Safe insulin needle replacing device

Abstract

The utility model discloses a safe insulin needle replacing device which comprises a base body, a needle cap containing hole used for inserting an outer needle cap of an insulin pen is formed in the base body, the depth of the needle cap containing hole is smaller than the height of the outer needle cap, and a clamping assembly used for clamping the portion, protruding out of the needle cap containing hole, of the outer needle cap is arranged on the upper surface of the base body. The safe replacing device for the insulin needle head is simple in structure, safe and convenient, prevents the needle head from puncturing fingers of an operator, and reduces medical hidden dangers.

Description

Technical Field

[0001] The utility model relates to a safety replacement device for insulin needles. Background Art

[0002] An insulin pen is an insulin injection device, similar in size to a fountain pen. Insulin is placed in it in the form of a refill. A needle must be installed at the front end of the insulin pen to inject insulin. After the injection, the insulin pen is removed. When injecting again, a new needle is reinstalled.

[0003] The needles of existing insulin pens are generally sleeved in an outer needle cap. When installing the needle on the insulin pen, the needle needs to be taken out of the outer needle cap and installed at the front end of the insulin pen. When removing the needle, the needle needs to be inserted into the outer needle cap, and then the needle and the outer needle cap are screwed off as a whole. The traditional way of taking out the needle requires manually putting the outer needle cap on the needle and then removing the needle from the insulin pen, which has a relatively high risk and is very likely to stab the operator's finger, presenting a medical hazard. Summary of the Invention

[0004] The purpose of the utility model is to provide a safety replacement device for insulin needles, including a seat body. A needle cap placement hole for inserting the outer needle cap of the insulin pen is provided on the seat body. The depth of the needle cap placement hole is less than the height of the outer needle cap. A clamping component for clamping the part of the outer needle cap protruding from the needle cap placement hole is provided on the upper surface of the seat body.

[0005] Preferably, the clamping component includes a first clamping block and a second clamping block. The first clamping block and the second clamping block are oppositely arranged on both sides of the needle cap placement hole. Limiting sliders are provided on the bottom surfaces of the first clamping block and the second clamping block. A guiding sliding groove facing the needle cap placement hole is provided on the top surface of the seat body. The limiting sliders are slidably arranged in the corresponding guiding sliding grooves.

[0006] Preferably, semi-circular holes are provided on the relative clamping surfaces of the first clamping block and the second clamping block. The clamping hole formed by the combination of the two semi-circular holes corresponds to the needle cap placement hole. Convex ridges are provided in the two semi-circular holes.

[0007] Preferably, the cross-section of the limiting slider is trapezoidal with a narrower upper part and a wider lower part. The limiting slider is slidably embedded in a matching guiding sliding groove, and both ends of the guiding sliding groove are closed.

[0008] Preferably, a storage drawer is provided at the bottom of the seat body, and a handle is provided outside the storage drawer.

[0009] The advantages and beneficial effects of the present utility model are as follows: It provides a safety replacement device for insulin needles. The outer needle cap on the needle is snapped into the needle cap placement hole, separating the outer needle cap from the needle to facilitate the installation of the needle. After use, the needle and the outer needle cap can be assembled into one body. The overall structure is simple, safe and convenient, avoiding the needle from stabbing the operator's finger and reducing medical risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a schematic diagram of the present utility model.

[0011] Figure 2 is a cross-sectional schematic diagram of the present utility model.

[0012] Figure 3 is a schematic diagram of the cooperation between the limit slider and the guide chute in the present utility model.

[0013] Figure 4 is a disassembled schematic diagram of the insulin pen in the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] The following will further describe the specific embodiments of the present utility model in conjunction with the drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solutions of the present utility model and cannot be used to limit the protection scope of the present utility model.

[0015] The technical solution specifically implemented by the present utility model is as follows:

[0016] As Figure 4 shown, the insulin pen includes a pen barrel 100. The end of the pen barrel 100 is threadedly connected with a detachable needle 200. The detachable needle 200 is inserted into the outer needle cap 300 when not in use, and there is no rotation between the needle 200 and the outer needle cap 300;

[0017] As Figures 1 to 3 shown, a safety replacement device for insulin needles includes a seat body 1. A needle cap placement hole 2 for inserting the outer needle cap 300 of the insulin pen is provided on the seat body 1. The depth of the needle cap placement hole 2 is less than the height of the outer needle cap 300. A clamping assembly 3 for clamping the part of the outer needle cap 300 protruding from the needle cap placement hole 2 is provided on the upper surface of the seat body 1.

[0018] The above-mentioned clamping assembly 3 includes a first clamping block 31 and a second clamping block 32. The first clamping block 31 and the second clamping block 32 are oppositely arranged on both sides of the needle cap placement hole 2. The bottom surfaces of the first clamping block 31 and the second clamping block 32 are both provided with limit sliders 33. The top surface of the seat body 1 is provided with a guiding chute 34 facing the needle cap placement hole 2. The limit sliders 33 are slidably arranged in the corresponding guiding chutes 34. During actual use, the outer needle cap 300 in the needle cap placement hole 2 is fixed by the mutual clamping of the first clamping block 31 and the second clamping block 32, facilitating the subsequent installation and disassembly of the needle head 200.

[0019] Semicircular holes 4 are provided on the relative clamping surfaces of the above-mentioned first clamping block 31 and the second clamping block 32. The clamping hole formed by the combination of the two semicircular holes 4 corresponds to the needle cap placement hole 2. Convex ridges 41 are provided in the two semicircular holes 4. During actual use, the outer needle cap 300 is more easily clamped by the convex ridges 41, preventing the outer needle cap 300 from rotating arbitrarily in the needle cap placement hole 2.

[0020] The cross-section of the above-mentioned limit slider 33 is trapezoidal with a narrow top and a wide bottom. The limit slider 33 is slidably embedded in the adaptively matched guiding chute 34, and both ends of the guiding chute 34 are closed. During actual use, the limit slider 33 and the guiding chute 34 are cooperatively arranged to prevent the limit slider 33 from disengaging from the guiding chute 34 during the translation process.

[0021] A storage drawer 5 is provided at the bottom of the above-mentioned seat body 1, and a handle 51 is provided outside the storage drawer 5. During actual use, unused needle assemblies and insulin pens can be placed in the storage drawer 5 for storage, facilitating subsequent retrieval.

[0022] The specific use process of a safety insulin needle replacement device of the present utility model is as follows:

[0023] When installing the needle head 200, the bottom of the outer needle cap 300 equipped with the needle head 200 is placed into the needle cap placement hole 2. Due to the depth of the needle cap placement hole 2, the upper part of the outer needle cap 300 protrudes from the upper surface of the seat body 1. Then, the first clamping block 31 and the second clamping block 32 are moved closer to the needle cap placement hole 2 and clamped. The part of the outer needle cap 300 protruding from the needle cap placement hole 2 is clamped through the clamping hole formed by the semicircular holes 4 on the first clamping block 31 and the second clamping block 32, thereby fixing the outer needle cap 300. After that, the end of the pen rod 100 is inserted into the outer needle cap 300, and the pen rod 100 is rotated forward to threadedly assemble the pen rod 100 with the needle head 200 inside the outer needle cap 300, completing the safe installation of the needle head 200. When in use, only the pen rod 100 and the needle head 200 need to be pulled out from the outer needle cap 300, and the outer needle cap 300 is left in the needle cap placement hole 2 of the seat body 1;

[0024] When disassembling the needle 200, the outer needle cap 300 remaining in the needle cap placement hole 2 is fixed by the continuous clamping of the first clamping block 31 and the second clamping block 32. The pen barrel 100 equipped with the needle 200 is inserted into the outer needle cap 300, and then the pen barrel 100 is rotated in the reverse direction. The needle 200 is separated from the end portion of the pen barrel 100, and the pen barrel 100 is taken out. After that, the first clamping block 31 and the second clamping block 32 are separated in the direction away from the needle cap placement hole 2, and the needle 200 sleeved with the outer needle cap 300 is taken out from the needle cap placement hole 2. The overall structure is simple, safe and convenient, avoiding the needle 200 from stabbing the operator's finger and reducing the medical hidden danger.

[0025] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art of this technology, without departing from the technical principle of the present invention, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A safe replacement device for insulin needles, characterized in that: The invention comprises a seat body, which is provided with a needle cap placement hole for inserting an outer needle cap of an insulin pen, the depth of the needle cap placement hole is smaller than the height of the outer needle cap, and the upper surface of the seat body is provided with a clamping component for clamping the part of the outer needle cap protruding from the needle cap placement hole.

2. The insulin needle safety replacement device according to claim 1, characterized in that: The clamping assembly includes a first clamping block and a second clamping block, and the first clamping block and the second clamping block are relatively arranged on both sides of the needle cap placement hole. The bottom surfaces of the first clamping block and the second clamping block are both provided with a limiting slider, and the top surface of the seat body is provided with a guide groove facing the needle cap placement hole, and the limiting slider is slidably arranged in the corresponding guide groove.

3. The insulin needle safety replacement device according to claim 2, characterized in that: Semicircular holes are provided on the relative clamping surfaces of the first clamping block and the second clamping block. The clamping hole formed by the two semicircular holes is corresponding to the needle cap placement hole. The two semicircular holes are provided with convex edges.

4. The insulin needle safety replacement device according to claim 3, characterized in that: The cross section of the limit slider is a trapezoidal shape that is narrow at the top and wide at the bottom. The limit slider is slidably embedded in a matching guide slot, and both ends of the guide slot are closed.

5. The insulin needle safety replacement device according to claim 4, characterized in that: A storage drawer is provided at the bottom of the seat body, and a handle is provided on the outside of the storage drawer.

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