Infusion set needle

Abstract

The present application provides a kind of infusion needle provided in the embodiment, including handle, needle and shielding device.The needle is communicated with the handle, and the needle has needle tip.The shielding device can be kept on the handle, and the shielding device can also be kept on the needle and cover the needle tip.The present application sets the shielding device on the handle, and the shielding device is convenient for medical staff to pinch at the handle.The shielding device forms a shield on the needle tip, which avoids the needle tip from pricking medical staff.

Description

An infusion set needle Technical Field

[0001] This invention relates to the field of medical device technology, specifically to an infusion set needle. Background Technology

[0002] Clinically used infusion sets consist of a needle handle, needle, needle cap, and tubing. When administering an infusion, healthcare workers remove the needle cap, hold the needle handle, insert the needle, and then discard the needle cap in the trash. After the infusion is complete, the healthcare worker removes the needle by holding the needle handle, leaving the needle exposed. Typically, the healthcare worker uses one hand to hold the tubing while using the other hand to hold the needle handle and insert the needle into the tubing. The hand holding the tubing is at risk of being pricked by the needle. Furthermore, even if the needle cap is consciously retained for use after the infusion, the risk of needle pricks still exists, as one hand holds the cap while the other holds the needle handle to insert the needle into the cap, increasing the risk of occupational exposure. Summary of the Invention

[0003] In view of the shortcomings of the prior art, the present invention provides an infusion set needle, which can solve or at least alleviate one or more of the above-mentioned problems and other problems existing in the prior art.

[0004] The present invention provides an infusion set needle, comprising: a needle handle; a needle tip communicating with the needle handle and having a needle point; and a shielding device that can be held on the needle handle or on the needle tip and covers the needle point.

[0005] Preferably, the shielding device includes: a shielding sleeve, which is sleeved on the needle handle and can be held on the needle handle or on the needle head and cover the needle tip; and a first limiting member, one end of which is rotatably connected to one end of the shielding sleeve and can be rotated to form a seal at the end of the shielding sleeve.

[0006] Preferably, the needle handle includes: an installation tube communicating with the needle tip; and a limiting sleeve sleeved onto the installation tube; the blocking sleeve is fitted onto the limiting sleeve;

[0007] The shielding device further includes: a first side wing, one end of which is fixedly connected to the first limiting member; and a second limiting member, which is connected to one end of the first side wing and rotatably connected to the end of the shielding sleeve away from the first limiting member; the rotation center lines of the first limiting member and the second limiting member are the same; the first limiting member and the second limiting member can simultaneously abut against both ends of the limiting sleeve.

[0008] Preferably, a second side wing is also fixedly connected to the outer wall of the shielding sleeve.

[0009] Preferably, the shielding device further includes: a connector connected to the end of the shielding sleeve away from the needle tip; and an anti-detachment sleeve sleeved on the mounting tube, which can abut against the end of the limiting sleeve.

[0010] Preferably, the second side wing has a through clearance opening, the first side wing has a locking hole, and the blocking device further includes an elastic ring, which is sleeved on the blocking sleeve and passes through the clearance opening and the locking hole.

[0011] Preferably, the first limiting member includes: a first arc-shaped portion, rotatably connected to the end of the shielding sleeve, and abutting against the end of the limiting sleeve; and a cover portion, fixedly connected to the first side wing, and rotatable to the end of the shielding sleeve.

[0012] Preferably, the second limiting member includes a second arc-shaped portion, which can abut against the end of the limiting sleeve. One end of the second arc-shaped portion is rotatably connected to the end of the blocking sleeve, and the other end of the second arc-shaped portion is connected to the first side wing.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] In this invention, a shielding device is provided on the needle handle. The shielding device is located at the needle handle to facilitate the gripping of medical personnel, and it also shields the needle tip from being pricked by the needle tip. Attached Figure Description

[0015] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0016] Figure 1 is a perspective view of an infusion set needle according to an embodiment of the present invention;

[0017] Figure 2 is a three-dimensional view of the structure at point A in Figure 1;

[0018] Figure 3 is another perspective view of an infusion needle as shown in Figure 1 (the shielding device completes the shielding of the needle tip);

[0019] Figure 4 is a perspective view of the shielding device in Figure 1 (without connectors and anti-detachment sleeve);

[0020] Figure 5 is another perspective view of Figure 4 (the first limiting member is closed on the end of the shielding sleeve);

[0021] Figure 6 is another three-dimensional view of Figure 5.

[0022] Figure label:

[0023] 10. Needle handle; 11. Mounting tube; 12. Limiting sleeve;

[0024] 20. Needle tip; 21. Needle point;

[0025] 30. Covering device; 31. Covering sleeve; 32. First limiting member; 321. First arc-shaped part; 322. Covering part; 33. First side wing; 331. Locking hole; 34. Second limiting member; 341. Second arc-shaped part; 35. Second side wing; 351. Relief opening; 36. Connecting member; 37. Anti-detachment sleeve; 38. Elastic ring. Detailed Implementation

[0026] The embodiments of the technical solution of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the technical solution of the present invention and are therefore intended to limit the scope of protection of the present invention.

[0027] It should be noted that, unless otherwise stated, the technical or scientific terms used in this application should have the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.

[0028] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0029] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly defined.

[0030] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0031] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0032] Referring to Figures 1 to 6, this embodiment provides an infusion set needle, including a needle handle 10, a needle tip 20, and a shielding device 30.

[0033] The needle 20 is connected to the needle handle 10 and has a needle tip 21. The shielding device 30 can be held on the needle handle 10 and can also be held on the needle 20 and cover the needle tip 21.

[0034] Specifically, the shielding device 30 prevents the needle tip 21 from pricking medical personnel by covering it. Its structure can be a sleeve that slides on the needle handle 10 and the needle tip 20, secured to either the handle 10 or the needle tip 20 by clamping or using a rope. The shielding device 30 is conveniently located on the needle handle 10 for medical personnel to grip, and it shields the needle tip 21 on the needle tip 20, preventing pricking. The shielding device 30 is held on the needle handle 10, making it easy to access when needed without requiring separate carrying, thus increasing convenience.

[0035] In one embodiment, the shielding device 30 includes a shielding sleeve 31 and a first limiting member 32.

[0036] The shielding sleeve 31 is fitted onto the needle handle 10. The shielding sleeve 31 can be held on the needle handle 10 or on the needle tip 20 and cover the needle tip 21. One end of the first limiting member 32 is rotatably connected to one end of the shielding sleeve 31, and after rotation, it forms a seal at the end of the shielding sleeve 31.

[0037] In this embodiment, the medical staff holds the needle handle 10 and inserts the needle. After the infusion is completed and the needle is withdrawn, the shielding sleeve 31 is moved to the needle tip 21, and then the first limiting member 32 is rotated. The first limiting member 32 covers the end of the shielding sleeve 31. At this time, the shielding sleeve 31 covers the needle tip 21, preventing the medical staff from being pricked by the needle tip 21. It should be noted that when the medical staff moves the shielding sleeve 31 from the needle handle 10 to the needle tip 21, the direction of hand movement is the same as that of the needle 20, rather than the hand being opposite to the needle tip 21. Therefore, the probability of the hand being pricked by the needle tip can be reduced.

[0038] In one embodiment, the needle handle 10 includes an installation tube 11 and a limiting sleeve 12.

[0039] The mounting tube 11 is connected to the needle 20. The limiting sleeve 12 is sleeved on the mounting tube 11. The blocking sleeve 31 is fitted onto the limiting sleeve 12 with a gap, and the blocking sleeve 31 can rotate and slide on the limiting sleeve 12.

[0040] The shielding device 30 also includes a first side wing 33 and a second limiting member 34. One end of the first side wing 33 is fixedly connected to the first limiting member 32. The second limiting member 34 is fixedly connected to one end of the first side wing 33 and rotatably connected to the end of the shielding sleeve 31 away from the first limiting member 32. Specifically, the first limiting member 32 and the second limiting member 34 are located on the outer sides of both ends of the limiting sleeve 12, respectively. The rotation center lines of the first limiting member 32 and the second limiting member 34 are the same, and the first limiting member 32 and the second limiting member 34 can simultaneously abut against both ends of the limiting sleeve 12.

[0041] In this embodiment, the first side wing 33 is moved so that the first limiting member 32 and the second limiting member 34 on both sides rotate and press against the outer wall of the mounting tube 11. At this time, the first limiting member 32 and the second limiting member 34 are located at both ends of the limiting sleeve 12 and are in contact with both ends of the limiting sleeve 12, so that the blocking sleeve 31 cannot move axially relative to the limiting sleeve 12, thereby restricting the blocking sleeve 31 to the limiting sleeve 12. That is, the blocking sleeve 31 is held on the needle handle 10. The structure is compact and the design is reasonable.

[0042] In one embodiment, a second side wing 35 is also fixedly connected to the outer wall of the shielding sleeve 31. Specifically, both the first side wing 33 and the second side wing 35 are plate-shaped. The second side wing 35 facilitates cooperation with the first side wing 33, preventing the shielding sleeve 31 from rotating when only the first side wing 33 is present, which would otherwise cause operational inconvenience. When inserting the needle, the first side wing 33 is pressed against the second side wing 35 to fix the shielding sleeve 31 in place. Furthermore, it is also more convenient for medical personnel to insert the needle by pinching the first side wing 33 and the second side wing 35 with their thumb and forefinger.

[0043] In one embodiment, the shielding device 30 further includes a connector 36 and an anti-detachment sleeve 37.

[0044] The connector 36 is connected to the end of the blocking sleeve 31 away from the needle tip 21. The anti-detachment sleeve 37 is sleeved on the mounting tube 11 and abuts against the end of the limiting sleeve 12. Specifically, when the blocking sleeve 31 moves to the position of the needle tip 21, the anti-detachment sleeve 37 moves to the limiting sleeve 12 and abuts against it. At this time, the first limiting member 32 also rotates to the end of the blocking sleeve 31. This ensures that if the blocking sleeve 31 moves further away from the limiting sleeve 12, it will be restricted because the anti-detachment sleeve 37 abuts against the limiting sleeve 12. Conversely, if the blocking sleeve 31 moves towards the limiting sleeve 12, it will be restricted because the first limiting member 32 abuts against the needle tip 21.

[0045] In one embodiment, the second side wing 35 has a through clearance opening 351, the first side wing 33 has a locking hole 331, and the blocking device 30 also includes an elastic ring 38. Specifically, the elastic ring 38 can be a rubber band to reduce costs. The elastic ring 38 is sleeved on the blocking sleeve 31, and passes through the clearance opening 351 and the locking hole 331.

[0046] In this embodiment, during the rotation of the first side wing 33 around its rotation center, the distance between the end of the first side wing 33 near the outer wall of the shielding sleeve 31 and the shielding sleeve 31 increases and then decreases again, causing the elastic ring 38 to be stretched first and then shortened. Under the action of the elastic ring 38, the first side wing 33 is normally kept in contact with the second side wing 35, thereby fixing the shielding sleeve 31 on the limiting sleeve 12. When the first side wing 33 is moved away from the second side wing 35, the elastic ring 38 is first stretched until the first side wing 33 rotates to a position (temporarily designated as the transition point, at which point the first side wing 33, its rotation center, and the axis of the shielding sleeve 31 are roughly on the same plane, and the elastic ring 38 is stretched to its maximum). Once the first side wing 33 rotates further, as the distance between the first side wing 33 and the shielding sleeve 31 decreases, the first side wing 33 will rotate rapidly under the action of the elastic ring 38, thereby causing the first limiting member 32 and the second limiting member 34 to quickly leave the mounting tube 11 and quickly disconnect from the limiting sleeve 12, thus allowing the shielding sleeve 31 to move. Moreover, under the action of the elastic ring 38, the first limiting member 32 tends to cover the end of the shielding sleeve 31, so that once the first limiting member 32 moves to the end of the needle tip 21, the first limiting member 32 can rotate and cover the end of the shielding sleeve 31. When medical staff operate the device, they can pinch the first side wing 33 and the second side wing 35 to drive the needle tip 21 to complete the needle insertion operation. After the needle is withdrawn, the medical staff only needs to separate the first side wing 33 and the second side wing 35 at a certain angle with both hands. Under the action of gravity, the needle 20 and the needle tip 21 naturally retract into the shielding sleeve 31. Under the action of the elastic ring 38, the medical staff only needs to hold the installation tube 11. Driven by the elastic ring 38, the first limiting member 32 rotates to the end of the shielding sleeve 31 and covers the needle tip 21 together with the shielding sleeve 31. The operation is convenient and the hand is no longer facing the needle tip 21, avoiding being pricked.

[0047] In one embodiment, the first limiting member 32 includes a first arcuate portion 321 and a cover portion 322.

[0048] The first arc-shaped portion 321 is rotatably connected to the end of the shielding sleeve 31 and can abut against the end of the limiting sleeve 12. The cover portion 322 is fixedly connected to the first side wing 33 and can be rotated to the end of the shielding sleeve 31. Specifically, the cover portion 322 is generally a circular plate, the size of which is approximately the same as the inner cavity size of the shielding sleeve 31.

[0049] In one embodiment, the second limiting member 34 includes a second arcuate portion 341 that abuts against the end of the limiting sleeve 12. One end of the second arcuate portion 341 is rotatably connected to the end of the blocking sleeve 31, and the other end of the second arcuate portion 341 is connected to the first side wing 33. The second arcuate portion 341 and the first arcuate portion 321 have substantially the same shape.

[0050] Numerous specific details are set forth in this specification. However, it will be understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this specification.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered within the scope of the claims and specification of the present invention.

Claims

1. An infusion set needle, characterized in that, include: A needle handle (10); a needle tip (20) communicating with the needle handle (10) and having a needle point (21); and a shielding device (30) that can be held on the needle handle (10) or on the needle tip (20) and covers the needle point (21); The shielding device (30) includes: a shielding sleeve (31) sleeved on the needle handle (10), which can be held on the needle handle (10) or on the needle tip (20) and covers the needle tip (21); and a first limiting member (32) rotatably connected at one end to one end of the shielding sleeve (31), which can be rotated to form a seal at the end of the shielding sleeve (31); the needle handle (10) includes: an installation tube (11) communicating with the needle tip (20); and a limiting sleeve (12) sleeved on the installation tube (11). The shielding sleeve (31) is fitted onto the limiting sleeve (12) with a gap; the shielding device (30) further includes: a first side wing (33), one end of which is fixedly connected to the first limiting member (32); and a second limiting member (34), which is connected to one end of the first side wing (33) and rotatably connected to the end of the shielding sleeve (31) away from the first limiting member (32); the rotation center lines of the first limiting member (32) and the second limiting member (34) are the same; the first limiting member (32) and the second limiting member (34) can... At the same time, it abuts against both ends of the limiting sleeve (12); a second side wing (35) is also fixedly connected to the outer wall of the shielding sleeve (31); the shielding device (30) further includes: a connector (36), which is connected to the end of the shielding sleeve (31) away from the needle tip (21); and a detachment sleeve (37), which is sleeved on the mounting tube (11) and abuts against the end of the limiting sleeve (12); a through clearance opening (351) is provided on the second side wing (35), and a locking hole (331) is provided on the first side wing (33). The shielding device (30) further includes an elastic ring (38), which is sleeved on the shielding sleeve (31) and passes through the relief opening (351) and the locking hole (331); the first limiting member (32) includes: a first arc-shaped part (321), which is rotatably connected to the end of the shielding sleeve (31) and can abut against the end of the limiting sleeve (12); and a cover part (322), which is fixedly connected to the first side wing (33) and can be rotated to the end of the shielding sleeve (31).

2. The infusion set needle as described in claim 1, characterized in that, The second limiting member (34) includes a second arc-shaped part (341), which can abut against the end of the limiting sleeve (12). One end of the second arc-shaped part (341) is rotatably connected to the end of the shielding sleeve (31), and the other end of the second arc-shaped part (341) is connected to the first side wing (33).

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