Blood sampling robot micro electric needle clamp

Abstract

The utility model provides a kind of blood sampling robot miniature electric needle clamp, it is related to medical instrument technical field, this needle clamp has the fingertip of adapting blood sampling needle shape, the opening and closing of fingertip can be automatically realized by motor drive connecting rod mechanism, stroke is controllable, overall weight is light, small, compact structure, avoid the dependence on gas source, when fault occurs, power-off can also be manually released to avoid the occurrence of medical accident, fingertip special structure design makes clamping more firm, the needle handle of skew puncture needle is not clamped, ensure puncture accuracy, it can be applied to the reliable clamping of automatic blood sampling robot blood sampling needle.

Description

Technical Field

[0001] This utility model relates to the field of medical robot technology, and more specifically, to a miniature electric needle clamp for a blood collection robot. Background Technology

[0002] Vascular puncture is a clinical procedure used for blood draws, laboratory tests, blood transfusions, intravenous infusions, and catheter insertion for angiography. It can also be used for interventional treatments. Common vascular punctures include femoral artery puncture, femoral vein puncture, subclavian artery and vein puncture, and radial artery puncture. Currently, vascular punctures are typically performed manually, which relies entirely on experience. In hospitals and blood collection centers, the large number of patients requiring punctures necessitates long working hours for medical staff. This repetitive nature of vascular punctures keeps staff in a state of high concentration for extended periods, easily leading to fatigue and unintended medical errors. The procedure suffers from several pain points, including poor visibility, inaccurate punctures, high workload and fatigue for nurses, low efficiency, long waiting times, and a higher risk of doctor-patient conflicts.

[0003] Blood collection robots can perform all actions in the entire blood collection process (pulse pressure, disinfection, puncture and blood collection, pressure to stop bleeding, shaking of blood collection tubes, and recycling of blood collection consumables, etc.). However, in the process of automatic identification and grasping of blood collection needles, a needle clamping device is required to accurately grasp the blood collection needle. This needle clamping device is required to be small in size and light in weight (tens of grams) to meet the requirements of accurate and fast automatic puncture. However, the weight and size of some commonly used electric grippers are difficult to meet the requirements.

[0004] In some currently used automated blood collection robots, this gripper is a pneumatic gripper. The gripper's weight and size meet the requirements, but the overall operation relies on an air source and other pneumatic components, making the system complex and relatively large in size and weight.

[0005] In some automated blood collection robot electric gripper solutions, the clamping and closing of the needle clamp is controlled by switching the electromagnet's attraction force on and off, or by pushing and pulling the electromagnet. However, this approach has two drawbacks: firstly, the clamping stroke and force are difficult to control, and secondly, the clamping accuracy is difficult to guarantee.

[0006] In some other automated blood collection robot electric gripper designs, the gripping finger and fingertip are integrated into one unit. If the motor loses power or other malfunctions, it cannot be manually opened, posing a safety risk. Summary of the Invention

[0007] This invention provides a miniature electric needle clamp for a blood collection robot, which solves the problems mentioned in the background art.

[0008] To address the aforementioned technical problems, this utility model discloses a miniature electric needle clamp for a blood collection robot. This needle clamp has fingertips adapted to the shape of the blood collection needle. The fingertips can automatically open and close via a motor-driven linkage mechanism, with controllable stroke. It is lightweight, compact, and avoids dependence on an air source. In case of malfunction, it can also be manually released by disconnecting the power to prevent medical accidents. The special structure design of the fingertips makes the clamping more secure and prevents the needle handle from being misaligned, ensuring puncture accuracy. It can be applied to the reliable clamping of blood collection needles in automatic blood collection robots.

[0009] Compared with the prior art, this utility model provides a miniature electric needle clamp for a blood collection robot, which has the following beneficial effects:

[0010] This utility model provides a miniature electric needle clamp for a blood collection robot. It adopts a compact design, with a small overall size and light weight (tens of grams). Therefore, it has a small moment of inertia and has little impact on the end-effector (precision and speed). It meets the requirements of the end-effector of the blood collection robot and can realize the rapid and accurate puncture action of the end-effector.

[0011] This invention provides a miniature electric needle clamp for a blood collection robot. The fingertip can be automatically opened and closed by a motor-driven linkage mechanism. It does not rely on an air source, has a simple overall structure, and is easy to install, use, and maintain.

[0012] This utility model provides a miniature electric needle clamp for a blood collection robot. By configuring front and rear limit sensors to control the start and stop of the motor, the clamping and closing of the gripper can be controlled. At the same time, the installation position of the front and rear limit sensors can be adjusted according to different situations, thereby indirectly controlling the stroke of the clamping and closing, and further controlling the tightness of the clamping.

[0013] This invention provides a miniature electric needle clamp for a blood collection robot. The clamping fingers and fingertips are detachable, allowing for manual release in case of motor power failure or other malfunctions, thus preventing medical accidents.

[0014] This utility model provides a miniature electric needle clamp for a blood collection robot. The fingertip is designed with a groove that matches the shape of the blood collection needle, which can accurately clamp and position the blood collection needle. The rubber coating on the fingertip has a cushioning effect, reduces impact, prevents motor jamming, and improves the reliability and service life of the needle clamp. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 The isometric projection of this utility model Figure 1 ;

[0017] Figure 2 This is a top view of the present invention;

[0018] Figure 3 This is a front view of the present invention;

[0019] Figure 4 This is a BB cross-sectional view of the present invention;

[0020] Figure 5 This is a cross-sectional view (AA) of the present invention;

[0021] Figure 6 The isometric projection of this utility model Figure 2 ;

[0022] In the picture:

[0023] 1. Needle clip for right fingertip; 101. Needle clip for right fingertip arc groove; 102. Needle clip for right fingertip U-shaped groove; 2. Needle clip for right finger; 3. Right connecting rod; 4. Needle clip mounting base; 5. Pull rod; 6. Needle clip housing; 7. Screw; 8. Threaded baffle; 9. Reduction gearbox; 10. DC motor; 11. Rear limit sensor; 12. Front limit sensor; 13. Pin; 14. Left connecting rod; 15. Needle clip for left finger; 16. Needle clip for left fingertip; 17. Fingert coating; 1701. Fingert coating arc groove; 18. Blood collection needle; Detailed Implementation

[0024] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0025] Furthermore, in this utility model, the use of terms such as "first" and "second" is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit the utility model. They are merely used to distinguish components or operations described using the same technical terms, and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions and features of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, such a combination should be considered non-existent and not within the scope of protection claimed by this utility model.

[0026] Example 1

[0027] An embodiment of this utility model provides a miniature electric needle clamp for a blood collection robot, such as... Figure 1-6As shown, the motor 10 drives the screw 7 to rotate through the reduction gearbox 9. The screw 7 has an external thread structure, and the end of the pull rod 5 connected to the screw 7 has an internal thread structure, forming a helical pair with the screw 7. The rotation of the screw 7 drives the pull rod 5 to move back and forth. The other end of the pull rod 5 is connected to the right connecting rod 3 and the left connecting rod 14 through the pin 13. The back and forth movement of the pull rod 5 drives the right connecting rod 3 and the left connecting rod 14 to rotate. The rotation of the right connecting rod 3 and the left connecting rod 14 drives the needle clamp right finger 2 and the needle clamp left finger 15 to open or close. The opening or closing of the needle clamp right finger 2 and the needle clamp left finger 15 drives the needle clamp right fingertip 1 and the needle clamp left fingertip 16 to open or close, thereby realizing the clamping or closing of the entire needle clamp.

[0028] The threaded baffle 8 also has an internal thread structure. When the screw 7 rotates, it drives the threaded baffle 8 to move back and forth. The back and forth movement of the threaded baffle 8 will trigger the rear limit sensor 11 and the front limit sensor 12 to start and stop the motor 10, thereby controlling the opening and closing stroke of the needle clamp. By adjusting the installation position of the rear limit sensor 11 and the front limit sensor 12, the size of the opening and closing stroke of the needle clamp can be controlled.

[0029] The needle clip right fingertip 1 and needle clip right finger 2 are detachably connected, and the needle clip left fingertip 16 and needle clip left finger 15 are also detachably connected. In case of motor power failure or other malfunctions, the blood collection needle can be manually disassembled and released to avoid medical accidents.

[0030] The right fingertip 1 of the needle clip is designed with an arc groove 101 and a U-shaped groove 102 that match the shape of the blood collection needle. The fingertip rubber coating 17 is designed with an arc groove 1701 that matches the shape of the blood collection needle. This can achieve accurate clamping and positioning of the blood collection needle. The fingertip rubber coating has a buffering effect, reduces impact, prevents motor jamming, and improves the reliability and service life of the needle clip.

[0031] The working principle and beneficial effects of the above technical solution are as follows:

[0032] This utility model provides a miniature electric needle clamp for a blood collection robot. It adopts a compact design, with a small overall size and light weight (tens of grams). Therefore, it has a small moment of inertia and has little impact on the end-effector (precision and speed). It meets the requirements of the end-effector of the blood collection robot and can realize the rapid and accurate puncture action of the end-effector.

[0033] This invention provides a miniature electric needle clamp for a blood collection robot. The fingertip can be automatically opened and closed by a motor-driven linkage mechanism. It does not rely on an air source, has a simple overall structure, and is easy to install, use, and maintain.

[0034] This utility model provides a miniature electric needle clamp for a blood collection robot. By configuring front and rear limit sensors to control the start and stop of the motor, the clamping and closing of the gripper can be controlled. At the same time, the installation position of the front and rear limit sensors can be adjusted according to different situations, thereby indirectly controlling the stroke of the clamping and closing, and further controlling the tightness of the clamping.

[0035] This invention provides a miniature electric needle clamp for a blood collection robot. The clamping fingers and fingertips are detachable, allowing for manual release in case of motor power failure or other malfunctions, thus preventing medical accidents.

[0036] This utility model provides a miniature electric needle clamp for a blood collection robot. The fingertip is designed with a groove that matches the shape of the blood collection needle, which can accurately clamp and position the blood collection needle. The rubber coating on the fingertip has a cushioning effect, reduces impact, prevents motor jamming, and improves the reliability and service life of the needle clamp.

[0037] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. If these modifications and variations fall within the scope of the claims of this utility model and their equivalents, then this utility model also intends to include these modifications and variations.

Claims

1. A blood sampling robot micro motorized needle holder, characterized by, The motor (10) drives the screw (7) to rotate through the reduction gearbox (9). The screw (7) has an external thread structure. The end of the pull rod (5) connected to the screw (7) has an internal thread structure and forms a helical pair with the screw (7). The rotation of the screw (7) drives the pull rod (5) to move back and forth. The other end of the pull rod (5) is connected to the right connecting rod (3) and the left connecting rod (14) through the pin (13). The back and forth movement of the pull rod (5) drives the right connecting rod (3) and the left connecting rod (14) to rotate. The rotation of the right connecting rod (3) and the left connecting rod (14) drives the right finger (2) and the left finger (15) of the needle clamp to open or close. The opening or closing of the right finger (2) and the left finger (15) of the needle clamp drives the right fingertip (1) and the left fingertip (16) of the needle clamp to open or close, thereby realizing the clamping or closing of the entire needle clamp.

2. The blood sampling robot micro electric needle holder according to claim 1, wherein The threaded baffle (8) has an internal thread structure. When the screw (7) rotates, it also drives the threaded baffle (8) to move back and forth. The back and forth movement of the threaded baffle (8) will trigger the rear limit sensor (11) and the front limit sensor (12) to start and stop the motor (10), thereby controlling the opening and closing stroke of the needle clamp. By adjusting the installation position of the rear limit sensor (11) and the front limit sensor (12), the size of the opening and closing stroke of the needle clamp can be controlled.

3. The blood sampling robot micro electric needle holder according to claim 1, wherein The needle clip right fingertip (1) and the needle clip right finger (2) are detachably connected, and the needle clip left fingertip (16) and the needle clip left finger (15) are also detachably connected. When the motor is powered off or there is another malfunction, the blood collection needle can be manually disassembled and released to avoid medical accidents.

4. The blood sampling robot micro electric needle holder according to claim 1, wherein, The right fingertip of the needle clip (1) is designed with an arc groove (101) and a U-shaped groove (102) that match the shape of the blood collection needle (18). The fingertip rubber coating (17) is designed with an arc groove (1701) that matches the shape of the blood collection needle (18). This allows for accurate clamping and positioning of the blood collection needle (18). The fingertip rubber coating (17) has a buffering effect, reducing impact, preventing motor jamming, and improving the reliability and service life of the needle clip.

5. A blood sampling robot micro motorized needle holder, characterized by, Including the miniature electric needle clamp for blood collection robots as described in any one of claims 1-4.

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