CN105796146B - A kind of nail-head component and the hysteroscope Endo-GIA with the nail-head component - Google Patents
A kind of nail-head component and the hysteroscope Endo-GIA with the nail-head component Download PDFInfo
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- CN105796146B CN105796146B CN201410850323.XA CN201410850323A CN105796146B CN 105796146 B CN105796146 B CN 105796146B CN 201410850323 A CN201410850323 A CN 201410850323A CN 105796146 B CN105796146 B CN 105796146B
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- head component
- sliding shoe
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Abstract
The present invention provides a kind of nail-head component for hysteroscope Endo-GIA, including：Nail bin frame, for housing dismountable nail bin；Nail anvil, coordinate suture cutting tissue with the nail bin；Cutting knife, for detachment cutting tissue to be stapled；Push broach bar, for driving the cutting knife to move；Closing assembly is aided in, is movably arranged in the nail bin frame, including：Sliding shoe, connecting rod and runner；The runner is articulated on the nail bin frame and can rotated relative to nail bin frame, and the both ends of the connecting rod are pivotally connected the sliding shoe and the runner respectively；Wherein, auxiliary closing assembly can provide the support force to nail anvil near-end under the drive of cutting knife, and complete to reset under the drive of cutting knife.Present invention simultaneously provides a kind of hysteroscope Endo-GIA including above-mentioned nail-head component.By using above-mentioned nail-head component, cutting knife stress is effectively reduced when cutting and suturing, the chucking power of nail anvil and nail bin to cutting tissue to be stapled is improved, avoids cutting knife from being broken, reduce operation risk.
Description
Technical field
The present invention relates to a kind of surgical operation medicine equipment, relates in particular to a kind of nail-head component and has the ailhead
The hysteroscope Endo-GIA of component.
Background technology
Surgical operation has been widely used for the suture of wound, the suture of interior tissue and cutting with seaming and cutting device, at present
The Endo-GIA suitable for hysteroscope surgical operation is developed.Hysteroscope surgery, also referred to as laparoscopic surgery, it is with electron mirror picture
Finger is replaced instead of naked eyes direct-view, with elongated implement, makes every effort to most light in minimum kerf path, minimum tissue damage, human body
Stress reaction under, complete observation, diagnosis, cutting, suture and the other treatment to internal lesions.The ailhead of the Endo-GIA
Components generally include nail-anvil assembly, nail bin groupware, cutter assembly, and nail-anvil assembly includes the nail that its surface is provided with nail forming tank
Anvil, nail bin groupware include nail bin frame and the nail bin being placed in nail bin frame, and nail bin includes anastomosis staple and for releasing hitting for anastomosis staple
Block is sent out, cutter assembly includes cutting knife (generally I-shaped knife) and is connected to the push broach bar of cutting knife distal end.In use, first push away
Knife bar moves a certain distance from proximate, cutting knife is closed nail-anvil assembly and nail bin groupware to clamp to be stapled cut
Tissue is cut, push broach bar is continued to press on and drives cutting knife and percussion block to carry out detachment to cutting tissue to be stapled and suture.
The opening that the nail-anvil assembly and nail bin groupware of existing Endo-GIA are mutual is by near in nail-anvil assembly
End sets shell fragment to oppress the near-end of nail anvil close to the near-end of nail bin frame to realize, when push broach bar promotes cutting knife mobile to distal end
When, the distal end of nail anvil is moved to the direction of nail bin groupware under the drive of cutting knife, until nail-anvil assembly and nail bin groupware closure with
Cutting tissue to be stapled is clamped, at the same time, nail anvil near-end gradually lifts.
But existing Endo-GIA there are problems that in use, such as it is to be stapled cutting tissue it is thicker when,
When promoting push broach bar to move forward, to apply very big power, and thicker being organized in be cut and suture during, can give
The reaction force of nail-anvil assembly and the very big opening of nail bin groupware, causes cutting knife to be easily broken off, while nail-anvil assembly and nail bin group
Part dies down to the clamping effect of tissue, and cutting tissue to be stapled is also easily separated from the clamping of nail anvil and nail bin frame, thus to doctor
Operation is made troubles, and also can bring very big risk to operation.
The content of the invention
It is an object of the invention to provide a kind of nail-head component for hysteroscope Endo-GIA and there is the ailhead group
The hysteroscope Endo-GIA of part, can reduce cutting knife stress, avoid cutting knife from being broken, and improve the clamping effect of Endo-GIA, carry
Gao doctor's simple operation.
Nail-head component provided by the invention, including：Nail bin frame, for housing dismountable nail bin；Nail anvil, with the nail bin
Coordinate suture cutting tissue；Cutting knife, for detachment cutting tissue to be stapled；Push broach bar, for driving the cutting knife to move；It is described
Nail-head component also includes an auxiliary closing assembly, is movably arranged in the nail bin frame, and the auxiliary closing assembly includes：
Sliding shoe, connecting rod and runner；The runner is articulated on the nail bin frame and can rotated relative to nail bin frame, the two of the connecting rod
End is pivotally connected the sliding shoe and the runner respectively；
Wherein, when the push broach bar drives the cutting knife distal movement, the cutting knife can drive the runner to rotate
And the sliding shoe is driven by the connecting rod, the sliding shoe is moved to the lower section of the nail anvil near-end；
When the cutting knife proximal movement resets, the cutting knife can drive the sliding shoe to move proximally to reset, and
The runner reversion is driven to reset by connecting rod.
Further, the cutting knife is provided with Driving plane, proximal end face and driver slot；The Driving plane is located at the driving
Inner edge on the near-end of groove, the proximal end face are located at the lower section outer rim of the driver slot.
Further, one end of the connecting rod is provided with the first pin-and-hole, and its other end is provided with the second pin-and-hole；
The sliding shoe is provided with the main body with upper surface, the first bearing pin and the abutting part with distal face；Described first
First pin-and-hole of bearing pin and connecting rod is engaged, the distal face of the abutting part can be engaged with the proximal end face of the cutting knife for pair
Sliding shoe is resetted.
Further, the runner is provided with the second bearing pin, drive shaft, the first side wheel, the second side wheel；Second bearing pin with
Second pin-and-hole of the connecting rod is engaged, and the end lateral out of first side wheel and the second side wheel is articulated on nail bin frame, institute
State between the first side wheel and the lateral inner ends portion of the second side wheel by the driving axis connection；
Wherein, when the push broach bar drives the cutting knife distal movement, the Driving plane of the cutting knife and the runner
Drive shaft be engaged and rotate the runner, and the sliding shoe is driven by the connecting rod, makes the main body of the sliding shoe
Upper surface be moved to below the nail anvil near-end；After the runner rotates to an angle, the Driving plane of the cutting knife with
The drive shaft in the vertical direction of the runner misplaces so that the cutting knife separates with the runner, and the runner stops
Rotation, the cutting knife continue distal movement；
When the cutting knife proximal movement resets, the proximal end face of the cutting knife contacts with the distal face of the sliding shoe, pushes away
Move the sliding shoe to move proximally to reset, and drive runner to reset reversion by connecting rod.
Further, in an initial condition, the drive shaft is placed in the driver slot of the cutting knife.
Further, the second bearing pin of the runner is located on second side wheel and the axis direction of the second bearing pin is parallel
In the horizontal direction of nail bin frame；Second side wheel has the accommodation space for accommodating the second bearing pin and connecting rod, when runner rotates,
The accommodation space can provide pivot spaces for rotation of the connecting rod around the second bearing pin.
Further, the drive shaft away from the side of the second bearing pin is provided with escape groove, to house the drive of the cutting knife
The structure of dynamic groove bottom.
Further, the driving shaft section of the runner is D fonts, triangle, circle, rectangle, square or irregular shape
Shape.
Further, parallel to the nail bin frame bottom surface and in the sliding shoe axially direction, the cunning
First bearing pin of motion block is alternately arranged in the distal end of the main body with abutting part.
Further, the proximal of the sliding shoe is provided with guide part, and the guide part is from the slip block main body
The near-end guide pad to extend out or the guide groove being arranged on the sliding shoe.
Further, the guide part, the axis of the abutting part and the runner, the cutting knife substantially overlap, institute
State connecting rod and be abreast offset to the axis side.
Further, the cutting knife is that cross section is in I-shaped I-shaped knife, as the push broach bar promotes the cutting knife
Distal movement, the distal end of the nail anvil gradually close in the presence of the cutting knife, and the near-end of the nail anvil gradually lifts.
Further, during runner described in the cutter driving with the runner until separate, the runner is most
High rotation angle degree is more than 45 degree, less than 150 degree.
Present invention simultaneously provides a kind of hysteroscope Endo-GIA, including above-mentioned nail-head component.
Compared with prior art, nail-head component of the invention and the hysteroscope Endo-GIA with the nail-head component at least have
There is following beneficial effect：By, using auxiliary closing assembly, effectively reducing cutting knife stress in nail-head component in cutting, improving
Nail anvil and nail bin avoid cutting knife from being broken, reduce operation risk to the chucking power of cutting tissue to be stapled.
Brief description of the drawings
Fig. 1 is the nail-head component decomposing schematic representation of the Endo-GIA of the present invention；
Fig. 2 is the part-structure schematic diagram of nail-head component of the present invention；
Fig. 3 is the top view after Standard in Fig. 2；
Fig. 4 is the top view after nail-head component of the present invention assembling；
Fig. 5 A are along the sectional view of line A-A in Fig. 4；
Fig. 5 B are along the sectional view of line B-B in Fig. 4；
Fig. 6 is along the sectional view of line C-C in Fig. 5 A；
Fig. 7 A are the enlarged drawing under the original state of D parts in Fig. 5 A；
Fig. 7 B are the enlarged drawing under the original state of E parts in Fig. 5 B；
Fig. 8 A are the enlarged drawing under the state of D parts second in Fig. 5 A；
Fig. 8 B are the enlarged drawing under the state of E parts second in Fig. 5 B；
Fig. 9 A are the enlarged drawing under the third state of D parts in Fig. 5 A；
Fig. 9 B are the enlarged drawing under the third state of E parts in Fig. 5 B；
Figure 10 A are the enlarged drawing under the state of D parts the 4th in Fig. 5 A；
Figure 10 B are the enlarged drawing under the state of E parts the 4th in Fig. 5 B；
Enlarged drawing when Figure 11 is D partial resets in Fig. 5 A；
Wherein, description of reference numerals is as follows：
1：The nail-head component of Endo-GIA
10：Sliding shoe
101：Main body 101a：Upper surface
102：First bearing pin 103：Abutting part
103a：Distal face 104：Guide part
20：Connecting rod
201：First pin-and-hole 202：Second pin-and-hole
30：Runner；
301：Second bearing pin 302：Drive shaft
303：First side wheel 304：Second side wheel
305：Escape groove
40：Cutting knife
401：Driving plane 402：Proximal end face
403：Driver slot
50：Push broach bar 60：Nail anvil
70：Nail bin frame 701：Guide groove
D、E：Partial structurtes
Embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, these embodiments are provided so that the present invention more
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical is attached in figure
Icon note represents same or similar structure, thus will omit repetition thereof.
Described by the present invention proximally and distally, it is using exercises on apparatus author as reference, close to one end of operator
For near-end, one end away from operator is distal end.Axially refer to the distal-to-proximal length direction of apparatus, laterally refer to vertical
In axially and parallel to the direction of nail bin frame bottom surface, radially refer to perpendicular to axially and perpendicular to the direction of nail bin frame bottom surface.This
Top/upper and lower in invention/under, the description of vertical, both ends, horizontal direction, clockwise direction, reversion etc. to direction or position
It is the explanation carried out by taking accompanying drawing as an example, but can also makes a change as needed, makes change and be all contained in present invention protection model
In enclosing.In addition, term first, second, third, fourth etc. is only used for describing purpose, and it is not intended that instruction or hint are relative
Importance or the implicit quantity for indicating indicated technical characteristic.
As shown in figure 1, a kind of nail-head component 1 available for hysteroscope Endo-GIA of present invention offer, including nail bin frame 70,
Nail anvil 60, cutting knife 40, push broach bar 50 and auxiliary closing assembly.
Nail bin frame 70 is used to house dismountable nail bin (not shown)；Be provided with nail anvil 60 with nail bin put nail and
The corresponding nail forming tank of anastomosis staple in nail is put, for suturing the tissue of cutting to be stapled；Cutting knife 40 is waited to stitch for detachment
Cutting tissue is closed, including but not limited to cross section is in I-shaped I-shaped knife；Push broach bar 50 is used to drive cutting knife 40 to move to press from both sides
Cutting tissue to be stapled is closed, while the cutting and suture to cutting tissue to be stapled can be implemented；Auxiliary closing assembly may move
Ground is arranged in nail bin frame 70, including：Sliding shoe 10, connecting rod 20 and runner 30, runner 30 are articulated on nail bin frame 70 and can phases
Rotated to an angle for nail bin frame 70, be such as rotated in a clockwise direction 30~120 degree, the both ends of connecting rod 20 are pivotally connected slip respectively
Block 10 and runner 30.
When push broach bar 50 drives 40 distal movement of cutting knife, cutting knife 40 can drive runner 30 to rotate to an angle and lead to
Crossing connecting rod 20 drives sliding shoe 10 to move, and sliding shoe 10 is movable to the lower section of the near-end of nail anvil 60, and the near-end of nail anvil 60 is risen
To supporting role, the closure of auxiliary nail anvil 60；As push broach bar 50 drives cutting knife 40 to continue distal movement, cutting knife 40 and runner
30 separation, runner 30 stop the rotation, and the still distal movement of cutting knife 40 is until stapler completes the cutting and suture to tissue；Should
After stapler completes cutting and suture to tissue, when pulling cutting knife 40 is resetted by distal end proximal movement, cutting knife 40
Near-end can drive the distal end of sliding shoe 10 to move proximally to sliding shoe 10 and reset, while sliding shoe 10 passes through the band of connecting rod 20
Turn wheel 30 is reversely rotated and resetted.
As shown in Figures 2 and 3, in the nail-head component 1 of Endo-GIA, the near-end of cutting knife 40 can be further provided with drive end
Face 401, proximal end face 402 and driver slot 403.Driving plane 401 is located at the upper Inner edge of the near-end of driver slot 403, the end of driver slot 403
Face can be in substantially the triangle with fillet, trapezoidal or other irregular shapes, and be provided with breach, and proximal end face 402, which can be located at, to be driven
Below the breach of dynamic groove 403 at outer rim.
Connecting rod 20 can proximally and distally be further provided with the first pin-and-hole 201 and the second pin-and-hole 202, preferably circular hole.
Sliding shoe 10 can be further provided with the main body 101 with upper surface 101a, the first bearing pin 102, with distal face
103a abutting part 103, parallel to the bottom surface of nail bin frame 70 and in the axially direction of sliding shoe 10, first
Bearing pin 102 is with the interlaced arrangement of abutting part 103 in the distal end of main body 101.The phase of the first pin-and-hole 201 of first bearing pin 102 and connecting rod 20
Coordinate, the first bearing pin 102 is preferably straight pin, and so, connecting rod 20 can surround the first bearing pin 102 in the horizontal side of abutting part 103
Pivot, i.e., the motion that abutting part 103 will not be to connecting rod 20 produces interference.The upper surface 101a of main body 101 moves in sliding shoe 10
To the near-end of nail anvil 60 lower section when, the near-end of upper surface 101a support nail anvils 60 applies certain support to the near-end of nail anvil 60
Power, to aid in the closure of nail anvil 60；When pulling cutting knife 40 to be resetted by distal end proximal movement, distal face 103a can be with cutting
The proximal end face 402 of knife 40 is engaged for driving sliding shoe 10 to move proximally to be resetted.
The near-end of main body 101 of sliding shoe 10 is also provided with guide part 104, and as shown in Figure 2 and Figure 6, guide part 104 can be with
It is the guide pad that the near-end of the main body 101 from sliding shoe 10 extends out, can correspondingly, on nail bin frame 70 be provided with and be matched therewith
Guide groove 701；As another alternate embodiment, guide part 104 can also be provided in the guide groove on sliding shoe 10,
Correspondingly, the guide pad (not shown) being matched therewith can be provided with nail bin frame 70.By the mobile route for limiting guide part 104
To limit the mobile route of sliding shoe 10, be advantageous to route of the sliding shoe 10 along setting and move and reset.Can from Fig. 3
See, guide part 104, the axis of abutting part 103 and runner 30, cutting knife 40 are substantially overlapped, and connecting rod 20 is abreast offset in this
Axis side.
Runner 30 can be further provided with the second bearing pin 301, drive shaft 302, the first side wheel 303, the second side wheel 304.First
The end lateral out of the side wheel 304 of side wheel 303 and second is articulated on nail bin frame 70 so that runner 30 can occur with respect to nail bin frame 70
Rotation；Connected between the lateral inner ends portion of first side wheel 303 and the second side wheel 304 by drive shaft 302.Drive shaft 302 can turn
It is placed in dynamicly in the driver slot 403 of cutting knife 40, when cutting knife 40 is in distal movement in the presence of push broach bar 50, cutting knife 40
Driving plane 401 can drive drive shaft 302 to move, because runner 30 by the first side wheel 303 and the second side wheel 304 is articulated in nail
On storehouse frame 70, therefore, drive shaft 302 rotates under the driving of the Driving plane 401 of cutting knife 40 relative to nail bin frame 70, with
This simultaneously, drive shaft 302 drive the integral-rotation of runner 30, and further by connecting rod 20 drive sliding shoe 10 distally move
It is dynamic.Preferably, under original state, namely the nail-head component 1 of Endo-GIA is in and treats cock, cutting knife 40 it is near
End face 402 is located at the near-end of nail bin frame 70, and drive shaft 302 is placed in the driver slot 403 of cutting knife 40, but Driving plane 401 with
Drive shaft 302 does not contact, and has certain distance, and certainly, Driving plane 401 can also be in contact with drive shaft 302, but the two it
Between have no interaction force.In the present invention, the section of drive shaft 302 for example could be arranged to D fonts, triangle, circle, square
Shape, square, irregular shape etc., the present invention is not limited.Second bearing pin 301 is located on the second side wheel 304 and the second bearing pin
Parallel to the horizontal direction of nail bin frame 70 with the integral-rotation of runner 30 corresponding sports can occur for 301 axis direction.Second
Bearing pin 301 is engaged with the second pin-and-hole 202 of connecting rod 20, preferably straight pin, by above-mentioned cooperation sliding shoe 10 with turning
Wheel 30 is connected；Second side wheel 304 has the accommodation space for accommodating the second bearing pin 301 and connecting rod 20, and when runner 30 rotates
When, the accommodation space can provide enough pivot spaces for rotation of the connecting rod 20 around the second bearing pin 301；In the present embodiment
In, as shown in Fig. 2 the accommodation space for the second bearing pin 301 of connection and with the axis direction of the second bearing pin 301 is perpendicular cuts
Face.As another interchangeable embodiment, the accommodation space can also be the second bearing pin 301 of connection and can be that connecting rod 20 provides
Installing space and the groove of pivot spaces (not shown).
Drive shaft 302 can further set an avoidance away from the side of the second bearing pin 301 (lower section of drive shaft 302 in Fig. 2)
Groove 305, to house the structure of the abutting part 103 of sliding shoe 10 or the bottom of 40 driver slot of cutting knife 403, when runner 30 rotates and drives
Sliding shoe 10 to distal end it is mobile when, or when the proximal movement of cutting knife 40 resets, the drive of the abutting part 103 and cutting knife 40 of sliding shoe 10
The structure of the dynamic bottom of groove 403 may pass through escape groove 305, to avoid abutting part 103 and the constructive interference of the bottom of driver slot 403 from driving
The motion of axle 302.
In the present embodiment, when push broach bar 50 drives 40 distal movement of cutting knife, the Driving plane 401 of cutting knife 40 is with turning
The matching merging of drive shaft 302 of wheel 30 makes runner 30 rotate to an angle, and the maximum anglec of rotation such as along clockwise direction is about
For 45 degree~150 degree, maximum 130 degree of the rotation of runner 30 in the present embodiment, and drive sliding shoe 10 sliding to distal end by connecting rod 20
It is dynamic, the upper surface 101a of the main body 101 of sliding shoe 10 is gradually moved to below the near-end of nail anvil 60.Specifically, Driving plane
401 drive drive shafts 302 are rotated in a clockwise direction runner 30, while the second bearing pin 301 drives sliding shoe by connecting rod 20
10 is mobile to distal end, and the upper surface 101a of sliding shoe 10 is gradually moved to the lower section of the near-end of nail anvil 60.In the process, cutting knife 40
The substructure of driver slot 403 it is gradually mobile towards distal end and exit the escape groove 305 of runner 30, and the abutting part of sliding shoe 10
103 gradually towards the escape groove 305 for distally moving close to runner 30.As another interchangeable embodiment, according to cutter driving
Set location of the end face 401 on the driver slot 403 of cutting knife 40, as Driving plane 401 be arranged on the near-end of driver slot 403 it is lower in
During edge, rotate counterclockwise can also occur for runner 30.
Under the drive of the Driving plane 401 of cutting knife 40, drive shaft 302 rotates relative to nail bin frame 70, cutting knife 40
The in the vertical direction of drive shaft 302 of Driving plane 401 and runner 30 gradually misplace, drive shaft 302 is movable to drive
The indentation, there of groove 403 is moved, now Driving plane 401 can not continue to drive drive shaft 302, and cutting knife 40 continues distal movement, made
Obtain cutting knife 40 to separate with runner 30, runner 30 stops the rotation, and cutting knife 40 continues distal movement and cut until completing suture.
When the proximal movement of cutting knife 40 resets, the proximal end face 402 of cutting knife 40 contacts with the distal face 103a of sliding shoe 10,
Promote sliding shoe 10 to move proximally to reset, and drive the reversion of runner 30 to reset by connecting rod 20.In the process, sliding shoe 10
Abutting part 103 gradually towards near-end movement and the escape groove 305 away from runner 30, and the substructure of driver slot 403 in cutting knife 40
The escape groove 305 of runner 30 is gradually moved into towards near-end.
With reference to Fig. 4~Figure 11, the use process of the nail-head component 1 of the present invention is described in detail.Original state
Under, nail anvil 60 is located at the top of nail bin frame 70, and the two is opened at an angle, and auxiliary closing assembly is arranged at the near of nail bin frame 70
End, the partial structurtes as shown in D and E parts in Fig. 5 A and Fig. 5 B.
As shown in figures 7 a and 7b, under original state, the Driving plane 401 of cutting knife 40 and the drive shaft 302 of runner 30 can
Not contact and have certain distance, runner 30 will not rotate, and sliding shoe 10 is placed in the near-end of nail bin frame 70.With push broach
Bar 50 promotes the distal movement of cutting knife 40, and the distal end of nail anvil 60 gradually closes in the presence of cutting knife 40, and near-end gradually lifts.
As shown in Figure 8 A and 8 B, when cutting knife 40 is to after distally moving a segment distance, the Driving plane 401 of cutting knife 40
It is in contact with the drive shaft 302 of runner 30, into the second state.As shown in Figure 8 A, due to movement of the cutting knife 40 to distal end, slide
The distal face 103a of block 10 and the proximal end face 402 of cutting knife 40 have certain distance, the now promotion of push broach bar 50 cutting knife 40 continue to
When distal end is mobile, Driving plane 401 drives drive shaft 302 to rotate clockwise, and runner 30 is opened under the drive of drive shaft 302
Begin to rotate, the second bearing pin 301 drives guide groove 701 of the sliding shoe 10 along nail bin frame 70 to distally moving by connecting rod 20, simultaneously
Nail anvil 60 gradually closes, and its near-end tilts further up, as shown in Figure 8 B；
With cutting knife 40 continue it is further mobile to distal end, as shown in fig. 9 a and fig. 9b into the third state, cutting knife 40
Driving plane 401 is promoted after runner 30 rotates to an angle again, and under the drive of connecting rod 20, sliding shoe 10 is again to distally moving
One segment distance, and the upper surface 101a of sliding shoe 10 progresses into the lower section of the near-end of nail anvil 60, and the near-end of nail anvil 60 is risen
To supporting role, the closure of auxiliary nail anvil 60, simultaneously because the movement of sliding shoe 10, its distal face 103a and cutting knife 40 near-end
Face 402 is substantially in contact；
When cutting knife 40 is to when distally continuing to move to, as shown in figs. 10 a and 10b into the 4th state, the now phase of runner 30
About 120 degree are rotated for original state, drive shaft 302 further rotates, the Driving plane 401 of cutting knife 40 and the drive of runner 30
There is dislocation in the in the vertical direction of moving axis 302, and drive shaft 302 is moved to the indentation, there of driver slot 403 and gradually and driver slot
403 separation, now cutting knife 40 can not just continue to press on runner 30 and rotate, but cutting knife 40 can continue to be fired to distal end movement,
Complete suture cutting.At the same time, distance increase between the distal face 103a of sliding shoe 10 and the proximal end face 402 of cutting knife 40, weight
New separation, and runner 30 is slack under this angle, while sliding shoe 10 is also to distally moving to reach range and stop
It is mobile.In cutting knife 40 sutures cutting process, during especially for thick tissue, the upper surface 101a of sliding shoe 10 is to nail anvil 60
Near-end is played a supporting role, and aids in the closure of nail anvil 60, increases chucking power, reduces the stress of cutting knife 40.
As shown in figure 11, after apparatus percussion terminates, during pulling cutting knife 40 proximally resets, the proximal end face of cutting knife 40
402 touch the distal face 103a of sliding shoe 10 first, as shown in figure 11 so that and sliding shoe 10 moves proximally to reset, and
Runner 30 is driven reversely to pivot in the presence of connecting rod 20, the drive shaft 302 of last runner 30 is entered by the breach of driver slot 403
Operating position under original state, complete the reset of runner 30.
In the present invention, in 40 distal movement of cutting knife, Driving plane 401 can drive runner 30 to rotate and drive sliding shoe
10 is mobile to distal end, until runner 30 stops the rotation and separated with cutting knife 40 after sliding shoe 10 reaches the position for supporting nail anvil 60；
After the completion of percussion, when retracting cutting knife 40, the proximal end face 402 of cutting knife 40 can drive sliding shoe 10 and runner 30 to reset again, pass through
Apparatus above realizes auxiliary closure nail anvil, reduces the stress of cutting knife 40, reduces operation risk.
The nail-head component 1 of the Endo-GIA of the present invention can be used for different size and the hysteroscope Endo-GIA and line of type
Property the product such as Endo-GIA in, including but not limited to Cutting Length be 55mm, 60mm, 75mm, 80mm, 100mm, 120mm,
150mm stapler.
The illustrative embodiments of the nail-head component of Endo-GIA of the present invention are particularly shown and described above, are implemented
Structure in example etc. can make various changes according to being actually needed, and the above, which changes, to be encompassed by claims.Should
The understanding, the invention is not restricted to disclosed embodiment, protected on the contrary, it is intended to cover included in appended claims
In the range of various modifications and equivalent replacement.
Claims (15)
1. a kind of nail-head component for hysteroscope Endo-GIA, including：
Nail bin frame, for housing dismountable nail bin；
Nail anvil, coordinate suture cutting tissue with the nail bin；
Cutting knife, for detachment cutting tissue to be stapled；
Push broach bar, for driving the cutting knife to move；
Characterized in that, the nail-head component also includes an auxiliary closing assembly, it is movably arranged in the nail bin frame, institute
Stating auxiliary closing assembly includes：Sliding shoe, connecting rod and runner；The runner is articulated on the nail bin frame and can be relative to nail bin
Frame rotates, and the both ends of the connecting rod are pivotally connected the sliding shoe and the runner respectively；
Wherein, when the push broach bar drives the cutting knife distal movement, the cutting knife can drive the runner to rotate and lead to
Cross the connecting rod and drive the sliding shoe, the sliding shoe is moved to the lower section of the nail anvil near-end；
When the cutting knife proximal movement resets, the cutting knife can drive the sliding shoe to move proximally to reset, and pass through
Connecting rod drives the runner reversion to reset.
2. nail-head component according to claim 1, it is characterised in that
The cutting knife is provided with Driving plane, proximal end face and driver slot；The Driving plane is located at Inner on the near-end of the driver slot
Edge, the proximal end face are located at the lower section outer rim of the driver slot.
3. nail-head component according to claim 2, it is characterised in that one end of the connecting rod is provided with the first pin-and-hole, and its is another
One end is provided with the second pin-and-hole；
The sliding shoe is provided with the main body with upper surface, the first bearing pin and the abutting part with distal face；First bearing pin
It is engaged with the first pin-and-hole of connecting rod, the distal face of the abutting part can be engaged with the proximal end face of the cutting knife for sliding
Block is resetted.
4. nail-head component according to claim 3, it is characterised in that the runner is provided with the second bearing pin, drive shaft, first
Side wheel, the second side wheel；Second bearing pin is engaged with the second pin-and-hole of the connecting rod, first side wheel and the second side wheel
End is articulated on nail bin frame lateral out, passes through the drive shaft between the lateral inner ends portion of first side wheel and the second side wheel
Connection；
Wherein, when the push broach bar drives the cutting knife distal movement, the drive of the Driving plane of the cutting knife and the runner
Moving axis, which is engaged, rotates the runner, and drives the sliding shoe by the connecting rod, make the sliding shoe main body it is upper
End face is moved to below the nail anvil near-end；After the runner rotates to an angle, the Driving plane of the cutting knife with it is described
The drive shaft in the vertical direction of runner misplaces so that and the cutting knife separates with the runner, and the runner stops the rotation,
The cutting knife continues distal movement；
When the cutting knife proximal movement resets, the proximal end face of the cutting knife contacts with the distal face of the sliding shoe, promotes institute
State sliding shoe to move proximally to reset, and drive runner to reset reversion by connecting rod.
5. nail-head component according to claim 4, it is characterised in that in an initial condition, the drive shaft is placed in institute
In the driver slot for stating cutting knife.
6. nail-head component according to claim 4, it is characterised in that the second bearing pin of the runner is located at second side
On wheel and the second bearing pin axis direction parallel to nail bin frame horizontal direction；Second side wheel, which has, accommodates the second bearing pin and connecting rod
Accommodation space, when runner rotates, the accommodation space can for connecting rod around the second bearing pin rotation provide pivot sky
Between.
7. nail-head component according to claim 4, it is characterised in that the drive shaft is set away from the side of the second bearing pin
There is escape groove, to house the structure of the driver slot bottom of the cutting knife.
8. nail-head component according to claim 4, it is characterised in that the driving shaft section of the runner is triangle, circle
Shape, rectangle or irregular shape.
9. nail-head component according to claim 4, it is characterised in that the driving shaft section of the runner is D fonts.
10. nail-head component according to claim 3, it is characterised in that parallel to the nail bin frame bottom surface and perpendicular to
In the sliding shoe axially direction, the first bearing pin of the sliding shoe is alternately arranged in the remote of the main body with abutting part
End.
11. nail-head component according to claim 10, it is characterised in that the proximal of the sliding shoe, which is provided with, to be oriented to
Portion, the guide part are the guide pad to be extended out from the near-end of the slip block main body or are arranged at leading on the sliding shoe
To groove.
12. nail-head component according to claim 11, it is characterised in that the guide part, the abutting part and described turn
Wheel, the axis of the cutting knife substantially overlap, and the connecting rod is abreast offset to the axis side.
13. the nail-head component according to any one of claim 1 to 12, it is characterised in that the cutting knife is in for cross section
I-shaped I-shaped knife, as the push broach bar promotes the cutting knife distal movement, the distal end of the nail anvil is in the cutting knife
In the presence of gradually close, the near-end of the nail anvil gradually lifts.
14. the nail-head component according to any one of claim 1 to 12, it is characterised in that turn described in the cutter driving
During wheel with the runner until separate, the maximum anglec of rotation of the runner is more than 45 degree, less than 150 degree.
15. a kind of hysteroscope Endo-GIA, including the nail-head component any one of claim 1 to 14.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850323.XA CN105796146B (en) | 2014-12-31 | 2014-12-31 | A kind of nail-head component and the hysteroscope Endo-GIA with the nail-head component |
| JP2017534938A JP6404478B2 (en) | 2014-12-31 | 2015-12-22 | Staple cartridge unit and medical stapler using the staple cartridge unit |
| BR112017013860-3A BR112017013860B1 (en) | 2014-12-31 | 2015-12-22 | Medical stapler and stapler cartridge set |
| US15/540,975 US10888323B2 (en) | 2014-12-31 | 2015-12-22 | Staple cartridge assembly and medical stapler using the staple cartridge assembly |
| EP15875128.9A EP3241504A4 (en) | 2014-12-31 | 2015-12-22 | Staple cartridge assembly and medical anastomat using same |
| PCT/CN2015/098181 WO2016107450A1 (en) | 2014-12-31 | 2015-12-22 | Staple cartridge assembly and medical anastomat using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850323.XA CN105796146B (en) | 2014-12-31 | 2014-12-31 | A kind of nail-head component and the hysteroscope Endo-GIA with the nail-head component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105796146A CN105796146A (en) | 2016-07-27 |
| CN105796146B true CN105796146B (en) | 2018-03-20 |
Family
ID=56420514
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410850323.XA Active CN105796146B (en) | 2014-12-31 | 2014-12-31 | A kind of nail-head component and the hysteroscope Endo-GIA with the nail-head component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105796146B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464400B (en) * | 2019-08-06 | 2024-02-27 | 安徽麦吉恩医疗科技有限公司 | Endoluminal cutting anastomat and clamp head structure thereof |
| CN114569179B (en) * | 2020-11-30 | 2023-12-22 | 苏州英途康医疗科技有限公司 | Anastomat |
| CN113616260B (en) * | 2021-08-24 | 2022-08-26 | 常州安康医疗器械有限公司 | Anastomat is with identical nail seat convenient to installation is dismantled |
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| CN101156792A (en) * | 2006-10-06 | 2008-04-09 | Tyco医疗健康集团 | Surgical instrument including a locking assembly |
| CN103654898A (en) * | 2012-09-14 | 2014-03-26 | 苏州天臣国际医疗科技有限公司 | Straight-line stitching and cutting device |
| EP2764837A1 (en) * | 2013-02-08 | 2014-08-13 | Ethicon Endo-Surgery, Inc. | Fastener cartridge comprising a releasable tissue thickness compensator |
| EP2777527A1 (en) * | 2013-03-13 | 2014-09-17 | Covidien LP | Surgical stapling apparatus |
| CN203564291U (en) * | 2013-11-29 | 2014-04-30 | 徐维华 | Endoscope cutting anastomat with nail anvil capable of moving and rotating up and down |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105796146A (en) | 2016-07-27 |
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Address after: 215021 No. 278 Dongping Street, Suzhou Industrial Park, Jiangsu Province Patentee after: Tianchen International Medical Technology Co., Ltd Address before: 215021, 1355 international science and Technology Park, Jinji Lake Avenue, Suzhou Industrial Park, Jiangsu, 3 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |
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