CN215148658U - Assembling tool for short needle head and short needle seat of blood vessel stitching instrument - Google Patents
Assembling tool for short needle head and short needle seat of blood vessel stitching instrument Download PDFInfo
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- CN215148658U CN215148658U CN202121450960.XU CN202121450960U CN215148658U CN 215148658 U CN215148658 U CN 215148658U CN 202121450960 U CN202121450960 U CN 202121450960U CN 215148658 U CN215148658 U CN 215148658U
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- 210000004204 blood vessel Anatomy 0.000 title claims abstract description 33
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
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Abstract
The utility model discloses a blood vessel suturing device short syringe needle and short needle seat assembly fixture is including the handle clamping module and the syringe needle clamping module that set up side by side, be provided with the stop gear who is used for placing blood vessel suturing device handle and short needle file respectively on the handle clamping module, last syringe needle centre gripping groove of being provided with of syringe needle centre gripping module and communicate with each other with syringe needle centre gripping groove and the opening extends to the outside air flue of syringe needle centre gripping module, syringe needle centre gripping module connects its along X axle, Y axle, Z axle removal of drive so that syringe needle centre gripping groove with the stop gear orientation syringe needle centre gripping module's opening is just right adjusting module. This scheme is through setting up thrust unit in handle centre gripping module and setting up the position of adjustment module on syringe needle centre gripping module from a plurality of directions adjustment handle, short needle file and short syringe needle respectively, utilizes the position of the fixed short syringe needle of vacuum negative pressure and each stop gear, short needle file and handle simultaneously, guarantees accurate assembly.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument assembly and specifically relates to blood vessel stitching instrument short needle head and short needle holder assembly fixture.
Background
At present, when a medical operation is performed, a blood vessel is broken in many cases, and in addition, many interventional operations such as implantation of a blood vessel stent and the like cause damage to the blood vessel to various degrees due to puncture of the blood vessel, and in these cases, a blood vessel suture instrument is a hemostatic tool commonly used in the medical operation.
The short needle head in the blood vessel stitching instrument is precise, so that the short needle head is difficult to clamp by using a common tool, the assembly difficulty of the short needle head and the short needle seat is high, the needle head is easy to fall off due to insufficient assembly force and assembly precision in manual assembly, and the assembly is easy to damage due to overlarge assembly force by utilizing mechanical assembly.
SUMMERY OF THE UTILITY MODEL
The novel purpose is exactly in order to solve the above-mentioned problem that exists among the prior art, provides blood vessel stitching instrument short needle head and short needle holder assembly fixture.
The purpose of the utility model is realized through the following technical scheme:
blood vessel stitching instrument short syringe needle and short needle seat assembly fixture, including handle clamping module and the syringe needle clamping module that sets up side by side, be provided with the stop gear who is used for placing blood vessel stitching instrument handle and short needle seat respectively on the handle clamping module, be provided with syringe needle centre gripping groove on the syringe needle clamping module and communicate with each other with syringe needle centre gripping groove and the opening extends to the outside air flue of syringe needle centre gripping module, syringe needle centre gripping module connects its along X axle, Y axle, the removal of Z axle of drive so that syringe needle centre gripping groove with stop gear orientation syringe needle centre gripping module's opening is just right adjusting module.
Preferably, the handle clamping module comprises a rear clamping module and a middle clamping module which are in a ladder shape, a handle limiting groove is formed in the rear clamping module, a short needle seat limiting groove is formed in the middle clamping module, and an opening of the handle limiting groove is opposite to the opening of the short needle seat limiting groove.
Preferably, a pushing device for driving the rear clamping module to reciprocate towards the middle clamping module is arranged at the bottom of the rear clamping module.
Preferably, the pushing device comprises an adjusting seat arranged at the bottom of the rear clamping module and a pushing handle used for driving the rear clamping module to move on the adjusting seat.
Preferably, a graduated scale for measuring the movement distance of the rear clamping module is arranged on the adjusting seat.
Preferably, a positioning block rotating through a pivot is arranged on the surface of the middle clamping module, and the positioning block covers the top of the short needle seat limiting groove in a closed state.
Preferably, the middle clamping module is provided with an air path switch for controlling an air path, and the air path is communicated with an air path arranged on the needle head clamping module.
Preferably, the adjusting module comprises an X-axis adjusting module, a Y-axis adjusting module, a Z-axis adjusting module, and an adjusting handwheel for controlling the X-axis adjusting module, the Y-axis adjusting module, and the Z-axis adjusting module respectively.
Preferably, the needle holding groove is communicated with the air passage through a through hole.
Preferably, a limiting ring for blocking the forward movement of the needle head is arranged at the opening of the through hole.
The utility model discloses technical scheme's advantage mainly embodies:
1. according to the scheme, the positions of the handle, the short needle seat and the short needle head are respectively adjusted from multiple directions through the pushing device arranged on the handle clamping module and the adjusting module arranged on the needle head clamping module, so that the short needle seat and the short needle head are accurately positioned before assembly, and the assembly accuracy is improved;
2. according to the scheme, vacuum negative pressure is generated through the vacuum air exhaust device, the air passage and the air passage, and the limiting is performed through the limiting ring, so that the short needle head is tightly fixed at the opening of the through hole, the position of the short needle head is ensured to be fixed in the assembling process, and the assembling accuracy is improved;
3. according to the scheme, the graduated scale is arranged on the adjusting seat, the scale marks are arranged on the handle clamping module, the moving distance of the handle and the short needle seat can be measured by recording the moving positions of the scale marks, the distance between the short needle seat and the short needle head can be accurately regulated and controlled before assembly, and meanwhile, the assembly distance can also be accurately controlled in the assembly process;
4. according to the scheme, the handle clamping module is provided with the positioning block which rotates through the pivot, the positioning block covers the top of the short needle base in a closed state, and the short needle base is fixed in the short needle base limiting groove in the assembling process.
Drawings
FIG. 1: is a three-dimensional view of the short needle head and short needle seat assembly tool of the middle blood vessel stitching instrument of the utility model;
FIG. 2: do the utility model discloses the local cross-sectional view of syringe needle centre gripping module among blood vessel suturing device short syringe needle and short needle holder assembly fixture.
Detailed Description
Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. These embodiments are merely exemplary embodiments for applying the technical solutions of the present invention, and all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention.
In the description of the embodiments, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.
The utility model discloses a blood vessel stitching instrument short syringe needle and short needle holder assembly frock is elucidated with the attached drawing below: as shown in fig. 1 to 2, the assembly tool for the short needle head and the short needle seat of the blood vessel suturing device comprises a base, and a handle clamping module and a needle head clamping module 1 which are arranged on the base in parallel, wherein the handle clamping module is provided with a limiting mechanism for placing the handle and the short needle seat of the blood vessel suturing device respectively, and the handle clamping module can be an independent module or a combination of a plurality of modules.
Specifically, in this scheme, the handle clamping module includes a rear clamping module 3 and a middle clamping module 2 which are in a ladder shape, a handle limiting groove is arranged on the rear clamping module 3, a short needle seat limiting groove is arranged on the middle clamping module 2, an opening of the handle limiting groove is arranged opposite to an opening of the short needle seat limiting groove, when the blood vessel suturing device is placed on the handle clamping module, a handle of the blood vessel suturing device is matched with the handle limiting groove and the short needle seat limiting groove, a pushing device for driving the rear clamping module 3 to reciprocate towards the middle clamping module 2 is arranged at the bottom of the rear clamping module 3, specifically, the pushing device includes an adjusting seat 31 arranged at the bottom of the rear clamping module and a pushing handle 32 for driving the rear clamping module 3 to move on the adjusting seat 31, specifically, the adjusting seat 31 is fixed on a base, the rear clamping module 3 is arranged at the top of the adjusting seat 31, a movable chute or a slide block is arranged between the rear clamping module 3 and the adjusting seat 31, the rear clamping module 3 moves on the chute or moves along with the slide block under the driving of the pushing handle 32, a graduated scale for measuring the movement distance of the rear clamping module 3 is further fixedly arranged on the adjusting seat 31, a position on the surface of the rear clamping module 3, which is close to the graduated scale, is provided with a graduated mark, and the movement distance of the rear clamping module 3 can be measured and calculated through the position change of the graduated mark during the adjustment process, in the present scheme, the middle clamping module 2 is fixed with the base through a positioning pin, in other schemes, the middle clamping module 2 can also move in unison with the rear clamping module 3, further, the middle part centre gripping module 2 surface still is provided with through pivot rotation's locating piece 21, locating piece 21 covers when closed state the top of short needle file spacing groove is used for the location short needle file makes short needle file and handle can not be because of removing and be difficult to accurate location in the assembling process, influence the assembly degree of accuracy.
Furthermore, a needle holding groove and an air channel 14 which is communicated with the needle holding groove and the opening of which extends to the outside of the needle holding module 1 are arranged on the needle holding module 1, the whole width of the needle holding groove is matched with the maximum diameter of the short needle, wherein the short needle comprises a needle head part with a sharp front end, a step at the waist part and a tail part with a notch at the end part, the diameter of the step part of the short needle base is the part with the largest diameter of the whole short needle base, the opening of the tail end of the needle head clamping groove (namely one end close to the handle clamping module) is in a trumpet shape for diffusion, so that the short needle base can pass through the opening during assembly, a limiting ring 16 for blocking the forward movement of the needle head is arranged at the opening of the through hole 15, and the diameter of the limiting ring 16 is matched with the diameter of the short needle head step position, so that the waist and the tail of the short needle head are blocked outside the opening of the through hole 15 through the matching of the limiting ring 16 and the step;
further, as shown in fig. 2, the needle head clamping groove is communicated with the air passage 14 through a through hole 15, the aperture of the air passage 14 is larger than that of the through hole 15, an air passage switch for controlling an air passage is arranged on the middle clamping module 2, the air passage 14 arranged on the air passage and the needle head clamping module 1 is communicated, the air passage is connected with a vacuum air extractor, the short needle head limiting groove is placed into the short needle head limiting groove when the short needle head is short, the air passage switch is opened after the short needle head is limited through a limiting ring 16, the vacuum air extractor is connected with the air passage 14 and then is extracted, so that the short needle head generates an acting force to the inner movement of the through hole 15 under the influence of vacuum negative pressure, meanwhile, the limiting ring 16 blocks the needle head to continue to advance, so that the step at the waist of the short needle head is tightly fixed at the opening of the through hole 15, the short needle head is prevented from moving, and subsequent assembly is facilitated.
Further, syringe needle centre gripping module 1 is connected its along X axle, the removal of Y axle direction at least of drive so that syringe needle centre gripping groove with stop gear moves towards the just right adjustment module of opening of syringe needle centre gripping module 1, in this scheme, adjustment module is including the drive syringe needle centre gripping groove with stop gear moves towards X axle, Y axle and Z axle direction's X axle adjustment module 11, Y axle adjustment module 12 and Z axle adjustment module 13, correspond respectively on X axle adjustment module 11, Y axle adjustment module 12 and the Z axle adjustment module 13 and be provided with the regulation hand wheel that is used for controlling each adjustment module to the motion of corresponding direction.
The assembling process of the assembling tool for the short needle head and the short needle seat of the blood vessel stitching instrument is as follows: firstly, placing a handle and a short needle seat which are assembled together on a handle clamping module, placing the handle in a handle limiting groove, rotating a positioning block 21 to cover the top of the short needle seat, and placing the short needle seat in the short needle seat limiting groove; secondly, the short needle is placed into a short needle limiting groove, and after limiting is carried out through a limiting ring 16, a gas circuit switch is opened to generate vacuum negative pressure, so that the step at the waist of the short needle is tightly fixed at the opening of the through hole 15; then, the rear clamping module 3 is driven by pushing the handle 32 to drive the handle and the short needle seat to move towards the needle head clamping module 1, when the short needle seat approaches the tail part of the short needle head, the position of the short needle head is adjusted through the X-axis adjusting module 11, the Y-axis adjusting module 12 and the Z-axis adjusting module 13, so that the short needle head is in contact with and coaxial with the short needle seat; finally, the handle 32 is pushed by continuing to rotate, so that the handle and the short needle seat further move towards the short needle head direction until the assembly is completed; after the assembly is completed, the gas path is closed, the positioning block 21 is rotated, and the assembled vascular suture instrument is taken out.
The utility model has a plurality of implementation modes, and all technical schemes formed by adopting equivalent transformation or equivalent transformation all fall within the protection scope of the utility model.
Claims (10)
1. Blood vessel stitching instrument short syringe needle and short needle holder assembly fixture, including handle centre gripping module and the syringe needle centre gripping module that sets up side by side, its characterized in that: be provided with the stop gear who is used for placing blood vessel stitching instrument handle and short needle file respectively on the handle centre gripping module, be provided with syringe needle centre gripping groove on the syringe needle centre gripping module and communicate with each other and the opening extends to with syringe needle centre gripping groove outside air flue, syringe needle centre gripping module is connected its along X axle, Y axle, Z axle of drive and is removed so that syringe needle centre gripping groove with stop gear orientation syringe needle centre gripping module's opening is just right adjustment module.
2. The assembly fixture for the short needle head and the short needle seat of the blood vessel stitching instrument according to claim 1, is characterized in that: the handle clamping module comprises a rear clamping module and a middle clamping module which are in a ladder shape, a handle limiting groove is formed in the rear clamping module, a short needle seat limiting groove is formed in the middle clamping module, and an opening of the handle limiting groove is opposite to an opening of the short needle seat limiting groove.
3. The assembly fixture for the short needle head and the short needle seat of the blood vessel stitching instrument according to claim 2, is characterized in that: and a pushing device for driving the rear clamping module to reciprocate towards the middle clamping module is arranged at the bottom of the rear clamping module.
4. The assembly fixture for the short needle head and the short needle seat of the blood vessel stitching instrument according to claim 3, characterized in that: the pushing device comprises an adjusting seat arranged at the bottom of the rear clamping module and a pushing handle used for driving the rear clamping module to move on the adjusting seat.
5. The assembly fixture for the short needle head and the short needle seat of the blood vessel stitching instrument according to claim 4, characterized in that: and the adjusting seat is provided with a graduated scale for measuring the movement distance of the rear clamping module.
6. The assembly fixture for the short needle head and the short needle seat of the blood vessel stitching instrument according to claim 2, is characterized in that: the surface of the middle clamping module is provided with a positioning block rotating through a pivot, and the positioning block covers the top of the short needle seat limiting groove in a closed state.
7. The assembly fixture for the short needle head and the short needle seat of the blood vessel stitching instrument according to claim 2, is characterized in that: the middle clamping module is provided with an air channel switch for controlling an air channel, and the air channel is communicated with an air channel arranged on the needle head clamping module.
8. The assembly fixture for the short needle head and the short needle seat of the blood vessel stitching instrument according to claim 1, is characterized in that: the adjusting module comprises an X-axis adjusting module, a Y-axis adjusting module, a Z-axis adjusting module and an adjusting hand wheel which is respectively used for controlling the X-axis adjusting module, the Y-axis adjusting module and the Z-axis adjusting module.
9. The assembly fixture for the short needle head and the short needle seat of the blood vessel stitching instrument according to claim 7, is characterized in that: the needle clamping groove is communicated with the air passage through the through hole.
10. The assembly fixture for the short needle head and the short needle seat of the blood vessel stitching instrument according to claim 9, is characterized in that: and a limiting ring for blocking the forward movement of the needle head is arranged at the opening of the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121450960.XU CN215148658U (en) | 2021-06-28 | 2021-06-28 | Assembling tool for short needle head and short needle seat of blood vessel stitching instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121450960.XU CN215148658U (en) | 2021-06-28 | 2021-06-28 | Assembling tool for short needle head and short needle seat of blood vessel stitching instrument |
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| CN215148658U true CN215148658U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121450960.XU Active CN215148658U (en) | 2021-06-28 | 2021-06-28 | Assembling tool for short needle head and short needle seat of blood vessel stitching instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115444564A (en) * | 2022-08-22 | 2022-12-09 | 北京长木谷医疗科技有限公司 | Device and method for improving accuracy of optical tracking navigation system of orthopedic surgery robot |
-
2021
- 2021-06-28 CN CN202121450960.XU patent/CN215148658U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115444564A (en) * | 2022-08-22 | 2022-12-09 | 北京长木谷医疗科技有限公司 | Device and method for improving accuracy of optical tracking navigation system of orthopedic surgery robot |
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