CN214231431U

CN214231431U - Hemostatic device for cerclage of external opening of cervix

Info

Publication number: CN214231431U
Application number: CN202022944475.XU
Authority: CN
Inventors: 张重医
Original assignee: Individual
Current assignee: Xi'an Zhongke Mingyi Medical Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-09-21
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a hemostat for ceruical external orifice cerclage, which comprises an operating handle and a cerclage wire. The operating handle comprises a shell, a telescopic sleeve and a sleeve which are nested with the shell and are in threaded fit with the shell, two ends of the cerclage wire are respectively connected to the sleeve and the sleeve, and the operating rod connected to the sleeve is rotated to enable the cerclage wire ring to be tightened or loosened, so that the external opening of the cervix is cerclaged or the cerclage wire ring is separated from the cerclage part. The hemostat can effectively cerclage the cervix, remarkably reduces the bleeding in the cold knife conization operation of the cervix, shortens the operation time, avoids the side effect caused by local injection of hemostatic drugs, and realizes the cerclage process through operating the part of the hemostat outside the vagina, and is convenient and safe to operate.

Description

Hemostatic device for cerclage of external opening of cervix

Technical Field

The utility model relates to a hemostat for reducing bleeding in cervical cold knife conization, in particular to a ceruical external orifice cerclage hemostat.

Background

With the popularization of cervical cancer screening, more and more cervical diseases need to be treated by cold knife conization cervical treatment. The blood vessels of the cervix are rich and are all tiny blood vessels, bleeding is difficult to stop in the cervical cold knife conization process, the bleeding is more often, the operation time is prolonged due to more bleeding, the bleeding risk is aggravated due to the prolonged operation time, and the bleeding amount is generally between 40 and 100mL according to different operation conditions.

At present, vasoconstriction medicine pituitrin is locally injected into the cervix for realizing hemostasis, but the pituitrin is metabolized quickly and has short half-life in a human body, so that bleeding occurs before partial operations are completed, the medicine needs to be injected repeatedly, different individuals have difference in sensitivity to the medicine, the medicine dosage is difficult to accurately grasp, the medicine injection amount is too large, the side effect is correspondingly large, the medicine injection amount is too small, the hemostasis effect is poor, and the bleeding is increased.

Because the top of the cervix is deep, it is difficult to use hemostatic forceps and other instruments to stop bleeding. Chinese patent CN209360791U discloses a water sac device for compression hemostasis and cervical ring ligation of cervix, which can extend a water sac into the inner opening of cervix via an outer wall through tube for compression hemostasis, but compression hemostasis is not suitable for the outer opening of cervix. Chinese patent CN202015216U discloses a cervical snare which uses a snap ring to tighten a loop formed by a loop tie wire to temporarily block blood flow by looping the cervix, thereby preventing bleeding. Although hemostasis is realized through cerclage of the external opening of the cervix, the snare needs to be broken by a sharp blade after the operation is finished, and secondary cervical damage and bleeding are easily caused.

There is a need to provide an instrument for effectively stopping bleeding of the cervix during the cervical cold knife coning process.

Disclosure of Invention

An object of the utility model is to provide a cervical external orifice cerclage haemostat.

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

the hemostat comprises an operating handle and a ligature, wherein the operating handle comprises a shell, a first core body and a second core body, the first core body and the second core body can move (partially extend out of or retract into the shell) in a telescopic mode along the shell, two ends of the ligature are respectively connected with the first core body and the second core body correspondingly, one part of the ligature extends out of the shell, and the part forms a loop structure which can be automatically folded and unfolded along with the movement of the first core body and/or the second core body.

Preferably, the housing is tubular.

Preferably, the first core includes sleeve and control rod, is provided with the screw thread on the telescopic outside wall, and the sleeve links to each other (with the screw thread that sets up the interior wall in the shell) through this screw thread and shell internal wall, and the one end of control rod links to each other with the sleeve, and the other end of control rod stretches out outside the shell, and the one end of ligature links to each other with the sleeve, and the other end of ligature runs through the sleeve.

Preferably, the operating rod is arranged on the bottom end face of the sleeve, and a wire hole is further formed in the bottom end face of the sleeve, and the cerclage wire penetrates through the wire hole.

Preferably, the second core includes a sleeve, a thread is provided on an outer side wall surface of the sleeve, the sleeve is connected with an inner wall surface of the housing through the thread (matched with the thread provided on the inner wall surface of the housing), a wire connection mechanism for fixing a wire of the ring wire and rotating relative to a corresponding end of the sleeve is provided at one end of the sleeve, a corresponding end of the ring wire is connected with a rotating portion of the wire connection mechanism, and the other end of the sleeve extends out of the housing.

Preferably, the first core is located adjacent the front end of the housing (outside of which the collar structure is located), also referred to as the adjustment core, and the second core is located remote from the front end of the housing, also referred to as the traction core, and the portions of the first and second cores that extend outside of the housing are located adjacent the rear end of the housing (e.g., the lever extends through the sleeve in a nested relationship with the lever and sleeve extending from the rear end of the housing).

Preferably, the cerclage line is provided with stabs which are arranged at intervals.

The beneficial effects of the utility model are embodied in:

the utility model provides a haemostat utilizes first core and second core to tighten the cerclage line from both ends to carry out cervical cerclage to cervical external orifices side, the cerclage line receive and releases freely, can show the art of reducing the cervix and bleed, and shorten the operation time, avoided local injection hemostatic medicine, have convenient operation, safe advantage.

Further, the utility model discloses in, first core and second core have adopted sleeve and the sleeve pipe structure go-between ligature that has the external screw thread respectively, to not equidimension and depth position's cervical outer mouthful homoenergetic effectively implement the cerclage.

Further, the utility model discloses in, first core next-door neighbour shell front end can be through adjusting self position directly or with the help of the effect to the cerclage wire, tightly push up cerclage wire and cervix to improve the cerclage effect.

Furthermore, the utility model discloses in, cerclage line surface has thorn form thing, can prevent the lasso structure part slippage of cerclage line from the cervix in-process of cerclage cervix to improve cerclage effect.

Drawings

Fig. 1 is an external configuration view of a cervical external orifice cerclage hemostat in example 1;

fig. 2 is a schematic view of the internal structure of the external cervical cerclage hemostat in example 1;

FIG. 3 is a schematic view of the connection of the sleeve and the lever;

FIG. 4 is a schematic view of the lever mounting end of the sleeve;

FIG. 5 is a schematic structural view of the bushing;

FIG. 6 is a schematic view of the cerclage connection end of the sleeve;

fig. 7 is a schematic view of cerclage of the cervix by the external cervical orifice cerclage hemostat; wherein: (a) the cerclage wire is sleeved in the cervix; (b) the cerclage wire tightens the cervix.

In the figure: the device comprises a shell 1, an adjusting core body 2, a sleeve 21, an operating rod 22, a wire hole 211, a traction core body 3, a wiring mechanism 31, a bearing outer ring 311, a bearing inner ring 312, a sleeve 32, a cerclage wire 4, a cervix 5, a cerclage wire starting point 6 and a cerclage wire finishing point 7.

Detailed Description

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

Example 1

Referring to fig. 1 and 2, the hemostatic device for ceruical external orifice cerclage of the present invention comprises a tubular shell 1 (with a length of about 20 cm), an adjusting core 2, a traction core 3 and a cerclage line 4, wherein the shell 1, the adjusting core 2 and the traction core 3 form an operating handle. The adjusting core 2 and the pulling core 3 are respectively arranged in the shell 1 in a nesting mode. One end of the cerclage wire 4 is fixed at the front end of the adjusting core body 2 (forming a cerclage wire starting point 6), a section of the cerclage wire 4 adjacent to the end extends out of the shell 1 and returns back to the shell 1, so that a ferrule is formed outside the front end of the shell 1, and the other end of the cerclage wire 4 is fixed at the front end of the traction core body 3 in the shell 1 (forming a cerclage wire terminal point 7). The rear end of the traction core body 3 and the rear end of the adjustment core body 2 are both arranged outside the same end (rear end) of the shell 1, so that after the other end (front end) of the shell 1 is sent into a vagina and cervix combining part, the cerclage wire 4 at the front end of the shell 1 can be looped outside the vagina and cerclage of the cervix at the external cervix mouth side can be completed. The cerclage wire 4 is made of a wire material (such as a nylon wire, a plastic wire and a metal wire) with certain hardness, and the surface of the cerclage wire is provided with a plurality of small thorn-shaped bulges which are distributed at intervals so as to increase the friction force between the cerclage wire 4 and a cervical cerclage part (the external opening side of the cervix) and prevent the cerclage wire 4 from slipping off.

Referring to fig. 3 and 4, the adjusting core 2 includes a sleeve 21 and an operating lever 22 connected to the center of the bottom of the sleeve 21, a wire hole 211 is formed in the bottom of the sleeve 21 at a position outside the center of the sleeve 21, one end of the cerclage wire 4 is fixed on the edge of the top opening of the sleeve 21, the other end of the cerclage wire penetrates into the sleeve 21, and the wire hole 211 penetrates out of the sleeve 21. The outer wall of sleeve 21 is processed to have the screw thread, can with the screw thread cooperation of shell 1 inner wall, has realized on the one hand adjusting core 2 and shell 1's being connected, on the other hand through rotatory terminal (adjusting core 2 rear end promptly) expose the control lever 22 in the shell 1 rear end outside, can adjust the contact tightness degree of ring (being close to cerclage line starting point 6 one side) and the cervical cerclage position of emboliaing ring 4 lasso of ring.

Referring to fig. 5 and 6, the traction core 3 is mainly a sleeve 32, one end face of the sleeve 32 is opposite to the bottom of the sleeve 21, and a wiring mechanism 31 formed by a ball bearing is mounted on the end face of the sleeve 32, and the cerclage wire 4 penetrating through the sleeve 21 is connected to the inner ring of the ball bearing, and the outer ring of the ball bearing is fixed on the end face of the sleeve 32 (and is not in contact with the inner wall of the housing 1). The outer wall processing of sleeve pipe 32 has the screw thread, inside confession control rod 22 passes (control rod 22 has also passed ball bearing simultaneously), the outer wall of sleeve pipe 32 can with the screw-thread fit of shell 1 inner wall, expose the terminal (drawing core 3 rear end promptly) outside the shell 1 rear end through rotatory sleeve pipe 32, can make the sleeve pipe 32 other end move in the telescopic movement of shell 1, thereby change the interval with the sleeve 21 bottom, because line hole 211 position is fixed (under the condition of not rotating control rod 22), with the help of the rotation of ball bearing inner circle, can realize the (push-and-pull) effect of drawing to cerclage line 4 (specific position is cerclage line terminal 7) along with the telescopic movement of sleeve pipe 32, reach lax or tighten up the mesh of cerclage line 4 lasso.

Referring to fig. 7, the using method of the external cervical ligation hemostat is as follows:

before operation, the front end of the operating handle is sent into the vagina to reach the external cervical orifice, the rear end of the operating handle is screwed to pull the part (namely, the exposed part) of the core body 3 (the sleeve 32) extending out of the shell 1, so that the radial size of the ring ligature 4 is properly expanded (different patients have different sizes and different positions of the external cervical orifice due to individual differences), and the ring ligature is sleeved on the external cervical orifice (fig. 7 a). The rear end of the reverse screwing operation handle pulls the corresponding exposed part of the core body 3, and the corresponding part of the cervix 5 is tightened by the cerclage wire 4; meanwhile, the rear end of the operating handle can be screwed to adjust the part of the core body 2 (operating rod 22) exposed out of the shell 1, so that the loop of the cerclage wire 4 completely contacts and presses the nesting part of the cervix 5 (fig. 7 b).

After operation, the adjusting core body 2 and the traction core body 3 are respectively screwed in opposite directions, so that the ring of the cerclage wire 4 sleeved on the cervix 5 is loosened, and the ring of the cerclage wire 4 can be pulled out from the external opening side of the cervix by pulling the operating handle outwards.

Examples of the applications

When the cold knife coning treatment of the cervix is needed, a speculum is put into the vaginal opening, then the speculum is sent into the external cervical opening cerclage hemostat, the rear end of the operating handle is rotated, so that the cerclage wire 4 is sleeved in the position of the cervix 5 needing cerclage at the external cervical opening side and cerclage is performed (the cerclage wire 4 is tightened by rotating the traction core body 3, the adjustment core body 2 is properly rotated), and then the cold knife coning treatment is performed. After the treatment is finished, the rear end of the operating handle is rotated again, so that the cervical cerclage hemostat can be separated from the cervix 5.

Example 2

In contrast to embodiment 1, instead of the ball bearings, laminated and coaxially nested hollow slides are used as the connection means 31, wherein the lower slide is fixed to the end face of the sleeve 32 and the upper slide is connected to the cerclage wire 4 that passes through the sleeve 21.

In a word, cervical outer orifice cerclage haemostat can accurately send the cerclage line to the position that the deep cervical outer orifice of vagina needs cerclage to the realization is handled the effective cerclage of cervix, can show the hemorrhage that reduces the patient in the cold sword awl of cervix is cut the operation, and reduces operation time, has also avoided local injection medicine to stanch a series of side effects that lead to. The operation handle of the hemostat is a tubular slender structure, can be operated outside a vagina, is easier to adjust the tightness degree of the ligation wire ferrule, reduces the postoperative secondary bleeding risk caused by the operation of instruments, and has the advantages of convenient and safe operation.

Claims

1. The utility model provides a cervical external orifice cerclage haemostat which characterized in that: including operating handle and ligature (4), operating handle includes shell (1) and can follow the first core and the second core of shell (1) flexible removal, and the both ends of ligature (4) correspond with first core and second core respectively and link to each other, and the part that ligature (4) stretched out outside shell (1) forms the lasso structure.

2. The hemostat for external cervical ligation according to claim 1, wherein: the shell (1) is tubular.

3. The hemostat for external cervical ligation according to claim 1, wherein: the first core comprises a sleeve (21) and an operating rod (22), threads are arranged on the outer side wall face of the sleeve (21), the sleeve (21) is connected with the shell (1) through thread fit, one end of the operating rod (22) is connected with the sleeve (21), the other end of the operating rod (22) extends out of the shell (1), one end of the cerclage wire (4) is connected with the sleeve (21), and the other end of the cerclage wire (4) penetrates through the sleeve (21).

4. The hemostat for external cervical ligation according to claim 3, wherein: the operating rod (22) is arranged on the end face of the sleeve (21), a wire hole (211) is further formed in the end face of the sleeve (21), and the cerclage wire (4) penetrates through the wire hole (211).

5. The hemostat for external cervical ligation according to claim 1, wherein: the second core body comprises a sleeve (32), threads are arranged on the outer side wall surface of the sleeve (32), the sleeve (32) is connected with the shell (1) through thread matching, a wiring mechanism (31) which can rotate relative to the corresponding end of the sleeve (32) is arranged at one end of the sleeve (32), the ligature (4) is connected with the rotating portion of the wiring mechanism (31), and the other end of the sleeve (32) extends out of the shell (1).

6. The hemostat for external cervical ligation according to claim 1, wherein: the first core is close to the front end of the shell (1) where the ferrule structure is located, the second core is far away from the front end of the shell (1), and the parts of the first core and the second core, which extend out of the shell (1), are close to the rear end of the shell (1).

7. The hemostat for external cervical ligation according to claim 1, wherein: the ring binding wire (4) is provided with stabs which are arranged at intervals.