Anti-pull blood taking needle

Abstract

The utility model relates to the technical field of medical equipment, and discloses an anti-pulling blood taking needle which comprises a needle stem, a puncture needle fixedly connected to the left side of the needle stem, a connecting tube arranged on the right side of the needle stem in a communicated mode and a connecting assembly arranged on one side of the needle stem. An auxiliary mechanism is arranged outside the needle stem, the bottom end of a spring is fixedly connected with a clamping block, the clamping block is clamped with a clamping groove, the right side of the clamping block is an inclined plane, a connecting rod is movably connected with a connecting sleeve, a positioning block is clamped with a positioning groove, and a plurality of second anti-slip strips are distributed on the outer wall of the needle handle at equal intervals. The blood taking needle solves the problems that when a bottle plug and a plug head of an existing blood taking needle are fixed, the bottle plug and the plug head need to be rotated many times, inconvenience is caused, the installation efficiency is affected, and then the blood taking efficiency of medical staff is affected.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a tear-proof blood collection needle. Background Art

[0002] Generally speaking, blood collection needles are mainly used in hospitals and other places to collect blood for various examinations on patients. For example, by pressing the blood collection needle on the subcutaneous tissue of capillaries such as fingers and toes, a small amount of blood can flow out, thus completing the blood collection. The collected blood can be used to measure the blood sugar of diabetic patients, or be loaded into a blood analysis device for cholesterol, triglycerides, etc. to complete various blood analysis.

[0003] According to a medical blood collection needle disclosed in patent publication number CN 207821822 U, the device can facilitate the fixation of the blood collection needle by providing anti-sticking adhesive paper and anti-movement tape on the needle stem and the needle handle, thereby eliminating the need to use additional adhesive tape for fixation, and thus making it convenient and simple to use, meeting usage requirements and saving time. In addition, the provided internal thread of the connecting tube sleeve and the external thread of the plug can better connect the connecting tube of the blood collection needle to the bottle stopper, ensuring the sealing of the connection, thereby facilitating blood collection and making it reliable to use. At the same time, the manufacturing process is simple, the cost is low, and it is easy to promote and use. However, when fixing the bottle stopper and the plug, the blood collection needle needs to be rotated multiple times, which is relatively inconvenient, thereby affecting the installation efficiency and thus affecting the blood collection efficiency of medical staff.

[0004] Therefore, we propose a tear-proof blood collection needle to solve the problem. Utility Model Content

[0005] The purpose of the present utility model is to provide a tear-proof blood collection needle, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions: a pull-proof blood collection needle, comprising a needle stem;

[0007] The puncture needle is fixedly connected to the left side of the needle stem;

[0008] Connecting tube provided on the right side of the needle stem;

[0009] And a connecting component arranged on one side of the needle stem, the connecting component includes a fixing mechanism arranged on the right side of the needle stem, and an auxiliary mechanism is arranged outside the needle stem.

[0010] Preferably, the fixing mechanism includes a connecting sleeve that is connected to the right side of the connecting pipe, a sealing ring is fixedly connected to the inner wall of the connecting sleeve, a positioning groove is provided on the inner wall of the connecting sleeve, a bottle plug is provided inside the connecting sleeve, a positioning block is fixedly connected to the left end of the bottle plug, a clamping groove is provided on the left outer wall of the bottle plug, an infusion column is fixedly connected to the right side of the bottle plug, an inner groove is provided inside the connecting sleeve, a clamping block is movably connected inside the inner groove, a spring is fixedly connected to the inner wall of the inner groove, a connecting rod is fixedly connected to the upper part of the clamping block, the outer end of the connecting rod is fixedly connected to the connecting block, and the outer wall of the connecting block is fixedly connected to the first anti-slip strip.

[0011] Preferably, the auxiliary mechanism includes a needle handle fixedly connected to the outer wall of the needle stem, the outer wall of the needle handle is fixedly connected to a second anti-slip strip, the outer wall of the needle stem is fixedly connected to an anti-movement tape, and the outer side of the anti-movement tape is fixedly connected to anti-sticking tape.

[0012] Preferably, the bottom end of the spring is fixedly connected to the clamping block, the clamping block is clamped to the clamping groove, the right side of the clamping block is a slope, and the connecting rod is movably connected to the connecting sleeve. Through the cooperation of the clamping groove, the inner groove, the clamping block, the connecting rod, the spring, the connecting block, and the first anti-slip strip, it is convenient to manually fix the connecting sleeve and the bottle stopper, thereby speeding up the installation efficiency of the connecting sleeve and the bottle stopper, and further speeding up the blood collection efficiency of medical staff.

[0013] Preferably, the positioning block is snap-fitted to the positioning groove, and the cooperation between the positioning groove and the bottle stopper increases the connection relationship between the connecting sleeve and the bottle stopper. At the same time, the block and the snap-fitting groove can be positioned, thereby making subsequent fixing operations more convenient.

[0014] Preferably, there are two clamping blocks, which are symmetrically distributed in the connecting sleeve.

[0015] Preferably, there are several second anti-slip strips, which are evenly distributed on the outer wall of the needle handle. The cooperation of the needle handle, the second anti-slip strips, the anti-movement tape and the anti-sticking paper facilitates the fixation of the blood collection needle, so that there is no need to take additional tape to fix it. It is convenient and simple to use, meets the use requirements, saves time, and prevents the blood collection needle from loosening.

[0016] The utility model provides a tear-proof blood collection needle. The tear-proof blood collection needle has the following beneficial effects:

[0017] (1) The anti-tear blood collection needle is provided with a fixing mechanism. Under the action of the clamping groove, inner groove, clamping block, connecting rod, spring, connecting block and first anti-slip strip, it is convenient for manual connection sleeve and bottle stopper to be fixed, thereby speeding up the installation efficiency of the connection sleeve and bottle stopper, and further speeding up the blood collection efficiency of medical staff. Under the action of the positioning groove and bottle stopper, the connection relationship between the connection sleeve and the bottle stopper is increased, and the clamping block and the clamping groove can be positioned at the same time, thereby making subsequent fixing operations more convenient;

[0018] (2) The anti-pull blood collection needle is easy to fix by setting an auxiliary mechanism under the action of the needle handle, the second anti-slip strip, the anti-movement tape, and the anti-sticking paper, so there is no need to take out additional tape to fix it. It is convenient and simple to use, meets the use needs, saves time, and can prevent the blood collection needle from loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the fixing mechanism structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the partial structure of the fixing mechanism of the utility model;

[0023] Figure 5 This is a schematic diagram of the auxiliary mechanism structure of the utility model;

[0024] In the figure: 1. needle stem; 2. puncture needle; 3. connecting assembly; 31. fixing mechanism; 311. connecting sleeve; 312. sealing ring; 313. positioning groove; 314. bottle stopper; 315. positioning block; 316. clamping groove; 317. infusion column; 318. inner groove; 319. clamping block; 3110. connecting rod; 3111. spring; 3112. connecting block; 3113. first anti-slip strip; 32. auxiliary mechanism; 321. needle handle; 322. second anti-slip strip; 323. anti-movement tape; 324. anti-sticking tape; 4. connecting tube. DETAILED DESCRIPTION

[0025] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation methods of the present invention are now described with reference to the accompanying drawings.

[0026] Example 1

[0027] like Figure 1-5As shown, the utility model provides a technical solution: an anti-pull blood collection needle, including a needle stem 1, a puncture needle 2 fixedly connected to the left side of the needle stem 1, a connecting tube 4 connected to the right side of the needle stem 1, and a connecting component 3 arranged on one side of the needle stem 1, the connecting component 3 includes a fixing mechanism 31 arranged on the right side of the needle stem 1, an auxiliary mechanism 32 is arranged on the outside of the needle stem 1, the fixing mechanism 31 includes a connecting sleeve 311 connected to the right side of the connecting tube 4, a sealing ring 312 is fixedly connected to the inner wall of the connecting sleeve 311, a positioning groove 313 is opened on the inner wall of the connecting sleeve 311, and the connecting sleeve 311 has a plurality of fixing mechanisms 311 and a plurality of fixing mechanisms 312. 11 is provided with a bottle stopper 314 inside, the left end of the bottle stopper 314 is fixedly connected to a positioning block 315, the left outer wall of the bottle stopper 314 is provided with a clamping groove 316, and the right side of the bottle stopper 314 is fixedly connected to an infusion column 317, an inner groove 318 is provided inside the connecting sleeve 311, a clamping block 319 is movably connected inside the inner groove 318, a spring 3111 is fixedly connected to the inner wall of the inner groove 318, a connecting rod 3110 is fixedly connected to the upper part of the clamping block 319, the outer end of the connecting rod 3110 is fixedly connected to the connecting block 3112, and the outer wall of the connecting block 3112 is fixedly connected to the first anti-slip strip 3113.

[0028] In this embodiment, the bottom end of the spring 3111 is fixedly connected to the block 319, the block 319 is clamped with the clamping groove 316, the right side of the block 319 is an inclined surface, and the connecting rod 3110 is movably connected to the connecting sleeve 311. Through the cooperation of the clamping groove 316, the inner groove 318, the block 319, the connecting rod 3110, the spring 3111, the connecting block 3112, and the first anti-slip strip 3113, it is convenient to manually fix the connecting sleeve 311 and the bottle stopper 314, thereby speeding up the installation efficiency of the connecting sleeve 311 and the bottle stopper 314, and further speeding up the blood collection efficiency of medical staff.

[0029] Furthermore, the positioning block 315 is snap-fitted to the positioning groove 313. Through the cooperation of the positioning groove 313 and the bottle stopper 314, the connection relationship between the connecting sleeve 311 and the bottle stopper 314 is increased. At the same time, the card block 319 and the snap-fitting groove 316 can be positioned, thereby making subsequent fixing operations more convenient.

[0030] Furthermore, there are two clamping blocks 319 symmetrically distributed in the connecting sleeve 311 .

[0031] When the connecting sleeve 311 and the bottle stopper 314 need to be fixed, the positioning block 315 fixedly connected to the outer wall of the bottle stopper 314 is first manually matched with the positioning groove 313 provided on the right side of the connecting sleeve 311, and then the bottle stopper 314 is inserted into the connecting sleeve 311. When the inner end of the bottle stopper 314 contacts the block 319, the outer side of the block 319 is inclined, so that when the bottle stopper 314 presses the block 319, the block 319 can be pressed under the action of the spring 3111. 9 moves into the inner groove 318, and then continues to move inward through the bottle stopper 314. When the inner end of the bottle stopper 314 contacts the sealing ring 312, the bottle stopper 314 is pushed inward manually, and then the spring 3111 can engage the clamping block 319 with the inner groove 318 under the action of the elastic force, so that the bottle stopper 314 can be fixed. The operation is simple and convenient, thereby speeding up the installation efficiency of the connecting sleeve 311 and the bottle stopper 314, and further speeding up the blood collection efficiency of medical staff.

[0032] Example 2

[0033] On the basis of Example 1, a preferred embodiment of the anti-pulling blood collection needle provided by the present invention is as follows: Figures 1 to 5 As shown: the auxiliary mechanism 32 includes a needle handle 321 fixedly connected to the outer wall of the needle stem 1, the outer wall of the needle handle 321 is fixedly connected to a second anti-slip strip 322, the outer wall of the needle stem 1 is fixedly connected to an anti-movement tape 323, and the outer side of the anti-movement tape 323 is fixedly connected to an anti-sticking paper 324.

[0034] In this embodiment, there are several second anti-slip strips 322, which are evenly distributed on the outer wall of the needle handle 321. Through the cooperation of the needle handle 321, the second anti-slip strips 322, the anti-movement tape 323, and the anti-sticking paper 324, the blood collection needle is easily fixed, so there is no need to take additional tape to fix it, which makes it convenient and simple to use, meets the use requirements, saves time, and prevents the blood collection needle from loosening.

[0035] During use, the medical staff holds the needle handle 321 and then inserts the puncture needle 2 into the patient's blood vessel. The medical staff can tear off the anti-sticking paper 324 on the anti-movement tape 323 and then stick the anti-movement tape 323 on the skin to fix the needle stem 1 and the needle handle 321. There is no need to take additional tape to fix it, which makes it convenient and simple to use, meets the use requirements, saves time, and prevents the blood collection needle from loosening.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tear-proof blood collection needle, comprising a needle stem (1); A puncture needle (2) fixedly connected to the left side of the needle stem (1); Connecting to a connecting tube (4) arranged on the right side of the needle stem (1); and a connecting assembly (3) arranged on one side of the needle stem (1), characterized in that: The connecting assembly (3) comprises a fixing mechanism (31) arranged on the right side of the needle stem (1), and an auxiliary mechanism (32) is arranged outside the needle stem (1).

2. The anti-tear blood collection needle according to claim 1, characterized in that: The fixing mechanism (31) comprises a connecting sleeve (311) connected to the right side of the connecting pipe (4); a sealing ring (312) is fixedly connected to the inner wall of the connecting sleeve (311); a positioning groove (313) is provided on the inner wall of the connecting sleeve (311); a bottle plug (314) is sleeved inside the connecting sleeve (311); a positioning block (315) is fixedly connected to the left end of the bottle plug (314); a clamping groove (316) is provided on the left outer wall of the bottle plug (314); and a positioning block (315) is fixedly provided on the right side of the bottle plug (314). An infusion column (317) is fixedly connected, an inner groove (318) is provided inside the connecting sleeve (311), a clamping block (319) is movably connected inside the inner groove (318), a spring (3111) is fixedly connected to the inner wall of the inner groove (318), a connecting rod (3110) is fixedly connected to the upper part of the clamping block (319), the outer end of the connecting rod (3110) is fixedly connected to the connecting block (3112), and the outer wall of the connecting block (3112) is fixedly connected to the first anti-slip strip (3113).

3. The anti-tear blood collection needle according to claim 1, characterized in that: The auxiliary mechanism (32) comprises a needle handle (321) fixedly connected to the outer wall of the needle stem (1); the outer wall of the needle handle (321) is fixedly connected to a second anti-slip strip (322); the outer wall of the needle stem (1) is fixedly connected to an anti-movement tape (323); and the outer side of the anti-movement tape (323) is fixedly connected to an anti-sticking tape (324).

4. The anti-tear blood collection needle according to claim 2, characterized in that: The bottom end of the spring (3111) is fixedly connected to the clamping block (319), the clamping block (319) is clamped to the clamping groove (316), the right side of the clamping block (319) is an inclined surface, and the connecting rod (3110) is movably connected to the connecting sleeve (311).

5. The anti-tear blood collection needle according to claim 2, characterized in that: The positioning block (315) is engaged with the positioning groove (313).

6. The anti-tear blood collection needle according to claim 2, characterized in that: There are two clamping blocks (319) symmetrically distributed in the connecting sleeve (311).

7. The anti-tear blood collection needle according to claim 3, characterized in that: There are a plurality of second anti-slip strips (322), which are evenly distributed on the outer wall of the needle handle (321).

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