Needle taking device for metal syringe needle

Abstract

The utility model discloses a metal syringe needle taking device which comprises a columnar body, grooves are formed in the body in the length direction, and the grooves are divided into a needle tip groove used for loosely containing an anesthetic needle tip, a needle cap groove used for loosely containing a needle cap and a threaded cap groove used for loosely containing a syringe threaded cap according to functional areas. And the inner wall of the needle cap groove is in clutch contact with the needle cap. According to the design of the needle taking device, an anesthetic needle enters the groove in a translation mode instead of an insertion mode, and the risk that an operator is punctured by a needle point accidentally is remarkably reduced. The needle taking device is of a simple columnar structure, the internal groove is visual in design and easy to operate, complex mechanical parts or electronic assemblies are not needed, and manufacturing and maintenance are convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of medical apparatus and instruments, and relates to a needle extractor for safely removing a metal syringe needle. BACKGROUND

[0002] In medical injection operations, anesthetic needles, as a special type of syringe needle, have their unique structure and application scenarios. These needles are usually used to perform local anesthesia, such as periodontal membrane injection and other delicate operations. In order to improve the comfort of treatment and reduce the pain sensation to the patient, the needle tube of an anesthetic needle is designed to be very thin, for example, only 0.313 mm in diameter. This thin needle tube design helps to reduce tissue damage to the patient during injection.

[0003] However, this design feature of an anesthetic needle also brings some safety hazards. Since the needle tube is very thin, the needle tips at both ends are correspondingly very sharp. Although such sharp needle tips can bring less trauma to the patient, they also greatly increase the risk of accidental puncture of medical staff during operation. In a medical environment, even a small oversight can lead to serious consequences, especially in emergency situations or when quick operation is required.

[0004] The disposal of used anesthetic needles also faces challenges. Since the needle tips are very sharp, medical staff also face a high risk of puncture when removing used anesthetic needles. For safety reasons, an anesthetic needle should not be simply covered with the original packaging shell.

[0005] Currently, medical staff usually use a manual method to unscrew the anesthetic needle and place the needle into a special sharps box. However, due to the particularity of an anesthetic needle, this process poses a safety hazard. Unscrewing the needle manually increases the opportunity for medical staff to come into contact with the sharp needle tip, thereby increasing the risk of puncture. SUMMARY

[0006] In view of this, the utility model aims to provide a safe and convenient new type of metal syringe needle extractor, which is designed to specifically address the risk of puncture caused by the thin needle tube of an anesthetic needle and to provide a safe and efficient solution. The design of the needle extractor fully takes into account the thin characteristics of an anesthetic needle and, through specific structural design, ensures that the risk of puncture of medical staff is minimized during the removal of the needle, while improving the convenience and efficiency of operation.

[0007] The inventor, through long-term exploration and trial, and multiple experiments and efforts, constantly reforms and innovates, and provides the technical scheme in the technical scheme for solving the above technical problems, and provides a metal syringe needle needle extractor, which comprises a columnar body, a groove is arranged along the length direction of the body, the groove is divided into a needle tip groove for loosely accommodating a needle tip of an anesthetic needle, a needle hub groove for loosely accommodating a needle hub, and a threaded cap groove for loosely accommodating a threaded cap of a syringe according to functions; and the inner wall of the needle hub groove is in engagement with the needle hub in a clutching mode.

[0008] According to one embodiment of the metal syringe needle needle extractor of the utility model, the columnar body is a cuboid or a cylinder.

[0009] According to one embodiment of the metal syringe needle needle extractor of the utility model, the material of the body is rubber.

[0010] According to one embodiment of the metal syringe needle needle extractor of the utility model, the length of the groove is not less than the length of the anesthetic needle.

[0011] According to one embodiment of the metal syringe needle needle extractor of the utility model, the width of the needle tip groove is less than the width of the needle hub groove, and the width of the needle hub groove is less than the width of the threaded cap groove.

[0012] According to one embodiment of the metal syringe needle needle extractor of the utility model, the depth of the needle tip groove is less than the depth of the needle hub groove, and the depth of the needle hub groove is less than the depth of the threaded cap groove.

[0013] According to one embodiment of the metal syringe needle needle extractor of the utility model, the first profile of the needle hub groove is similar to the second profile of the needle hub, and the first profile is 5% to 15% larger than the second profile.

[0014] According to one embodiment of the metal syringe needle needle extractor of the utility model, when the needle tip is placed in the needle tip groove, the needle tube does not contact the inner wall of the needle tip groove.

[0015] According to one embodiment of the metal syringe needle needle extractor of the utility model, when the threaded cap is placed in the threaded cap groove, the outer surface of the threaded cap does not contact the inner wall of the threaded cap groove.

[0016] According to one embodiment of the metal syringe needle needle extractor of the utility model, the inner wall of the needle hub groove is a non-smooth surface.

[0017] Compared with the prior art, one of the above technical schemes has the following advantages:

[0018] a) The design of the needle extractor of the utility model is that the anesthetic needle enters the groove in a translational mode rather than an insertion mode, which significantly reduces the risk of accidental needle tip injury to the operator.

[0019] b) The needle extractor of the utility model adopts simple columnar structure, the recess inside is designed intuitively and easy to operate, does not need complicated mechanical parts or electronic components, and is convenient for manufacturing and maintenance.

[0020] c) When taking the needle, the operator only needs to pinch the needle nose groove section, can utilize the friction between the recess inner wall and needle nose and twist the thread, realizes the unscrewing of the anesthetic needle. After unscrewing the anesthetic needle, the operator releases the needle nose groove section, and can easily pour the anesthetic needle from the recess. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiments, it should be understood, the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other related drawings according to these drawings.

[0022] Figure 1 It is the front view structural schematic diagram of a preferred embodiment of the utility model metal syringe needle extractor.

[0023] Figure 2 It is Figure 1 The right view structural schematic diagram of.

[0024] Figure 3 It is Figure 1 The left view structural schematic diagram of.

[0025] Figure 4 It is Figure 1 The top view structural schematic diagram of.

[0026] Figure 5 It is Figure 1 The three-dimensional structural schematic diagram of.

[0027] The marks in the drawing are respectively:

[0028] 100 body,

[0029] 110 recess,

[0030] 111 needle tip groove,

[0031] 112 needle nose groove,

[0032] 113 thread cover groove,

[0033] 200 anesthetic needle,

[0034] 210 needle tube,

[0035] 220 needle nose. DETAILED DESCRIPTION

[0036] The application will be described below with reference to the accompanying drawings and a specific embodiment.

[0037] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only to represent selected embodiments of the present application.

[0038] It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it can not be further defined and explained in subsequent drawings.

[0039] Referring to Figures 1 to 5 The metal syringe needle extractor described in the embodiment includes a columnar body 100, which is a cuboid or a cylinder to adapt to different use scenarios and user preferences. The embodiment shows the case where the columnar body is a cuboid. The body 100 is made of a rubber material with elasticity, which not only provides a good grip feeling, but also plays a role in buffering and anti-skid during operation. The rubber material is selected based on its excellent elasticity and flexibility, which enables the extractor to provide the necessary mechanical advantage when twisting and releasing the anesthetic needle. At the same time, due to the simple processing nature of the rubber material, the structure of the extractor can be simplified, reducing the need for complex mechanical components. Since the rubber material can be integrally formed by injection molding and the like, the body 100 and the groove 110 inside it can be manufactured as a single component, further simplifying the production process and assembly steps.

[0040] The groove 110 is provided in the length direction of the body 100, and its length is designed to be not less than the length of the anesthetic needle 200, ensuring that the entire anesthetic needle can be completely placed in the groove 110. The groove 110 is divided into three parts according to function: a needle tip groove 111, a needle hub groove 112, and a threaded cap groove 113.

[0041] The needle tip groove 111 is designed to loosely accommodate the needle tip portion of the anesthetic needle 200. The width of the needle tip groove 111 is smaller than that of the needle hub groove 112, ensuring that the needle tip can be stably placed in the groove, while the needle tube 210 does not contact the inner wall of the needle tip groove 111, avoiding damage to the inner wall of the needle tip groove 111 by the needle tube during needle extraction.

[0042] Needle tip slot 111: used to loosely accommodate the needle tip 210. The needle tip 210 is connected to the needle barrel by a threaded connection. The inner wall of the needle tip slot 111 and the needle tip 210 are in a loose engagement. The inner wall of the needle tip slot 111 is designed to be non-smooth to increase friction, facilitating the screwing of the threads. The width and depth of the needle tip slot 111 are greater than those of the needle hub slot 112 to accommodate the size of the needle tip 210. See Figure 4 The first profile of the needle tip slot 111 and the second profile of the needle tip 210 are similar figures, with the first profile being 5% to 15% larger than the second profile to achieve a good fit and securement. The term "similar figures" generally refers to the similarity in shape of two or more figures, but they can be different in size. This similarity means that the figures have the same profile or geometric features, just scaled differently.

[0043] Threaded cap slot 113: used to loosely accommodate the threaded cap of the syringe. The width and depth of the threaded cap slot 113 are greater than those of the needle hub slot 112 to accommodate the size of the threaded cap. When the threaded cap is placed in the threaded cap slot 113, the outer surface of the threaded cap does not contact the inner wall of the threaded cap slot 113, ensuring that the threaded cap can rotate freely within the needle remover.

[0044] The term "loosely accommodate" is used to describe a component that can accommodate another component while leaving enough space for ease of handling and to avoid tightening or damage. This design allows for a certain degree of mobility, both ensuring the secure fixation of the components and facilitating their removal when needed. The space allowance refers to the fact that the accommodated component (such as the needle tip, needle hub, or threaded cap) has a certain amount of space within the accommodation slot, not being in contact with the slot wall, thus reducing friction and wear. The loose accommodation design allows medical personnel to place or remove the anesthetic needle without using excessive force, making the operation easier. The loose accommodation design allows for a certain degree of misalignment, so that even if the anesthetic needle is not placed very precisely, it can still be safely accommodated.

[0045] In this embodiment, the needle tip slot 111, the needle hub slot 112, and the threaded cap slot 113 are designed with a certain amount of space allowance to accommodate the shape and size of the respective components, while ensuring that the screwing of the threads or the removal of the anesthetic needle tip can be carried out smoothly, reducing the possibility of injury to the components or the operator.

[0046] In the length direction of the recess 110, the needle tip groove 111, the needle hub groove 112 and the threaded cap groove 113 are arranged in sequence to accommodate the corresponding parts of the anesthetic needle 200 of different lengths. The section corresponding to the needle tip groove 111 is the needle tip groove section, the section corresponding to the needle hub groove 112 is the needle hub groove section, and the section corresponding to the threaded cap groove 113 is the threaded cap groove section. From the needle tip groove section to the threaded cap groove section, the wall thickness of each groove section is gradually thinned. The wall thickness of the needle tip groove section is relatively thick and is not easy to deform, which ensures the structural stability of the needle extractor. The wall thickness of the needle hub groove section is relatively thin and is easy to deform, which facilitates the screwing. Since the body 100 is made of rubber material and has good elasticity, when the operator pinches the needle hub groove section, the deformation of the rubber material generates sufficient friction to screw the needle hub 220, thereby unscrewing the anesthetic needle 200. After releasing the hand, the rubber material returns to its original state, releasing the needle hub, so that the anesthetic needle can be smoothly poured out or taken out from the recess 110.

[0047] The above is only the preferred embodiment of the present application, and it should be pointed out that the above preferred embodiment should not be regarded as limiting the present application, and the protection scope of the present application should be limited by the scope defined by the claims. For ordinary skilled in the art, several improvements and refinements can be made without departing from the spirit and scope of the present application, and these improvements and refinements should also be regarded as the protection scope of the present application.

Claims

1. A metal syringe needle needle extractor, characterized in that, The application relates to a columnar body provided with grooves along the length direction of the body, the grooves are divided into a needle tip groove for loosely accommodating a needle tip of an anesthetic needle, a needle nose groove for loosely accommodating a needle nose and a screw cap groove for loosely accommodating a screw cap of a syringe according to functions, and the inner wall of the needle nose groove is in engagement with the needle nose in a clutch mode.

2. The metal syringe needle needle remover of claim 1, wherein, The columnar body is a cuboid or a cylinder.

3. The metal syringe needle needle remover of claim 1, wherein, The material of the body is rubber.

4. The metal syringe needle needle remover of claim 1, wherein, The length of the groove is not less than the length of the anesthetic needle.

5. The metal syringe needle needle remover of claim 1, wherein, The width of the needle tip groove is less than that of the needle nose groove, and the width of the needle nose groove is less than that of the screw cap groove.

6. The metal syringe needle needle remover of claim 5, wherein, The depth of the needle tip groove is less than that of the needle nose groove, and the depth of the needle nose groove is less than that of the screw cap groove.

7. The metal syringe needle needle remover of claim 6, wherein, The first profile of the needle nose groove is similar to the second profile of the needle nose, and the first profile is 5%-15% larger than the second profile.

8. The metal syringe needle needle remover of claim 6, wherein, When the needle tip is placed in the needle tip groove, the needle tube is not in contact with the inner wall of the needle tip groove.

9. The metal syringe needle needle remover of claim 6, wherein, When the screw cap is placed in the screw cap groove, the outer surface of the screw cap is not in contact with the inner wall of the screw cap groove.

10. The metal syringe needle needle remover of claim 1, wherein, The inner wall of the needle nose groove is a non-smooth surface.

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