Novel rotary blood collection device with side cover

The new side-cap rotating blood collection device solves the problem of the protective cap easily falling off by using a rotating component and an elastic fixing block design, thus ensuring the safe use and protection of the blood collection needle and avoiding the risk of bacterial contamination and human puncture.

WO2026065572A1PCT designated stage Publication Date: 2026-04-02WANG WENPIN
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2026-04-02

AI Technical Summary

Technical Problem

The protective caps on existing blood collection devices are prone to falling off, leading to the exposure of the blood collection needle, which poses a safety hazard of bacterial contamination and puncture.

Method used

A novel side-cap rotating blood collection device was designed. Through the cooperation of the rotating component and the elastic fixing block, the protective cap and the blood collection needle can be reliably fixed and separated, preventing the protective cap from falling off.

Benefits of technology

This effectively prevents the protective cap from falling off, ensuring the safety of the blood collection needle during use and storage, and preventing bacterial contamination and human puncture.

✦ Generated by Eureka AI based on patent content.

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Abstract

Disclosed is a novel rotary blood collection device with a side cover, relating to the technical field of medical instruments. Said blood collection device comprises: a blood collection device assembly; and a rotating assembly, the rotating assembly comprising a support block (21) connected to the outer surface position at the top end of a cannula (11), a sleeve (22) connected to the upper end position of the support block (21), a blood collection needle (23) connected to the inner position of the sleeve (22), clamping grooves (24) provided at two end positions on one side of the upper end of the support block (21), clamping blocks (25) connected to the inner positions of the clamping grooves (24), a movable side cover (26) connected to the outer positions of the clamping blocks (25), and first fixing blocks (27) connected to two side positions at the bottom end of the movable side cover (26).
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Description

New side cover rotating type blood collector TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is new side cover rotating type blood collector. BACKGROUND

[0002] Blood collector is a kind of medical instrument, mainly is used to collect, preserve blood sample to carry out in vitro diagnostic test.Blood collector is easy to operate and maintain.In the use process, it needs to pay attention to disinfection and aseptic operation, to ensure that blood collection task is safely and effectively completed.

[0003] The existing blood collector usually uses protective cap to protect blood collection needle, but the protective cap is usually sleeved on the outer surface of blood collection needle, the protective cap is prone to fall off when placing, leading to blood collection needle exposed to the outside world, light makes blood collection needle bacterial contamination and bending, heavy will make blood collection needle puncture to human body, makes human body be infected, has security risk.

[0004] UTILITY MODEL CONTENTS

[0005] The utility model discloses a new side cover rotating type blood collector to solve the problem that the existing blood collector is usually protected by protective cap in the background art, but the protective cap is usually sleeved on the outer surface of blood collection needle, the protective cap is prone to fall off when placing, leading to blood collection needle exposed to the outside world, light makes blood collection needle bacterial contamination and bending, heavy will make blood collection needle puncture to human body, makes human body be infected, has security risk.

[0006] To solve the above technical problem, the utility model provides a new side cover rotating type blood collector, comprising:

[0007] Blood collector assembly, the blood collector assembly includes sleeve pipe;

[0008] Rotary assembly, the rotary assembly includes support block connected to the outer surface position of the top end of sleeve pipe, sleeve connected to the upper end position of support block, blood collection needle connected to the internal position of sleeve, clamping groove opened in the both end positions of the upper end of support block, clamping block connected to the internal position of clamping groove, movable side cover connected to the outer side position of clamping block, first fixed block connected to the both side positions of the bottom end of movable side cover, baffle connected to the internal lower end position of movable side cover and second fixed block connected to the bottom end position of first fixed block.

[0009] Further, the blood collector assembly further includes sealing plug connected to the internal position of sleeve pipe, piston rod connected to the internal bottom end position of sealing plug, piston handle connected to the outer side position of one end of piston rod and protective cap connected to the external position of the top end of sleeve pipe.

[0010] Further, the rotating assembly further comprises a clamping point connected to the bottom end of the supporting block, a sliding groove opened on one side of the outer surface of the protective cap, a stopper connected to the inner part of the sliding groove, and a vacuum tube connected to the inner part of the protective cap.

[0011] Further, the protective cap is connected to the outer surface of the upper end of the sleeve, the baffle is in U-shaped structure, and the inner side of the baffle is in contact with the outer side of the protective cap.

[0012] Further, the first fixing block and the second fixing block are elastic blocks.

[0013] Further, the outer side of the first fixing block is in contact with the outer side of the lower end of the protective cap.

[0014] Further, the second fixing block is clamped with the lower end of the supporting block.

[0015] Further, the protective cap is located in the inner part of the movable side cover.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: through the rotating assembly, when the blood taking needle needs to be used, the movable side cover is driven to separate the bottom end of the supporting block, and the movable side cover is driven to rotate the clamping block in the clamping groove, at the same time, the first fixing block and the outer side of the protective cap are separated, so that the movable side cover and the blood taking needle and the protective cap keep the vertical state, thereby exposing the blood taking needle and the protective cap, then the protective cap and the blood taking needle are separated, and the blood taking needle can be used to take blood, when the blood taking needle needs to be protected, the protective cap is sleeved on the outer part of the blood taking needle, and the movable side cover is driven to rotate the clamping block, the first fixing block and the second fixing block, so that the clamping block rotates in the clamping groove, the first fixing block extrudes the outer side of the protective cap, and the second fixing block and the bottom end of the supporting block are clamped, so that the movable side cover is fixed on the upper end of the supporting block, and the movable side cover fixes the protective cap, which effectively avoids the possibility of falling off of the protective cap, and the movable side cover can be opened and folded to the clamping point and the sliding groove of the movable side cover, and then the movable side cover is rotated until the clamping point and the stopper are abutted, so that the movable side cover can be horizontally rotated. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

[0018] Fig. 1 is the front view of the utility model;

[0019] Fig. 2 is a sectional view of the present application;

[0020] Fig. 3 is an enlarged view of A of the present application;

[0021] Fig. 4 is a second fixed block connection diagram of the present application;

[0022] Fig. 5 is another use state diagram of the present application.

[0023] In the drawings, the components represented by each reference numeral are listed as follows: 11, sleeve; 12, sealing plug; 13, piston rod; 14, piston handle; 15, protective cap; 21, support block; 22, sleeve; 23, blood sampling needle; 24, clamping groove; 25, clamping block; 26, movable side cover; 27, first fixed block; 28, baffle; 29, second fixed block; 291, clamping point; 292, sliding groove; 293, stop; 294, vacuum tube. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Please refer to Figs. 1-5, the present embodiment is a new side cover rotating type blood sampler, comprising:

[0026] The blood sampler assembly comprises a sleeve 11.

[0027] The rotating assembly comprises a support block 21 connected to the outer surface position of the top end of the sleeve 11, a sleeve 22 connected to the upper end position of the support block 21, a blood sampling needle 23 connected to the inner position of the sleeve 22, a clamping groove 24 opened at both ends of the upper end of the support block 21, a clamping block 25 connected to the inner position of the clamping groove 24, a movable side cover 26 connected to the outer side position of the clamping block 25, a first fixed block 27 connected to the bottom end of both sides of the movable side cover 26, a baffle 28 connected to the inner lower end position of the movable side cover 26, and a second fixed block 29 connected to the bottom end position of the first fixed block 27.

[0028] Support block 21 is used to support sleeve 22 and limit second fixing block 29. Sleeve 22 is used to support protective cap 15 and blood collection needle 23. Blood collection needle 23 is used for blood collection. Slot 24 is used to limit locking block 25. Locking block 25 is used to support movable side cover 26. Movable side cover 26 is used to protect blood collection needle 23 and limit protective cap 15. First fixing block 27 is used to fix protective cap 15. Baffle 28 is used to limit protective cap 15. Second fixing block 29 is used to limit movable side cover 26.

[0029] The blood collection device assembly also includes a sealing plug 12 connected to the inside of the cannula 11, a piston rod 13 connected to the bottom of the inside of the sealing plug 12, a piston handle 14 connected to the outside of one end of the piston rod 13, and a protective cap 15 connected to the outside of the top of the cannula 11.

[0030] The sealing plug 12 is used to seal the inside of the sleeve 11, the piston rod 13 is used to drive the sealing plug 12 to move, the piston handle 14 is used to drive the piston rod 13 to move, and the protective cap 15 is used to protect the blood collection needle 23.

[0031] The rotating assembly also includes a locking point 291 connected to the bottom of the support block 21, a slide groove 292 opened on one side of the outer surface of the protective cap 15, a stop 293 connected to the inside of the slide groove 292, and a vacuum tube 294 connected to the inside of the protective cap 15.

[0032] The locking point 291 can rotate inside the slide 292, and the stop 293 can limit the locking point 291. The vacuum tube 294 is used to collect blood from the blood collection needle 23.

[0033] The protective cap 15 is connected to the outer surface of the upper end of the sleeve 22. The baffle 28 has a U-shaped structure, and the inner side of the baffle 28 is in contact with the outer side of the protective cap 15.

[0034] The protective cap 15 can be snapped into the inside of the baffle 28, and the protective cap 15 is sleeved on the outside of the blood collection needle 23, without the protective cap 15 contacting the blood collection needle 23;

[0035] The first fixing block 27 and the second fixing block 29 are elastic blocks;

[0036] The first fixing block 27 and the second fixing block 29 can undergo elastic deformation and return to their original shape when no external force is applied.

[0037] The outer side of the first fixing block 27 is in contact with the outer side of the lower end of the protective cap 15;

[0038] When the outer side of the first fixing block 27 comes into contact with the outer side of the protective cap 15, the first fixing block 27 presses against the protective cap 15.

[0039] The second fixing block 29 is engaged with the lower end of the supporting block 21;

[0040] When the second fixing block 29 is engaged with the lower end of the supporting block 21, the second fixing block 29 drives the movable side cover 26 to be fixed on the supporting block 21;

[0041] The protective cap 15 is located at an inner position of the movable side cover 26;

[0042] The movable side cover 26 can be rotated to an outer position of the protective cap 15;

[0043] Working principle: when it is needed to protect the blood taking needle 23, the protective cap 15 is sleeved at an outer position of the sleeve 22, the blood taking needle 23 is located at an inner position of the protective cap 15, and an inward rotating force is applied to the movable side cover 26, so that the movable side cover 26 is rotated inward, the movable side cover 26 drives the baffle 28 and the first fixing block 27 and the second fixing block 29 to rotate inward, when the movable side cover 26 is rotated to be collinear with the protective cap 15, the baffle 28 is engaged with the outer surface of the protective cap 15, the first fixing block 27 is pressed against the outer surface of the protective cap 15, the protective cap 15 is fixed at an inner position of the movable side cover 26, and the second fixing block 29 is rotated to be engaged with the bottom end of the supporting block 21, so that the movable side cover 26 is driven by the second fixing block 29 to be fixed at an upper end position of the supporting block 21, the protective cap 15 is fixed at an upper end position of the supporting block 21, and the blood taking needle 23 is protected;

[0044] When it is needed to horizontally rotate the movable side cover 26, the movable side cover 26 is folded back until the engaging point 291 is engaged with the sliding groove 292, a horizontal rotating force is applied to the movable side cover 26, so that the movable side cover 26 is rotated along the engaging point 291 in the sliding groove 292 until the engaging point 291 abuts against the stop 293, and then the movable side cover 26 can be horizontally rotated;

[0045] The blood taking needle 23 is inserted into a vein by taking off the protective cap 15, and then the vacuum tube 294 is inserted into the protective cap 15, so that the blood taking needle 23 can be used to take blood sample.

[0046] In the description of the present application, it should be further explained that, unless otherwise specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0047] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A new side cap rotary type blood collector, characterized by, The application relates to a blood sampling device assembly. The blood sampling device assembly comprises a sleeve (11); a rotating assembly which comprises a supporting block (21) connected to the outer surface of the top end of the sleeve (11), a sleeve (22) connected to the upper end of the supporting block (21), a blood sampling needle (23) connected to the inner part of the sleeve (22), a clamping groove (24) formed on the upper end of the supporting block (21), a clamping block (25) connected to the inner part of the clamping groove (24), a movable side cover (26) connected to the outer part of the clamping block (25), a first fixing block (27) connected to the bottom end of the movable side cover (26), a baffle (28) connected to the inner lower end of the movable side cover (26), and a second fixing block (29) connected to the bottom end of the first fixing block (27). The blood sampling device assembly further comprises a sealing plug (12) connected to the inner part of the sleeve (11), a piston rod (13) connected to the inner bottom end of the sealing plug (12), a piston handle (14) connected to the outer part of one end of the piston rod (13), and a protective cap (15) connected to the outer part of the top end of the sleeve (11).

2. The new side cap rotary type blood sampler according to claim 1, wherein: The rotating assembly further comprises a clamping point (291) connected to the bottom end of the supporting block (21), a sliding groove (292) formed on the outer surface of the protective cap (15), a stopper (293) connected to the inner part of the sliding groove (292), and a vacuum tube (294) connected to the inner part of the protective cap (15).

3. The new side cap rotating type blood sampler according to claim 2, wherein: The protective cap (15) is connected to the outer surface of the upper end of the sleeve (22), the baffle (28) is in U-shaped structure, and the inner side of the baffle (28) is in contact with the outer side of the protective cap (15).

4. The new side cap rotary type blood collector according to claim 1, wherein: The first fixing block (27) and the second fixing block (29) are elastic blocks.

5. The new side cap rotating type blood sampler according to claim 1, wherein: The outer side of the first fixing block (27) is in contact with the outer side of the lower end of the protective cap (15).

6. The new side cap rotating type blood sampler according to claim 1, wherein: The second fixing block (29) is clamped with the lower end of the supporting block (21).

7. The new side cap rotating type blood sampler according to claim 6, wherein: The protective cap (15) is located in the inner part of the movable side cover (26).

8. The new side cap rotary type blood collector according to claim 2, wherein: ​

Citation Information

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