CN209984265U

CN209984265U - Suction catheter for hysteromyoma resection

Info

Publication number: CN209984265U
Application number: CN201920237014.3U
Authority: CN
Inventors: 张正男; 徐玉茵; 周静; 段书霞; 刘康博; 石沛龙; 王喜卫; 韩修恒; 刘帅超; 杨志平
Original assignee: Henan Yadu Industrial Co Ltd
Current assignee: Henan Yadu Industrial Co Ltd
Priority date: 2019-02-26
Filing date: 2019-02-26
Publication date: 2020-01-24
Anticipated expiration: 2029-02-26

Abstract

The utility model discloses a hysteromyoma excision is with attracting pipe, its characterized in that: the guide part is communicated with the cavity of the cutting part, the end part of the guide part is connected with a conduit, and the tail end of the conduit is connected with a negative pressure machine; the cutting part is a spherical cavity, an infrared sensor is arranged on the inner layer of the cutting part, and the infrared sensor is connected to the microprocessor; the inner layer of the cutting part is a cavity wall with adjustable diameter and formed by snake bones, all the snake bones are distributed in a radial direction and enclose a spherical cavity, the tail end of each snake bone is provided with an adjusting line, the bottom surface of the back section of each snake bone is a blade, the lower part of the back section of each snake bone is provided with a rotary cutting ring, and the rotary cutting ring and the bottom surface of the back section of each snake bone form a cutting surface. The suction catheter provided by the utility model solves the problem that the excision is not clean because a doctor uses a scalpel or surgical scissors, and avoids the hyperplasia recurrence caused by remaining myoma; the myoma after excision utilizes guide portion, pipe and negative pressure machine direct discharge affected part, avoids the myoma after the excision because of handling untimely, the landing is to other organs departments.

Description

Suction catheter for hysteromyoma resection

Technical Field

The utility model belongs to the field of medical equipment, concretely relates to hysteromyoma excision is with attracting pipe.

Background

Uterine fibroid is the most common benign tumor in female genital organs, and is one of the most common tumors in human body, also called fibroid and uterine fibroid; uterine fibroids are also called uterine leiomyomas, since they are mainly formed by the proliferation of uterine smooth muscle cells, in which a small amount of fibrous connective tissue is present as a supporting tissue.

For the treatment of the hysteromyoma, the prior art is commonly used with diagnosis-following observation, drug treatment and operation treatment, wherein the operation treatment has the fastest effect, most patients can recover only through myomectomy and healthy later treatment, and the myomectomy can help the patients to keep the uterus. Myomectomy is mainly to remove the myoma through the abdomen and is mostly to remove the myoma by adopting a scalpel or surgical scissors; but most of the surgical knives or surgical scissors can not completely remove the myoma and even can hurt normal smooth muscle; the myoma is mostly a small polyp in the operation, but when a doctor uses a scalpel or surgical scissors, the scalpel or the surgical scissors cannot be completely perpendicular to the root of the polyp, the excision angle is difficult to adjust, the myoma can only be excised by oblique cutting or oblique shearing, after the myoma is excised for the first time, residual myoma which cannot be excised due to the oblique cutting or the oblique shearing is often left in the myoma, the remaining part of the myoma is difficult to excise, and the myoma can only be treated through medicines; if the patient is not well recovered, the disease is easy to cause relapse and hyperplasia, and the pain and the economic expenditure of the patient are increased.

SUMMERY OF THE UTILITY MODEL

To the technical problem who exists among the above-mentioned prior art, the utility model aims at providing a hysteromyoma excision is with attracting pipe, can thoroughly excise hysteromyoma.

The purpose of the utility model is realized through the following technical scheme.

A suction catheter for hysteromyoma excision comprises a guide part, a excision part and an operation part, wherein the guide part and the excision part are respectively arranged into a cavity, the guide part is communicated with the cavity of the excision part, and the cavity comprises an inner layer, an outer layer and a hollow part positioned between the inner layer and the outer layer; the end part of the guiding part is connected with a guide pipe, and the tail end of the guide pipe is connected with a negative pressure machine; the operation part is independent of the guide part and the cutting part, and a microprocessor is arranged in the operation part;

the cutting part is a spherical cavity, the inner layer of the cutting part is sequentially provided with an infrared sensor from top to bottom in the opposite direction, the end part of the infrared sensor is arranged on the inner wall of the outer layer through a fixing structure, and the output line of the infrared sensor is connected to the microprocessor through the hollow part;

the inner layer of the cutting part is a cavity wall with adjustable diameter and formed by snake bones, all the snake bones are distributed in the radial direction and enclose a spherical cavity, the tail ends of the snake bones are provided with adjusting lines, all the adjusting lines are gathered together, and the gathered adjusting lines penetrate through the hollow part and are connected with an adjusting switch; the bottom surface of the posterior segment of the snake bone is a blade, the lower part of the posterior segment of the snake bone is provided with a rotary cutting ring, and the rotary cutting ring and the bottom surface of the posterior segment of the snake bone form a cutting surface;

the cutting part is provided with a slide rail, the slide rail is a circular track, the rotating cutting ring is arranged on the slide rail, a rotating line is arranged at any point on the rotating cutting ring, a rotating line track is arranged above the rotating cutting ring, the rotating line track is a semicircular track, the starting point of the rotating line track is positioned above the point of the rotating cutting ring where the rotating line is arranged, the semicircular tail end of the rotating line track is provided with a wire block, and a through hole is formed in the wire block; the rotating line track comprises a slide way with a slide groove in the middle and a sliding block arranged in the slide way, the sliding block comprises an A block with a through hole and a B block with the size larger than that of the slide groove opening, and the A block is fixedly connected with the B block; the rotating line sequentially penetrates through the sliding block, the wire block and the hollow part to be connected with the cutting switch, a reset tension spring is arranged between the rotating cutting ring and the sliding rail, and two ends of the reset tension spring are respectively connected with the rotating cutting ring and the sliding rail.

An auxiliary layer is arranged outside the outer layers of the guide part and the cutting part, an auxiliary hollow part is arranged between the auxiliary layer and the outer layer, a medicine feeding pipe and an air suction pipe are arranged in the auxiliary hollow part, the bottom end of the medicine feeding pipe is communicated with the bottom end of the cutting part, and the top end of the medicine feeding pipe is connected with a medicine feeding device; the bottom end of the air suction pipe is communicated with the bottom end of the cutting part, and the top end of the air suction pipe is connected with the negative pressure machine.

The medicine feeding device comprises a positive press, the top end of the medicine feeding pipe is connected with the positive press, a medicine feeding port is arranged at the upper part of the medicine feeding pipe, a one-way plate is arranged at the medicine feeding port, and a check valve is arranged in the medicine feeding pipe.

And a pressure sensor is arranged at the bottom end of the cutting part and is connected with the microprocessor.

The operation portion is provided with a display lamp, the display lamp is connected with the microprocessor, and the display lamp can display at least two colors.

The guide portion and the cut-out portion are both made of metal.

The utility model has the advantages that: the utility model provides a suction catheter, set up the ball chamber that the snake bone encloses and constitute the rotary cutting ring of cutting plane rather than the bottom in the excision portion, cooperate infrared sensor to detect the profile of myoma (polyp), after the detection finishes, operate snake bone and rotary cutting ring, excise from myoma (polyp) root, solved the doctor and used scalpel or surgical scissors and cause the problem that the excision is unclean, avoid leaving remaining myoma (polyp); the excised myoma (polyp) is directly discharged out of an affected part by using the guide part and the negative pressure machine, so that the excised myoma (polyp) is prevented from slipping to other organs due to untimely treatment; the suction catheter is provided with a medicine feeding pipe, and after the excised myoma (polyp) is discharged from an affected part, the affected part can be immediately fed with medicine through the medicine feeding pipe, so that the infection caused by time delay is avoided; during operation, the suction tube can suck out redundant blood, which is beneficial for doctors to observe the affected part and better performs the operation.

Drawings

Fig. 1 is a schematic diagram of an initial state of the structure of the first embodiment.

Fig. 2 is a partially enlarged view of a cut-away portion of the first embodiment.

Fig. 3 is a partially enlarged view of the rotary ring cutter and the slide rail according to the first embodiment.

Fig. 4 is a partial enlarged view of the rotation line orbit of the first embodiment.

FIG. 5 is a top view of the rotation-line track of the first embodiment.

Fig. 6 is a schematic view of an infrared sensor according to the first embodiment.

Fig. 7 is a schematic diagram of a cutting state of the structure according to the first embodiment.

Fig. 8 is a schematic structural diagram of the second embodiment.

Fig. 9 is a schematic diagram of the structure of the drug delivery tube according to the second embodiment.

In the figure, 1 is a guide part, 2 is a cut-out part, 3 is an operation part, 4 is an inner layer, 5 is an outer layer, 6 is a hollow part, 7 is an infrared sensor, 8 is a snake bone, 9 is a rotary cutting ring, 10 is an adjustment line, 11 is an auxiliary layer, 12 is an auxiliary hollow part, 13 is a medicine feeding pipe, 14 is an air suction pipe, 15 is a medicine feeding port, 16 is a one-way plate, 17 is a check valve, 18 is a myoma, 19 is a smooth muscle, 20 is a conduit, 21 is a slide rail, 22 is a rotation line, 23 is a rotation line rail, 24 is a slide rail, 25 is a slide block, 26 is a return tension spring, 27 is an a block, 28 is a B block, and 29 is a lead block.

Detailed Description

Example one

As shown in fig. 1-4, an aspiration catheter for hysteromyoma excision is used for hysteromyoma excision surgery, and comprises a guide part 1, a excision part 2 and an operation part 3, wherein the guide part 1 and the excision part 2 are both made of metal, the operation part 3 is independent of the guide part 1 and the excision part 2, a microprocessor is arranged in the operation part 3, and the microprocessor is used for receiving a detection signal of an infrared sensor 7 and judging and identifying the contour of a hysteromyoma 18 according to a preset program.

Be provided with the display lamp on the operation portion 3, the display lamp is connected with microprocessor, and the display lamp can show two kinds of colours, and initial colour is red, and the work colour is green, judges myoma 18 contours and can excise myoma 18 when microprocessor, and microprocessor control display lamp is become green by red, and the suggestion doctor can excise the action. Wherein microprocessor technology is well known to those of ordinary skill in the art.

The guide part 1 and the cut-off part 2 are both arranged into cavities, the cut-off part 2 is communicated with the cavity of the guide part 1, the cavities comprise an inner layer 4, an outer layer 5 and a hollow part 6 positioned between the inner layer 4 and the outer layer 5, the end part of the guide part 1 is connected with a conduit 20, the conduit 20 is a hose, the length of the conduit can be determined according to the field condition, and the conduit 20 is connected to a negative pressure machine. Wherein, the negative pressure machine is the prior art.

The guide unit 1 is connected to a catheter 20, the catheter 20 is connected to a negative pressure machine, and the excision unit 2 is used for excising the myoma 18.

The cutting part 2 is a spherical cavity, the inner layer 4 of the cutting part 2 is sequentially provided with an infrared sensor 7 in the opposite direction and from bottom to top, the end part of the infrared sensor 7 is arranged on the inner wall of the outer layer 5 through a fixing structure, and the infrared sensor 7 is connected with the microprocessor; the infrared sensor 7 is used for detecting the diameter of the myoma 18 entering the resection part 2, the infrared sensors 7 at different levels comprehensively detect the fibroid 18 outline, and when the diameter of the myoma 18 is reduced from the maximum to the position of 0.5mm-1mm, the microprocessor identifies the position as the root of the myoma 18 according to the detection signal of the infrared sensor 7. The output line of the infrared sensor 7 is connected to the microprocessor through the hollow portion 6.

The outer layer of the cutting part 2 is made of metal and is a hardware shell, the inner layer 4 is a cavity wall with adjustable diameter and formed by a snake bone 8, and the snake bone 8 is a common technical means in medical instruments. All the snake bones 8 are arranged in the radial direction and form a spherical cavity. The tail end of the snake bone 8 is provided with an adjusting wire 10, and the adjusting wire 10 is used for pulling the tail end of the snake bone 8 to contract; all the adjusting wires 10 are gathered together, the gathered adjusting wires 10 penetrate through the hollow part 6 and then are connected to the adjusting switch, the adjusting switch can also be arranged on the operating part 3, the adjusting switch is an adjusting handle, and the gathered adjusting wires 10 can be pulled, so that the opening and closing of all the snake bones 8 at the tail end are adjusted, and the diameter of the inner cavity is adjusted. The structure of the snake bone 8 can be the structure described in CN201310679858.0, and the structure and the principle of the snake bone are not described in detail in the present invention. The detection surface position of the infrared sensor 7 and the inner layer surface where the snake bone 8 is located are the same inner layer surface, the two layers are not interfered with each other, and the installation position of the infrared sensor 7 is reserved when the snake bone 8 is arranged.

The back end bottom surface of the inner snake bone 8 is a cutting edge, the lower part of the back end of the snake bone 8 is provided with a rotary cutter ring 9, the diameter of the rotary cutter ring 9 is slightly smaller than the bottom diameter of the resection part 2, the myoma 18 is biological tissue, the elasticity is realized, and the large myoma 18 can pass through the rotary cutter 9 by utilizing the biological characteristics of the large myoma 18. The rotary cutting ring 9 and the bottom surface of the back section of the snake bone 8 form a cutting surface.

The cutting part 2 is provided with a slide rail 21, the rotary cutting ring 9 is arranged in the slide rail 21, and the rotary cutting ring 9 always rotates on the slide rail 21 when cutting the myoma 18. A rotation line 22 is arranged at any point on the rotary cutting ring 9, a rotation line track 23 is arranged above the rotary cutting ring 9, the rotation line 22 is connected with a cutting switch through the rotation line track 23 and the hollow part 6, and the cutting switch can also be arranged on the operation part 3.

The rotation line track 23 is a semicircular track, and the starting point of the rotation line track 23 is positioned above the point of the rotation cutting ring 9 where the rotation line 22 is arranged, so that the sliding block 25 on the rotation line track 23 is ensured to be synchronous with the rotation of the rotation cutting ring 9. The semi-circle end of the rotating line track 23 is provided with a wire block 29, the wire block 29 is provided with a through hole, and the rotating line 22 passes through the wire block 29 and is used for ensuring that a force in the horizontal direction required by the circumferential rotation is applied to the sliding block 25, so that the sliding block 25 can do the circumferential motion. The rotating line track 23 comprises a slide way 24 with a slide way in the middle and a slide block 25 arranged in the slide way 24, the slide block 25 comprises an A block 27 with a through hole and a B block 28 with the size larger than that of the slide way opening, and the A block 27 is fixedly connected with the B block 28; the rotating line 22 sequentially passes through the sliding block 25, the wire block 29 and the hollow part 6 to be connected with a cutting switch; when the excision switch is operated, the rotating line 22 is pulled, the rotating line 22 is arranged in the A block and the lead block 29, the sliding block 25 can slide relatively, the lead block 29 is fixed, the A block of the sliding block 25 is acted by the force of the rotating line 22 to force the sliding block 25 to displace in the slide way to move circularly, the rotating line track 23 is a semicircular track to force the sliding block 25 to move semicircular, the rotating line 22 drives the rotating ring cutter 9 to start rotating, the rotating ring cutter 9 is acted by the rotating line 22 and the rotating line track 23 comprehensively, the rotating ring cutter 9 moves circularly, the rotating ring cutter 9 moves relative to the myoma 18 due to the fact that the snake bone 8 does not rotate, the myoma 18 is cut, and the cut myoma 18 is discharged out of an affected part through the guide part 1 and the guide pipe 20 under the effect that the negative pressure machine generates negative pressure.

A return tension spring 25 is arranged between the rotary cutting ring 9 and the slide rail 21, and two ends of the return tension spring 25 are respectively connected with the rotary cutting ring 9 and the slide rail 21. After the rotating line 22 pulls the rotating ring cutter 9 to move a semicircle, the cutting switch is operated (i.e. the cutting switch is not operated), and the rotating ring cutter 9 returns to the original position under the action of the return tension spring 26.

The working mode of the embodiment is as follows: when a doctor performs an operation, the suction catheter is slowly sleeved on the myoma 18, the resection part 2 is a cavity and is easy to cover the myoma 18, in the process that the resection part 2 is slowly sleeved at the myoma 18, the infrared sensor 7 on the inner layer of the resection part 2 detects the distance between the infrared sensor 7 and the surface of the myoma 18 in real time, the myoma 18 is mostly in a shape with a large top and a small bottom, and the signal value detected by the infrared sensor 7 can be correspondingly changed; the infrared sensor 7 at the lowest layer starts to detect distance signals first, the rest infrared sensors 7 detect signals in sequence, according to the change of the shape of the myoma 18, the signals detected by the infrared sensor 7 at the lowest layer change along with the shape of the myoma 18 until the maximum distance is detected (namely the minimum position of the myoma), the microprocessor judges that the position is the root of the myoma 18 according to a preset program, the display lamp on the microprocessor control operation part 3 changes color, the color is changed from red to green, and a doctor is prompted to start the excision action.

Place in attracting the pipe and put in place, the display lamp becomes green, doctor operates regulating switch, adjust line 10 after gathering through the regulating switch is taut, adjust line 10 pulls the back end of snake bone 8, make the back end of snake bone 8 tighten up, all snake bone 8 back ends tighten up, the ball chamber diameter that makes snake bone 8 constitute diminishes, myoma 18 is tightened up to 8 back ends of snake bone, it needs to explain, myoma 18 is tightened up to 8 back ends of snake bone, myoma 18 can take place certain deformation because of its biological tissue characteristic, be equivalent to fixed myoma 18, make it not take place the displacement, conveniently rotate ring sword 9 and cut myoma 18. The resection switch is operated, the rotating line 22 pulls the rotating ring cutter 9 to rotate in a semicircle way, and the rotating ring cutter 9 cuts the myoma 18 in the rotating process to resect the myoma 18; then, the negative pressure machine is turned on, and the negative pressure machine generates negative pressure to discharge the excised myoma 18 to the affected part through the guide part 1 and the catheter 20. Wherein, the inner blade of the rotary cutting ring 9 is as sharp as a common surgical knife, and is easy to cut biological tissues.

Example two

As shown in fig. 5 to 6, different from the first embodiment, an auxiliary layer 11 is disposed outside the outer layer 5 of the guiding portion 1 and the cutting portion 2, an auxiliary hollow portion 12 is disposed between the auxiliary layer 11 and the outer layer 5, a medicine feeding tube 13 and an air suction tube 14 are disposed in the auxiliary hollow portion 12, the bottom end of the medicine feeding tube 13 is communicated with the bottom end of the cutting portion 2, and the top end of the medicine feeding tube 13 is connected to a medicine feeding device; the bottom end of the air suction pipe 14 is communicated with the bottom end of the cutting part 2, and the top end of the air suction pipe 14 is connected with a negative pressure machine.

The medicine feeding device comprises a positive press, the top end of the medicine feeding pipe 13 is connected with the positive press, the upper part of the medicine feeding pipe 13 is provided with a medicine feeding port 15, a one-way plate 16 is arranged at the medicine feeding port 15, and a check valve 17 is arranged in the medicine feeding pipe 13.

The working mode of the embodiment is as follows: the process of removing the myoma 18 is the same as the first embodiment, except that in the operation process, if the affected part is found to have more blood, the doctor operates the negative pressure machine to generate a certain amount of negative pressure (without injuring normal biological tissues), and the blood at the affected part is sucked away through the air suction pipe 14, so that the doctor can perform the operation better.

After the excised myoma 18 is sucked away, a doctor adds the medicine to be coated on the affected part into the medicine feeding tube 13 through the medicine feeding port 15, the medicine falls on the check valve 17 in the medicine feeding tube 13, the check valve 17 needs to be opened under certain acting force, and the check plate 16 at the medicine feeding port 15 is used for preventing the medicine from being blown out of the medicine feeding tube 13 during medicine feeding; the doctor operates the positive pressure machine to blow air to the medicine feeding tube 13, the check valve 17 is blown by wind power, and the medicine is delivered to the affected part through the bottom opening of the cutting part 2 under the action of the wind power of the positive pressure machine to coat the affected part with a certain amount. Wherein the positive pressure machine is subjected to medical treatment. The rest is the same as the first embodiment.

EXAMPLE III

Unlike the first embodiment, the present embodiment is provided with a pressure sensor at the bottom end of the cut-out portion 3, and the pressure sensor is connected to a microprocessor.

When the cutting part 3 is completely arranged on the smooth muscle 19, the pressure sensor is contacted with the smooth muscle 19 to generate pressure, and the pressure signal value is transmitted to the microprocessor, and the microprocessor determines that the cutting part 2 is completely arranged on the smooth muscle 19 according to the value of the pressure sensor, and judges that the doctor can start the excision action. The rest is the same as the first embodiment.

The above description is only a preferred embodiment of the present invention, and is not a limitation to the technical solution of the present invention, and it should be noted that, further improvements and changes can be made by those skilled in the art on the premise of the technical solution of the present invention, and all such improvements and changes should be covered in the protection scope of the present invention.

Claims

1. A suction catheter for hysteromyoma excision, which is characterized in that: the suction catheter comprises a guide part (1), a cutting part (2) and an operation part (3), wherein the guide part (1) and the cutting part (2) are both arranged into cavities, the guide part (1) is communicated with the cavity of the cutting part (2), and the cavities comprise an inner layer (4), an outer layer (5) and a hollow part (6) positioned between the inner layer (4) and the outer layer (5); the end part of the guide part (1) is connected with a conduit (20), and the tail end of the conduit (20) is connected with a negative pressure machine; the operation part (3) is independent of the guide part (1) and the cutting part (2), and a microprocessor is arranged in the operation part (3);

the cutting part (2) is a spherical cavity, the inner layer of the cutting part (2) is sequentially provided with an infrared sensor (7) from top to bottom in the opposite direction, the end part of the infrared sensor (7) is arranged on the inner wall of the outer layer (5) through a fixing structure, and the output line of the infrared sensor (7) is connected to the microprocessor through the hollow part (6);

the inner layer of the cutting part (2) is a cavity wall which is formed by snake bones (8) and has adjustable diameter, all the snake bones (8) are distributed in a radial direction to form a spherical cavity, the tail end of each snake bone (8) is provided with an adjusting line (10), all the adjusting lines (10) are gathered together, and the gathered adjusting lines (10) penetrate through the hollow part (6) and are connected with an adjusting switch; the bottom surface of the back section of the snake bone (8) is a blade, a rotary cutting ring (9) is arranged at the lower part of the back section of the snake bone (8), and the rotary cutting ring (9) and the bottom surface of the back section of the snake bone (8) form a cutting surface;

a sliding rail (21) is arranged on the cutting part (2), the sliding rail (21) is a circular rail, the rotary cutting ring (9) is arranged on the sliding rail (21), a rotating line (22) is arranged at any point on the rotary cutting ring (9), a rotating line rail (23) is arranged above the rotary cutting ring (9), the rotating line rail (23) is a semicircular rail, the starting point of the rotating line rail (23) is positioned above the point of the rotary cutting ring (9) where the rotating line (22) is arranged, a lead block (29) is arranged at the semicircular tail end of the rotating line rail (23), and a through hole is formed in the lead block (29); the rotating line track (23) comprises a slide way (24) with a sliding groove in the middle and a sliding block (25) arranged in the slide way (24), the sliding block (25) comprises an A block (27) with a through hole and a B block (28) with the size larger than that of the sliding groove opening, and the A block (27) is fixedly connected with the B block (28); the rotating line (22) sequentially penetrates through the sliding block (25), the wire guide block (29) and the hollow part (6) to be connected with a cutting switch, a reset tension spring (26) is arranged between the rotating cutting ring (9) and the sliding rail (21), and two ends of the reset tension spring (26) are respectively connected with the rotating cutting ring (9) and the sliding rail (21).

2. The suction catheter for myomectomy according to claim 1, wherein: an auxiliary layer (11) is arranged outside the outer layer (5) of the guide part (1) and the cutting part (2), an auxiliary hollow part (12) is arranged between the auxiliary layer (11) and the outer layer (5), a medicine feeding pipe (13) and an air suction pipe (14) are arranged in the auxiliary hollow part (12), the bottom end of the medicine feeding pipe (13) is communicated with the bottom end of the cutting part (2), and the top end of the medicine feeding pipe (13) is connected with a medicine feeding device; the bottom end of the air suction pipe (14) is communicated with the bottom end of the cutting part (2), and the top end of the air suction pipe (14) is connected with a negative pressure machine.

3. The suction catheter for hysteromyomectomy according to claim 2, wherein: the medicine feeding device comprises a positive press machine, the top end of a medicine feeding pipe (13) is connected with the positive press machine, a medicine feeding port (15) is formed in the upper portion of the medicine feeding pipe (13), a one-way plate (16) is arranged at the medicine feeding port (15), and a check valve (17) is arranged in the medicine feeding pipe (13).

4. The suction catheter for hysteromyomectomy according to claim 1 or 2, wherein: the bottom end of the cutting part (2) is provided with a pressure sensor, and the pressure sensor is connected with a microprocessor.

5. The suction catheter for hysteromyomectomy according to claim 1 or 2, wherein: and a display lamp is arranged on the operation part (3), the display lamp is connected with the microprocessor, and the display lamp can display at least two colors.

6. The suction catheter for hysteromyomectomy according to claim 1 or 2, wherein: the guide portion (1) and the cut-out portion (2) are made of metal.