CN211068318U

CN211068318U - Flushing device for hemodialysis long-term catheter subcutaneous tunnel infection

Info

Publication number: CN211068318U
Application number: CN201921113993.8U
Authority: CN
Inventors: 甘玉芬; 杨计忠
Original assignee: Peoples Hospital of Baise
Current assignee: Peoples Hospital of Baise
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-07-24
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a washing unit that is used for long-term pipe subcutaneous tunnel of hemodialysis to infect relates to medical instrument technical field, has solved the problem that the needle tubing can not be adjusted, and its technical scheme main points are: the needle comprises a first tube part and a second tube part with a needle head, wherein the second tube part is sleeved in the first tube part, and the needle head part of the second tube part penetrates out of the first tube part; an adjusting component is arranged between the second pipe part and the first pipe part and is used for adjusting the length of the second pipe part, which can be inserted into a tunnel to be flushed, of the needle head; the outer side of the upper part of the second pipe part is communicated with a liquid guide pipe for liquid inlet, the opposite side, located on the liquid guide pipe, of the second pipe part is communicated with a liquid suction pipe, the other end of the liquid guide pipe is communicated with an injector, and the liquid suction pipe is communicated with a suction mechanism. The utility model has the advantages of better regulatory function, good flushing effect, difficult pollution and capability of facilitating the patients.

Description

Flushing device for hemodialysis long-term catheter subcutaneous tunnel infection

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a washing unit for hemodialysis long-term pipe subcutaneous tunnel infection.

Background

Hemodialysis is one of the important renal replacement treatment means for the end-stage renal disease patients to live, and good vascular access is the premise and guarantee that hemodialysis is successfully carried out. Hemodialysis vascular access is roughly classified into temporary vascular access and long-term vascular access according to the length of use. The blood vessel condition of partial patients is not good, and the patients are not suitable for autologous arteriovenous internal fistula, and the hemodialysis treatment is completed by using a long-term hemodialysis catheter with a Cuff terylene ring for the patients. Compared with autologous arteriovenous internal fistula and artificial blood vessels, the long-term catheter-related infection has higher discovery rate, including infection at the catheter outlet and tunnel infection, and needs to be changed after tunnel infection occurs. The nursing of changing dressings needs to be carried out after the subcutaneous tunnel infection appears in the patient of long-term hemodialysis pipe, but can only change dressings the nursing to the pipe exit at present, generally adopt the scalp needle hose to insert the tunnel to wash the nursing in subcutaneous tunnel, nevertheless because the scalp needle hose material is softer, the unable better demand that satisfies the deep washing in tunnel also can not satisfy the demand of the washing of the different degree of depth for it is not good enough to wash the effect.

SUMMERY OF THE UTILITY MODEL

To current technical problem, the utility model aims to provide a washing unit that is used for long-term pipe subcutaneous tunnel of hemodialysis to infect to solve above-mentioned problem, it has better regulatory function, cleaning performance good, difficult pollution can do benefit to the advantage of disease.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a flushing device for hemodialysis long-term catheter subcutaneous tunnel infection comprises a first tube part and a second tube part sleeved in the first tube part, wherein a needle head part used for inserting into a flushing tunnel is arranged on the second tube part, and the needle head part of the second tube part penetrates out of the first tube part; an adjusting component is arranged between the second pipe part and the first pipe part and is used for adjusting the length of the needle head of the second pipe part, which can be inserted into the tunnel; the upper end of the second tube part, which is far away from the needle head part, is communicated with a liquid guide tube and a liquid suction tube, the other end of the liquid guide tube is communicated with an injector, and the liquid suction tube is communicated with a suction mechanism.

Preferably, the adjusting assembly comprises an adjusting protrusion structure arranged on the second pipe part and an extension pipe; the adjusting protrusion structure is arranged on the pipe wall of the second pipe part close to the needle head part and protrudes outwards, penetrates through the pipe wall of the first pipe part, can move along the length direction of the first pipe part and then is fixed on the pipe wall of the first pipe part; the extension tube is connected with the needle head of the second tube part.

Preferably, the pipe wall of the first pipe part is provided with an adjusting groove for the adjusting protrusion structure to penetrate and move along the length direction of the first pipe part, the adjusting groove comprises a longitudinal groove parallel to the length direction of the first pipe part and a transverse clamping groove communicated with the longitudinal groove, and the plurality of transverse clamping grooves are arranged in parallel and are communicated with the same longitudinal groove.

Preferably, the shape of the transverse clamping groove corresponds to that of the adjusting protrusion structure, so that the adjusting protrusion structure is clamped.

Preferably, the suction mechanism is a negative pressure device, and the suction pipe is connected to the negative pressure device.

To sum up, the utility model discloses following beneficial effect has:

1. through first pipe portion, the second pipe portion, the adjusting part, the setting of catheter and liquid suction pipe, the adjusting part adjusts the length of the syringe needle that the second pipe portion stretched out first pipe portion, then the nursing staff is in inserting the needle tubing of syringe needle in the tunnel that the patient need wash, and through pressing the syringe with catheter connection, inject normal saline into the tunnel, and stop and realize the disinfection for a moment, normal saline in the disinfection back blood way is discharged from the liquid suction pipe through the suction of suction mechanism, realize the purpose in washing the tunnel, avoid infecting, compared with the prior art, the setting of adjusting part can conveniently adjust the length of syringe needle, better regulatory function has, simultaneously can realize better cleaning performance along with the degree of depth of syringe needle inserts, have the advantage that difficult pollution can do benefit to the disease.

2. Through the setting of adjusting protruding structure, adjustment tank and flexible pipe, utilize and adjust protruding structure promotion second pipe portion and remove along the vertical groove of adjustment tank in first pipe portion, flexible pipe stretches, along with the definite of syringe needle length, promotes to adjust protruding structure, makes it get into horizontal draw-in groove from vertical groove, and horizontal draw-in groove receives the extrusion and takes place elasticity shape then and opens the notch and make and adjust protruding structure inlay card to horizontal draw-in groove in, realizes the purpose of fixed syringe needle.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic view of the second tubular portion of the present invention;

fig. 3 is a general schematic view of the first pipe portion and the second pipe portion of the present invention.

Reference numerals: 1. a first pipe portion; 2. a second pipe portion; 3. a catheter; 4. a liquid pumping pipe; 5. an injector; 6. an adjustment assembly; 61. adjusting the convex structure; 62. a telescopic pipe; 7. an adjustment groove; 71. a longitudinal slot; 72. and a transverse clamping groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In an exemplary embodiment of the present application, a flushing device for hemodialysis long-term blood vessel infection is provided, referring to fig. 1 and 2, which includes a first tube part 1 and a second tube part 2 having a needle, wherein the first tube part 1 and the second tube part 2 are both cylindrical, the second tube part is provided with a needle part for inserting into a flushing tunnel, the needle of the second tube part 2 is a hard catheter having a diameter similar to a steel needle of a indwelling needle, and the needle of the second tube part 2 penetrates out of one end of the first tube part 1 with a smaller opening. The second tube part 2 is sleeved in the first tube part 1, and one end of the second tube part 2 opposite to the needle head part is fixed in the first tube part 1 through an elastic plug. The outside of the tube part of the second tube part 2 far away from the needle head part is communicated with a catheter 3. The catheter 3 passes through the wall of the first tube part 1 and fixes the wall of the first tube part 1, the end part of the catheter 3 which passes through the first tube part 1 is communicated with the injector 5, the physiological saline is conveyed into the second tube part 2 through the injector 5 and is injected into a tunnel needing to be flushed through the needle head part of the second tube part 3. The tube wall of the second tube part 2 opposite to the catheter 3 is communicated with a liquid suction tube 4, the liquid suction tube 4 penetrates through the tube wall of the first tube part 1 and fixes the tube wall of the first tube part 1, the end part of the liquid suction tube 4 penetrating out of the first tube part 1 is communicated with a suction mechanism, and the physiological saline injected into the tunnel is sucked out through the suction mechanism. The suction mechanism adopts a negative pressure device in the prior art, and the liquid suction pipe 4 is connected with the negative pressure device. An adjusting component 6 is arranged between the second tube part 2 and the first tube part 1 and is used for adjusting the length of the second tube part 2 which can be inserted into the blood vessel to be washed.

Referring to fig. 2 and 3, the adjustment assembly 6 comprises an adjustment projection arrangement 61 provided on the second pipe portion 2 and a telescopic pipe 62. The extension tube 62 is a corrugated flexible tube, and the extension tube 62 is provided on the second tube 2 and connected to the needle head as a tube structure of the second tube 2. The adjusting protrusion 61 is disposed on the wall of the second tube 2 near the needle head, and is in the shape of a strip protruding outwards, and is integrally formed with the wall of the second tube 2. The adjustment projection 61 passes through the wall of the first pipe section 1 and is movable in the longitudinal direction of the first pipe section 1 by the extension of the extension tube 62.

Specifically, the pipe wall of the first pipe part 1 near the needle position is provided with an adjusting groove 7 for the movement of the adjusting protrusion structure 61 along the length direction of the first pipe part 1, and the adjusting groove 7 comprises a longitudinal groove 71 parallel to the length direction of the first pipe part 1 and a plurality of transverse clamping grooves 72 arranged along the radial direction of the first pipe part 1. The plurality of transverse clamping grooves 72 are communicated with the same longitudinal groove 71, and the plurality of transverse clamping grooves 72 are arranged in parallel and are arranged at equal intervals. The groove-shaped section of the transverse clamping groove 72 is in a shape of a conical bottle, the smaller end of the transverse clamping groove is communicated with the longitudinal groove 71, and the larger end of the transverse clamping groove is used for clamping and embedding the adjusting protrusion structure 61. When the needle tube is used, the extension tube 62 is at the original position in a natural state, when the length of the needle tube needs to be increased, the position of the needle head is adjusted according to the depth of the blood channel, the adjustment protrusion structure 61 is pushed by applying force, so that the second tube part 2 moves axially in the first tube part 1, the extension tube 62 stretches, the adjustment protrusion structure 61 is pushed transversely along with the determination of the length of the needle tube pushed out of the first tube part 1, the adjustment protrusion structure 61 enters the transverse clamping groove 72 from the longitudinal groove 71, the smaller opening groove wall of the transverse clamping groove 72 is extruded by the adjustment protrusion structure 61, the groove walls on the two sides are elastically deformed, and then the groove opening is opened, so that the adjustment protrusion structure 61 is clamped and embedded in the transverse clamping groove 72, and the purpose of fixing the second. During the process that the adjusting protrusion 61 enters the transverse slot 72 from the longitudinal slot 71, the telescopic tube 62 is driven to rotate along the radius direction of the first tube part. In order to eliminate the possibility of the needle rotating along with the needle, an elastic ring is arranged between the first tube part 1 and the second tube part 2, the elastic ring is sleeved between the needles of the first tube part 1 and the second tube part 2 after the length of the needle is adjusted, the tube part of the second tube part 2 close to the needle can be kept stable, and the elastic ring is an elastic rubber ring.

This practical implementation can utilize cup jointing and adjusting part 6 of first pipe portion 1 and second pipe portion 2, can make things convenient for the length that the nursing staff adjusted the syringe needle under the condition that does not influence the infusion, can according to the abluent needs in tunnel, gos deep into the tunnel, realizes better washing effect, has the advantage that difficult pollution can do benefit to the disease.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A flushing device for hemodialysis long-term catheter subcutaneous tunnel infection is characterized by comprising a first tube part (1) and a second tube part (2) sleeved in the first tube part (1), wherein a needle head part for inserting into a flushing tunnel is arranged on the second tube part (2), and the needle head part of the second tube part (2) penetrates out of the first tube part (1); an adjusting component (6) is arranged between the second pipe part (2) and the first pipe part (1) and is used for adjusting the length of the needle head of the second pipe part (2) which can be inserted into the tunnel; the upper end of the second tube part (2) far away from the needle head part is communicated with a liquid guide tube (3) and a liquid suction tube (4), the other end of the liquid guide tube (3) is communicated with an injector (5), and the liquid suction tube (4) is communicated with a suction mechanism.

2. A flushing device for chronic catheter subcutaneous tunnel infections in hemodialysis according to claim 1, wherein the adjustment assembly (6) comprises an adjustment protrusion structure (61) provided on the second tube part (2) and a telescopic tube (62); the adjusting protrusion structure (61) is arranged on the tube wall of the second tube part (2) close to the needle head part and protrudes outwards, and the adjusting protrusion structure (61) penetrates through the tube wall of the first tube part (1), can move along the length direction of the first tube part (1), and is fixed on the tube wall of the first tube part (1); the telescopic pipe (62) is connected with the needle head part of the second pipe part (2).

3. The flushing device for the long-term catheter subcutaneous tunnel infection in hemodialysis according to claim 2, wherein the wall of the first tube (1) is provided with an adjusting groove (7) along the length direction of the first tube (1) for the adjusting protrusion structure (61) to pass through and move, the adjusting groove (7) comprises a longitudinal groove (71) parallel to the length direction of the first tube (1) and a transverse clamping groove (72) communicated with the longitudinal groove (71), and the plurality of transverse clamping grooves (72) are arranged in parallel and are all communicated with the same longitudinal groove (71).

4. An irrigation device for chronic catheter subcutaneous tunnel infection in hemodialysis according to claim 3, wherein the shape of the lateral notch (72) corresponds to the adjustment protrusion structure (61) for clamping the adjustment protrusion structure (61).

5. An irrigation device for chronic catheter subcutaneous tunnel infections in hemodialysis according to claim 1, wherein the suction mechanism is a negative pressure device to which the aspiration tube (4) is connected.