CN219109459U

CN219109459U - Blood taking needle protective sleeve

Info

Publication number: CN219109459U
Application number: CN202221933212.1U
Authority: CN
Inventors: 何荣霞; 高雪林; 尉爱红; 王�泓
Original assignee: Lanzhou University Second Hospital
Current assignee: Lanzhou University Second Hospital
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2023-06-02
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a blood taking needle protecting sleeve, which comprises a blood taking needle, wherein the blood taking needle is arranged at the tail end of a connecting pipe, a second needle head is arranged at the top end of the blood taking needle, a fixed block is arranged at the outer end of the connecting pipe, an inner groove is formed in the inner end of the fixed block, the second protecting sleeve is arranged at the outer end of the connecting pipe, the tail end of the second protecting sleeve is connected with a butt joint block, the tail end of the butt joint block is connected with a barb, the top end of the barb is in butt joint with the inner groove, a clamping groove is formed in the inner side of the second protecting sleeve, and a clamping block is connected with the tail end of the blood taking needle. This blood taking needle protective sheath is provided with second protective sheath and fixed block, fixes the second protective sheath before the use through the block inner inside groove and the block structure of barb, and the rethread fixture block is fixed in the location to the second protective sheath after the removal with the block structure of draw-in groove, avoids blood taking needle to break away from residual blood through the guard action of second protective sheath and produces the splash, increases the security of device subassembly.

Description

Blood taking needle protective sleeve

Technical Field

The utility model relates to the technical field of blood taking needles, in particular to a blood taking needle protecting sleeve.

Background

The lancet is a medical device for collecting blood samples during a medical test, and the most commonly used lancet assembly includes a puncture needle for puncturing the skin and vein wall of a patient, a blood feeding needle, and a hose for communicating, and problems are found during use as the use rate of the lancet increases, such as;

when the existing blood taking needle is used, after the blood taking needle is used, the blood taking needle can be pulled out of the vacuum blood taking tube and then discarded into the special medical waste box, but because the pulled blood taking needle tube lacks an effective protection device, medical staff can be easily sputtered by residual blood on the needle head in the pulling process, the safety of the medical staff is threatened, and the safety of a device component is poor.

In view of the above, it is highly desirable to provide a lancet protective cover.

Disclosure of Invention

The utility model aims to provide a blood taking needle protective sleeve, which solves the problems that when the existing blood taking needle is used, the blood taking needle can be pulled out from a vacuum blood taking tube and then is discarded into a special medical waste box after the blood taking needle is used, but because the pulled blood taking needle tube lacks an effective protective device, medical staff is easy to be sputtered by residual blood on a needle head in the pulling process, the safety of the medical staff is threatened, and the safety of a device component is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the blood taking needle protecting sleeve comprises a connecting pipe and a puncture needle, wherein the puncture needle is arranged at the head end of the connecting pipe;

further comprises:

the first needle is arranged at the top end of the puncture needle, the outer end of the puncture needle is provided with a wing plate, the outer surface of the wing plate is provided with a groove, the inner end of the groove is provided with a bump, and the outer end of the first needle is provided with a first protective sleeve;

the blood taking needle is installed in the end of connecting pipe, and the second syringe needle is installed on the top of blood taking needle, the fixed block is installed to the outer end of connecting pipe, and the inner tank has been seted up to the inner end of fixed block, the outer end of connecting pipe is provided with the second protective sheath, and the trailing end connection of second protective sheath has the butt joint piece to the end-to-end connection of butt joint piece has the barb, and the top and the inner tank butt joint of barb simultaneously, the draw-in groove has been seted up to the inboard of second protective sheath, the end-to-end connection of blood taking needle has the fixture block, and the fixture block top is butt joint with the draw-in groove.

Preferably, the pjncture needle is fixed connection with first syringe needle, and first syringe needle outer end is cup jointed with the first protective cover of rubber material to pjncture needle outer end and pterygoid lamina are fixed integrated structure, the recess has all been seted up to the tow sides of pterygoid lamina, and the inner evenly distributed of recess installs three groups lug, increases the skid resistance through the lug of pterygoid lamina outer end, avoids the landing of pjncture needle.

Preferably, the fixed block is fixedly connected with the outer end of the connecting pipe, the annular inner groove is formed in the inner end of the fixed block, the inner end of the second protective sleeve is in penetrating sliding connection with the connecting pipe, the bottom end of the second protective sleeve and the butt joint block are of a fixed integrated structure, two groups of barbs are symmetrically distributed and installed at the bottom end of the butt joint block, the L-shaped barbs form a clamping structure with the fixed block through the inner groove, and the initial position of the second protective sleeve is fixed in a positioning manner through the clamping structure formed by the barbs and the inner groove.

Preferably, two groups of clamping grooves are symmetrically distributed on the inner side of the second protective sleeve, two groups of clamping blocks are symmetrically distributed on the bottom end of the blood taking needle, the clamping blocks form a clamping structure with the second protective sleeve through the clamping grooves, and the second protective sleeve is stably sleeved at the orifice of the blood taking tube through the clamping structure formed by the clamping blocks and the clamping grooves, so that a protective effect is formed.

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

1. the blood taking needle protective sleeve is provided with the wing plates and the protruding blocks, when medical staff holds the wing plates to control the puncture needles to take blood, the plurality of groups of protruding blocks uniformly distributed and arranged at the outer ends of the wing plates can play a role in preventing sliding, so that the damage of skin scratch caused by the sliding of the puncture needles due to the fact that the wing plates are smaller is avoided;

2. this blood taking needle protective sheath is provided with second protective sheath and fixed block, fixes the second protective sheath before the use through the block inner inside groove and the block structure of barb, and the rethread fixture block is fixed in the location to the second protective sheath after the removal with the block structure of draw-in groove, avoids blood taking needle to break away from residual blood through the guard action of second protective sheath and produces the splash, increases the security of device subassembly.

Drawings

FIG. 1 is a schematic diagram of the overall front view of the present utility model;

figure 2 is a schematic diagram of the working structure of a second protective sleeve according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;

fig. 5 is a schematic top view of the wing plate of the present utility model.

In the figure: 1. a connecting pipe; 2. a puncture needle; 3. a first needle; 4. a wing plate; 5. a groove; 6. a bump; 7. a first protective sleeve; 8. a second needle; 9. a blood taking needle; 10. a fixed block; 11. an inner tank; 12. a second protective sleeve; 13. a butt joint block; 14. a barb; 15. a clamping groove; 16. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: a blood taking needle protecting sleeve comprises a connecting pipe 1 and a puncture needle 2, wherein the puncture needle 2 is arranged at the head end of the connecting pipe 1;

further comprises:

the first needle head 3 is arranged at the top end of the puncture needle 2, the outer end of the puncture needle 2 is provided with a wing plate 4, the outer surface of the wing plate 4 is provided with a groove 5, the inner end of the groove 5 is provided with a bump 6, and the outer end of the first needle head 3 is provided with a first protective sleeve 7;

according to fig. 1, 2 and 5, it can be seen that the puncture needle 2 is fixedly connected with the first needle head 3, the outer end of the first needle head 3 is sleeved with the first protective sleeve 7 made of rubber material, the outer end of the puncture needle 2 and the wing plate 4 are of a fixed integrated structure, the front and back surfaces of the wing plate 4 are provided with grooves 5, and three groups of bumps 6 are uniformly distributed and installed at the inner ends of the grooves 5.

When the blood collection work of a patient in a hospital is carried out, the blood collection needle 9 of the device can be inserted into the vacuum blood collection tube through the second needle head 8, after the insertion is finished, the first protective sleeve 7 at the top end of the puncture needle 2 is pulled out, medical staff can hold the wing plate 4 to puncture the patient to collect blood through the control of the first needle head 3, a plurality of groups of protruding blocks 6 are arranged at the outer end of the wing plate 4, the anti-slip performance of the medical staff during hand pinching is improved through the protruding blocks 6, the sliding of the puncture needle 2 is avoided, then a certain amount of negative pressure is preset in the production process due to the vacuum blood collection tube, after the puncture needle 2 punctures into the blood tube, blood automatically flows into the blood collection tube due to the negative pressure effect in the blood collection tube, and the blood collection flow can be finished.

The blood taking needle 9 is installed at the tail end of the connecting pipe 1, the second needle head 8 is installed at the top end of the blood taking needle 9, the fixed block 10 is installed at the outer end of the connecting pipe 1, the inner groove 11 is arranged at the inner end of the fixed block 10, the second protective sleeve 12 is arranged at the outer end of the connecting pipe 1, the butt joint block 13 is connected with the tail end of the second protective sleeve 12, the barb 14 is connected with the tail end of the butt joint block 13, meanwhile, the top end of the barb 14 is in butt joint with the inner groove 11, the clamping groove 15 is arranged at the inner side of the second protective sleeve 12, the clamping block 16 is connected with the tail end of the blood taking needle 9, and the top end of the clamping block 16 is in butt joint with the clamping groove 15.

According to fig. 1-4, it can be seen that the fixing block 10 is fixedly connected with the outer end of the connecting tube 1, the inner end of the fixing block 10 is provided with an annular inner groove 11, the inner end of the second protecting sleeve 12 is in penetrating sliding connection with the connecting tube 1, the bottom end of the second protecting sleeve 12 and the butt joint block 13 are in a fixed integrated structure, two groups of barbs 14 are symmetrically distributed at the bottom end of the butt joint block 13, the L-shaped barbs 14 form a clamping structure with the fixing block 10 through the inner groove 11, two groups of clamping grooves 15 are symmetrically distributed at the inner side of the second protecting sleeve 12, two groups of clamping blocks 16 are symmetrically distributed at the bottom end of the blood taking needle 9, and the clamping blocks 16 form a clamping structure with the second protecting sleeve 12 through the clamping grooves 15.

After blood sampling work is accomplished, medical personnel can hold the middle end position of two sets of barbs 14 of symmetrical distribution simultaneously with the forefinger through the thumb of hand, and then make L type barb 14 top break away from the block structure with the inside groove 11 of fixed block 10 inner, hold connecting pipe 1 again and promote second protective sheath 12 upwards this moment, make its middle end along connecting pipe 1 slide to the position of blood taking needle 9, when the tube head position at the blood taking tube is wrapped up to second protective sheath 12, the fixture block 16 of blood taking needle 9 bottom also will carry out the block through draw-in groove 15 and second protective sheath 12, and then fix the location to second protective sheath 12, drag the connecting pipe 1 at blood taking needle 9 terminal this moment, make blood taking needle 9 second syringe needle 8 and blood taking tube break away from, second protective sheath 12 can avoid blood taking needle 9 to break away from the back, residual blood sputtering on the second syringe needle 8 to medical personnel's hand, increase overall structure's security.

Working principle: when the blood taking needle protecting sleeve is used, according to fig. 1-5, the device is firstly placed at a position where work needs to be performed, the anti-slip performance of medical staff is improved by the aid of the plurality of groups of protruding blocks 6 arranged at the outer ends of the wing plates 4, the puncture needle 2 is prevented from sliding off when the medical staff pinch the wing plates 4 by hands, meanwhile, the second protecting sleeve 12 can prevent the blood taking needle 9 from being separated from the blood taking tube, residual blood of a needle head is prevented from being sputtered, safety damage is caused to the medical staff, and the overall practicability is improved.

What is not described in detail in this specification is prior art known to those skilled in the art.

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

Claims

1. The blood taking needle protecting sleeve comprises a connecting pipe (1) and a puncture needle (2), wherein the puncture needle (2) is arranged at the head end of the connecting pipe (1);

characterized by further comprising:

the first needle head (3) is arranged at the top end of the puncture needle (2), the outer end of the puncture needle (2) is provided with a wing plate (4), the outer surface of the wing plate (4) is provided with a groove (5), the inner end of the groove (5) is provided with a bump (6), and the outer end of the first needle head (3) is provided with a first protective sleeve (7);

the blood taking needle (9) is installed in the tail end of the connecting pipe (1), the second needle head (8) is installed at the top end of the blood taking needle (9), the fixed block (10) is installed at the outer end of the connecting pipe (1), the inner groove (11) is formed in the inner end of the fixed block (10), the second protective sleeve (12) is arranged at the outer end of the connecting pipe (1), the butt joint block (13) is connected with the tail end of the second protective sleeve (12), the barb (14) is connected with the tail end of the butt joint block (13), meanwhile, the top end of the barb (14) is connected with the inner groove (11) in a butt joint mode, the clamping groove (15) is formed in the inner side of the second protective sleeve (12), the tail end of the blood taking needle (9) is connected with the clamping block (16), and the top end of the clamping block (16) is connected with the clamping groove (15) in a butt joint mode.

2. The blood taking needle protecting sleeve according to claim 1, wherein the puncture needle (2) is fixedly connected with the first needle head (3), the outer end of the first needle head (3) is connected with the first protecting sleeve (7) made of rubber material in a sleeved mode, and the outer end of the puncture needle (2) and the wing plate (4) are of a fixed integrated structure.

3. The blood taking needle protecting sleeve according to claim 1, wherein grooves (5) are formed in the front surface and the back surface of the wing plate (4), and three groups of protruding blocks (6) are uniformly distributed at the inner ends of the grooves (5).

4. The blood taking needle protecting sleeve according to claim 1, wherein the fixing block (10) is fixedly connected with the outer end of the connecting pipe (1), an annular inner groove (11) is formed in the inner end of the fixing block (10), and the inner end of the second protecting sleeve (12) is in penetrating sliding connection with the connecting pipe (1).

5. The blood taking needle protecting sleeve according to claim 1, wherein the bottom end of the second protecting sleeve (12) and the butt joint block (13) are of a fixed integrated structure, two groups of barbs (14) are symmetrically distributed at the bottom end of the butt joint block (13), and the L-shaped barbs (14) and the fixed block (10) form a clamping structure through the inner groove (11).

6. The blood taking needle protecting sleeve according to claim 1, wherein two groups of clamping grooves (15) are symmetrically distributed on the inner side of the second protecting sleeve (12), two groups of clamping blocks (16) are symmetrically distributed on the bottom end of the blood taking needle (9), and the clamping blocks (16) and the second protecting sleeve (12) form a clamping structure through the clamping grooves (15).