CN109953790A - Handle assembly and stapler including it - Google Patents
Handle assembly and stapler including it Download PDFInfo
- Publication number
- CN109953790A CN109953790A CN201711434138.2A CN201711434138A CN109953790A CN 109953790 A CN109953790 A CN 109953790A CN 201711434138 A CN201711434138 A CN 201711434138A CN 109953790 A CN109953790 A CN 109953790A
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- Prior art keywords
- handle
- command
- sliding block
- stapler
- segment
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- 238000009527 percussion Methods 0.000 claims description 19
- 238000010304 firing Methods 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 17
- 230000009471 action Effects 0.000 description 6
- 210000003899 penis Anatomy 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000003872 anastomosis Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 208000014617 hemorrhoid Diseases 0.000 description 1
- 206010034878 phimosis Diseases 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/326—Circumcision apparatus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B2017/1132—End-to-end connections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B2017/1135—End-to-side connections, e.g. T- or Y-connections
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physiology (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The present invention provides a kind of handle assembly and including its stapler, including the first in command and second handle, the first in command and second handle can be rotated around pin shaft, and second handle is resetted by torsional spring, the first in command is resetted by handle reseting pressuring spring, it is provided with sliding block and sliding slot on the first in command or second handle, when the sliding block is mobile to second segment from the first segment of sliding slot, never linkage status enters linkage status for the first in command and second handle.Handle assembly is divided into the first in command and second handle by the present invention；Stapler not up to can cock when, the first in command can be pressed, but second handle will not rotate, and would not also fire stapler；Pass through the design of torsional spring, pin shaft and pressure spring, the first in command and second handle are rotatably connected and may be implemented to reset, and realize the same rotation center of two one or two winding by hands and rotate, the rotation center of failure state and cock is constant, structure is more stable, and the usage experience of operator is more preferable.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to stapling technique fields, and in particular to a kind of handle group
Part and stapler including it.
Background technique
Tumor in digestive tract is high-incidence one of the disease of the mankind, over the course for the treatment of, is often used circular-pipe anastomat and replaces doctor
Raw manual operations carries out the physiological tissues such as alimentary canal identical.Circular-pipe anastomat is a kind of common surgical operating instrument,
The inside bookbinding form of axis is mostly used greatly, end-to-end or end pair is formed to physiological tissues such as oesophagus, stomach, enteron aisles during operation
Side coincide, and two sections of tissues are containing when coincideing is contained in stapler, and circular anastomosis mouth, weight are organizationally formed after the completion of percussion
Anatomic passages are built.
In the prior art, circular-pipe anastomat includes stapler ontology, the handle group for being flexibly connected the stapler ontology
Part and nail-anvil assembly with the body fits.The stapler ontology includes the nail bin groupware set on distal end, the nail bin
Component includes annular nail bin, cutter；And the knob set on body proximal end, the knob can be rotated relative to ontology.It is remote herein
End and proximal end are for operator, are proximal end apart from the closer one end of operator, apart from the farther away one end of operator,
It is distal end closer to one end of surgery location.The nail-anvil assembly includes nail anvil, the nail-anvil hat being arranged at the top of nail anvil, setting
Knife anvil inside nail anvil, and the nail anvil shaft detachably connected with stapler ontology.In the course of surgery, detachment removal is swollen
After tumor tissue, nail anvil shaft is pierced by from the pocket of tissue one end, is configured at the distal end of stapler ontology, rotates knob, make nail anvil and
The distance between nail bin is gradually reduced reaches a suitable distance after, reach can cock, handle firing device could be held
Tool is completed to coincide.With the continuous development of medical instrument, circular-pipe anastomat is also applied to the diseases such as hemorrhoid more and more widely
Treatment.
Meanwhile in the operation that Urological Field treats redundant prepuce and phimosis, also there is another form
Circular-pipe anastomat, i.e. prepuce anastomat.Prepuce anastomat is also described in the prior art, and structure is similar to above-mentioned disappear
Change road circular-pipe anastomat, difference is only that with the body fits be glans penis cap assembly.It is similar, the glans penis cap assembly
Including nail anvil, the glans penis cap being fixedly connected with nail anvil, knife anvil, and the center-pole detachably connected with stapler ontology.?
In surgical procedure, prepuce tissues to be cut off are fixed on glans penis cap, center-pole is then configured at the remote of stapler ontology
End rotates knob, is gradually reduced the distance between glans penis cap and nail bin and reaches one suitably after, shape can be fired by reaching
State could hold handle percussion instrument and complete to coincide.
With the development of technology, people improve the percussion transmission mechanism of circular-pipe anastomat, increase
Insurance mechanism, stapler not up to can cock when, even if doctor presses handle, due to the effect of insurance mechanism, handle
Also it can not press, so as to avoid operative failure caused by instrument percussion.However, under actual conditions, however it remains there is some lack
It falls into, such as the usage experience of doctor is not high, if in addition doctor firmly presses handle, the casing that may result in stapler is opened
It splits.
Summary of the invention
For the problems of the prior art, the purpose of the present invention is to provide a kind of handle assembly and coincideing including it
Device, stapler not up to can cock when, the first in command and second handle do not link, would not also fire stapler, and
The rotation center of two handles is unified.
The embodiment of the present invention provides a kind of handle assembly, and for the percussion of stapler, the handle assembly includes:
The first in command and second handle；
Torsional spring and pin shaft, the pin shaft are fixed on the shell of the stapler and are arranged in the first in command and second
In hand, the torsion spring set is set on the pin shaft, and the both ends of the torsional spring contradict the shell of the stapler and described respectively
Second handle；
Handle reseting pressuring spring is connected between the first in command and the shell of the stapler；
Sliding slot and sliding block, the sliding slot are set on the first in command or the second handle, and the sliding slot includes phase
The first segment and second segment of connection, and the sliding block is slidably set in the sliding slot；
When the sliding block is located at the first segment of the sliding slot, the first in command and second handle do not link；When described
When sliding block is located at the second segment of the sliding slot, the first in command and second handle are linked by the sliding block.
Optionally, the sliding slot is located on the first in command, and the second handle includes handle abutting portion；
When the sliding block is located at the first segment of the sliding slot, and the first in command is rotated in a first direction, the cunning
Block is not contradicted with the handle abutting portion, and the second handle is located at safety position；
When the sliding block is located at the second segment of the sliding slot, and the first in command is rotated in a first direction, the cunning
Block and the handle abutting portion contradict and the second handle are driven to rotate from the safety position to firing position.
Optionally, the first in command includes first cavity with two sides side wall, the two side walls of first cavity
It is respectively arranged with a sliding slot, the sliding block includes two abutting portions between sliding part and sliding part, described two slidings
Portion is slidably set to respectively in a sliding slot.
Optionally, the sliding part is provided with the first position limiting structure, and the end of the second segment of the sliding slot is provided with second
Position limiting structure is respectively arranged with a sliding block reseting pressuring spring between first position limiting structure and second position limiting structure.
Optionally, the outside of the first in command is additionally provided with handle housing, and the handle housing is corresponding with the sliding slot
Position be also equipped with fluting, the fluting include respectively first segment corresponding with the first segment of the sliding slot and second segment and
Second segment；The sliding part is provided with the first position limiting structure, and the end of the second segment of the fluting is provided with the second position limiting structure,
A sliding block reseting pressuring spring is respectively arranged between first position limiting structure and second position limiting structure.
It optionally, further include torsional spring limiting section between two sliding parts of the sliding block, the torsional spring limiting section and described
Sliding block reduction torsion spring is additionally provided between second handle.
Optionally, the first end of the first in command is grip part, and the second end of the first in command includes interconnecting piece；Institute
The first end for stating second handle is located at the inside cavity of the interconnecting piece；
When the sliding block is located at the first segment of the sliding slot, and the first in command is rotated in a first direction, described
Second chief goes successively to the inside cavity of the first in command；
When the sliding block is located at the first segment of the sliding slot, and the first in command is rotated in a first direction, the cunning
Block stops the second handle to go successively to the inside cavity of the first in command.
Optionally, the inner wall of two side bodies of the stapler is separately provided for the fixed column of fixed pin shaft end,
The inner wall of the shell of the stapler is additionally provided with shell fixed part, and the second end of the first in command is additionally provided with handle and fixes
Portion, the both ends of the handle reseting pressuring spring are individually fixed in the shell fixed part and the handle fixed part.
Optionally, the stapler is internally provided with support column, and the both ends of the support column are individually fixed in the kiss
Two side bodies of clutch, the first end of the torsional spring contradicts the support column, and the second end of the torsional spring contradicts described second
The inner wall of handle；
Fixed plate is provided between the support column and the shell of the stapler, one end of the fixed plate is provided with portion
The arc groove of the support column is covered in subpackage, and the other end of the fixed plate is fixed on the shell of the stapler；
In the space that the handle reseting pressuring spring is formed between the fixed plate and the first in command.
Optionally, the sliding slot is located on the second handle, and the first in command includes handle abutting portion；
When the sliding block is located at the first segment of the sliding slot, and the first in command is rotated in a first direction, described
Hand abutting portion is not contradicted with the sliding block, and the second handle is located at safety position；
When the sliding block is located at the second segment of the sliding slot, and the first in command is rotated in a first direction, described
Hand abutting portion and the sliding block contradict and the second handle are driven to rotate from the safety position to firing position.
It optionally, further include pointer, the pointer includes first end, positioning end and second end, the positioning end of the pointer
It is rotatably affixed at the shell of the stapler；The pointer is connected to the drag hook of pulling-on piece, and the proximal end of the pulling-on piece is sheathed on silk
Bar, the screw rod distal end are equipped with knob, rotate the knob and drive the pulling-on piece mobile to the proximal end of stapler, the Pull tab strap
The first end for moving the pointer is mobile from first position region to second position region, and the second end of the pointer drives the cunning
Block is moved to the second segment of the sliding slot from the first segment of the sliding slot.
Optionally, the second handle includes pulling-on piece abutting portion, and the second handle is from the safety position to percussion position
When setting rotation, the pulling-on piece abutting portion contradicts the pulling-on piece, is detached from the drag hook of the pulling-on piece and the pointer.
The embodiment of the present invention also provides a kind of stapler, including the handle assembly.
It handle assembly provided by the present invention and is had the advantage that including its anastomosis apparatus
The present invention provides a kind of handle assembly and including its stapler, by by handle assembly be divided into the first in command and
The athleticism of second handle, only second handle enough fires stapler；In use, no matter stapler whether reach can
Cock, doctor can press the first in command, however, stapler not up to can cock when, the first in command will not
Second handle is driven, stapler would not be also fired；By the design of torsional spring, pin shaft and pressure spring, the first in command and second handle
It is rotatably connected and may be implemented to reset, realize the first in command and second handle and rotated around the same rotation center, fail shape
The rotation center of state and cock is constant, and structure is more stable, and the usage experience of operator is more preferable.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon.
Fig. 1 is the structural schematic diagram of the stapler of one embodiment of the invention；
Fig. 2 is the structural schematic diagram that the handle assembly of one embodiment of the invention is applied to conventional circular-pipe anastomat；
Fig. 3 is that the handle assembly of one embodiment of the invention is applied to the structural schematic diagram of prepuce anastomat；
Fig. 4 and Fig. 5 is the structural schematic diagram when handle assembly of one embodiment of the invention is in original state；
Fig. 6 is that the handle assembly of one embodiment of the invention is in the explosive view of original state；
Fig. 7 is the first in command of one embodiment of the invention and the schematic diagram of second handle connection relationship；
Fig. 8 is the structural schematic diagram of sliding block and pointer cooperation in Fig. 2；
Fig. 9 is the structural schematic diagram of pulling-on piece and pointer cooperation in Fig. 2；
Figure 10~Figure 12 is the structural schematic diagram when handle assembly of one embodiment of the invention is in failure state；
Figure 13 is the handle assembly of one embodiment of the invention in the explosive view for being failure state；
Figure 14 is the structural schematic diagram of sliding block and pointer cooperation in Figure 10；
Figure 15~Figure 17 is the structural schematic diagram when handle assembly of one embodiment of the invention is in cock；
Figure 18 is that the handle assembly of one embodiment of the invention is in the explosive view of cock；
Figure 19 is the structural schematic diagram of sliding block and pointer cooperation in Figure 15；
Figure 20 is that the handle assembly of another embodiment of the present invention is in the structural schematic diagram of original state；
Figure 21 is that the handle assembly of another embodiment of the present invention is in the structural schematic diagram of failure state；
Figure 22 is that the handle assembly of another embodiment of the present invention is in the structural schematic diagram of cock；
Figure 23 is the structural schematic diagram of the handle assembly of yet another embodiment of the invention.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.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, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.It is identical attached in figure
Icon note indicates same or similar structure, thus will omit repetition thereof.
The structure of the stapler of one embodiment of the invention as shown in figure 1.Wherein the distal end of stapler is provided with nail bin group
Part 72 and nail-anvil assembly 73, proximal end are provided with knob 71 and handle assembly, and the outside of handle assembly is provided with handle shell 16, lead to
It crosses and presses handle assembly, the percussion of stapler may be implemented.
The handle assembly that Fig. 2~9 show one embodiment of the invention is located at the structure of original state, wherein in order to clearly show
Show that the structure of handle assembly and the cooperation of itself and other parts, partial shell or members have been left out.On realizing
Purpose is stated, handle assembly is segmented by the present invention, is divided into the first in command 1 and second handle 2, and only work as second handle 2
Stapler can be fired by being only when rotation.It is equipped with pin shaft 31 simultaneously in the first in command 1 and second handle 2, pin shaft 31 is fixed
In the shell 74 of stapler, and it is arranged with torsional spring 32 thereon.The both ends of torsional spring 32 contradict 74 He of shell of the stapler respectively
The second handle 2, if releasing external force, second handle 2 can be resetted after the rotation of second handle 2.
Since the first in command 1 and second handle 2 are rotated around pin shaft 31, the first in command 1 and second handle 2
Rotation center it is unified, the experience of operator is more preferable, and rotation center is all constant under failure state and under cock, while can
Smaller by handle design to be open, appearance is more good-looking, and the structure of handle assembly and stapler is also more stable.For fixed pin
Axis 31, in this embodiment, the inner wall of two side bodies 74 of stapler are separately provided for the fixation of 31 end of fixed pin shaft
Column.The both ends of pin shaft 31 are inserted in the inside of corresponding fixed column respectively.
In addition, being also provided with one or more handle reseting pressuring springs 35, both ends are separately connected the first in command 1 and stapler
Shell 74, the reset for the first in command 1.Specifically, handle fixed part 352 can be set on the first in command 1, stapler
Shell fixed part 351 can be set on shell 74, the both ends of handle reseting pressuring spring 35 are individually fixed in handle fixed part 352 and shell
On body fixed part 351.When playing first violin 1 in original state, handle reseting pressuring spring 35 plays first violin 1 without deformation
When being rotated counterclockwise by external force, meeting squeeze handles reseting pressuring spring 35 makes its deformation, when external force releases, handle reseting pressuring spring 35
Restoring force the first in command 1 can be made to return to original state.A handle reseting pressuring spring 35 is illustrated only in figure, in reality
In, the quantity and model of pressure spring can be selected according to actual needs, all belong to the scope of protection of the present invention within.
The setting of specific pin shaft and pressure spring may refer to Fig. 2 shows structure.Stapler is internally provided with support column
742, for limiting position of the first end of the first torsional spring 32 on shell, the both ends of support column 742 are individually fixed in stapler
Two side bodies 74, the first end of torsional spring 31 contradicts support column 742, and the second end of torsional spring 31 contradicts the inner wall of second handle 2；
Fixed plate 743 is provided between support column 742 and the shell 74 of stapler, one end of fixed plate 743 is provided with part cladding branch
The arc groove 744 of dagger, the other end of fixed plate 743 are fixed on the shell 74 of stapler, play the role of reinforcing shell；?
In the space that hand reseting pressuring spring 35 is formed between fixed plate 743 and the first in command 1.Pass through this kind of topology layout, sufficiently benefit
With the inner space of stapler, and good support is carried out to all parts, more compact compact entirety can be obtained
Structure.
In order to realize the linkage of the first in command 1 and second handle 2, sliding slot 41 and sliding block are additionally provided on the first in command 1
42, sliding slot 41 includes the first segment 411 and second segment 412 being connected, and second handle 2 includes handle abutting portion 25；When sliding block 42
Positioned at the first segment 411 of sliding slot 41, and the first in command 1 is held when being rotated in a first direction, sliding block 42 not with handle abutting portion
25 contradict, and second handle 2 is located at safety position, although that is, the first in command 1 rotates, but not fires stapler, in failure shape
State.In this embodiment, first direction is counter clockwise direction, however, the present invention is not limited thereto shown in figure.Therefore, doctor holds
When the first in command 1, the first in command 1 can be made to rotate easily, but without triggering second handle 2, simultaneously as being empty at this time
Cock, it is very small for holding the power of the first in command 1.Doctor can also recognize current stapler by this operating experience
State be that and not will cause the casing rupture of stapler in non-cock.
When sliding block 42 is located at the second segment 412 of sliding slot 41, and the first in command 1 is held when being rotated in the counterclockwise direction, sliding
Block 42 and handle abutting portion 25 contradict and second handle 2 are driven to rotate from safety position to firing position.When second handle 2 is along inverse
It when clockwise rotates, can push ejector pin bar 75 mobile to the distal end of stapler simultaneously, and then drive percussion stapler.
It should be noted that the first segment 411 and second segment 412 of heretofore described sliding slot 41 are a relative concepts,
And being not necessarily two ends of sliding slot 41, i.e., in visual angle shown in figure, the first segment 411 of sliding slot 41 is located at second segment
412 right sides.It when sliding block 42 is located at the first segment 411 of sliding slot 41, will not interfere with handle abutting portion 25, and be located at the of sliding slot 41
At two section 412, it will interfere with handle abutting portion 25.
In this embodiment, the first in command 1 includes first cavity 13 with two sides side wall, two sides of the first cavity 13
Wall is respectively arranged with a sliding slot 41, and sliding block 42 includes the abutting portion 422 between two sliding parts 421 and sliding part 421, two cunnings
Dynamic portion 421 is slidably set to respectively in a sliding slot 41.The outside of the first in command 1 is provided with handle housing 16, handle housing 16
Position corresponding with sliding slot 41 is also equipped with fluting, the first segment and second segment of fluting respectively with the first segment 411 of sliding slot 41 and
Second segment 412 is corresponding.In order to realize the limit of sliding block 42 after movement, sliding part 421 is provided with the first position limiting structure 43, opens
The end of the second segment of slot is provided with the second position limiting structure, is respectively arranged between the first position limiting structure 43 and the second position limiting structure
One sliding block reseting pressuring spring 45.
Sliding block 42 from the first segment 411 of sliding slot 41 to the movement of second segment 412 is controlled by pointer 5.Pointer 5 includes
The first end 51 of first end 51, positioning end 53 and second end 52, pointer 5 is provided with protruding portion 54, the protruding portion 54 and a pulling-on piece 6
61 position of drag hook it is corresponding, the positioning end 53 of pointer 5 is rotatably affixed at the shell 74 of stapler.The tail portion 62 of pulling-on piece 6 is solid
Due to can move on a screw rod 76 and with the movement of screw rod 76.When knob 71 is rotated along a direction, screw rod 76 is understood to close
End movement, drives pulling-on piece 6 to move to the near end, and the drag hook 61 of pulling-on piece can drive the first end 51 of pointer 5 to rotate in a second direction,
So that when the first end 51 of pointer 5 is mobile to second position region from first position region, the second end 52 and then band of pointer 5
Movable slider 42 is mobile from the first segment 411 of sliding slot 41 to the second segment 412 of sliding slot 41.In this embodiment, second direction is figure
Shown in clockwise, however, the present invention is not limited thereto.Wherein correspond to first position region and the on stapler ontology
A form is equipped at two bands of position, for observing the location in use of pointer first end 51, pointer first end
51 at first position region, is in safety position, and stapler cannot fire at this time, when pointer first end 51 is in second
When the band of position, stapler can be fired, in order to correspond to can fire second on form more intuitively to doctor to prompt
The band of position is green area, and the prior art has had announcement.
The present invention can be applied not only to conventional circular-pipe anastomat, can also be applied to prepuce anastomat.Such as Fig. 3
It is shown, show the structure of the prepuce anastomat ontology 8 using the handle assembly.The distal end of prepuce anastomat ontology 8 includes nail
Storehouse component 81 is additionally provided with the glans penis cap assembly (not shown) cooperated with nail bin groupware 81.Using prepuce anastomat
When, second handle 2 is movably attached to one end of prepuce anastomat, the second end of second handle 2 and the ejector pin portion of prepuce anastomat
Part matches, and when condition can be fired by meeting, second handle 2 will push ejector pin component, realize the percussion of prepuce anastomat.
It is located at structure when failure state such as handle assembly that Figure 10~14 show the embodiment.Under the state, pulling-on piece 6
The position of pointer 5 is not pulled not change, therefore 51 position of first segment of pointer 5 does not change, and is still within first position area
Domain, sliding block 42 is still located on the first segment 411 of sliding slot 41, in the rotating path of the first in command 1, sliding block 42 and second handle 2
Handle abutting portion 25 do not interfere.It is noted that sliding block 42 is under the action of sliding block reseting pressuring spring 45 when initial position
The end positioned at the separate second segment of 41 first segment of sliding slot is the right end position illustrated.It can certainly be by the second of pointer 41
52 are held to limit the initial position of sliding block 3.In this embodiment, the first end 11 of the first in command 1 be grip part, second
End 12 includes interconnecting piece；The first end 21 of second handle 2 is located at the inside cavity of interconnecting piece, and second end 22 is supported with ejector pin bar 75
Touching.At this point, instrument is in safety position.Since the compressing force of handle reseting pressuring spring 35 is much smaller compared with percussion force, the first in command 1
In curable grip lesser by operator, can be rotated counterclockwise around pin shaft 31, second handle 2 goes successively to the first in command 1
Inside cavity, i.e., the first in command 1 and second handle 2 be in linkage status, second handle 2 do not rotate.Operator holds
When the tight first in command 1, it although can press, but not will drive the rotation of second handle 2, be just unable to complete stapler yet
Percussion.Operator can also obtain touch feedback at this time, it is thus understood that the second end of current pointer 5 is not up to second position region, does not have
There is percussion.When external force releases, the first in command 1 resets under the action of reseting pressuring spring 35.
It is located at structure when cock such as handle assembly that Figure 15~19 show the embodiment.Under the state, rotation
Knob 71 makes screw rod 76 that pulling-on piece 6 be driven to move to the near end, and the first end 51 of pointer 5 is driven to move along clockwise direction, so that
The first end 51 of pointer 5 enters second position region from first position region, and the second end 52 of pointer 5 pushes sliding block 42, makes it
It is moved to the second segment 412 of sliding slot 41 and interferes with handle abutting portion 25.It is sliding when the first in command 1 is held rotation counterclockwise
Block 42 and handle abutting portion 25 contradict and second handle 2 are stopped to go successively in the internal cavity of the first in command 1.As a result,
Second chief 2 and the first in command 1 become linkage status.Second handle 2 rotates counterclockwise with the first in command 1, and the second of second handle 2
End pushes ejector pin bar 75, and ejector pin bar 75 can further push the pushing slice of nail and annular cutter of stapler, to the tissue performed the operation
It is sutured and is cut.
It is further compressed in the moving process of sliding block 42 from can be seen that sliding block reseting pressuring spring 45 in Figure 15~19.
Pulling-on piece abutting portion 23 is additionally provided on second handle 2, when second handle 2 is rotated from safety position to firing position, pulling-on piece is contradicted
Portion 23 can jack up pulling-on piece 6 at ejection 231 position of vertex, be detached from the drag hook 61 of pulling-on piece 6 and pointer 5.At this point, pointer 5 is multiple
It can restore automatically under the action of the spring of position to initial position.Using the structure of single rotation center of the embodiment, pulling-on piece abutting portion
23 is closer apart from pulling-on piece contact point, pulling-on piece 6 is easier to be ejected, and is less prone to ejection failure and leads to pointer return does not show
As.Since the first end 51 of pointer 5 is back to first position region, the second end 52 and sliding block 42 of pointer 5 are detached from.Then, exist
After the thrust for losing pointer 5, sliding block 42 can be back to the of sliding slot 41 under the action of the restoring force of sliding block reseting pressuring spring 45
It one section 411, completes to reset.After the completion of stapler percussion, the first in command 1 is unclamped, second handle 2 is under the restoring force of torsional spring 31
It resets；The first in command 1 is due to being engaged under the action of sliding block with second handle 2, first as second handle 2 is multiple
Position, while being resetted under the action of reseting pressuring spring 35 again.
Further, in this embodiment, it is set at position corresponding with the first end 51 of pointer 5 in the shell 74 of stapler
It is equipped with a sheet metal 77, when the recovery of pointer 5 to initial position, meeting and sheet metal 77 are hit, and be made a sound, and prompt operator
Pointer 5 has resetted.
As shown in figure 11, further, in this embodiment, in order to limit initial position the first in command 1 position, prevent
Only the subtended angle of the first in command 1 is excessive, and the inside cavity of the second end 12 of the first in command 1 is provided with limit pin shaft 14, second
The first end 21 of hand 2 is provided with second handle limiting section 24；The first in command 1 is not pressurized when rotating, and limit pin shaft 14 and handle limit
Position portion 24 is against accurate to the first in command 1 one in original state to stop the first in command 1 to be rotated clockwise along figure
Initial position.But limit pin shaft 14 and second handle limiting section 24 rotate not shadow for the counterclockwise of the first in command 1
It rings, therefore will not influence the normal work of handle assembly.Meanwhile being arranged using this kind, the initial of second handle 2 can also be limited
Position.
It is the structural schematic diagram of the handle assembly of another embodiment of the present invention as shown in Figure 20~22.In this embodiment,
The technology contents different from previous embodiment have: the second position limiting structure limited to sliding block reseting pressuring spring 45 is directly arranged at
The end of the second segment 412 of sliding slot 41.In addition, in this embodiment, the first in command 1 and the contact position of the shell 74 of stapler are set
It is equipped with first in command's limiting section 15, the shell 74 of stapler is correspondingly arranged on shell limiting section 741；The first in command 1 is not pressurized rotation
When turning, first in command's limiting section 15 and shell limiting section 741 are against to stop the first in command 1 to be rotated in a clockwise direction.
As shown in figure 20, handle assembly is located at original state, and pulling-on piece 6 does not pull pointer 5 to rotate, and pointer 5 is in first
Region is set, sliding block 42 is located at the first segment 411 of sliding slot 41.As shown in figure 21, handle assembly is located at failure state, second handle 2
The cavity of the first in command 1 is gone successively to, the two does not link, and holding the first in command 1 can not achieve the percussion of stapler.Such as Figure 22 institute
Show, handle assembly is in cock, rotates knob 71, makes pulling-on piece 6 that pointer 5 be pulled to be rotated in a clockwise direction, and sliding block 42 is sliding
The second segment 412 of trend sliding slot 41 holds the first in command 1, while second handle 2 being driven to rotate counterclockwise, pushes ejector pin bar 75,
Complete the percussion of stapler.After percussion, the reset state of various components is same as above an embodiment, herein not with repeat.
Since handle end has a certain distance between shell, operator is often difficult to judge whether stapler is in
Complete cock.Therefore, in this embodiment, it is additionally provided with a rubber tack 78 on the shell of stapler 74, is holding
When the first in command 1, the first end tail portion of the first in command 1 can visually prompt the operator first in command 1 close to rubber tack 78
First end 11 arrived the shell 74 of stapler, stapler fires in place.
It as shown in figure 23, is the structural schematic diagram of the handle assembly of yet another embodiment of the invention.Itself and above-mentioned two implementation
The difference of example is that the other side of the first in command 1 is arranged in handle reseting pressuring spring 35, similarly, when the first in command 1 is pressed,
Handle reseting pressuring spring 35 can be compressed, after unclamping the first in command 1, handle reseting pressuring spring 35 can be such that the first in command 1 resets.?
In the embodiment, handle reseting pressuring spring 35 be can be set in the first in command 1 itself between the shell 74 of stapler, can also be set
It sets between handle housing 16 and the shell 74 of stapler.
It is only as described above three kinds of optional embodiments of the invention, in practical applications, it is also an option that other
Variations and combinations, all belong to the scope of protection of the present invention within.For example, sliding slot and sliding block are not limited to be set on the first in command,
Also it can be set on second handle, the first in command correspondingly has handle abutting portion.Second handle have the second cavity, first
The second end section of handle is located at the inside of the second cavity.When sliding block is located at the first segment of sliding slot, and the first in command is along first party
To when rotation, handle abutting portion is not contradicted with sliding block, and the first in command goes successively to the inside cavity of second handle, second handle position
In safety position；When sliding block is located at the second segment of sliding slot, and the first in command is rotated in a first direction, handle abutting portion and sliding block
It contradicts, the first in command is prevented to go successively to the inside cavity of second handle, to drive second handle from safety position to percussion
Position rotation, realizes the percussion of stapler.
In addition, the reset mode of sliding block is also not necessarily limited to by the way of pressure spring, can also sliding block two sliding parts it
Between be arranged a torsional spring limiting section, a sliding block reduction torsion spring is provided between torsional spring limiting section and second handle.Torsional spring limit
Portion can be a groove, limit to one end of sliding block reduction torsion spring.Sliding block is slided from the first segment of sliding slot to second end
When, sliding block reduction torsion spring can be squeezed, deformation is formed it into, after the external force that sliding block is subject to releases, the restoring force of sliding block reduction torsion spring
It can be by slipper push to initial position.
The embodiment of the present invention also provides a kind of stapler, including the handle assembly.Shape can be not up to fired in stapler
When state, the first in command will not drive second handle, would not also fire stapler, and doctor can also be judged by operating experience
Cock, only stapler reach can cock when, the movement of the first in command just will drive the movement of second handle, in turn
Fire stapler.To on the basis of avoiding stapler from being sent out by mistakenly hit, while avoiding that stapler casing cracking occurs.
In addition, the present invention is unified by the rotation center of the first in command and second handle, so that the overall structure of stapler is more stable, shell
The opening of handle can be designed smaller in body, have more attractive appearance.
It handle assembly provided by the present invention and is had the advantage that including its anastomosis apparatus
The present invention provides a kind of handle assembly and including its stapler, by by handle assembly be divided into the first in command and
Second handle, the only athleticism of second handle enough fire stapler and execute cutting and suture movement；In use, nothing
By stapler whether reach can cock, doctor can press the first in command, however, can not up to fire shape in stapler
When state, the first in command will not drive second handle, would not also fire stapler；By the design of torsional spring, pin shaft and pressure spring,
Leader and second handle are rotatably connected and may be implemented to reset, and realize the first in command and second handle around the same rotation
The rotation center of center rotation, failure state and cock is constant, and structure is more stable, and the usage experience of operator is more preferable.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (13)
1. a kind of handle assembly, the percussion for stapler, which is characterized in that the handle assembly includes:
The first in command and second handle；
Torsional spring and pin shaft, the pin shaft are fixed on the shell of the stapler and are arranged in the first in command and second handle
In, the torsion spring set is set on the pin shaft, and the both ends of the torsional spring contradict the shell and described the of the stapler respectively
Second chief；
Handle reseting pressuring spring is connected between the first in command and the shell of the stapler；
Sliding slot and sliding block, the sliding slot are set on the first in command or the second handle, and the sliding slot includes being connected
First segment and second segment, and the sliding block is slidably set in the sliding slot；
When the sliding block is located at the first segment of the sliding slot, the first in command and second handle do not link；When the sliding block
When positioned at the second segment of the sliding slot, the first in command and second handle are linked by the sliding block.
2. handle assembly according to claim 1, which is characterized in that the sliding slot is located on the first in command, described
Second handle includes handle abutting portion；
When the sliding block is located at the first segment of the sliding slot, and the first in command is rotated in a first direction, the sliding block is not
It is contradicted with the handle abutting portion, the second handle is located at safety position；
When the sliding block is located at the second segment of the sliding slot, and the first in command is rotated in a first direction, the sliding block with
The handle abutting portion contradicts and the second handle is driven to rotate from the safety position to firing position.
3. handle assembly according to claim 2, which is characterized in that the first in command includes with two sides side wall
One cavity, the two side walls of first cavity are respectively arranged with a sliding slot, and the sliding block includes two sliding parts and cunning
Abutting portion between dynamic portion, described two sliding parts are slidably set to respectively in a sliding slot.
4. handle assembly according to claim 3, which is characterized in that the sliding part is provided with the first position limiting structure, institute
The end for stating the second segment of sliding slot is provided with the second position limiting structure, between first position limiting structure and second position limiting structure
It is respectively arranged with a sliding block reseting pressuring spring.
5. handle assembly according to claim 3, which is characterized in that the outside of the first in command is additionally provided with handle shell
Body, handle housing position corresponding with the sliding slot are also equipped with fluting, the fluting include respectively with the sliding slot
First segment and the corresponding first segment of second segment and second segment；The sliding part is provided with the first position limiting structure, the fluting
The end of second segment is provided with the second position limiting structure, is respectively set between first position limiting structure and second position limiting structure
There is a sliding block reseting pressuring spring.
6. handle assembly according to claim 3, which is characterized in that further include turning round between two sliding parts of the sliding block
Spring limiting section is additionally provided with sliding block reduction torsion spring between the torsional spring limiting section and the second handle.
7. handle assembly according to claim 3, which is characterized in that the first end of the first in command is grip part, institute
The second end for stating the first in command includes interconnecting piece；The first end of the second handle is located at the inside cavity of the interconnecting piece；
It is described second when the sliding block is located at the first segment of the sliding slot, and the first in command is rotated in a first direction
Hand goes successively to the inside cavity of the first in command；
When the sliding block is located at the second segment of the sliding slot, and the first in command is rotated in a first direction, the sliding block resistance
Keep off the inside cavity that the second handle goes successively to the first in command.
8. handle assembly according to claim 1, which is characterized in that the inner wall of two side bodies of the stapler is set respectively
It is equipped with the fixed column for fixed pin shaft end, the inner wall of the shell of the stapler is additionally provided with shell fixed part, and described
The second end of leader is additionally provided with handle fixed part, and the both ends of the handle reseting pressuring spring are individually fixed in the shell and fix
Portion and the handle fixed part.
9. handle assembly according to claim 8, which is characterized in that the stapler is internally provided with support column, institute
The both ends for stating support column are individually fixed in two side bodies of the stapler, and the first end of the torsional spring contradicts the support column,
And the second end of the torsional spring contradicts the inner wall of the second handle；
Fixed plate is provided between the support column and the shell of the stapler, one end of the fixed plate is provided with part packet
The arc groove of the support column is covered, the other end of the fixed plate is fixed on the shell of the stapler；
In the space that the handle reseting pressuring spring is formed between the fixed plate and the first in command.
10. handle assembly according to claim 1, which is characterized in that the sliding slot is located on the second handle, described
The first in command includes handle abutting portion；
When the sliding block is located at the first segment of the sliding slot, and the first in command is rotated in a first direction, the handle is supported
Contact portion is not contradicted with the sliding block, and the second handle is located at safety position；
When the sliding block is located at the second segment of the sliding slot, and the first in command is rotated in a first direction, the handle is supported
Contact portion and the sliding block contradict and the second handle are driven to rotate from the safety position to firing position.
11. the handle assembly according to claim 2 or 10, which is characterized in that further include pointer, the pointer includes first
End, positioning end and second end, the positioning end of the pointer are rotatably affixed at the shell of the stapler；
The pointer is connected to the drag hook of pulling-on piece, and the proximal end of the pulling-on piece is sheathed on screw rod, and the screw rod distal end is equipped with knob, revolves
Turning the knob drives the pulling-on piece mobile to the proximal end of stapler, and the pulling-on piece drives the first end of the pointer from first
It is mobile to second position region to set region, the second end of the pointer drives the sliding block to be moved to from the first segment of the sliding slot
The second segment of the sliding slot.
12. handle assembly according to claim 11, which is characterized in that the second handle includes pulling-on piece abutting portion, institute
Second handle is stated from the safety position to when firing position rotation, the pulling-on piece abutting portion contradicts the pulling-on piece, makes the drawing
The drag hook of piece and the pointer are detached from.
13. a kind of stapler, which is characterized in that including handle assembly described in any one of claims 1 to 12.
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711434138.2A CN109953790B (en) | 2017-12-26 | 2017-12-26 | Handle assembly and anastomat comprising same |
| CA3087301A CA3087301C (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler including the same |
| RU2020124375A RU2738580C1 (en) | 2017-12-26 | 2018-12-12 | Assembled handle and a stapling apparatus comprising a handle assembly |
| KR1020207019455A KR102410828B1 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler comprising same |
| US16/957,564 US11350941B2 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler including the same |
| BR112020012735-3A BR112020012735A2 (en) | 2017-12-26 | 2018-12-12 | lever and stapler assembly including the same |
| JP2020535540A JP7029539B2 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler containing it |
| EP18894080.3A EP3733087A4 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler comprising same |
| PCT/CN2018/120697 WO2019128719A1 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler comprising same |
| AU2018398829A AU2018398829B2 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler including the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711434138.2A CN109953790B (en) | 2017-12-26 | 2017-12-26 | Handle assembly and anastomat comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109953790A true CN109953790A (en) | 2019-07-02 |
| CN109953790B CN109953790B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711434138.2A Active CN109953790B (en) | 2017-12-26 | 2017-12-26 | Handle assembly and anastomat comprising same |
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| Country | Link |
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| CN (1) | CN109953790B (en) |
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| CN101991454A (en) * | 2010-12-10 | 2011-03-30 | 苏州天臣国际医疗科技有限公司 | Novel handle component |
| CN103142278A (en) * | 2012-12-28 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Circular tube-type anastomat |
| CN104997541A (en) * | 2015-08-14 | 2015-10-28 | 上海逸思医疗科技有限公司 | One-hand operable surgical instrument and operation method thereof |
| CN206261635U (en) * | 2016-08-25 | 2017-06-20 | 江苏明朗医疗器械科技有限公司 | Single use cast stapler |
| CN107106180A (en) * | 2014-12-11 | 2017-08-29 | 柯惠有限合伙公司 | Stapling apparatus with automatic locking mechanism |
| CN208876646U (en) * | 2017-12-26 | 2019-05-21 | 苏州天臣国际医疗科技有限公司 | Handle assembly and stapler including it |
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2017
- 2017-12-26 CN CN201711434138.2A patent/CN109953790B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101991454A (en) * | 2010-12-10 | 2011-03-30 | 苏州天臣国际医疗科技有限公司 | Novel handle component |
| CN103142278A (en) * | 2012-12-28 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Circular tube-type anastomat |
| CN107106180A (en) * | 2014-12-11 | 2017-08-29 | 柯惠有限合伙公司 | Stapling apparatus with automatic locking mechanism |
| US20170348002A1 (en) * | 2014-12-11 | 2017-12-07 | Covidien Lp | Stapler with auto-matic lockout mechanism |
| CN104997541A (en) * | 2015-08-14 | 2015-10-28 | 上海逸思医疗科技有限公司 | One-hand operable surgical instrument and operation method thereof |
| CN206261635U (en) * | 2016-08-25 | 2017-06-20 | 江苏明朗医疗器械科技有限公司 | Single use cast stapler |
| CN208876646U (en) * | 2017-12-26 | 2019-05-21 | 苏州天臣国际医疗科技有限公司 | Handle assembly and stapler including it |
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|---|---|
| CN109953790B (en) | 2024-02-13 |
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Address after: 215123 No. 278 Dongping Street, Suzhou Industrial Park, Suzhou City, Jiangsu Province Applicant 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 Applicant before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |
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