CN214907886U

CN214907886U - Disposable cervical expander

Info

Publication number: CN214907886U
Application number: CN202120820289.7U
Authority: CN
Inventors: 刘文威; 张荣安; 温国辉
Original assignee: Hainan Xinyikang Biotechnology Co ltd
Current assignee: Hainan Xinyikang Biotechnology Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-11-30
Anticipated expiration: 2031-04-22

Abstract

The utility model relates to a cervical dilatation equipment technical field has provided disposable cervical expander, including expansion body, traction body, pipe and liquid feeding pipe, the both ends of pipe respectively with expansion body and liquid feeding union coupling, on the expansion body was located to the traction body, the liquid feeding pipe divide into notes flow tube and transition pipe, transition pipe and pipe intercommunication, in the tip of notes flow tube penetrated the transition pipe, still including preventing the subassembly that leaks, prevent that the subassembly includes: the cover plate is arranged in the transition pipe and can move along the axial direction of the transition pipe; the support plate is arranged in the transition pipe and has a gap with the inner wall of the transition pipe; the spring is arranged in the transition pipe, one end of the spring is connected with the cover plate, and the other end of the spring is connected with the supporting plate; the cover plate is pressed on the end part of the injection tube by a spring so as to prevent the liquid in the expansion body from leaking out. Through above-mentioned technical scheme, avoided expanding internal liquid to spill and the inconvenient problem of cervical expander operation that arouses among the prior art owing to adopt the mode that the feed liquor pipe was tied a knot.

Description

Disposable cervical expander

Technical Field

The utility model relates to a cervical dilatation device technical field, it is specific, relate to disposable cervical expander.

Background

In many uterine operations, the cervix is required to be dilated, and the cervix is often small, so that medical instruments cannot be inserted into the cervix. For the surgery to be performed smoothly, a cervical expander is required to expand the uterine orifice. The common cervical dilator on the market mostly adopts the bar-shaped dilator, put into the uterine orifice at first the bar-shaped dilator, then pour into normal saline so that the bar-shaped dilator expands, still need take measures to avoid the normal saline to leak after filling into normal saline again, the method that usually adopts is to knot the feed liquor pipe of the bar-shaped dilator and handles, although this kind of mode can effectively avoid the outflow of normal saline, but the troublesome poeration, and when still need to pour into normal saline into, still need to knot and open greatly, take trouble and laboursome.

SUMMERY OF THE UTILITY MODEL

The utility model provides a disposable cervical expander has solved among the prior art because the mode that adopts the feed liquor pipe to tie a knot avoids expanding the internal liquid of body and spills and the inconvenient problem of cervical expander operation that arouses.

The technical scheme of the utility model as follows: disposable cervical expander, including the expansion body, the traction body, pipe and liquid feeding pipe, the both ends of pipe respectively with the expansion body with the liquid feeding union coupling, the traction body is located on the expansion body, the liquid feeding pipe divide into notes flow tube and transition pipe, the transition pipe with the pipe intercommunication, the tip of notes flow tube penetrates in the transition pipe, still including preventing the subassembly that leaks, prevent that the subassembly includes:

the cover plate is arranged in the transition pipe and can move along the axial direction of the transition pipe;

the supporting plate is arranged in the transition pipe, and a gap is formed between the supporting plate and the inner wall of the transition pipe;

the spring is arranged in the transition pipe, one end of the spring is connected with the cover plate, and the other end of the spring is connected with the supporting plate; the cover plate is pressed on the end part of the injection tube by the spring so as to prevent the liquid in the expansion body from leaking out.

As a further technical scheme, the injection device further comprises an injection pipe, wherein the injection pipe is arranged in the injection pipe and is flush with the end part of the injection pipe.

As a further technical scheme, a groove is formed in the probing end of the flow injection pipe, the cover plate is provided with a protrusion, and the protrusion can penetrate into the groove.

As a further technical scheme, the spring cover further comprises a guide rod, one end of the guide rod is arranged on the cover plate, and the other end of the guide rod penetrates through the spring.

As a further technical scheme, the injection pipe is provided with an external thread, the transition pipe is provided with an internal thread, and the injection pipe and the transition pipe are in threaded connection.

As a further technical scheme, a through hole is formed in the edge portion of the expansion body, and the traction body is in a closed ring shape, and a part of the traction body penetrates through the through hole.

As a further technical scheme, the traction body is a clean wire or an elastic rope.

The utility model discloses a theory of operation and beneficial effect do: compared with the prior art, the dilator is connected with the liquid feeding pipe by the guide pipe, after liquid is injected into the liquid feeding pipe, the liquid flows into the dilator, and the dilator can expand to prop open the cervix; the liquid feeding pipe is divided into a liquid injection pipe and a transition pipe, the transition pipe is communicated with the guide pipe, the end part of one end of the liquid injection pipe can penetrate into the transition pipe, an operator can hold an injector to inject liquid from the liquid injection pipe, the anti-leakage assembly is used for placing the liquid in the expansion body to reversely flow out of the liquid injection pipe, the anti-leakage assembly comprises a cover plate, a support plate and a spring, the cover plate is arranged in the transition pipe and can move along the axial direction of the transition pipe, the support plate is arranged in the transition pipe, a gap is formed between the support plate and the inner wall of the transition pipe, so that the liquid can penetrate through the gap and enter the expansion body along the guide pipe, the spring is arranged between the cover plate and the support plate, one end of the spring is connected with the support plate, the other end of the spring is connected with the cover plate, and the support plate is fixedly connected with the inner wall of the transition pipe, therefore, the spring can push the cover plate to press the end part of the liquid injection pipe, when injecting liquid into the expansion body through the notes flow tube, liquid can back open the apron, and the spring receives the compression, expands to the ideal state after the expansion body, stops injecting liquid, and the spring can resume original state this moment to with the apron top in the tip of notes flow tube, avoid liquid to discharge from notes flow tube.

Drawings

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

Fig. 1 is a schematic structural view of a disposable cervical expander provided by the present invention;

fig. 2 is a cross-sectional view of a disposable cervical expander provided by the present invention;

FIG. 3 is an enlarged view of the mating portion of the injection tube and the cover plate of FIG. 2;

FIG. 4 is a quarter sectional view of the syringe and cover plate in accordance with the present invention;

FIG. 5 is an exploded view of the fitting of the cover plate, the spring and the injection pipe;

in the figure:

1. the device comprises an expansion body, 2, a traction body, 3, a guide pipe, 4, a liquid feeding pipe, 5, a flow injection pipe, 6, a transition pipe, 7, a cover plate, 8, a support plate, 9, a spring, 10, an injection pipe, 11 and a guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.

As shown in fig. 1-5, this embodiment provides a disposable cervical expander, including expansion body 1, traction body 2, pipe 3 and filling tube 4, the both ends of pipe 3 are connected with expansion body 1 and filling tube 4 respectively, on traction body 2 locates expansion body 1, filling tube 4 divide into notes flow tube 5 and transition pipe 6, transition pipe 6 and pipe 3 intercommunication, the tip of notes flow tube 5 penetrates in transition pipe 6, still including preventing leaking the subassembly, prevent leaking the subassembly and include:

the cover plate 7 is arranged in the transition pipe 6 and can move along the axial direction of the transition pipe 6;

the support plate 8 is arranged in the transition pipe 6 and has a gap with the inner wall of the transition pipe 6;

the spring 9 is arranged in the transition pipe 6, one end of the spring is connected with the cover plate 7, and the other end of the spring is connected with the supporting plate 8; the cover 7 is pressed against the end of the injection pipe 5 by means of a spring 9 in order to prevent the liquid in the expansion body 1 from escaping.

In the embodiment, the expansion body 1 is connected with the liquid feeding pipe 4 by the guide pipe 3, after liquid is injected from the liquid feeding pipe 4, the liquid flows into the expansion body 1, and the expansion body 1 can expand to prop open the cervix; the liquid feeding pipe 4 is divided into a liquid injection pipe 5 and a transition pipe 6, the transition pipe 6 is communicated with the guide pipe 3, the end part of one end of the liquid injection pipe 5 can penetrate into the transition pipe 6, an operator can hold an injector to inject liquid from the liquid injection pipe 5, the anti-leakage assembly is used for placing the liquid in the expansion body 1 to reversely flow out from the liquid injection pipe 5 and comprises a cover plate 7, a support plate 8 and a spring 9, the cover plate 7 is arranged in the transition pipe 6 and can move along the axial direction of the transition pipe 6, the support plate 8 is arranged in the transition pipe 6, a gap is formed between the support plate 8 and the inner wall of the transition pipe 6, so that the liquid can pass through the gap and enter the expansion body 1 along the guide pipe 3, the spring 9 is arranged between the cover plate 7 and the support plate 8, one end of the spring 9 is connected with the support plate 8, the other end is connected with the cover plate 7, and the support plate 8 is fixedly connected with the inner wall of the transition pipe 6, therefore, the spring 9 can push the cover plate 7 to press the end part of the injection pipe 5, when liquid is injected into the expansion body 1 through the injection pipe 5, the liquid can push the cover plate 7 open, the spring 9 is compressed, when the expansion body 1 expands to the ideal state, the injection of the liquid is stopped, at the moment, the spring 9 can restore the original state, and the cover plate 7 is pushed to the end part of the injection pipe 5, so that the liquid is prevented from being discharged from the injection pipe 5.

As shown in fig. 3, based on the same concept as that of embodiment 1, this embodiment also proposes to further include an injection tube 10, the injection tube 10 being provided inside the injection tube 5 and the injection tube 10 being flush with the end of the injection tube 5.

In the embodiment, the injection tube 10 is arranged in the injection tube 5, the end part of the injection tube 10 is flush with the end part of the injection tube 5, the injection tube 10 is specially used for being connected with an injector, the injection tube 10 and the injector are completely matched, the injector can be used for injecting liquid in a sealing mode only by being inserted into the injection tube 10, and the arrangement mode is convenient for timely replacement after the injection tube 10 is damaged.

As shown in fig. 3 to 5, based on the same concept as that of embodiment 1, the present embodiment further proposes that the probing end of the injection tube 5 is provided with a groove, and the cover plate 7 is provided with a protrusion capable of penetrating into the groove.

In this embodiment, the end of the injection pipe 5 that is inserted into the transition pipe 6 is the end of the injection pipe 5, a groove is arranged at the probing end of the injection pipe 5, a bulge is arranged on the cover plate 7, the bulge can completely penetrate into the groove, a part of the bulge is arranged to protrude out of the body of the cover plate 7, such an arrangement facilitates a suitable leakage flow, to adjust the degree of expansion of the expansion body 1, when a part of the fluid needs to be discharged after the injection of too much fluid in the expansion body 1, the cover plate 7 can be pushed by means of a tool, and the injection pipe 5 is rotated to prevent the protrusion from penetrating into the groove, so that a gap is always reserved between the cover plate 7 and the probing end of the injection pipe 5, the liquid in the expansion body 1 can flow out from the gap, when liquid is not discharged, the injection pipe 5 is only required to be rotated, and the protrusion penetrates into the groove again.

As shown in fig. 2 to 3, based on the same concept as that of embodiment 1, the present embodiment further provides a guide rod 11, wherein one end of the guide rod 11 is disposed on the cover plate 7, and the other end thereof is inserted into the spring 9.

In this embodiment, guide bar 11 sets up on apron 7 to guide bar 11 wears to establish in spring 9, and guide bar 11 is used for leading to spring 9's flexible, avoids spring 9 to appear the effect of buckling at flexible in-process.

Based on the same concept as that of the above embodiment 1, the present embodiment also proposes that the injection pipe 5 has an external thread, the transition pipe 6 has an internal thread, and the injection pipe 5 and the transition pipe 6 are in threaded connection.

In this embodiment, the mode that adopts threaded connection is favorable to annotating and flows pipe 5 and transition pipe 6 and carry out timely replacement to still having made things convenient for and annotating and having flowed and rotate between pipe 5 and the transition pipe 6, can also set up the sealing washer between annotating and flowing pipe 5 and transition pipe 6, in order to guarantee holistic leakproofness.

As shown in fig. 1, based on the same concept as that of the above embodiment 1, the present embodiment also proposes that a through hole is formed in the edge portion of the expansion body 1, and the traction body 2 is in a closed ring shape and a part of the traction body passes through the through hole.

In this embodiment, in order to guarantee that the connection between the traction body 2 and the expansion body 1 is reliable and convenient, a through hole can be formed in the edge portion of the expansion body 1, the traction body 2 is closed, and the traction body 2 penetrates through the through hole, so that the arrangement form is convenient for taking out the expansion body 1 from the patient after the traction body 2 is damaged.

Based on the same concept as that of the above embodiment 1, the present embodiment also proposes that the pulling body 2 is a cleaning thread or an elastic string.

In this embodiment, in order to ensure that the patient does not suffer from infection, a clean thread may be used, and in order to ensure that the traction body 2 does not break during the pulling process, an elastic cord may be used.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Disposable cervical expander, including expansion body (1), traction body (2), pipe (3) and liquid feeding pipe (4), the both ends of pipe (3) respectively with expansion body (1) with liquid feeding pipe (4) are connected, traction body (2) are located on expansion body (1), liquid feeding pipe (4) divide into notes flow tube (5) and transition pipe (6), transition pipe (6) with pipe (3) intercommunication, the tip of notes flow tube (5) penetrates in transition pipe (6), its characterized in that still includes prevents the subassembly that leaks, prevent leaking the subassembly and include:

the cover plate (7) is arranged in the transition pipe (6) and can move along the axial direction of the transition pipe (6);

the support plate (8) is arranged in the transition pipe (6) and has a gap with the inner wall of the transition pipe (6);

the spring (9) is arranged in the transition pipe (6), one end of the spring is connected with the cover plate (7), and the other end of the spring is connected with the supporting plate (8); the cover plate (7) is pressed against the end of the injection pipe (5) by means of the spring (9) in order to prevent the liquid in the expansion body (1) from leaking out.

2. The disposable cervical expander according to claim 1, further comprising an injection tube (10), said injection tube (10) being provided inside said injection tube (5) and said injection tube (10) being flush with the end of said injection tube (5).

3. The disposable cervical expander according to claim 2, characterized in that the probing end of said injection tube (5) is provided with a groove, and said cover plate (7) has a protrusion which can penetrate into said groove.

4. The disposable cervical expander according to claim 3, further comprising a guide rod (11), wherein one end of the guide rod (11) is disposed on the cover plate (7) and the other end is disposed through the spring (9).

5. The disposable cervical expander according to claim 4, wherein said injection tube (5) has an external thread, said transition tube (6) has an internal thread, said injection tube (5) being in threaded connection with said transition tube (6).

6. The disposable cervical expander according to claim 1, wherein a through hole is opened at the edge of said expander (1), and said traction body (2) is in a closed ring shape and a part of it passes through said through hole.

7. The disposable cervical expander according to claim 6, wherein said traction body (2) is a clean wire or an elastic cord.