CN215307079U - Transmission device of support imbedding device - Google Patents
Transmission device of support imbedding device Download PDFInfo
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- CN215307079U CN215307079U CN202121649527.9U CN202121649527U CN215307079U CN 215307079 U CN215307079 U CN 215307079U CN 202121649527 U CN202121649527 U CN 202121649527U CN 215307079 U CN215307079 U CN 215307079U
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Abstract
The utility model discloses a transmission device of a support imbedding device, which is characterized in that: the gear-shifting mechanism comprises a fixed handle and a movable handle connected with the fixed handle, wherein a first transmission assembly, a gear-shifting gear, a second transmission assembly and a third transmission assembly which are connected in a transmission manner are arranged in the fixed handle; the first transmission assembly is movably connected with the movable handle; the shift gear is suitable for changing the transmission direction of the second transmission assembly; and a pipe assembly is arranged in the fixed handle, and the third transmission assembly is fixedly connected with the pipe assembly. The utility model can drive the pipe assembly to realize forward rotation and reverse rotation, further drive the outer pipe of the support imbedding device to move back and forth, and has high transmission precision and smoothness without blocking.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a transmission device of a support introducer.
Background
The malignant tumor of alimentary canal can cause the serious obstruction in the late stage of disease course, totally 40% of stomach cancer patients and 95% of pancreas patients involving duodenum can not be treated radically, at this time, the treatment of the bracket is necessary, the treatment of the bracket is a common and very effective treatment method, the operation is carried out through the endoscope to carry out the bracket placement more generally, the traditional bracket placement device at present usually has two controllers which are respectively connected with an inner tube and an outer tube, when the operation is carried out, the endoscope reaches the pathological stenosis part, the endoscope can not pass through the stenosis part, firstly, a zebra guide wire passes through the stenosis part, a plastic sleeve is placed along the guide wire, a contrast medium is injected, the lesion position at the far end is determined under X-ray, the length of the whole lesion is measured, the length of the required bracket (the length is more than 2cm above and below the lesion) is determined again, then the TTS placement device reaches the stenosis part along the guide wire through the endoscope, when carrying out the support release, the doctor need control two handles (preceding handle and back handle) simultaneously, come the relative position of control inner tube and outer tube, thereby release the support, this kind of traditional support introducer position control precision is not high and all has very high requirement to doctor's operation and doctor's experience, it is motionless to need the doctor to fix the back handle, thereby withdraw the preceding handle backward and release the support, the spirit of doctor is in high nervous centralized state in the actual operation process, it is very difficult to fix the back handle motionless completely, the unexpected aversion can take place usually, cause the support position to release inaccurately, prolong operation time, influence the effect of treatment.
Reciprocating gun-type stand implanters have been developed in the prior art, in which a transmission device drives a transmission assembly to move forward and backward so as to drive an outer tube and an inner tube to move relatively. Like chinese patent CN204971727U, the control of the relative position of the inner tube and the outer tube is realized by pulling the annular rack trigger installed in the fixed handle, although the one-hand operation is realized, the transmission precision is not high, and the phenomenon of stuck and stopped easily occurs in the transmission process, which affects the operation. The inventor designs a pipe assembly connected with an outer pipe, which can convert rotary motion into linear motion so as to drive the outer pipe to move back and forth, and further release a support, but the conventional transmission device cannot drive the pipe assembly to rotate forwards or backwards.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a transmission device of a support imbedding device, aiming at the defects of the prior art, which can drive a pipe assembly to realize positive rotation and negative rotation so as to drive an outer pipe of the support imbedding device to move back and forth, and has high transmission precision and no jamming.
The technical scheme for realizing the aim of the utility model is as follows:
a transmission device of a support insert device comprises a fixed handle and a movable handle connected with the fixed handle, wherein a first transmission assembly, a gear shifting gear, a second transmission assembly and a third transmission assembly which are sequentially connected in a transmission manner are arranged in the fixed handle; the first transmission assembly is movably connected with the movable handle; the shift gear is suitable for changing the transmission direction of the second transmission assembly; and a pipe assembly is arranged in the fixed handle, and the third transmission assembly is fixedly connected with the pipe assembly.
Further, the inner wall of fixed handle is equipped with the driving gear groove, first transmission assembly includes the driving gear axle, the one end of driving gear axle inserts the driving gear inslot and is suitable for the edge the driving gear groove removes, the other end movable mounting of driving gear axle has the action wheel with gear shifting gear engaged with, the action wheel is special-shaped gear, action wheel and movable handle swing joint.
Furthermore, the inner ring of the driving gear groove forms a stop groove, a stop block assembly is fixedly mounted in the stop groove, the stop block assembly comprises a first stop block, an elastic body and a second stop block which are sequentially connected, and the first stop block and the second stop block are inserted into the driving gear groove.
Furthermore, the first stop block and the second stop block have the same structure and are arranged in a central symmetry manner, and the upper end surface of the first stop block is in arc transition.
Further, the second transmission assembly comprises a first bevel gear and a second bevel gear which are coaxially arranged at two sides of the gear shifting gear, and a third bevel gear which is meshed with the first bevel gear and the second bevel gear; the gear shifting gear is suitable for changing the rotating direction of the third bevel gear by respectively driving the first bevel gear and the second bevel gear to rotate.
Furthermore, a first gear ring and a second gear ring which are suitable for being meshed with the gear shifting gear are fixedly arranged on the inner sides of the first bevel gear and the second bevel gear respectively, and the gear shifting gear drives the first bevel gear and the second bevel gear to rotate through the first gear ring and the second gear ring respectively.
Furthermore, the third transmission assembly comprises a first transmission gear and a second transmission gear which are meshed with each other, the second transmission assembly is suitable for driving the first transmission gear to rotate, and the second transmission gear is coaxially and fixedly connected with the pipe assembly.
Furthermore, the upper part of the rear end of the movable handle is provided with a tension spring, and the other end of the tension spring is connected with the fixed handle.
Furthermore, the front end of the movable handle is provided with a holding part, and the holding part comprises two arc-shaped grooves which are longitudinally connected.
By adopting the technical scheme, the utility model has the following beneficial effects:
(1) according to the utility model, the movable handle drives the first transmission assembly to act so as to drive the gear shifting gear to rotate, the transmission direction of the second transmission assembly is adjusted through the gear shifting gear, and the third transmission assembly is controlled to realize the functions of driving the pipe assembly to rotate forwards and backwards, so that the whole transmission process is high in precision and smooth without blockage.
(2) The driving wheel is a special-shaped gear, the movable handle is held by a hand to drive a driving gear shaft of the driving wheel to move along the driving gear groove, meanwhile, gear teeth of the driving wheel are meshed with the gear shifting gear, so that the gear shifting gear is driven to act, the transmission effect of the first transmission assembly is realized, and the gear transmission mode is adopted to ensure accurate transmission.
(3) According to the utility model, the stop block assembly is arranged, so that the driving gear shaft is ensured to rotate clockwise along the stop block groove all the time, and the return rotation is avoided, thereby ensuring that the gear shifting gear rotates along one direction all the time, and ensuring the effective transmission.
(4) According to the utility model, the upper end surface of the first stop block and the lower end surface of the second stop block are in arc transition, so that the stop blocks are more conveniently pressed into the stop block grooves by driving the gear shaft, and the phenomenon of blocking is avoided.
(5) According to the second transmission assembly, the first bevel gear, the second bevel gear and the third bevel gear which is meshed with the first bevel gear and the second bevel gear are symmetrically arranged, and the first bevel gear and the second bevel gear are respectively driven to rotate in the same direction by the gear shifting gear, so that the third bevel gear is driven to rotate forwards and backwards, and the change of the transmission direction is realized.
(6) The third transmission assembly of the utility model also adopts gear engagement, thus further ensuring high and smooth transmission precision of the whole transmission device.
(7) According to the utility model, the movable handle can be automatically reset by arranging the tension spring, so that the operation is convenient.
(8) The movable handle is provided with the holding part with the arc-shaped groove, so that the hand design of a human body is met, and the use comfort of an operator is improved.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a structural view of the position installation of the shift gear, the second transmission assembly and the third transmission assembly of the present invention.
The reference numbers in the drawings are:
a fixed handle 1, a driving gear groove 1-1 and a stop block groove 1-2;
a movable handle 2, a holding part 2-1 and an arc-shaped groove 2-1-1;
the device comprises a first transmission assembly 3, a driving gear shaft 3-1, a driving wheel 3-2, a stop block assembly 3-3, a first stop block 3-3-1, an elastic body 3-3-2 and a second stop block 3-3-3;
a shift gear 4;
the gear transmission mechanism comprises a second transmission component 5, a first bevel gear 5-1, a first gear ring 5-1-1, a second bevel gear 5-2, a second gear ring 5-2-1 and a third bevel gear 5-3;
a third transmission component 6, a first transmission gear 6-1 and a second transmission gear 6-2;
a tube assembly 7;
a tension spring 8.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
(example 1)
The transmission device of the stent introducer shown in fig. 1 to 2 comprises a fixed handle 1 and a movable handle 2 connected with the fixed handle 1, wherein a first transmission component 3, a gear shifting gear 4, a second transmission component 5, a third transmission component 6 and a tube component 7 fixedly connected with the third transmission component 6 are arranged in the fixed handle 1 and are sequentially connected in a transmission manner. Drive the action of first drive assembly 3 through movable handle 2 to drive gear 4 of shifting rotates, adjusts the transmission direction of second drive assembly 5 through gear 4 of shifting, and then controls third drive assembly 6 and realizes driving the function of pipe assembly 7 corotation and reversal, and whole transmission process precision is high and smoothly do not have the card pause.
Specifically, the inner wall of the fixed handle 1 is provided with a driving gear groove 1-1, the first transmission component 3 comprises a driving gear shaft 3-1, one end of the driving gear shaft 3-1 is inserted into the driving gear groove 1-1, the other end of the driving gear shaft is rotatably provided with a driving wheel 3-2 meshed with the gear-shifting gear 4, the driving wheel 3-2 is a special-shaped gear, and the left end of the driving wheel is rotatably connected with the movable handle 2. The inner ring of the driving gear groove 1-1 forms a block groove 1-2, a block assembly 3-3 is fixedly installed in the block groove 1-2 and comprises a first block 3-3-1, an elastic body 3-3-2 and a second block 3-3-3 which are sequentially connected, the elastic body 3-3-2 is a spring in the embodiment, the first block 3-3-1 and the second block 3-3-2 are identical in structure and are arranged on two sides of the spring in central symmetry, and meanwhile, one ends, far away from the spring, of the first block 3-3-1 and one ends, far away from the spring, of the second block 3-3-2 are inserted into the driving gear groove 1-1. The driving gear shaft 3-1 moves along the driving gear groove 1-1, when the driving gear groove 1-1 touches the first stop dog 3-3-1, the spring is extruded and contracted, the first stop dog 3-3-1 enters the stop dog groove 1-2, in order to press the stop dog into the stop dog groove 1-2 by the driving gear shaft 3-1 and avoid the phenomenon of blocking, the upper end surface of the first stop dog 3-3-1 is in arc transition; the driving gear shaft 3-1 continues to move along the driving gear groove 1-1, and when the driving gear shaft 3-1 leaves the first stop dog 3-3-1, the first stop dog 3-3-1 is reset under the elastic force of the spring and is inserted into the driving gear groove 1-1 again to prevent the driving gear 3-2 from rotating backwards; the driving gear shaft 3-1 continues to move, and when the second stop 3-3-2 is touched, the actions are repeated. The driving gear shaft 3-1 moves along the driving gear groove 1-1 to drive the driving gear 3-2 to move, so that the gear-shifting gear 4 is driven to rotate along the same direction all the time.
The second transmission assembly 5 comprises a first bevel gear 5-1 and a second bevel gear 5-2 which are coaxially and symmetrically arranged and a third bevel gear 5-3 which is meshed with the first bevel gear 5-1 and the second bevel gear 5-2, the shifting gear 4 is movably arranged between the first bevel gear 5-1 and the second bevel gear 5-2, the inner sides of the first bevel gear 5-1 and the second bevel gear 5-2 are respectively and fixedly provided with a first gear ring 5-1-1 and a second gear ring 5-2-1 which are suitable for being meshed with the shifting gear 4, one end of the shifting gear 4 is connected with the inner wall of the fixed handle 1 through a spring, the other end of the shifting gear extends out of the fixed handle 1, and the shifting gear 4 can move along the axial direction by pressing the other end of the shifting gear, so as to be respectively meshed with the first gear ring and the second gear ring, thereby respectively driving the first bevel gear 5-1 and the second bevel gear 5-2 to rotate.
The third transmission assembly 6 comprises a first transmission gear 6-1 and a second transmission gear 6-2 which are meshed with each other, the first transmission gear 6-1 is coaxially and fixedly connected with a third bevel gear 5-3, and the second transmission gear 6-2 is coaxially and fixedly connected with the tube assembly 7, so that the tube assembly 7 is driven to rotate, the outer tube of the support imbedding device is driven to move through the tube assembly 7, and the support is released.
The rear end upper portion of this embodiment movable handle 2 is equipped with extension spring 8, and the other end of extension spring 8 links to each other with fixed handle 1 for movable handle 2 can automatic re-setting, convenient operation. Meanwhile, in order to improve the use comfort of an operator, the front end of the movable handle 2 is also provided with a holding part 2-1, and the holding part 2-1 comprises two arc-shaped grooves 2-1-1 which are longitudinally connected, so that the hand design of a human body is better met.
The motion process of the stent implantation device in the embodiment comprises the following steps:
when the gear shifting gear 4 is meshed with the first gear ring 5-1-1, the movable handle 2 is held by a hand, the driving gear shaft 3-1 is driven by the driving wheel 3-2 to rotate clockwise along the driving gear groove 1-1, so that the driving wheel 3-2 drives the gear shifting gear 4 to rotate anticlockwise, the gear shifting gear 4 drives the first bevel gear 5-1 to rotate anticlockwise, the third bevel gear 5-3 and the first transmission gear 6-1 are driven to rotate anticlockwise, and the first transmission gear 6-1 drives the second transmission gear 6-2 to rotate clockwise, so that the pipe transmission assembly 7 rotates clockwise.
When the gear shifting gear 4 is meshed with the second gear ring 5-2-1, the movable handle 2 is held by a hand, the driving gear shaft 3-1 is driven by the driving wheel 3-2 to rotate clockwise along the driving gear groove 1-1, so that the driving wheel 3-2 drives the gear shifting gear 4 to rotate anticlockwise, the gear shifting gear 4 drives the second bevel gear 5-2 to rotate anticlockwise, the third bevel gear 5-3 and the first transmission gear 6-1 are driven to rotate clockwise, and the first transmission gear 6-1 drives the second transmission gear 6-2 to rotate anticlockwise, so that the pipe transmission assembly 7 rotates anticlockwise.
This embodiment drives the action of first drive assembly 3 through movable handle 2 to the drive gear 4 that shifts rotates, adjusts the transmission direction of second drive assembly 5 through gear 4 that shifts, and then controls third drive assembly 6 and realizes driving the function of pipe assembly 7 corotation and reversal, and whole transmission adopts the gear drive mode, ensures that whole transmission process precision is high and smooth and easy no card is pause.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A transmission device of a support imbedding device is characterized in that: the gear-shifting mechanism comprises a fixed handle (1) and a movable handle (2) connected with the fixed handle (1), wherein a first transmission assembly (3), a gear-shifting gear (4), a second transmission assembly (5) and a third transmission assembly (6) which are sequentially connected in a transmission manner are arranged in the fixed handle (1); the first transmission component (3) is movably connected with the movable handle (2); the gear shifting gear (4) is suitable for changing the transmission direction of the second transmission assembly (5); and a pipe assembly (7) is arranged in the fixed handle (1), and the third transmission assembly (6) is fixedly connected with the pipe assembly (7).
2. The transmission device of a stent implanter according to claim 1, wherein: the inner wall of fixed handle (1) is equipped with initiative gear groove (1-1), first drive assembly (3) include driving gear axle (3-1), the one end of driving gear axle (3-1) is inserted in initiative gear groove (1-1) and is suitable for the edge driving gear groove (1-1) removes, the other end movable mounting of driving gear axle (3-1) has action wheel (3-2) with gear of shifting (4) engaged with, action wheel (3-2) are the special-shaped gear, action wheel (3-2) and movable handle (2) swing joint.
3. The transmission device of a stent implanter according to claim 2, wherein: the inner ring of the driving gear groove (1-1) forms a block groove (1-2), a block assembly (3-3) is fixedly installed in the block groove (1-2), the block assembly (3-3) comprises a first block (3-3-1), an elastic body (3-3-2) and a second block (3-3-3) which are sequentially connected, and the first block (3-3-1) and the second block (3-3-3) are inserted into the driving gear groove (1-1).
4. A driver for a stent implanter as defined in claim 3, wherein: the first stop block (3-3-1) and the second stop block (3-3-3) are identical in structure and are arranged in a central symmetry mode, and the upper end face of the first stop block (3-3-1) is in arc transition.
5. The transmission device of a stent implanter according to claim 1, wherein: the second transmission assembly (5) comprises a first bevel gear (5-1) and a second bevel gear (5-2) which are coaxially arranged at two sides of the gear shifting gear (4) and a third bevel gear (5-3) which is meshed with the first bevel gear (5-1) and the second bevel gear (5-2); the gear shifting gear (4) is suitable for changing the rotating direction of the third bevel gear (5-3) by respectively driving the first bevel gear (5-1) and the second bevel gear (5-2) to rotate.
6. The transmission device of a stent implanter according to claim 5, wherein: the inner sides of the first bevel gear (5-1) and the second bevel gear (5-2) are respectively and fixedly provided with a first gear ring (5-1-1) and a second gear ring (5-2-1) which are suitable for being meshed with the gear shifting gear (4), and the gear shifting gear (4) drives the first bevel gear (5-1) and the second bevel gear (5-2) to rotate through the first gear ring (5-1-1) and the second gear ring (5-2-1).
7. The transmission device of a stent implanter according to claim 1, wherein: the third transmission assembly (6) comprises a first transmission gear (6-1) and a second transmission gear (6-2) which are meshed with each other, the second transmission assembly (5) is suitable for driving the first transmission gear (6-1) to rotate, and the second transmission gear (6-2) is coaxially and fixedly connected with the pipe assembly (7).
8. The transmission device of a stent implanter according to claim 1, wherein: the upper part of the rear end of the movable handle (2) is provided with a tension spring (8), and the other end of the tension spring (8) is connected with the fixed handle (1).
9. The transmission device of a stent implanter according to claim 1, wherein: the front end of the movable handle (2) is provided with a holding part (2-1), and the holding part (2-1) comprises two arc-shaped grooves which are longitudinally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121649527.9U CN215307079U (en) | 2021-07-20 | 2021-07-20 | Transmission device of support imbedding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121649527.9U CN215307079U (en) | 2021-07-20 | 2021-07-20 | Transmission device of support imbedding device |
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| Publication Number | Publication Date |
|---|---|
| CN215307079U true CN215307079U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121649527.9U Active CN215307079U (en) | 2021-07-20 | 2021-07-20 | Transmission device of support imbedding device |
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| CN (1) | CN215307079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116759952A (en) * | 2023-08-17 | 2023-09-15 | 国网山东省电力公司东平县供电公司 | Submarine cable installation auxiliary device |
-
2021
- 2021-07-20 CN CN202121649527.9U patent/CN215307079U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116759952A (en) * | 2023-08-17 | 2023-09-15 | 国网山东省电力公司东平县供电公司 | Submarine cable installation auxiliary device |
| CN116759952B (en) * | 2023-08-17 | 2024-01-16 | 国网山东省电力公司东平县供电公司 | Submarine cable installation auxiliary device |
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