CN209033499U - Cervical dilatation foley's tube - Google Patents

Abstract

The utility model provides a kind of cervical dilatation foley's tube, including catheter main body, catheter main body one end string is equipped with the first sacculus and the second sacculus, the catheter main body other end is equipped with the first branch pipe and the second branch pipe, it is equipped with the first passage of connection the first balloon interior and the first branch pipe inside catheter main body, the second channel of connection the second balloon interior and the second branch pipe is additionally provided with inside catheter main body.First branch pipe and the second branch pipe include inlet, and a check valve is equipped in two inlets, and check valve outer wall is equipped with the first buckle protrusion and circular second buckle protrusion of taper.The inner wall of two inlets is equipped with snap-in groove.First buckle male cooperation is mounted in snap-in groove, and the second buckle protrusion abuts inlet end face.The utility model stable structure, use process will not break down, satisfy the use demand.

Description

Cervical dilatation foley's tube

Technical field

The utility model relates to medical instruments fields, and in particular to a kind of cervical dilatation foley's tube.

Background technique

Puerpera need to carry out induced labor by manual method sometimes due to itself or fetus.Comparing conventional way is The sacculus for promoting cervical maturing is placed at cervix, this sacculus is known as cervical dilatation foley's tube.Cervical dilatation Two sacculus are arranged in catheter main body one end of foley's tube, and feed liquor branch pipe is arranged in the other end, and sacculus uses distensible elasticity doctor It is made of material.In use, two sacculus are respectively placed in the inside and outside of cervix opening, by feed liquor branch pipe by physiological saline, sterilization Water etc. is injected into two sacculus, makes two balloon inflations, and two sacculus are one in front and one in back born against inside and outside uterine neck, make uterine neck by It presses and expands.

Common cervical dilatation sacculus branch pipe at present, the check valve at feed liquor branch pipe is mostly directly to be set in branch pipe It is interior, it is easy to happen falls off in use, influence the effectiveness and reliability of product.In addition, injecting or extracting into sacculus Physiological saline has that rate is slower.Further, since expansion of balloon catheter uses the time generally at 6 to 12 hours, and Product is pasted on the thigh of user by medical proof fabric, can cause certain injury when removing adhesive plaster to user.

Therefore, for the defect in the prior art, it is necessary to a kind of novel cervical dilatation foley's tube is designed, with full Sufficient use demand.

Summary of the invention

The purpose of this utility model is to provide a kind of novel cervical dilatation foley's tubes, to satisfy the use demand.

To achieve the above object, cervical dilatation foley's tube provided by the utility model includes catheter main body, conduit master Body one end string is equipped with the first sacculus and the second sacculus, and the catheter main body other end is equipped with the first branch pipe and the second branch pipe, catheter main body Inside is equipped with the first passage of connection the first balloon interior and the first branch pipe, is additionally provided in the second sacculus of connection inside catheter main body The second channel in portion and the second branch pipe.First branch pipe and the second branch pipe include inlet, are equipped with one in two inlets Check valve, check valve outer wall are equipped with the first buckle protrusion and circular second buckle protrusion of taper.Two inlets it is interior Wall is equipped with snap-in groove.First buckle male cooperation is mounted in snap-in groove, and the second buckle protrusion abuts inlet end face.

By above-mentioned scheme as it can be seen that check valve is fixed in the inlet of branch pipe by buckle structure, cone-shaped First buckle protrusion, can not only make the first buckle protrusion be easy to put into snap-in groove, also the first buckle can be effectively prevent convex It rises and falls off from snap-in groove, to guarantee that check valve can be stabilized in the inlet of branch pipe.

Preferably, along inlet end face toward the direction of the first snap-in groove, inlet leans on the part of snap-in groove, diameter by It is decrescence small, and diameter of the inlet at snap-in groove is minimum.

By above-mentioned scheme as it can be seen that inlet is gradually reduced close to the diameter of snap-in groove, further fix unidirectional Valve.

Preferably, two inlet outer surfaces are arranged with cutting ferrule, and cutting ferrule is socketed the second buckle protrusion simultaneously.

Preferably, two cutting ferrules are colour code cutting ferrule, and the color of two cutting ferrules is different.

By above-mentioned scheme as it can be seen that cutting ferrule can further fix check valve, by the color of the cutting ferrule on two inlets, The first branch pipe and the second branch pipe can be distinguished.

Preferably, the injection of corresponding balloon interior is connected to there are two being all provided on the side wall of first passage and second channel Mouthful.

By above-mentioned scheme as it can be seen that first passage and second channel, which pass through two inlets, is communicated to corresponding sacculus Inside can effectively improve the full rate of the injection liquid such as physiological saline or extract rate, improve working efficiency.

Preferably, catheter main body outer surface is additionally provided with subring.

By above scheme as it can be seen that passing through subring by hospital gauze, then catheter main body binding and fixing are existed with gauze The thigh of user can reduce the injury to patient instead of in the way of adhesive plaster stickup fixation.

Detailed description of the invention

Fig. 1 is the structure chart of the utility model cervical dilatation foley's tube.

Fig. 2 is the top view that the utility model cervical dilatation foley's tube is seen from top to bottom from the second sacculus.

Fig. 3 is the cross-sectional view along the direction A-A shown in Fig. 2.

Fig. 4 is the enlarged view of B area shown in Fig. 3.

Fig. 5 is the enlarged view in the region C shown in Fig. 3.

Fig. 6 is the enlarged view in the region D shown in Fig. 3.

Specific embodiment

The following is a further explanation of the present invention with reference to the accompanying drawings and embodiments.In order to which the present embodiment is better described, The certain attachmentes of attached drawing have omission, zoom in or out；To those skilled in the art, in attached drawing certain known features and It illustrates to omit will be understood by.

Referring to Fig. 1 and Fig. 2, the cervical dilatation foley's tube in the present embodiment includes catheter main body 1, catheter main body 1 One end string be equipped with the first sacculus 2 and the second sacculus 3, the first sacculus 2 and the second sacculus 3 can expand when injecting liquid, and Reply is then shunk after extracting liquid, dilation recycles repeatedly.The second end of catheter main body 1 is equipped with the first branch pipe 4 and the Two branch pipes 5, the first branch pipe 4 are identical with the structure composition of the second branch pipe 5.1 one of first branch pipe 4, the second branch pipe 5 and catheter main body Molding.

First branch pipe 4 includes the first inlet 41, and the second branch pipe 5 includes the first inlet 51, is set in the first inlet 41 There is the first check valve 6, is equipped with second one-way valve 7 in the second inlet 51.The injection that check valve not only contributes to liquid is set, It is flow backwards after can avoid liquid injection.It is also arranged with the first cutting ferrule 8 in the outer surface of the first inlet 41, in the second inlet 51 Outer surface is arranged with the second cutting ferrule 9.First cutting ferrule 8 and the second cutting ferrule 9 use colour code cutting ferrule, and the color of two cutting ferrules is different, with This distinguishes the first branch pipe 4 and the second branch pipe 5.

As shown in Figure 1, catheter main body 1 is provided with subring 10 close to 5 meet of the first branch pipe 4 and the second branch pipe.It uses When the cervical dilatation foley's tube of the present embodiment, subring is passed through by hospital gauze, then pass through hospital gauze for conduit master Body 1 is fixed on the thigh of user, by replacement routine in such a way that adhesive plaster pastes fixation, avoids medical proof fabric to patient's skin The injury of skin.

The full sectional view of foley's tube is shown referring to Fig. 3, Fig. 3.As seen from Figure 3, the first branch pipe 4 is in the first feed liquor The first check valve 6 is arranged in the interior location of mouth 41, and the inside of catheter main body 1 is provided with first passage 11,11 one end of first passage It is connected to the first inlet 41, the other end of first passage 11 is connected to the inside of the first sacculus 2.

Likewise, second one-way valve 7 is arranged in the interior location of the second inlet 51 in the second branch pipe 5, catheter main body 1 Inside is also provided with second channel 12, and 12 one end of second channel is connected to the second inlet 51, the other end connection of second channel 12 The inside of second sacculus 3.

The first check valve 6 and second one-way valve 7 in the present embodiment are all that be fixed on its by same bayonet arrangement right In the inlet answered, and the first check valve 6 and second one-way valve 7 use same check valve.In other examples, One check valve 6 and second one-way valve 7 can be different check valve, such as check valve of different sizes, the different list of internal structure To valve etc., no longer repeat one by one here.

By taking the first check valve 6 as an example, referring to fig. 4, the outer wall of the first check valve 6 is equipped with the first buckle protrusion 61 of taper With circular second buckle protrusion 62.Corresponding, the inner wall of the first inlet 41 is equipped with snap-in groove 42.First buckle protrusion 61 are fitted to 42 in snap-in groove, and the second buckle protrusion 62 then abuts the end face 410 of the first inlet 41.It can be with by Fig. 4 Find out, along the direction of the first inlet 41 inside, the diameter of the first buckle protrusion 61 of taper is sequentially reduced, and is set in this way It sets, the first check valve 6 can be made to be easier to promote in the process being packed into inside the first inlet 41, and then keep the first buckle convex 61 are played to be fitted in snap-in groove 42.Meanwhile can effectively prevent the first check valve 6 by when outside pulling force from the first feed liquor It falls off in mouth 41, ensure that the first check valve 6 can be stabilized in the first inlet 41.

In addition, along the first inlet end face 410 toward the direction of snap-in groove 42, by at snap-in groove 42, first into The gradual change portion 411 being gradually reduced in liquid mouth 41 with diameter, diameter of the gradual change portion 411 at snap-in groove 42 are minimum.It adds gradually Change portion 411 increases wall thickness of first inlet 41 at snap-in groove 42, when the first check valve 6 is by outside pulling force, card Bigger reaction force can be provided the first check valve 6 to fix the first check valve 6 by detaining the side wall at groove 42, be enabled first unidirectional Valve 6 is not easy to drop out.

First cutting ferrule 8 is set in the outer surface of the first inlet 41, and the first cutting ferrule 8 is socketed 6 surface of the first check valve simultaneously On second buckle protrusion 62.By the fastening effect of the first cutting ferrule 8, further the first check valve 6 the first inlet 4 it In.

Second one-way valve 7 is fixed in the second inlet 51 using same structure, and the outer surface of the second inlet 51 is same Sample is provided with the second cutting ferrule 9.Only difference is that the color of the first cutting ferrule 8 and the second cutting ferrule 9 is different, such as the One cutting ferrule 8 is used blue scale cutting ferrule, is distinguished the first branch pipe 4 and the second branch pipe with this using red colour code cutting ferrule, the second cutting ferrule 9 5, avoid the case where operating mistake occur when injecting liquid into sacculus.

Referring to Fig. 5, the side wall of first passage 11 is equipped with the inlet 111 and inlet that are connected to inside the first sacculus 2 112.The inside that two inlets are communicated to the first sacculus 2 is set, physiological saline and so on liquid can be improved and be injected into the first sacculus 2 Internal full rate extracts the rate of liquid inside the first sacculus 2, to improve working efficiency.

Likewise, the side wall of second channel 12 is equipped with the inlet 121 being connected to inside the second sacculus 3 referring to Fig. 6 With inlet 122.

The above is only the preferred embodiment of the present invention, is not intended to limit the invention.It is all in the utility model Spirit and principle within, any modification, equivalent replacement, improvement and so on should be included in the protection model of the utility model Within enclosing.

Claims (6)

1. cervical dilatation foley's tube, including catheter main body, catheter main body one end string is equipped with the first sacculus and the second ball Capsule, the catheter main body other end are equipped with the first branch pipe and the second branch pipe, are equipped with connection described first inside the catheter main body The first passage of balloon interior and first branch pipe, be additionally provided with inside the catheter main body connection second balloon interior and The second channel of second branch pipe, it is characterised in that:

First branch pipe and second branch pipe include inlet, are equipped with check valve in two inlets, described Check valve outer wall is equipped with the first buckle protrusion and circular second buckle protrusion of taper；

The inner wall of two inlets is equipped with snap-in groove；

The first buckle male cooperation is mounted in the snap-in groove, and the second buckle protrusion abuts the inlet end Face.

2. cervical dilatation foley's tube according to claim 1, it is characterised in that:

Along the inlet end face toward the direction of the snap-in groove, two inlets are by the part of the snap-in groove Diameter is gradually reduced, and diameter of the inlet at the snap-in groove is minimum.

3. cervical dilatation foley's tube according to claim 1 or 2, it is characterised in that:

Two inlet outer surfaces are arranged with cutting ferrule, and the cutting ferrule is socketed the second buckle protrusion simultaneously.

4. cervical dilatation foley's tube according to claim 3, it is characterised in that:

Two cutting ferrules are colour code cutting ferrule, and the color of two cutting ferrules is different.

5. cervical dilatation foley's tube according to claim 1 or 2, it is characterised in that:

The inlet of corresponding balloon interior is connected to there are two being all provided on the side wall of the first passage and the second channel.

6. cervical dilatation foley's tube according to claim 1 or 2, it is characterised in that:

The catheter main body outer surface is additionally provided with subring.