Hollow flat head stripping push injection needle

Abstract

The utility model discloses a hollow flat head stripping push injection needle, and relates to the technical field of medical instruments. A needle head of the hollow flat-head stripping injection needle is fixedly connected to one end of a connecting part, and the other end of the connecting part is used for being connected with an injector; the needle head comprises a stripping end and an infusion end, the infusion end is of a cylindrical structure and is hollow, and the stripping end is of a flat cylindrical structure and is hollow; one end of the infusion end is fixed on the connecting part, the other end of the infusion end is connected with the stripping end, and the joint is sealed and fixed. Through the fixed needle head and the connecting part, the needle head can be connected to an injector through the connecting part, the needle head is divided into two sections, one section is the stripping end with the flat front end and can be used for stripping operation in the operation process, the stripping end and the infusion end are each of a hollow structure, and injection operation can be completed through cooperation of the stripping end and the infusion end; a doctor can complete the operations of stripping and injection only by operating one needle, so that the operation difficulty is reduced, the operation efficiency is improved, and the pain of a patient can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a hollow flat head stripping and injection needle. BACKGROUND

[0002] The stripping and injection needle is a kind of medical operation tool, usually used in minimally invasive surgery, with stripping and injection two functions.The design of this tool aims to complete the separation of tissue and drug injection task in surgery by single device, to reduce the trauma and pain of patient in the operation process.

[0003] In current operation, doctor usually needs to use two different needles to carry out stripping and injection operation, which not only increases the complexity of operation, but also prolongs the operation time.Multiple needle pricking not only increases the discomfort of patient, but also can cause more tissue damage and prolong postoperative recovery time.The separation of separation and injection operation requires doctor to frequently change tools in the operation process, which reduces the operation efficiency and increases the operation risk. UTILITY MODEL CONTENT

[0004] Therefore, the utility model embodiment provides a hollow flat head stripping and injection needle to solve the problems existing in the prior art.

[0005] In order to realize the above-mentioned purpose, the utility model embodiment provides the following technical scheme:

[0006] A hollow flat head stripping and injection needle, comprising needle head and connecting part, the needle head is fixedly connected to one end of connecting part, the other end of connecting part is used for connecting syringe;

[0007] The needle head includes stripping end and infusion end, the infusion end is cylindrical structure, hollow inside, used for conveying liquid medicine, the stripping end is flat cylindrical structure, hollow inside, used for conveying liquid medicine and surgical stripping;One end of the infusion end is fixedly connected to the connecting part, the other end of the infusion end is connected with the stripping end, and the connecting part is sealingly fixed.

[0008] Optionally, the infusion end and the stripping end are integrally formed.

[0009] Optionally, a guide groove is arranged on the side wall of the needle head infusion end.

[0010] Optionally, the length of the needle head is 70mm, and the length of the stripping end is 5mm.

[0011] Optionally, a plurality of marks are arranged on the infusion end of the needle head at equal intervals.

[0012] The utility model has at least the following beneficial effects:

[0013] The utility model discloses a fixed connection needle head and connecting portion, connecting portion can connect needle head on syringe, needle head is divided into two sections, one section is the peeling end of front end flat, can be used for peeling operation in the operation process, and the peeling end and infusion end are all hollow structure, both can complete the operation of injection simultaneously, and the doctor only needs to operate a needle head to complete the operation of peeling and injection, reduces the operation difficulty, improves operation efficiency, and can reduce the pain of patient. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to make the prior art and the utility model more clearly, the following will be briefly introduced the drawings needed to be used in the prior art and the utility model embodiment description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative labor.

[0015] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, for understanding and reading by those skilled in the art, and are not used to limit the implementation conditions of the utility model, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose of the utility model, should still fall within the scope of the disclosed technology.

[0016] Fig. 1 It is the first view structural schematic drawing of an embodiment of the utility model;

[0017] Fig. 2 It is the second view structural schematic drawing of an embodiment of the utility model;

[0018] Fig. 3 It is the third view structural schematic drawing of an embodiment of the utility model.

[0019] Mark explanation:

[0020] 1, needle head; 101, peeling end; 102, infusion end; 2, connecting portion; 3, mark. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the application more clearly, the following will be further described in detail by combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the application, and are not used to limit the application.

[0022] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two. The terms "first", "second", "third", "fourth" and the like (if any) in the description and claims of the utility model and the above-mentioned drawings are intended to distinguish the objects referred to. For the scheme with time sequence flow, this kind of term expression mode is not necessarily understood as describing a specific order or sequence, and for the scheme of device structure, this kind of term expression mode does not exist distinction such as importance or position relationship.

[0023] In addition, the terms "include", "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or equipment including a series of steps or units does not have to be limited to those steps or units explicitly listed, but can also include other steps or units inherent to these processes, methods, products or equipment, or steps or units added based on further optimization of the utility model concept.

[0024] As shown in Figs. 1-3 A hollow flat head stripping and bolus injection needle disclosed by the utility model, including needle 1 and connecting part 2, the needle 1 is fixedly connected to one end of connecting part 2, and the other end of connecting part 2 is used for connecting a syringe;

[0025] The needle 1 includes stripping end 101 and infusion end 102, the infusion end 102 is a cylindrical structure, hollow inside, used for conveying liquid medicine, the stripping end 101 is a flat cylindrical structure, hollow inside, used for conveying liquid medicine and surgical stripping, one end of the infusion end 102 is fixedly connected to the connecting part 2, and the other end of the infusion end 102 is connected with the stripping end 101, and the connecting part is sealingly fixed.

[0026] The needle 1 is of medical stainless steel material, and the needle 1 is divided into two sections, namely the stripping end 101 and the infusion end 102, the stripping end 101 is a flat structure, can perform stripping operation, and the two ends of the stripping end 101 are throughly arranged, so that liquid medicine can be conveyed, the infusion end 102 is a conventional needle 1 structure, one end of the infusion end 102 is fixed on the connecting part 2, and the specific fixing mode is same as that of the existing syringe needle 1, and details are not described herein, and the other end of the infusion end 102 is fixed on the stripping end 101, and the specific fixing mode can be welding, and polishing is needed after welding to ensure the smoothness and sealing of the inside and outside of the needle 1.

[0027] In addition, in order to improve the sealing and stability of the stripping end 101 and the infusion end 102, the infusion end 102 and the stripping end 101 can be integrally formed.

[0028] The stripping end 101 of the needle 1 is a flat needle tip structure, and the flat side hole is used as a bolus injection hole.

[0029] Further, the side wall of the infusion end 102 of the needle 1 is provided with a flow guide groove.

[0030] The flow guide groove is a groove provided on the side wall of the needle 1 along the axial direction of the needle 1, which can guide blood during the operation to prevent blood from accumulating around the needle 1 and affecting the operation.

[0031] The length of the needle 1 is 70mm, and the length of the stripping end 101 is 5mm.

[0032] The infusion end 102 of the needle 1 is provided with a plurality of marks 3 at equal intervals.

[0033] By providing the marks 3 on the infusion end 102, the insertion depth of the needle 1 can be determined by medical staff, and the marks 3 can also serve as visual aids to help medical staff more accurately position the needle 1 and control injection.

[0034] The above several specific embodiments can be combined with each other, and the same or similar concepts or processes can not be described in some embodiments.

[0035] The technical features of the above embodiments can be combined arbitrarily (as long as the combination of the technical features does not exist contradictory), in order to make the description simple, not all possible combinations of the technical features in the above embodiments are described; these embodiments which are not explicitly written should also be considered as the scope of the present application.

[0036] The utility model has been described in the above by general description and specific embodiments. It should be noted that without departing from the concept of the utility model, it is obvious that some modifications and improvements can be made to these specific embodiments, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A hollow flat-head peelable push needle, characterized by: It includes a needle and a connecting part, wherein the needle is fixedly connected to one end of the connecting part, and the other end of the connecting part is used to connect to the syringe; The needle includes a stripping end and an infusion end. The infusion end is a cylindrical structure with a hollow interior and is used for transporting liquid medicine. The stripping end is a flat cylindrical structure with a hollow interior and is used for transporting liquid medicine and surgical stripping. One end of the infusion end is fixedly connected to the connecting part, and the other end of the infusion end is connected to the stripping end, and the connection is sealed and fixed.

2. The hollow flat-head peelable push needle according to claim 1, characterized in that: The infusion end and the stripping end are integrally formed.

3. The hollow flat-head peelable push needle according to claim 1, characterized in that: A guide groove is provided on the side wall of the needle infusion end.

4. The hollow flat-head peelable push needle according to claim 1, characterized in that: The length of the needle is 70 mm, and the length of the stripping end is 5 mm.

5. The hollow flat-head peelable push needle according to claim 1, characterized in that: Several marks are arranged at equal intervals on the infusion end of the needle.

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