CN218684404U

CN218684404U - Disposable vein blood taking needle capable of preventing puncture

Info

Publication number: CN218684404U
Application number: CN202222476678.XU
Authority: CN
Inventors: 高昌霞; 韩林露
Original assignee: NANJING INTEGRATED TRADITIONAL CHINESE AND WESTERN MEDICINE HOSPITAL
Current assignee: NANJING INTEGRATED TRADITIONAL CHINESE AND WESTERN MEDICINE HOSPITAL
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-03-24
Anticipated expiration: 2032-09-19

Abstract

The utility model belongs to the technical field of medical instrument, especially, a prevent disposable vein blood taking needle that stabs, to exist among the prior art when the in-service use, cylinder end and circular cone section when using, receive the influence of external force collision or vibrations easily and lead to the pine to take off, make vein blood taking needle lose the restriction and slide and spill, stab easily medical personnel and lead to the problem of infection now, put forward following scheme now, it includes shell, vein blood taking needle and connecting pipe, vein blood taking needle swing joint is at the inner wall of shell, connecting pipe fixed connection is on the right side of vein blood taking needle, and the top fixedly connected with needle handle of shell through the cooperation of slurcam with control mechanism, has realized fixing vein blood taking needle, prevents that vein blood taking needle from spilling, avoids stabbing medical personnel and lead to the effect of infecting, compares plug cylinder section and circular cone section and carry out spacing and shutoff to vein blood taking needle, uses convenient safety more, has very strong practicality and convenience.

Description

Puncture-proof disposable venous blood taking needle

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a prevent disposable venous blood taking needle of stabbing.

Background

The application numbers are: 202023235014.1's utility model discloses a prevent disposable blood sampling needle that stabs relates to medical instrument technical field, including blood sampling needle, blood sampling connecting pipe and bottle plug pjncture needle, the both ends of blood sampling connecting pipe are connected with blood sampling needle and bottle plug pjncture needle respectively, still include the needle tubing, and the needle tubing slip cap is established on the blood sampling needle, and the outer wall detachable of needle tubing is provided with the gag lever post that is used for restricting the removal of blood sampling needle, and the gag lever post can be pulled down and carry out the shutoff to the blood sampling input of needle tubing. Carry on spacingly to the vein blood taking needle through the gag lever post, to the condition that causes the puncture to patient when preventing taking a blood sample, the blood sampling is accomplished, dismantles the gag lever post from the needle tubing, and the needle tubing self-sliding covers the vein blood taking needle, then overlaps through the cone section cover and establish the blood sampling input end of needle tubing and carries out the shutoff to the opening of needle tubing, the effectual condition that causes the puncture to nursing staff when preventing to retrieve the blood taking needle.

Above-mentioned technical scheme carries out spacing and shutoff through plug cylinder section and conical section to the vein blood taking needle, when the in-service use, cylinder end and conical section are when using, the influence that receives external force collision or vibrations easily leads to the pine to take off, make the vein blood taking needle lose the restriction and slide and spill, it leads to the infection to stab medical personnel easily, so we provide a disposable vein blood taking needle that can fix the puncture-proof of vein blood taking needle, it loses the restriction and causes the slope or spill to have solved above-mentioned vein blood taking needle, it leads to the problem of infection to stab medical personnel easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing disposable vein blood taking needle in the prior art is easy to be loosened due to the influence of external force collision or vibration when the cylindrical end and the conical section are used, so that the vein blood taking needle is not limited and slides to leak, and the medical personnel are easy to be stabbed to cause the infection, and providing the stab-resistant disposable vein blood taking needle.

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

the utility model provides a prevent disposable vein blood taking needle of stabbing, includes shell, vein blood taking needle and connecting pipe, vein blood taking needle swing joint is at the inner wall of shell, connecting pipe fixed connection is on the right side of vein blood taking needle, the top fixedly connected with needle handle of shell, the top symmetry fixedly connected with restriction frame of vein blood taking needle, and the quantity of restriction frame is two, and the top of restriction frame is equipped with the draw-in groove, and the inner wall sliding connection of shell has the fixture block, fixture block and draw-in groove looks adaptation, the inner wall fixedly connected with limiting plate of shell, vein blood taking needle run through limiting plate, and the left side of shell is equipped with the export, and the outer wall of shell is equipped with control mechanism.

Preferably, the control mechanism comprises a pushing plate, a sliding rod and an elastic sheet, the pushing plate is connected to the top of the shell in a sliding mode, the sliding rod is fixedly connected to the left side of the pushing plate, the bottom of the sliding rod extends to the inside of the shell, the elastic sheet is arranged on the inner wall of the shell, the left side of the elastic sheet is fixedly connected with the bottom of the sliding rod, and the bottom of the elastic sheet is fixedly connected with the top of the clamping block.

Further, through control mechanism, conveniently drive the shell fragment and produce deformation and make the fixture block remove and restrict the blood sampling needle, prevent that the blood sampling needle from losing the restriction and sliding and spilling, lead to stabbing medical personnel and cause the infection.

Preferably, the inner wall of the housing is slidably connected with a sliding plate, and the left side of the connecting pipe is movably contacted with the right side of the sliding plate.

Furthermore, through the cooperation of the sliding plate and the connecting pipe, the sliding plate is conveniently pushed to move when the connecting pipe moves.

Preferably, the right side of the limiting plate is fixedly connected with a spring, and the left side of the sliding plate is fixedly connected with the right side of the spring.

Furthermore, through the elasticity of spring, conveniently promote the slide and reset and make the connecting pipe drive the blood sampling needle and reset.

Preferably, the limiting plates are symmetrically and fixedly connected with two limiting rods on the right side, and the limiting rods penetrate through the sliding plate.

Furthermore, through the limiting rod, the sliding plate is conveniently limited, so that the sliding plate can stably and transversely move.

Preferably, the needle handle is of a hollow structure, and a through hole is formed in the inner wall of the needle handle.

Furthermore, the adhesive tape is conveniently penetrated through the through hole, the needle handle and the shell are fixed, and the use is convenient.

Has the advantages that: the pushing plate is pushed to drive the sliding rod to move and the elastic sheet is pulled to drive the clamping block to move, the venous blood taking needle is inserted into the shell, the pushing plate is pulled to reset to drive the sliding rod to move, the elastic sheet is driven by the sliding rod to move and push the clamping block, the clamping block is moved and clamped with the clamping groove, and the venous blood taking needle is conveniently fixed;

the utility model discloses in: through the cooperation of catch plate and control mechanism, realized fixing the blood taking needle of vein, prevent that the blood taking needle of vein from spilling, avoid stabbing the effect that medical personnel lead to infecting, compare plug cylinder section and circular cone section and carry out spacing and shutoff to the blood taking needle of vein, use more convenient safety, have very strong practicality and convenience.

Drawings

Fig. 1 is a schematic structural view of a puncture-proof disposable venous blood taking needle according to the present invention, showing a front view when protecting the venous blood taking needle;

FIG. 2 is a schematic structural view of a main view of a puncture-proof disposable venous blood taking needle according to the present invention when the venous blood taking needle is used;

FIG. 3 is a three-dimensional view of a vein blood taking needle and a limiting frame of the puncture-proof disposable vein blood taking needle of the present invention;

fig. 4 is a three-dimensional view of the pushing plate, the needle handle and the sliding rod of the puncture-proof disposable venous blood taking needle provided by the utility model.

In the figure: 1. a housing; 2. a venous blood collection needle; 3. a limit frame; 4. a connecting pipe; 5. a limiting plate; 6. a spring; 7. a restricting lever; 8. a slide plate; 9. a needle handle; 10. a push plate; 11. a slide bar; 12. a spring plate; 13. and (7) clamping blocks.

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.

Example one

Referring to fig. 1-4, a puncture-proof disposable venous blood taking needle, including a housing 1, a venous blood taking needle 2 and a connecting pipe 4, the venous blood taking needle 2 is movably connected on the inner wall of the housing 1, the connecting pipe 4 is fixedly connected on the right side of the venous blood taking needle 2, the top fixedly connected with needle handle 9 of the housing 1, the top symmetrical fixedly connected with limiting frame 3 of the venous blood taking needle 2, and the number of the limiting frame 3 is two, the top of the limiting frame 3 is provided with a clamping groove, the inner wall of the housing 1 is slidably connected with a clamping block 13, the clamping block 13 is matched with the clamping groove, the inner wall of the housing 1 is fixedly connected with a limiting plate 5, the venous blood taking needle 2 penetrates through the limiting plate 5, the left side of the housing 1 is provided with an outlet, the outer wall of the housing 1 is provided with a control mechanism, the control mechanism comprises a pushing plate 10, a sliding rod 11 and a spring plate 12, the pushing plate 10 is slidably connected on the top of the housing 1, the sliding rod 11 is fixedly connected on the left side of the pushing plate 10, and the bottom of the sliding rod 11 extends to the inside of the housing 1, the spring plate 12 is fixedly connected with the top of the spring plate 13.

By means of the above mechanism: through shell 1, the convenience is protected venous blood taking needle 2, prevent that the needle point from spilling, the blood sampling of being convenient for through the cooperation of venous blood taking needle 2 and connecting pipe 4, cooperation through fixture block 13 and draw-in groove, it is convenient fixed to restriction frame 3, make venous blood taking needle 2 fixed, through slurcam 10, conveniently drive slide bar 11 and remove and make shell fragment 12 produce deformation and drive fixture block 13 and remove, cooperation through slurcam 10 and control mechanism, realized fixing venous blood taking needle 2, prevent venous blood taking needle 2 from spilling, avoid stabbing the effect that medical personnel lead to infecting, compare plug cylinder section and circular cone section and carry out spacing and shutoff to venous blood taking needle 2, it is more convenient and safer to use, very strong practicality and convenience have.

The utility model discloses in, the inner wall sliding connection of shell 1 has slide 8, and the left side of connecting pipe 4 and the right side movable contact of slide 8 through the cooperation of slide 8 with connecting pipe 4, promote slide 8 when making things convenient for connecting pipe 4 to remove and make slide 8 remove.

The utility model discloses in, the right side fixedly connected with spring 6 of limiting plate 5, the left side of slide 8 and the right side fixed connection of spring 6, through the elasticity of spring 6, conveniently promote slide 8 and reset and make connecting pipe 4 drive venous blood sampling needle 2 and reset.

The utility model discloses in, the right side symmetry fixedly connected with restriction pole 7 of restriction board 5, and the quantity of restriction pole 7 is two, and restriction pole 7 runs through slide 8, through restriction pole 7, conveniently restricts slide 8 for slide 8 stabilizes lateral shifting.

The utility model discloses in, needle handle 9 is hollow structure, and the inner wall of needle handle 9 is equipped with the through-hole, conveniently runs through the sticky tape through the through-hole, fixes convenient to use needle handle 9 and shell 1.

The working principle is as follows: in actual use, the pushing plate 10 is pressed, the pushing plate 10 moves leftwards to drive the sliding rod 11 to move, the elastic sheet 12 is moved through the sliding rod 11 and pulled, the clamping block 13 is moved through the elastic sheet 12 to move, the venous blood taking needle 2 is inserted into the shell 1 and penetrates through the sliding plate 8 and the limiting plate 5, the limiting frame 3 on the front side moves to the position below the clamping block 13, the pushing plate 10 resets and pulls the sliding rod 11 to move through the pulling of the pushing plate 10, the elastic sheet 12 is driven to move through the sliding rod 11, the clamping block 13 is pushed by the elastic sheet 12 at the moment, the clamping block 13 moves to be clamped with the clamping groove, the venous blood taking needle 2 is fixed in the shell 1, and the needle head of the venous blood taking needle 2 is prevented from leaking out to stab medical personnel, move through control catch plate 10 and drive fixture block 13 and remove and break away from the contact with the draw-in groove, venous blood needle 2 loses the restriction this moment, through promoting connecting pipe 4, connecting pipe 4 and slide 8 contact and promote slide 8 and remove this moment, slide 8 compression spring 6, make the compression of spring 6 hold power, slide 8 slides along with the direction of restriction pole 7 simultaneously, when restriction frame 3 on right side removes to the below of fixture block 13, reset through control catch plate 10, shell fragment 12 promotes fixture block 13 and fixes venous blood needle 2 in the current position this moment, make things convenient for medical personnel to use, rotate when can prevent venous blood needle 2 blood sampling through fixing venous blood needle 2, guarantee stability and the security that venous blood needle 2 used.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a prevent disposable vein blood taking needle of stabbing, includes shell (1), vein blood taking needle (2) and connecting pipe (4), its characterized in that, vein blood taking needle (2) swing joint is at the inner wall of shell (1), connecting pipe (4) fixed connection is on the right side of vein blood taking needle (2), the top fixedly connected with needle handle (9) of shell (1), the top symmetry fixedly connected with restriction frame (3) of vein blood taking needle (2), and the quantity of restriction frame (3) is two, and the top of restriction frame (3) is equipped with the draw-in groove, and the inner wall sliding connection of shell (1) has fixture block (13), fixture block (13) and draw-in groove looks adaptation, the inner wall fixedly connected with restriction board (5) of shell (1), and vein blood taking needle (2) run through restriction board (5), and the left side of shell (1) is equipped with the export, and the outer wall of shell (1) is equipped with control mechanism.

2. A puncture-proof disposable venous blood collection needle according to claim 1, characterized in that the control mechanism comprises a push plate (10), a slide rod (11) and a spring plate (12), the push plate (10) is slidably connected to the top of the housing (1), the slide rod (11) is fixedly connected to the left side of the push plate (10), the bottom of the slide rod (11) extends to the inside of the housing (1), the spring plate (12) is arranged on the inner wall of the housing (1), the left side of the spring plate (12) is fixedly connected to the bottom of the slide rod (11), and the bottom of the spring plate (12) is fixedly connected to the top of the clamping block (13).

3. A puncture-proof disposable lancet according to claim 1, wherein a slide plate (8) is slidably connected to the inner wall of the housing (1), and the left side of the connection tube (4) is in movable contact with the right side of the slide plate (8).

4. A puncture-proof disposable lancet according to claim 3, wherein the spring (6) is fixedly connected to the right side of the restriction plate (5), and the left side of the slide plate (8) is fixedly connected to the right side of the spring (6).

5. A puncture-proof disposable intravenous blood collection needle according to claim 1, wherein the right side of the restriction plate (5) is fixedly connected with two restriction rods (7) symmetrically, and the restriction rods (7) penetrate through the sliding plate (8).

6. A puncture-proof disposable venous blood collection needle according to claim 1, characterized in that the needle handle (9) is a hollow structure, and the inner wall of the needle handle (9) is provided with a through hole.