CN215306361U

CN215306361U - Sacculus expander

Info

Publication number: CN215306361U
Application number: CN202121617589.1U
Authority: CN
Inventors: 徐浩宇
Original assignee: Jiangsu Aiyuan Medical Technology Corp
Current assignee: Jiangsu Yangzi River Medical Technology Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2021-12-28
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a balloon dilator which comprises a tube body, wherein one end of the tube body is connected with a connecting piece, a balloon is sleeved on the surface of the other end of the tube body, the connecting piece comprises a first connecting tube and a second connecting tube, the first connecting tube and the second connecting tube are Y-shaped structures, a first passage is formed in the first connecting tube, a second passage is formed in the second connecting tube, an infusion cavity and a drainage cavity are formed in the tube body, one end of the infusion cavity is communicated with the balloon, the other end of the infusion cavity is communicated with the second passage, one end of the drainage cavity is connected with the first passage, the front end of the balloon is of a hemispherical structure, and the rest of the balloon is of a cylindrical structure. The utility model changes the structure of the balloon, and the cylindrical structure has longer expansion length compared with the traditional balloon, and can provide sufficient force to expand the channel.

Description

Sacculus expander

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a balloon dilator.

Background

Those with a bleeding volume of more than 500mL within 24 hours after delivery are called postpartum hemorrhage, with 80% occurring within 2 hours of delivery. Postpartum hemorrhage is a serious complication in the childbirth period and is one of four causes of death of pregnant and lying-in women. Postpartum hemorrhage in China has been the first cause of death of pregnant and lying-in women in recent years, and the situation is more prominent particularly in remote and laggard areas. The incidence rate of postpartum hemorrhage accounts for 2% -3% of the total number of childbirth, except that gynecological hemorrhage is easy to occur in gynecological abortion, birth control surgery and the like, the actual incidence rate is higher due to the fact that subjective factors of measuring and collecting the amount of hemorrhage are large.

The pathogenesis of postpartum hemorrhage is uterine contraction hypodynamia, flaccid birth canal laceration, placenta factor and blood coagulation function obstruction in sequence, and the four causes can exist in a combined way or can be causal. At present, the prior art mainly uses medicines to promote uterine contraction or fill gauze into uterine cavities to control bleeding, the side effects of the medicines are large, and the side effects of nausea, vomiting, diarrhea, shivering, temperature rise and the like are common and have large harm to the bodies of the lying-in women. The gauze packing operation is very complicated and difficult to observe the hemostasis condition of the patient, and brings great inconvenience to the work of doctors.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a balloon dilator which comprises a tube body, wherein one end of the tube body is connected with a connecting piece, a balloon is sleeved on the surface of the other end of the tube body, the connecting piece comprises a first connecting tube and a second connecting tube, the first connecting tube and the second connecting tube are Y-shaped structures, a first passage is formed in the first connecting tube, a second passage is formed in the second connecting tube, an infusion cavity and a drainage cavity are formed in the tube body, one end of the infusion cavity is communicated with the balloon, the other end of the infusion cavity is communicated with the second passage, one end of the drainage cavity is connected with the first passage, the front end of the balloon is of a hemispherical structure, and the rest of the balloon is of a cylindrical structure.

Preferably, one side of the second connecting pipe is connected with a flow limiting device, one side of the flow limiting device is connected with an injector, the flow limiting device comprises a connecting sleeve, a connecting section and an injection section are arranged in the connecting sleeve, an upper elastic piece and a lower elastic piece are arranged in the connecting section, one side of the upper elastic piece and one side of the lower elastic piece are respectively connected with a first convex piece and a second convex piece, and an opening with a V-shaped cross section is formed between the first convex piece and the second convex piece.

Preferably, one end of the drainage cavity, which is far away from the connecting piece, is a closed end, and two or more drainage holes are formed in the side face of the closed end.

Preferably, the surface of the tube body is further provided with scale marks, and the scale marks take the tail end of the balloon as a starting point and are marked at intervals of 5 mm.

Preferably, the tail part of the first connecting pipe is connected with a luer, and the luer is connected with a drainage device.

The utility model has the advantages that:

1. compared with the traditional balloon, the balloon has longer length after expansion, can provide better expansion tension to expand a channel, improves the supporting effect, can play a corresponding hemostasis effect by compression during expansion, drains blood in a uterine cavity into an extracorporeal drainage bag while stanching, and is time-saving and labor-saving.

2. The flow limiting device can ensure that the normal saline in the infusion cavity cannot overflow from the infusion cavity after the injector is drawn out, and meanwhile, the injector can be conveniently inserted flexibly and quickly.

Drawings

FIG. 1 is a schematic view of an assembly structure of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a view of the construction of the connection sleeve of the present invention;

FIG. 4 is a view showing the injection state of the connecting sleeve according to the present invention;

in the figure: the injection device comprises a tube body 1, a balloon 2, a first connecting tube 3, a second connecting tube 4, a first passage 5, a second passage 6, an infusion cavity 7, a drainage cavity 8, a syringe 9, a connecting sleeve 10, a connecting section 11, an injection section 12, an upper elastic part 13, a lower elastic part 14, a first convex part 15, a second convex part 16, an opening 17, a drainage hole 18, scale lines 19 and luer 20.

Detailed Description

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

Example 1

As shown in fig. 1-2, a balloon dilator comprises a tube body 1, one end of the tube body 1 is connected with a connecting piece, a balloon 2 is sleeved on the surface of the other end of the tube body 1, the connecting piece comprises a first connecting tube 3 and a second connecting tube 4, the first connecting tube 3 and the second connecting tube 4 are in a Y-shaped structure, a first passage 5 is arranged inside the first connecting tube 3, a second passage 6 is arranged inside the second connecting tube 4, an infusion cavity 7 and a drainage cavity 8 are arranged inside the tube body 1, one end of the infusion cavity 7 is communicated with the balloon 2, the other end of the infusion cavity is communicated with the second passage 6, one end of the drainage cavity 8 is connected with the first passage 5, the front end of the balloon 2 is in a hemispherical structure, the rest parts of the balloon 2 are in a cylindrical structure, after the balloon 2 is expanded, the length of the balloon 2 can be expanded to 6cm, a better expansion tension can be given to expand the uterine cavity, and a supporting effect is improved, the sacculus 2 can play corresponding hemostatic effect through the oppression of expansion, and the blood drainage of palace intracavity is to external drainage bag in through drainage chamber 8 in the hemostatic time, labour saving and time saving. The one end that the connecting piece was kept away from to drainage chamber 8 is the blind end, and the side of blind end is equipped with two or more drainage holes 18, and remaining blood in uterus gets into drainage chamber 8 through drainage hole 18 and concentrates the drainage to the drainage bag in. The surface of the tube body 1 is also provided with scale marks 19, the scale marks 19 take the tail end of the balloon 2 as a starting point, and mark points are made at intervals of 5mm, the scale marks 19 solve the problem that a doctor cannot accurately hold the position of the dilator, the tail part of the first connecting tube 3 is connected with a luer 20, and the luer 20 is connected with a drainage device.

This embodiment is used: the head end of the sacculus 2 is firstly placed into the uterus, the normal saline is injected into the sacculus 2 from the infusion cavity 7 through the second passage 6, hemostasis is carried out through physical compression, and residual blood in the uterus enters the drainage cavity 8 through the drainage hole 18 to be drained into the drainage bag in a centralized way. After hemostasis is completed, the syringe 9 is used for pumping out the physiological saline in the saccule 2, thereby achieving the effect of facilitating the use of doctors.

Example 2

As shown in fig. 1 to 4, this embodiment has the same portions as embodiment 1, and is different in that: one side of second connecting pipe 4 is connected with current limiting device, one side of current limiting device is connected with syringe 9, current limiting device includes adapter sleeve 10, adapter sleeve 10's inside is equipped with linkage segment 11 and injection section 12, the inside of linkage segment 11 is equipped with elastic component 13 and lower elastic component 14, go up elastic component 13 and one side of elastic component 14 down and be connected with first protruding piece 15 and the protruding piece 16 of second respectively, be formed with an opening 17 that the cross-section is the V-arrangement between first protruding piece 15 and the protruding piece 16 of second. After the syringe 9 is not inserted or the syringe 9 is withdrawn, the flow restriction device is shown in fig. 3, the upper elastic member 13 and the lower elastic member 14 are closed by the elastic force, the connecting section 11 is closed, when the syringe 9 is inserted, as shown in fig. 4, the front needle tube portion of the syringe 9 presses the first projecting member 15 and the second projecting member 16, so that the first projecting member 15 and the second projecting member 16 are separated, and further drives the upper elastic part 13 and the lower elastic part 14 to separate, so that the needle tube extends inwards to be communicated with the connecting section 11, and then corresponding injection or extraction operation is carried out, after the operation is finished, the syringe 9 is pulled out, goes up elastic component 13 and lower elastic component 14 and closes mutually, guarantees that normal saline can not overflow or the foreign matter gets into the second siphunculus, goes up the both sides of elastic component 13 and lower elastic component 14 and can directly be connected with the inner wall of injection section 12, also can further promote elasticity through addding the spring. The device can improve the plugging efficiency of the injector 9 and the corresponding current-limiting effect

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A balloon dilator characterized by: comprises a tube body (1), one end of the tube body (1) is connected with a connecting piece, the surface of the other end of the tube body (1) is sleeved with a saccule (2), the connecting piece comprises a first connecting pipe (3) and a second connecting pipe (4), the first connecting pipe (3) and the second connecting pipe (4) are Y-shaped structures, a first passage (5) is arranged inside the first connecting pipe (3), a second passage (6) is arranged inside the second connecting pipe (4), an infusion cavity (7) and a drainage cavity (8) are arranged in the tube body (1), one end of the infusion cavity (7) is communicated with the saccule (2), the other end of the infusion cavity (7) is communicated with the second passage (6), one end of the drainage cavity (8) is connected with the first passage (5), the front end of the balloon (2) is of a hemispherical structure, and the rest part of the balloon (2) is of a cylindrical structure.

2. A balloon dilator according to claim 1 wherein: one side of second connecting pipe (4) is connected with current limiting device, one side of current limiting device is connected with syringe (9), current limiting device includes adapter sleeve (10), the inside of adapter sleeve (10) is equipped with linkage segment (11) and injection section (12), the inside of linkage segment (11) is equipped with elastic component (13) and lower elastic component (14), it is connected with first protruding piece (15) and protruding piece (16) of second respectively with one side of lower elastic component (14) to go up elastic component (13), be formed with opening (17) that a cross-section is the V-arrangement between first protruding piece (15) and the protruding piece (16) of second.

3. A balloon dilator according to claim 2 wherein: the one end that connecting piece was kept away from in drainage chamber (8) is the blind end, the side of blind end is equipped with two or more drainage hole (18).

4. A balloon dilator according to claim 3 wherein: the surface of the tube body (1) is also provided with scale marks (19), and the scale marks (19) take the tail end of the balloon (2) as a starting point and are marked every 5 mm.

5. The balloon dilator of claim 4, wherein: the tail of the first connecting pipe (3) is connected with a luer (20), and the luer (20) is connected with a drainage device.