Radial artery blood sampling device

By designing a simplified radial artery blood collection device, including a base, bracket, and strap, the problem of complex operation in existing technologies has been solved, resulting in improved ease of operation and comfort, adaptability to different arm sizes, and convenient cleaning and device storage.

CN223914134UActive Publication Date: 2026-02-17THE FIRST HOSPITAL OF CHINA MEDICIAL UNIV
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Patent Information

Application Number
CN202422569288.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2026-02-17
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

Existing radial artery blood collection devices require cumbersome unlocking and locking of the gripping rod during operation, resulting in inconvenience and complicated operation procedures.

Method used

A radial artery blood collection device has been designed, including a base, a bracket, a soft pad, and a strap. The bracket is equipped with an arm rest, a palm rest, and a handle. The handle has a pad on the outside, and the soft pad has side pads and a support pad. The base is detachable for easy installation, disassembly, and cleaning. The top side of the base has a groove for placing a tray.

Benefits of technology

It simplifies the operation process, improves the comfort and adaptability of use, is suitable for arms of different sizes, and facilitates cleaning and storage of instruments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medical instruments, and provides a radial artery blood sampling device which comprises a base, a bracket and a bandage, the bracket comprises an arm support, a palm support and a grab handle, and the arm support is fixedly arranged on the base; one end of the palm support and one end of the arm support are fixedly connected and continuously arranged, and the palm support and the arm support are obliquely arranged; the palm rest and the arm rest are arranged on the base, the grab handles are arranged above the palm rest at intervals, at least one end of each grab handle is fixedly connected with the palm rest, the binding band is arranged above the arm rest, and the two ends of each binding band are detachably and fixedly connected with the base. The arm supporting device is simple in structure and convenient to operate, the side pads and the supporting pads are arranged on the two sides of the bottom pad, the side pads play a role in supporting the two sides of the arms, the use comfort is improved, the supporting height of the side pads can be adjusted, and the arm supporting device is suitable for patients with arms of different thicknesses.
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Description

Technical Field

[0001] This utility model relates to the field of medical devices, and in particular to a radial artery blood collection device. Background Technology

[0002] Radial artery blood sampling is a clinical procedure used to collect arterial blood samples for blood gas analysis or other laboratory tests. This technique is particularly important in intensive care units (ICUs), emergency rooms, and other medical settings where monitoring patients' blood gas levels and acid-base balance is required.

[0003] A utility model patent with publication number CN219070326U discloses an arterial blood collection pillow, including a pillow body and a connecting belt body with an automatic winding and tightening function. An arm groove is formed on the top of the pillow body directly below the connecting belt body, and a wrist bending opening is formed on the top of the pillow body away from the arm groove. Two fixing posts are symmetrically fixed on the front of the pillow body, located on the left and right sides of the wrist bending opening, respectively. This utility model's arterial blood collection pillow includes a gripping rod, a fixing pin hole, a U-shaped insert, a fixing support ring, a limiting piece, a fixing spring, a ring sleeve, an inclined surface, and a movable pin. Through the coordinated use of these components, the patient has a gripping part during blood collection. When the patient grips the gripping rod, the hand is in a clenched position, and the fingers exert force, reducing or eliminating discomfort in the patient's wrist, thereby improving the patient's blood collection comfort.

[0004] In the above technical solution, in order to keep the patient's palm in the blood collection posture during arterial blood collection, a bidirectional rotating gripping rod is set on the pillow body, so that the patient has a part that can be gripped by the hand during the blood collection process. However, in use, the gripping rod needs to be unlocked and raised first, the palm placed in it, and then lowered and locked, which is a rather cumbersome operation process. Utility Model Content

[0005] In view of this, the present invention proposes a radial artery blood collection device that simplifies the operation process and is convenient to use.

[0006] The technical solution of this utility model is achieved as follows: This utility model provides a radial artery blood collection device, including a base, a bracket, and a strap, wherein,

[0007] The bracket includes an arm rest, a palm rest, and a handle. The arm rest is fixedly mounted on the base. One end of the palm rest is fixedly connected to one end of the arm rest and is continuously mounted, and the two are inclined. The handle is spaced above the palm rest, and at least one end of the handle is fixedly connected to the palm rest.

[0008] The strap is positioned above the armrest, and its two ends are detachably and fixedly connected to the base.

[0009] More preferably, the bracket further includes a limiting seat, which is fixedly disposed on the bottom side of the arm support;

[0010] The base includes a first seat and a second seat, the first seat and the second seat are detachably fixedly connected, and the limiting seat is abutted and fixed between the first seat and the second seat.

[0011] Based on the above technical solutions, preferably, the first seat and the second seat form a fixing groove;

[0012] The limiting seat is snapped and fixed in the fixing groove.

[0013] More preferably, the cross-sections of both the fixing groove and the limiting seat are dovetail-shaped.

[0014] Based on the above technical solutions, preferably, a soft pad is also included, which is fixedly disposed on the top side of the armrest.

[0015] More preferably, the cushion includes a bottom cushion and two side cushions, wherein,

[0016] The bottom pad is fixedly installed on the top side of the arm support;

[0017] The side pads are disposed on the top side of the bottom pad, and the two side pads are symmetrically arranged about the center line of the bottom pad.

[0018] More preferably, one side of the side pad is rotatably connected to the bottom pad;

[0019] The cushion also includes two support pads and Velcro, wherein,

[0020] One side of the support pad is rotatably disposed on the top side of the bottom pad, and the two support pads are respectively located on the side of the two side pads away from the center line of the bottom pad;

[0021] The Velcro straps are fixedly installed on the outer side of the side pad and the outer side of the support pad, and the side pad and the support pad are fixedly connected by the Velcro straps.

[0022] More preferably, the padding also includes a cover pad, which is fixed to the outside of the handle.

[0023] Based on the above technical solutions, preferably, it also includes a tray, wherein a groove is provided on the top side of the base, and the tray is snapped and fixed in the groove.

[0024] More preferably, the base further includes a first bracket and a second bracket, and the strap includes a fixing strap and a hook and loop strap, wherein,

[0025] The first bracket and the second bracket are respectively fixedly mounted on the first base and the second base;

[0026] The hook and loop fastener is fixedly mounted on the fixing strap;

[0027] One end of the fixing strap is fixedly mounted on the first bracket, and the other end passes around the second bracket and is fixed in the middle position of the fixing strap by the hook and loop fastener.

[0028] The radial artery blood collection device of this utility model has the following advantages over the prior art:

[0029] (1) By setting the handle at intervals above the palm rest and setting the pad on the outside of the handle, it is easy to hold and does not need to be fixed when holding, which makes it convenient to operate and improves the comfort when holding.

[0030] (2) By setting side pads and support pads on both sides of the base pad, the side pads support the sides of the arm, improving the comfort during use, while the support pads support the side pads and are used to adjust the support height of the side pads, making it suitable for patients with arms of different thicknesses.

[0031] (3) The base can be disassembled through the detachable structure, which facilitates the installation and disassembly of the bracket and the overall cleaning and disinfection. The top side of the base has a groove and a tray, which facilitates the placement and storage of medical devices and makes them easy to use. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0033] Figure 1 This is a perspective view of a radial artery blood collection device according to the present invention;

[0034] Figure 2 This is an exploded view of the base of a radial artery blood collection device according to this utility model;

[0035] Figure 3 This is a perspective view of the bracket in a radial artery blood collection device according to the present invention;

[0036] Figure 4 This is a perspective view of the soft pad in a radial artery blood collection device according to the present invention;

[0037] Figure 5This is an enlarged view of the strap in a radial artery blood collection device according to this utility model.

[0038] The components include: 1. Base; 11. First seat body; 12. Second seat body; 13. First bracket; 14. Second bracket; 101. Fixing groove; 102. Embedded groove; 2. Bracket; 21. Arm rest; 22. Palm rest; 23. Handle; 24. Limiting seat; 3. Soft pad; 31. Bottom pad; 32. Side pad; 33. Support pad; 34. Velcro; 35. Cover pad; 4. Strap; 41. Fixing strap; 42. Hook and loop fastener; 5. Tray. Detailed Implementation

[0039] The technical solutions of this utility model will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0040] like Figure 1-5 As shown, the radial artery blood collection device of this utility model includes a base 1, a bracket 2, a soft pad 3, and a strap 4.

[0041] The base 1 is used to support the bracket 2. The base 1 includes a first seat 11 and a second seat 12. The first seat 11 and the second seat 12 are detachably fixedly connected. The base 1 can be disassembled to facilitate the installation and disassembly of the bracket 2 and to facilitate overall cleaning and disinfection. The base 1 also includes a first bracket 13 and a second bracket 14. The first bracket 13 and the second bracket 14 are respectively fixedly installed on the first seat 11 and the second seat 12 for fixing and wrapping the strap 4.

[0042] In order to fix the bracket 2, a groove is provided on the upper part of the opposite side of the first seat 11 and the second seat 12 to form a fixing groove 101. When the first seat 11 and the second seat 12 are closed, the two grooves form a fixing groove 101, which engages with the bracket 2 to fix the bracket 2.

[0043] The bracket 2 is used to support the patient's arm and palm. The bracket 2 includes an arm support 21, a palm support 22, and a handle 23. The arm support 21 is fixedly mounted on the base 1. One end of the palm support 22 is fixedly connected to one end of the arm support 21 and is continuously mounted. The two are inclined, and the angle between them is the commonly used angle of the palm posture when collecting blood from the artery. When the palm and arm are in contact with the palm support 22 and the arm support 21 respectively, the palm faces downward and the palm is bent downward, so that the patient's wrist is straight, which facilitates the blood collection operation.

[0044] like Figure 3As shown, the handle 23 is spaced above the palm support 22, and at least one end of it is fixedly connected to the palm support 22 for easy gripping. No additional fixation is required when gripping, making operation convenient. In addition, the distance between the handle 23 and the palm support 22 should be slightly larger than the average outer diameter of the patient's arm and palm to improve the adaptability of this blood collection device.

[0045] like Figure 3 As shown, the bracket 2 also includes a limiting seat 24, which is fixedly installed on the bottom side of the arm support 21. The cross-sections of the fixing groove 101 and the limiting seat 24 are both dovetail-shaped. The limiting seat 24 is snapped into the fixing groove 101 between the first seat body 11 and the second seat body 12, which limits the limiting seat 24 and prevents it from falling off.

[0046] The soft pad 3 is used to support the arm. The soft pad 3 is fixedly installed on the top side of the arm support 21 and is in direct contact with the arm. The soft pad 3 includes a bottom pad 31 and two side pads 32. The bottom pad 31 is fixedly installed on the top side of the arm support 21, and the side pads 32 are installed on the top side of the bottom pad 31. One side of the side pad 32 is rotatably connected to the bottom pad 31. The two side pads 32 are symmetrically arranged about the center line of the bottom pad 31. The side pads 32 provide support for both sides of the arm, improving the comfort during use and limiting the position of the patient's arm.

[0047] The soft pad 3 also includes two support pads 33 and Velcro 34. One side of the support pad 33 is rotatably mounted on the top side of the base pad 31. The two support pads 33 are respectively located on the side of the two side pads 32 away from the center line of the base pad 31. The Velcro 34 is fixedly mounted on the outer side of the side pads 32 and the outer side of the support pads 33, and the side pads 32 and the support pads 33 are fixedly connected by the Velcro 34. The support pads 33 provide support for the side pads 32. By using the rotatable connection between the two and the arm support 21 and the fixed connection between the two, the support height of the side pads 32 can be adjusted, which is suitable for patients with arms of different thicknesses.

[0048] The pad 3 also includes a padding 35, which is fixed to the outside of the handle 23 to improve the patient's comfort when holding the handle 23.

[0049] like Figure 2 As shown, a groove 102 is provided on the top side of the base 1, and the tray 5 is snapped into the groove 102 for easy placement and storage of medical devices and convenient use.

[0050] The strap 4 is used to fix the arm. The strap 4 is set above the arm support 21, and its two ends are detachably fixed to the base 1.

[0051] Specifically, the strap 4 includes a fixing strap 41 and a hook and loop fastener 42, with the hook and loop fastener 42 fixedly mounted on the fixing strap 41; one end of the fixing strap 41 is fixedly mounted on the first bracket 13, and the other end passes around the second bracket 14 and is fixed in the middle position of the fixing strap 41 by the hook and loop fastener 42.

[0052] The method of using the radial artery blood collection device of this utility model is as follows:

[0053] First, tear off the hook and loop fastener 42 to loosen the fixing strap 41. Then, insert your arm between the fixing strap 41 and the base 1, and pass it out between the handle 23 and the base 1. Keep your arm close to the soft pad 3 on the arm rest 21. The sides of your arm are supported by the side pads 32 (if your arm is thin, you can fold the support pad 33 inward so that the side pad 32 and the support pad 33 are fixed by the Velcro 34, raising the side pad 32 to provide better support for your arm). With your palm facing up, the outside of your palm is close to the palm rest 22, and your fingers are bent inward to grip the outer edge of the handle 23. The handle 23 has a pad 35 on the outside to improve the comfort of gripping. Then, tighten the fixing strap 41 and fix it with the hook and loop fastener 42. At this time, your palm is bent and your wrist is straight. Medical staff can place the tray 5 containing medical instruments into the groove 102 on the base 1 and draw blood from the patient using blood collection instruments.

[0054] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A radial artery blood collection device, characterized in that: Includes a base (1), a bracket (2), and a strap (4), wherein, The bracket (2) includes an armrest (21), a palm rest (22), and a handle (23). The armrest (21) is fixedly mounted on the base (1). One end of the palm rest (22) is fixedly connected to one end of the armrest (21) and continuously mounted, and the two are mounted at an angle. The handle (23) is spaced above the palm rest (22), and at least one end of the handle is fixedly connected to the palm rest (22). The strap (4) is positioned above the armrest (21), and its two ends are detachably and fixedly connected to the base (1); The bracket (2) also includes a limiting seat (24), which is fixedly disposed on the bottom side of the arm support (21); The base (1) includes a first seat (11) and a second seat (12), the first seat (11) and the second seat (12) are detachably fixedly connected, and the limiting seat (24) is abutted and fixed between the first seat (11) and the second seat (12). The first seat (11) and the second seat (12) enclose each other to form a fixing groove (101); The limiting seat (24) is snapped and fixed in the fixing groove (101); It also includes a soft pad (3), which is fixedly disposed on the top side of the armrest (21); The cushion (3) includes a bottom cushion (31) and two side cushions (32), wherein, The bottom pad (31) is fixedly installed on the top side of the arm support (21); The side pads (32) are disposed on the top side of the bottom pad (31), and the two side pads (32) are symmetrically arranged about the center line of the bottom pad (31); It also includes a tray (5), and the top side of the base (1) is provided with a groove (102), and the tray (5) is snapped into the groove (102).

2. The radial artery blood collection device as described in claim 1, characterized in that: Both the fixed groove (101) and the limiting seat (24) have dovetail-shaped cross sections.

3. The radial artery blood collection device as described in claim 1, characterized in that: One side of the side pad (32) is rotatably connected to the bottom pad (31); The cushion (3) also includes two support pads (33) and Velcro (34), wherein, One side of the support pad (33) is rotatably disposed on the top side of the bottom pad (31), and the two support pads (33) are respectively located on the side of the two side pads (32) away from the center line of the bottom pad (31); The Velcro (34) is fixedly disposed on the outside of the side pad (32) and the outside of the support pad (33), and the side pad (32) and the support pad (33) are fixedly connected by the Velcro (34).

4. The radial artery blood collection device as described in claim 3, characterized in that: The cushion (3) also includes a padding (35) which is fixed to the outside of the handle (23).

5. The radial artery blood collection device as described in claim 1, characterized in that: The base (1) further includes a first bracket (13) and a second bracket (14), and the strap (4) includes a fixing strap (41) and a hook and loop strap (42), wherein, The first bracket (13) and the second bracket (14) are respectively fixedly mounted on the first base (11) and the second base (12); The hook and loop fastener (42) is fixedly mounted on the fastening strap (41); One end of the fixing strap (41) is fixedly mounted on the first bracket (13), and the other end passes around the second bracket (14) and is fixed in the middle position of the fixing strap (41) by the hook and loop fastener (42).

Citation Information

Patent Citations

  • Artery blood sampling pillow

    CN219070326U