CN209032492U - Intracavitary Endo-GIA and its head varying mechanism - Google Patents
Intracavitary Endo-GIA and its head varying mechanism Download PDFInfo
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- CN209032492U CN209032492U CN201821222294.2U CN201821222294U CN209032492U CN 209032492 U CN209032492 U CN 209032492U CN 201821222294 U CN201821222294 U CN 201821222294U CN 209032492 U CN209032492 U CN 209032492U
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- lead screw
- fixed plate
- gia
- drive lead
- varying mechanism
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Abstract
The utility model discloses a kind of intracavitary Endo-GIA and its head varying mechanism, the yaw link block and drive lead screw being connected including screw thread；The bottom face of yaw link block is integrally connected with a yaw pulling-on piece；Drive lead screw is suitable for that the driving assembly of drive lead screw rotation is driven to be connected with one；And driving assembly includes the driven gear being set on drive lead screw one end, engages connected driving gear, and the drive shaft being connected with driving gear with the driven gear；The drive shaft is suitable for that the driver of drive shaft rotation is driven to be connected by one.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of intracavitary Endo-GIA and its head change
Motivation structure.
Background technique
During the intracavitary Endo-GIA use used in Minimally Invasive Surgery, often need using rotary head control structure tune
The steering of whole stapler is so that Endo-GIA is clamped for needing to be carried out accurately positioning by the tissue of osculating
It is cut again afterwards.Since Endo-GIA is applied in Minimally Invasive Surgery, the instrument that Minimally Invasive Surgery requires has structure simply easy
The characteristics of operation, therefore, the varying mechanism for adjusting Endo-GIA head also required that structure letter to simplify surgical procedure
It is single easy to operate.
Utility model content
First purpose of the utility model is to provide a kind of head varying mechanism of intracavitary Endo-GIA, to solve to simplify
The structure of head varying mechanism and the convenient technical problem of operation.
Second purpose of the utility model is to provide a kind of intracavitary Endo-GIA, to solve to simplify head varying mechanism
Structure and the convenient technical problem of operation.
The head varying mechanism of the intracavitary Endo-GIA of the utility model is achieved in that
A kind of head varying mechanism of intracavitary Endo-GIA, comprising: screw thread connected yaw link block and drive lead screw；
The bottom face of the yaw link block is integrally connected with a yaw pulling-on piece；
The drive lead screw is suitable for that the driving assembly of drive lead screw rotation is driven to be connected with one；And
The driving component includes the driven gear being set on the drive lead screw one end, engages with the driven gear
Connected driving gear, and the drive shaft being connected with the driving gear；The drive shaft is suitable for driving drive shaft rotation by one
The driver turned is connected.
In the utility model preferred embodiment, the driver uses high torque motor.
In the utility model preferred embodiment, the end of the remote driven gear of the drive lead screw is rotationally connected with
In one fixed plate；
The end that the drive lead screw is arranged with driven gear is rotationally connected in the second fixed plate；And
The end of the nearly driver of the drive shaft is rotatably connected in second fixed plate；
The end of the remote driver of the drive shaft is rotationally connected in third fixed plate.
In the utility model preferred embodiment, first fixed plate, the second fixed plate and third fixed plate with
One backboard is connected.
In the utility model preferred embodiment, between the drive lead screw and the first fixed plate and the second fixed plate
It is realized and is rotatablely connected by first bearing；
It is realized and is rotatablely connected by second bearing between the drive shaft and the second fixed plate and third fixed plate.
In the utility model preferred embodiment, it is sliding that the backboard is equipped with one parallel with the drive lead screw first
Slot；And
The yaw link block is equipped with towards the end face of the backboard to be inserted in the first sliding groove and is suitable for along the
The double wedge of one sliding slot sliding.
In the utility model preferred embodiment, the yaw link block is set in the middle part of the end face of the yaw pulling-on piece
There is a convex wing parallel with the drive lead screw；And
The second sliding slot for being suitable for the convex wing sliding is equipped in the head shell inner wall of intracavitary Endo-GIA.
In the utility model preferred embodiment, the high torque motor is suitable for controlling the high torque motor with one and rotates forward
It is connected with the control circuit module of reversion.
The intracavitary Endo-GIA of the utility model is achieved in that
A kind of intracavitary Endo-GIA, including the head varying mechanism.
Using above-mentioned technical proposal, the utility model is with once the utility model has the advantages that the intracavitary cutting of the utility model
Stapler and its head varying mechanism, the yaw link block that yaw pulling-on piece is integrally connected pass through the rotation drive by drive lead screw
Yaw link block axially moves linearly along drive lead screw, so that yaw pulling-on piece realizes the synchronous axis along drive lead screw
Line linear movement, overall process structure is simple, can accurately realize that yaw connects by the driving assembly of driving drive lead screw rotation
The linear movement track of block is connect, it is convenient to operate.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the head varying mechanism of the intracavitary Endo-GIA of the embodiments of the present invention
One；
Fig. 2 is the schematic diagram of housing structure on the head of the intracavitary Endo-GIA of the embodiments of the present invention；
Fig. 3 is the schematic diagram of internal structure of the head varying mechanism of the intracavitary Endo-GIA of the embodiments of the present invention
Two；
Fig. 4 is the schematic diagram of internal structure of the head varying mechanism of the intracavitary Endo-GIA of the embodiments of the present invention
Three.
In figure: shell 1, yaw pulling-on piece 2, the first fixed plate 3, the second fixed plate 4, third fixed plate 5, backboard 6, first are sliding
Slot 7, half sliding slot 8, yaw link block 100, double wedge 102, convex wing 103, drive lead screw 200, driven gear 300, driving gear
400, driver 500, drive shaft 501.
Specific embodiment
In order to make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model.
Embodiment 1:
Shown in please referring to Fig.1 to Fig.4, a kind of head varying mechanism of intracavitary Endo-GIA is present embodiments provided, is wrapped
It includes: screw thread connected yaw link block 100 and drive lead screw 200；The bottom face of yaw link block 100 and a yaw pulling-on piece 2 one
Body is connected, and yaw pulling-on piece 2 is used to be connected with the movable component of intracavitary Endo-GIA, such as, but not limited to nail bin, passes through yaw
The movement of pulling-on piece 2 can synchronize the movement for realizing the movable component of intracavitary Endo-GIA.Specifically, due to drive lead screw 200 with
100 screw thread of yaw link block is connected, and when drive lead screw 200 rotates, yaw link block 100 can be along the side of drive lead screw 200
To direct motion track is generated, so that yaw link block 100 during linear movement, drives the same of yaw pulling-on piece 2
Moved further.
Specifically, being suitable for driving the drive lead screw 200 rotation by drive lead screw 200 and one when the rotation of drive lead screw 200
The driving assembly turned is connected to realize.Wherein, the driving assembly that the present embodiment uses includes being set in 200 one end of drive lead screw
Driven gear 300 in portion engages connected driving gear 400 with the driven gear 300, and is connected with driving gear 400
Drive shaft 501；The driver 500 that the drive shaft 501 by one is suitable for that the drive shaft 501 is driven to rotate is connected.It needs to illustrate
It is that drive shaft 501 herein can be the own drive shaft 501 of 500 body construction of driver, can also be independent drive shaft
501, drive shaft 501 at this time is connected with the power output part of driver 500 by shaft coupling, so that driver 500 can be with
The rotation that drive shaft 501 realizes drive shaft 501 is outputted power to, absolute limit is not done to this present embodiment, in the present embodiment
In only by taking drive shaft 501 is the structure that 500 ontology of driver is had by oneself as an example, with the internal structure of the intracavitary Endo-GIA of simplification,
Reduce the use of shaft coupling.During specifically used, the forward and reverse by controlling driver 500 is operated, so that drive shaft
501 corresponding forward and reverse rotations, in the rotary course of drive shaft 501,400 synchronous rotary of driving gear, due to driven tooth
The engagement of wheel 300 and driving gear 400, driven gear 300 is generated to be rotated with the synchronous backward of driving gear 400, so far,
Then drive lead screw 200 realizes the rotation of forward and reverse correspondingly under the action of driven gear 300, finally, so that driving wire
The rotation of the forward and reverse of bar 200 realizes that yaw link block 100 is moved back and forth along the rectilinear direction of drive lead screw 200,
In moving process, 2 synchronizing moving of yaw pulling-on piece is driven.
Optionally, the driver 500 that the present embodiment uses uses high torque motor.In order to realize the driving of high torque motor
Under effect, the rotation of 200 forward and reverse of drive lead screw, the high torque motor that the present embodiment uses is suitable for controlling the big torsion with one
The control circuit module of torque motor forward and reverse is connected.Control circuit module herein is optional using in the prior art any
As long as kind, which is able to achieve the control circuit module accurately rotated and reverse for the high torque motor, can meet making for the present embodiment
With demand, such as a kind of control motor positive and inverse driving circuit disclosed in authorization Publication No. CN102957362B, in another example public
The number of opening is motor constant-speed forward positive and reverse rotation control circuit disclosed in CN101997468B.It has been ripe for the control that motor rotates and reverse
The public technology known, this embodiment is not repeated.
For the ease of drive lead screw 200 being fixed in the head shell 1 of intracavitary Endo-GIA, drive lead screw 200
The end of remote driven gear 300 is rotationally connected in the first fixed plate 3；Drive lead screw 200 is arranged with the end of driven gear 300
It is rotationally connected in the second fixed plate 4；And the end of the nearly driver 500 of drive shaft 501 is rotatably connected on the second fixed plate 4
On；The end of the remote driver 500 of drive shaft 501 is rotationally connected in third fixed plate 5.And the first fixed plate 3, second is fixed
Plate 4 and third fixed plate 5 are connected with a backboard 6.The first fixed plate 3, the second fixed plate 4 and third fixed plate 5 herein, with
And backboard 6 is connected with 1 inner wall of head shell of intracavitary Endo-GIA.
Optionally, in order to enable drive lead screw 200 smooth rotation and stabilization in rotary course, drive lead screw 200 and
It is realized and is rotatablely connected by first bearing between one fixed plate 3 and the second fixed plate 4；Likewise, in order to enable drive shaft 501
Smooth rotation and stabilization in rotary course pass through second between drive shaft 501 and the second fixed plate 4 and third fixed plate 5
Bearing realizes rotation connection.
It please refers to shown in Fig. 4, optionally, although edge may be implemented under the action of drive lead screw 200 in yaw link block 100
The linear movement of drive lead screw 200, it is contemplated that improve 100 moving process of yaw link block trajectory stability, this reality
It applies example and is equipped with a first sliding groove 7 parallel with drive lead screw 200 on backboard 6；And yaw link block 100 is towards backboard 6
End face is equipped with the double wedge 102 inserted and in first sliding groove 7 and be suitable for sliding along first sliding groove 7.Pass through double wedge 102 and first
Sliding slot 7 be slidably matched so that first sliding the limit of track has been carried out for the movement of yaw link block 100, can prevent from putting
The problem of such as shaking for the mobile shakiness that head link block 100 is likely to occur in moving process.
It please refers to shown in Fig. 4, also optionally, yaw link block 100 is equipped with one and biography in the middle part of the end face of yaw pulling-on piece 2
The parallel convex wing 103 of dynamic screw rod 200；And it is equipped in 1 inner wall of head shell of intracavitary Endo-GIA suitable for the sliding of convex wing 103
Second sliding slot.The mating reaction of convex wing 103 and second sliding slot herein and the effect of double wedge 102 and first sliding groove 7 are identical, together
Sample is to improve yaw link block 100 in the stability of the rectilinear direction moving process along drive lead screw 200.It is certainly contemplated that
To the assembling convenience of intracavitary Endo-GIA head shell 1, shell 1 may include symmetrically arranged and be suitable for being assembled into shell
1 two whole half shells 1, therefore, second sliding slot at this time includes half sliding slot 8 being located in two half shells 1, by
Half sliding slot 8 being located in two half shells 1 cooperatively forms whole second sliding slot.
Embodiment 2:
On the basis of the head varying mechanism of the intracavitary Endo-GIA of embodiment 1, a kind of chamber is present embodiments provided
Internal cutting stapler, the head varying mechanism including implementing 1.
Above specific embodiment has carried out further in detail the purpose of this utility model, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above are only specific embodiments of the present invention, it is practical new to be not limited to this
Type, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection scope of utility model.
In the description of the present invention, it should be understood that indicating position or the term of positional relationship are based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute
The equipment or element of finger must have a particular orientation, is constructed and operated in a specific orientation, therefore should not be understood as to this reality
With novel limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the mechanism of indication or suggestion meaning or element must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level
Height is less than second feature.
Claims (9)
1. a kind of head varying mechanism of intracavitary Endo-GIA characterized by comprising the connected yaw link block of screw thread and
Drive lead screw；
The bottom face of the yaw link block is integrally connected with a yaw pulling-on piece；
The drive lead screw is suitable for that the driving assembly of drive lead screw rotation is driven to be connected with one；And
The driving component includes the driven gear being set on the drive lead screw one end, engages with the driven gear and to be connected
Driving gear, and the drive shaft being connected with the driving gear；The drive shaft is suitable for driving drive shaft rotation by one
Driver is connected.
2. the head varying mechanism of intracavitary Endo-GIA according to claim 1, which is characterized in that the driver is adopted
Use high torque motor.
3. according to claim 1 or the head varying mechanism of 2 described in any item intracavitary Endo-GIAs, which is characterized in that institute
The end for stating the remote driven gear of drive lead screw is rotationally connected in the first fixed plate；
The end that the drive lead screw is arranged with driven gear is rotationally connected in the second fixed plate；And
The end of the nearly driver of the drive shaft is rotatably connected in second fixed plate；
The end of the remote driver of the drive shaft is rotationally connected in third fixed plate.
4. the head varying mechanism of intracavitary Endo-GIA according to claim 3, which is characterized in that described first is fixed
Plate, the second fixed plate and third fixed plate are connected with a backboard.
5. the head varying mechanism of intracavitary Endo-GIA according to claim 4, which is characterized in that the drive lead screw
It is realized and is rotatablely connected by first bearing between the first fixed plate and the second fixed plate；
It is realized and is rotatablely connected by second bearing between the drive shaft and the second fixed plate and third fixed plate.
6. according to the head varying mechanism of the described in any item intracavitary Endo-GIAs of claim 4 or 5, which is characterized in that institute
Backboard is stated equipped with a first sliding groove parallel with the drive lead screw；And
The yaw link block is equipped with towards the end face of the backboard to be inserted in the first sliding groove and is suitable for sliding along first
The double wedge of slot sliding.
7. the head varying mechanism of intracavitary Endo-GIA according to claim 1, which is characterized in that the yaw connection
Block is equipped with a convex wing parallel with the drive lead screw in the middle part of the end face of the yaw pulling-on piece；And
The second sliding slot for being suitable for the convex wing sliding is equipped in the head shell inner wall of intracavitary Endo-GIA.
8. the head varying mechanism of intracavitary Endo-GIA according to claim 2, which is characterized in that the large torque electricity
The control circuit module that machine is suitable for controlling the high torque motor forward and reverse with one is connected.
9. a kind of intracavitary Endo-GIA, which is characterized in that kissed including intracavitary cutting as described in any one of claims 1 to 8
The head varying mechanism of clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821222294.2U CN209032492U (en) | 2018-07-31 | 2018-07-31 | Intracavitary Endo-GIA and its head varying mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821222294.2U CN209032492U (en) | 2018-07-31 | 2018-07-31 | Intracavitary Endo-GIA and its head varying mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN209032492U true CN209032492U (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821222294.2U Active CN209032492U (en) | 2018-07-31 | 2018-07-31 | Intracavitary Endo-GIA and its head varying mechanism |
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| CN (1) | CN209032492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023093749A1 (en) * | 2021-11-23 | 2023-06-01 | 天臣国际医疗科技股份有限公司 | Head swinging mechanism and medical stapler |
-
2018
- 2018-07-31 CN CN201821222294.2U patent/CN209032492U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023093749A1 (en) * | 2021-11-23 | 2023-06-01 | 天臣国际医疗科技股份有限公司 | Head swinging mechanism and medical stapler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213022 Block B, No. 26 Huashan Middle Road, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Jiangsu jianruibao Medical Technology Co., Ltd Address before: 213022 Block B, No. 26 Huashan Middle Road, Xinbei District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU HEALTHYPOWER MEDICAL INSTRUMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |