CN214859983U - Transfusion port needle with positioning function - Google Patents

Abstract

An infusion port needle with a positioning function, which relates to the technical field of medical auxiliary appliances, comprises a positioning disc, an elastic positioning strip and a needle head; the needle head is bent at a right angle, the vertical needle body of the needle head vertically penetrates through the center of the disc surface of the positioning disc, and the horizontal needle body of the needle head is correspondingly attached to the top of the disc surface of the positioning disc; the edge of the bottom of the positioning disc is uniformly provided with three elastic positioning strips in a spacing ring manner, an included angle of 10-15 degrees is formed between the axis of the elastic positioning strips in the length direction and the axis of the vertical needle body of the needle head, the length of the elastic positioning strips is larger than that of the vertical needle body of the needle head, a medical silica gel layer is arranged on one side of the elastic positioning strips, which corresponds to the vertical needle body of the needle head, and release paper is adhered to the surface of the medical silica gel layer; the utility model discloses effectively reduced the degree of difficulty that medical personnel punctured the infusion port, infusion port needle location is firm reliable simultaneously, easy operation is convenient.

Description

Transfusion port needle with positioning function

Technical Field

The utility model belongs to the technical field of medical treatment appurtenance technique and specifically relates to a take infusion port needle of location.

Background

The known transfusion port is a fully-implanted central venous transfusion composite device, which consists of an injection seat and a catheter, wherein the injection seat is implanted under the skin and is provided with a cavity, the catheter is punctured into a blood vessel and directly reaches the right atrium, the central venous transfusion method can directly deliver medicines, blood products, nutrient substances and the like to the heart position, and the medicines are quickly diluted by utilizing larger blood flow of the heart, so that the stimulation of the vein infusion to the blood vessel is avoided, the complications of the transfusion are greatly reduced, and the central venous transfusion is a more clinically common transfusion mode; however, because the transfusion port is positioned under the skin of a patient, the needle head is difficult to accurately penetrate into the transfusion port during the puncture operation, the puncture operation is often required for multiple times, unnecessary pain is caused to the patient, in addition, the fixing of the needle of the transfusion port is difficult due to the fact that the position of the transfusion port of the patient is provided with a bulge, and the phenomenon is a problem to be solved urgently by technical personnel in the field.

Disclosure of Invention

In order to overcome the defects in the background technology, the utility model discloses an infusion port needle with positioning function.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an infusion port needle with positioning function comprises a positioning disc, an elastic positioning strip and a needle head; the needle head is bent at a right angle, the vertical needle body of the needle head vertically penetrates through the center of the disc surface of the positioning disc, and the horizontal needle body of the needle head is correspondingly attached to the top of the disc surface of the positioning disc; the utility model discloses a medical needle, including location disc, syringe needle, locating disc bottom edge equipartition spacer ring, and be equipped with three elastic positioning strip between the axis of elastic positioning strip length direction and the axis of the vertical needle body of syringe needle, the length of elastic positioning strip is greater than the length of the vertical needle body of syringe needle, one side that the elastic positioning strip corresponds the vertical needle body of syringe needle is equipped with medical silica gel layer, the surface paste on medical silica gel layer has from type paper.

Preferably, the vertical needle body activity of syringe needle runs through the positioning disc, and the central point of quotation bottom of positioning disc puts and is equipped with circular recess, the vertical needle body fastening connection of syringe needle has the spacing dish that corresponds supporting with the circular recess of positioning disc, and this spacing dish top quotation corresponds with the tank bottom of the circular recess of positioning disc and hugs closely, and the thickness of spacing dish is less than or equal to the degree of depth of the circular recess of positioning disc.

Preferably, a separation area convenient for separating the release paper from the medical silica gel layer is arranged at the position, corresponding to the elastic positioning strip and the positioning disc, of the release paper.

Preferably, one side of the separation zone extends out of the elastic positioning strip.

Preferably, a plurality of air holes are arranged on the strip body of the elastic positioning strip in an array mode, and the air holes penetrate through the medical silica gel layer.

Preferably, the outer circular surface of the positioning disc is provided with an anti-skidding structure.

Preferably, the anti-slip structure is anti-slip lines or anti-slip particles.

Preferably, the free end of the elastic positioning strip is a circular arc-shaped tip.

Preferably, the positioning disc is made of transparent materials.

Preferably, the positioning disc and the elastic positioning strip are of an integrated structure.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a transfusion harbor needle with positioning, simple structure, easy assembly, lower production cost, the spacer ring of the edge equipartition of positioning disc bottom is equipped with three elastic positioning strips, and is equipped with 10 ~ 15 contained angles between the axis of the elastic positioning strip length direction and the axis of the vertical needle body of the syringe needle, the length of the elastic positioning strip is greater than the length of the vertical needle body of the syringe needle, namely, when using, medical personnel can hold the positioning disc to make the free ends of the three elastic positioning strips correspond to the outer margin of the transfusion harbor of patients, thus ensuring that the vertical needle body of the syringe needle is located at the central position of the transfusion harbor of patients, thereby being capable of carrying out accurate puncture operation, effectively reducing the puncture difficulty of the medical personnel, and improving the puncture success rate; after puncture, the positioning disc can be contacted with the skin at the top of the patient infusion port, and meanwhile, the elastic positioning strip can be stuck and contacted with the outer edge of the patient infusion port, so that the positioning operation is simple and convenient, and the positioning is firm and reliable;

in addition, the vertical needle body of the needle head movably penetrates through the positioning disc, a circular groove is formed in the center of the bottom of the disc surface of the positioning disc, the vertical needle body of the needle head is fixedly connected with a limiting disc matched with the circular groove of the positioning disc, the disc surface of the top of the limiting disc is correspondingly attached to the groove bottom of the circular groove of the positioning disc, the thickness of the limiting disc is smaller than or equal to the depth of the circular groove of the positioning disc, namely the needle head can drive the limiting disc and the positioning disc to rotate relatively, when the elastic positioning strip is pasted and positioned, the horizontal needle body of the needle head can be still adjusted through medical care, and accidental blocking caused by bending and winding of an infusion catheter communicated with the needle head is avoided; the positioning disc is made of transparent materials, so that medical workers can observe the puncture condition of the needle head conveniently, and can observe whether the puncture position has seepage or not during subsequent nursing operation, and timely treatment is facilitated.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic structural view of a limiting plate;

FIG. 4 is a schematic view of the structure of the vent.

In the figure: 1. positioning the disc; 2. an elastic positioning strip; 3. a needle head; 4. a medical silica gel layer; 5. release paper; 6. a limiting disc; 7. a separation zone; 8. air holes are formed; 9. and (4) an anti-skid structure.

Detailed Description

The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.

With reference to the attached drawings 1-4, the transfusion port needle with the positioning function comprises a positioning disc 1, an elastic positioning strip 2 and a needle head 3; the needle head 3 is bent at a right angle, the vertical needle body of the needle head 3 vertically penetrates through the center of the disc surface of the positioning disc 1, and the horizontal needle body of the needle head 3 is correspondingly attached to the top of the disc surface of the positioning disc 1; three elastic positioning strips 2 are uniformly distributed at the bottom edge of the positioning disc 1 at intervals in a surrounding mode, 10-15-degree included angles are formed between the axes of the elastic positioning strips 2 in the length direction and the axes of the vertical needle bodies of the needle heads 3, and the lengths of the elastic positioning strips 2 are larger than that of the vertical needle bodies of the needle heads 3, so that when the positioning disc 1 is used, medical staff can hold the positioning disc 1 to enable the free ends of the three elastic positioning strips 2 to correspond to the outer edges of a patient infusion port, the vertical needle bodies of the needle heads 3 can be located at the center of the patient infusion port, accurate puncture operation can be conducted, puncture difficulty of the medical staff is effectively reduced, and puncture success rate is improved; after puncture, the positioning disc 1 can be contacted with the skin at the top of the patient infusion port, and the elastic positioning strip 2 can be stuck and contacted with the outer edge of the patient infusion port, so that the positioning operation is simple and convenient, and is firm and reliable; according to the requirement, an anti-skid structure 9 is arranged on the outer circular surface of the positioning disc 1, the anti-skid structure 9 is anti-skid grains or anti-skid particles, and medical personnel can conveniently clamp the positioning disc 1; the free end of the elastic positioning strip 2 is a circular arc-shaped tip, so that medical staff can conveniently and accurately correspond the free end of the elastic positioning strip 2 to the outer edge of the transfusion port of a patient, and the problem that the free end of the elastic positioning strip 2 has a sharp corner to cause the patient to feel stabbing pain can be avoided;

a medical silica gel layer 4 is arranged on one side, corresponding to the needle body of the needle head 3, of the elastic positioning strip 2, and release paper 5 is stuck on the surface of the medical silica gel layer 4, namely, when the medical silica gel medical needle is used, medical staff can remove the release paper 5, so that the medical silica gel layer 4 is stuck to the skin of a patient in a contact manner, the positions of the elastic positioning strip 2 and the positioning disc 1 are positioned, and the position of the needle head 3 is further positioned; according to the needs, a separation area 7 convenient for separating the release paper 5 from the medical silica gel layer 4 is arranged at the position, corresponding to the elastic positioning strip 2, of the release paper 5 and correspondingly connected with the positioning disc 1, and the elastic positioning strip 2 extends out of one side of the separation area 7, so that medical personnel can rapidly separate the release paper 5 from the medical silica gel layer 4 through the separation area 7, and the medical personnel is simple in structure and convenient to use; a plurality of air holes 8 are distributed in the strip body array of the elastic positioning strip 2, the air holes 8 penetrate through the medical silica gel layer 4, and the elastic positioning strip 2 has good air permeability due to the air holes 8, so that the comfort of a patient is effectively improved;

in addition, the vertical needle body of the needle head 3 movably penetrates through the positioning disc 1, a circular groove is formed in the center of the bottom of the disc surface of the positioning disc 1, the vertical needle body of the needle head 3 is fixedly connected with a limiting disc 6 which is correspondingly matched with the circular groove of the positioning disc 1, the disc surface of the top of the limiting disc 6 is correspondingly attached to the groove bottom of the circular groove of the positioning disc 1, the thickness of the limiting disc 6 is smaller than or equal to the depth of the circular groove of the positioning disc 1, namely the needle head 3 can drive the limiting disc 6 to rotate relative to the positioning disc 1, when the elastic positioning strip 2 is pasted and positioned, the horizontal needle body of the needle head 3 can be still adjusted through medical care, and the situation that an infusion catheter communicated with the needle head 3 is bent and wound to block accidentally is avoided; the positioning disc 1 is made of transparent materials, so that medical staff can conveniently observe the puncture condition of the needle head 3, and whether seepage exists at the puncture position can be observed during subsequent nursing operation, and timely treatment is facilitated; the positioning disc 1 and the elastic positioning strip 2 are of an integrated structure, so that the processing and the production are convenient, and the use cost is low.

Implement area infusion port needle of location, medical personnel can hand location disc 1 and make the free end of three elastic positioning strip 2 all corresponding with the outer fringe of patient infusion port, thereby can press down in location disc 1 makes syringe needle 3 pierce patient's infusion port, make elastic positioning strip 2 tile and contact with patient's skin after 1 bottom quotation of location disc and patient's skin contact, can make from type paper 5 and the separation of medical silica gel layer 4, thereby make elastic positioning strip 2 paste the location through medical silica gel layer 4, and then inject syringe needle 3's position.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be connected internally or in an interaction relationship, unless otherwise specifically limited, and the specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations;

the details of the present invention not described in detail are prior art, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims (10)

1. The utility model provides an infusion port needle of area location which characterized by: comprises a positioning disc (1), an elastic positioning strip (2) and a needle head (3); the needle head (3) is bent at a right angle, the vertical needle body of the needle head (3) vertically penetrates through the center of the disc surface of the positioning disc (1), and the horizontal needle body of the needle head (3) is correspondingly attached to the top of the disc surface of the positioning disc (1); location disc (1) bottom edge equipartition interval ring is equipped with three elastic positioning strip (2), and is equipped with 10 ~ 15 contained angles between elastic positioning strip (2) length direction's axis and syringe needle (3) vertical needle body's axis, and the length of elastic positioning strip (2) is greater than the length of syringe needle (3) vertical needle body, one side that elastic positioning strip (2) correspond syringe needle (3) vertical needle body is equipped with medical silica gel layer (4), the surface paste of medical silica gel layer (4) is equipped with from type paper (5).

2. The port needle with a locator of claim 1, wherein: the vertical needle body activity of syringe needle (3) runs through positioning disc (1), and the central point of positioning disc (1) quotation bottom puts and is equipped with circular recess, the vertical needle body fastening connection of syringe needle (3) has and corresponds supporting spacing dish (6) with positioning disc (1) circular recess, and this spacing dish (6) top quotation corresponds with positioning disc (1) circular recess's tank bottom and hugs closely, and the thickness of spacing dish (6) is less than or equal to the degree of depth of positioning disc (1) circular recess.

3. The port needle with a locator of claim 1, wherein: the position of the release paper (5) corresponding to the elastic positioning strip (2) and the positioning disc (1) is provided with a separation area (7) convenient for separating the release paper (5) from the medical silica gel layer (4).

4. A port needle with a locator according to claim 3 wherein: one side of the separation area (7) extends out of the elastic positioning strip (2).

5. The port needle with a locator of claim 1, wherein: a plurality of air holes (8) are arranged in the strip body array of the elastic positioning strip (2), and the air holes (8) penetrate through the medical silica gel layer (4).

6. The port needle with a locator of claim 1, wherein: and an anti-skid structure (9) is arranged on the outer circular surface of the positioning disc (1).

7. The port needle with a locator of claim 6, wherein: the anti-skid structure (9) is anti-skid grains or anti-skid particles.

8. The port needle with a locator of claim 1, wherein: the free end of the elastic positioning strip (2) is a circular arc-shaped tip.

9. The port needle with a locator of claim 1, wherein: the positioning disc (1) is made of transparent materials.

10. The port needle with a locator of claim 1, wherein: the positioning disc (1) and the elastic positioning strip (2) are of an integrated structure.

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