Bone marrow puncture needle capable of keeping stable during puncture

Abstract

The utility model provides a bone marrow puncture needle capable of keeping stable during puncture, and belongs to the technical field of medical auxiliary tools. Comprising a bone marrow puncture needle body, a handle is arranged outside the bone marrow puncture needle body, an operator can hold the puncture needle through the handle so as to improve stability, and the dismounting assembly is used for dismounting the handle and connected with the bone marrow puncture needle body. According to the bone marrow puncture needle, an operator can hold the puncture needle more stably during puncture through the grip arranged outside the bone marrow puncture needle body, and inaccurate puncture or patient injury caused by hand sliding or shaking is avoided. By means of the design, the stability and safety of puncture operation can be remarkably improved, an operator feels more comfortable during holding due to the design of the limiting part at the bottom of the grip and the smooth part at the top of the grip, better hand supporting can be provided, and the stability and accuracy of puncture operation are further improved. The utility model discloses a novel structure.

Description

Technical Field

[0001] The utility model relates to the technical field of medical auxiliary tools, in particular to a bone marrow puncture needle which can maintain stability during puncture. Background Art

[0002] In the prior art, a puncture needle is required for clinical bone marrow puncture. The existing puncture needle mainly includes a needle body, a needle core and a needle.

[0003] A bone marrow puncture needle proposed in the utility model patent with announcement number CN 203953761 U can eject the needle core by rotating it when the needle core needs to be pulled out, thereby preventing medical staff from causing the needle body to vibrate during the removal process. It is also applicable to inexperienced medical staff, avoiding pain to patients and having a positive effect on treatment.

[0004] However, in actual use, the bone marrow puncture needle needs to be inserted into the patient's bone with force, and there are two types of manual and electric insertion. Usually, the bone marrow puncture needle needs to be held on the outside to keep it stable during insertion. The cylindrical outer shell in the above case makes it very inconvenient for the doctor to hold it, and it is easy to have the problem of unstable grip. The utility model provides a bone marrow puncture needle that can remain stable during puncture to meet the needs. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a bone marrow puncture needle which can keep stable during puncture.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A bone marrow puncture needle that can remain stable during puncture includes a bone marrow puncture needle body, a handle is arranged on the outside of the bone marrow puncture needle body, the handle is used for an operator to hold the puncture needle to improve stability, and a disassembly component is used to disassemble the handle, and the disassembly component is connected to the bone marrow puncture needle body.

[0008] Optionally, the disassembly assembly includes a fixing plate fixedly connected to the outside of the bone marrow puncture needle body, a group of symmetrically arranged connecting parts are fixedly connected to the inside of the fixing plate, one end of the connecting part is provided with a clamping part, and one side of the handle is provided with a clamping groove adapted to the disassembly assembly.

[0009] Optionally, a weakening groove is provided on one side of the connecting portion.

[0010] Optionally, a deformation cavity is provided inside the clamping portion, and a guide surface is provided outside the clamping portion.

[0011] Optionally, there are two handles, and the two handles are symmetrically arranged on both sides of the bone marrow puncture needle body.

[0012] Optionally, a limiting portion is provided at the bottom of the handle, and the limiting portion is in a curved shape. A rounded portion is provided at the top of the handle, and the rounded portion is in an arc shape.

[0013] Optionally, a puncture end is provided at the bottom end of the bone marrow puncture needle body, and a scale groove is provided on the outside of the puncture end.

[0014] Compared with the prior art, the utility model has at least the following beneficial effects:

[0015] In the above scheme, by setting the handle outside the bone marrow puncture needle body, the operator can hold the puncture needle more stably during puncture, avoiding inaccurate puncture or injury to the patient due to hand slippage or shaking. This design can significantly improve the stability and safety of the puncture operation. The limit part at the bottom of the handle and the rounded part at the top make the operator more comfortable when holding it, and can provide better hand support, further improving the stability and accuracy of the puncture operation.

[0016] The introduction of the disassembly assembly makes it easy to disassemble and install the handle and the bone marrow puncture needle body. This is not only convenient for cleaning and maintenance, but also flexible in certain situations, such as when different types of handles need to be replaced or aseptic processing is required. The design of the fixing plate, the connecting part, the clamping part, and the clamping groove on the handle makes the installation and removal process of the handle simple and quick, without the need for additional tools or complicated operating steps, thus improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the present invention and enable those skilled in the relevant art to make and use the present invention.

[0018] Figure 1 A schematic diagram of the three-dimensional structure of a bone marrow puncture needle that can remain stable during puncture;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the disassembled components;

[0020] Figure 3 A cross-sectional view of the disassembled assembly.

[0021] [reference numerals]

[0022] 1. Bone marrow puncture needle body; 2. Puncture end; 3. Fixing plate; 4. Disassembly assembly; 401. Connecting part; 402. Weakened groove; 403. Deformation cavity; 404. Clamping part; 405. Guide surface; 5. Handle; 501. Limiting part; 502. Smooth part.

[0023] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0024] The following is a detailed description of a bone marrow puncture needle provided by the utility model that can maintain stability during puncture in combination with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternative methods to implement some known technologies; and the accompanying drawings are only for a more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0025] It should be noted that the references to "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0026] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0027] It is to be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers, and “on” or “above” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers.

[0028] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0029] like Figures 1 to 3 As shown, the embodiment of the utility model provides a bone marrow puncture needle that can maintain stability during puncture, including a bone marrow puncture needle body 1, a handle 5 is arranged on the outside of the bone marrow puncture needle body 1, and the handle 5 is used for the operator to hold the puncture needle to improve stability. There are two handles 5, and the two handles 5 are symmetrically arranged on both sides of the bone marrow puncture needle body 1. A limiting portion 501 is arranged at the bottom of the handle 5, and the limiting portion 501 is curved. A smooth portion 502 is arranged on the top of the handle 5, and the smooth portion 502 is arc-shaped. The bottom end of the bone marrow puncture needle body 1 is provided with a puncture end 2, and the outside of the puncture end 2 is provided with a scale groove; the operator is in the correct position Before puncture, hold the two handles 5 with both hands to ensure the stability of the puncture needle. The curved limit portion 501 ensures the stability of holding, and can maintain a stable hold even in the case of long-term operation or sweaty hands. The arc-shaped smooth portion 502 provides the operator with a comfortable holding experience and reduces hand fatigue. Through the two symmetrically arranged handles 5, the operator can hold the puncture needle stably with both hands to avoid inaccuracies caused by hand shaking or sliding during the puncture process. The curved limit portion 501 at the bottom of the handle 5 provides better holding stability, while the arc-shaped smooth portion 502 at the top increases the comfort of holding.

[0030] In this embodiment, if Figures 1 to 3As shown, a disassembly assembly 4 is used to disassemble the handle 5. The disassembly assembly 4 is connected to the bone marrow puncture needle body 1. The disassembly assembly 4 includes a fixing plate 3 fixedly connected to the outside of the bone marrow puncture needle body 1. A group of symmetrically arranged connecting parts 401 are fixedly connected inside the fixing plate 3. A clamping part 404 is provided at one end of the connecting part 401. A clamping groove adapted to the disassembly assembly 4 is provided on one side of the handle 5. A weakening groove 402 is provided on one side of the connecting part 401. A deformation cavity 403 is provided inside the clamping part 404. A guide surface 405 is provided on the outside of the clamping part 404. When it is necessary to disassemble the handle 5, first ensure that the bone marrow puncture needle body 1 is in a safe and stable state, check the various parts of the disassembly assembly 4, ensure that the fixing plate 3, the connecting portion 401, the clamping portion 404 and the clamping groove of the handle 5 are in good condition, and the operator holds the two handles 5 with both hands respectively, and gently pulls them outward to disengage the clamping portion 404 from the clamping groove of the handle 5. During the pulling process, due to the design of the weakened groove 402 on one side of the connecting portion 401, the connecting portion 401 will generate stress concentration at this location, which is convenient for bending. At the same time, the shape of the inside of the clamping portion 404 is The variable cavity 403 and the external guide surface 405 work together to enable the clamping portion 404 to deform smoothly when it is separated from the clamping groove, thereby reducing resistance. When the clamping portion 404 is completely separated from the clamping groove, the handle 5 can be removed from the bone marrow puncture needle body 1. If necessary, the handle 5 or the connecting portion 401 on the fixing plate 3 can be further cleaned or maintained. The fixing plate 3 is fixedly connected to the outside of the bone marrow puncture needle body 1 to provide a stable installation foundation for the disassembly component 4. The connecting portion 401 is symmetrically arranged inside the fixing plate 3 to ensure that the handle 5 can be obtained on both sides. Stable connection. The design of the snap-in portion 404 enables the grip 5 to be firmly connected to the connecting portion 401 through the snap-in groove, ensuring the stability of the grip 5 during the puncture process. The compatibility of the snap-in portion 404 and the snap-in groove makes the connection both firm and easy to disassemble. The design of the weakened groove 402 enables the connecting portion 401 to generate stress concentration at this location when disassembly is required, facilitating deformation, thereby achieving rapid disassembly of the grip 5. The coordinated use of the deformation cavity 403 and the guide surface 405 enables the snap-in portion 404 to be deformed smoothly when it is out of the snap-in groove, reducing resistance during the disassembly process.

[0031] It should be noted that the internal structure of the bone marrow puncture needle body 1 of the above solution is prior art and therefore will not be described in detail.

[0032] The working principle provided by the utility model is that before the operator prepares for puncture, he holds the two handles 5 with both hands to ensure the stability of the puncture needle. The curved limit part 501 ensures the stability of the grip, and can maintain the stability of the grip even in the case of long-term operation or sweaty hands. The arc-shaped smooth part 502 provides a comfortable grip experience for the operator and reduces hand fatigue. Through the two symmetrically arranged handles 5, the operator can hold the puncture needle stably with both hands to avoid inaccuracies caused by hand shaking or sliding during the puncture process. The curved limit part 501 at the bottom of the handle 5 provides a better grip. The arc-shaped smooth part 502 at the top increases the comfort of holding. When the handle 5 needs to be disassembled, first ensure that the bone marrow puncture needle body 1 is in a safe and stable state, check the various parts of the disassembly component 4, ensure that the fixing plate 3, the connecting part 401, the clamping part 404 and the clamping groove of the handle 5 are in good condition, and the operator holds the two handles 5 with both hands respectively, and gently pulls them outward to disengage the clamping part 404 from the clamping groove of the handle 5. During the pulling process, due to the design of the weakened groove 402 on one side of the connecting part 401, the connecting part 401 will generate stress concentration at this place, which is convenient for At the same time, the deformation cavity 403 inside the clamping part 404 and the external guide surface 405 work together to enable the clamping part 404 to deform smoothly when it is separated from the clamping groove, reducing resistance. When the clamping part 404 is completely separated from the clamping groove, the grip 5 can be removed from the bone marrow puncture needle body 1. If necessary, the grip 5 or the connecting part 401 on the fixing plate 3 can be further cleaned or maintained. The fixing plate 3 is fixedly connected to the outside of the bone marrow puncture needle body 1 to provide a stable installation foundation for the disassembly component 4. The connecting part 401 is symmetrically arranged inside the fixing plate 3 to ensure that the grip 5 is removed from the bone marrow puncture needle body 1. The handle 5 can be stably connected on both sides. The design of the snap-in portion 404 enables the handle 5 to be firmly connected to the connecting portion 401 through the snap-in groove, ensuring the stability of the handle 5 during the puncture process. The compatibility of the snap-in portion 404 and the snap-in groove makes the connection both firm and easy to disassemble. The design of the weakened groove 402 enables the connecting portion 401 to generate stress concentration at this place when disassembly is required, which is convenient for deformation, thereby realizing rapid disassembly of the handle 5. The coordinated use of the deformation cavity 403 and the guide surface 405 enables the snap-in portion 404 to be deformed smoothly when it is out of the snap-in groove, reducing the resistance during the disassembly process.

[0033] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A bone marrow puncture needle capable of maintaining stability during puncture, comprising a bone marrow puncture needle body (1), characterized in that: A handle (5) is provided on the outside of the bone marrow puncture needle body (1), and the handle (5) is used by the operator to hold the puncture needle to improve stability; A disassembly assembly (4) is used to disassemble the handle (5), and the disassembly assembly (4) is connected to the bone marrow puncture needle body (1).

2. The bone marrow puncture needle capable of maintaining stability during puncture according to claim 1, characterized in that: The disassembly assembly (4) comprises a fixing plate (3) fixedly connected to the outside of the bone marrow puncture needle body (1); a group of symmetrically arranged connecting parts (401) are fixedly connected to the inside of the fixing plate (3); one end of the connecting part (401) is provided with a clamping part (404); and one side of the handle (5) is provided with a clamping groove adapted to the disassembly assembly (4).

3. The bone marrow puncture needle capable of maintaining stability during puncture according to claim 2, characterized in that: A weakening groove (402) is provided on one side of the connecting portion (401).

4. The bone marrow puncture needle capable of maintaining stability during puncture according to claim 2, characterized in that: A deformation cavity (403) is provided inside the clamping portion (404), and a guide surface (405) is provided outside the clamping portion (404).

5. The bone marrow puncture needle capable of maintaining stability during puncture according to claim 1, characterized in that: The number of the handles (5) is two, and the two handles (5) are symmetrically arranged on both sides of the bone marrow puncture needle body (1).

6. The bone marrow puncture needle capable of maintaining stability during puncture according to claim 5, characterized in that: A limiting portion (501) is provided at the bottom of the handle (5), and the limiting portion (501) is in a curved shape. A rounded portion (502) is provided at the top of the handle (5), and the rounded portion (502) is in an arc shape.

7. The bone marrow puncture needle capable of maintaining stability during puncture according to claim 1, characterized in that: The bottom end of the bone marrow puncture needle body (1) is provided with a puncture end (2), and the outside of the puncture end (2) is provided with a scale groove.

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