Puncture needle

Abstract

The embodiment of the utility model provides a puncture needle. The puncture needle comprises a needle head, a main body, a holding handle and a puncture-proof rod, the needle head is fixedly arranged on the main body; the holding handle is arranged on the main body; the puncture-proof rod is movably connected to the holding handle, a puncture-proof groove is formed in the puncture-proof rod, and after the puncture needle completes puncture operation, the puncture-proof rod moves relative to the holding handle so that the needle head can be sleeved with the puncture-proof groove. After the puncture needle is used for completing puncture operation, the puncture-proof rod movably connected to the holding handle moves relative to the holding handle so that the needle head can be contained in the puncture-proof groove, and the problems that medical care personnel and processing personnel are punctured and a packaging bag is punctured possibly in the follow-up processing process of pulling out the puncture needle are solved.

Description

Technical Field

[0001] The present application belongs to the technical field of medical devices, and specifically relates to a puncture needle. Background Art

[0002] With the development of medical technology, puncture needles, as a commonly used medical device, play an important role in the medical field.

[0003] After a patient has been punctured using an existing puncture needle, needle pricks often occur during the subsequent collection and processing process after the puncture needle is removed. In addition, the needle is prone to puncturing the packaging bag during the packaging process, causing inconvenience and risks to the collection and processing personnel. Utility Model Content

[0004] The present application aims to provide a puncture needle to solve the problem that after the existing puncture needle is used to puncture the patient, during the process of removing the puncture needle and the subsequent collection and processing, the needle often pricks the medical staff, processing personnel, etc., and during the packaging process, the needle is prone to puncture the packaging bag, causing inconvenience and risks to the collection and processing personnel.

[0005] In order to solve the above technical problems, this application is implemented as follows:

[0006] The present application discloses a puncture needle, which comprises: a needle, a main body, a holding handle and an anti-puncture rod; the needle is fixedly arranged on the main body; the holding handle is arranged on the main body; the anti-puncture rod is movably connected to the holding handle, and an anti-puncture groove is arranged on the anti-puncture rod. After the puncture needle completes the puncture operation, the anti-puncture rod moves relative to the holding handle so that the anti-puncture groove is sleeved on the needle.

[0007] Optionally, a first limiting groove and a second limiting groove are provided on the holding handle; the first limiting groove is provided on the side of the holding handle away from the needle, and when the puncture needle does not perform the puncture operation, the anti-puncture rod moves into the first limiting groove to limit the anti-puncture rod through the first limiting groove; the second limiting groove is provided on the side of the holding handle close to the needle, and when the puncture needle completes the puncture operation, the anti-puncture rod moves into the second limiting groove to limit the anti-puncture rod through the second limiting groove.

[0008] Optionally, the first limiting groove is arranged away from the main body, and the second limiting groove is arranged close to the main body; a sliding groove is arranged on the holding handle, a sliding rod is arranged in the sliding groove, and the anti-puncture rod is movably connected to the sliding rod. When the puncture needle does not perform the puncture operation, the anti-puncture rod moves along the sliding rod and rotates around the sliding rod so that the anti-puncture rod enters the first limiting groove. When the puncture needle completes the puncture operation, the anti-puncture rod moves along the sliding rod and rotates around the sliding rod so that the anti-puncture rod enters the second limiting groove and the anti-puncture groove is sleeved with the needle head.

[0009] Optionally, either a first protrusion or a first groove is provided in the first limiting groove, and the other of the first protrusion or the first groove is provided on the anti-puncture rod at a position corresponding to the first limiting groove, and the first protrusion is used to be inserted into the first groove when the puncture needle has not completed the puncture operation to fix the anti-puncture rod; either a second protrusion or a second groove is provided in the second limiting groove, and the second protrusion or the other of the second groove is provided on the anti-puncture rod at a position corresponding to the second limiting groove, and the second protrusion is used to be inserted into the second groove after the puncture needle completes the puncture operation to fix the anti-puncture rod.

[0010] Optionally, there are at least two first protrusions and first grooves, and one first protrusion is arranged correspondingly to one first groove; and there are at least two second protrusions and second grooves, and one second protrusion is arranged correspondingly to one second groove.

[0011] Optionally, a holder is provided on the main body, and the holder is provided on a side of the main body away from the needle head, and the holder is used to fix the anti-puncture rod when the puncture needle has not completed the puncture operation.

[0012] Optionally, an adsorption cavity is provided in the puncture-proof groove, and the adsorption cavity is filled with an adsorption component, and the adsorption component is used to adsorb the liquid remaining in the needle.

[0013] Optionally, the adsorption component is adsorption cotton.

[0014] Optionally, the main body includes an infusion head, an infusion tube and a transition tube; a flow channel is provided in the infusion head, the needle is at least partially inserted into the flow channel, and the holding handle is provided on the infusion head; one end of the infusion tube is fixedly connected to the infusion head and connected to the flow channel; the transition tube is connected to the other end of the infusion tube and connected to the infusion tube, and the transition tube is used to connect an external medicine tube.

[0015] Optionally, the anti-stab rod is made of any one of silicone material and polyvinyl chloride material.

[0016] In an embodiment of the present application, a puncture needle is provided. After the puncture operation is completed using the puncture needle, the anti-puncture rod movably connected to the holding handle is moved relative to the holding handle to accommodate the needle head into the anti-puncture groove, thereby avoiding the problem of stabbing medical staff, processing personnel and puncturing the packaging bag that may occur in the subsequent processing process of pulling out the puncture needle.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 This is a schematic diagram of the state where the puncture needle described in the present application is not performing a puncture operation;

[0020] Figure 2 This is a schematic diagram of the state in which the puncture needle described in this application is connected to the needle head through the anti-puncture rod sleeve

[0021] Figure 3 is a cross-sectional view of the puncture needle described in this application.

[0022] Figure numerals: 1. needle; 2. main body; 21. infusion head; 22. infusion tube; 23. transition tube; 3. holding handle; 31. first limiting groove; 32. second limiting groove; 33. slide groove; 34. slide rod; 4. anti-stab rod, 41. anti-stab groove; 42. adsorption chamber; 5. holder. DETAILED DESCRIPTION

[0023] The embodiments of the utility model will be described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0024] The term "first" or "second" in the specification and claims of this application may include one or more of the features explicitly or implicitly. In the description of this utility model, unless otherwise specified, "multiple" means two or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / " generally means that the objects connected before and after are in an "or" relationship.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The embodiment of the present application provides a puncture needle, and the embodiment of the present application may not limit the specific type of the needle.

[0028] Reference Figure 1 , shows a puncture needle described in the present application, the puncture needle may at least include: a needle 1, a main body 2, a holding handle 3 and an anti-puncture rod 4; the needle 1 is fixedly arranged on the main body 2; the holding handle 3 is arranged on the main body 2; the anti-puncture rod 4 is movably connected to the holding handle 3, and an anti-puncture groove 41 is arranged on the anti-puncture rod 4. After the puncture needle completes the puncture operation, the user moves the anti-puncture rod 4 relative to the holding handle 3 so that the anti-puncture groove 41 is sleeved on the needle 1, thereby avoiding possible puncture injuries to medical staff, treatment personnel and puncture of the packaging bag during the subsequent processing process of pulling out the puncture needle.

[0029] In an embodiment of the present application, a puncture needle is provided. After the puncture operation is completed using the puncture needle, the anti-puncture rod 4 movably connected to the holding handle 3 is moved relative to the holding handle 3 to accommodate the needle 1 into the anti-puncture groove 41, thereby avoiding the problem of stabbing medical staff, processing personnel and puncturing the packaging bag that may occur in the subsequent processing process of pulling out the puncture needle, thereby improving safety.

[0030] Optionally, the holding handle 3 described in the present application is provided with a first limiting groove 31 and a second limiting groove 32; the first limiting groove 31 is provided on the side of the holding handle 3 away from the needle 1, and when the puncture needle is not performing the puncture operation, such as transfer, unpacking and packaging, the anti-puncture rod 4 moves into the first limiting groove 31 to limit the anti-puncture rod 4 through the first limiting groove 31; the second limiting groove 32 is provided on the side of the holding handle 4 close to the needle 1, and when the puncture needle is used to complete the puncture operation, the anti-puncture rod 4 moves into the second limiting groove 32 to limit the anti-puncture rod 4 through the second limiting groove 32.

[0031] In the embodiment of the present application, a first limiting groove 31 and a second limiting groove 32 are provided on the holding handle 3, and the anti-puncture rod 4 is limited by the first limiting groove 31 and the second limiting groove 32, so that during the use of the puncture needle provided by the present application, the anti-puncture rod 4 is relatively stable due to the action of the limiting groove, thereby avoiding affecting the use of the puncture needle.

[0032] Optionally, refer to Figure 1 and Figure 2 The first limiting groove 31 described in the present application is arranged away from the main body 2, and the second limiting groove 33 is arranged close to the main body 2; a sliding groove 33 is arranged on the holding handle 3, and a sliding rod 34 is arranged in the sliding groove 33, and the anti-puncture rod 4 is movably connected to the sliding rod 34. When the puncture needle is not performing a puncture operation, the anti-puncture rod 4 moves along the sliding rod 34 and rotates around the sliding rod 34 so that the anti-puncture rod 4 enters the first limiting groove 31. When the puncture needle completes the puncture operation, the anti-puncture rod 4 moves along the sliding rod 34 and rotates around the sliding rod 34 so that the anti-puncture rod 4 enters the second limiting groove 32 and enables the anti-puncture groove 41 to be sleeved with the needle head 1.

[0033] In the embodiment of the present application, the puncture-proof rod 4 is movably connected to the slide bar 34. When the puncture operation is not performed, the puncture-proof rod 4 moves along the slide bar 34 and rotates around the slide bar 34 to enter the first limiting groove 31. When the puncture operation is completed, the puncture-proof rod 4 moves along the slide bar 34 and rotates around the slide bar 34 to enter the second limiting groove 32 and make the puncture-proof groove 41 sleeve the needle 1. In this embodiment, the puncture-proof rod 4 can move along the slide bar 34, so that when the puncture operation is not performed, there is a gap between the puncture-proof rod 4 and the main body 2 and the needle 1, so as to avoid the puncture-proof rod 4 causing inconvenience to the use of the puncture needle during use; at the same time, after the puncture operation is completed using the puncture needle, the puncture-proof rod 4 is moved on the slide bar 34, and the puncture-proof groove 41 on the puncture-proof rod 4 is sleeved on the needle, so as to avoid the problem of puncturing medical staff, processing personnel and puncturing the packaging bag in the subsequent processing process of pulling out the puncture needle, thereby improving safety.

[0034] Optionally, the first limiting groove 31 described in the present application is provided with either a first protrusion or a first groove, and the anti-puncture rod 4 is provided with the other of the first protrusion or the first groove at a position corresponding to the first limiting groove 31, and the first protrusion is used to be inserted into the first groove when the puncture needle has not completed the puncture operation to fix the anti-puncture rod 4; the second limiting groove 32 is provided with either a second protrusion or a second groove, and the anti-puncture rod 4 is provided with the other of the second protrusion or the second groove at a position corresponding to the second limiting groove 32, and the second protrusion is used to be inserted into the second groove after the puncture needle completes the puncture operation to fix the anti-puncture rod 4.

[0035] In the embodiment of the present application, a first groove and a first protrusion are correspondingly arranged on the first limiting groove 31 and the anti-puncture rod 4. Through the first groove and the first protrusion, when the present puncture needle is not in use, the anti-puncture rod 4 is more firmly positioned in the first limiting groove 31, so as to improve the stability of the present puncture needle during use; a second groove and a second protrusion are correspondingly arranged on the second limiting groove 32 and the anti-puncture rod 4. Through the second groove and the second protrusion, after the present puncture needle completes the puncture operation, the anti-puncture rod 4 is more accurately and stably fixed to the second limiting groove 32, thereby accommodating the needle 1 into the anti-puncture groove 41, avoiding the problem that the anti-puncture rod 4 falls off and causes the needle 1 to injure medical staff, treatment personnel and puncture the packaging bag.

[0036] Optionally, there are at least two first protrusions and first grooves described in the present application, and one first protrusion is arranged correspondingly to one first groove; there are at least two second protrusions and second grooves, and one second protrusion is arranged correspondingly to one second groove.

[0037] In the embodiment of the present application, at least two first grooves and a first protrusion are correspondingly arranged on the first limiting groove 31 and the anti-stab rod 4 to improve the stability of the fixation of the anti-stab rod 4; at least two second grooves and a second protrusion are correspondingly arranged on the second limiting groove 32 and the anti-stab rod 4 to improve the stability of the fixation of the anti-stab rod 4.

[0038] Optionally, a holder 5 is provided on the main body 2 described in the present application. The holder 5 is provided on a side of the main body 2 away from the needle 1 . The holder 5 is used to fix the anti-puncture rod 4 when the puncture needle has not completed the puncture operation.

[0039] In the embodiment of the present application, a holder 5 is provided on the side of the main body 2 away from the needle, and the anti-puncture rod 4 is fixed by the holder 5 when the puncture needle is not performing a puncture operation, thereby preventing the anti-puncture rod 4 from interfering with the user during the use of the puncture needle.

[0040] Optionally, an adsorption chamber 42 is provided in the anti-puncture groove 41 described in the present application, and the adsorption chamber 42 is filled with an adsorption component, and the adsorption component is used to adsorb the liquid remaining in the needle 1.

[0041] In the embodiment of the present application, an adsorption chamber 42 is provided in the puncture-proof groove 41. The adsorption component filled in the adsorption chamber 42 adsorbs the residual liquid such as medicine, blood, etc. that may exist in the needle after the puncture needle is used, so as to prevent the residual liquid from flowing out and causing pollution.

[0042] Optionally, the adsorption component described in the present application is adsorption cotton.

[0043] In the embodiment of the present application, the adsorption component can be specifically selected as common adsorbents such as adsorption cotton. It should be noted that those skilled in the art can specifically select the material and quantity of the adsorption component according to specific production and use requirements, and this application does not make further restrictions.

[0044] Optionally, refer to Figure 3 The main body 2 described in the present application includes an infusion head 21, an infusion tube 22 and a transition tube 23; a flow channel is arranged in the infusion head 21, the needle 1 is at least partially inserted into the flow channel, and the holding handle 3 is arranged on the infusion head 21; one end of the infusion tube 22 is fixedly connected to the infusion head 21 and connected to the flow channel; the transition tube 23 is connected to the other end of the infusion tube 22 and connected to the infusion tube 22, and the transition tube 23 is used to connect an external medicine liquid tube.

[0045] In the embodiment of the present application, the main body 2 includes an infusion head 21, an infusion tube 22 and a transition tube 23; the flow channel in the infusion head 21 is connected to the needle 1; one end of the infusion tube 22 is fixedly connected to the infusion head 21, and the transition tube 23 is connected to the other end of the infusion tube 22 and connected to the infusion tube 22. The transition tube 23 is used to connect an external drug solution tube to inject the drug solution into the patient's body through the infusion tube 22 and the needle 1.

[0046] Optionally, the anti-stab rod 4 described in the present application is made of any one of silicone material and polyvinyl chloride material.

[0047] In the embodiment of the present application, the anti-stab rod 4 can be specifically selected from any one of silicone material and polyvinyl chloride material. It should be noted that those skilled in the art can specifically select the material of the anti-stab rod 4 according to actual production and use requirements, and this application does not make any specific restrictions.

[0048] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A puncture needle, characterized in that: The puncture needle comprises: a needle, a main body, a holding handle and an anti-puncture rod; The needle is fixedly arranged on the main body; The holding handle is arranged on the main body; The anti-puncture rod is movably connected to the holding handle, and an anti-puncture groove is arranged on the anti-puncture rod. After the puncture needle completes the puncture operation, the anti-puncture rod moves relative to the holding handle so that the anti-puncture groove is sleeved on the needle head.

2. The puncture needle according to claim 1, characterized in that: The holding handle is provided with a first limiting groove and a second limiting groove; The first limiting groove is arranged on a side of the holding handle away from the needle head, and when the puncture needle does not perform the puncture operation, the anti-puncture rod moves into the first limiting groove, so as to limit the anti-puncture rod through the first limiting groove; The second limiting groove is arranged on a side of the holding handle close to the needle head. When the puncture needle completes the puncture operation, the anti-puncture rod moves into the second limiting groove to limit the anti-puncture rod through the second limiting groove.

3. The puncture needle according to claim 2, characterized in that: The first limiting groove is arranged far away from the main body, and the second limiting groove is arranged close to the main body; A slide groove is provided on the holding handle, a slide rod is provided in the slide groove, and the anti-puncture rod is movably connected to the slide rod. When the puncture needle does not perform the puncture operation, the anti-puncture rod moves along the slide rod and rotates around the slide rod so that the anti-puncture rod enters the first limiting groove. When the puncture needle completes the puncture operation, the anti-puncture rod moves along the slide rod and rotates around the slide rod so that the anti-puncture rod enters the second limiting groove and the anti-puncture groove is sleeved with the needle head.

4. The puncture needle according to claim 2, characterized in that: The first limiting groove is provided with either a first protrusion or a first groove, and the anti-puncture rod is provided with the other of the first protrusion or the first groove at a position corresponding to the first limiting groove, and the first protrusion is used to be inserted into the first groove when the puncture needle has not completed the puncture operation, so as to fix the anti-puncture rod; Either a second protrusion or a second groove is arranged in the second limiting groove, and the other of the second protrusion or the second groove is arranged on the anti-puncture rod at a position corresponding to the second limiting groove, and the second protrusion is used to be inserted into the second groove after the puncture needle completes the puncture operation, so as to fix the anti-puncture rod.

5. The puncture needle according to claim 4, characterized in that: There are at least two first protrusions and at least two first grooves, and one first protrusion is arranged corresponding to one first groove; There are at least two second protrusions and at least two second grooves, and one second protrusion is arranged correspondingly to one second groove.

6. The puncture needle according to claim 1, characterized in that: The main body is provided with a holder, which is arranged on a side of the main body away from the needle head, and is used to fix the anti-puncture rod when the puncture needle has not completed the puncture operation.

7. The puncture needle according to claim 1, characterized in that: An adsorption cavity is arranged in the puncture-proof groove, and the adsorption cavity is filled with an adsorption component, and the adsorption component is used to adsorb the liquid remaining in the needle.

8. The puncture needle according to claim 7, characterized in that: The adsorption component is adsorption cotton.

9. The puncture needle according to claim 1, characterized in that: The main body includes an infusion head, an infusion tube and a transition tube; The infusion head is provided with a flow channel, the needle is at least partially inserted into the flow channel, and the holding handle is provided on the infusion head; One end of the infusion tube is fixedly connected to the infusion head and communicates with the flow channel; The transition tube is connected to the other end of the infusion tube and communicates with the infusion tube. The transition tube is used to connect an external medicine liquid tube.

10. The puncture needle according to claim 1, characterized in that: The anti-stab rod is made of any one of silicone material and polyvinyl chloride material.

Images