CN113017747A

CN113017747A - Intrauterine vacuum compression hemostasis device

Info

Publication number: CN113017747A
Application number: CN202110105275.1A
Authority: CN
Inventors: 孙大为; 张俊吉; 刘海元; 张令天; 张亦喆; 张亦赫
Original assignee: Zhuyi Weikang Beijing Technology Development Co ltd
Current assignee: Zhuyi Weikang Beijing Technology Development Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-06-25

Abstract

The invention discloses an intrauterine vacuum compression hemostasis device. The outer surface is provided with a plurality of drainage holes that communicate with the drainage cavity; the drainage interface is communicated with the drainage cavity; the outer surface of the tube body is located at one end of the leading end close to the drainage interface, and a balloon groove is formed on the outer surface, and the balloon is fixed in the balloon groove There is a balloon cavity in the side wall of the tube body, the balloon cavity is arranged along the axis direction of the tube body, the surface of the balloon groove is provided with a balloon hole that communicates with the balloon cavity, and the balloon cavity is close to the drainage. One end of the interface is connected to the inflatable interface; the electric suction device is connected to the drainage interface through the suction pipe. The hemostatic device in the present invention can observe the bleeding situation, is not easy to cause secondary infection, and has little damage.

Description

Intrauterine vacuum compression hemostasis device

Technical Field

The invention relates to the technical field of medical instruments of obstetrics and gynecology department, in particular to an intrauterine vacuum compression hemostasis system.

Background

At present, the pathological obstetrical or gynecological operation appearing in clinic causes the uterine hypoplasia, and a 5-meter long tourniquet is filled in the uterus to perform compression hemostasis treatment scheme usually under the condition of uterine bleeding. However, this method of hemostasis has some disadvantages, such as: the hemostatic effect cannot be observed at any time; residual hematocele in the uterus and easy secondary infection; the tourniquet needs to be replaced regularly, so that the re-bleeding is easily caused; repeated vaginal operation can increase the infection chance.

Therefore, the research of an intrauterine vacuum compression hemostasis device which can observe bleeding, is not easy to cause secondary infection and has small damage is a problem to be solved urgently by the technical personnel in the field.

Disclosure of Invention

In view of the above, the invention provides an intrauterine vacuum compression hemostasis device which can observe bleeding, is not easy to cause secondary infection and has small damage.

In order to achieve the purpose, the invention adopts the following technical scheme:

an intrauterine vacuum compression hemostasis device comprising:

the drainage tube comprises a tube body, wherein one end of the tube body is provided with a guide head end, and the other end of the tube body is in an open shape and is connected with a drainage interface; a drainage cavity channel is formed in the tube body along the axis direction of the tube body, and a plurality of drainage holes communicated with the drainage cavity channel are formed in the outer surface of the guide head end; the drainage interface is communicated with the drainage cavity;

the outer surface of one end, close to the drainage interface, of the tube body, which is positioned at the guide head end, is provided with a balloon groove, and the balloon is fixed in the balloon groove; a balloon cavity channel is formed in the side wall of the tube body and is arranged along the axis direction of the tube body, a balloon hole communicated with the balloon cavity channel is formed in the surface of the balloon groove, and one end, close to the drainage interface, of the balloon cavity channel is connected with an inflation interface;

and the electric suction apparatus is communicated with the drainage interface through a suction pipeline.

By adopting the technical scheme, the intrauterine accumulated blood can be sucked and drawn out through the drainage cavity, the drainage hole, the drainage interface and the electric suction apparatus, the duration of one-time operation is longer, frequent taking-out is not needed, the operation is convenient, and secondary infection is not easy to cause.

Preferably, a one-way valve is arranged at the inflation interface, a pressure indicator used for detecting the pressure in the balloon is arranged on one side, away from the inlet of the inflation interface, of the one-way valve, and the pressure indicator is communicated with the inner cavity of the inflation interface. The hemostasis device need let in air to sacculus chamber way when using, makes the sacculus inflation, sealed vagina, and the setting of check valve can avoid the air that lets in to spill from aerifing the kneck, and pressure indicator can detect by the pressure in the sacculus, and then judges whether pressure in the sacculus is in safety range.

Preferably, the pressure indicator includes: the air inflation connector comprises a shell, an indicating rod and a spring, wherein one end of the shell is communicated with an inner cavity of the air inflation connector, and the indicating rod penetrates through the other end of the shell; the interior of the shell is hollow; one end of the indicating rod extends into the shell, the other end of the indicating rod is arranged outside the shell, a bottom plate is fixed at one end of the indicating rod arranged in the shell, and a sealing ring is arranged on the peripheral surface of the bottom plate; the spring is arranged in the shell, one end of the spring is fixedly connected with the shell, and the other end of the spring is fixedly connected with the bottom plate. Whether the pressure in the balloon is in a safe range or not can be simply judged through the length of the indication rod extending out of the shell.

Preferably, a guide wire is arranged in the drainage cavity channel in a penetrating mode, and one end, extending out of the drainage interface, of the guide wire is arc-shaped. Aiming at intrauterine bleeding under general conditions, a guide wire is usually inserted into a drainage cavity, then a tube body is placed in the uterus, after the insertion is finished, the guide wire is taken out, the end part of the guide wire is arc-shaped, so that the guide wire can be conveniently grabbed, and the guide wire is placed in or taken out; for intrauterine hemorrhage under the condition of natural delivery, a guide wire is not required to be placed, and the catheter is directly placed into the uterus.

Preferably, the cross section of the guide head end perpendicular to the axial direction is circular, flat or cross-shaped.

Preferably, the electric aspirator includes: a case, an oilless negative pressure pump and a hard drainage bottle; the hard drainage bottle and the oilless negative pressure pump are arranged in the case, and the hard drainage bottle is communicated with the suction pipeline and the oilless negative pressure pump through a guide pipe. Under the action of the oil-free negative pressure pump, the accumulated blood in the uterus can be sucked into the drainage bottle of the suction body.

Preferably, a filter, a negative pressure regulator and a negative pressure meter are further arranged in the case; negative pressure regulator and negative pressure table all with oil-free negative pressure pump is connected, the one end of filter with the hard body drainage bottle is connected, the other end with oil-free negative pressure pump is connected. The oil-free negative pressure pump can be regulated by a negative pressure regulator.

Preferably, the inner walls of the drainage channel and the suction channel are coated with an anticoagulant coating, so that the adhesion of blood in the drainage channel and the suction channel can be reduced.

Preferably, the anticoagulant coating is a heparin coating.

Preferably, the tube body is made of silicon rubber or PVC or polyurethane, and the materials have high elastic modulus and good supporting force and have good biological compatibility.

According to the technical scheme, compared with the prior art, the intrauterine vacuum compression hemostasis device disclosed by the invention has the beneficial effects that:

(1) the catheter has long duration of one-time operation, can be continued to the end of treatment, has small damage to patients, and can reduce the risk caused by multiple operations;

(2) the suction pipeline can be observed at any time to confirm whether the blood drainage condition still exists or not, and whether the continuous bleeding phenomenon exists in the uterus or not is judged;

(3) after hemostasis, no residual hematocele is left in the uterus, and secondary infection is not easy to cause;

(4) the instrument is easy to withdraw, and tissue adhesion can not occur.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of a hemostatic device provided in accordance with the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A in accordance with the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B in accordance with the present invention;

FIG. 4 is a schematic view of an electric suction device in the hemostatic device according to the present invention;

FIG. 5 is a schematic structural view of a hemostatic device according to the present invention, wherein the guide head has a flat cross-section;

FIG. 6 is a cross-sectional view of the guide head of the hemostatic device according to the present invention;

fig. 7 is a schematic structural view of a hemostatic device according to the present invention in use.

Wherein, in the figure,

1-a pipe body;

11-a lead end; 12-drainage of the cavity; 13-drainage holes; 14-balloon groove; 15-balloon tract;

2-a drainage interface; 3-a balloon; 4-an inflation interface;

5-an electric suction apparatus;

51-a suction conduit; 52-a chassis; 53-negative pressure gauge; 54-hard drainage bottle; 55-a filter; 56-negative pressure regulator;

6-a one-way valve;

7-a pressure indicator;

71-a housing; 72-an indicator stick; 73-a spring; 74-a base plate;

8-guide wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention discloses an intrauterine vacuum compression hemostasis device, which comprises:

one end of the tube body 1 is provided with a guide head end 11, and the other end of the tube body 1 is in an open shape and is connected with a drainage interface 2; a drainage cavity channel 12 is arranged in the tube body 1 along the axial direction, and a plurality of drainage holes 13 communicated with the drainage cavity channel 12 are arranged on the outer surface of the guide head end 11; the drainage interface 2 is communicated with the drainage cavity 12;

the outer surface of one end, close to the drainage 2, of the catheter body 1, which is positioned at the end of the catheter end 11, is provided with a balloon groove 14, and the balloon 3 is fixed in the balloon groove 14; a balloon cavity channel 15 is formed in the side wall of the tube body 1, the balloon cavity channel 15 is arranged along the axial direction of the tube body 1, a balloon hole communicated with the balloon cavity channel 15 is formed in the surface of the balloon groove 14, and one end, close to the drainage interface 2, of the balloon cavity channel 15 is connected with the inflation interface 4;

the electric suction apparatus 5 is communicated with the drainage interface 4 through a suction pipeline 51.

In order to further optimize the technical scheme, a one-way valve 6 is arranged at the inflation port 4, a pressure indicator 7 for detecting the pressure in the balloon 3 is arranged on one side, away from an inlet of the inflation port 4, of the one-way valve 6, and the pressure indicator 7 is communicated with an inner cavity of the inflation port 4.

In order to further optimize the above solution, the pressure indicator 7 comprises: the inflation connector comprises a shell 71, an indication rod 72 and a spring 73, wherein one end of the shell 71 is communicated with an inner cavity of the inflation connector 4, and the other end of the shell is provided with the indication rod 72 in a penetrating way; the inside of the housing 71 is hollow; one end of the indicating rod 72 extends into the shell 71, the other end of the indicating rod 72 is arranged outside the shell 71, a bottom plate 74 is fixed at one end of the indicating rod 72 arranged in the shell 71, and a sealing ring is arranged on the peripheral surface of the bottom plate 74; the spring 73 is disposed in the housing 71, and one end thereof is fixedly connected to the housing 71 and the other end thereof is fixedly connected to the bottom plate 74. The surface of the indicating rod 72 is coated with color, when the pressure in the balloon 3 is less than the safe air pressure, the length of the rod body of the indicating rod 72 exposed out of the shell 71 is displayed as white under the action of the external atmospheric pressure; on the contrary, when the pressure in the balloon 3 is higher than the safe air pressure, the length of the rod body of the indicating rod 72 exposed out of the shell 71 is displayed in red; when the pressure in the balloon 3 is in the safe air pressure range, the length of the rod body of the indicating rod 72 exposed out of the shell 71 is displayed in green.

In order to further optimize the technical scheme, a guide wire 8 is arranged in the drainage cavity 12 in a penetrating mode, and one end, extending out of the drainage interface 2, of the guide wire 8 is arc-shaped.

In order to further optimize the above technical solution, the cross section of the leading end 11 perpendicular to the axial direction thereof is circular, flat or cross-shaped. In the case of normal uterine bleeding, the guide tip 11 having a circular cross section of the guide tip 11 is selected, and in the case of antenatal uterine bleeding, the guide tips 11 having three cross sections can be selected.

In order to further optimize the above technical solution, the electric aspirator 5 includes: a case 52, an oilless negative pressure pump and a hardware drainage bottle 54; the hard drainage bottle 54 and the oilless negative pressure pump are both arranged in the case 52, and the hard drainage bottle 54 is communicated with the suction pipeline 51 and the oilless negative pressure pump through a conduit.

In order to further optimize the above technical solution, a filter 55, a negative pressure regulator 56 and a negative pressure meter 53 are further arranged in the case 52; the negative pressure regulator 56 and the negative pressure meter 53 are both connected with an oil-free negative pressure pump, one end of the filter 55 is connected with the hard body drainage bottle 54, and the other end is connected with the oil-free negative pressure pump.

To further optimize the above technical solution, the inner walls of the drainage lumen 12 and the aspiration conduit 51 are coated with an anticoagulant coating.

In order to further optimize the technical scheme, the anticoagulant coating is a heparin coating, heparin is grafted on the surface of the catheter through the heparin coating by chemical bonds, and the coating can be fixed on the surface of the medical instrument for a long time, so that the adhesion of blood components is remarkably reduced.

In order to further optimize the technical scheme, the pipe body 1 is made of silicon rubber or PVC or polyurethane.

The use process comprises the following steps:

aiming at the common intrauterine hemorrhage, a guide wire 8 is placed in a drainage cavity 12, then a tube body 1 is placed in the uterus, the guide wire 8 is taken out, a syringe is used for injecting physiological saline or air into a balloon cavity 15 through a one-way valve 6, and the diameter of a balloon 3 is expanded to seal the vagina; connecting the suction pipeline 51 of the electric suction apparatus 5 to the drainage interface 2, starting the oil-free negative pressure pump, observing the negative pressure meter 53, and adjusting the negative pressure regulator 56 to maintain the negative pressure at a specific value; adjusting the position of the tube body 1 to confirm that the saccule 3 is pressed against the cervix under the action of atmospheric pressure, and checking a pressure indicator 7 to ensure that the saccule 3 works in a safe range; the negative pressure operation is maintained for 12 hours, and the negative pressure gauge 53 and the pressure indicator 7 are observed at any time during the operation to ensure the normal operation.

Aiming at the intrauterine bleeding of the paragenesis type, the tube body 1 is directly placed into the uterus, the normal saline or air is injected into the sacculus cavity channel 15 through the one-way valve 6 by using an injector, and the diameter of the sacculus 3 is expanded to seal the vagina; connecting the suction pipeline 51 of the electric suction apparatus 5 to the drainage interface 2, starting the oil-free negative pressure pump, observing the negative pressure meter 53, and adjusting the negative pressure regulator 56 to maintain the negative pressure at a specific value; adjusting the position of the tube body 1 to confirm that the saccule 3 is pressed against the cervix under the action of atmospheric pressure, and checking a pressure indicator 7 to ensure that the saccule 3 works in a safe range; the negative pressure operation is maintained for 12 hours, and the negative pressure gauge 53 and the pressure indicator 7 are observed at any time during the operation to ensure the normal operation.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. intrauterine vacuum compression hemostatic device, is characterized in that, comprises:

A pipe body (1), one end of the pipe body (1) is provided with a guide end (11), the other end is open, and is connected with a drainage interface (2); the interior of the pipe body (1) is along its axis A drainage channel (12) is opened in the direction, and a plurality of drainage holes (13) communicated with the drainage channel (12) are provided on the outer surface of the leading end (11); the drainage interface (2) is connected to The drainage cavity (12) is communicated;

A balloon (3), a balloon groove (14) is provided on the outer surface of one end of the tube body (1) located at the leading end (11) close to the drainage (2), and the balloon (3) is fixed on the In the balloon groove (14); a balloon lumen (15) is provided in the side wall of the tubular body (1), and the balloon lumen (15) is arranged along the axial direction of the tubular body (1), A balloon hole communicated with the balloon lumen (15) is provided on the surface of the balloon groove (14), and one end of the balloon lumen (15) close to the drainage interface (2) is connected to an inflation interface (4);

An electric suction device (5), the electric suction device (5) communicates with the drainage interface (4) through a suction pipe (51).

2 . The intrauterine vacuum compression hemostasis device according to claim 1 , wherein a one-way valve (6) is provided at the inflatable interface (4), and the one-way valve (6) is far away from the inflatable interface. 3 . (4) A pressure indicator (7) for detecting the pressure in the balloon (3) is provided on one side of the inlet, and the pressure indicator (7) communicates with the inner cavity of the inflation port (4).

3. The intrauterine vacuum compression hemostatic device according to claim 2, wherein the pressure indicator (7) comprises: a casing (71), an indicator rod (72) and a spring (73), the casing One end of the body (71) is communicated with the inner cavity of the inflatable interface (4), and the other end is provided with the indicator rod (72); the interior of the shell (71) is hollow; the indicator rod One end of (72) extends into the casing (71), the other end is placed outside the casing (71), and one end of the indicator rod (72) placed in the casing (71) is fixed with a bottom plate ( 74), a sealing ring is provided on the outer peripheral surface of the bottom plate (74); the spring (73) is placed in the casing (71), one end of which is fixedly connected with the casing (71), and the other end is It is fixedly connected with the bottom plate (74).

4 . The intrauterine vacuum compression hemostatic device according to claim 1 , wherein a guide wire ( 8 ) is passed through the drainage channel ( 12 ), and the guide wire ( 8 ) protrudes out of the The outer end of the drainage interface (2) is arc-shaped.

5 . The intrauterine vacuum compression hemostatic device according to claim 1 , wherein the cross section of the guide end ( 11 ) perpendicular to the axial direction thereof is circular, flat or cross. 6 .

6. The intrauterine vacuum compression hemostasis device according to claim 1, wherein the electric suction device (5) comprises: a case (52), an oil-free negative pressure pump and a hard drainage bottle (54); The hard drainage bottle (54) and the oil-free negative pressure pump are both placed in the chassis (52), and the hard drainage bottle (54) is connected to the suction pipe (51) and the oil-free negative pressure pump through a conduit. connected.

7. The intrauterine vacuum compression hemostasis device according to claim 6, wherein a filter (55), a negative pressure regulator (56) and a negative pressure gauge (53) are also provided in the housing (52) ; The negative pressure regulator (56) and the negative pressure gauge (53) are all connected with the oil-free negative pressure pump, one end of the filter (55) is connected with the hard body drainage bottle (54), and the other One end is connected with the oil-free negative pressure pump.

8. The intrauterine vacuum compression hemostatic device according to any one of claims 1-7, wherein the inner walls of the drainage channel (12) and the suction conduit (51) are coated with an anticoagulant coating.

9 . The intrauterine vacuum compression hemostatic device according to claim 8 , wherein the anticoagulant coating is selected from heparin coating. 10 .

10 . The intrauterine vacuum compression hemostatic device according to claim 9 , wherein the tube body ( 1 ) is made of silicon rubber or rubber or PVC or polyurethane. 11 .