Subcutaneous injection auxiliary device

Abstract

The utility model discloses a subcutaneous injection auxiliary device which comprises an elastic guiding mechanism, two clamping assemblies used for clamping the skin of a patient are arranged below the elastic guiding mechanism, each clamping assembly comprises a finger stall, and the finger stall is sleeved with a soft layer. According to the device, two fingers are inserted into finger sleeves of the clamping assemblies, then the clamping assemblies are opened towards the two sides and pressed on the skin surface, and then the fingers are slowly loosened, so that the elastic guide mechanism pushes the two clamping assemblies towards the middle part, and the two hand clamping assemblies simulate the fingers to pinch up the skin; then the medical staff can move the fingers out of the finger sleeves of the clamping assembly, at the moment, the device fixes the skin, the medical staff can conduct subcutaneous injection work with the two hands, standard operation is met, and meanwhile the working efficiency of subcutaneous injection can be improved.

Description

Technical Field

[0001] This application relates to the technical field of medical devices, and particularly to a subcutaneous injection assisting device. Background Art

[0002] Low molecular weight heparin is an anticoagulant drug. Commonly used clinically are low molecular weight heparin sodium and low molecular weight heparin calcium, which can be used to prevent blood clot formation during hemodialysis and can also be used to prevent and treat the formation of deep vein thrombosis. The injection site of low molecular weight heparin is generally subcutaneous and intravenous.

[0003] When nursing staff subcutaneously inject anticoagulant drugs such as low molecular weight heparin, they need to ensure the skin is in a wrinkled state. With the left thumb and index finger pinching the skin and maintaining the skin wrinkled state throughout the injection process, when the right hand fixes the syringe and injects, it will cause the needle to move left and right or up and down. If the left hand assists in fixing the syringe, the skin wrinkled state cannot be maintained, unable to meet the usage requirements and not conforming to the regulations. The prior art discloses a skin fixation and adjustment device for subcutaneous injection (Patent Application No.: 2021201108714). This device places the skin inside the clamping part and moves the movable bolt to clamp the skin inside the clamping part, and then the skin can be injected. However, for this device, since the bolt needs to be adjusted, and adjusting the bolt requires one hand to hold down the clamping part and the other hand to adjust the bolt, which takes corresponding time. After adjustment, the syringe can be held for injection, and it may not be able to meet the requirements of rapid and efficient injection. Summary of the Utility Model

[0004] The technical problem to be solved by this application is to provide a subcutaneous injection assisting device that can quickly clamp the skin, and at the same time, medical staff can free both hands to quickly carry out subcutaneous injection work.

[0005] To solve the above technical problem, this application adopts the following technical solutions:

[0006] The subcutaneous injection assisting device includes an elastic guiding mechanism. Below the elastic guiding mechanism, there are two clamping components for clamping the patient's skin. The clamping components include finger sleeves, and a soft layer is sleeved outside the finger sleeves. The two elastic clamping components can be opened to both sides. After opening, they are pressed on the skin surface, and the elastic guiding mechanism drives the clamping components to move towards the middle, thereby realizing rapid clamping of the skin.

[0007] In some embodiments, the elastic guiding mechanism includes a round shaft. One end of the round shaft is provided with a limiting edge, and the other end is provided with a detachable nut; two springs are arranged on the round shaft; two sliding rings are sleeved on the left and right sides of the round shaft, and the top surfaces of the finger sleeves of the two clamping components are respectively connected to the bottom surfaces of the two sliding rings.

[0008] In some embodiments, two springs are respectively arranged between the sliding ring on the left side and the limit stop edge, and between the sliding ring on the right side and the nut.

[0009] In some embodiments, a groove equal in length to the round shaft is formed on the round shaft, and a slider placed in the groove is provided on the inner wall of the sliding ring.

[0010] In some embodiments, the elastic guiding mechanism includes a U-shaped elastic sheet, and connecting pieces are respectively and movably connected to both ends of the elastic sheet, and the top surfaces of the finger sleeves of the two clamping assemblies are respectively connected to the bottom surfaces of the two connecting pieces.

[0011] Compared with the prior art, the present application at least achieves the following beneficial effects: By inserting two fingers into the finger sleeves of the clamping assemblies, then opening the clamping assemblies to both sides, pressing on the skin surface, and then slowly releasing the fingers, the elastic guiding mechanism pushes the two clamping assemblies towards the middle, and the anthropomorphic fingers of the two hand clamping assemblies pinch the skin. Then, the medical staff can move the fingers out of the finger sleeves of the clamping assemblies. At this time, the device has fixed the skin, and the medical staff can perform subcutaneous injection work with both hands alone, which not only complies with the standard operation but also improves the work efficiency of subcutaneous injection. Description of the Drawings

[0012] Now, one or more embodiments of the present application will be described only by way of example with reference to the accompanying drawings, in which:

[0013] Figure 1 is a three-dimensional display diagram of a subcutaneous injection assistance device according to one embodiment of the present application;

[0014] Figure 2 is Figure 1 a partial schematic diagram of part A in the embodiment;

[0015] Figure 3 is a three-dimensional display diagram of a subcutaneous assistance device according to another embodiment of the present application.

[0016] The reference numerals in the figures are: 1, round shaft; 11, limit stop edge; 12, groove; 2, spring; 3, finger sleeve; 4, sliding ring; 41, slider; 5, soft layer; 6, nut; 7, elastic sheet; 71, wedge block; 8, screw; 9, connecting piece. Detailed Embodiments

[0017] The following will describe the present application in detail with reference to the exemplary embodiments in the accompanying drawings. However, it should be understood that the present application can be implemented in various different forms and should not be construed as being limited to the embodiments described herein. These embodiments are provided herein to make the disclosure of the present application more complete and to fully convey the concept of the present application to those skilled in the art.

[0018] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as "center", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the protection scope of the present application.

[0019] In view of the defect in the prior art that the work efficiency of pinching the patient's skin and performing subcutaneous injection is relatively low. After careful analysis by the inventor, it is found that the main reason for the above problem is that when injecting drugs such as low molecular weight heparin, it is necessary to ensure that the needle and the skin maintain a corresponding angle. Secondly, it is also necessary to ensure that when the medical staff pinches the patient's skin, during the period from before injection to after injection when the needle stays in the skin, it should be kept as unchanged as possible. When using the left hand to pinch the skin and the right hand to insert the needle, the needle may shift, or the force of the left hand pinching the skin may change, thus causing the height of the skin bulge to change, which may affect the injection effect. A skin fixation and adjustment device for subcutaneous injection disclosed in the prior patent needs to clamp the skin and then adjust the clamping degree of two bolts to determine the height of the skin bulge. However, generally speaking, subcutaneous injection work can be basically completed within one minute, and it may take more time to adjust this device, resulting in an extended overall working time and failing to meet the requirement of fast and efficient injection. Based on the above analysis, the inventor has made a structural improvement to the skin fixation device.

[0020] Embodiment 1

[0021] As Figure 1 shown, in an embodiment of the subcutaneous injection assisting device of the present application, the device includes an elastic guiding mechanism, and there are two clamping assemblies for clamping the patient's skin arranged below the elastic guiding mechanism. The clamping assembly includes a finger sleeve 3. The finger sleeve 3 is cylindrical, and its front end is provided with an opening for the medical staff to insert their fingers. A soft layer 5 is sleeved outside the finger sleeve 3, and the soft layer 5 can be a rubber layer.

[0022] The function of the elastic guiding mechanism is that when the clamping assembly moves to both sides and there is no force driving the clamping assembly to move to both sides, the elastic guiding mechanism is relied on to push the clamping assemblies on both sides back to the central position. To achieve this effect, the elastic guiding mechanism includes a round shaft 1 made of metal, with a length of approximately 8 - 10 cm. A round sheet-shaped limiting edge 11 is welded to one end of the round shaft 1, and threads are provided on the surface of the other end, and a removable nut 6 is screwed on the threaded part; two springs 2 are provided on the round shaft 1. Two sliding rings 4 are sleeved on the left and right sides of the round shaft 1, and the top surfaces of the finger sleeves 3 of the two clamping assemblies are respectively welded to the bottom surfaces of the two sliding rings 4. When the two sliding rings 4 move to both sides, they drive the finger sleeves 3 to move. The sliding rings 4 will squeeze the springs 2. When there is no force applied to the sliding rings 4 to drive them to move along the round shaft 1 to both sides, the reaction force of the springs 2 will push the sliding rings 4 back, thereby driving the finger sleeves 3 to merge towards the middle of the round shaft 1, and finally clamping the skin.

[0023] As can be seen from the above, in order to be able to push the sliding rings 4 towards the middle of the round shaft 1, the two springs 2 are respectively arranged between the left sliding ring 4 and the limiting edge 11 and between the right sliding ring 4 and the nut 6.

[0024] To prevent the sliding rings 4 from rotating on the round shaft 1, resulting in the non-parallelism of the two finger sleeves 3 and affecting the clamping effect, as Figure 2 shown, a groove 12 of the same length as the round shaft 1 is provided on the round shaft 1, and a slider 41 placed in the groove 12 is provided on the inner wall of the sliding ring 4. In this way, through the cooperation of the slider 41 and the groove 12, the rotation of the sliding ring 4 can be restricted.

[0025] During use, medical staff respectively insert the thumb and index finger into the two finger sleeves 3. The finger force moves the two finger sleeves 3 along both sides of the round shaft 1 through the sliding rings 4 to open. At this time, the springs 2 are squeezed by the sliding rings 4, and then the finger sleeves 3 sleeved with the soft layer 5 are pressed against the skin surface. The soft layer 5 is a rubber layer and has a certain frictional force. When the medical staff relaxes the fingers, the sliding rings 4 are pushed by the reaction force of the springs 2, driving the finger sleeves 3 to move along the middle of the round shaft 1. The two finger sleeves 3 close towards the middle of the round shaft 1. During the closing process, the skin is clamped and raised, and at this time, the injection work can be carried out.

[0026] Among them, the magnitude of the clamping force can be adjusted by selecting springs 2 of different thicknesses. When replacing the springs 2, unscrew the nut 6 on the round shaft 1, and the springs 2, sliding rings 4 and other components can be sequentially removed.

[0027] Embodiment 2

[0028] This embodiment is generally the same as Embodiment 1, and the difference lies in that the elastic guiding mechanism is different, as Figure 3As shown in the figure, the elastic guiding mechanism includes a U-shaped elastic sheet 7. The elastic sheet 7 is elastic. At both ends of the elastic sheet 7, rectangular wedges 71 are respectively provided. The size of the wedges 71 is smaller than that of the elastic sheet 7. At both ends of the elastic sheet 7, connecting pieces 9 made of metal are respectively movably connected. Specifically, at one end of the connecting piece 9 facing the wedge 71 of the elastic sheet 7, a rectangular hole for placing the wedge 71 is opened. A threaded hole is opened on the side of the rectangular hole. After the wedge 71 is clamped into the rectangular hole of the connecting piece 9, a screw 8 is selected at the threaded hole. The screw 8 abuts against the wedge 71, thereby realizing the movable connection. The top surfaces of the finger sleeves 3 of the two clamping assemblies are respectively welded to the bottom surfaces of the two connecting pieces 9.

[0029] During use, medical staff respectively insert the thumb and index finger into the two finger sleeves 3. With finger force, the two finger sleeves 3 are moved and opened to both sides. When the finger sleeves 3 move towards both ends, the elastic sheet 7 opens. Then, the finger sleeve 3 sleeved with the soft layer 5 is pressed against the skin surface. After the skin is clamped in the middle of the finger sleeve 3, when the medical staff relaxes the fingers, the skin is clamped and raised by the reaction force of the elastic sheet 7. At this time, the injection work can be carried out.

[0030] Among them, the magnitude of the clamping force can be adjusted by selecting the thickness of the elastic sheet 7. When the elasticity of the elastic sheet 7 deteriorates, the screw 8 is loosened, and the elastic sheet 7 can be removed from the two connecting pieces 9, and a new elastic sheet 7 can be replaced.

[0031] It should be understood that all the above embodiments are exemplary rather than restrictive. Under the concept of this application, various modifications or deformations made by those skilled in the art to the specific embodiments described above should be within the protection scope of this application.

Claims

1. Subcutaneous injection assistance device, characterized in that: It includes an elastic guiding mechanism. Below the elastic guiding mechanism, there are two clamping components for clamping the patient's skin. The clamping component includes a finger sleeve, and a soft layer is sleeved outside the finger sleeve.

2. The device according to claim 1, characterized in that: The elastic guiding mechanism includes a round shaft. One end of the round shaft is provided with a limiting edge, and the other end is provided with a detachable nut; two springs are arranged on the round shaft; two sliding rings are sleeved on the left and right sides of the round shaft, and the top surfaces of the finger sleeves of the two clamping components are respectively connected to the bottom surfaces of the two sliding rings.

3. The device according to claim 2, characterized in that: The two springs are respectively arranged between the sliding ring on the left side and the limiting edge and between the sliding ring on the right side and the nut.

4. The device according to claim 2, characterized in that: A groove equal in length to the round shaft is opened on the round shaft, and a slider placed in the groove is arranged on the inner wall of the sliding ring.

5. The device according to claim 1, characterized in that: The elastic guiding mechanism includes a U-shaped elastic sheet. The two ends of the elastic sheet are respectively movably connected with connecting sheets, and the top surfaces of the finger sleeves of the two clamping components are respectively connected to the bottom surfaces of the two connecting sheets.

6. The device according to any one of claims 1-5, characterized in that: The finger sleeve is cylindrical, and its front end is provided with an opening.

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