CN210124796U

CN210124796U - Puncture needle for internal medicine

Info

Publication number: CN210124796U
Application number: CN201920784263.4U
Authority: CN
Inventors: 张永涛; 王芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-03-06
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a puncture needle for internal medicine, which comprises an anti-blocking device and a positioning device; anti-blocking device: prevent stifled device includes the cavity needle body, the through-flow hole has been seted up on the cavity needle body, be equipped with the scale on the cavity needle body, the spout has been seted up to the inside bottom side of cavity needle body, the spout both ends all are equipped with fixed sleeve, and spring two has all been placed to two fixed sleeve's inside, and the one end that two springs two are close to each other all is connected with the ejector pin, and the equal trapezoidal slider of fixedly connected with of one end that two ejector pins are close to each other, two trapezoidal sliders all with spout sliding connection, the one end fixedly connected with anti-blocking rod that two trapezoidal sliders kept away from each other, and prevent that blocking rod and through-flow hole correspond and cup joint, be equipped with the needle lid on the cavity needle body, this internal medicine is with pjncture needle can be disclosed the needle mouth, avoids the in-process of pjncture.

Description

Puncture needle for internal medicine

Technical Field

The utility model relates to a pjncture needle technical field specifically is a pjncture needle for internal medicine.

Background

At present, the puncture biopsy of organs such as kidney and the like in the medical department is an extremely effective auxiliary means for diagnosing visceral organ diseases clinically, the existing puncture needle for the medical department mainly comprises a needle body, a needle tube and a needle core, the volume of the needle body is small, accumulated liquid needs to be discharged out of a body when the puncture needle is used for puncturing, and the needle opening is extremely easy to block in the process of discharging the accumulated liquid by the existing puncture needle because the accumulated liquid is mostly viscous blood and body fluid; and the volume of pjncture needle is less, and the time spent of puncture operation is longer, and medical practitioner consumes physical stamina serious at the puncture operation in-process, is difficult to control to the puncture degree of depth, is not convenient for medical practitioner's use.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a pjncture needle for internal medicine, can disclose the needle mouth and open, avoid the in-process of pjncture needle discharge hydrops to block up the needle mouth, can puncture the degree of depth and control moreover, the problem in the background art can effectively be solved in medical staff's of being convenient for use.

In order to achieve the above object, the utility model provides a following technical scheme: a puncture needle for internal medicine comprises an anti-blocking device and a positioning device;

anti-blocking device: the anti-blocking device comprises a hollow needle body, a liquid through hole is formed in the hollow needle body, scales are arranged on the hollow needle body, a sliding groove is formed in the bottom side of the inner portion of the hollow needle body, two ends of the sliding groove are respectively provided with a fixing sleeve, a second spring is placed in each fixing sleeve, one end, close to each other, of each second spring is connected with an ejector rod, one end, close to each other, of each ejector rod is fixedly connected with a trapezoidal sliding block, each trapezoidal sliding block is connected with the sliding groove in a sliding mode, one end, far away from each other, of each trapezoidal sliding block is fixedly connected with an anti-blocking rod, the anti-blocking rod is correspondingly sleeved with the liquid through hole, a needle cover is arranged on the hollow needle body, a push rod penetrates through the needle cover, a triangular ejector block is fixedly connected to the bottom end of the push rod, the triangular ejector block is abutted to the two, the anti-blocking rod on the trapezoidal sliding block can poke the liquid hole to poke the needle opening, so that the needle opening is prevented from being blocked in the process of discharging accumulated liquid by the puncture needle;

a positioning device: the positioning device comprises a positioning ring, a fixing wire is connected to the positioning ring through a threaded through hole in a threaded manner, a baffle is fixedly connected to the side surface array of the positioning ring in an array manner, and the puncture needle is blocked by the baffle during puncture, so that the puncture depth can be controlled, and the use of medical workers is facilitated;

wherein, the holding ring cup joints the side at the cavity needle body, and the inner butt of fixed silk is in the side butt of cavity needle body.

Further, still include resetting means, resetting means includes solid fixed ring, gu fixed ring fixes the side at the push rod, spring one has been cup jointed to the side of push rod, and spring one is located gu between fixed ring and the needle lid, spring one promotes solid fixed ring, is convenient for reset the push rod.

Furthermore, the needle cover is symmetrically provided with push handles, and the side faces of the push handles are provided with anti-skid grains, so that the push handles can be conveniently pushed, and the puncture needle can be conveniently punctured.

Further, an arc-shaped block groove is formed in the side face of the needle cover and is connected with the arc-shaped rubber clamping block in a clamped mode, the arc-shaped rubber clamping block is arranged inside the hollow needle body, the arc-shaped block groove and the arc-shaped rubber clamping block are fixedly connected in a clamped mode, and the needle cover can be sealed.

Furthermore, the medical adhesive tape is adhered to the baffle and is adhered to the skin of the patient, so that the puncture needle can be fixed conveniently.

Compared with the prior art, the beneficial effects of the utility model are that: this pjncture needle for internal medicine has following benefit:

1. the push rod is pressed, the push rod pushes the triangular ejecting block to move, the triangular ejecting block pushes the trapezoidal sliding block to move along the sliding groove, the anti-blocking rod on the trapezoidal sliding block can poke the liquid opening, the needle opening is poked, and the needle opening is prevented from being blocked in the process of discharging accumulated liquid by the puncture needle.

2. Can remove the holding ring along the cavity needle body, observe the scale to fix a position the holding ring through the fixed silk, block through the baffle during pjncture needle puncture, can puncture the degree of depth and control, the medical staff's of being convenient for use.

Drawings

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

FIG. 2 is a schematic sectional view of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 4 is an enlarged schematic view of the structure at the position B of the present invention.

In the figure: the medical needle comprises a hollow needle body 1, a liquid through hole 2, scales 3, a medical adhesive tape 4, a fixing thread 5, a baffle 6, a positioning ring 7, a push handle 8, a push rod 9, a fixing ring 10, a first spring 11, a needle cover 12, a triangular ejector block 13, a trapezoidal sliding block 14, an anti-blocking rod 15, a sliding groove 16, a fixing sleeve 17, a second spring 18, an ejector rod 19, an arc-shaped block groove 20 and an arc-shaped rubber clamping block 21.

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. 1-4, the present invention provides a technical solution: a puncture needle for internal medicine comprises an anti-blocking device and a positioning device; anti-blocking device: the anti-blocking device comprises a hollow needle body 1, a liquid through hole 2 is formed in the hollow needle body 1, blood and body fluid can conveniently flow into the needle body, scales 3 are arranged on the hollow needle body 1, a sliding groove 16 is formed in the bottom side of the inside of the hollow needle body 1, fixing sleeves 17 are arranged at two ends of the sliding groove 16, springs 18 are placed inside the two fixing sleeves 17, ejector rods 19 are connected to one ends, close to each other, of the two springs 18, trapezoidal sliders 14 are fixedly connected to one ends, close to each other, of the two ejector rods 19, the springs 18 extend out, the ejector rods 19 push the ejector rods 19 to move along the fixing sleeves 17, the two trapezoidal sliders 14 are pushed by the ejector rods 19 to be close to each other, the two trapezoidal sliders 14 can conveniently reset, the two trapezoidal sliders 14 are slidably connected with the sliding groove 16, an anti-blocking rod 15 is fixedly connected to one end, far, the needle cover 12 is arranged on the hollow needle body 1, the side surface of the needle cover 12 is provided with an arc-shaped block groove 20, the arc-shaped block groove 20 is clamped with an arc-shaped rubber clamping block 21, the arc-shaped rubber clamping block 21 is arranged inside the hollow needle body 1, the arc-shaped block groove 20 is clamped and fixed with the arc-shaped rubber clamping block 21, the needle cover 12 can be sealed, the needle cover 12 is symmetrically provided with a push handle 8, the side surface of the push handle 8 is provided with anti-skid veins for pushing the push handle 8 to facilitate puncture of the puncture needle, the needle cover 12 is penetrated with a push rod 9, the needle cover further comprises a reset device, the reset device comprises a fixing ring 10, the fixing ring 10 is fixed on the side surface of the push rod 9, the side surface of the push rod 9 is sleeved with a spring I11, the spring I11 is positioned between the fixing ring 10 and the needle cover 12, the spring I11 pushes the fixing ring 10 to facilitate reset of the push rod 9, the bottom, according to the technical scheme, the push rod 9 is pressed, the push rod 9 pushes the triangular ejector block 13 to move, the triangular ejector block 13 pushes the trapezoidal sliding block 14 to move along the sliding groove 16, the blocking-proof rod 15 on the trapezoidal sliding block 14 can poke the liquid opening 2, then pokes the needle opening, and the needle opening is prevented from being blocked in the process of discharging accumulated liquid of the puncture needle, and the positioning device comprises: the positioning device comprises a positioning ring 7, a fixing wire 5 is connected to the positioning ring 7 through a threaded through hole in a threaded manner, a baffle 6 is fixedly connected to the side surface array of the positioning ring 7, the puncture needle is blocked by the baffle 6 during puncture, the puncture depth can be controlled, and the use of medical workers is facilitated; wherein, the positioning ring 7 is sleeved on the side surface of the hollow needle body 1, and the inner end of the fixing wire 5 is abutted on the side surface of the hollow needle body 1.

When in use: push rod 9 is pressed, push rod 9 promotes triangle kicking block 13 and removes, triangle kicking block 13 promotes trapezoidal slider 14 and removes along spout 16, two trapezoidal sliders 14 promote ejector pin 19 and extrude second spring 18 along fixed sleeve 17, simultaneously anti-blocking rod 15 on trapezoidal slider 14 can disclose and open liquid hole 2, and then disclose the needle mouth and open, avoid the in-process of pjncture needle discharge hydrops to block up the needle mouth, second spring 18 stretches out, second spring 18 promotes ejector pin 19 and removes along fixed sleeve 17, make ejector pin 19 promote two trapezoidal sliders 14 and be close to each other, be convenient for two trapezoidal sliders 14 reset, and simultaneously, holding ring 7 removes along cavity 1, observe scale 3, and fix a position needle body 7 through fixed filament 5, block through baffle 6 during this pjncture needle puncture, can puncture depth of penetration control, the use of the medical staff of being convenient for.

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

1. A puncture needle for internal medicine is characterized in that: comprises an anti-blocking device and a positioning device;

anti-blocking device: the anti-blocking device comprises a hollow needle body (1), a liquid through hole (2) is formed in the hollow needle body (1), scales (3) are arranged on the hollow needle body (1), a sliding groove (16) is formed in the bottom side of the interior of the hollow needle body (1), two ends of the sliding groove (16) are respectively provided with a fixing sleeve (17), a second spring (18) is placed in each fixing sleeve (17), one end, close to each other, of each second spring (18) is connected with a push rod (19), one end, close to each other, of each push rod (19) is fixedly connected with a trapezoidal sliding block (14), each trapezoidal sliding block (14) is connected with the sliding groove (16) in a sliding manner, one end, far away from each other, of each trapezoidal sliding block (14) is fixedly connected with an anti-blocking rod (15), the anti-blocking rod (15) is correspondingly sleeved with the liquid through hole (2), a, a push rod (9) penetrates through the needle cover (12), a triangular top block (13) is fixedly connected to the bottom end of the push rod (9), and the triangular top block (13) is connected with the two trapezoidal sliding blocks (14) in a jacking mode;

a positioning device: the positioning device comprises a positioning ring (7), the positioning ring (7) is connected with a fixing wire (5) through a threaded through hole in a threaded manner, and baffles (6) are fixedly connected to the side surface array of the positioning ring (7);

wherein, the positioning ring (7) is sleeved on the side surface of the hollow needle body (1), and the inner end of the fixing wire (5) is abutted on the side surface of the hollow needle body (1).

2. A medical needle according to claim 1, wherein: still include resetting means, resetting means includes solid fixed ring (10), the side at push rod (9) is fixed in solid fixed ring (10), spring (11) have been cup jointed to the side of push rod (9), and spring (11) are located between solid fixed ring (10) and needle lid (12).

3. A medical needle according to claim 1, wherein: the needle cover (12) is symmetrically provided with push handles (8), and the side surfaces of the push handles (8) are provided with anti-skid grains.

4. A medical needle according to claim 1, wherein: arc-shaped block grooves (20) are formed in the side faces of the needle cover (12), the arc-shaped block grooves (20) are connected with arc-shaped rubber clamping blocks (21) in a clamped mode, and the arc-shaped rubber clamping blocks (21) are arranged inside the hollow needle body (1).

5. A medical needle according to claim 1, wherein: the medical adhesive tape (4) is adhered to the baffle (6), and the medical adhesive tape (4) is adhered to the skin of a patient.