CN209347746U - A kind of novel hemodialysis patients special needle - Google Patents

Abstract

The utility model discloses a kind of novel hemodialysis patients special needles, including transparent threeway, the interior bottom portion of the transparent threeway is plugged with white batching pig, the bottom of the transparent threeway is equipped with round plastic bar, the right end of the round plastic bar is integrally formed with petiole, the round plastic bar middle top is fixedly connected with the bottom of steel needle, the top of the steel needle passes through the inside of white batching pig insertion hose, the bottom interior wall of the transparent threeway is integrally formed with the annular plate washer for keeping out white batching pig, the top of the round plastic bar is integrally formed with shank, the bottom of the white batching pig offers the inserting groove with shank cooperation grafting, the inside of the shank insertion inserting groove；The novel hemodialysis patients special needle, improves the protection to blood vessel, and in patient's dialysis procedure, when limb activity will not puncture blood vessel, prevent white batching pig to be drawn out, improve the stability between petiole and transparent threeway, is conducive to steel needle insertion blood vessel.

Description

A kind of novel hemodialysis patients special needle

Technical field

The utility model relates to the field of medical instrument technology, specially a kind of novel hemodialysis patients special needle.

Background technique

Haemodialysis (HD) is one of acute or chronic renal failure kidneys of patients Replacement Therapy.It is by by internal blood Liquid is drained in vitro, through one by the dialyzer that is formed without several hollow fibres, blood electrolysis similar with concentration containing body Matter solution (dialyzate) carries out mass exchange inside and outside hollow fibre one by one, through disperse, ultrafiltration, absorption and convective principles, It removes intracorporal metabolic waste, maintain electrolyte and acid-base balance；Moisture excessive in vivo is removed simultaneously, and will be by purification The whole process of blood recovery is known as haemodialysis.

The puncture needle of hemodialysis patients is mainly steel needle, and some blood patient vessel condition differences or active, patient is in bed It is easy to puncture blood vessel when movable, some uses remaining needle, but the white batching pig of traditional remaining needle lacks position limiting structure, is easy White batching pig is extracted, and the stability between the petiole of traditional remaining needle and transparent threeway is poor, is easy to happen opposite Rotation is unfavorable for steel needle insertion blood vessel, it is therefore desirable to improve.

Utility model content

The purpose of this utility model is to provide a kind of novel hemodialysis patients special needles, to solve in above-mentioned background technique The problem of proposition.

To achieve the above object, the utility model provides the following technical solutions: a kind of novel hemodialysis patients special needle, packet Transparent threeway is included, the top of the transparent threeway is integrally formed with hose, and the left end of the transparent threeway is communicated with blood vessel, institute The outside for stating blood vessel is equipped with blood vessel clip, and the bottom of the blood vessel is equipped with calparine cap, the interior bottom portion plug of the transparent threeway Have a white batching pig, the bottom of the transparent threeway is equipped with round plastic bar, the right end of the round plastic bar integrally formed with Petiole, the round plastic bar middle top are fixedly connected with the bottom of steel needle, and the top of the steel needle passes through white batching pig Be inserted into the inside of hose, the bottom interior wall of the transparent threeway integrally formed with the annular plate washer for keeping out white batching pig, Integrally formed with shank, the bottom of the white batching pig is offered inserts with shank cooperation at the top of the round plastic bar The inserting groove connect, the inside of the shank insertion inserting groove.

Preferably, the inside of annular plate washer is inserted at the top of the round plastic bar.

Preferably, there are two the shank and inserting groove are at least angularly set.

Preferably, the top exterior walls of the white batching pig offer annular incision.

Preferably, the left and right sides of the top exterior walls of the hose offers angular cut.

Preferably, the middle top of the round plastic bar opens up fluted, and the interior of groove is inserted into the bottom of the steel needle Portion, and pasted between the groove and steel needle by glue.

Compared with prior art, the utility model has the beneficial effects that

1. the novel hemodialysis patients special needle, improves the protection to blood vessel, in patient's dialysis procedure, limb activity Shi Buhui punctures blood vessel, and white batching pig is prevented to be drawn out, and improves the stability between petiole and transparent threeway, is conducive to steel Needle is inserted into blood vessel；

2. then being pressed on the other hand in use, doctor holds petiole is inserted into the intravascular of hemodialysis patients for steel needle and hose together Firmly transparent threeway, another hand will hold petiole and extract round plastic bar and steel needle, and hose stays in intravascular, will not puncture blood Pipe, it is then by medical belt that transparent threeway is fixed；

3. passing through ring since the bottom interior wall of transparent threeway is integrally formed with the annular plate washer for keeping out white batching pig The position-limiting action of shape plate washer prevents white batching pig to be drawn out；

4. being inserted into and being inserted by shank since the bottom of white batching pig offers the inserting groove with shank cooperation grafting The inside of access slot improves the stability between petiole and transparent threeway, is conducive to steel needle insertion blood vessel.

Detailed description of the invention

Fig. 1 is the main view sectional drawing of the utility model structure；

Fig. 2 is the portion the A enlarged drawing in the main view sectional drawing of the utility model structure；

Fig. 3 is the portion the B enlarged drawing in the main view sectional drawing of the utility model structure.

In figure: 1 transparent threeway, 2 hoses, 3 blood vessels, 4 blood vessel clips, 5 calparine caps, 6 white batching pigs, 7 round plastic bars, 8 petioles, 9 steel needles, 10 annular plate washers, 11 annular incision, 12 shanks, 13 inserting grooves, 14 grooves, 15 angular cuts.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Same or like component is indicated with identical label in different figures；In addition it is understood that such as " first " in text, " second ", " third ", "upper", "lower", "front", "rear", "inner", "outside", " end ", " portion ", " section ", " width ", " thickness ", " area " Etc. and similar term be only convenient for observer to describe the utility model with reference to help is constructed and be only used in figure, be not Restriction to the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of novel hemodialysis patients special needle, including Transparent threeway 1, integrally formed with hose 2, the left end of the transparent threeway 1 is communicated with blood vessel at the top of the transparent threeway 1 3, the outside of the blood vessel 3 is equipped with blood vessel clip 4, and the bottom of the blood vessel 3 is equipped with calparine cap 5, the transparent threeway 1 it is interior Portion bottom is plugged with white batching pig 6, and the bottom of the transparent threeway 1 is equipped with round plastic bar 7, the right side of the round plastic bar 7 End is integrally formed with petiole 8, and 7 middle top of round plastic bar is fixedly connected with the bottom of steel needle 9, the top of the steel needle 9 Portion passes through the inside that white batching pig 6 is inserted into hose 2, and the bottom interior wall of the transparent threeway 1 is integrally formed with white for keeping out The annular plate washer 10 of color batching pig 6, the top of the round plastic bar 7 is integrally formed with shank 12, the white batching pig 6 Bottom offer the inserting groove 13 for cooperating grafting with shank 12, the shank 12 is inserted into the inside of inserting groove 13.

Specifically, the inside of annular plate washer 10 is inserted at the top of the round plastic bar 7, further improves 8 He of petiole Stability between transparent threeway 1.

Specifically, there are two the shank 12 and inserting groove 13 are at least angularly set, can be arranged according to actual needs The quantity of shank 12 and inserting groove 13.

Specifically, the top exterior walls of the white batching pig 6 offer annular incision 11, and it is logical to be conducive to white batching pig 6 Cross the inside that annular plate washer 10 enters transparent threeway 1.

Specifically, the left and right sides of the top exterior walls of the hose 2 offers angular cut 15, be conducive to hose 2 with Steel needle 9 enters intravascular.

Specifically, the middle top of the round plastic bar 7 opens up fluted 14, and groove is inserted into the bottom of the steel needle 9 14 inside, and pasted between the groove 14 and steel needle 9 by glue, it improves steady between steel needle 9 and round plastic bar 7 It is qualitative.

Structural principle: in use, doctor holds petiole 8 is inserted into the intravascular of hemodialysis patients for steel needle 9 and hose 2 together, Then transparent threeway 1 is pinned on the other hand, and another hand will hold petiole 8 and extract round plastic bar 7 and steel needle 9, and hose 2 stays in blood In pipe, blood vessel will not be punctured, it is then by medical belt that transparent threeway 1 is fixed, it is not intended to allow with the purpose of hose 2 This needle retains several days in blood vessel, but disposable, and folder closes blood vessel clip 4 after patient punctures, and removes calparine cap 5 and combines Dialysis machine extracorporeal circulation pipeline opens blood vessel clip 4, can draw Hemodialysis, and general 4 hours dialysis terminates just to extract；Due to saturating The bottom interior wall of bright threeway 1 passes through the limit of annular plate washer 10 integrally formed with the annular plate washer 10 for keeping out white batching pig 6 Position effect, prevents white batching pig 6 to be drawn out；Cooperate grafting with shank 12 since the bottom of white batching pig 6 is offered Inserting groove 13 is inserted into the inside of inserting groove 13 by shank 12, improves the stability between petiole 8 and transparent threeway 1, have Blood vessel is inserted into conducive to steel needle 9.

Therefore the novel hemodialysis patients special needle, improves the protection to blood vessel, and in patient's dialysis procedure, limbs are living Blood vessel will not be punctured when dynamic, prevented white batching pig 6 to be drawn out, improved the stability between petiole 8 and transparent threeway 1, have Blood vessel is inserted into conducive to steel needle 9.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of novel hemodialysis patients special needle, including transparent threeway (1), it is characterised in that: the top of the transparent threeway (1) Portion is communicated with blood vessel (3) integrally formed with hose (2), the left end of the transparent threeway (1), the outside of the blood vessel (3) Equipped with blood vessel clip (4), the bottom of the blood vessel (3) is equipped with calparine cap (5), and the interior bottom portion of the transparent threeway (1) is plugged with The bottom of white batching pig (6), the transparent threeway (1) is equipped with round plastic bar (7), the right end of the round plastic bar (7) Integrally formed with petiole (8), round plastic bar (7) middle top is fixedly connected with the bottom of steel needle (9), the steel needle (9) top passes through the inside that white batching pig (6) is inserted into hose (2), and the bottom interior wall of the transparent threeway (1) is integrally formed There is the annular plate washer (10) for keeping out white batching pig (6), the top of the round plastic bar (7) is integrally formed with shank (12), the bottom of the white batching pig (6) offers the inserting groove (13) with shank (12) cooperation grafting, the shank (12) it is inserted into the inside of inserting groove (13).

2. a kind of novel hemodialysis patients special needle according to claim 1, it is characterised in that: the round plastic bar (7) inside of annular plate washer (10) is inserted at top.

3. a kind of novel hemodialysis patients special needle according to claim 1, it is characterised in that: the shank (12) and There are two inserting groove (13) is at least angularly set.

4. a kind of novel hemodialysis patients special needle according to claim 1, it is characterised in that: the white batching pig (6) top exterior walls offer annular incision (11).

5. a kind of novel hemodialysis patients special needle according to claim 1, it is characterised in that: the top of the hose (2) The left and right sides of portion's outer wall offers angular cut (15).

6. a kind of novel hemodialysis patients special needle according to claim 1, it is characterised in that: the round plastic bar (7) middle top opens up fluted (14), the inside of bottom insertion groove (14) of the steel needle (9), and the groove (14) it is pasted between steel needle (9) by glue.