CN217285895U

CN217285895U - Hysteroscopic myoma traction device

Info

Publication number: CN217285895U
Application number: CN202220682598.7U
Authority: CN
Inventors: 王悦; 吴志新; 岳计强
Original assignee: Womens Hospital of Zhejiang University School of Medicine; Hangzhou Kangji Medical Instrument Co Ltd
Current assignee: Womens Hospital of Zhejiang University School of Medicine; Hangzhou Kangji Medical Instrument Co Ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-08-26
Anticipated expiration: 2032-03-25

Abstract

The utility model belongs to the technical field of medical instrument, especially, relate to a myoma tractive device under hysteroscope. The utility model discloses to the myoma that slightly processes to the palace chamber or hug closely the inner membrance among the prior art, the art person need open the inner membrance or even shallow muscular layer, and operation time is long, takes place serious operation complication easily, and is difficult to cut the myoma clean problem, provides a myoma tractive device under hysteroscope, including handle and the action bars of sliding connection on the handle, the one end fixedly connected with puncture sleeve of handle, sliding connection has the push rod in the puncture sleeve, the one end of push rod is connected on the action bars, and the other end is pressed and is established on the tractive piece that has the barb structure. The utility model discloses be equipped with the tractive piece in the puncture sleeve pipe, usable puncture sleeve pipe impales the myometrium during use and makes the tractive piece through and tightly grab the tumour nuclear, and tractive tumour nuclear makes the myoma of 2-3 type change into 0-1 type, the follow-up operation of the operation of being convenient for.

Description

Hysteroscopic myoma traction device

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a myoma tractive device under hysteroscope.

Background

Uterine fibroids are the most common benign tumors of the female reproductive tract. Clinical manifestations and treatment regimens also differ depending on the growth site and size of the fibroid. The clinical manifestation of the myoma affecting the uterine cavity or being close to the intima is most obvious, the influence on the fertility is also the most, and the myoma is a type of myoma needing to be treated clinically. According to the FIGO classification, these fibroids are predominantly of type 0-3. Wherein, the 0 type is completely protruded to the uterine cavity, the hysteroscope is easy to process, while the part of the 1-3 type protruded to the uterine cavity is smaller and smaller, namely the part in the myometrium is bigger and bigger, which causes difficulty for the operation of the hysteroscope and increases the operation risks of bleeding, perforation of uterus, water poisoning and the like.

In clinical work, in order to treat myoma which slightly protrudes to a uterine cavity or is tightly attached to an intima, an operator needs to cut the intima or even a superficial muscular layer, expose a tumor core and go deep into the muscular layer for cutting, the operation difficulty is huge when the tumor cavity is wide, the operation time is long, serious operation complications are easy to occur, and the myoma is difficult to cut completely.

Therefore, a fixed traction device is needed to be used for tightly grasping the tumor nucleus, and simultaneously gradually traction the tumor nucleus to the uterine cavity in the operation process to convert the type 2-3 myoma into the type 0-1 myoma, so that the rapid and safe surgical removal of the uterine myoma is realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a myoma tractive device under hysteroscope.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a myoma tractive device under hysteroscope, includes handle and the action bars of sliding connection on the handle, the one end fixedly connected with puncture sleeve pipe of handle, sliding connection has the push rod in the puncture sleeve pipe, the one end of push rod is connected on the action bars, and the other end is pressed and is established on the tractive piece that has the barb structure.

In the hysteroscope lower myoma traction device, the traction piece is positioned in the puncture sleeve, and the sliding operating rod can push the traction piece out of the puncture sleeve through the push rod.

In the hysteroscope lower myoma traction device, the traction piece is positioned in the puncture sleeve and is in a deformation and tensioning state, and after the traction piece is pushed out of the puncture sleeve, the traction piece is switched to a stretching state.

In the hysteroscopic myoma traction device, the traction piece comprises a traction arm, and at least one retractable or extendable traction barb is arranged on at least one side of the traction arm.

In the hysteroscopy myoma traction device, the traction arm and the traction barb are integrally formed, and the traction arm and the traction barb are both made of elastic high polymer materials.

In the hysteroscope lower myoma traction device, a yielding hollow part is further arranged at the joint of the traction barb and the traction arm.

In the hysteroscope lower myoma traction device, the traction barbs are provided with a plurality of traction barbs which are all positioned at the same side of the traction arm, and every two traction barbs are parallel to each other.

In the hysteroscope lower myoma traction device, the traction piece further comprises a traction ring, and the traction ring is fixedly connected to one end of the traction arm far away from the traction barb.

In the hysteroscope lower myoma traction device, the hysteroscope lower myoma traction device further comprises a channel which runs through the operating rod and the puncture sleeve, the pull rope is arranged in the channel, one end of the pull rope is connected to the traction piece, and the other end of the pull rope extends out of the operating rod.

In the hysteroscope lower myoma traction device, a return spring is further arranged in the handle, one end of the return spring is pressed on the handle, and the other end of the return spring is pressed on the end part of the operating rod.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses be equipped with the tractive piece in the puncture sleeve pipe, usable puncture sleeve pipe impales the myometrium during use and makes the tractive piece through and tightly grab the tumour nuclear, and tractive tumour nuclear makes the myoma of 2-3 type change into 0-1 type, the follow-up operation of the operation of being convenient for.

2. The utility model discloses at the inside passageway that sets up of push rod and action bars, the stay cord passes through the passageway and extends and connect on tractive spare, can only leave tractive spare and stay cord after the tractive is accomplished, so do not occupy the apparatus passageway, the operation of being convenient for.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic view of the structure of the pull member;

fig. 3 is a schematic structural diagram of the present invention;

fig. 4 is a use state diagram of the present invention;

fig. 5 is another usage state diagram of the present invention;

in the figure: the puncture needle comprises a handle 1, an operating rod 2, a puncture cannula 3, a push rod 4, a traction piece 5, a pull rope 6, a channel 7, a return spring 8, a traction arm 51, a traction barb 52, an abdicating hollow 53 and a traction ring 54.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, a hysteroscope lower myoma traction device comprises a handle 1 and an operating rod 2 connected to the handle 1 in a sliding manner, wherein one end of the handle 1 is fixedly connected with a puncture sleeve 3, a push rod 4 is connected to the puncture sleeve 3 in the sliding manner, one end of the push rod 4 is connected to the operating rod 2, and the other end of the push rod 4 is pressed on a traction piece 5 with a barb structure. The pulling element 5 is positioned inside the puncture cannula 3 and the sliding operating rod 2 can push the pulling element 5 out of the puncture cannula 3 by the push rod 4.

The utility model discloses, during the use, utilize puncture sleeve pipe 3 to pierce through the muscular layer, promote action bars 2 again, action bars 2 promotes push rod 4 and makes tractive piece 5 released outside puncture sleeve pipe 3, and tractive piece 5 contacts and tightly grabs the tumour nuclear with the tumour nuclear this moment to the realization is to the drawing of tumour nuclear. The event the utility model discloses be equipped with tractive spare 5 in the puncture sleeve pipe, usable puncture sleeve pipe 3 pierces through the myometrium during the use and makes tractive spare 4 through and tightly grab the tumour nuclear, and tractive tumour nuclear makes the myoma of 2-3 types change into 0-1 type, the follow-up operation of the operation of being convenient for.

Referring to fig. 1 and 3, the pulling element 5 is located inside the puncture cannula 3 and is in a deformed and tensioned state, and after the pulling element 5 is pushed out of the puncture cannula 3, the pulling element 5 is switched to an extended state. When the traction piece 5 is pushed out of the puncture cannula 3, the traction piece 5 can automatically bounce to realize the grasping of the tumor nucleus.

As shown in fig. 2, the pulling member 5 comprises a pulling arm 51, at least one retractable or extendable pulling barb 52 is arranged on at least one side of the pulling arm 51, and the pulling barb 52 is a barb structure. The pulling arm 51 and the pulling barb 52 are integrally formed, and both the pulling arm 51 and the pulling barb 52 are made of elastic polymer materials.

The integral structure strength of the drawing piece 5 can be ensured by integrally forming the drawing arm 51 and the drawing barb 52, and the elastic polymer material can be medical elastic polymer material in the prior art, such as PE, PP, PET, PU and the like. When the pulling barb 52 is positioned in the puncture cannula 3, the pulling barb 52 is in a compressed state under the pressure of the inner wall of the puncture cannula 3, when the pulling barb is pushed out of the puncture cannula 3, the external pressure disappears, and the pulling barb 52 automatically bounces off due to the elasticity of the material to hook the tumor core.

Preferably, the pulling barbs 52 are provided in several numbers and are all located on the same side of the pulling arm 51, and every two pulling barbs 52 are parallel to each other. Therefore, the pulling force applied to the tumor nuclei by each pulling barb 52 can be ensured to be parallel to each other, so that a larger resultant force is obtained, and the pulling effect is more stable.

Preferably, the junction of the pulling barb 52 and the pulling arm 51 is further provided with a relief hollow 53. The arrangement of the abdicating hollow part 53 can facilitate the traction barb 52 to keep a contraction state in the puncture cannula 3, and avoid the interference between the traction barb 52 and the traction arm 51 when the traction barb 52 contracts.

As shown in fig. 1-3, the pulling member 5 further comprises a pulling loop 54, and the pulling loop 54 is fixedly connected to an end of the pulling arm 51 far from the pulling barb 52. The puncture needle further comprises a channel 7 which penetrates through the operating rod 2 and the puncture sleeve 3, the pull rope 6 is arranged in the channel 7, one end of the pull rope 6 is connected to the traction piece 5, and the other end of the pull rope extends out of the operating rod 2. One end of the pull rope 6 is attached to the pulling loop 54.

As shown in fig. 1, a return spring 8 is further arranged in the handle 1, one end of the return spring 8 is pressed on the handle 1, and the other end is pressed on the end of the operating rod 2. After the operating rod 2 pushes the traction piece 5, the return spring 8 is compressed, and after the traction piece 5 grasps the tumor nucleus, the operating rod 2 is reset under the elastic action of the return spring 8.

The utility model discloses a theory of operation is: in use, the pulling member 5 is positioned within the puncture cannula 3 with the pulling barb 52 compressed in the retracted state. The puncture cannula 3 is utilized to puncture the muscular layer, the operating rod 2 is pushed to compress the return spring 8, the operating rod 2 pushes the push rod 4 to enable the traction piece 5 to be pushed out of the puncture cannula 3, at the moment, the external pressure disappears, the traction barb 52 automatically bounces off due to the elasticity of the material to hook the tumor nucleus, and therefore traction on the tumor nucleus is achieved, namely the state shown in fig. 4 is achieved. And then the handle 1 is held, the components such as the handle 1, the puncture cannula 3 and the like are withdrawn from the operation area, only the traction piece 5 and the pull rope 6 bound on the traction piece 5 are left, and the pull force is applied to the tumor nucleus through the pull rope 6. The event the utility model discloses be equipped with tractive spare 5 in the puncture sleeve pipe, usable puncture sleeve pipe 3 pierces through the myometrium during the use and makes tractive spare 4 through and tightly grab the tumour nuclear, and tractive tumour nuclear makes the myoma of 2-3 types change into 0-1 type, the follow-up operation of the operation of being convenient for.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms handle 1, lever 2, puncture cannula 3, push rod 4, pull 5, pull cord 6, channel 7, return spring 8, pull arm 51, pull barb 52, offset cutout 53, pull ring 54, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a myoma draw-off device under hysteroscope, includes handle (1) and operating lever (2) of sliding connection on handle (1), its characterized in that: one end of the handle (1) is fixedly connected with a puncture cannula (3), a push rod (4) is connected in the puncture cannula (3) in a sliding manner, one end of the push rod (4) is connected to the operating rod (2), and the other end of the push rod is pressed on a traction piece (5) with a barb structure.

2. The hysteroscopic myoma pulling apparatus of claim 1, further comprising: the traction piece (5) is positioned in the puncture cannula (3), and the sliding operating rod (2) can push the traction piece (5) out of the puncture cannula (3) through the push rod (4).

3. The hysteroscopic fibroid retraction device of claim 2, wherein: the traction piece (5) is positioned in the puncture cannula (3) and is in a deformation tensioning state, and after the traction piece (5) is pushed out of the puncture cannula (3), the traction piece (5) is switched to a stretching state.

4. The hysteroscopic myoma pulling apparatus of claim 1, further comprising: the pulling piece (5) comprises a pulling arm (51), and at least one retractable or extendable pulling barb (52) is arranged on at least one side of the pulling arm (51).

5. The hysteroscopic myoma pulling device of claim 4, further comprising: the traction arm (51) and the traction barb (52) are integrally formed, and the traction arm (51) and the traction barb (52) are both made of elastic polymer materials.

6. The hysteroscopic fibroid retraction device of claim 5, wherein: and a yielding hollow part (53) is further arranged at the joint of the traction barb (52) and the traction arm (51).

7. The hysteroscopic fibroid retraction device of claim 4, wherein: the pulling barbs (52) are arranged on the same side of the pulling arm (51), and every two pulling barbs (52) are parallel to each other.

8. The hysteroscopic fibroid retraction device of claim 4, wherein: the traction piece (5) further comprises a traction ring (54), and the traction ring (54) is fixedly connected to one end, far away from the traction barb (52), of the traction arm (51).

9. The hysteroscopic fibroid retraction device of claim 1, wherein: the puncture needle is characterized by further comprising a channel (7) penetrating through the operating rod (2) and the puncture sleeve (3), the pull rope (6) is arranged in the channel (7), one end of the pull rope (6) is connected to the traction piece (5), and the other end of the pull rope (6) extends out of the operating rod (2).

10. The hysteroscopic fibroid retraction device of claim 1, wherein: still be equipped with reset spring (8) in handle (1), reset spring (8) one end is pressed and is established on handle (1), and the other end is pressed and is established at action bars (2) tip.