CN212308577U - Needle is put into to prevent acupuncture implanted infusion set - Google Patents

Abstract

The utility model discloses an insertion needle of an anti-acupuncture implanted infusion device, which comprises an insertion needle body, a first round gasket is arranged above the imbedding needle body, a first through hole is arranged in the middle of the first round gasket, the implantation needle body penetrates through the first through hole and slides on the first circular gasket, the upper end of the first circular gasket is provided with a second circular gasket, the second round gasket is provided with a second through hole, the imbedding needle body penetrates through the second through hole and is slidably arranged on the second round gasket, the second circular gasket is adhered with a fixing strip, the upper surface of the first circular gasket is fixedly provided with an elastic wire, after the needle head completely leaves the human body, the elastic thread automatically pushes the first circular gasket to the top of the needle head, and the blocking piece arranged in the mounting cavity is ejected to block the needle opening under the elastic action of the elastic piece, so that the needle head is prevented from being punctured.

Description

Needle is put into to prevent acupuncture implanted infusion set

Technical Field

The utility model relates to the technical field of medical treatment, specifically be a prevent acupuncture implanted infusion set and put into needle.

Background

The implanted central venous transfusion port is a relatively new technology in the clinical venous transfusion mode in recent years, is also called an implanted central venous catheter system, consists of an injection base for puncture and a radio-developable silica gel catheter, is mainly a device capable of being left in a body for intravenous transfusion for a long time in a subcutaneous implantation mode, and is mainly used for transfusion, venous blood sampling, parenteral nutrition, chemotherapy drug intravenous transfusion and the like in clinical.

Because the silica gel puncture diaphragm on the top of the infusion port base is compact in texture, a left thumb and a forefinger of a nurse need to press and fix the infusion port base when the infusion port is punctured and connected or the needle is pulled out after infusion is finished, and the right hand often needs to exert force to puncture and connect or pull out the infusion port needle. When the infusion port is punctured and connected or pulled out, the right hand usually unconsciously retracts elastically instantly, and the left finger of the base is pressed by a nurse to cause a needle-stick injury event due to the mechanical action.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent that acupuncture implanted infusion set puts into needle, through first through-hole and the second through-hole that is equipped with, be convenient for first circular gasket and the sliding of second circular gasket are putting into on the needle body, stretch out the automation and push away first circular gasket to the syringe needle top at the syringe needle after leaving human body completely, through the piece that hinders of installation in the installation cavity under shell fragment spring action, it pops out and blocks the needle mouth to hinder the piece, prevent that the syringe needle from stabbing, prevent that the nurse from pointing to cause the needle prick wound incident to take place, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-acupuncture implantable infusion device imbedding needle comprises an imbedding needle body, wherein a first circular gasket is arranged above the imbedding needle body, a first through hole is formed in the middle of the first circular gasket, the imbedding needle body penetrates through the first through hole and slides on the first circular gasket, a second circular gasket is arranged at the upper end of the first circular gasket, a second through hole is formed in the second circular gasket, the imbedding needle body penetrates through the second through hole and is slidably mounted on the second circular gasket, a fixing strip is pasted on the second circular gasket, an elastic wire is fixedly mounted on the upper surface of the first circular gasket and abuts against the lower surface of the second circular gasket and the upper surface of the first circular gasket, a communicated base is fixedly mounted at the upper end of the imbedding needle body, an installing cavity is formed in the first circular gasket, the installation cavity is internally provided with a resistance sheet, and one end of the resistance sheet is fixedly connected with an elastic sheet.

Preferably, the first circular gasket and the second circular gasket are circular gaskets made of silica gel.

Preferably, the stretch yarn is equipped with the multiunit, and the multiunit stretch yarn equidistance is installed first circular gasket with between the circular gasket of second.

Preferably, the lower end of the embedding needle body is provided with a cutting edge.

Preferably, the inner surface of the installation cavity of the first circular gasket is provided with an installation groove, and one end of the elastic sheet is fixed in the installation groove.

Preferably, the upper end of the base is sleeved with an infusion tube, and the outer surface of the infusion tube is fixedly connected with a needle handle.

Compared with the prior art, the beneficial effects of the utility model are that:

this prevent that acupuncture implanted infusion set puts into first through-hole and the second through-hole that is equipped with in the needle, be convenient for first circular gasket and the circular gasket of second slide on putting into the needle body, the stretch yarn pushes away first circular gasket to the syringe needle top automatically after the syringe needle leaves human body completely, through the piece that hinders of installation in the installation cavity under shell fragment elastic force effect, hinders the piece and pops out and block the needle mouth, prevents that the syringe needle from stabbing, prevents that the nurse from pointing to cause the needle puncture incident to take place.

Drawings

Fig. 1 is one of the schematic structural diagrams of the present invention;

fig. 2 is a second schematic structural diagram of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

FIG. 4 is an enlarged view of a portion B of FIG. 2;

FIG. 5 is a schematic view of the structure of the blocking sheet matching with the spring sheet;

FIG. 6 is a schematic structural view of a spring plate;

fig. 7 is a schematic view of the present invention.

In the figure: 1. placing a needle body; 2. a first circular gasket; 3. a first through hole; 4. a second circular gasket; 5. a second through hole; 6. stretch yarn; 7. a base; 8. installing a cavity; 9. a blocking sheet; 10. a spring plate; 11. a fixing strip; 12. cutting edges; 13. mounting grooves; 14. a transfusion tube; 15. a needle handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: an anti-acupuncture implanted infusion set imbedding needle comprises an imbedding needle body 1, a first round gasket 2 is arranged above the imbedding needle body 1, a first through hole 3 is arranged in the middle of the first round gasket 2, the imbedding needle body 1 penetrates through the first through hole 3 and slides on the first round gasket 2, a second round gasket 4 is arranged at the upper end of the first round gasket 2, a second through hole 5 is arranged on the second round gasket 4, the imbedding needle body 1 penetrates through the second through hole 5 and is slidably arranged on the second round gasket 4, a fixing strip 11 is adhered on the second round gasket 4, an elastic wire 6 is fixedly arranged on the upper surface of the first round gasket 2, the elastic wire 6 respectively abuts against the lower surface of the second round gasket 4 and the upper surface of the first round gasket 2, a communicated base 7 is fixedly arranged at the upper end of the imbedding needle body 1, an installing cavity 8 is arranged in the first round gasket 2, a blocking piece 9 is arranged in the installing cavity 8, one end fixedly connected with shell fragment 10 that blocks piece 9, first through-hole and second through-hole that is equipped with, be convenient for first circular gasket and the circular gasket of second slide on putting into the needle body, stretch out human back stretch yarn 6 is automatic pushes away first circular gasket 2 to the syringe needle top after the syringe needle leaves completely, block piece 9 through the installation in the installation cavity 8 under shell fragment 10 spring effect, block piece 9 and pop out and block the needle mouth, prevent the syringe needle puncture, prevent that nurse's finger from causing the needle puncture incident to take place, first circular gasket 2 that is equipped with plays the decompression effect, prevent to take place pressure nature damage, scribble the viscose on one side surface of fixed strip 11, make fixed strip 11 paste on the surface of second circular gasket 4.

Referring to fig. 1-7, the first circular pad 2 and the second circular pad 4 are both circular pads made of silicone rubber, and the circular pads made of silicone rubber have certain tension and flexibility to prevent pressure damage.

Referring to fig. 1-7, the elastic thread 6 has a plurality of groups, the plurality of groups of elastic threads 6 are equidistantly installed between the first circular pad 2 and the second circular pad 4, the plurality of groups of elastic threads 6 are arranged to enhance the elastic force, the elastic threads 6 begin to extend when the needle is pulled out, and the elastic threads 6 automatically push the first circular pad 2 to the top of the needle after the needle completely leaves the human body.

FIG. 5 is a schematic view of the structure of the blocking sheet matching with the spring sheet; FIG. 6 is a schematic structural view of a spring plate; the shell fragment is the spring leaf of W shape, and one section is fixed in mounting groove 13, and the other end is connected with hindering piece 9 through the structure of a little kink, can also prevent simultaneously and hinder piece 9 axial displacement, plays the effect of fixed hindering piece 9. After the needle body 1 is pulled out, the blocking piece 9 is pushed out along the arrow direction in the figure by the W-shaped elastic sheet 10, so that the first through hole 3 through which the needle body 1 can penetrate is sealed, if the needle body 1 penetrates out of the first through hole 3 again, the blocking piece 9 can be blocked, the needle body cannot penetrate out, and the puncture-proof effect is achieved.

The lower end of the implanted needle body 1 is provided with a cutting edge 12, and the cutting edge 12 is arranged to facilitate the implanted needle body 1 to be inserted into the body for transfusion, thereby reducing the area of the wound.

Be equipped with mounting groove 13 on the installation cavity 8 internal surface of first circular gasket 2, the one end of shell fragment 10 is fixed in mounting groove 13, is convenient for fix shell fragment 10 through mounting groove 13 that is equipped with, prevents that shell fragment 10 is not hard up, causes to hinder piece 9 and can't pop out and block the needle mouth, leads to the syringe needle to stab.

The infusion tube 14 is sleeved at the upper end of the base 7, the needle handle 15 and the needle handle 15 are fixedly connected to the outer surface of the infusion tube 14, and the anti-acupuncture implantable infusion device is conveniently placed into a needle insertion body and is convenient for needle placement.

The working principle is as follows: when the anti-acupuncture implantable infusion device is used for placing a needle, the first round gasket 2 and the second round gasket 4 can slide on the placed needle body 1 conveniently through the first through hole 3 and the second through hole 5, the first round gasket 2 and the second round gasket 4 are pasted and fixed through the fixing strip 11, the placed needle body 1 can be placed in the skin conveniently, when the needle is pulled out, the pasted fixing strip 11 is removed, so that the first round gasket 2 enhances the elasticity along with the multiple groups of elastic wires 6, the elastic wires 6 start to extend, the elasticity of the elastic wires 6 is not very large, the fixing strip 11 cannot be pulled to fall off, meanwhile, after the pasted fixing strip 11 is removed, an operator can apply upward pulling force to the base 7 to help to pull out the needle, meanwhile, the elastic wires 6 extend, and after the needle completely leaves the human body, the elastic wires 6 automatically push the first round gasket 2 to the top of the needle, the blocking piece 9 arranged in the mounting cavity 8 is ejected to block the needle opening under the elastic force action of the elastic sheet 10, so that the needle head is prevented from being punctured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a prevent that acupuncture implanted infusion set puts into needle, is including putting into needle body (1), its characterized in that: the needle comprises an insertion needle body (1), a first circular gasket (2) is arranged above the insertion needle body (1), a first through hole (3) is formed in the middle of the first circular gasket (2), the insertion needle body (1) penetrates through the first through hole (3) and slides on the first circular gasket (2), a second circular gasket (4) is arranged at the upper end of the first circular gasket (2), a second through hole (5) is formed in the second circular gasket (4), the insertion needle body (1) penetrates through the second through hole (5) and is slidably mounted on the second circular gasket (4), a fixing strip (11) is pasted on the second circular gasket (4), an elastic wire (6) is fixedly mounted on the upper surface of the first circular gasket (2), and the elastic wire (6) respectively abuts against the lower surface of the second circular gasket (4) and the upper surface of the first circular gasket (2), the upper end of the needle body (1) is fixedly provided with a communicated base (7), the first round gasket (2) is internally provided with an installation cavity (8), the installation cavity (8) is internally provided with a blocking sheet (9), and one end of the blocking sheet (9) is fixedly connected with an elastic sheet (10).

2. The needle of claim 1, wherein the needle comprises a needle body, a needle hub: the first round gasket (2) and the second round gasket (4) are round gaskets made of silica gel.

3. The needle of claim 1, wherein the needle comprises a needle body, a needle hub: the stretch yarn (6) is provided with a plurality of groups, and the stretch yarn (6) is arranged between the first circular gasket (2) and the second circular gasket (4) at equal intervals.

4. The needle of claim 1, wherein the needle comprises a needle body, a needle hub: the lower end of the embedded needle body (1) is provided with a cutting edge (12).

5. The needle of claim 1, wherein the needle comprises a needle body, a needle hub: an installation groove (13) is formed in the inner surface of the installation cavity (8) of the first round gasket (2), and one end of the elastic sheet (10) is fixed in the installation groove (13).

6. The needle of claim 1, wherein the needle comprises a needle body, a needle hub: an infusion tube (14) is sleeved at the upper end of the base (7), and a needle handle (15) is fixedly connected to the outer surface of the infusion tube (14).

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