Puncture needle clamping device
By designing a limiting and rotating fixing mechanism for the puncture needle clamping device, the problems of accuracy and stability during robotic arm puncture were solved, enabling efficient and safe assembly and disassembly of the puncture needle, improving the accuracy and stability of puncture, and reducing the risk of contamination.
Patent Information
- Application Number
- CN202422623523.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-10-30
AI Technical Summary
Existing needle clamping devices lack precision and stability during automated puncture by robotic arms, and are difficult to disassemble and replace, affecting puncture results and increasing the risk of contamination.
A puncture needle clamping device was designed, including a fixing and limiting mechanism and a puncture needle assembly. The puncture needle is limited and fixed by the limiting area and the rotating fixing component to ensure that it moves in the horizontal direction. Combined with the detachable clamping and limiting component and the puncture groove, the accuracy and stability of puncture are improved, and the risk of contamination is reduced.
It improves the accuracy and stability of puncture, reduces the possibility of puncture needle deviation and contamination, and facilitates the disassembly and replacement of the device, thereby improving work efficiency.
Smart Images

Figure CN223464088U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to puncture needle technical field, especially a puncture needle clamping device. BACKGROUND
[0002] At present, manual puncture has great limitations, and is dependent on the experience of doctors, and the inaccuracy of puncture caused by human factors can even lead to multiple needle insertion problems, and automatic puncture using a mechanical arm can improve the accuracy and stability of puncture. However, when using a mechanical arm for puncture, the existing clamping device has insufficient precision and stability, which greatly affects the puncture effect. The puncture needle clamping device, as a medical device that may be contaminated, needs postoperative sterilization and disinfection. However, the clamping device is not easy to disassemble and replace, which also causes inconvenience in puncture diagnosis and treatment.
[0003] To solve the above problems, a puncture needle clamping device is invented, which has small size, high precision, good stability, simple disassembly and assembly, and greatly improves the working efficiency of puncture surgery. SUMMARY
[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] In view of the above or existing problems in the prior art, the utility model is proposed.
[0006] Therefore, the purpose of the utility model is to provide a puncture needle clamping device which can limit and fix the puncture needle, make it move horizontally towards the working direction, improve the accuracy and stability of puncture, and also ensure that the clamping device is not contaminated, disassembly is convenient, and stability is improved.
[0007] To solve the above technical problems, the utility model provides the following technical scheme: a puncture needle clamping device, comprising a fixed limiting mechanism and a puncture needle assembly; the puncture needle assembly is arranged on the fixed limiting mechanism, and the puncture needle assembly can limit and fix the puncture needle assembly, and the puncture needle assembly can move horizontally on the fixed limiting mechanism.
[0008] As a preferred scheme of the puncture needle clamping device of the utility model, the fixed limiting mechanism comprises a support assembly and a rotating fixing assembly; a limiting area is formed on the support assembly, the puncture needle assembly is arranged in the limiting area, and the rotating fixing assembly can rotate to fix the puncture needle assembly in the limiting area.
[0009] As an improved scheme of the puncture needle clamping device, the puncture needle assembly can move horizontally along the two sides of the limiting area.
[0010] As an improved scheme of the puncture needle clamping device, the puncture needle assembly comprises a clamping limiting piece and a puncture needle, and the puncture needle is arranged on the clamping limiting piece and can move on the clamping limiting piece.
[0011] As an improved scheme of the puncture needle clamping device, the limiting area comprises a clamping area arranged in a concave shape, the clamping limiting piece can be arranged in the clamping area, and the clamping area can limit the movement of the clamping limiting piece.
[0012] As an improved scheme of the puncture needle clamping device, the upper end of the two sides of the supporting assembly is further provided with a puncture notch, and the puncture needle can move in the puncture notch.
[0013] As an improved scheme of the puncture needle clamping device, the rotating fixing assembly comprises a rotating supporting piece, an elastic pushing piece and a rotating fixing piece, the elastic pushing piece and the rotating fixing piece are arranged on the rotating supporting piece, the elastic pushing piece is arranged on the side close to the supporting assembly and on the inner side of the rotating fixing piece, and the elastic pushing piece can push the rotating fixing piece to rotate along the rotating supporting piece and tightly fix the puncture needle assembly in the limiting area.
[0014] As an improved scheme of the puncture needle clamping device, the elastic pushing piece comprises an elastic piece and an elastic fixing end, the elastic piece is sleeved on the rotating supporting piece, the elastic fixing end is arranged on the side of the supporting assembly, one end of the elastic piece is connected with the elastic fixing end, and the other end is connected with the inner side of the rotating supporting piece.
[0015] As an improved scheme of the puncture needle clamping device, the rotating fixing piece comprises a rotating plate, the rotating plate is provided with an arc-shaped covering area, and the arc-shaped covering area can fix the limiting area.
[0016] As an improved scheme of the puncture needle clamping device, the clamping limiting piece comprises a limiting block, the limiting block can limit the movement direction of the puncture needle, the upper end of the limiting block is provided with a circular arc limiting end, the lower end of the limiting block is provided with a clamping limiting end, and the limiting area can limit the movement of the limiting block.
[0017] The utility model discloses the beneficial effect has: the utility model discloses through the limiting area can be positioned to the puncture needle assembly, through the rotation of fixed assembly and can be positioned to the puncture needle assembly in the limiting area of the compression fixed of rotation, can make puncture slot mouth with setting simultaneously, can make puncture needle horizontal movement, has guaranteed good stability when the mechanical arm is punctured, avoided the situation of the deviation in the puncture process, reduced the possibility of the pollution of clamping device simultaneously, and this device can improve the precision and stability of puncture in addition to, also convenient to dismount replacement, improve work efficiency greatly. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings. Among them:
[0019] Figure 1 It is the clamping state schematic drawing of puncture needle clamping device.
[0020] Figure 2 It is the loosening state schematic drawing of puncture needle clamping device.
[0021] Figure 3 It is the puncture needle assembly disengagement fixed limiting mechanism schematic drawing of puncture needle clamping device.
[0022] Figure 4 It is the explosion schematic drawing of puncture needle clamping device. DETAILED DESCRIPTION
[0023] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the following specific embodiment of the utility model is explained in detail with the drawing of the specification.
[0024] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description herein, and those skilled in the art can make similar generalization without violating the connotation of the utility model, therefore, the utility model is not limited by the following disclosed specific embodiments.
[0025] Secondly, the "one embodiment" or "embodiment" referred to here means that the specific features, structures or characteristics can be included in at least one implementation of the utility model. "In one embodiment" does not mean the same embodiment in different places in this specification, nor is it an independent or alternative embodiment that excludes other embodiments.
[0026] Embodiment 1
[0027] Referring to Figures 1-2 For the first embodiment of the utility model, the embodiment provides a puncture needle clamping device, which comprises a fixed limiting mechanism 1 and a puncture needle assembly 2, the fixed limiting mechanism 1 can be set to limit and fix the puncture needle assembly 2, and the stability and precision during the puncture of the mechanical arm are guaranteed.
[0028] Specifically, the fixed limiting mechanism 1 and the puncture needle assembly 2 are included, the puncture needle assembly 2 is arranged on the fixed limiting mechanism 1, the fixed limiting mechanism 1 can limit the puncture needle assembly 2, and the puncture needle assembly 2 can move horizontally on the fixed limiting mechanism 1.
[0029] Preferably, the fixed limiting mechanism 1 is arranged on the mechanical arm, so that the puncture needle assembly 2 can stably puncture under the driving of the mechanical arm, the inaccuracy of manual puncture is avoided, and the work efficiency is improved.
[0030] To sum up, the fixed limiting mechanism 1 can limit the puncture needle assembly 2, and the puncture needle assembly 2 can move horizontally, the precision and stability during the automatic puncture of the machine are realized, and the possibility that the clamping device is polluted is reduced.
[0031] Embodiment 2
[0032] Referring to Figures 1-4 For the second embodiment of the utility model, in the previous embodiment, the puncture needle clamping device comprises a fixed limiting mechanism 1 and a puncture needle assembly 2, the fixed limiting mechanism 1 can be set to limit and fix the puncture needle assembly 2, and the stability and precision during the puncture of the mechanical arm are guaranteed.
[0033] Specifically, the fixed limiting mechanism 1 and the puncture needle assembly 2 are included, the puncture needle assembly 2 is arranged on the fixed limiting mechanism 1, the fixed limiting mechanism 1 can limit the puncture needle assembly 2, and the puncture needle assembly 2 can move horizontally on the fixed limiting mechanism 1.
[0034] Preferably, the fixed limiting mechanism 1 is arranged on the mechanical arm, so that the puncture needle assembly 2 can stably puncture under the driving of the mechanical arm, the inaccuracy of manual puncture is avoided, and the work efficiency is improved.
[0035] Further, the fixed limiting mechanism 1 comprises a supporting assembly 11 and a rotating fixing assembly 12, the limiting area 13 is formed in the supporting assembly 11, the puncture needle assembly 2 is arranged in the limiting area 13, and the rotating fixing assembly 12 can rotate to fix the puncture needle assembly 2 in the limiting area 13.
[0036] The bottom of the supporting assembly 11 is connected with the mechanical arm, and the supporting assembly 11 can support the rotating fixing assembly 12.
[0037] The upper end of the supporting assembly 11 is provided with a limiting area 13, the puncture needle assembly 2 is arranged in the limiting area 13, and the rotating fixing assembly 12 is used for rotating and covering the limiting area 13, so that the puncture needle assembly 2 cannot deviate during work, and the puncture needle 22 only moves horizontally in the working direction.
[0038] Further, the puncture needle assembly 2 can move horizontally along the two sides of the limiting area 13.
[0039] Preferably, the puncture needle 22 moves or retreats in the working direction through the limiting area 13.
[0040] Further, the puncture needle assembly 2 comprises the clamping limiting piece 21 and the puncture needle 22, the puncture needle 22 is arranged on the clamping limiting piece 21, and the puncture needle 22 can move on the clamping limiting piece 21.
[0041] Preferably, the clamping limiting piece 21 is arranged as a sterile consumable product, is a disposable component, is removed and replaced with use, and improves patient safety, is easy to use, and reduces maintenance.
[0042] Preferably, the puncture needle 22 can pass through the clamping limiting piece 21, the puncture needle 22 can slide on the clamping limiting piece 21, the clamping limiting piece 21 limits the moving direction of the puncture needle 22, and the precision and stability of puncture are ensured.
[0043] Further, the limiting area 13 comprises a recessed clamping area 131, the clamping limiting piece 21 is arranged in the clamping area 131, and the clamping area 131 limits the movement of the clamping limiting piece 21.
[0044] Preferably, the recessed clamping area 131 can limit the movement of the clamping limiting piece 21, so that the puncture needle 22 slides on the clamping limiting piece 21 and the puncture slot 132, and deviation and misplacement are avoided.
[0045] Further, the upper end of the two sides of the supporting assembly 11 is also provided with a puncture slot 132, and the puncture needle 22 can move in the puncture slot 132.
[0046] Preferably, the puncture slot 132 is arranged on the upper end of the two sides of the clamping area 131, limits the moving direction of the puncture needle 22, avoids misplacement, and prevents errors in puncture position.
[0047] Further, the rotating fixing assembly 12 comprises a rotating support 121, an elastic pushing piece 122 and a rotating fixing piece 123; the elastic pushing piece 122 and the rotating fixing piece 123 are arranged on the rotating support 121, the elastic pushing piece 122 is arranged on the side close to the supporting assembly 11 and on the inner side of the rotating fixing piece 123; the elastic pushing piece 122 can push the rotating fixing piece 123 to rotate along the rotating support 121 and to press and fix the puncture needle assembly 2 in the limiting area 13.
[0048] Preferably, the rotating support 121 comprises a support shaft, and the elastic pushing piece 122 and the rotating fixing piece 123 are supported by the rotating support 121.
[0049] Preferably, the rotating fixing piece 123 can press and fix the puncture needle assembly 2 in the limiting area 13 through the elastic pushing piece 122.
[0050] Further, the elastic pushing piece 122 comprises an elastic piece 1221 and an elastic fixing end 1222; the elastic piece 1221 is sleeved on the rotating support 121, the elastic fixing end 1222 is arranged on the side of the supporting assembly 11, one end of the elastic piece 1221 is connected with the elastic fixing end 1222, and the other end is connected with the inner side of the rotating support 121.
[0051] Preferably, the elastic fixing end 1222 is fixedly arranged on the side of the supporting assembly 11.
[0052] Preferably, the elastic piece 1221 can be a spring or an elastic device in the prior art, as long as it can push the rotating fixing piece 123 to rotate to engage the limiting area 13.
[0053] Preferably, the two ends of the elastic piece 1221 are fixedly connected with the rotating support 121 and the elastic fixing end 1222, so that the elastic piece 1221 can move the rotating support 121 to engage and fix the limiting area 13.
[0054] Further, the rotating fixing piece 123 comprises a rotating plate 1231, and the rotating plate 1231 is provided with an arc-shaped covering area 1232; the arc-shaped covering area 1232 can fix the limiting area 13.
[0055] Preferably, the arc-shaped covering area 1232 is fixed on the clamping limiting piece 21 in the limiting area 13 through the rotation of the rotating plate 1231, so that the clamping limiting piece 21 will not fall off.
[0056] Further, the clamping limiting part 21 comprises a limiting block 211, the limiting block 211 can limit the moving direction of the puncture needle 22; the upper end of the limiting block 211 is provided with a circular arc limiting end, and the lower end of the limiting block 211 is provided with a clamping limiting end, and the limiting area 13 can limit the movement of the limiting block 211.
[0057] Preferably, by setting the upper end of the limiting block 211 as the circular arc limiting end, the arc-shaped cover area 1232 can be well adapted, thereby preventing the displacement of the limiting block 211 in the automatic puncture process, and the concave clamping area 131 can well fix the upper end and the lower end of the limiting block 211, and the clamping area 131 can fix the circular arc limiting end and the clamping limiting end on the limiting block 211 respectively.
[0058] In summary, the utility model discloses a limiting area 13 can limit the puncture needle assembly 2, and the rotation of the rotation fixing assembly 12 can compress and fix the puncture needle assembly 2 in the limiting area 13, and the setting puncture slot 132 can make the puncture needle 22 move horizontally, which ensures good stability when the mechanical arm punctures, avoids the deviation in the puncture process, reduces the possibility of pollution of the clamping device, and the device can improve the puncture precision and stability, is convenient to disassemble and replace, and greatly improves the work efficiency.
[0059] Importantly, it should be noted that the constructions and arrangements of the present application shown in the various example embodiments are illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed or re-sequenced without departing from the scope of the application. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the example embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to the particular embodiments described but extends to the scope of the appended claims.
[0060] Furthermore, in the interest of providing a concise description of illustrative embodiments, not all features of an actual implementation can be described (i.e., those pertaining to the
[0061] It will be appreciated that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.
[0062] It should be noted that the above-mentioned embodiments are only used to illustrate the technical solutions of the present application, not limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the spirit and scope of the present application, and they should be covered in the scope of the claims of the present application.
Claims
1. A puncture needle holding device characterized by: Including fixed limiting mechanism (1), and puncture needle assembly (2), puncture needle assembly (2) is arranged on fixed limiting mechanism (1), puncture needle assembly (2) can be limited to puncture needle assembly (2), puncture needle assembly (2) can be moved horizontally on fixed limiting mechanism (1).
2. The puncture needle holding device according to claim 1, wherein: The fixed limiting mechanism (1) includes a support assembly (11) and a rotary fixing assembly (12); the support assembly (11) is provided with a limiting area (13), the puncture needle assembly (2) is arranged in the limiting area (13), and the rotary fixing assembly (12) can rotate to fix the puncture needle assembly (2) in the limiting area (13).
3. The puncture needle holding device according to claim 2, wherein: The puncture needle assembly (2) can move horizontally along the two sides of the limiting area (13).
4. The puncture needle holding device according to claim 2 or 3, characterized in that: The puncture needle assembly (2) includes a clamping limiting piece (21) and a puncture needle (22); the puncture needle (22) is arranged on the clamping limiting piece (21), and the puncture needle (22) can move on the clamping limiting piece (21).
5. The puncture needle holding device according to claim 4, wherein: The limiting area (13) includes a recessed clamping area (131), the clamping limiting piece (21) can be arranged in the clamping area (131), and the clamping area (131) can limit the movement of the clamping limiting piece (21).
6. The puncture needle holding device according to claim 5, wherein: The support assembly (11) is further provided with a puncture notch (132) on the upper end of the two sides, and the puncture needle (22) can move in the puncture notch (132).
7. The puncture needle holding device according to claim 2 or 3, wherein: The rotary fixing assembly (12) includes a rotary support (121), an elastic pushing piece (122) and a rotary fixing piece (123); the elastic pushing piece (122) and the rotary fixing piece (123) are arranged on the rotary support (121), the elastic pushing piece (122) is arranged on the side close to the support assembly (11) and on the inner side of the rotary fixing piece (123); the elastic pushing piece (122) can push the rotary fixing piece (123) to rotate along the rotary support (121) and tightly fix the puncture needle assembly (2) in the limiting area (13).
8. The puncture needle holding device according to claim 7, wherein: The elastic pushing piece (122) includes an elastic piece (1221) and an elastic fixing end (1222); the elastic piece (1221) is sleeved on the rotary support (121), the elastic fixing end (1222) is arranged on the side of the support assembly (11), one end of the elastic piece (1221) is connected with the elastic fixing end (1222), and the other end is connected with the inner side of the rotary support (121).
9. The puncture needle holding device according to claim 7, wherein: The rotary fixing piece (123) includes a rotary plate (1231), and the rotary plate (1231) is provided with an arc-shaped covering area (1232); the arc-shaped covering area (1232) can fix the limiting area (13).
10. The puncture needle holding device according to claim 4, wherein: The clamping limiting piece (21) includes a limiting block (211), which can limit the movement direction of the puncture needle (22); the limiting block (211) is provided with a circular arc limiting end on the upper end, and is provided with a clamping limiting end on the lower end; the limiting area (13) can limit the movement of the limiting block (211).