CN209301844U - A kind of catheter for hemodialysis - Google Patents

Abstract

The utility model relates to the relevant technologies of the therapeutic device articles in medical field, and a kind of catheter for hemodialysis is disclosed, including diversion pipe (1), left shunt pipe (2), right isocon (3), syringe needle (4), casing (5), fixing belt (6), female velcro (7), sub- velcro (12), connection component and clamping component.The connection component of the utility model setting replaces the use of adhesive tape by female velcro, fixing belt and sub- velcro, the position of syringe needle is fixed, simultaneously under the action of through-hole, stomata and aperture, reduce skin when Classical adhesive tape is fixed and the generation of itch phenomenon occurs, to achieve the effect that reduce itch and comfortably use, by the cooperation for being connected and fixed frame folder and holding screw, convenient for adjusting the Pasting length between sub- velcro and female velcro, to achieve the effect that suitable for different parts fixed needle.

Description

A kind of catheter for hemodialysis

Technical field

The utility model relates to the relevant technologies of therapeutic device articles in medical field, specifically a kind of haemodialysis is with leading Pipe.

Background technique

Haemodialysis is one of acute or chronic renal failure kidneys of patients Replacement Therapy, it is by drawing internal blood It flow to external, in the dialyzer being made of through one root hollow fibre, blood electrolyte solution similar with concentration containing body exists One by one inside and outside hollow fibre, mass exchange is carried out by disperse, ultrafiltration, absorption and convective principles, it is useless to remove intracorporal metabolism Object maintains electrolyte and acid-base balance, while removing moisture excessive in vivo, and will be by the entire mistake of the blood recovery purified Journey is known as haemodialysis, and when haemodialysis needs to use hemodialysis catheter.

And existing hemodialysis catheter itself does not have fixed function when in use, needs to be carried out with adhesive tape at syringe needle It is fixed, and adhesive tape poor air permeability, the problem of adhesive tape is with human body junction itch is caused, thus it is proposed that a kind of haemodialysis is used Conduit.

Utility model content

The purpose of the utility model is to provide a kind of catheter for hemodialysis, can overcome the deficiencies in the prior art, have It reduces itch and can be suitably used for the function of different parts, can solve the problem of proposing in background technique.

To realize upper purpose, the utility model is provided the following technical solutions:

A kind of catheter for hemodialysis, including diversion pipe, left shunt pipe, right isocon, syringe needle, casing, fixing belt, female evil spirit Art patch, sub- velcro, connection component and clamping component.The top of the diversion pipe is fixed respectively to be communicated with left shunt pipe and right point Flow tube, the top of the left shunt pipe and the top of right isocon are fixed by casing and are communicated with syringe needle, outside described sleeve pipe Surface is bonded with fixing belt, and one end of the fixing belt is connected with female velcro, and the other end of fixing belt is provided with connection component； The connection component includes that link block, spherical clamp, plastic bar and connecting band, one end of the link block are bonded in fixing belt On, movable sleeve is connected to spherical clip head in the middle part of the other end of the link block, and the spherical shape clamp is integrally fixedly connected with plastic bar, The outer surface of the plastic bar and link block pivot bush unit, and the outside of link block is extended to, the left end of plastic bar is bonded with company Tape splicing；The other end upper surface of the connecting band is placed with sub- velcro, and the sub- velcro and connecting band are contact connectio, and It is fixed connection using clamping component, the clamping component includes being connected and fixed frame folder and holding screw, described to be connected and fixed Frame presss from both sides the outer surface end for being actively socketed on sub- velcro and connecting band, is threaded with tightening on the top for being connected and fixed frame folder Screw, the bottom end of the holding screw and sub- velcro connect.

As the further scheme of the utility model, it is fixedly connected with cotton on one side with skin contact in the fixing belt Layer of cloth, and through-hole is offered, the through-hole is evenly distributed in fixing belt.

It is complete with being fixedly connected on one side for skin contact in the connecting band as the further scheme of the utility model Cotton layer, and offer uniformly distributed small ventilating holes.

As the further scheme of the utility model, offered respectively in the female velcro and sub- velcro uniformly distributed Stomata.

As the further scheme of the utility model, the outer round surface of the link block end is opened up there are three uniformly distributed Open slot.

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

The utility model replaces the use of adhesive tape using female velcro, fixing belt and sub- velcro by connection component, right The position of syringe needle is fixed, while through-hole, stomata and the aperture opened have airing function, when reducing Classical adhesive tape fixation There is the generation of itch phenomenon in skin, to achieve the effect that reduce itch and comfortably use；By the way that clamping component, benefit is arranged With the cooperation for being connected and fixed frame folder and holding screw, convenient for adjusting the Pasting length between sub- velcro and female velcro, from And achieve the effect that suitable in different parts fixed needle, convenient and efficient, strong applicability solves existing haemodialysis Conduit itself does not have fixed function when in use, needs with adhesive tape to being fixed at syringe needle, and adhesive tape poor air permeability, causes The problem of adhesive tape and human body junction itch.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of catheter for hemodialysis；

Fig. 2 is enlarged structure schematic diagram at the A in Fig. 1；

Fig. 3 is enlarged structure schematic diagram at the B in Fig. 1.

Fig. 4 is enlarged structure schematic diagram at the C in Fig. 1.

In figure: diversion pipe 1；Left shunt pipe 2；Right isocon 3；Syringe needle 4；Casing 5；Fixing belt 6；Female velcro 7；Link block 8；Open slot 8-1；Spherical clamp 9；Plastic bar 10；Connecting band 11；Sub- velcro 12；It is connected and fixed frame folder 13；Holding screw 14； Through-hole 15；Stomata 16.

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.

Please refer to Fig. 1-3, a kind of catheter for hemodialysis, including diversion pipe 1, left shunt pipe 2, right isocon 3, syringe needle 4, Casing 5, fixing belt 6, female velcro 7, sub- velcro 12, connection component and clamping component.The top of the diversion pipe 1 is solid respectively Surely it is communicated with left shunt pipe 2 and right isocon 3, the top of the left shunt pipe 2 and the top of right isocon 3 pass through casing 5 Fixation is communicated with syringe needle 4, and 5 outer surface of described sleeve pipe is bonded with fixing belt 6, and one end of the fixing belt 6 is connected with female velcro 7, the other end of fixing belt 6 is provided with connection component；The connection component includes link block 8, spherical 9 plastic bar 10 of clamp and connects One end of tape splicing 11, the link block 8 is bonded in fixing belt 6, and movable sleeve is connected to spherical shape in the middle part of the other end of the link block 8 Clamp 9, the spherical shape clamp 9 are integrally fixedly connected with plastic bar 10, the outer surface of the plastic bar 10 and 8 movable sleeve of link block It connects, and extends to the outside of link block 8, the left end of plastic bar 10 is bonded with connecting band 11；On the other end of the connecting band 11 Surface is placed with sub- velcro 12, and the sub- velcro 12 is to connect, and consolidated by clamping component with connecting band 11 Fixed connection, the clamping component include being connected and fixed frame folder 13 and holding screw 14, and the frame that is connected and fixed presss from both sides 13 pivot bush units In the outer surface end of sub- velcro 12 and connecting band 11, holding screw is threaded on the top for being connected and fixed frame folder 13 14, the bottom end of the holding screw 14 and sub- velcro 12 connect；By being connected and fixed frame folder 13 and holding screw 14 Cooperation is suitable for consolidating without position convenient for adjusting the Pasting length between sub- velcro 12 and female velcro 7 to reach Fixed effect.

It is fixedly connected with cotton layer of cloth on one side with skin contact in the fixing belt 6, and offers through-hole 15, it is described logical Hole 15 is evenly distributed in fixing belt 6.

Be fixedly connected with cotton layer of cloth on one side with skin contact in the connecting band 11, and offer it is uniformly distributed breathe freely it is small Hole.

Uniformly distributed stomata 16 is offered in the female velcro 7 and sub- velcro 12 respectively.

The outer round surface of 8 end of link block is opened up there are three uniformly distributed open slot 8-1.

Utility model works principle:

The utility model replaces adhesive tape by setting connection component, using female velcro 7, fixing belt 6 and sub- velcro 12 The position of syringe needle 4 is fixed, meanwhile, through-hole, stomata and the aperture opened have airing function, and it is solid to reduce Classical adhesive tape There is the generation of itch phenomenon in timing skin, to achieve the effect that reduce pruitus and comfortably use；The utility model By the way that clamping component is arranged, using be connected and fixed the cooperation of frame folder 13 and holding screw 14 to sub- velcro 12 and connecting band 11 into Row clamps, and convenient for adjusting the Pasting length between sub- velcro 12 and female velcro 7, is suitable for reach in the portion of not having to The effect of position fixed needle.

It should be noted that, in this document, the relational terms of such as left and right or the like be used merely to an entity or Person's operation is distinguished with another entity or operation, is appointed without necessarily requiring or implying existing between these entities or operation What this actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic Element.

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 (5)

1. a kind of catheter for hemodialysis, including diversion pipe (1), left shunt pipe (2), right isocon (3), syringe needle (4), casing (5), fixing belt (6), female velcro (7), sub- velcro (12), connection component and clamping component, it is characterised in that: the water conservancy diversion The top for managing (1) is fixed respectively is communicated with left shunt pipe (2) and right isocon (3), the top and the right side point of the left shunt pipe (2) The top of flow tube (3) passes through casing (5) fixation and is communicated with syringe needle (4), and the outer surface of described sleeve pipe (5) is bonded with fixing belt (6), one end of the fixing belt (6) is connected with female velcro (7), and the other end of fixing belt (6) is provided with connection component；It is described Connection component includes link block (8), spherical clamp (9), plastic bar (10) and connecting band (11), one end of the link block (8) It is bonded on fixing belt (6), movable sleeve is connected to spherical clip head (9) in the middle part of the other end of the link block (8), the spherical shape clamp (9) it is integrally fixedly connected, the outer surface of the plastic bar (10) and link block (8) pivot bush unit, and extends with plastic bar (10) To the outside of link block (8), the left end of plastic bar (10) is bonded with connecting band (11)；Table on the other end of the connecting band (11) Face is placed with sub- velcro (12), and the sub- velcro (12) and connecting band (11) are to connect, and utilize clamping component will It is fixedly connected；The clamping component includes being connected and fixed frame folder (13) and holding screw (14), described to be connected and fixed frame folder (13) it is actively socketed on the outer surface end of sub- velcro (12) Yu connecting band (11), in the top spiral shell for being connected and fixed frame folder (13) Line is connected with holding screw (14), and the bottom end and sub- velcro (12) of the holding screw (14) are to connect.

2. a kind of catheter for hemodialysis according to claim 1, it is characterised in that: on the fixing belt (6) and skin Contact is fixedly connected with cotton layer of cloth on one side, and offers through-hole (15), and the through-hole (15) is evenly distributed in fixing belt (6) on.

3. a kind of catheter for hemodialysis according to claim 1, it is characterised in that: on the connecting band (11) and skin Contact is fixedly connected with cotton layer of cloth on one side, and offers uniformly distributed small ventilating holes.

4. a kind of catheter for hemodialysis according to claim 1, it is characterised in that: the female velcro (7) and son evil spirit Uniformly distributed stomata (16) are offered respectively in art patch (12).

5. a kind of catheter for hemodialysis according to claim 1, it is characterised in that: outside link block (8) end Circular surfaces are opened up there are three uniformly distributed open slot (8-1).