CN210520978U

CN210520978U - Blood taking needle convenient to fix

Info

Publication number: CN210520978U
Application number: CN201920792835.3U
Authority: CN
Inventors: 刘青; 王蓉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-05-15
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a blood taking needle convenient to it is fixed, including syringe needle, pterygoid lamina, external member and negative pressure heparin tube, the outside of syringe needle is provided with the pterygoid lamina, the one end that the needle point was kept away from to the syringe needle is connected with the one end of hose, the one end integrated into one piece that the pterygoid lamina was kept away from to the hose has the sleeve pipe, the sleeve pipe is connected with the negative pressure heparin tube, the outside cover of hose has the external member and combs the dish, the external member comprises four group's rectangular plates, the lateral wall homogeneous body shaping that the two sets of symmetries of external member set up has the engaging lug, and has all seted up the draw-in groove in two sets of lateral walls, and is two sets of all construct the through-hole in the engaging lug, and wherein a set of the engaging lug pastes public portion with the magic and is. This blood taking needle convenient to it is fixed not only is convenient for fix the syringe needle, is convenient for accomodate syringe needle and hose moreover.

Description

Blood taking needle convenient to fix

Technical Field

The utility model belongs to the technical field of the blood taking needle, concretely relates to blood taking needle convenient to it is fixed.

Background

An instrument for collecting blood samples during medical tests generally comprises a needle and a needle rod, the needle being arranged at the head of the needle rod, a sheath being slidably connected to the needle rod, a return spring being arranged between the sheath and the needle rod and the sheath being in an initial position at the head of the needle and the needle rod. When an operator holds the needle tube to press the head of the blood taking needle on the limb of a patient, the sheath retracts under the elastic action of the skin, so that the needle head protrudes and pierces the skin to cause minimal trauma, and after the blood taking needle is pulled out, the sheath resets again under the action of the return spring to cover the needle head so as to prevent the needle head from being exposed and polluted or accidentally stabbing the human body. When the blood taking needle is pulled out, the cavity enclosed by the needle tube and the skin is gradually enlarged to form instantaneous negative pressure, which is beneficial to the collection of blood samples. After the blood taking needle pierces the blood vessel, need medical personnel to utilize medical sticky tape to carry out many places near the syringe needle fixed, after gathering blood sample, need tear the medical sticky tape on the skin, whole process is the waste of time not only, and the sticky tape is stuck skin and is brought extra pain for people moreover.

Therefore, in order to meet the current situation, the design and production of the blood taking needle convenient to fix are urgently needed so as to meet the requirement of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blood taking needle convenient to it is fixed to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a blood taking needle convenient to it is fixed, includes syringe needle, pterygoid lamina, external member and negative pressure heparin tube, the outside of syringe needle is provided with the pterygoid lamina, the one end that the needle point was kept away from to the syringe needle is connected with the one end of hose, the one end integrated into one piece that the pterygoid lamina was kept away from to the hose has the sleeve pipe, the sleeve pipe is connected with negative pressure heparin tube, the outside cover of hose has the external member and combs the dish, the external member comprises four rectangular plates of group, the equal shaping of lateral wall that two sets of symmetries of external member set up has the engaging lug, and has all seted up the draw-in groove in two sets of lateral walls, and is two sets of all construct the through-hole in the engaging lug, wherein a set of the engaging lug pastes public portion with the magic and.

Preferably, the surface of the wing plate is provided with a plurality of groups of anti-slip strips, and the wing plate is matched with the clamping groove.

Preferably, the carding disc is composed of two groups of circular plates and a connecting rod for connecting the two groups of circular plates, wherein the edge of one group of circular plates is provided with a notch matched with the hose.

Preferably, the outer wall of the sleeve is configured with a plurality of groups of bulges, the inner part of the sleeve is configured to be a conical cavity, and the sleeve is in threaded connection with the negative pressure blood collection tube.

Preferably, the protective cap and the sleeve are integrally formed, and a slot matched with the needle head is formed in the protective cap.

The utility model discloses a technological effect and advantage: according to the blood taking needle convenient to fix, the anti-slip strips on the surface of the wing plate are convenient for medical staff to pinch the wing plate with fingers to control the puncture angle; after the needle head enters the blood vessel, the sleeve piece is slid, the wing plates enter the clamping grooves of the sleeve piece, and the hook and loop fastener male part and the hook and loop fastener female part are sleeved on the arm and are adhered to each other, so that the wing plates and the needle head are fixed; the observation groove is beneficial to observing the blood return condition in the hose at the end part of the wing plate; the sleeve is in threaded connection with the negative pressure blood collection tube, so that the sleeve can be prevented from falling off from the negative pressure blood collection tube to influence blood collection; after blood collection, the needle head can be pulled out only by separating the male magic tape part from the female magic tape part, so that the influence of a medical adhesive tape on the skin of people is avoided; the carding disc is favorable to twining unnecessary hose, insert the helmet with the syringe needle after blood collection, will comb the dish and arrange in the external member on, utilize the magic to paste public portion and magic and paste female portion and fix pterygoid lamina and carding disc, make pterygoid lamina and syringe needle fix on the external member, not only can prevent that the syringe needle from pricking the people, be convenient for accomodate syringe needle, hose in addition, the space has been saved, this fixed blood taking needle of being convenient for, not only be convenient for fix the syringe needle, be convenient for accomodate syringe needle and hose moreover.

Drawings

Fig. 1 is a front view of the present invention;

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

fig. 3 is a cross-sectional view of the sleeve of the present invention;

fig. 4 is a side view of the carding plate of the invention.

In the figure: 1 syringe needle, 2 pterygoid lamina, 3 antislip strips, 4 magic subsides public portion, 5 engaging lugs, 6 external members, 60 draw-in grooves, 61 observation grooves, 7 magic subsides female portion, 8 protective cap, 9 hoses, 10 comb dish, 11 sleeves, 12 negative pressure blood sampling pipes, 13 archs, 14 breachs, 15 connecting rods.

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.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a blood taking needle convenient to fix as shown in figures 1-4, which comprises a needle head 1, a wing plate 2, a sleeve member 6 and a negative pressure blood taking tube 12, wherein the wing plate 2 is arranged outside the needle head 1, the needle head 1 and the wing plate 2 are integrally formed, one end of the needle head 1 far away from the needle point is connected with one end of a hose 9, one end of the hose 9 far away from the wing plate 2 is integrally formed with a sleeve 11, the sleeve 11 is connected with the negative pressure blood taking tube 12, the outer part of the hose 9 is sleeved with the sleeve member 6 and a carding disc 10, the sleeve member 6 is composed of four groups of rectangular plates, two groups of symmetrically arranged side walls of the sleeve member 6 are integrally formed with connecting lugs 5, clamping grooves 60 are arranged in the two groups of side walls, through holes are constructed in the two groups of connecting lugs 5, one group of the connecting lugs 5 is connected with a magic tape male part 4, the other group, an observation groove 61 is formed in the top wall of the sleeve 6, and a protective cap 8 is arranged on one side of the observation groove 61.

Specifically, the surface structure of pterygoid lamina 2 has multiunit antislip strip 3, pterygoid lamina 2 and draw-in groove 60 adaptation, syringe needle 1 get into the blood vessel after, slip external member 6 makes pterygoid lamina 2 get into the draw-in groove 60 of external member 6, pastes male portion 4 with the magic and pastes female portion 7 cover at the arm and adhere each other to fix pterygoid lamina 2 and syringe needle 1.

Specifically, the carding disc 10 is composed of two groups of circular plates and a connecting rod 15 for connecting the two groups of circular plates, wherein the edge of one group of circular plates is provided with a notch 14 matched with the hose 9, and the carding disc 10 is beneficial to winding the redundant hose 9.

Specifically, the outer wall of sleeve pipe 11 is constructed and is had multiunit arch 13, the inner structure of sleeve pipe 11 is the toper cavity, sleeve pipe 11 and negative pressure blood sampling pipe 12 threaded connection can prevent that sleeve pipe 11 from droing from negative pressure blood sampling pipe 12, influence blood collection.

Specifically, protective cap 8 and external member 6 integrated into one piece, the slot of structure in the protective cap 8 with syringe needle 1 adaptation inserts the protective cap with syringe needle 1, can prevent that syringe needle 1 from hindering the people.

Specifically, in the blood taking needle convenient to fix, the antislip strip 3 on the surface of the wing plate 2 is convenient for medical staff to pinch the wing plate 2 with fingers to control the puncture angle, after the needle 1 enters a blood vessel, the sleeve 6 is slid to enable the wing plate 2 to enter the clamping groove 60 of the sleeve 6, the male magic tape part 4 and the female magic tape part 7 are sleeved on the arm and are adhered to each other, so that the wing plate 2 and the needle 1 are fixed, the negative pressure blood taking tube 12 is used for automatically and quantitatively collecting venous blood samples by using the negative pressure of the negative pressure blood taking tube, after blood collection, the male magic tape part 4 is separated from the female magic tape part 7, the needle 1 can be pulled out, the carding disc 10 is favorable for winding redundant hoses 9, the needle 1 is inserted into the protective cap 8, the carding disc 10 is placed on the sleeve 6, the wing plate 2 and the carding disc 10 are fixed by using the male magic tape part 4 and the female magic tape part 7, so that the wing, and the needle 1 and the hose 9 can be conveniently stored.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a blood taking needle convenient to it is fixed, includes syringe needle (1), pterygoid lamina (2), external member (6) and negative pressure heparin tube (12), its characterized in that: the utility model discloses a novel blood sampling device, including syringe needle (1), be provided with pterygoid lamina (2) in the outside of syringe needle (1), the one end that the needle point was kept away from to syringe needle (1) is connected with the one end of hose (9), the one end integrated into one piece that pterygoid lamina (2) were kept away from in hose (9) has sleeve pipe (11), sleeve pipe (11) are connected with negative pressure blood sampling tube (12), the outside cover of hose (9) has external member (6) and carding dish (10), external member (6) comprises four groups of rectangular plates, the equal integrated into one piece of lateral wall of two sets of symmetry settings of external member (6) has engaging lug (5), and has all seted up draw-in groove (60) in two sets of lateral wall, has all constructed the through-hole in two sets of engaging lug (5), and wherein a set of engaging lug (5) are connected with magic subsides public portion (4), and another group of engaging lug (5) are connected, one side of the observation groove (61) is provided with a protective cap (8).

2. A lancet facilitating immobilisation according to claim 1, characterised in that: the surface of pterygoid lamina (2) is constructed there are multiunit antislip strip (3), pterygoid lamina (2) and draw-in groove (60) adaptation.

3. A lancet facilitating immobilisation according to claim 1, characterised in that: the carding disc (10) is composed of two groups of circular plates and a connecting rod (15) for connecting the two groups of circular plates, wherein the edge of one group of circular plates is provided with a notch (14) matched with the hose (9).

4. A lancet facilitating immobilisation according to claim 1, characterised in that: the outer wall of sleeve pipe (11) is constructed and is had multiunit arch (13), the inside construction of sleeve pipe (11) is the toper cavity, sleeve pipe (11) and negative pressure blood sampling pipe (12) threaded connection.

5. A lancet facilitating immobilisation according to claim 1, characterised in that: the protective cap (8) and the sleeve piece (6) are integrally formed, and a slot matched with the needle head (1) is formed in the protective cap (8).