CN217593016U - A single concave surface sacculus for urgent cervical cerclage art - Google Patents

Abstract

The utility model discloses a single concave balloon for emergency cerclage, which comprises a balloon, a catheter, a connector and a one-way valve; the connector is arranged at one end of the guide pipe, the one-way valve is arranged between the connector and the guide pipe, and the connector is connected with the guide pipe through the one-way valve; the balloon is connected to the other end of the catheter; an injection channel is arranged in the catheter, and the connector is communicated with the inside of the balloon through the injection channel; the middle part of the balloon is fixedly connected with the corresponding end part of the catheter, so that the balloon is sunken to form a concave surface structure after being inflated. The utility model discloses a concave surface design of sacculus front end makes sacculus and amniotic sac area of contact big, does benefit to the push-up amniotic sac and goes into the uterine cavity, and the atress is even, can more safely, effectively push back the amniotic sac of outstanding cervix uterine neck to the uterine cavity, reduces the risk of infecting and fetal membrane rupture simultaneously.

Description

Single-concave balloon for emergency cervical cerclage operation

Technical Field

The utility model relates to a medical auxiliary equipment technical field especially relates to a single concave surface sacculus for urgent cervical cerclage art.

Background

Painless cervical dilatation and amniotic sac prolapse occurring before 24 weeks of gestation require urgent (or rescue) cervical cerclage to strive for prolonged pregnancy. The stripped amniotic membrane sac needs to be sent back to the uterine cavity in the operation process, and the stripped gestational sac is pushed back to the uterine cavity through the cervix by using a yarn ball soaked by sponge forceps jaws, and the bladder filling method or amniotic fluid reduction operation can be used for returning the amniotic membrane sac or reducing the pressure in the amniotic fluid sac are proposed in the past. Therefore, how to effectively and conveniently push the amniotic sac protruding out of the cervix back into the uterine cavity becomes one of the key operations in the emergency cerclage.

Disclosure of Invention

The utility model provides a single concave surface sacculus for urgent cervical cerclage art, concave surface design through the sacculus front end makes sacculus and amniotic sac area of contact big, does benefit to the push-up amniotic sac and goes into the uterine cavity, and the atress is even, can be safer, push back the amniotic sac of outstanding cervix to the uterine cavity effectively, reduce the risk of infecting and fetal membrane rupture simultaneously.

In order to realize the purpose, the utility model discloses a technical scheme be:

a single concave balloon for emergency cerclage comprises a balloon, a catheter, a connector and a one-way valve; the connector is arranged at one end of the guide pipe, the one-way valve is arranged between the connector and the guide pipe, and the connector is connected with the guide pipe through the one-way valve; the balloon is connected to the other end of the catheter; an injection channel is arranged in the catheter, and the connector is communicated with the inside of the balloon through the injection channel; the middle part of the balloon is fixedly connected with the corresponding end part of the catheter, so that the balloon is sunken to form a concave structure after being inflated.

Further, one end of the catheter connected with the balloon is provided with a head, and the head is rounded and gradually reduced to be conical.

Further, the middle part of the inner wall of the balloon is fixedly adhered to the head.

Furthermore, the head is provided with a gland which is clamped and fixed, and the middle part of the balloon is pressed and fixed on the head by the gland.

Further, the outer peripheral wall of the catheter is provided with length scale marks.

Further, the conduit is provided as a straight tube.

Furthermore, the conduit also comprises an adapter, and the adapter is provided with an air inlet and an air outlet which are vertically arranged; the guide pipe is connected with the air outlet in a sealing way, and the connector is connected with the air inlet through the one-way valve; the both ends of adapter outwards extend, the adapter with T type structure is constituteed to the pipe.

The utility model has the advantages that:

injecting a certain amount of gas or normal saline into the balloon through the connector to ensure that the expansion degree of the balloon is moderate, and because the middle part of the balloon is fixedly connected with the end part of the catheter, the balloon can expand towards the periphery of the joint after being filled to form a concave surface structure taking the joint as a concave center; the utility model discloses a concave surface design of sacculus front end makes sacculus and amniotic sac area of contact big, does benefit to the push-up amniotic sac and goes into the uterine cavity, and the atress is even, can more safely, push back the amniotic sac of outstanding cervix uteri to the uterine cavity effectively, reduces the risk of infecting and fetal membrane rupture simultaneously

Drawings

The following detailed description of embodiments of the invention is provided in connection with the accompanying drawings, in which:

fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of a first connection mode of the middle balloon and the catheter head according to the present invention;

FIG. 4 is a schematic structural view of a second connection mode of the middle balloon and the catheter head according to the present invention;

fig. 5 is a perspective view of a second embodiment of the catheter of the present invention;

the attached drawings are as follows:

1-a balloon, 2-a catheter,

3-a connector, 4-a one-way valve,

5-an adapter, 11-a concave structure,

21-an injection channel, 22-a gland,

23-length scale mark.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in 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. 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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can be intervening components, and when a component is referred to as being "disposed in the middle," it is not just disposed in the middle, as long as it is not disposed at both ends within the scope defined by the middle. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a single concave balloon for emergency cerclage surgery comprises a balloon 1, a catheter 2, a connector 3 and a one-way valve 4; the connector 3 is arranged at one end of the guide pipe 2, the one-way valve 4 is arranged between the connector 3 and the guide pipe 2, and the connector 3 is connected with the guide pipe 2 through the one-way valve 4; the balloon 1 is connected to the other end of the catheter 2; an injection channel 21 is arranged in the catheter 2, and the connector 3 is communicated with the interior of the balloon 1 through the injection channel 21; the middle part of the balloon 1 is fixedly connected with the corresponding end part of the catheter 2, so that the balloon 1 is sunken to form a concave surface structure 11 after being inflated. Specifically, the balloon 1 is made of a soft rubber material and has certain elasticity and flexibility, the inflated balloon 1 is used for contacting with a amniotic sac, and the amniotic sac is pushed back to the uterine cavity through the inflated balloon 1; the conduit 2 is made of a hard glue material; the connector 3 is used for being connected with an external injection device, the injection device can adopt a medical injector, and the injection medium can adopt normal saline or air; the check valve adopts the spring check valve, can realize filling and discharging functions. When the inflatable balloon is used, a certain amount of gas or normal saline is injected into the balloon 1 through the connector, so that the inflation degree of the balloon 1 is moderate, and because the middle part of the balloon 1 is fixedly connected with the end part of the catheter, the balloon 1 can inflate around the connection part after being inflated, so that a concave structure 11 taking the connection part as a concave center is formed; the utility model discloses a concave surface design of 1 front end of sacculus makes sacculus 1 big with amniotic sac area of contact, does benefit to the push-up amniotic sac and goes into the uterine cavity, and the atress is even, can more safely, effectively push back the amniotic sac of outstanding cervix uterine neck to the uterine cavity, reduces the risk of infecting and fetal membrane rupture simultaneously.

The head is arranged at one end of the catheter 2 connected with the balloon 1, and the head is rounded and gradually reduced to be conical. The rounded corners of the head are smooth, so that the catheter 2 with the balloon can enter the body of a patient more smoothly.

The connection mode of the catheter 2 and the balloon 1 can be selected from but not limited to the following two modes:

the first connection mode is as follows:

referring to fig. 3, the middle part of the inner wall of the balloon 1 is adhered and fixed to the head. Specifically, the middle part of the inner wall of the balloon 1 and the head part can be adhered and fixed by adhesives such as glue.

And a second connection mode:

referring to fig. 4, the head is provided with a clamping and fixing gland 22, and the gland 22 tightly presses and fixes the middle part of the balloon 1 on the head. Specifically, the head is provided with a clamping groove, and the gland 22 is sleeved on the head of the conduit and is clamped and fixed with the clamping groove. As the sacculus 1 is a film made of soft rubber, the sacculus 1 is pressed and fixed on the head part of the guide sleeve together when being installed.

Continuing with fig. 2, the outer peripheral wall of the catheter 2 is provided with length scale markings 23. The length scale mark 23 adopts a developing mark, so that the outer peripheral wall of the catheter can be kept smooth and flat; the length scale markings 23 allow the operator to know the depth of insertion of the catheter 2.

The embodiments of the catheter 2 can be selected from, but not limited to, the following two:

embodiment one of the catheter 2:

referring to fig. 2, the conduit 2 is a straight tube, and the check valve 4 and the connector 3 are directly mounted at the tail of the straight tube, so that the structure is simple and the cost is low.

Embodiment two of the catheter 2:

referring to fig. 5, the conduit 2 is still configured as a straight pipe, but the conduit 2 further includes an adapter 5; the adapter 5 is provided with an air inlet and an air outlet which are vertically arranged; the guide pipe 2 is connected with the air outlet in a sealing way, and the connector 3 is connected with the air inlet through the one-way valve 4; the both ends of adapter 5 outwards extend, adapter 5 with pipe 2 constitutes T type structure. Through the conversion of adapter 5, the connector directly is 90 perpendicular arrangements with the pipe, and adapter 5 can act as a application of force board, and the operator of being more convenient for of T type structure grips convenient operation.

The utility model discloses an application step:

1) Two-page single-page vagina draw hook is used for fully exposing the vagina, the external opening of the cervix is expanded, and the amniotic sac is expanded;

2) Using two atraumatic forceps to clamp the cervix, and extending the single concave balloon into the vagina after disinfecting;

3) Injecting a certain amount of normal saline into the single concave balloon to fill the single concave balloon, wherein the size of the balloon injected with the normal saline is adapted to the size of the amniotic sac which swells out of the vagina;

4) The inflated amniotic sac is supported by the concave surface of the inflated saccule 1 and is pushed back to the uterine cavity gently;

5) And (3) after the expanded amniotic sac returns to the uterine cavity, fully exposing the cervix, and performing cervical cerclage operation close to the inner opening of the cervix as much as possible.

6) And (3) carrying out purse-string suture tightening on the cervix, then pumping out the normal saline in the balloon 1 and slowly withdrawing from the uterine cavity, tightening the suture and knotting to finish the operation.

The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.

Claims (7)

1. A single concave balloon for emergency cerclage is characterized by comprising a balloon, a catheter, a connector and a one-way valve; the connector is arranged at one end of the guide pipe, the one-way valve is arranged between the connector and the guide pipe, and the connector is connected with the guide pipe through the one-way valve; the balloon is connected to the other end of the catheter; an injection channel is arranged in the catheter, and the connector is communicated with the inside of the balloon through the injection channel; the middle part of the balloon is fixedly connected with the corresponding end part of the catheter, so that the balloon is sunken to form a concave structure after being inflated.

2. The single concave balloon for emergency cerclage operation according to claim 1, wherein the end of the catheter connected to the balloon is a head, and the head is rounded and tapered.

3. The single concave balloon for emergency cervical cerclage operation according to claim 2, wherein the middle portion of the inner wall of the balloon is fixed to the head portion in an adhesion manner.

4. The single concave balloon for emergency cervical cerclage operation according to claim 2, wherein the head has a snap-fit gland that compressively fixes the middle portion of the balloon to the head.

5. The single concave balloon for emergency cervical cerclage operation according to claim 1, wherein the outer circumference of the catheter is provided with length scale markings.

6. The single concave balloon for emergency cervical cerclage according to claim 5, wherein the catheter is provided as a straight tube.

7. The single concave balloon for emergency cervical cerclage according to claim 6, wherein the catheter further comprises an adapter, the adapter having an air inlet and an air outlet arranged perpendicular to each other; the guide pipe is connected with the air outlet in a sealing way, and the connector is connected with the air inlet through the one-way valve; the both ends of adapter extend outward, the adapter with T type structure is constituteed to the pipe.

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