CN103706018A - Anti-displacement tube type ductus venosus - Google Patents

Abstract

The invention provides an anti-displacement tube type ductus venosus which sequentially comprises a catheter, a connecting base and an extension pipe, and the catheter, the connecting base and the extension pipe are connected and communicated with one another. The portion, in the position of the opening of the connection base, of the catheter is of a needle base structure, and a puncture needle is inserted into the catheter through the needle base structure. The extension pipe is sequentially communicated with the connecting base and the catheter through the side wall of the connecting base. Catheter fixing wings and a float are sequentially arranged on the connection position of the connection base and the catheter, the faces, attached to the human skin, of the catheter fixing wings and the face, attached to the human skin, of the float are respectively provided with a sticking and fixing structure, and each sticking and fixing structure sequentially comprises a sticking layer and a protection layer from inside to outside. The anti-displacement tube type ductus venosus is convenient to use, easy to operate, good in fixing effect, and capable of effectively preventing a patient from great pains which are produced when the exposed portion of an anti-displacement tube type ductus venosus body is sewn on and fixed to the skin through the puncture needle and threads in a percutaneous mode, the anti-displacement tube type ductus venosus can be effectively prevented from being blocked, when negative pressure exists in the anti-displacement tube type ductus venosus, an opening can be effectively formed, medical staff can conveniently draw return blood so as to confirm whether the ductus venosus is placed in the vein or not and can conveniently draw back hydrops so as to confirm whether the hydrops exists in the body cavity or not, life health of the patient can be effectively ensured, and dangers are prevented from occurring.

Description

A kind of anti-race cast venous duct

Technical field

The present invention relates to a kind of medical apparatus and instruments, particularly a kind of anti-race cast venous duct.

Background technology

It is clinical conventional test-and-treat means that venous duct is placed, by fixing venous duct entrance, can transfuse blood, fluid infusion, the postoperative various medicines for treatment of input, parenteral nutrition etc., apply venous duct simultaneously and also can carry out the puncture drainage of Celom liquid loading, have that wound is little, drainage efficiency is high, the plurality of advantages such as fast heals, relatively it is safe with traditional piercing method, the misery of having avoided repeated localised puncture to cause to patient, improved patient's compliance, improved medical personnel's efficiency, and popularized gradually at home.After venous duct is inserted in body, having one section of body exposes to external, and the body exposing is not if being fixed, be easy to cause body to come off, run pipe and need to re-start puncture, increase patient's misery and medical personnel's workload, also likely cause venous duct to shift out blood vessel and failure that medicinal liquid etc. enter interstice and cause Celom liquid loading drain, patient is in danger at any time.Therefore to exposing the fixing very important of body, and existing fixing body, except needs with needlework by conduit fixed-wing structure percutaneous suture, also need to tie a knot fixingly to exposing body, knotting tension can cause that transfusion resistance is large, the pine of tiing a knot can cause fixed effect poor, easily there is catheter displacement, the problem such as deviate from.Chinese patent CN102500039A discloses a kind of Double-laparoscope central venous catheter, although realized and exposed the fixing of body by buoy structure, and avoided knotting tension cause transfusion resistance greatly or excessively pine cause fixed effect poor, easily there is catheter displacement, the problem such as deviate from, but do not solve, with needlework percutaneous suture, the fixing means on skin causes the technical problem of great pain to patient.

Summary of the invention

The object of the present invention is to provide a kind of easy to usely, simple to operate, good fixing effect, causes the anti-race cast venous duct of great pain to patient when the body of avoiding exposing is fixed on skin with needlework percutaneous suture.

The present invention is achieved in that

Anti-race cast venous duct of the present invention, comprises the conduit, Connection Block, the extension pipe that connect and be communicated with in turn; Described conduit is a needle stand structure at Connection Block aperture position, and puncture needle inserts described conduit by needle stand structure; Described extension pipe is connected with Connection Block, conduit successively through the sidewall of Connection Block; Described Connection Block and conduit joint are provided with conduit fixed-wing and buoy successively, and the one side that described conduit fixed-wing and buoy are affixed to human body skin is provided with stickup fixed structure, and described stickup fixed structure from inside to outside comprises adhered layer and protective layer successively.

Use stickup fixed structure to be fixed the body exposing, in the time of can avoiding being fixed on skin with needlework percutaneous suture, to patient, cause great pain; During use, only need take outer field protective layer off, adhered layer is adhered on patient skin and can be fixed, not only reduce patient's misery, also reduce medical personnel's workload.

Anti-race cast venous duct of the present invention, is also provided with the fixedly cutting ferrule being used in conjunction with conduit, and described fixedly cutting ferrule is sticked on described conduit; The back side of described fixedly cutting ferrule is provided with the second stickup fixed structure, and described second pastes fixed structure from inside to outside comprises the second adhered layer and the second protective layer successively.

The fixedly cutting ferrule that is provided with the second stickup fixed structure is fastened on conduit; take the second protective layer of the second stickup fixed structure off; the second adhered layer is pasted on skin and is fixed; both can prevent from running the repeated localised puncture that pipe causes; also in the time of can avoiding being fixed on skin with needlework percutaneous suture, to patient, cause great pain, also reduced medical personnel's workload simultaneously.

Anti-race cast venous duct of the present invention, described fixedly cutting ferrule also comprises body, on the jacket wall of described body, have opening, the angle that described opening Yi Tao center is the center of circle, the jacket wall of take is circumference is θ, 10 ° of < θ <140 °; The jacket wall that protrude on described opening both sides forms card-tight part, described opening with comprise that the body of card-tight part forms draw-in groove jointly.

The setting of opening, can be conveniently fixing cutting ferrule be fastened on conduit conduit is fixed, and the size in triumphant Europe is limited, if the angle that Qi Yitao center is the center of circle, the jacket wall of take is circumference is θ, 10 ° of < θ <140 °, can make the jacket wall that protrude on opening both sides form card-tight part, and card-tight part can make fixed card cover be fastened on preferably on conduit, conduit is fixed, can prevents from better running the generation of pipe.

Anti-race cast venous duct of the present invention, 30 ° of < θ <80 °.

During <80 ° of 30 ° of < θ, the jacket wall on opening both sides protrudes the card-tight part forming and is easier to conduit to be fixed.

Anti-race cast venous duct of the present invention, θ=45 °.

During θ=45 °, card-tight part is better to the fixation of conduit.

Anti-race cast venous duct of the present invention, is provided with gap on the end pipe body wall of described conduit.

Anti-race cast venous duct of the present invention, the tube body wall of described opening position is provided with epipharynx and outer lip; Under naturalness, described epipharynx and outer lip close contact, prevent liquid communication; And exist in the situation of negative pressure in pipe, epipharynx concaves, and disengages with outer lip, forms fluid passage.

Opening position epipharynx and outer lip the effect that can make gap play valve is set, under naturalness, in closure state; And while there is negative pressure in pipe, effectively form opening, and facilitate medical personnel to draw back blood to confirm whether venous duct is placed in intravenous and pumpback hydrops is confirmed whether in body cavity, also can effectively prevent the generation of plugging.Effectively guarantee patient's life and health, prevent danger.

Anti-race cast venous duct of the present invention, described gap has two, and correspondence is arranged on the end pipe body wall of described conduit.

Two gap are set, can make its valve function more obvious, further guarantee patient's life and health.

Anti-race cast venous duct of the present invention, two corresponding described epipharynxs are arranged on the tube body wall of the same side, and two corresponding described outer lips are arranged on opposite side tube body wall.

Anti-race cast venous duct of the present invention, two corresponding described epipharynxs are arranged at respectively on the tube body wall of both sides.

Beneficial effect of the present invention is, anti-race cast venous duct of the present invention, easy to use, simple to operate, good fixing effect, the body of effectively avoiding exposing causes great pain to patient while being fixed on skin with needlework percutaneous suture, can effectively prevent plugging, and while there is negative pressure in pipe, effectively form opening, facilitate medical personnel to draw back blood to confirm whether venous duct is placed in intravenous and pumpback hydrops is confirmed whether in body cavity, effectively guarantee patient's life and health, prevent dangerous generation.

Accompanying drawing explanation

Fig. 1 is the structural representation of anti-race cast venous duct of the present invention;

Fig. 2 (a) is the enlarged diagram of the conduit fixed-wing of anti-race cast venous duct of the present invention;

Fig. 2 (b) is the B-B schematic cross-section of conduit fixed-wing;

Fig. 3 is the fixed card nested structure schematic diagram matching with anti-race cast venous duct of the present invention;

Fig. 4 is the fixing C-C schematic cross-section of cutting ferrule inembodiment 1;

Fig. 5 is the fixing C-C schematic cross-section of cutting ferrule in embodiment 2;

Fig. 6 is the fixing C-C schematic cross-section of cutting ferrule in embodiment 3;

Fig. 7 is the fixing C-C schematic cross-section of cutting ferrule in embodiment 4;

Fig. 8 is the A-A schematic cross-section of anti-race cast venous duct of the present invention inembodiment 1;

Fig. 9 is the A-A schematic cross-section of anti-race cast venous duct of the present invention in embodiment 2;

Figure 10 is the A-A schematic cross-section of anti-race cast venous duct of the present invention in embodiment 3,4.

The specific embodiment

Below in conjunction with drawings and Examples, the present invention will be further described:

Embodiment 1

As shown in accompanyingdrawing 1～4 and Fig. 8,1 is the conduit fixed-wing of anti-race cast venous duct of the present invention, and 2 is Connection Block; 3 is extension pipe, and 4 is conduit, and 5 is buoy; 6 is gap, and 7 is adhered layer, and 8 is protective layer; 9 is epipharynx, and 10 is outer lip, and 11 is fixing cutting ferrule; 12 is opening, and 13 is card-tight part, and 14 is body; 15 is the second adhered layer, and 16 is the second protective layer.

Anti-race cast venous duct of the present invention, the fixedly cuttingferrule 11 that comprises in turn the conduit 4 that connects and be communicated with, Connection Block 2, extension pipe 3, is used in conjunction with conduit 4; Conduit 4 is a needle stand structure at Connection Block 2 aperture positions, and puncture needle inserts conduit 4 by needle stand structure; Extension pipe 3 is connected with Connection Block 2, conduit 4 successively through the sidewall of Connection Block 2; Connection Block 2 is provided with conduit fixed-wing 1 and buoy 5 successively with conduit 4 joints, and conduit fixed-wing 1 is provided with stickup fixed structure with the one side that buoy 5 is affixed to human body skin, pastes fixed structure and from inside to outside comprises successively adheredlayer 7 andprotective layer 8; Fixedly cuttingferrule 11 is sticked on described conduit 4, and the back side of described fixedly cuttingferrule 11 is provided with the second stickup fixed structure, and described second pastes fixed structure from inside to outside comprises the second adheredlayer 15 and the secondprotective layer 16 successively.Fixedly cuttingferrule 11 also comprisesbody 14, has opening 12 on the jacket wall ofbody 14, and the angle that opening 12Yi Tao center is the center of circle, the jacket wall of take is circumference is θ, θ=15 °; The jacket wall that protrude on described opening 12 both sides forms card-tight part 13, opening 12 and the common draw-in groove that forms of thebody 14 that comprises card-tight part 13; On the end pipe body wall of conduit 4, be provided withgap 6, the tube body wall atgap 6 places is provided withepipharynx 9 andouter lip 10; Under naturalness,epipharynx 9 andouter lip 10 close contacts, prevent liquid communication; And exist in the situation of negative pressure in pipe,epipharynx 9 concaves, and disengages withouter lip 10, forms fluid passage.

Anti-race cast venous duct of the present invention, easy to use, simple to operate, good fixing effect, the body of effectively avoiding leaking outside causes great pain to patient while being fixed on skin with needlework percutaneous suture, can effectively prevent plugging, and while there is negative pressure in pipe, effectively form opening, facilitate medical personnel to draw back blood to confirm whether venous duct is placed in intravenous and pumpback hydrops is confirmed whether in body cavity, effectively guarantees patient's life and health, prevents dangerous generation.

Embodiment 2

As shown in accompanyingdrawing 1～3 and Fig. 5,9,1 is the conduit fixed-wing of anti-race cast venous duct of the present invention, and 2 is Connection Block; 3 is extension pipe, and 4 is conduit, and 5 is buoy; 6 is gap, and 7 is adhered layer, and 8 is protective layer; 9 is epipharynx, and 10 is outer lip, and 11 is fixing cutting ferrule; 12 is opening, and 13 is card-tight part, and 14 is body; 15 is the second adhered layer, and 16 is the second protective layer.

The present embodiment difference from Example 1 is, fixedly, incutting ferrule 11, the angle that the opening 12Yi Tao center on the jacket wall ofbody 14 is the center of circle, the jacket wall of take is circumference is θ, θ=90 °;Gap 6 has two, and correspondence is arranged on the end pipe body wall of conduit 4; Twocorresponding epipharynxs 9 are arranged on the tube body wall of the same side, and two corresponding describedouter lips 10 are arranged on opposite side tube body wall.

Two gap are set, and effect is better, and twoepipharynxs 9 corresponding to gap are arranged on the tube body wall of the same side, make the valve effect of gap better.

Embodiment 3

As shown in accompanyingdrawing 1～3 and Fig. 6,10,1 is the conduit fixed-wing of anti-race cast venous duct of the present invention, and 2 is Connection Block; 3 is extension pipe, and 4 is conduit, and 5 is buoy; 6 is gap, and 7 is adhered layer, and 8 is protective layer; 9 is epipharynx, and 10 is outer lip, and 11 is fixing cutting ferrule; 12 is opening, and 13 is card-tight part, and 14 is body; 15 is the second adhered layer, and 16 is the second protective layer.

The present embodiment difference from Example 1 is, fixedly, incutting ferrule 11, the angle that the opening 12Yi Tao center on the jacket wall ofbody 14 is the center of circle, the jacket wall of take is circumference is θ, θ=120 °;Gap 6 has two, and correspondence is arranged on the end pipe body wall of conduit 4; Twocorresponding epipharynxs 9 are arranged at respectively on the tube body wall of both sides.

Embodiment 4

As shown in accompanyingdrawing 1～3 and Fig. 7,10,1 is the conduit fixed-wing of anti-race cast venous duct of the present invention, and 2 is Connection Block; 3 is extension pipe, and 4 is conduit, and 5 is buoy; 6 is gap, and 7 is adhered layer, and 8 is protective layer; 9 is epipharynx, and 10 is outer lip, and 11 is fixing cutting ferrule; 12 is opening, and 13 is card-tight part, and 14 is body; 15 is the second adhered layer, and 16 is the second protective layer.

The present embodiment difference from Example 1 is, fixedly, incutting ferrule 11, the angle that the opening 12Yi Tao center on the jacket wall ofbody 14 is the center of circle, the jacket wall of take is circumference is θ, θ=45 °;Gap 6 has two, and correspondence is arranged on the end pipe body wall of conduit 4; Twocorresponding epipharynxs 9 are arranged at respectively on the tube body wall of both sides.

During θ=45 °, fixedly cutting ferrule is best to the fixed effect of conduit.

Anti-race cast venous duct of the present invention, easy to use, simple to operate, good fixing effect, the body of effectively avoiding exposing causes great pain to patient while being fixed on skin with needlework percutaneous suture, can effectively prevent plugging, and while there is negative pressure in pipe, effectively form opening, facilitate medical personnel to draw back blood to confirm whether venous duct is placed in intravenous and pumpback hydrops is confirmed whether in body cavity, effectively guarantees patient's life and health, prevents dangerous generation.

The above embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention, all should fall in the definite protection domain of claims of the present invention.

Claims (10)

1. an anti-race cast venous duct, comprises the conduit (4), Connection Block (2), the extension pipe (3) that connect and be communicated with in turn; Described conduit (4) is a needle stand structure at Connection Block (2) aperture position, and puncture needle inserts described conduit (4) by needle stand structure; Described extension pipe (3) is connected with Connection Block (2), conduit (4) successively through the sidewall of Connection Block (2); Described Connection Block (2) is provided with conduit fixed-wing (1) and buoy (5) successively with conduit (4) joint; it is characterized in that; described conduit fixed-wing (1) is provided with stickup fixed structure with the one side that buoy (5) is affixed to human body skin, and described stickup fixed structure from inside to outside comprises adhered layer (7) and protective layer (8) successively.

2. anti-race cast venous duct as claimed in claim 1, is characterized in that, is also provided with the fixedly cutting ferrule (11) being used in conjunction with conduit (4), and described fixedly cutting ferrule (11) is sticked on described conduit (4); The back side of described fixedly cutting ferrule (11) is provided with the second stickup fixed structure, and described second pastes fixed structure from inside to outside comprises the second adhered layer (15) and the second protective layer (16) successively.

3. anti-race cast venous duct as claimed in claim 2, it is characterized in that, described fixedly cutting ferrule (11) also comprises body (14), on the jacket wall of described body (14), have opening (12), the angle that described opening (12) Yi Tao center is the center of circle, the jacket wall of take is circumference is θ, 10 ° of < θ <140 °; The jacket wall that protrude on described opening (12) both sides forms card-tight part (13), described opening (12) with comprise that the body (14) of card-tight part (13) forms draw-in groove jointly.

4. anti-race cast venous duct as claimed in claim 3, is characterized in that, 30 ° of < θ <80 °.

5. anti-race cast venous duct as claimed in claim 4, is characterized in that θ=45 °.

6. anti-race cast venous duct as claimed in claim 1, is characterized in that, is provided with gap (6) on the end pipe body wall of described conduit (4).

7. anti-race cast venous duct as claimed in claim 6, is characterized in that, the tube body wall that described gap (6) is located is provided with epipharynx (9) and outer lip (10); Under naturalness, described epipharynx (9) and outer lip (10) close contact, prevent liquid communication; And exist in the situation of negative pressure in pipe, epipharynx (9) concaves, and disengages with outer lip (10), forms fluid passage.

8. anti-race cast venous duct as claimed in claim 7, is characterized in that, described gap (6) has two, and correspondence is arranged on the end pipe body wall of described conduit (4).

9. anti-race cast venous duct as claimed in claim 8, is characterized in that, corresponding two described epipharynxs (9) are arranged on the tube body wall of the same side, and corresponding two described outer lips (10) are arranged on opposite side tube body wall.

10. anti-race cast venous duct as claimed in claim 8, is characterized in that, corresponding two described epipharynxs (9) are arranged at respectively on the tube body wall of both sides.

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