CN209092402U - A kind of disposable dialysis safety indwelling needle - Google Patents

Abstract

The utility model discloses a kind of disposable dialysis safety indwelling needles, including remaining needle, conduit, silica gel hose and only black valve, the conduit lower end is connected with fixing seat, the fixing seat other end is connected with fixing pipe, fixed frame is fixedly welded in the fixing pipe, round tube is installed on the fixed frame, the fixing pipe other end is bonded with silica gel hose by viscose, only black valve is installed on the silica gel hose, the silica gel hose other end is connected with connecting tube, remaining needle is equipped in the conduit, the remaining needle includes needle core and fixing head, fixing head is fixedly welded on the right side of the needle core, the right side needle core that connecting tube is arranged in the fixing head successively movable is fed through conduit, fixing seat, round tube, silica gel hose and connecting tube.The disposable dialysis safety indwelling needle, can not only control the reflux problem of blood, while also be able to rotate needle core, reduce injury of the needle point to human body of needle core.

Description

A kind of disposable dialysis safety indwelling needle

Technical field

The utility model belongs to the field of medical instrument technology, and in particular to a kind of disposable dialysis safety indwelling needle.

Background technique

Dialysis is to be diffused into the principle of water (or buffer) through semi-permeable membrane by small molecule, by big point of small molecule and biology A kind of separated separating and purifying technology of son.Dialysis therapy is to make the ingredient (solute or moisture) in body fluid that body be discharged by semi-permeable membrane Outer treatment method generally can be divided into haemodialysis and two kinds of peritoneal dialysis.Dialysis remaining needle includes needle tubing component and needle core, When dialysis, needle core is arranged in needle tubing component and exposes needle point, needle tubing and needle core are punctured into together it is intravascular, when needle tubing whole Into after blood vessel, needle core is withdrawn out, only in the blood vessels by soft needle tubing indwelling, however, after withdrawing from needle core, by needle tubing group When the side of part connects external dialysis apparatus, needing to seal the hose of needle tubing component, to prevent Hemostatic Oral Liquid leakage, haemodialysis Patient's internal arteriovenous fistula has certain pressure, when discovery is using original dialysis remaining needle in clinical practice operation, when upper machine Separate calparine cap connection dialysis pipeline when, there are the risks of blood loss, and if puncture needle indwelling in the blood vessels, because of intravascular pressure Reason, there are the risks of reflux blood.

Therefore it is directed to this status, there is an urgent need to design and produce a kind of disposable dialysis safety indwelling needle, with full The needs actually used enough.

Utility model content

The purpose of this utility model is to provide a kind of disposable dialysis safety indwelling needles, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions: a kind of disposable dialysis secured location Needle, including remaining needle, conduit, silica gel hose and only black valve, the conduit lower end is connected with fixing seat, the fixing seat other end It is connected with fixing pipe, fixed frame is fixedly welded in the fixing pipe, round tube is installed on the fixed frame, the fixing pipe is another One end is bonded with silica gel hose by viscose, and only black valve, the silica gel hose other end connection are equipped on the silica gel hose There is connecting tube, remaining needle is equipped in the conduit, the remaining needle includes needle core and fixing head, fixed weldering on the right side of the needle core It is connected to fixing head, the right side needle core that connecting tube is arranged in the fixing head successively movable is fed through conduit, fixing seat, circle Pipe, silica gel hose and connecting tube.

Preferably, the only black valve includes movable part and attachment base, and described movable part one end is connected to one end of attachment base, The movable part other end is provided with clamping part, and the attachment base other end is provided with buckle slot, the attachment base and movable part Inner wall is bonded with clamping section by viscose, and the clamping section periphery is bonded with rubber slab by viscose.

Preferably, the round tube inner wall offers internal screw thread, offers external screw thread in the middle part of the needle core.

Preferably, it is worn out on the outside of conduit on the left of the needle core, is shaped to needlepoint form on the left of the needle core.

The technical effect and advantage of the utility model: the disposable dialysis safety indwelling needle passes through the card of movable part Buckle withholds buckle slot, so that two clamping sections offset, clamps silica gel hose, can blocking blood flow, while to go out The problem of existing blood reflux, connecting tube connect other instruments convenient for device, needle core are rotated by fixing head, so that needle core is in circle The rotation of pipe internal screw thread, so that the needle point of needle core rotates into conduit, reduces injury of the needle point to human body of needle core, this is disposable Dialysis safety indwelling needle, can not only control the reflux problem of blood, while being also able to rotate needle core, reduce the needle point of needle core to people The injury of body.

Detailed description of the invention

Fig. 1 is the main view of the utility model；

Fig. 2 is the main view of the remaining needle of the utility model；

Fig. 3 is the cross-sectional view of the fixing seat of the utility model；

Fig. 4 is the structural schematic diagram of the only black valve of the utility model.

In figure: black valve, 9 are stopped in 1 remaining needle, 2 conduits, 3 fixing seats, 4 fixing pipes, 5 fixed frames, 6 round tubes, 7 silica gel hoses, 8 Movable part, 10 attachment bases, 11 clamping parts, 12 buckle slots, 13 clamping sections, 14 connecting tubes, 15 needle cores, 16 fixing heads.

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.

The utility model provides a kind of disposable dialysis safety indwelling needle as shown in Figs 1-4, including remaining needle 1, conduit 2, silica gel hose 7 and only black valve 8,2 lower end of conduit are connected with fixing seat 3,3 other end of fixing seat is connected with Fixing pipe 4 is fixedly welded with fixed frame 5 in the fixing pipe 4, and round tube 6 is equipped on the fixed frame 5, and the fixing pipe 4 is another One end is bonded with silica gel hose 7 by viscose, and only black valve 8,7 other end of silica gel hose are equipped on the silica gel hose 7 It is connected with connecting tube 14, remaining needle 1 is equipped in the conduit 2, the remaining needle 1 includes needle core 15 and fixing head 16, described Fixing head 16 is fixedly welded on the right side of needle core 15, the right side that connecting tube 14 is arranged in the fixing head 16 needle core 15 is successively lived Dynamic is fed through conduit 2, fixing seat 3, round tube 6, silica gel hose 7 and connecting tube 14.

Specifically, the only black valve 8 includes movable part 9 and attachment base 10, described 9 one end of movable part is connected to attachment base 10 One end, 9 other end of movable part is provided with clamping part 11, and 10 other end of attachment base is provided with buckle slot 12, buckle Portion 11 can engage buckle slot 12, and the attachment base 10 and 9 inner wall of movable part are bonded with clamping section 13, the clamping by viscose 13 periphery of portion is bonded with rubber slab by viscose, and rubber slab can reduce damage of the clamping section 13 to silica gel hose 7.

Specifically, 6 inner wall of round tube offers internal screw thread, external screw thread is offered in the middle part of the needle core 15, so that needle core 15 can be able to carry out threads turn in round tube 6, be not only convenient for for needle core 15 being fixed, and facilitate the shifting of needle core 15 It is dynamic.

Specifically, wearing out 2 outside of conduit on the left of the needle core 15, needle point shape is shaped on the left of the needle core 15 Shape, so that needle core 15 is convenient for penetrating blood vessel.

Specifically, the disposable dialysis safety indwelling needle, penetrates blood vessel by the needle point of needle core 15, passes through movable part 9 clamping part 11 withholds buckle slot 12, so that two clamping sections 13 offset, clamps silica gel hose 7, can blocking blood flow, together When make the problem of being not in blood reflux, connecting tube 14 connects other instruments convenient for device, is rotated by fixing head 16 Needle core 15, so that the needle point of needle core 15 rotates into conduit 2, reduces the needle of needle core 15 so that needle core 15 is rotated in 6 internal screw thread of round tube Indwelling is convenient in injury of the point to human body.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (4)

1. a kind of disposable dialysis safety indwelling needle, including remaining needle (1), conduit (2), silica gel hose (7) He Zhimo valve (8), it is characterised in that: conduit (2) lower end is connected with fixing seat (3), and fixing seat (3) other end is connected with fixing pipe (4), it is fixedly welded with fixed frame (5) in the fixing pipe (4), round tube (6), the fixation is installed on the fixed frame (5) Pipe (4) other end is bonded with silica gel hose (7) by viscose, and only black valve (8), the silicon are equipped on the silica gel hose (7) Glue hose (7) other end is connected with connecting tube (14), is equipped with remaining needle (1) in the conduit (2), remaining needle (1) packet Needle core (15) and fixing head (16) are included, is fixedly welded with fixing head (16) on the right side of the needle core (15), the fixing head (16) sets Set that the right side needle core (15) in connecting tube (14) is successively movable to be fed through conduit (2), fixing seat (3), round tube (6), silicon Glue hose (7) and connecting tube (14).

2. a kind of disposable dialysis safety indwelling needle according to claim 1, it is characterised in that: the only black valve It (8) include movable part (9) and attachment base (10), described movable part (9) one end is connected to one end of attachment base (10), the activity Portion (9) other end is provided with clamping part (11), and attachment base (10) other end is provided with buckle slot (12), the attachment base (10) it is bonded with clamping section (13) with movable part (9) inner wall by viscose, clamping section (13) periphery is bonded with by viscose Rubber slab.

3. a kind of disposable dialysis safety indwelling needle according to claim 1, it is characterised in that: the round tube (6) Inner wall offers internal screw thread, offers external screw thread in the middle part of the needle core (15).

4. a kind of disposable dialysis safety indwelling needle according to claim 1, it is characterised in that: the needle core (15) Left side is worn out on the outside of conduit (2), is shaped to needlepoint form on the left of the needle core (15).