CN210784464U

CN210784464U - Disposable cervical dilator

Info

Publication number: CN210784464U
Application number: CN201920311406.XU
Authority: CN
Inventors: 朱光; 王欣; 方丹娜; 孟培君
Original assignee: Hangzhou Aogo Medical Equipment Co ltd
Current assignee: Hangzhou Aogo Medical Equipment Co ltd
Priority date: 2019-03-12
Filing date: 2019-03-12
Publication date: 2020-06-19
Anticipated expiration: 2029-03-12

Abstract

The utility model discloses a disposable cervical dilator, including sacculus, transfer line and the pipe that fills water, the symmetry is provided with two pipes that fill water on the afterbody side of transfer line, and two pipes that fill water are provided with the connecting pipe with the sacculus respectively, the end of inflating the pipe is provided with the one-way water supply valve that aerifys the sacculus comprises stereoplasm sacculus front end, adapter sleeve, elasticity sacculus rear end, the below of sacculus is provided with spacing ring, and spacing ring setting is on the transfer line, the end of transfer line is provided with the seal wire fixed head. The utility model discloses rational in infrastructure convenient to use can effectively judge the interior normal saline injection volume of sacculus, sets up two water pipes among this technical scheme, operates in facilitating the use to water pipe all passes through the connecting pipe with the sacculus and is connected, is convenient for in time be convenient for effectively judge the shape change volume of liquid and sacculus in the sacculus with the gas in the sacculus in time discharges.

Description

Disposable cervical dilator

Technical Field

The utility model relates to the technical field of obstetrical medical instruments, in particular to a disposable cervical dilator.

Background

The bionic midwifery handle used by the existing air bag midwifery instrument can only meet partial clinical application in function, has larger limitation, is inconvenient to use and has some safety risks. And current sacculus cervical struts ware when using, the volume of unable accurate control sacculus causes the injury to the patient very easily, and it is very inconvenient to use to can not in time replace to the inside gas of cervical dilator, lead to the cervical dilator inside change volume can not effectively be monitored.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disposable cervical spreader aims at improving the problem that the inside volume change of current cervical spreader does not correspond.

The utility model discloses a realize like this:

a disposable cervical dilator comprises a balloon, a transfusion tube and water filling catheters, wherein the balloon is arranged at the top of the transfusion tube, the tail side surface of the transfusion tube is provided with the water filling catheter, a connecting pipe is arranged between the water filling catheter and the balloon, the connecting pipe is arranged at the inner side of the transfusion tube, the middle part of the transfusion tube is provided with a guide wire cavity, a guide wire is plugged in the guide wire cavity to adjust the entering depth of the balloon, the tail side surface of the transfusion tube is symmetrically provided with two water filling catheters, the two water filling catheters are respectively provided with the connecting pipes with the balloon, the tail end of each air filling catheter is provided with a one-way air filling water supply valve, the balloon consists of a hard balloon front end, a transition connecting sleeve and an elastic balloon rear end, a limiting ring is arranged below the balloon, the limiting ring is arranged on the transfusion tube, the tail end of the transfusion tube is provided with a guide wire fixing, the ring filling opening, the ring discharging opening and the limiting ring are connected through connecting pipes, a guide wire limiting sleeve is arranged on the inner side of the guide wire fixing head, a guide wire protective inner layer is arranged at the tail end of the guide wire limiting sleeve, and the guide wire protective inner layer is connected with the guide wire cavity.

Preferably, the inner sides of the front end of the hard balloon, the transition connecting sleeve and the rear end of the elastic balloon are water filling cavities, and the outer sides of the front end of the hard balloon, the transition connecting sleeve and the rear end of the elastic balloon are smooth surfaces.

Preferably, stereoplasm sacculus front end, transition adapter sleeve and elasticity sacculus rear end are silica gel and make, and stereoplasm sacculus front end is made for the stereoplasm silica gel material, and transition adapter sleeve and elasticity sacculus rear end are made for having the elasticity silica gel material.

Preferably, the volume of the front end of the hard balloon is 50-100ml, and the volume of the rear end of the elastic balloon is 30-200 ml.

Preferably, the limiting ring is an elastic silicon capsule body, and the volume amount is 20-150 ml.

Preferably, the top end of the guide wire cavity is provided with a guide head, and the guide head is of a solid structure.

Preferably, the guide wire limiting sleeve is arranged to be of a conical structure, and a sealing diaphragm is arranged at the lower end of the guide wire limiting sleeve.

Preferably, the balloon, the limiting ring and the infusion tube are all provided with sealing sleeves, the inner sides of the sealing sleeves are provided with water absorption detection paper rings, and the guide wire cavities are internally provided with water absorption detection paper tapes.

Preferably, the water absorption detection paper ring and the water absorption detection paper belt are provided with scale marks drawn by water-diffusing ink.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has reasonable structure and convenient use, and can effectively judge the physiological saline injection amount in the saccule;

(1) set up two among this technical scheme and fill the water pipe, operate in the convenient use to fill the water pipe and all pass through the connecting pipe with the sacculus and be connected, be convenient for in time be convenient for effectively judge the shape change volume of liquid and sacculus in the sacculus with the gaseous in the sacculus in time discharging.

(2) According to the technical scheme, the balloon is of a two-flap structure, and the middle parts of the balloon are connected through the transitional connecting sleeve, so that the balloon can conveniently stretch into and stretch out in the using process, and can be produced in a combined mode according to using requirements, and the application range of products is widened;

(3) the technical scheme includes that the uterine sac is made of different materials, the uterine sac can be inserted into the uterine sac conveniently, the strength is high, the corresponding volume capacity can be provided when liquid is injected, and the damage to the uterine sac can be reduced due to the fact that the uterine sac is made of silica gel in the using process;

(4) the utility model provides a water-absorbing detection paper ring and water-absorbing detection paper take all to be provided with the scale mark of meeting water diffusion printing ink drawing among this technical scheme, utilize the seal cover can strengthen the leakproofness that the connection is in the junction that corresponds, the seal cover can adopt the mode of heat-seal sealed, place the scale mark of meeting water diffusion printing ink drawing in the inboard in order to detect its leakproofness, utilize and meet water diffusion printing ink characteristic, meet water back printing ink diffusion, and for irreversible process, avoid judging whether to take place to leak, and this article also can avoid lawless persons to reuse for disposable product postoperative initiative destruction outside seal cover.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

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

FIG. 2 is a diagram illustrating the effect of the use of the disposable distractor shown in FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic structural view of the guidewire retention head of FIG. 1;

in the figure: 1. a balloon; 11. a hard balloon front end; 12. a transitional connecting sleeve; 13. an elastic balloon rear end; 2. a transfusion tube; 3. a guidewire lumen; 31. a guide head; 4. a water-filled conduit; 41. a one-way inflation valve; 5. a guide wire fixing head; 51. a guidewire protective inner layer; 52. a guide wire limit sleeve; 6. a limiting ring; 61. a circular ring injection port; 62. and a circular ring outlet.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the embodiment, the disposable cervical dilator, the cervical dilator in the prior art includes a balloon 1, a transfusion tube 2 and a water filling conduit 4, the balloon 1 is disposed at the top of the transfusion tube 2, the water filling conduit 4 is disposed on the lateral surface of the tail of the transfusion tube 2, a connecting pipe is disposed between the water filling conduit 4 and the balloon 1, the connecting pipe is disposed inside the transfusion tube 2, a guide wire cavity 3 is disposed in the middle of the transfusion tube 2, the guide wire is inserted into the guide wire cavity 3 to adjust the entering depth of the balloon 1, as shown in fig. 1, 2, 3 and 4, in the technical scheme, two water filling conduits 4 are symmetrically disposed on the lateral surface of the tail of the transfusion tube 2, the two water filling conduits 4 are respectively disposed with the balloon 1 with a connecting pipe, the end of the air filling conduit 4 is provided with a one-way air filling water supply valve 41, the balloon 1 is composed of a hard balloon front, the below of sacculus 1 is provided with spacing ring 6, and spacing ring 6 sets up on transfer line 2, the end of transfer line 2 is provided with seal wire fixed head 5, and be provided with ring injection mouth 61 and ring discharge port 62 on the side of seal wire fixed head 5 respectively, be connected through the connecting pipe between ring injection mouth 61 and ring discharge port 62 and the spacing ring 6, the inboard of seal wire fixed head 5 is provided with seal wire stop collar 52, and the tail end of seal wire stop collar 52 is provided with seal wire protection inlayer 51, and seal wire protection inlayer 51 is connected with seal wire chamber 3.

In this embodiment, two water filling catheters 4 are arranged on the infusion tube 2, a circular water injection mode is performed in the using process, physiological saline is injected through one of the water filling catheters 4, the valve of the other water filling catheter 4 is opened in the injection process so that the internal air is discharged, the corresponding valve is closed when the injected physiological saline reaches the other water filling catheter 4, the injected physiological saline can press the corresponding balloon to expand and deform, the corresponding part is stimulated, the valve can be opened to rapidly discharge when the physiological saline needs to be released, the corresponding limiting ring 6 is further arranged at the rear end of the balloon, the internal injection and liquid discharge of the limiting ring 6 are realized by utilizing the ring injection port 61 and the ring discharge port 62, and the corresponding guide wire cavity 3 is arranged in the infusion tube 2 so that the guide wire can conveniently extend into the balloon 1 to adjust the entering depth.

Further, the inside of hard balloon front end 11, transition connecting sleeve 12 and elastic balloon rear end 13 is a water filling cavity, and the outside of hard balloon front end 11, transition connecting sleeve 12 and elastic balloon rear end 13 is set to be a smooth surface, the balloon is set to be a multi-section structure, the balloon can be produced in a combined mode according to use needs, the application degree of products is improved, and the smooth surface is set to be capable of reducing and avoiding damage to the surface of the uterine balloon in the process.

Further, stereoplasm sacculus front end 11, transition adapter sleeve 12 and elasticity sacculus rear end 13 are silica gel and make, stereoplasm sacculus front end 11 is made for the stereoplasm silica gel material, transition adapter sleeve 12 and elasticity sacculus rear end 13 are made for having the elasticity silica gel material, adopt different materials to make respectively and to realize, certain intensity occasionally gos deep into, conveniently get into the palace bag inboardly, can provide corresponding volume capacity when pouring into liquid, and all adopt silica gel to make in the use and to reduce the damage to the palace bag, transition adapter sleeve 12 and elasticity sacculus rear end 13 make for having the elasticity silica gel material and can realize great deflection.

Furthermore, the volume of the front end 11 of the hard balloon is 50-100ml, the volume of the rear end 13 of the elastic balloon is 30-200ml, the initial volume of the elastic balloon 13 is smaller than that of the hard balloon 11 so as to facilitate the extending and extending, and the maximum volume of the elastic balloon 13 is smaller than that of the hard balloon 11, which is the change caused by the material characteristics.

Furthermore, the limiting ring 6 is an elastic silicon capsule body, the volume is 20-150ml, the limiting ring 6 is arranged at the rear end of the balloon so as to be convenient to operate according to different operation requirements, and the limiting ring is normally in a contraction state.

Furthermore, the top end of the guide wire cavity 3 is provided with a guide head 31, the guide head 31 is set to be a solid structure, and the guide head 31 with the solid structure is adopted to avoid that the guide wire is internally adjusted to scratch the corresponding guide wire cavity 3 so that the internal cavity is leaked, and the operation fails.

Further, seal wire stop collar 52 sets up to the toper structure, and the lower extreme of seal wire stop collar 52 sets up sealed diaphragm, and seal wire stop collar 52 can restrict the seal wire and reciprocate in guide wire chamber 3 inside in the use, sets up to the toper for convenient not unidimensional seal wire restriction use, adopts sealed diaphragm to dip the foreign matter when avoiding using and is not convenient for watch the outside scale mark of physiology salt solution and transfer line.

Further, sacculus 1,

spacing ring

6 and 2 junctions of transfer line all are provided with the seal cover, and the inboard of seal cover is provided with the detection paper ring that absorbs water, it detects the paper tape to be provided with in the seal wire chamber 3 to absorb water, it detects the scale mark that paper ring and the detection paper tape that absorbs water all are provided with water diffusion printing ink and draw to absorb water, the leakproofness that the seal cover can be strengthened connecting is utilized in the junction that corresponds, the seal cover can adopt heat-seal mode to seal, place the scale mark that water diffusion printing ink was drawn in the inboard in order to detect its leakproofness, utilize water diffusion printing ink characteristic, meet water back printing ink diffusion, and for irreversible process, avoid judging whether to take place to leak, and this article also can avoid lawless molecule reuse for disposable product postoperative initiative destruction outside seal cover.

In the technical scheme, the injection of the physiological saline is inwards injected through the injection needle tube with scales in the using process, the volume of the connecting tube in the infusion tube 2 pointed out in the technical scheme is fixed, and the injection port and the discharge port are respectively arranged in the technical scheme, so that the gas accumulated in the saccule can be preferentially discharged, and the injection amount of the liquid in the saccule and the deformation amount of the saccule are more controllable.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement 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 dilator, including sacculus (1), transfer line (2) and water filling pipe (4), sacculus (1) sets up the top at transfer line (2), and is provided with water filling pipe (4) on the afterbody side of transfer line (2), is provided with the connecting pipe between water filling pipe (4) and sacculus (1), and the connecting pipe setting is in the inboard of transfer line (2), and the middle part of transfer line (2) is provided with silk guide chamber (3), and the silk guide fills in the entering degree of depth that silk guide chamber (3) adjusted sacculus (1), its characterized in that: the infusion tube is characterized in that two water filling catheters (4) are symmetrically arranged on the lateral surface of the tail part of the infusion tube (2), and the two water filling catheters (4) are respectively provided with a connecting tube with the balloon (1), the tail end of each water filling catheter (4) is provided with a one-way air inflation water supply valve (41), the balloon (1) is composed of a hard balloon front end (11), a transition connecting sleeve (12) and an elastic balloon rear end (13), a limiting ring (6) is arranged below the balloon (1), the limiting ring (6) is arranged on the infusion tube (2), the tail end of the infusion tube (2) is provided with a guide wire fixing head (5), the lateral surface of the guide wire fixing head (5) is respectively provided with a ring injection port (61) and a ring discharge port (62), the ring injection port (61) and the ring discharge port (62) are connected with the limiting ring (6) through the connecting tube, and the inner side of the guide wire fixing head (5) is provided with a guide wire, and the tail end of the guide wire limiting sleeve (52) is provided with a guide wire protective inner layer (51), and the guide wire protective inner layer (51) is connected with the guide wire cavity (3).

2. The disposable cervical spreader according to claim 1, wherein the hard balloon front end (11), the transitional connecting sleeve (12) and the elastic balloon rear end (13) are provided with water-filled cavities inside, and the hard balloon front end (11), the transitional connecting sleeve (12) and the elastic balloon rear end (13) are provided with smooth surfaces outside.

3. The disposable cervical spreader according to claim 1, wherein the front end (11) of the hard balloon, the transition connecting sleeve (12) and the rear end (13) of the elastic balloon are all made of silica gel, the front end (11) of the hard balloon is made of hard silica gel, and the transition connecting sleeve (12) and the rear end (13) of the elastic balloon are made of elastic silica gel.

4. The disposable cervical spreader according to claim 1, wherein the volume of the front end (11) of the hard balloon is 50-100ml and the volume of the rear end (13) of the elastic balloon is 30-200 ml.

5. The disposable cervical spreader according to claim 1, wherein the limiting ring (6) is an elastic silicone capsule and has a volume of 20-150 ml.

6. The disposable cervical spreader according to claim 1, wherein the guide wire cavity (3) is provided at its top end with a guide head (31), the guide head (31) being provided as a solid structure.

7. The disposable cervical spreader according to claim 1, wherein the guide wire stop collar (52) is provided in a tapered configuration, and a sealing diaphragm is provided at a lower end of the guide wire stop collar (52).

8. The disposable cervical dilator according to any one of claims 1 to 7, wherein sealing sleeves are disposed at the joints of the balloon (1), the limiting ring (6) and the infusion tube (2), a water absorption detection paper ring is disposed on the inner side of each sealing sleeve, and a water absorption detection paper tape is disposed in the guide wire cavity (3).

9. The disposable cervical distractor of claim 8, wherein the water-dispersible ink-marked graduations are disposed on both the ring of water-absorbent paper and the water-absorbent paper.