CN209032500U - The head adjustment mechanism of intracavitary Endo-GIA - Google Patents
The head adjustment mechanism of intracavitary Endo-GIA Download PDFInfo
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- CN209032500U CN209032500U CN201821222196.9U CN201821222196U CN209032500U CN 209032500 U CN209032500 U CN 209032500U CN 201821222196 U CN201821222196 U CN 201821222196U CN 209032500 U CN209032500 U CN 209032500U
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- Prior art keywords
- latch segment
- lock core
- locking rack
- rotary table
- face
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Abstract
The utility model discloses a kind of head adjustment mechanisms of intracavitary Endo-GIA, latch segment and locking rack including being suitable for engaging locking, and engage and isolated driving unit suitable for driving latch segment relative to locking rack.The end face that latch segment is suitable for engaging with locking rack is set as serrated face；The bottom face of locking rack is integrally connected with a yaw pulling-on piece；And driving unit includes that part is connected with latch segment sliding and is suitable for the lock core and the driving assembly for being suitable for vertically moving relative to latch segment with movable lock core that is connected with lock core that drive latch segment relative to locking rack transverse shifting；I.e. when lock core is longitudinally moved down relative to latch segment, latch segment is then gradually disengaged relative to locking rack；And when lock core is longitudinally moved up relative to latch segment, latch segment is then progressively engaged relative to locking rack.
Description
Technical field
The utility model relates to the heads of the field of medical instrument technology more particularly to a kind of intracavitary Endo-GIA to adjust machine
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.In above process, the design of rotary head control structure needs to consider to be convenient for manual operation, manually-operated
In the process, another hand can be discharged with design convenient for one-handed performance control to carry out other operation sequences to be more in line with reality micro-
The use demand of invasive procedures.
Utility model content
The purpose of the utility model is to provide a kind of head adjustment mechanisms of intracavitary Endo-GIA, to solve convenient for one hand
The technical issues of control operation rotary head control.
The head adjustment mechanism of the intracavitary Endo-GIA of the utility model is achieved in that
A kind of head adjustment mechanism of intracavitary Endo-GIA, comprising: suitable for engaging the latch segment and locking rack of locking,
And suitable for driving the latch segment to engage and isolated driving unit relative to locking rack；Wherein
The end face that the latch segment is suitable for engaging with locking rack is set as serrated face；
The bottom face of the locking rack is integrally connected with a yaw pulling-on piece；And
The driving unit includes that part is connected with latch segment sliding and is suitable for driving latch segment relative to locking
The lock core of rack gear transverse shifting and it is connected with the lock core and is suitable for vertically moving with movable lock core relative to the latch segment
Driving assembly；I.e.
When lock core is longitudinally moved down relative to latch segment, latch segment is then gradually disengaged relative to locking rack；And
When lock core is longitudinally moved up relative to latch segment, latch segment is then progressively engaged relative to locking rack.
In the utility model preferred embodiment, the latch segment is equipped with one perpendicular to the logical of the yaw pulling-on piece
The cell wall of slot, the remote serrated face of the through slot is set as inclined surface；The notch size of the bottom end in through slot corresponding tilt face is small
In the notch size of the top end in the through slot corresponding tilt face；
The end face for the part that the lock core is connected with latch segment sliding includes one suitable for the inclination with the latch segment
The beveled end that face is agreed with；
The position of through slot described in face is equipped with a rectangular channel for being parallel to locking rack on the yaw pulling-on piece；The rectangle
Slot is suitable for the lock core and passes through；There is gap between the latch segment and the yaw pulling-on piece.
In the utility model preferred embodiment, the length of the serrated face of the locking rack is greater than the latch segment
The length of serrated face.
In the utility model preferred embodiment, further include with the lock core top end part be connected be suitable for band movable lock core
The nut cap of longitudinal movement, and the button for being suitable for pressing nut cap being connected with the nut cap；Wherein
The button includes the basic portion being sleeved in the nut cap, and is integrally provided on the extension of the basic portion periphery
Portion；
The extension includes the excessive portion of transverse direction being connected with the basic portion, and be connected with the excessive portion of the transverse direction
And longitudinal portion with the basic portion parallelly distribute on.
In the utility model preferred embodiment, a connecting seat is covered with outside the latch segment；The attachment base packet
The wing of the matrix for being provide with latch segment, half arc for being integrally provided on described matrix periphery is included, and is integrally provided on the base
Boss that is at the top of body and being coaxially distributed with described matrix；Wherein
The first ladder is formed between the wing and matrix；The second ladder is formed between described matrix and boss.
In the utility model preferred embodiment, described matrix is equipped with one and is suitable for accommodating the latch segment and is suitable for locking
The mobile accommodating chamber of block；The bottom end of the accommodating chamber is set as the first opening；And the accommodating chamber corresponds to the sawtooth of the latch segment
The side in face is set to the second opening of the serrated face stretching suitable for latch segment；And
First back-moving spring is equipped between the end of the remote locking rack of the cavity wall and latch segment of the accommodating chamber；
Described matrix and the coaxial wears groove for being provided with one while penetrating through boss and matrix of boss；
The wears groove is suitable for the lock core and passes through.
In the utility model preferred embodiment, a connection frame is equipped between the button and attachment base；The connection
Frame includes base portion and the alar part for being integrally provided on the base portion periphery；
The alar part include the lateral connection portion being connected with the base portion and be connected with the lateral connection portion and with
The parallel longitudinal extension part of the base portion；
The bottom face of the base portion is connected with the upper surface of the wing；And
The longitudinal extension part is towards there are skies between the interior sidewall surface of base portion and the lateral wall in longitudinal portion of the button
Gap；
The periphery of the nut cap is integrally provided on the rotary table portion for being suitable for abutting with the base portion；
The bottom face in the rotary table portion offers the recessed groove protruded into suitable for described matrix part.
In the utility model preferred embodiment, connect in the laterally excessive portion of the button and the transverse direction of the connection frame
Second back-moving spring is equipped between socket part；
The one end of the second back-moving spring is connected with the excessive portion of the transverse direction；And the second back-moving spring is another
One end is connected with the lateral connection portion.
In the utility model preferred embodiment, the rotary table portion includes the big rotary table portion being integrally connected and small rotary table
Portion；The diameter in the big rotary table portion is greater than the diameter in small rotary table portion；
The small rotary table portion is abutted with the base portion；And
The big rotary table portion is arranged towards attachment base；The small rotary table portion is arranged towards button.
In the utility model preferred embodiment, the end face that the base portion is abutted with small rotary table portion is equipped with a pair of of protrusion
Engaging lug；And
Outboard end in the small rotary table portion is equipped with a pair of guide groove for being suitable for abutting with engaging lug.
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
The head adjustment mechanism of stapler, the motion profile by controlling lock core can be realized between latch segment and locking rack
Engagement and isolated control, so that locking rack is able to be locked or discharge, and then are integrally connected convenient for locking rack
Yaw pulling-on piece realize synchronous release and can be adjusted.In above process, it is only necessary to one hand control pressing for lock core
It is dynamic that aforesaid operations can be realized, so, the head adjustment mechanism operation of the intracavitary Endo-GIA of the utility model is convenient, can be with
Realize that release another hand carries out other surgical procedures during operation.
Detailed description of the invention
Fig. 1 is the overall structure signal of the head adjustment mechanism of the intracavitary Endo-GIA of the embodiments of the present invention
Figure；
Fig. 2 is the first visual angle of inside knot of the head adjustment mechanism of the intracavitary Endo-GIA of the embodiments of the present invention
Structure schematic diagram；
Fig. 3 is the second visual angle of inside knot of the head adjustment mechanism of the intracavitary Endo-GIA of the embodiments of the present invention
Structure schematic diagram；
Fig. 4 is the partial structurtes of the inside of the head adjustment mechanism of the intracavitary Endo-GIA of the embodiments of the present invention
Schematic diagram；
Fig. 5 is the partial structurtes of the inside of the head adjustment mechanism of the intracavitary Endo-GIA of the embodiments of the present invention
Schematic diagram；
Fig. 6 is the latch segment and lock core of the head adjustment mechanism of the intracavitary Endo-GIA of the embodiments of the present invention
Structural schematic diagram；
Fig. 7 is that the structure of the latch segment of the head adjustment mechanism of the intracavitary Endo-GIA of the embodiments of the present invention is shown
It is intended to；
Fig. 8 is the structural representation of the lock core of the head adjustment mechanism of the intracavitary Endo-GIA of the embodiments of the present invention
Figure；
Fig. 9 is the lock core and latch segment of the head adjustment mechanism of the intracavitary Endo-GIA of the embodiments of the present invention
Structural schematic diagram under original state；
Figure 10 is the lock core and latch segment of the head adjustment mechanism of the intracavitary Endo-GIA of the embodiments of the present invention
Lock core pressed status under structural schematic diagram.
In figure: latch segment 100, serrated face 102, through slot 103, inclined surface 105, locking rack 200, yaw pulling-on piece 300, square
Shape slot 302, lock core 400, beveled end 402, L shape right angle end 403, basic portion 501, pin hole 502, laterally excessive portion 503, longitudinal direction portion
505, matrix 601, wing 603, boss 602, accommodating chamber 605, first back-moving spring 606, accommodating groove 608, wears groove 609, nut cap
701, big rotary table portion 702, small rotary table portion 703, guide groove 705, base portion 801, lateral connection portion 802, longitudinal extension part 803, company
Lug 805, second back-moving spring 900.
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.
It please refers to shown in Fig. 1 to Fig. 8, present embodiments provides a kind of head adjustment mechanism of intracavitary Endo-GIA, wrap
It includes: latch segment 100 and locking rack 200 suitable for engaging locking, and it is suitable for driving latch segment 100 relative to locking rack
200 engage and isolated driving unit.
Specifically, the end face that latch segment 100 is suitable for engaging with locking rack 200 is set as serrated face 102；Locking rack
200 bottom face is integrally connected with a yaw pulling-on piece 300, and yaw pulling-on piece 300 herein is integrally connected with locking rack 200
Mode using such as, but not limited to weld.The serrated face 102 of latch segment 100 with the serrated face of locking rack 200 for engaging
It is connected.When being integrally connected so that locking rack 200 engages fixed with latch segment 100 of locking rack 200 and yaw pulling-on piece 300
It waits, the realization lock state synchronous with locking rack 200 of yaw pulling-on piece 300 can not implement the operation for yaw pulling-on piece 300.Only
Have when locking rack 200 separates the release for realizing locking rack 200 with the serrated face 102 of latch segment 100, yaw is drawn
Piece 300 can just be synchronized release so as to implement to operate to it.
The driving unit used in the present embodiment includes that part is slided being connected and is suitable for driving latch segment with latch segment 100
100 are connected relative to the lock core 400 of 200 transverse shifting of locking rack and with lock core 400 is suitable for band movable lock core 400 relatively
In the driving assembly that latch segment 100 vertically moves；I.e. when lock core 400 is moved down relative to 100 longitudinal direction of latch segment, latch segment 100
Then it is gradually disengaged relative to locking rack 200；And when lock core 400 is moved up relative to 100 longitudinal direction of latch segment, latch segment 100 is then
It is progressively engaged relative to locking rack 200.Specifically, the present embodiment is acted using the band that lock core 400 carries out latch segment 100
With so that latch segment 100 is engaged relative to locking rack 200 and isolated movement, in the process, realization is for locking teeth
The effect of locking and the release of item 200.
Fig. 9 and Figure 10 are please referred to, during above-mentioned lock core 400 drives latch segment 100 mobile, lock core 400 is specifically
By as flowering structure is realized for the driving effect of latch segment 100, specifically, being equipped on latch segment 100 one perpendicular to pendulum
The through slot 103 for being suitable for lock core 400 and being inserted into of head pulling-on piece 300, the cell wall of the remote serrated face 102 of the through slot 103 are set as inclined surface
105；The notch size of the bottom end in 103 corresponding tilt face 105 of through slot is less than the top end in the 103 corresponding tilt face 105 of through slot
Notch size, herein it should be noted that in the state that latch segment 100 is engaged with locking rack 200, be located at through slot 103
There are lateral spacing R, spacing R to be designed between the cell wall of the nearly serrated face 102 of interior lock core 400 and through slot 103
There are activity spaces during to the pushing movement of lock core 400.And lock core 400 slides the end for the part being connected with latch segment 100
Face includes a beveled end 402 for being suitable for agreeing with the inclined surface 105 of latch segment 100, in addition to beveled end 402, the bottom of lock core 400
End face also has the L shape right angle end 403 being connected with beveled end 402, in the state that latch segment 100 is engaged with locking rack 200,
L shape right angle end 403 can be entirely located in through slot 103, can also partly be exposed outside through slot 103, and when lock core 400 pushes
In mobile process, L shape right angle end 403 is suitable for stretching out from the notch of the bottom end in 103 corresponding tilt face 105 of through slot to be inserted into
In the rectangular channel 302 of yaw pulling-on piece 300；The position of face through slot 103 is equipped with one and is parallel to locking rack on yaw pulling-on piece 300
200 rectangular channel 302, the L shape right angle end 403 that rectangular channel 302 is suitable for lock core 400 pass through, and mobile process is pushed in lock core
In, the spacing R between the cell wall of the nearly serrated face 102 of the side wall and through slot 103 of lock core 400 gradually becomes smaller, in the process to become smaller
In, can be when lock core 400 push it is mobile after the completion of, the cell wall of the nearly serrated face 102 of the side wall and through slot 103 of lock core 400 it
Between there is also small spacing, can also make, the side wall of lock core 400 sticks on the cell wall of nearly serrated face 102 of through slot 103,
In this regard, the present embodiment does not do absolute restriction.Herein it should be noted that rectangular channel 302 is parallel with locking rack 200, in this way
The meaning of design be, during the pushing of lock core 400 is moved to insertion rectangular channel 302, latch segment 100 and locking teeth
The engagement locking relationship of item 200 disappears, at this point, locking rack 200 is released, then yaw pulling-on piece 300 can be in external effect
Lower realization is moved along the direction of rectangular channel 302, and since lock core 400 is partly plugged in rectangular channel 302, lock
Core 400 also constitutes the limit effect of 300 moving process of yaw pulling-on piece, and drives locking rack 200 same in yaw pulling-on piece 300
After step is moved along the direction of rectangular channel 302 to complete the adjustment of the head of Endo-GIA, for the work of the application of yaw pulling-on piece 300
It firmly then disappears, yaw pulling-on piece 300 and locking rack 200 stop movement at this time；Have between latch segment 100 and yaw pulling-on piece 300
There is gap, the presence in gap makes latch segment 100 in the process of moving, will not generate the friction between yaw pulling-on piece 300
Power, i.e., the movement formation between the yaw pulling-on piece 300 that will not make and latch segment 100 influence each other.In latch segment 100 and locking teeth
In the state that item 200 engages, the beveled end 402 of lock core 400 is bonded with the inclined surface 105 of through slot 103,400 part status of lock core
In through slot 103, and the bottom end of through slot 103 is not stretched out in；And when the separation for needing to realize latch segment 100 Yu locking rack 200
When, lock core 400 is relative to the longitudinal pushing of latch segment 100, and in this process, the inclined surface 105 of latch segment 100 will cause
Lock core 400 pushes the resistance of process, and therefore, during the continuous pushing of latch segment 100, latch segment 100 is to far from locking teeth
The direction transverse shifting of item 200, to gradually decrease resistance of the inclined surface 105 for lock core 400 of latch segment 100, in this mistake
Cheng Zhong, with gradually moving for latch segment 100, latch segment 100 is separated with the realization of locking rack 200, so that locking rack
200 are released.
Since locking rack 200 and yaw pulling-on piece 300 are integrally connected, so that locking rack 200 can be with yaw pulling-on piece 300
Synchronizing moving, so the serrated face on locking rack 200 needs to form and locking teeth after the movement for completing yaw pulling-on piece 300
New meshing relation between item 200, thus, the length of the serrated face of the locking rack 200 of the present embodiment design is greater than latch segment
The length of 100 serrated face 102.
For the ease of pressing lock core 400, head adjustment mechanism further includes being connected with 400 top end part of lock core with suitable
In the nut cap 701 vertically moved with movable lock core 400, and the button for being suitable for pressing nut cap 701 being connected with nut cap 701, i.e., it is logical
Crossing push button can be realized pressing for lock core 400.Optionally, herein optional use between lock core 400 and nut cap 701
The mode of such as, but not limited to interference clamping is connected.And using such as, but not limited to solid between button herein and nut cap 701
The mode of rationed marketing connects, and specifically can open up the pin hole 502 passed through suitable for fixed pin nut cap 701 is corresponding on button.
Wherein button includes the basic portion 501 being sleeved in nut cap 701, and is integrally provided on prolonging for 501 periphery of basic portion
Extending portion；For being connected with nut cap 701, i.e., above-mentioned pin hole 502 is provided in basic portion 501 basic portion 501.Extension include with
Basic portion 501 be connected laterally excessively portion 503, and with laterally excessively portion 503 be connected and it is with 501 parallelly distribute on of basic portion
Longitudinal portion 505.
A connecting seat is covered with outside latch segment 100；Attachment base includes for being provide with the matrix 601 of latch segment 100, one
Set on the wing 603 of half arc of 601 periphery of matrix, and be integrally provided on the top of matrix 601 and with matrix 601 is coaxial divides
The boss 602 of cloth；The first ladder is wherein formed between wing 603 and matrix 601；It is formed between matrix 601 and boss 602
Second ladder.In this structure basis, optionally, between the matrix 601 of nut cap 701 and attachment base there are certain spacing so as to
It pushes and moves with movable lock core 400 in the basic portion 501 of nut cap 701, it is also optional, it is provided on the boss 602 of attachment base pair
Answer the recessed embedding accommodating groove 608 for being suitable for partial insertion during nut cap 701 is pushed with movable lock core 400 of nut cap 701.Above-mentioned two
The pushing again not by attachment base with movable lock core 400 of basic portion 501 that the optional structure of kind can be achieved convenient for nut cap 701
It influences.
Again specifically, matrix 601, which is equipped with one, is suitable for accommodating latch segment 100 and the accommodating chamber mobile suitable for latch segment 100
605；The bottom end of the accommodating chamber 605 is set as the first opening, and the setting of the first opening is used to be convenient for lock core 400 from the first opening
It stretches out；And the side of the serrated face of the corresponding latch segment 100 of accommodating chamber 605 is set to the serrated face stretching suitable for latch segment 100
Second opening；And first is equipped between the end of the remote locking rack 200 of the cavity wall and latch segment 100 of accommodating chamber 605 and is resetted
Spring 606, the main function of first back-moving spring 606 herein are when lock core 400 pushes, and latch segment 100 is in lock core
Direction under the action of 400 by trend far from locking rack 200 is mobile, and first back-moving spring 606 is compressed at this time, and works as lock core
400 when move up, and under the reset response power of first back-moving spring 606, latch segment 100 is gradually to close to locking rack
200 direction is mobile, is realized again with to restore initial position and engages locking with locking rack 200.Matrix 601 and boss 602
The coaxial wears groove 609 for being provided with one while penetrating through boss 602 Yu matrix 601, wears groove 609 are connected to accommodating chamber 605.This is worn
Slot 609 is suitable for lock core 400 and passes through.When the boss 602 of attachment base is provided with 501 partial insertion of basic portion suitable for nut cap 701
When accommodating groove 608, accommodating groove 608 at this time is connected to wears groove 609.
Again specifically, being equipped with a connection frame between button and attachment base；The connection frame includes base portion 801 and integrally sets
Alar part in 801 periphery of base portion；Alar part include the lateral connection portion 802 being connected with base portion 801 and with lateral connection portion 802
Longitudinal extension part 803 connected and parallel with base portion 801；The bottom face of base portion 801 is connected with the upper surface of wing 603；With
And longitudinal extension part 803 is towards there are gaps between the interior sidewall surface of base portion 801 and the lateral wall in longitudinal portion 505 of button.This
The hole at place makes button during pressing, and connection frame not will form the resistance for button.
The periphery of nut cap 701 is integrally provided on the rotary table portion for being suitable for abutting with base portion 801；The bottom face in rotary table portion offers suitable
In the recessed groove 706 that matrix 601 partially protrudes into.The design of recessed groove 706 is so that the mistake pushed in nut cap 701 with movable lock core 400
Cheng Zhong, orderly cooperates between attachment base and rotary table portion, does not constitute resistance and obstacle that nut cap 701 is pushed with movable lock core 400.
Rotary table portion includes the big rotary table portion 702 and small rotary table portion 703 being integrally connected；The diameter in big rotary table portion 702 is greater than small
The diameter in rotary table portion 703；Small rotary table portion 703 is abutted with base portion 801；And big rotary table portion 702 is arranged towards attachment base, recessed groove
706 are set to big rotary table portion 702 towards on the end face of attachment base；Small rotary table portion 703 is arranged towards button.Base portion 801 and small rotary table
The end face that portion 703 abuts is equipped with the engaging lug 805 of a pair of of protrusion；And the outboard end in small rotary table portion 703 is suitable for equipped with a pair
The guide groove 705 abutted with engaging lug 805.The cooperation of engaging lug 805 and guide groove 705, so that nut cap 701 is with movable lock core 400
During longitudinal movement, engaging lug 805 can form the restriction of the motion profile for guide groove 705, thus to a certain degree
On define the motion profile of nut cap 701 so that nut cap 701 longitudinal movement stablize.
In order to enable after button pressed downwards the effect of external pressure as a child, may be implemented to automatically reset, in the cross of button
To between excessive portion 503 and the lateral connection portion 802 of connection frame be equipped with second back-moving spring 900；The one of second back-moving spring 900
End is connected with laterally excessively portion 503；And the other end of second back-moving spring 900 is connected with lateral connection portion 802.That is,
During when outside, application pressure pushes button band movable lock core 400, second back-moving spring 900 is compressed, and when outside
After the pressure of application disappears, under the action of second back-moving spring 900, button is able to restore initial position, in the process, real
Existing nut cap 701 is moved up with movable lock core 400.Optionally, it please refers to shown in Fig. 8, second back-moving spring 900 herein can be using single
A spring, and the spring is set around the periphery of nut cap 701 and base portion 801, i.e., nut cap 701 and base portion 801 are across the center of spring
Through hole, also optional, second back-moving spring 900 can use several single springs, and several single springs are evenly distributed on lid
The periphery of cap 701 and base portion 801.Specifically, the present embodiment does not do absolute restriction for the setting of second back-moving spring 900.
It should also be noted that, in order to limit pushing track of the button under the pressing effect of hand, in the longitudinal direction of button
There are the spacing Q of certain altitude, spacing Q to make button in hand between portion 505 and the lateral connection portion 802 of connection frame
Maximum pushing moving distance is exactly spacing Q under pressing effect, so hand force of the design such that regardless of the people of peripheral operation
How the size of amount does not affect the pushing moving distance of button, and the intracavitary Endo-GIA of the present embodiment can be effectively ensured
The stability that head adjustment mechanism uses.
The head adjustment mechanism specific embodiment of the intracavitary Endo-GIA of the present embodiment are as follows:
Under original state, i.e. in the state that the head of Endo-GIA cannot be adjusted, latch segment 100 and locking rack 200
Engagement can not act the tune for carrying out head so that be in the state that is locked with the yaw pulling-on piece 300 of 200 integral structure of locking rack
It is whole.When needing the head to Endo-GIA to be adjusted, with hand from external push button, so that be connected with button
Nut cap 701 can be pushed with movable lock core 400 relative to yaw pulling-on piece 300, during lock core 400 pushes, latch segment 100
Direction by trend far from locking rack 200 is mobile, at this point, the movement of latch segment 100 is so that latch segment 100 and locking rack
Meshing relation between 200 disappears, and separates between latch segment 100 and locking rack 200, i.e., locking rack 200 is released, equally
, yaw pulling-on piece 300 is also released, and yaw pulling-on piece 300 may be implemented to move under external power effect, and be moved through
Cheng Zhong, lock core 400 constitute the position-limiting action mobile for yaw pulling-on piece 300.In the moving process of above-mentioned yaw pulling-on piece 300,
Hand remains the pressure of button, until yaw pulling-on piece 300 is completed to move, when can stopping, and release hand pair
It is acted in the pressing of button.Under the action of first back-moving spring 606 and second back-moving spring 900, latch segment 100, lock core
400 and button be returned to original state, i.e., latch segment 100 carries out engaging for a new round with sawtooth new on locking rack 200
Locking.
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 (10)
1. a kind of head adjustment mechanism of intracavitary Endo-GIA characterized by comprising suitable for engage locking latch segment and
Locking rack, and suitable for driving the latch segment to engage and isolated driving unit relative to locking rack；Wherein
The end face that the latch segment is suitable for engaging with locking rack is set as serrated face；
The bottom face of the locking rack is integrally connected with a yaw pulling-on piece；And
The driving unit includes that part is connected with latch segment sliding and is suitable for driving latch segment relative to locking rack
The lock core of transverse shifting and the driving for being suitable for vertically moving relative to the latch segment with movable lock core that is connected with the lock core
Component；I.e.
When lock core is longitudinally moved down relative to latch segment, latch segment is then gradually disengaged relative to locking rack；And
When lock core is longitudinally moved up relative to latch segment, latch segment is then progressively engaged relative to locking rack.
2. the head adjustment mechanism of intracavitary Endo-GIA according to claim 1, which is characterized in that on the latch segment
Equipped with one perpendicular to the yaw pulling-on piece through slot, the cell wall of the remote serrated face of the through slot is set as inclined surface；The through slot pair
The notch size of the bottom end of inclined surface is answered to be less than the notch size of the top end in the through slot corresponding tilt face；
The end face for the part that the lock core is connected with latch segment sliding includes one suitable for the inclined surface contract with the latch segment
The beveled end of conjunction；
The position of through slot described in face is equipped with a rectangular channel for being parallel to locking rack on the yaw pulling-on piece；The rectangular channel is suitable
It is passed through in the lock core；There is gap between the latch segment and the yaw pulling-on piece.
3. the head adjustment mechanism of intracavitary Endo-GIA according to claim 1, which is characterized in that the locking rack
Serrated face length be greater than the latch segment serrated face length.
4. the head adjustment mechanism of described in any item intracavitary Endo-GIAs according to claim 1~3, which is characterized in that also
It is fitted including the nut cap for being suitable for vertically moving with movable lock core being connected with the lock core top end part, and with what the nut cap was connected
In the button of pressing nut cap；Wherein
The button includes the basic portion being sleeved in the nut cap, and is integrally provided on the extension of the basic portion periphery；
The extension includes the excessive portion of transverse direction being connected with the basic portion, and be connected with the excessive portion of the transverse direction and with
Longitudinal portion of the basic portion parallelly distribute on.
5. the head adjustment mechanism of intracavitary Endo-GIA according to claim 4, which is characterized in that in the latch segment
It is covered with a connecting seat outside；The attachment base includes for being provide with the matrix of latch segment, being integrally provided on the half of described matrix periphery
The wing of arc, and it is integrally provided on boss that is at the top of described matrix and being coaxially distributed with described matrix；Wherein
The first ladder is formed between the wing and matrix；The second ladder is formed between described matrix and boss.
6. the head adjustment mechanism of intracavitary Endo-GIA according to claim 5, which is characterized in that described matrix is equipped with
One is suitable for accommodating the latch segment and is suitable for the mobile accommodating chamber of latch segment；The bottom end of the accommodating chamber is set as the first opening；And
The side that the accommodating chamber corresponds to the serrated face of the latch segment is set to the second opening of the serrated face stretching suitable for latch segment；
And
First back-moving spring is equipped between the end of the remote locking rack of the cavity wall and latch segment of the accommodating chamber；
Described matrix and the coaxial wears groove for being provided with one while penetrating through boss and matrix of boss；
The wears groove is suitable for the lock core and passes through.
7. the head adjustment mechanism of intracavitary Endo-GIA according to claim 6, which is characterized in that the button with
A connection frame is equipped between attachment base；The connection frame includes base portion and the alar part for being integrally provided on the base portion periphery；
The alar part include the lateral connection portion being connected with the base portion and be connected with the lateral connection portion and with it is described
The parallel longitudinal extension part of base portion；
The bottom face of the base portion is connected with the upper surface of the wing；And
The longitudinal extension part is towards there are gaps between the interior sidewall surface of base portion and the lateral wall in longitudinal portion of the button；
The periphery of the nut cap is integrally provided on the rotary table portion for being suitable for abutting with the base portion；
The bottom face in the rotary table portion offers the recessed groove protruded into suitable for described matrix part.
8. the head adjustment mechanism of intracavitary Endo-GIA according to claim 7, which is characterized in that in the button
Second back-moving spring is laterally excessively equipped between portion and the lateral connection portion of the connection frame；
The one end of the second back-moving spring is connected with the excessive portion of the transverse direction；And the other end of the second back-moving spring
Portion is connected with the lateral connection portion.
9. according to the head adjustment mechanism of the described in any item intracavitary Endo-GIAs of claim 7 or 8, which is characterized in that institute
Stating rotary table portion includes the big rotary table portion and small rotary table portion being integrally connected；The diameter in the big rotary table portion is greater than the straight of small rotary table portion
Diameter；
The small rotary table portion is abutted with the base portion；And
The big rotary table portion is arranged towards attachment base；The small rotary table portion is arranged towards button.
10. the head adjustment mechanism of intracavitary Endo-GIA according to claim 9, which is characterized in that the base portion with
The end face that small rotary table portion abuts is equipped with the engaging lug of a pair of of protrusion；And
Outboard end in the small rotary table portion is equipped with a pair of guide groove for being suitable for abutting with engaging lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821222196.9U CN209032500U (en) | 2018-07-31 | 2018-07-31 | The head adjustment mechanism of intracavitary Endo-GIA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821222196.9U CN209032500U (en) | 2018-07-31 | 2018-07-31 | The head adjustment mechanism of intracavitary Endo-GIA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209032500U true CN209032500U (en) | 2019-06-28 |
Family
ID=67030251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821222196.9U Withdrawn - After Issue CN209032500U (en) | 2018-07-31 | 2018-07-31 | The head adjustment mechanism of intracavitary Endo-GIA |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209032500U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108938031A (en) * | 2018-07-31 | 2018-12-07 | 常州健瑞宝医疗器械有限公司 | The head adjustment mechanism of intracavitary Endo-GIA |
-
2018
- 2018-07-31 CN CN201821222196.9U patent/CN209032500U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108938031A (en) * | 2018-07-31 | 2018-12-07 | 常州健瑞宝医疗器械有限公司 | The head adjustment mechanism of intracavitary Endo-GIA |
| CN108938031B (en) * | 2018-07-31 | 2023-08-04 | 江苏健瑞宝医疗科技股份有限公司 | Head adjusting mechanism of intra-cavity cutting anastomat |
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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. |
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Granted publication date: 20190628 Effective date of abandoning: 20230804 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190628 Effective date of abandoning: 20230804 |