CN203290983U

CN203290983U - Miscarriage suction tube

Info

Publication number: CN203290983U
Application number: CN2013202484344U
Authority: CN
Inventors: 胡文溢
Original assignee: HUNAN KANGDU PHARMACEUTICAL CO Ltd
Current assignee: HUNAN KANGDU PHARMACEUTICAL CO Ltd
Priority date: 2013-05-09
Filing date: 2013-05-09
Publication date: 2013-11-20
Anticipated expiration: 2023-05-09

Abstract

The utility model discloses a miscarriage suction tube. The miscarriage suction tube comprises a double-lumen tube and a handle, wherein the double-lumen tube internally comprises a suction cavity and an air supplementing cavity, one end of the double-lumen tube is provided with plugs, a suction hole and an air outlet, the suction hole is connected with the suction cavity, the air outlet is connected with the air supplementing cavity, the plugs are arranged at two ends of the air supplementing cavity and are used for sealing the two ends of the air supplementing cavity, the other end of the double-lumen tube and the handle are mutually connected, a fixing plug is arranged at the end head position wherein the air supplementing cavity of the double-lumen tube is connected with the handle, an air inlet of the air supplementing cavity is provided with a one-way valve, and the one-way valve is connected with the air supplementing cavity through the air inlet. The feeling of holding the miscarriage suction tube by a doctor cannot be affected if vacuum is closed during an operation process, and the finishing of a miscarriage operation can be ensured.

Description

A kind of miscarriage pipet

Technical field

This utility model relates to medical instruments field, especially, relates to a kind of miscarriage pipet.

Background technology

Existing miscarriage pipet mainly is comprised of double lumen tube, handle and plug, wherein double lumen tube is by attracting hole, attracting chamber, QI invigorating chamber, air inlet and gas outlet to form, double lumen tube and handle are tightly connected, and attract chamber to be communicated with the through hole in handle, the handle other end is provided with the union joint with tapering that is connected with vacuum pipe.Plug is by the sealing of two, QI invigorating chamber, and air inlet is communicated with by the QI invigorating chamber with gas outlet like this.During use, miscarriage pipet is connected with vacuum tube, and when it is inserted into intrauterine suction amniotic fluid, intrauterine will form vacuum, and at this moment air enters intrauterine by the QI invigorating chamber from gas outlet by air inlet, the pain of bringing to alleviate condition of high vacuum degree.But, if in operation process, close vacuum (as bait), after intrauterine and external pressure balance, intrauterine blood and slime enters the QI invigorating chamber by gas outlet, finally from air inlet, flow out, along the double lumen tube outer wall, flow on the outer wall of handle, after this situation occurring, the sensation that the doctor grips miscarriage pipet can be affected, and then affects completing of abortion operation.

Therefore, a kind of novel miscarriage pipet of development has been technical problem urgently to be resolved hurrily.

The utility model content

This utility model purpose is to provide a kind of miscarriage pipet, to solve in operation process, owing to closing vacuum, has influence on the technical problem that operation completes.

for achieving the above object, according to an aspect of the present utility model, a kind of miscarriage pipet is provided, comprise double lumen tube and hands handle, in double lumen tube, include and attract chamber and QI invigorating chamber, one end of double lumen tube is provided with plug, attract hole and gas outlet, attract hole to connect and attract chamber, gas outlet connects the QI invigorating chamber, plug is arranged on the two ends in QI invigorating chamber the QI invigorating chamber is sealed at both ends, the other end and the handle of double lumen tube interconnect, the position, termination that the QI invigorating chamber of double lumen tube is connected with handle is provided with fixedly plug, QI invigorating is provided with air inlet on chamber, on the air inlet in QI invigorating chamber, be provided with check valve, check valve connects the QI invigorating chamber by air inlet.

Further, check valve comprises Connection Block, and check valve is fastened on double lumen tube by Connection Block, in Connection Block, be provided with spring, spring is provided with spool, and movable valve seat is fixedly connected on Connection Block, and the passage on spool and movable valve seat is provided with the taper seat of the sealing that cooperatively interacts.Further, check valve comprises Connection Block, and check valve is fastened on double lumen tube by Connection Block, in Connection Block, is fixed with spring, on spring, is fixed with spool, and the moving valve cover for seat is on Connection Block and spool, and movable spool is provided with passage over against the position of spool.

Further, between Connection Block and movable valve seat, be provided with sealing ring.

Further, double lumen tube inserts in handle and interconnects.

Further, double lumen tube is crooked structure with the part that attracts hole and gas outlet.

Further, attracting hole is the lonely L of ellipse depression that is arranged on the double lumen tube termination.

Further, in the middle part of handle, for connection, attract the through hole in chamber and the external world.

Further, the extraneous end of handle connection is provided with vacuum pump.

Further, the position that is connected with vacuum pump of handle is the union joint with tapering.

The utlity model has following beneficial effect:

Air inlet at miscarriage pipet increases by a check valve.Its operation principle is as follows: while vacuum being arranged in uterus, under the effect of atmospheric pressure, the elastic force that the spool of check valve overcomes spring moves up, and air enters air inlet through the passage of check valve like this, through the QI invigorating chamber, enters intrauterine, guarantees the intrauterine pressure dynamic balance.When intrauterine pressure power was identical with atmospheric pressure, owing to there is no pressure differential, the spool of check valve was by the pathway closure of check valve under the effect of spring, and intrauterine like this blood and slime just can not flow out from air inlet.If in operation process, close vacuum (as bait), the sensation that the doctor grips miscarriage pipet can not be affected yet, thereby guarantees completing of abortion operation.

Except purpose described above, feature and advantage, this utility model also has other purpose, feature and advantage.Below with reference to figure, this utility model is described in further detail.

The accompanying drawing explanation

The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining this utility model, does not form improper restriction of the present utility model.In the accompanying drawings:

Fig. 1 is the structural representation of the miscarriage pipet of this utility model preferred embodiment while using;

Partial enlarged drawing when Fig. 2 is the b place closed check valve of miscarriage pipet of this utility model preferred embodiment;

Fig. 3 is the b place one-way valve opens partial enlarged drawing of the miscarriage pipet of this utility model preferred embodiment;

Fig. 4 is the miscarriage pipet of this utility model preferred embodiment former existing schematic diagram of air-flow while using;

Fig. 5 is section's diagram of the miscarriage pipet double lumen tube of this utility model preferred embodiment.

The specific embodiment

Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that this utility model can be defined by the claims and cover is implemented.

Fig. 1 is the structural representation of the miscarriage pipet of this utility model preferred embodiment while using, Fig. 4 is the miscarriage pipet of this utility model preferred embodiment former existing schematic diagram of air-flow while using, referring to Fig. 1, 4, miscarriage pipet comprises double lumen tube 1 and handle 2, in double lumen tube 1, include and attract chamber 3 and QI invigorating chamber 4, one end of double lumen tube 1 is provided with plug 5, attract hole 6 and gas outlet 7, attract hole 6 to connect and attract chamber 3, gas outlet 7 connects QI invigorating chamber 4, plug 5 is arranged on the two ends in QI invigorating the chamber 4 QI invigorating chamber is sealed at both ends, the other end and the handle of double lumen tube 1 interconnect, the position, termination that the QI invigorating chamber 4 of double lumen tube 1 is connected with handle 2 is provided with fixedly plug 8, on QI invigorating chamber 4, be provided with air inlet 10, on the air inlet 10 in QI invigorating chamber 4, be provided with check valve 9, check valve 9 connects QI invigorating chamber 4 by air inlet 10.Check valve 9 comprises Connection Block 11, check valve 9 is fastened on double lumen tube 1 by Connection Block 11, in Connection Block ll, be provided with spring 12, spring 12 is provided with spool 13, it is upper that movable valve seat 14 is fixedly connected on Connection Block 1l, and spool 13 is provided with the passage 15 on movable valve seat 14 taper seat that cooperatively interacts and seal.Between Connection Block 11 and movable valve seat 14, be provided with sealing ring 16, double lumen tube 1 inserts in handle 2 and interconnects, double lumen tube 1 is the structure that is bent upwards with the part that attracts hole 6 and gas outlet 7, attract hole 6 for being arranged on the oval pit-holes of double lumen tube 1 termination, handle 2 middle parts are for being communicated with the through hole 17 that attracts chamber 3 and the external world, handle 2 connects an extraneous end and is provided with vacuum pump, and the position that handle 2 is connected with vacuum pump is the union joint 18 with tapering.As shown in Fig. 1,4, while with the miscarriage pipet of check valve, using, be deep in a of uterus.

It also is, with the miscarriage pipet of check valve, mainly double lumen tube 1, handle 2, plug 5 and check valve 9, consists of, and wherein double lumen tube l is by attracting hole 6, attracting chamber 3, QI invigorating chamber 4, air inlet 10 and gas outlet 7 to form.

It also is, double lumen tube and handle are tightly connected, and attracts the interior through hole 17 of chamber and handle to be communicated with, and the handle other end is provided with the union joint with tapering 18 that is connected with vacuum pipe.

It also is, plug 5 is by the 4 two sealings of QI invigorating chamber, and air inlet 10, QI invigorating chamber 4 and gas outlet 7 form passages.

It also is, check valve 9 is arranged on air inlet 10 places, with double lumen tube 1, is tightly connected, and the passage 15 of check valve 9 is communicated with air inlet 10.

partial enlarged drawing when Fig. 2 is the b place closed check valve of miscarriage pipet of this utility model preferred embodiment, Fig. 3 is the b place one-way valve opens partial enlarged drawing of the miscarriage pipet of this utility model preferred embodiment, referring to Fig. 2, 3, air inlet 10 at miscarriage pipet increases by a check valve 4 as shown in Figure 1, its operation principle is as follows: while in a of uterus, vacuum being arranged, under the effect of atmospheric pressure, the elastic force that the spool 13 of check valve 9 overcomes spring 12 moves up, air enters air inlet 10 as shown in Figure 2 through the passage 15 of check valve 9 like this, in QI invigorating chamber 4 enters uterus a, guarantee uterus a internal pressure balance.When uterus a internal pressure was identical with atmospheric pressure, owing to there is no pressure differential, the spool 13 of check valve 9 was closed the passage of check valve 15 as shown in Figure 3 under the effect of spring 12, and intrauterine like this blood and slime just can not flow out from air inlet 10.

Fig. 5 is section's diagram of the miscarriage pipet double lumen tube of this utility model preferred embodiment, Fig. 5 is Fig. 1,4 A-A profile, double lumen tube 1 contains and attracts chamber 3 and QI invigorating chamber 4, and attracting chamber 3 and the cross sectional shape in QI invigorating chamber 4 is that formed circular section, QI invigorating chamber 4 is inscribed within attraction formed circular section, chamber 3.

The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a miscarriage pipet, comprise double lumen tube (1) and handle (2),

In described double lumen tube (1), include and attract chamber (3) and QI invigorating chamber (4),

One end of described double lumen tube (1) is provided with plug (5), attracts hole (6) and gas outlet (7),

Described attraction hole (6) connects described attraction chamber (3),

Described gas outlet (7) connects described QI invigorating chamber (4),

Described plug (5) is arranged on the two ends in described QI invigorating chamber (4) described QI invigorating chamber is sealed at both ends,

The other end and the handle of described double lumen tube (1) interconnect,

The position, termination that the described QI invigorating chamber (4) of described double lumen tube (1) is connected with described handle (2) is provided with fixedly plug (8),

It is characterized in that, on described QI invigorating chamber (4), be provided with air inlet (10), on the described air inlet (10) in described QI invigorating chamber (4), be provided with check valve (9),

Described check valve (9) connects QI invigorating chamber (4) by described air inlet (10).

2. miscarriage pipet according to claim 1, is characterized in that, described check valve (9) comprises Connection Block (11),

It is upper that described check valve (9) is fastened on described double lumen tube (1) by Connection Block (11),

In described Connection Block (11), be provided with spring (12),

Described spring (12) is provided with spool (13),

It is upper that movable valve seat (14) is fixedly connected on described Connection Block (11),

Described spool (13) is provided with the passage (15) on described movable valve seat (14) taper seat that cooperatively interacts and seal.

3. miscarriage pipet according to claim 2, is characterized in that, between described Connection Block (11) and described movable valve seat (14), is provided with sealing ring (16).

4. the described miscarriage pipet of arbitrary claim according to claim 1 to 3, is characterized in that, described double lumen tube (1) inserts in described handle (2) and interconnects.

5. the described miscarriage pipet of arbitrary claim according to claim 1 to 3, is characterized in that, described double lumen tube (1) is crooked structure with the part of described attraction hole (6) and described gas outlet (7).

6. miscarriage pipet according to claim 5, is characterized in that, described attraction hole (6) is for being arranged on the oval pit-holes of described double lumen tube (1) termination.

7. the described miscarriage pipet of arbitrary claim according to claim 1 to 3, is characterized in that, described handle (2) middle part is for being communicated with the through hole (17) in described attraction chamber (3) and the external world.

8. miscarriage pipet according to claim 7, is characterized in that, described handle (2) connects an extraneous end and is provided with vacuum pump.

9. miscarriage pipet according to claim 8, is characterized in that, the position that described handle (2) is connected with vacuum pump is the union joint (18) with tapering.