CN216823603U - Universal puncture needle fixing equipment - Google Patents
Universal puncture needle fixing equipment Download PDFInfo
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- CN216823603U CN216823603U CN202122811876.2U CN202122811876U CN216823603U CN 216823603 U CN216823603 U CN 216823603U CN 202122811876 U CN202122811876 U CN 202122811876U CN 216823603 U CN216823603 U CN 216823603U
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Abstract
The application provides a general pjncture needle fixed equipment includes: the main body block, the driving assembly, the first clamping block and the second clamping block are fixed on the mechanical arm; the driving component is arranged on the main body block; the first clamping block and the second clamping block are oppositely and slidably arranged on the main body block; the driving assembly is connected with the first clamping block and the second clamping block, the first clamping block and the second clamping block are arranged on the main body block in a sliding mode, when the first clamping block and the second clamping block are close to each other, the first limiting groove and the second limiting groove can form a through hole, the puncture needle is fixed in the through hole, the puncture needle can adapt to puncture needles with different diameters through the V-shaped structures of the first limiting groove and the second limiting groove, accordingly, the universality of the utility model is improved, in addition, when the puncture needles with different sizes are replaced, the fixing equipment does not need to be replaced synchronously, and therefore, the use of the fixing equipment can be facilitated.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a universal puncture needle fixing device.
Background
In the treatment of cerebral hemorrhage, a puncture needle is required. Currently, the puncture needle is mostly fixed to the end of the mechanical arm through a fixing device, and then the movement of the puncture needle is controlled through the end of the mechanical arm so as to be positioned to an optimal position, thereby using the puncture needle.
In the prior art, one fixing device generally corresponds to a puncture needle with one diameter, that is, one fixing device can only fix a puncture needle with one diameter, and when the puncture needles with different diameters need to be replaced, the fixing devices with corresponding sizes need to be replaced together. Therefore, the conventional fixing device has the problems of poor universality and troublesome use.
Therefore, there is a need for a solution that can be used to fix puncture needles of different diameters, thereby improving the versatility of the fixation device.
SUMMERY OF THE UTILITY MODEL
The utility model provides a universal puncture needle fixing device, and aims to solve the problems of low universality and troublesome use of the conventional puncture needle fixing device.
The technical scheme adopted by the utility model is as follows: a universal lancet fixture device comprising: the main body block, the driving assembly, the first clamping block and the second clamping block are fixed on the mechanical arm;
The driving component is arranged on the main body block; the first clamping block and the second clamping block are oppositely and slidably arranged on the main body block; the driving assembly is connected with the first clamping block and the second clamping block and is used for driving the first clamping block and the second clamping block to move relatively;
the first clamping block is provided with a first limiting groove on the end surface facing the second clamping block, and the second clamping block is provided with a second limiting groove on the end surface facing the first clamping block; when the first clamping block and the second clamping block are close to each other, the first limiting groove and the second limiting groove form a through hole for fixing the puncture needle.
Furthermore, a differential head is arranged on the main body block; a limiting block used for limiting the installation position of the puncture needle is arranged on the measuring rod of the differential head; the limiting block is provided with a notch.
Furthermore, a second locking bolt for fixing the measuring rod of the differential head is arranged on the main body block;
the differential head is provided with scales.
Furthermore, a guide shaft is arranged on the main body block; the first clamping block and the second clamping block are both mounted on the guide shaft in a sliding mode.
Furthermore, the driving assembly comprises a feeding bolt, a push rod, a first connecting rod, a second connecting rod and a pin shaft; the feeding bolt is installed on the main body block and is in threaded connection with the main body block, and the pin shaft is installed at one end of the feeding bolt; one end of the first connecting rod is hinged with the pin shaft, and the other end of the first connecting rod is hinged with the second clamping block; one end of the second connecting rod is hinged with the pin shaft, and the other end of the second connecting rod is hinged with the first clamping block; the first connecting rod and the second connecting rod are arranged in a V shape and are connected with the pin shaft at an intersection point.
Furthermore, an anti-backlash spring is sleeved on the feeding bolt; when the first clamping block and the second clamping block are close to each other, the feeding bolt extrudes the anti-backlash spring.
Furthermore, a first locking bolt is arranged on the main body block and is in threaded connection with the main body block; the first locking bolt is used for enabling the front end to abut against the feeding bolt so as to fix the feeding bolt.
Furthermore, a knob is arranged at one end of the feeding bolt, which is far away from the pin shaft; scales are arranged on the knob.
Furthermore, a fixing bolt is arranged at one end, provided with a limiting block, of the differential head, and the limiting block is fixedly arranged on the differential head through the fixing bolt.
Furthermore, the cross sections of the first limiting groove and the second limiting groove are both V-shaped; the openings of the first limiting groove and the second limiting groove correspond to each other.
The beneficial effects of the utility model are:
in the application, the first clamping block and the second clamping block are arranged on the main body block in a sliding mode, when the first clamping block and the second clamping block are close to each other, the first limiting groove and the second limiting groove can form a through hole, the puncture needle is fixed in the through hole, the puncture needle can adapt to puncture needles with different diameters through the V-shaped structures of the first limiting groove and the second limiting groove, the universality of the utility model is improved, and in addition, when the puncture needles with different sizes are replaced, the fixing equipment does not need to be replaced synchronously, so that the use of the fixing equipment can be facilitated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a schematic view of a robot arm with a fixture according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the structure of the maximum stroke of the measuring rod of the differential head according to one embodiment of the present invention;
FIG. 4 is a schematic diagram of the structure of zero travel of the measurement rod of the differential head according to one embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a through hole formed by a first clamping block and a second clamping block;
fig. 6 is a schematic structural view of the first clamping block and the second clamping block separating the through hole.
Reference is made to the accompanying drawings in which: 1. puncturing needle; 2. a feed bolt; 3. a backlash eliminating spring; 4. a push rod; 5. differentiating the head; 6. a main body block; 7. a limiting block; 8. fixing the bolt; 9. a first locking bolt; 10. a pin shaft; 11. a guide shaft; 12. a first clamping block; 13. a second clamping block; 14. a second locking bolt; 15. a first link; 16. a second link; 17. a mechanical arm; 18. a through hole.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The utility model provides a universal puncture needle fixing device, and aims to solve the problems of low universality and troublesome use of the conventional puncture needle fixing device.
Referring to fig. 1 to 6, to achieve this object, the present invention provides a universal puncture needle fixing device including: the main body block 6, the driving assembly, the first clamping block 12 and the second clamping block 13; wherein, the main body block 6 is fixed on a mechanical arm 17 or other adjusting mechanisms, and the driving component is arranged on the main body block 6; the first clamping block 12 and the second clamping block 13 are slidably mounted on the main body block 6 and are arranged oppositely; further, the driving assembly is respectively connected with the first clamping block 12 and the second clamping block 13, so as to drive the first clamping block 12 and the second clamping block 13 to approach or move away from each other on the main body block 6; specifically, the end face of the first clamping block 12 facing the second clamping block 13 is provided with a first limiting groove, the length of the first limiting groove is the same as that of the end face, the end face of the second clamping block 13 facing the first clamping block 12 is provided with a second limiting groove, the length of the second limiting groove is the same as that of the end face, furthermore, the cross-sectional shapes of the first limiting groove and the second limiting groove are both V-shaped, and the openings of the first limiting groove and the second limiting groove correspond to each other, so that when the first clamping block 12 and the second clamping block 13 approach each other, the first limiting groove and the second limiting groove can form a through hole 18, the puncture needle 1 is fixed in the through hole 18, and when the first clamping block 12 and the second clamping block 13 are far away from each other, the puncture needle 1 in the through hole 18 can be loosened; the puncture needle 1 can be clamped and loosened through the relative movement of the first clamping block 12 and the second clamping block 13, and the puncture needle 1 with different diameters can be fixed through the V-shaped structures of the first limiting groove and the second limiting groove, so that the universality of the puncture needle fixing device can be improved, and when the puncture needles 1 with different sizes are replaced, the fixing device does not need to be replaced synchronously, and the use of the fixing device can be facilitated.
In one embodiment, a differential head 5 is provided on the main body block 6; the micrometer head 5 is provided with a limiting block 7, the upper end of the limiting block 7 is arranged on the micrometer head 5, the lower end of the limiting block 7 is provided with a notch, and the notch is smaller than the size of a base of the puncture needle 1, so that the base cannot penetrate through the notch to limit the tail end of the puncture needle 1, and the position of a needle point of the puncture needle 1 placed between the first clamping block 12 and the second clamping block 13 is limited; furthermore, a limiting block 7 is sleeved on the measuring rod of the differential head 5 and is screwed and fixed through a fixing bolt 8, and meanwhile, the measuring rod on the differential head 5 can stretch and retract so as to drive the limiting block 7 to move together, so that the position of the limiting block 7 (see fig. 3 and 4) is adjusted, and the position of the needle point of the puncture needle 1 is adjusted so as to adapt to the surgical requirements; in addition, the micrometer head 5 is provided with a knob, the expansion and contraction of the measuring rod can be realized by rotating the knob, and meanwhile, the micrometer head 5 is provided with scales through which the moving length of the measuring rod can be grasped; furthermore, a second locking bolt 14 is arranged on the main body block 6 and is in threaded connection with the main body block, the front end of the second locking bolt 14 can be abutted against the measuring rod of the differential head 5 by rotating the second locking bolt 14, so that the measuring rod is fixed, the measuring rod is prevented from continuously rotating to influence the limited position of the puncture needle 1, and after the measuring rod is used, the measuring rod can be reversely rotated to loosen the fixation of the measuring rod.
In one embodiment, the main body block 6 is provided with a guide shaft 11, the first clamping block 12 and the second clamping block 13 are slidably mounted on the guide shaft 11, so that the first clamping block 12 and the second clamping block 13 can move relatively on the guide shaft 11 under the driving of the driving assembly, and further, two guide shafts 11 are provided; the two ends of the first clamping block 12 and the second clamping block 13 are respectively arranged on a guide shaft 11 in a sliding mode, and therefore the installation stability of the first clamping block 12 and the second clamping block 13 and the stability of the first clamping block and the second clamping block during movement are improved.
In one embodiment, the driving assembly includes a feed bolt 2, a push rod 4, a first link 15, a second link 16, and a pin 10; the feeding bolt 2 is installed on the main body block 6 in a threaded mode, and two ends of the feeding bolt are located outside the main body block 6; a knob is arranged at one end of the feeding bolt 2, scales are arranged on the knob, the feeding bolt 2 can be rotated through the knob to be capable of moving on the main body block 6 in a reciprocating mode, and the moving distance of the feeding bolt 2 can be checked through the scales; the other end of the feeding bolt 2 is provided with a pin shaft 10, one end of a first connecting rod 15 is hinged with the pin shaft 10, and the other end of the first connecting rod is hinged on the end face, back to the first clamping block 12, of the second clamping block 13; meanwhile, one end of a second connecting rod 16 is hinged with the pin shaft 10, and the other end of the second connecting rod is hinged on the end face, back to the second clamping block 13, of the first clamping block 12; finally, the first connecting rod 15 and the second connecting rod 16 are arranged in a V-shaped state and are connected with the pin shaft 10 at the intersection point; wherein, by turning the knob, the feed bolt 2 is moved, thereby pulling the first connecting rod 15 and the second connecting rod 16, so that the first clamping block 12 and the second clamping block 13 can move relatively on the guide shaft 11, and thereby the fixing and the releasing of the puncture needle 1 are realized.
Furthermore, the main body block 6 is provided with a first locking bolt 9, and the first locking bolt 9 and the first locking bolt are in threaded connection, wherein the front end of the first locking bolt 9 can be abutted against the feeding bolt 2 by rotating the first locking bolt 9, so that the feeding bolt 2 is fixed and prevented from continuously rotating, the clamping state of the first clamping block 12 and the second clamping block 13 on the puncture needle 1 is influenced, and after the puncture needle is used, the knob is reversely rotated, so that the fixing of the feeding bolt 2 can be loosened.
Furthermore, the feeding bolt 2 is sleeved with the gap eliminating spring 3, one end of the gap eliminating spring 3 abuts against the main body block 6, and the other end of the gap eliminating spring 3 abuts against a square block of the feeding bolt 2 for mounting the pin shaft 10 (see fig. 2), so that when the feeding bolt 2 is screwed to move towards the direction of the limiting block 7, namely the first clamping block 12 and the second clamping block 13 are close to each other, the gap eliminating spring 3 can be extruded, pressure is applied to the first clamping block 12 and the second clamping block 13, and the clamping stability of the puncture needle 1 is further ensured.
Compared with the prior art, in the application, the first clamping block 12 and the second clamping block 13 are arranged on the main body block 6 in a sliding mode, when the first clamping block 12 and the second clamping block 13 are close to each other, the first limiting groove and the second limiting groove can form the through hole 18, the puncture needle 1 is fixed in the through hole 18, the puncture needle 1 with different diameters can be adapted to the puncture needles 1 with different diameters through the V-shaped structures of the first limiting groove and the second limiting groove, accordingly, the universality of the utility model is improved, and in addition, when the puncture needles 1 with different sizes are replaced, the fixing equipment does not need to be replaced synchronously, so that the use of the fixing equipment can be facilitated.
The utility model can fix puncture needle sheaths with the diameter range of 1 mm-2.5 mm, is provided with an axial length limiting block and can accurately fix puncture needles with different diameters.
Any combination of the various embodiments of the present invention should be considered as disclosed in the present invention, unless the inventive concept is contrary to the present invention; within the scope of the technical idea of the utility model, any combination of various simple modifications and different embodiments of the technical solution without departing from the inventive idea of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A universal lancet fixture device comprising: the main body block, the driving assembly, the first clamping block and the second clamping block are fixed on the mechanical arm;
the driving assembly is arranged on the main body block; the first clamping block and the second clamping block are oppositely and slidably arranged on the main body block; the driving assembly is connected with the first clamping block and the second clamping block and is used for driving the first clamping block and the second clamping block to move relatively;
the first clamping block is provided with a first limiting groove on the end surface facing the second clamping block, and the second clamping block is provided with a second limiting groove on the end surface facing the first clamping block; when the first clamping block and the second clamping block are close to each other, the first limiting groove and the second limiting groove form a through hole for fixing the puncture needle.
2. The universal puncture needle fixture of claim 1, wherein: the main body block is provided with a differential head; a limiting block used for limiting the installation position of the puncture needle is arranged on the measuring rod of the differential head; the limiting block is provided with a notch.
3. The universal lancet fixture device of claim 2, wherein: the main body block is provided with a second locking bolt for fixing the measuring rod of the differential head;
the differential head is provided with scales.
4. The universal lancet fixture device of claim 1, wherein: the main body block is provided with a guide shaft; the first clamping block and the second clamping block are both mounted on the guide shaft in a sliding mode.
5. The universal lancet fixture device of claim 1, wherein: the driving assembly comprises a feeding bolt, a push rod, a first connecting rod, a second connecting rod and a pin shaft; the feeding bolt is installed on the main body block and is in threaded connection with the main body block, and the pin shaft is installed at one end of the feeding bolt; one end of the first connecting rod is hinged with the pin shaft, and the other end of the first connecting rod is hinged with the second clamping block; one end of the second connecting rod is hinged with the pin shaft, and the other end of the second connecting rod is hinged with the first clamping block; the first connecting rod and the second connecting rod are arranged in a V shape and are connected with the pin shaft at an intersection point.
6. The universal puncture needle fixture of claim 5, wherein: the feeding bolt is sleeved with an anti-backlash spring; when the first clamping block and the second clamping block are close to each other, the feeding bolt extrudes the anti-backlash spring.
7. The universal lancet fixture device of claim 5, wherein: the main body block is provided with a first locking bolt which is in threaded connection with the main body block; the first locking bolt is used for enabling the front end to abut against the feeding bolt so as to fix the feeding bolt.
8. The universal lancet fixture device of claim 5, wherein: a knob is arranged at one end of the feeding bolt, which is far away from the pin shaft; scales are arranged on the knob.
9. The universal lancet fixture device of claim 2, wherein: and a fixing bolt is arranged at one end of the differential head, which is provided with a limiting block, and the limiting block is fixedly arranged on the differential head by the fixing bolt.
10. The universal lancet fixture device of claim 1, wherein: the cross sections of the first limiting groove and the second limiting groove are both V-shaped; the openings of the first limiting groove and the second limiting groove correspond to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122811876.2U CN216823603U (en) | 2021-11-16 | 2021-11-16 | Universal puncture needle fixing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122811876.2U CN216823603U (en) | 2021-11-16 | 2021-11-16 | Universal puncture needle fixing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216823603U true CN216823603U (en) | 2022-06-28 |
Family
ID=82102081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122811876.2U Active CN216823603U (en) | 2021-11-16 | 2021-11-16 | Universal puncture needle fixing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216823603U (en) |
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2021
- 2021-11-16 CN CN202122811876.2U patent/CN216823603U/en active Active
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