shaft; 122. a worm gear; 123. a worm; 124. a motor; 125. a nut seat; 131. a third cavity; 132. a slider; 133. a fourth cavity; 134. a fifth cavity; 135. a first communication pipe; 136. a slide bar; 137. and a second communication pipe.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

The invention will be further described with reference to the accompanying drawings.

As shown in fig. 1-4, the minimally invasive surgical knife with gynecological endoscope provided in this embodiment includes:

the adjustable knife comprises an adjusting handle 1, a knife body 2 and a knife head 3 which are connected in sequence, wherein the knife head 3 is in sliding connection with the knife body 2, one end, far away from the knife body 2, of the adjusting handle 1 is rotatably connected with a dial 4, and a hydraulic sensor 5 is arranged in the knife body 2.

The working principle and the beneficial effects of the invention are as follows:

the invention provides a gynecological endoscopic minimally invasive surgical knife, when in use, a doctor holds an adjusting handle 1 by hands, a knife body 2 and a knife head 3 are inserted into the focus position in an abdominal cavity, the position of the scalpel is finely adjusted, the knife head 3 is in contact with the focus, the pressure in a third cavity 131 is increased, an indicator lamp 10 is lightened after a pressure value detected by a hydraulic sensor 5 reaches a set range, the doctor is prompted to operate, at the moment, a regulating valve 6 is opened through an adjusting button 9, the third cavity 131 is communicated with a fourth cavity 133, then a motor 124 is controlled by the regulating button 9 to rotate forwards, a transmission liquid is pushed to move, the knife head 3 is pushed to a proper focus cutting position, the regulating valve 6 is closed to perform excision operation, quantitative adjustment is performed according to the dial 4 in the propelling process, the pressure in the third cavity 131 is reduced after the excision of the focus is completed, the indicator lamp 10 is extinguished, the control button 9 is used for opening the regulating valve 6 and controlling the motor 124 to rotate reversely, so that the knife head 3 is retracted, the regulating valve 6 is closed, and then the scalpel is pulled out.

The invention provides instructions for the operation of doctors by monitoring the pressure in the scalpel in real time, and the position of the tool bit is quantitatively regulated in a scale mode when the focus is cut off, so that the mistaken cutting in the operation process is effectively avoided, the tissue damage and blood loss are reduced, the operation difficulty is reduced, and the generation of complications is reduced.

In one embodiment, the cutter body 2 is provided with a first accommodating space therein, the cutter head 3 is slidably connected in the first accommodating space, the cutter head 3 divides the first accommodating space into a first cavity 21 and a second cavity 22, the first cavity 21 is arranged away from the adjustment handle 1, the cutter head 3 penetrates through the first cavity 21, and the tip of the cutter head 3 extends outwards along the length direction of the cutter body 2.

The working principle and the beneficial effects of the technical scheme are as follows:

the cutter head 3 is slidably connected in the first accommodating space, when the transmission liquid is filled into the second cavity 22, the space of the second cavity 22 is enlarged, the space of the first cavity 21 is reduced, the cutter head 3 is pushed out of the cutter body 2, and the transmission liquid in the first cavity 21 is discharged through a second communicating pipe 137; when the transmission fluid enters the first cavity 21 through the second communicating pipe 137, the space of the first cavity 21 becomes larger, the space of the second cavity 22 becomes smaller, and the cutter head 3 is retracted at this time. Through the above structure design, will tool bit 3 carries out nimble release, and is right 3 positions of tool bit are further finely tuned, realize tool bit 3 is in time with after the excision of focus the tool bit 3 is withdrawed simultaneously to the accurate excision of focus, effectively prevents that the scalpel from taking out the in-process to human tissue scratch, improves scalpel use reliability, reduces the operation risk.

As shown in fig. 2, in one embodiment, the adjustment handle 1 includes a housing 11, an adjustment portion 12, and a driving portion, the housing 11 is connected with the cutter body 2, and the driving portion includes:

a third cavity 131, wherein the third cavity 131 is opened inside the housing 11, and the third cavity 131 is communicated with the second cavity 22;

a second accommodating space which is opened inside the housing 11 and is arranged on a side of the third cavity 131 away from the cutter head 3;

a slider 132, wherein the slider 132 is slidably connected in the second accommodating space, and the slider 132 divides the second accommodating space into a fourth cavity 133 and a fifth cavity 134, and the fourth cavity 133 is disposed close to the third cavity 131;

a first communication pipe 135, wherein the first communication pipe 135 is disposed between the third cavity 131 and the fourth cavity 133, and both ends of the first communication pipe 135 are respectively communicated with the third cavity 131 and the fourth cavity 133;

the sliding rod 136 is arranged in the fifth cavity 134, one end of the sliding rod 136 is fixedly connected with the sliding block 132, the other end of the sliding rod 136 penetrates through the shell 11 and is connected with the adjusting part 12, and a plurality of threads are arranged on the sliding rod 136;

the second communication pipe 137 is disposed inside the housing 11 and the cutter body 2, one end of the second communication pipe 137 is communicated with the first cavity 21, and the other end of the second communication pipe 137 is communicated with the fifth cavity 134;

a control valve 6, the control valve 6 being installed on the first communication pipe 135.

the shell 11 is connected with the cutter body 2, the pushing and retracting of the cutter head 3 is controlled by a driving part, when the cutter head 3 is controlled to be pushed out, the sliding rod 136 is driven by the adjusting part 12 to drive the sliding block 132 to move towards the cutter head 3, the transmission liquid in the fourth cavity 133 flows into the third cavity 131 and the second cavity 22 under the action of the sliding block 132, so that the cutter head 3 is pushed out, and the transmission liquid in the first cavity 31 flows out along the second communicating pipe 137 under the action of the cutter head and flows into the fifth cavity 134; when the cutter head 3 is controlled to retract, the flowing direction of the transmission fluid is opposite, and the joint of the sliding rod 136 and the shell 11 is arranged in a sealing way; the control valve 6 is installed on the first communicating pipe 135, and is used for controlling the opening and closing states of the first communicating pipe 135, when the control valve 6 is opened, the transmission liquid is communicated among the cavities, and when the control valve 6 is closed, the transmission liquid does not flow. Through above-mentioned structural design, form closed circuit between each cavity, utilize the flow of transmission fluid to realize pushing out and withdrawing of tool bit 3, improve the regulation stability of tool bit 3, effectively fixed tool bit 3 prevents effectively that operation in-process tool bit from taking place to shift, realizes the accurate excision of focus.

In one embodiment, the hydraulic sensor 5 is mounted inside the cutter body 2, and the sensing end of the hydraulic sensor 5 is disposed in the third cavity 131.

when the cutter head 3 is in contact with the lesion tissue and is used for cutting, the pressure borne by the cutter head 3 is increased, the transmission liquid pressure in the third cavity 131 is increased along with the pressure, and the hydraulic sensor 5 realizes real-time detection of the transmission liquid pressure in the third cavity 131, so that the contact state of the cutter head 3 and the lesion is monitored.

In one embodiment, the first chamber 21, the second chamber 22, the third chamber 131, the fourth chamber 133, the fifth chamber 134, the first communicating pipe 135 and the second communicating pipe 137 are provided therein with transmission fluid.

the transmission liquid is a power transmission medium of the scalpel, is positioned in each cavity and the connecting pipeline thereof and is not easy to compress, and meanwhile, the transmission liquid has a lubricating function, can lubricate each contacted surface or component, can still maintain the characteristics under the conditions of large pressure fluctuation and long-term storage, has low volatility and nontoxicity, improves the reliability of the scalpel, and prolongs the service life.

As shown in fig. 3 and 4, in one embodiment, the adjusting portion 12 includes:

the rotating shaft 121 is connected to the housing 11 through a fixing seat, and one end of the rotating shaft 121 is connected to the dial 4;

a worm wheel 122, wherein the worm wheel 122 is connected to the rotating shaft 121;

a worm 123, wherein the worm 123 is arranged on one side of the worm wheel 122, and the worm 123 is in meshed connection with the worm wheel 122;

the motor 124 is fixedly connected to the housing 11, and the output end of the motor 124 is connected with the worm 123;

the nut seat 125 is connected to the other end of the rotating shaft 121, a plurality of threads are arranged on the inner ring of the nut seat 125, and the nut seat 125 is in threaded connection with the sliding rod 136.

the motor 124 is started to drive the worm 123 to rotate, the worm 123 drives the worm wheel 122 to rotate, the dial 4 and the nut seat 125 are coaxially arranged with the worm wheel 122, therefore, the dial 4 and the nut seat 125 rotate synchronously with the worm wheel 122, the inner ring of the nut seat 125 is in threaded connection with the slide rod 136, the slide rod 136 is driven to move, the slide rod 136 and the slide block 132 synchronously operate, and the dial 4 forms a relative rotation angle with the shell 11 when rotating. Through the above structural design, realize slide bar 136's electric control, according to the registration of calibrated scale 4 carries out quantitative regulation to the miscut that manual feed produced in the operation process is avoided to the small size removal of control tool bit 3, effectively adapts to small size focus, reduces the operation degree of difficulty of performing the operation.

In one embodiment, the gynecological endoscopic minimally invasive surgical scalpel further comprises: the liquid extracting pipe 7 is arranged inside the shell 11 and the cutter body 2, one end of the liquid extracting pipe 7 penetrates through the end face of the cutter body 2, and the other end of the liquid extracting pipe 7 penetrates through the side wall of the shell 11; the liquid suction pipe joint 8 is installed at a side wall of the housing 11, and the liquid suction pipe joint 8 is connected with the liquid suction pipe 7.

in the operation process, observe the abdominal cavity state through the peritoneoscope, when appearing the bloody water in the peritoneoscope, will liquid suction pipe 7 is in the open position of 2 terminal surfaces of cutter body invades to the bloody water, will liquid suction pipe connects 8 and is connected with negative pressure drainage bag, and under the negative pressure effect, the bloody water passes through liquid suction pipe 7 gets into negative pressure drainage bag, collects the bloody water, also can with liquid suction pipe connects 8 and is connected with the syringe needle, through needle tubing suction bloody water. Through above-mentioned structural design, effectively get rid of the bloody water of operation in-process, for the operation provides good operating environment, guarantee that the peritoneoscope field of vision is clear, ensure that the operation is stably gone on.

In one embodiment, the gynecological endoscopic minimally invasive surgical scalpel further comprises: control panel 14, adjustment button 9 and pilot lamp 10, control panel 14, adjustment button 9 and pilot lamp 10 set up in the adjustment handle 1 outside, control panel 14 is connected with hydraulic pressure sensor 5, regulation and control valve 6, adjustment button 9, pilot lamp 10 and motor 124 electricity.

the control panel 14 is connected with the adjusting button 9, the scalpel is controlled according to manual operation, the control panel 14 is connected with the motor 124, the motor 124 is controlled to rotate forwards and backwards, meanwhile, the regulating valve 6 is controlled to be opened and closed, the control panel 14 is connected with the hydraulic sensor 5 and the indicator lamp 10, and the indicator lamp 10 is turned on and off according to a detection result of the hydraulic sensor 5. Through the structure design, provide audio-visual control suggestion for the doctor at the operation in-process, the doctor is through controlling the release and the withdrawal of 9 direct control tool bits 3 of adjustment button to carry out focus excision operation, reduce the operation degree of difficulty, improve the scalpel and use the convenience.

In one embodiment, the scale plate 4 is provided with an annular scale mark 41, and the scale of the annular scale mark 41 is arranged corresponding to the moving distance of the tool bit 3.

the calibrated scale 4 with 3 synchronization action of tool bit, work as during the back-and-forth movement of tool bit 3, the corresponding rotation of calibrated scale 4, be equipped with fixed scale mark on the casing 11, consequently will annular scale mark 41 on the calibrated scale 4 corresponds tool bit 3 displacement sets up, and the reaction directly perceived the displacement of tool bit 3 is confirmed when being convenient for the doctor operates the distance of tool bit 3 and focus, for tool bit 3 removes and provides the basis of weighing, realizes tool bit 3 displacement's quantitative regulation effectively prevents tool bit 3 stretches out the volume inadequately or stretches out the too much and leads to the mistake to cut, reduces the scalpel and uses the degree of difficulty.

In one embodiment, the process of the control panel 14 controlling the indicator light 10 includes:

firstly, receiving a hydraulic signal transmitted by the hydraulic sensor 5;

then, judging the processed data information of the hydraulic signal, and determining the control result of the indicator light 10;

finally, the indicator lamp 10 executes the control result.

Has the advantages that: according to the technical scheme, the control panel controls the indicator lamp to be turned on and off according to the pressure value detected by the hydraulic sensor, operation prompt is carried out on a doctor through the turning-on and turning-off of the indicator lamp, operation errors in the operation process are avoided, in addition, the frequency of the hydraulic signal is considered to be transmitted in the process of processing the received hydraulic signal, the pressure value detected by the received hydraulic sensor is more accurate, and in addition, when the data information of the processed hydraulic signal is judged, the lower limit of the set range of the pressure value detected by the hydraulic sensor and the upper limit of the set range of the pressure value detected by the hydraulic sensor are combined, so that the sensitivity is extremely high.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. Gynaecology's chamber mirror minimal access surgery sword, its characterized in that includes:

the adjustable knife comprises an adjusting handle (1), a knife body (2) and a knife head (3) which are sequentially connected, wherein the knife head (3) is connected with the knife body (2) in a sliding manner, one end, far away from the knife body (2), of the adjusting handle (1) is rotatably connected with a dial (4), and a hydraulic sensor (5) is arranged in the knife body (2);

a first accommodating space is formed in the cutter body (2), the cutter head (3) is connected into the first accommodating space in a sliding mode, the cutter head (3) divides the first accommodating space into a first cavity (21) and a second cavity (22), the first cavity (21) is far away from the adjusting handle (1) and is arranged, the cutter head (3) penetrates through the first cavity (21), and the tip of the cutter head (3) extends outwards along the length direction of the cutter body (2);

the adjustment handle (1) comprises a shell (11), an adjustment part (12) and a driving part, wherein the shell (11) is connected with the cutter body (2), and the driving part comprises:

the third cavity (131) is arranged inside the shell (11), and the third cavity (131) is communicated with the second cavity (22);

a second accommodating space which is opened inside the shell (11) and is arranged on one side of the third cavity (131) far away from the cutter head (3);

a slider (132), wherein the slider (132) is slidably connected in the second accommodating space, and the slider (132) divides the second accommodating space into a fourth cavity (133) and a fifth cavity (134), wherein the fourth cavity (133) is arranged close to the third cavity (131);

the first communication pipe (135) is arranged between the third cavity (131) and the fourth cavity (133), and two ends of the first communication pipe (135) are respectively communicated with the third cavity (131) and the fourth cavity (133);

the sliding rod (136) is arranged in the fifth cavity (134), one end of the sliding rod (136) is fixedly connected with the sliding block (132), the other end of the sliding rod (136) penetrates through the shell (11) to be connected with the adjusting portion (12), and a plurality of threads are arranged on the sliding rod (136);

the second communication pipe (137) is arranged inside the shell (11) and the cutter body (2), one end of the second communication pipe (137) is communicated with the first cavity (21), and the other end of the second communication pipe (137) is communicated with the fifth cavity (134);

a regulating valve (6), the regulating valve (6) being mounted on the first communication pipe (135);

transmission liquid is arranged in the first cavity (21), the second cavity (22), the third cavity (131), the fourth cavity (133), the fifth cavity (134), the first communicating pipe (135) and the second communicating pipe (137);

the adjustment section (12) includes:

the rotating shaft (121), the rotating shaft (121) is connected to the shell (11) through a fixed seat, and one end of the rotating shaft (121) is connected with the dial (4);

the worm wheel (122), the said worm wheel (122) is connected to the said spindle (121);

a worm (123), wherein the worm (123) is arranged on one side of the worm wheel (122), and the worm (123) is in meshed connection with the worm wheel (122);

the motor (124), the said motor (124) is fixedly connected to the said body (11), the output end of the said motor (124) is connected with said worm (123);

the nut seat (125) is connected to the other end of the rotating shaft (121), a plurality of threads are arranged on the inner ring of the nut seat (125), and the nut seat (125) is in threaded connection with the sliding rod (136).

2. Gynaecological endoscopic minimally invasive surgical knife according to claim 1, characterized in that the hydraulic sensor (5) is mounted inside the knife body (2) and the sensing end of the hydraulic sensor (5) is arranged inside the third cavity (131).

3. The gynecologic endoscopic minimally invasive surgical knife according to claim 1, further comprising: the liquid extracting pipe (7) is arranged inside the shell (11) and the cutter body (2), one end of the liquid extracting pipe (7) penetrates through the end face of the cutter body (2) and the other end of the liquid extracting pipe (7) penetrates through the side wall of the shell (11); the liquid extracting pipe joint (8) is arranged on the side wall of the shell (11), and the liquid extracting pipe joint (8) is connected with the liquid extracting pipe (7).

4. The gynecologic endoscopic minimally invasive surgical knife according to claim 1, further comprising: control panel (14), adjustment button (9) and pilot lamp (10), control panel (14), adjustment button (9) and pilot lamp (10) set up in adjustment handle (1) outside, control panel (14) are connected with hydraulic sensor (5), regulation and control valve (6), adjustment button (9), pilot lamp (10) and motor (124) electricity.

5. Gynaecological endoscopic minimally invasive surgical knife according to claim 1, wherein the dial (4) is provided with annular graduation lines (41), the graduation of the annular graduation lines (41) being arranged corresponding to the moving distance of the knife head (3).

6. Gynaecological endoscopic minimally invasive surgical knife according to claim 4, wherein the process of the control panel (14) controlling the indicator light (10) comprises:

firstly, receiving a hydraulic signal transmitted by the hydraulic sensor (5);

then, judging the processed data information of the hydraulic signal, and determining the control result of the indicator light (10);

finally, the indicator light (10) executes the control result.