Anti-needling safety needle

Abstract

The invention discloses an anti-needling safety needle which comprises a needle tube, a sleeve piece, an operating handle and a core rod communicated with the needle tube, the needle tube comprises a connecting end, the connecting end is the tail end, connected with the core rod, of the needle tube, and the connecting end is located in the sleeve piece and located on the front side of the operating handle; the front side of the operating handle is the side where a needle head of the needle tube is located, and an amplifying mechanism is arranged on the sleeve piece and used for amplifying an image of the connecting end. Due to the design that the connecting end is arranged in the sleeve piece and located on the front side of the operating handle, it is guaranteed that when an operator samples blood with one hand, the hand cannot shield the connecting end of the needle tube, the operator is allowed to clearly observe the blood return condition in the blood sampling process, real-time monitoring and feedback of operation are improved, and therefore the risk of blood sampling operation is reduced; the visual field amplification effect is provided, an operator can observe the blood return condition more clearly, errors are reduced, and the operation accuracy is improved.

Description

Technical Field

[0001] The invention relates to the field of medical devices, and in particular to an anti-needle puncture safety needle. Background Art

[0002] The existing design of blood collection needles limits the efficiency and accuracy of blood collection operations. For example, a Chinese utility model patent (publication number CN205649700U) discloses an acupuncture device. When the operator operates it with one hand, the hand will block the end of the needle tube, thereby hindering the timely observation of blood reflux during the blood collection process.

[0003] In addition, since the blood collection tube is usually relatively thin, the flow rate of blood during return is small, making the blood return unclear and making it difficult for the operator to accurately observe the blood return situation. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the defects in the prior art and provide an anti-needlestick safety needle.

[0005] The present invention solves the above technical problems through the following technical solutions: a needle-stick-proof safety needle, comprising: a needle tube, a kit, an operating handle and a core rod connected to the needle tube, the needle tube comprising a connecting end, the connecting end being the end where the needle tube is connected to the core rod, the connecting end being located in the kit and on the front side of the operating handle, the front side of the operating handle being the side where the needle head of the needle tube is located, the kit being provided with a magnifying mechanism, the magnifying mechanism being used to magnify the image of the connecting end.

[0006] In this solution, the design of placing the connection end inside the kit and on the front side of the operating handle ensures that the operator's hand will not block the connection end of the needle tube when drawing blood with one hand, allowing the operator to clearly observe the blood return during the blood drawing process, which greatly improves the real-time monitoring and feedback of the operation, thereby reducing the risk of blood drawing operation. By setting a magnifying mechanism on the kit, the magnifying effect of the field of view is further provided, allowing the operator to observe the blood return more clearly, reducing errors and improving the accuracy of the operation.

[0007] Preferably, the needle-stick-proof safety needle further comprises a connecting mechanism, wherein the connecting mechanism is used to connect the kit and the core rod, and the amplifying mechanism is located on a side of the connecting mechanism close to the needle head of the needle tube.

[0008] In this solution, the structural arrangement allows the connection mechanism and the amplification mechanism to be staggered, making full use of the surface position of the kit and making the overall structure more compact.

[0009] Preferably, the magnifying mechanism is a convex lens.

[0010] In this solution, the convex lens is a relatively simple optical element that is easy to manufacture and maintain. It does not require complex electronic or digital technology, so it has the advantages of high reliability and low cost. Moreover, the convex lens provides an immediate magnification effect without waiting for image processing or other technical delays, which facilitates real-time monitoring and immediate feedback of blood return.

[0011] Preferably, a limiting portion is provided on the sleeve, and the limiting portion is a protrusion on the surface of the sleeve.

[0012] In this solution, the raised stopper on the kit provides additional safety protection when the needle is pulled out. When the operator needs to pull out the needle, the raised stopper can stop the operator's hand to prevent the hand from accidentally moving or sliding, thereby reducing the risk of accidental stabbing or other operations.

[0013] Preferably, the limiting portion is located at an end of the kit close to the needle of the needle tube.

[0014] In this solution, the limit part is set at the end of the kit close to the syringe needle, and sufficient space is reserved on the surface of the kit to place the hand, thereby maximizing the use of the space of the kit. When the operator pulls out the needle, it is convenient to place the hand to apply force to the kit, thereby improving the convenience of operation.

[0015] Preferably, the surface of the kit includes a pressing portion, the pressing portion is located on a side of the limiting portion away from the needle head of the needle tube, and the pressing portion is in an inwardly concave arc shape.

[0016] In this solution, the shape of the concave arc-shaped pressing portion is closer to the natural curve of the finger, so that the operator can press the kit more easily, the kit is better stressed, the risk of hand slippage or instability is reduced, and the stability of the operation is improved.

[0017] Preferably, the connecting mechanism, the amplifying mechanism and the limiting portion are distributed in sequence on the kit.

[0018] In this solution, the sequential distribution of the connecting mechanism, the amplifying mechanism and the limiting portion makes the structure of the entire kit more compact, which helps to reduce the overall size and makes it easier to carry and store.

[0019] Preferably, the connecting end of the needle tube is close to the middle position of the core rod.

[0020] In this solution, the needle tube connecting end is close to the middle position of the core rod to prevent the needle tube from being inserted too short, thereby ensuring that the needle tube will not be skewed or deviate from the needle seat during assembly; in addition, preventing the needle tube from being inserted too long can avoid unnecessary material waste and cost increase, which helps to improve the economy of the equipment and reduce manufacturing costs.

[0021] Preferably, the connecting end of the needle tube is sleeved inside the core rod.

[0022] In this solution, the connecting end of the needle tube is sleeved inside the core rod to effectively isolate foreign substances, avoid cross contamination during blood collection, and reduce possible infection or other health risks; in addition, the sleeve connection design provides a more stable connection and reduces the risk of the connecting mechanism loosening or falling off.

[0023] Preferably, the pressing portion at least partially overlaps with the position of the amplifying mechanism on a side away from the needle of the needle tube.

[0024] In this solution, the blood reflux is observed through the magnifying mechanism, and the operator can perform subsequent blood collection and needle removal operations after ensuring blood reflux. The partially overlapping design does not affect the observation, but can make full use of the space of the sleeve, shorten the length of the kit, and make the structure more compact.

[0025] The positive and progressive effect of the present invention is that the design of placing the connection end inside the kit and on the front side of the operating handle ensures that the operator's hand will not block the connection end of the needle tube when drawing blood with one hand, allowing the operator to clearly observe the blood return during the blood drawing process, which greatly improves the real-time monitoring and feedback of the operation, thereby reducing the risk of the blood drawing operation. By arranging a magnifying mechanism on the kit, a magnifying effect of the field of view is further provided, allowing the operator to observe the blood return more clearly, reducing errors and improving the accuracy of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic structural diagram of a needlestick-proof safety needle according to a preferred embodiment of the present invention (I).

[0027] Figure 2 This is a schematic structural diagram of a needlestick-proof safety needle according to a preferred embodiment of the present invention (II).

[0028] Figure 3 Schematic diagram of the structure of the needle stick prevention safety needle according to a preferred embodiment of the present invention (without the kit).

[0029] Figure 4 2 is a cross-sectional view of a needlestick-proof safety needle according to a preferred embodiment of the present invention.

[0030] Figure 5 This is a partial enlarged view of the anti-needlestick safety needle according to a preferred embodiment of the present invention.

[0031] Description of Reference Numerals

[0032] Needle 11

[0033] Connection terminal 111

[0034] Kit 12

[0035] Operating handle 13

[0036] Core rod 14

[0037] Amplification mechanism 15

[0038] Connecting mechanism 16

[0039] Limiting part 17

[0040] Pressing portion 18

[0041] Front side of operating handle A

[0042] Rear side of operating handle B DETAILED DESCRIPTION

[0043] The present invention is further described below by way of examples, but the present invention is not limited to the scope of the examples.

[0044] like Figure 1-Figure 5 As shown, this embodiment discloses an anti-needlestick safety needle, which includes: a needle tube 11, a kit 12, an operating handle 13 and a core rod 14 connected to the needle tube 11, wherein the needle tube 11 includes a connecting end 111, the connecting end 111 is the end where the needle tube 11 is connected to the core rod 14, the connecting end 111 is located in the kit 12 and on the front side A of the operating handle, the front side of the operating handle 13 is the side where the needle head of the needle tube 11 is located, and the kit 12 is provided with a magnifying mechanism 15, which is used to magnify the image of the connecting end 111.

[0045] During the blood collection process, when the operator operates with one hand, he usually holds the two wings of the operating handle 13 with his hand facing downward. Since the wings are made of soft material, they will deform when held to facilitate the operator to hold tightly. If the connecting end 111 of the needle tube 11 is located on the rear side B of the operating handle 13, the operator's hand will block the connecting end 111. The operator needs to adjust the hand posture to observe whether there is blood returning from the connecting end 111 of the needle tube 11, which will lead to untimely observation and increase the operation steps. In this solution, the design of placing the connecting end 111 in the kit 12 and on the front side of the operating handle 13 ensures that the operator's hand will not block the connecting end 111 of the needle tube 11 when the operator collects blood with one hand, allowing the operator to clearly observe the blood returning during the blood collection process, which greatly improves the real-time monitoring and feedback of the operation, thereby reducing the risk of the blood collection operation. In addition, by providing a magnifying mechanism 15 on the kit 12, a magnifying effect of the field of view is further provided, so that the operator can observe the blood returning more clearly, reduce errors and improve the accuracy of the operation.

[0046] In addition, the connecting end 111 of the needle tube 11 is arranged on the front side of the operating handle 13, so that the length of the needle tube 11 can be shortened while ensuring the overall length of the blood collection needle; moreover, the blood return situation can be observed more timely, which is convenient for subsequent operations and the blood collection efficiency is higher.

[0047] Specifically, the interior of the core rod 14 includes a channel, and the needle tube 11 is installed in the channel; the magnifying mechanism 15 is a convex lens. The convex lens is a relatively simple optical element, which is easy to manufacture and maintain. It does not require complex electronic or digital technology, and therefore has the advantages of high reliability and low cost. Moreover, the convex lens provides an instant magnification effect, without waiting for image processing or other technical delays, which facilitates real-time monitoring and instant feedback of blood return. Of course, in other alternative embodiments, the magnifying mechanism 15 can also use digital magnification technology, such as a camera and a liquid crystal display screen. By magnifying the image of the connecting end 111 of the needle tube 11 and displaying it on the screen, the operator can observe the details of the operation process more clearly.

[0048] Specifically, Figure 1-Figure 5 As shown, the magnifying mechanism 15 corresponds to the connection end 111 of the needle tube 11 in the vertical direction, and the connection end 111 of the needle tube 11 is slightly offset to the front side of the operating handle 13 relative to the magnifying mechanism 15 to facilitate observation by the operator.

[0049] like Figure 1 As shown, the needle stick prevention safety needle includes a connecting mechanism 16, which is used to connect the sleeve 12 and the core rod 14, and the amplifying mechanism 15 is located on the side of the connecting mechanism 16 close to the needle head of the needle tube 11. The positions of the connecting mechanism 16 and the amplifying mechanism 15 are staggered to avoid interference between the two, and the position of the surface of the sleeve 12 is fully utilized to make the overall structure more compact.

[0050] Specifically, the sleeve 12 is detachably connected to the core rod 14 through a connecting portion, and the connecting portion is a section of a sliding sleeve. Of course, in other alternative embodiments, other detachable connection forms may also be used, such as a snap connection, etc. After the blood collection is completed, the operator presses the sleeve 12 and applies a force to the rear side of the operating handle 13 to separate the core rod 14 from the sleeve 12, thereby pulling out the needle tube 11.

[0051] like Figure 1 and Figure 2 As shown, the sleeve 12 is provided with a stopper 17, which is a protrusion on the surface of the sleeve 12. The raised stopper 17 on the sleeve 12 plays an additional safety protection role when the needle is pulled out. When the operator needs to pull out the needle, the raised stopper 17 can limit the operator's hand to prevent the hand from accidentally moving or sliding, thereby reducing the risk of accidental stabbing or other operations.

[0052] like Figure 1 and Figure 2 As shown, the stopper 17 is located at one end of the kit 12 close to the needle of the needle tube 11. The stopper 17 is arranged at one end of the kit 12 close to the needle of the needle tube 11, and sufficient space is reserved on the surface of the kit 12 to place the hand, which makes the maximum use of the space of the kit 12. When the operator pulls out the needle, it is convenient to place the hand to apply force to the kit 12, thereby improving the convenience of operation. Of course, in other alternative embodiments, the stopper 17 can also be arranged at other positions on the kit 12.

[0053] like Figure 1 and Figure 2 As shown, the surface of the sleeve 12 includes a pressing portion 18, which is located on the side of the limiting portion 17 away from the needle head of the needle tube 11, and is in an arc shape that is concave inward. The concave arc-shaped pressing portion 18 is closer to the natural curve of the finger, so that the operator can press the sleeve 12 more easily, the sleeve 12 is better stressed, the risk of hand slippage or instability is reduced, and the stability of the operation is improved.

[0054] like Figure 1 and Figure 2 As shown, the connecting mechanism 16, the amplifying mechanism 15 and the limiting portion 17 are sequentially distributed on the kit 12. The sequential distribution of the connecting mechanism 16, the amplifying mechanism 15 and the limiting portion 17 makes the structure of the entire kit 12 more compact, helps to reduce the overall size, and makes it easier to carry and store. Of course, in other alternative embodiments, the connecting mechanism 16, the amplifying mechanism 15 and the limiting portion 17 can also be distributed in other orders.

[0055] like Figure 4 and Figure 5 As shown, the connection end 111 of the needle tube 11 is close to the middle position of the core rod 14. The connection end 111 of the needle tube 11 is close to the middle position of the core rod 14, which prevents the needle tube 11 from being inserted too short and ensures that the needle tube 11 will not be skewed or deviate from the needle seat during the assembly process; in addition, the needle tube 11 is prevented from being inserted too long, which avoids unnecessary material waste and cost increase, helps to improve the economy of the equipment and reduce manufacturing costs.

[0056] like Figure 4 and Figure 5 As shown, the connection end 111 of the needle tube 11 is sleeved inside the core rod 14. Sleeving the connection end 111 of the needle tube 11 inside the core rod 14 effectively isolates foreign substances, avoids cross contamination during blood collection, and reduces possible infection or other health risks; in addition, the sleeve connection design provides a more stable connection, reducing the risk of the connection mechanism 16 being loose or falling off. Of course, in other alternative embodiments, the core rod 14 and the needle tube 11 can also be connected in other ways, such as bonding.

[0057] like Figure 1-Figure 5 As shown, the pressing portion 18 at least partially overlaps with the position of the magnifying mechanism 15 on the side away from the needle of the needle tube 11. The operator can observe the blood reflux through the magnifying mechanism 15, and then perform subsequent blood collection and pull out the needle tube 11 after ensuring the blood reflux. The partially overlapping design does not affect the observation, and can make full use of the space of the sleeve, shorten the length of the kit 12, and make the structure more compact.

[0058] Specifically, the pressing portion 18 is formed by an inwardly recessed portion of the sleeve 12 , and the amplifying mechanism 15 is located in the inwardly recessed portion of the sleeve 12 .

[0059] Although the specific embodiments of the present invention are described above, it should be understood by those skilled in the art that this is only for illustration and the protection scope of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, but these changes and modifications all fall within the protection scope of the present invention.

Claims

1. A needle-stick-proof safety needle, include: A needle tube, a kit, an operating handle and a core rod connected to the needle tube, characterized in that the needle tube includes a connecting end, which is the end where the needle tube is connected to the core rod, and the connecting end is located in the kit and on the front side of the operating handle, and the front side of the operating handle is the side where the needle head of the needle tube is located, and the kit is provided with a magnifying mechanism, which is used to magnify the image of the connecting end.

2. The needle-stick-proof safety needle according to claim 1, It is characterized in that The needle-puncture-proof safety needle further comprises a connecting mechanism, which is used to connect the kit and the core rod, and the amplifying mechanism is located on a side of the connecting mechanism close to the needle head of the needle tube.

3. The needle-stick-proof safety needle according to claim 1 or 2, It is characterized in that The magnifying mechanism is a convex lens.

4. The needle-stick-proof safety needle according to claim 2, It is characterized in that The sleeve is provided with a limiting portion, and the limiting portion is a protrusion on the surface of the sleeve.

5. The needle-stick-proof safety needle according to claim 4, It is characterized in that The limiting portion is located at one end of the kit close to the needle of the needle tube.

6. The needle-stick-proof safety needle according to claim 4 or 5, It is characterized in that The surface of the kit includes a pressing portion, which is located on a side of the limiting portion away from the needle head of the needle tube, and is in an inwardly concave arc shape.

7. The needle-stick-proof safety needle according to claim 4 or 5, It is characterized in that The connecting mechanism, the amplifying mechanism and the limiting portion are sequentially distributed on the kit.

8. The needle-stick-proof safety needle according to claim 1, It is characterized in that The connecting end of the needle tube is close to the middle position of the core rod.

9. The needle-stick-proof safety needle according to claim 1, It is characterized in that The connecting end of the needle tube is sleeved inside the core rod.

10. The needle-stick-proof safety needle according to claim 6, It is characterized in that The pressing portion at least partially overlaps with the position of the amplifying mechanism on a side away from the needle of the needle tube.

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