CN212382686U - Single-motor cutting anastomat - Google Patents
Single-motor cutting anastomat Download PDFInfo
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- CN212382686U CN212382686U CN202021076677.0U CN202021076677U CN212382686U CN 212382686 U CN212382686 U CN 212382686U CN 202021076677 U CN202021076677 U CN 202021076677U CN 212382686 U CN212382686 U CN 212382686U
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Abstract
The utility model provides a single motor cutting anastomat, which relates to the field of electric anastomats and comprises a driving mechanism, a connecting rod assembly, a transmission mechanism, a firing mechanism and a turning mechanism separated from the firing mechanism, wherein the second gear of the driving gear set of the utility model is in meshing transmission with the turning gear which is in threaded connection with a turning screw rod, thereby realizing the function of direction conversion; the staff pulls the trigger, and the trigger passes through link assembly and drives drive gear group and slide along the transmission shaft, and the second gear breaks away from the turn gear to drive gear group's first gear and percussion gear meshing transmission, percussion gear and percussion screw rod threaded connection, thereby realize the percussion function, the utility model discloses a single motor switches the drive, not only wholly alleviates the weight of anastomat, reduces staff's maloperation's probability moreover, the staff of being convenient for operates.
Description
Technical Field
The utility model relates to an electronic anastomat field especially relates to a single motor cutting anastomat.
Background
The electric anastomat is used for the surgical operation under the open or endoscope, the excision, the transection and the anastomosis of lung, bronchial tissue, stomach and intestines, the current electric anastomat includes cutting anastomat and disposable nail casket, electric anastomat drives disposable nail casket realization direction conversion and percussion by cutting anastomat in the use and advances, thereby make the anastomat have the function of automatic switch-over direction and percussion, but the conversion of these two kinds of functions is realized through different motors, not only cause cutting anastomat weight great, and the bi-motor produces the maloperation easily moreover, be not convenient for medical personnel to operate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a single motor cutting anastomat.
The utility model discloses a realize through following technical scheme: a single-motor cutting anastomat comprises a handle, a trigger, a driving mechanism, a connecting rod assembly, a transmission mechanism, a firing mechanism and a bending mechanism separated from the firing mechanism, wherein the driving mechanism, the connecting rod assembly, the transmission mechanism, the firing mechanism and the bending mechanism separated from the firing mechanism are all positioned in the handle, the driving mechanism comprises a motor and a motor gear, and an output shaft of the motor drives the motor gear to rotate; the transmission mechanism comprises a transmission gear, a transmission shaft and a driving gear set, the transmission gear is in meshing transmission with the motor gear, the transmission shaft is coaxially and fixedly connected with the transmission gear, the driving gear set comprises a first gear and a second gear, the central axes of the first gear and the second gear are overlapped, the driving gear set is in sliding connection with the transmission shaft, the driving gear set is connected with a trigger through a connecting rod assembly, and the transmission gear drives the driving gear set to synchronously rotate through the transmission shaft; the firing mechanism comprises a firing gear and a firing screw rod which are in meshing transmission with the first gear, and the firing screw rod is in threaded connection with the firing gear; the turning mechanism comprises a turning gear and a turning screw rod which are in meshing transmission with the second gear, and the turning screw rod is in threaded connection with the turning gear; when the transmission device works, the connecting rod component drives the driving gear set to be in meshing transmission with the first gear or the second gear.
The second gear of the driving gear set of the utility model is in mesh transmission with the turning gear, and the turning gear is in threaded connection with the turning screw rod, thereby realizing the function of direction conversion; the staff pulls the trigger, and the trigger passes through link assembly and drives drive gear group and slide along the transmission shaft, and the second gear breaks away from the turn gear to drive gear group's first gear and percussion gear meshing transmission, percussion gear and percussion screw rod threaded connection, thereby realize the percussion function, the utility model discloses a single motor drive not only wholly alleviates the weight of anastomat, reduces staff's maloperation's probability moreover, and the staff of being convenient for operates.
According to the above technical scheme, preferably, the middle part of the turning gear is fixedly connected with an outer thread sleeve coaxial with the turning gear, the turning gear is in threaded connection with the turning screw through the outer thread sleeve, the middle part of the firing gear is fixedly connected with an inner thread sleeve coaxial with the firing gear, the inner thread sleeve is positioned in the outer thread sleeve, the inner thread sleeve is rotatably connected with the outer thread sleeve, the firing screw passes through the inner thread sleeve, and the inner thread sleeve is in threaded connection with the firing screw; in addition, the inner threaded sleeve is in threaded connection with the triggering screw rod, so that the triggering gear can drive the triggering screw rod to move back and forth, the triggering function is realized, and the design is more reasonable and stable.
According to the technical scheme, preferably, the bending gear and the external sleeve are in key connection, and the firing gear and the internal sleeve are in key connection, so that the rapid assembly of workers is facilitated.
According to the technical scheme, preferably, the transmission shaft is sleeved with the return spring between the transmission gear and the driving gear set, and the return spring is used for resetting the driving gear set, so that the trigger can be automatically reset.
According to the technical scheme, preferably, the outer side of the outer sleeve is provided with an external thread, the rear end of the turning screw is provided with a nut component matched with the external thread, and the nut component drives the turning screw to move back and forth.
According to the technical scheme, preferably, the inner side of the front end of the inner threaded sleeve is provided with an inner thread matched with the firing screw rod.
According to the technical scheme, preferably, the transmission shaft is parallel to the axis of the firing screw rod, the diameter of the firing gear is smaller than that of the bending gear, and the diameter of the corresponding first gear is larger than that of the second gear.
The utility model has the advantages that: the second gear of the driving gear set of the utility model is in mesh transmission with the turning gear, and the turning gear is in threaded connection with the turning screw rod, thereby realizing the function of direction conversion; the staff pulls the trigger, and the trigger passes through link assembly and drives drive gear group and slide along the transmission shaft, and the second gear breaks away from the turn gear to drive gear group's first gear and percussion gear meshing transmission, percussion gear and percussion screw rod threaded connection, thereby realize the percussion function, the utility model discloses a single motor drive not only wholly alleviates the weight of anastomat, reduces staff's maloperation's probability moreover, and the staff of being convenient for operates.
Drawings
Fig. 1 shows a schematic front view of a cutting stapler in a direction change phase according to an embodiment of the present invention;
fig. 2 shows another front view schematic diagram according to an embodiment of the present invention, when the cutting stapler is in a firing stage;
FIG. 3 shows a schematic perspective view of FIG. 2;
fig. 4 shows a front view of a firing mechanism and a bending mechanism according to an embodiment of the present invention.
Fig. 5 shows a side view of the schematic of fig. 4.
Fig. 6 is a schematic sectional view in the direction of a-a in fig. 5.
In the figure: 1. a handle; 2. a trigger; 3. a drive mechanism; 4. a connecting rod assembly; 5. a transmission mechanism; 6. a firing mechanism; 7. a turning mechanism; 8. a motor; 9. a motor gear; 10. a transmission gear; 11. a drive shaft; 12. a drive gear set; 13. a first gear; 14. a second gear; 15. a return spring; 16. turning the gear; 17. turning the screw rod; 18. an external thread sleeve; 19. a nut member; 20. a firing gear; 21. a percussion screw; 22. an inner threaded sleeve.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figures, the utility model provides a single-motor cutting anastomat, which comprises a handle 1, a trigger 2, a driving mechanism 3, a connecting rod assembly 4, a transmission mechanism 5, a firing mechanism 6 and a bending mechanism 7 separated from the firing mechanism 6, wherein the driving mechanism 3, the connecting rod assembly 4, the transmission mechanism 5, the firing mechanism 6 and the bending mechanism 7 separated from the firing mechanism 6 are all positioned in the handle 1, the driving mechanism 3 comprises a motor 8 and a motor gear 9, and an output shaft of the motor 8 drives the motor gear 9 to rotate; the transmission mechanism 5 comprises a transmission gear 10, a transmission shaft 11 and a driving gear set 12, the transmission gear 10 is in meshing transmission with a motor gear 9, the transmission shaft 11 is coaxially and fixedly connected with the transmission gear 10, the driving gear set 12 is connected with the trigger 2 through a connecting rod assembly 4, the transmission gear 10 drives the driving gear set 12 to synchronously rotate through the transmission shaft 11, the driving gear set 12 comprises a first gear 13 and a second gear 14, the central axes of the two gears are coincident, the driving gear set 12 is in sliding connection with the transmission shaft 11, a return spring 15 is sleeved on the transmission shaft 11 between the transmission gear 10 and the driving gear set 12 and used for resetting the driving gear set 12, so that the trigger 2 can automatically reset, the bending mechanism 7 comprises a bending gear 16 and a bending screw rod 17 in meshing transmission with the second gear 14, and an outer thread sleeve 18 coaxial with the bending gear 16 is fixedly connected to the middle part of the bending gear 16, the outer side of the outer sleeve 18 is provided with an external thread, the rear end of the turning screw 17 is provided with a nut component 19 matched with the external thread, the nut component drives the turning screw 17 to move back and forth, the firing mechanism 6 comprises a firing gear 20 and a firing screw 21 which are in meshing transmission with the first gear 13, the middle part of the firing gear 20 is fixedly connected with an inner sleeve 22 which is coaxial with the firing gear 20, the inner sleeve 22 is positioned in the outer sleeve 18, the inner sleeve 22 is rotatably connected with the outer sleeve 18, the firing screw 21 penetrates through the inner sleeve 22, the inner side of the front end of the inner sleeve 22 is provided with an internal thread matched with the firing screw 21, the inner sleeve 22 is in threaded connection with the firing screw 21, and the outer sleeve 18 is in threaded connection with the turning screw 17, so that the turning gear 16 can drive the turning screw 17 to move back and forth, and the direction conversion function is; in addition, the inner threaded sleeve 22 is in threaded connection with the firing screw 21, so that the firing gear 20 drives the firing screw 21 to move back and forth, and a firing function is realized, and when the firing mechanism works, the connecting rod assembly 4 drives the driving gear set 12 to be in meshing transmission with any one of the first gear 13 or the second gear 14.
The working process comprises the following two working states:
and (3) converting the direction: under the normal state, the second gear 14 is in meshed transmission with the turning gear 16, the turning gear 16 drives the outer sleeve 18 to synchronously rotate, the outer sleeve 18 is in threaded connection with the nut part at the end part of the turning screw 17, and therefore the nut part drives the turning screw 17 to move back and forth;
the percussion process: the staff pulls the trigger 2, the driving gear set 12 slides along the transmission shaft 11, the return spring 15 is compressed under the stress until the second gear 14 is separated from the bending gear 16, the first gear 13 of the driving gear set 12 is in meshing transmission with the triggering gear 20, the triggering gear 20 drives the inner threaded sleeve 22 to synchronously rotate, and the triggering screw 21 moves back and forth due to the fact that the inner side of the front end of the inner threaded sleeve 22 is provided with the inner thread matched with the triggering screw 21, and therefore the triggering screw 21 completes the triggering process.
Further, the turning gear 16 and the external sleeve 18 are keyed, and the firing gear 20 and the internal sleeve 22 are keyed to facilitate quick assembly by a worker.
According to the above embodiment, preferably, the axes of the transmission shaft 11 and the firing screw 21 are parallel, the diameter of the firing gear 20 is smaller than that of the bending gear 16, and the diameter of the corresponding first gear 13 is larger than that of the second gear 14, so that the space in the handle can be effectively utilized to realize stable switching of the drive gear set.
The utility model has the advantages that: the second gear 14 of the driving gear set 12 of the utility model is in meshed transmission with the turning gear 16, and the turning gear 16 is in threaded connection with the turning screw 17, thereby realizing the function of direction conversion; the staff pulls trigger 2, and trigger 2 drives drive gear group 12 through link assembly 4 and slides along transmission shaft 11, and second gear 14 breaks away from turn gear 16 to drive gear group 12's first gear 13 and the meshing transmission of percussion gear 20, percussion gear 20 and percussion screw rod 21 threaded connection, thereby realize the percussion function, the utility model discloses a single motor 8 switches the drive, not only wholly alleviates the weight of anastomat, reduces the probability of staff's maloperation moreover, the staff's of being convenient for operation.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A single-motor cutting anastomat comprises a handle and a trigger, and is characterized by further comprising a driving mechanism, a connecting rod assembly, a transmission mechanism, a firing mechanism and a bending mechanism separated from the firing mechanism, wherein,
the driving mechanism comprises a motor and a motor gear, and an output shaft of the motor drives the motor gear to rotate;
the transmission mechanism comprises a transmission gear, a transmission shaft and a driving gear set, the transmission gear is in meshing transmission with a motor gear, the transmission shaft is coaxially and fixedly connected with the transmission gear, the driving gear set comprises a first gear and a second gear, the central axes of the first gear and the second gear are coincident, the driving gear set is in sliding connection with the transmission shaft, the driving gear set is connected with a trigger through a connecting rod assembly, and the transmission gear drives the driving gear set to synchronously rotate through the transmission shaft;
the firing mechanism comprises a firing gear and a firing screw rod which are in meshing transmission with the first gear, and the firing screw rod is in threaded connection with the firing gear;
the turning mechanism comprises a turning gear and a turning screw rod which are in meshing transmission with the second gear, and the turning screw rod is in threaded connection with the turning gear;
when the transmission device works, the connecting rod assembly drives the driving gear set to be in meshing transmission with the first gear or the second gear.
2. The single-motor cutting stapler as claimed in claim 1, wherein an outer threaded sleeve coaxial with the bending gear is fixedly connected to a middle portion of the bending gear, the bending gear is in threaded connection with the bending screw through the outer threaded sleeve, an inner threaded sleeve coaxial with the firing gear is fixedly connected to a middle portion of the firing gear, the inner threaded sleeve is located inside the outer threaded sleeve, the inner threaded sleeve is rotatably connected with the outer threaded sleeve, the firing screw penetrates through the inner threaded sleeve, and the inner threaded sleeve is in threaded connection with the firing screw.
3. The single motor cutting stapler of claim 2, wherein the bending gear and the external bushing are keyed and the firing gear is keyed to the internal bushing.
4. The single-motor cutting stapler of claim 3, wherein the transmission shaft is sleeved with a return spring between the transmission gear and the driving gear set.
5. The single-motor cutting stapler as claimed in claim 4, wherein the outer side of the outer sleeve is provided with an external thread, and the rear end of the turn screw is provided with a nut member adapted to the external thread.
6. The single-motor cutting stapler according to claim 5, wherein the inner side of the front end of the inner screw sleeve is provided with an inner thread matched with the firing screw.
7. The single motor cutting stapler of claim 6, wherein the drive shaft and the firing screw axis are parallel, the firing gear has a diameter smaller than the diameter of the bending gear, and the corresponding first gear has a diameter larger than the diameter of the second gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021076677.0U CN212382686U (en) | 2020-06-11 | 2020-06-11 | Single-motor cutting anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021076677.0U CN212382686U (en) | 2020-06-11 | 2020-06-11 | Single-motor cutting anastomat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212382686U true CN212382686U (en) | 2021-01-22 |
Family
ID=74254700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021076677.0U Active CN212382686U (en) | 2020-06-11 | 2020-06-11 | Single-motor cutting anastomat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212382686U (en) |
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2020
- 2020-06-11 CN CN202021076677.0U patent/CN212382686U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230926 Address after: Southeast corner, 1st floor, Building C, No. 502 Changting Road, Wujin Economic Development Zone, Changzhou City, Jiangsu Province, 213145 Patentee after: Szeko Precision Machinery Manufacturing Changzhou Co.,Ltd. Address before: 9 Changyang Road, West Taihu science and Technology Industrial Park, Changzhou, Jiangsu Province 213000 Patentee before: Rebe medical devices (Changzhou) Co.,Ltd. |
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| TR01 | Transfer of patent right |