CN108113723A - Surgical operating instrument - Google Patents
Surgical operating instrument Download PDFInfo
- Publication number
- CN108113723A CN108113723A CN201711398171.4A CN201711398171A CN108113723A CN 108113723 A CN108113723 A CN 108113723A CN 201711398171 A CN201711398171 A CN 201711398171A CN 108113723 A CN108113723 A CN 108113723A
- Authority
- CN
- China
- Prior art keywords
- nail
- locating piece
- suturing
- anvil
- bin groupware
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 238000001727 in vivo Methods 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 38
- 238000009527 percussion Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002682 general surgery Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered 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
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07278—Stapler heads characterised by its sled or its staple holder
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
Abstract
The present invention relates to a kind of surgical operating instruments, to suture and cut tissue, the surgical operating instrument includes the body of a gun and the nail bin groupware being arranged on the body of a gun, the body of a gun includes closed rod, trigger shaft, nail anvil stent and nail anvil, the nail bin groupware and trigger shaft, closed rod connects, the nail bin groupware includes warehouse, mounted on the in vivo suturing nail in the storehouse, and to the nail pushing plate of releasing the suturing nail out of described warehouse and can relatively described warehouse movement cutting assembly, the cutting assembly, which pushes the nail pushing plate, causes the suturing nail to be removed out of warehouse, the trigger shaft has the front end face for pushing the cutting assembly, the front end face is arc or taper.The surgical operating instrument can improve suturing nail into nail effect, and by the way that front end face is set camber or taper after, nail anvil stent can not do pre-bending design, make the design of the surgical operating instrument and make simpler.
Description
Technical field
The present invention relates to a kind of surgical operating instruments.
Background technology
In general surgery treatment, surgical instruments is the operation tool in medical operating, and linear stapler is surgery device
A kind of operation tool of identical function of cutting of being commonly used for completing tissue of tool, medically uses, substitutes seam by hand
The equipment of conjunction, main operational principle is to carry out detachment to tissue using titanium nail (suturing nail) or coincide, similar to stapler.Line
Property stapler due to percussion into nail power it is very big, it is inconsistent so as to cause upper and lower Cheng Ding, in order to solve this problem, currently used hand
Section is that jaw is done pre-bending, to ensure the property unanimous between the higher and lower levels into nail, still, design and preparation of such mode to linear stapler
Very high requirement is proposed, moreover, actual in use, even if by jaw pre-bending, but there are still into nail problem.
The content of the invention
It is an object of the invention to provide a kind of surgical operating instrument, can improve suturing nail into nail effect.
In order to achieve the above objectives, the present invention provides following technical solution：A kind of surgical operating instrument, to suture and cut
Tissue, the surgical operating instrument include the body of a gun and the nail bin groupware that is arranged on the body of a gun, the body of a gun include closed rod,
Trigger shaft, nail anvil stent and nail anvil, the nail bin groupware are connected with trigger shaft, closed rod, and the nail bin groupware includes warehouse, peace
Nail pushing plate mounted in the in vivo suturing nail in the storehouse and the suturing nail to be released out of described warehouse and can be relatively described
The cutting assembly of warehouse movement, the cutting assembly, which pushes the nail pushing plate, causes the suturing nail to be removed out of warehouse, described
Trigger shaft has the front end face for pushing the cutting assembly, and the front end face is arc or taper.
Further, installation cavity is formed in the cutting assembly, the trigger shaft is inserted into installation cavity, the installation
Chamber has the second wall, and escape groove is offered on second wall, and the trigger shaft has the grafting being inserted in the installation cavity
It holds and is extended rearwardly to form from the inserted terminal and pass through the lengthwise portion of the escape groove, convex block is provided on the inserted terminal,
Second wall departs from the installation cavity in the limitation in the reverse direction for the going out nail convex block of suturing nail.
Further, on the installation direction of the nail bin groupware, the one side of the installation cavity is provided with for the insertion
End is inserted into the interface in installation cavity.
Further, the installation cavity has roof, and on the installation direction of the nail bin groupware, the roof is located at institute
The top of installation cavity is stated, the roof and the second wall, which enclose to set, is formed with hook slot, is formed on the inserted terminal described in being inserted in
Fastening block part in hook slot.
Further, the nail anvil stent includes being fixed on the preceding pincers in the preceding jaw arm of cantilever position, the nail anvil
On mouth arm, the nail anvil has the suturing nail contact zone contacted with the suturing nail, and the preceding jaw arm contacts platform with tissue
Between be provided with the first locating piece and the second locating piece；When the surgical operating instrument is closed, first locating piece, second are determined
Position block is clamped in respectively between the preceding jaw arm contacts platform with the tissue of nail bin groupware；In the short transverse of the nail anvil
On, first locating piece, the second locating piece are located at the both sides of the suturing nail contact zone；The nail anvil, suturing nail contact zone,
First locating piece, the second locating piece, which enclose, to be set to form a parallelogram lever.
Further, be provided on the nail bin groupware can relatively described nail bin groupware along the suturing nail go out to follow closely direction move
It moves and the upper tissue pilot pin being inserted into the nail anvil can be gone out, be provided on the nail anvil stent and be inserted into the nail bin
Undertissue's pilot pin in component, on the longitudinally of nail anvil, the upper tissue pilot pin, undertissue's pilot pin are located at described
The both sides of suturing nail contact zone.
Further, the nail anvil, suturing nail contact zone, the first locating piece, the second locating piece enclose set the frame to be formed as
Rectangle.
Further, the thickness of first locating piece is equal with the thickness of the second locating piece.
Further, first locating piece is arranged on the nail bin groupware, and second locating piece is arranged on described
On nail anvil or nail anvil stent.
Further, the nail anvil stent further includes rear jaw arm and lower jaw arm, the preceding jaw arm, rear jaw arm and
Lower jaw upper-arm circumference sets to form the U-shaped jaw chamber, is offered in the lower jaw arm along the suturing nail and goes out to follow closely direction extension
Sliding slot, second locating piece is arranged in the sliding slot and slid in the sliding slot, and the is additionally provided in the sliding slot
One spring, the glide direction of first spring along second locating piece is compressed or expansion；When the nail bin groupware is applied to
Thrust revocation on second locating piece, first spring promote second locating piece away from the nail anvil.
The beneficial effects of the present invention are：The surgical operating instrument of the present invention by the front end face of trigger shaft by being arranged to arc
Shape or taper so as to which pushing slice of nail can be adjusted the angle in percussion, ensure that the uniformity of pushing slice of nail and nail anvil, moreover, it may be used also
To adapt to different tissue thicknesses, the adjusting of angle is completed according to different tissue thicknesses, in addition, such set can be achieved to nail
The compensation of anvil stent top and the bottom power, to sum up, by the present invention surgical operating instrument can improve suturing nail into nail effect, and
After front end face is set camber or taper, nail anvil stent can not do pre-bending design, make the design of the surgical operating instrument
And it makes simpler.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technology hand of the utility model
Section, and can be practiced according to the content of specification, with presently preferred embodiments of the present invention and attached drawing be coordinated to be described in detail such as below
Afterwards.
Description of the drawings
Fig. 1 is the structure diagram of the surgical operating instrument shown in one embodiment of the invention；
Fig. 2 is the structure diagram of the nail bin groupware shown in Fig. 1；
Fig. 3 is the exploded view of nail bin groupware shown in Fig. 2；
Fig. 4 is the structure diagram under surgical operating instrument closure state shown in FIG. 1；
Fig. 5 is the sectional view of surgical operating instrument shown in Fig. 4；
Fig. 6 is the magnified partial view in Fig. 5；
Fig. 7 is surgical operating instrument shown in FIG. 1 in the enlarged drawing of the part-structure in overlook direction；
Fig. 8 is part-structure in Fig. 7 in the sectional view on another visual angle (under non-cock)；
Fig. 9 is part-structure in Fig. 7 in the sectional view on another visual angle (under cock)；
Figure 10 is the enlarged drawing of circle A in Fig. 8；
Figure 11 is the enlarged drawing of circle B in Fig. 9.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
Fig. 1 is referred to, the surgical operating instrument shown in one embodiment of the invention is electric drive stapler (calling stapler in the following text),
It is used to suturing and cutting tissue.The stapler includes the body of a gun 10 and the nail bin groupware 20 on the body of a gun 10.Please
Referring to Fig. 2 and Fig. 3 and Fig. 6, Fig. 7 are combined, the nail bin groupware 20 includes warehouse 11, the suturing nail in the warehouse 11
(not shown) and upper tissue pilot pin 12, to suturing nail is released out of warehouse 11 nail pushing plate 13, can relatively described warehouse
The cutting assembly 14 and the shield nail-plate 2 on the warehouse 11 of 11 movements.In the present embodiment, the cutting assembly
14 include knife rest 141 and the blade 142 being fixed on knife rest 141, and installation cavity 143 is provided with and to fixation in the knife rest 41
The holding tank 140 of blade 142, holding tank 140 is open to be gone out to follow closely direction towards suturing nail.The installation cavity 143, which has to be formed, to be somebody's turn to do
The first wall 144, the second wall 145, the 3rd wall 146, the 4th wall 147 and the roof 148 of installation cavity 143,144 He of the first wall
Second wall 145 follows closely the both sides for being located at the installation cavity 143 on direction, the 3rd wall 146 and the 4th wall 147 in going out for suturing nail
In the both sides for being located at the installation cavity 143 on the thickness direction of nail bin groupware, on the installation direction of the nail bin groupware 20, institute
State the top that roof 148 is located at installation cavity 143.Escape groove (non-label) is offered on second wall 145.The warehouse 11
Including suturing nail mounting portion 111, from the suturing nail mounting portion 111, (direction is opposite to go out to follow closely direction with suturing nail backward
Direction) it extend to form and be oppositely arranged two extension backplates 112, extends back from the top of the suturing nail mounting portion 111
The upper pilot pin mounting portion 113 formed and the press block being downwardly extending from the lower section of the suturing nail mounting portion 111
117.Shield top plate 2 contacts platform to cover the tissue.The upper pilot pin mounting portion 113 is located at described two extension backplates
112 tops, and two extension backplates 112 are connected and perpendicular to pilot pin mounting portion 113.The suturing nail mounting portion 111 has
The tissue contact platform (not shown) that is contacted with the tissue (not shown) for being sewn and cutting and to contact platform with the tissue opposite
The bottom surface (not shown) of setting offers several suture nail cavities (not shown), several seams in the suturing nail mounting portion 111
For dowel chamber through tissue contact platform and bottom surface, several suturing nails are mounted on the suturing nail intracavitary, each suturing nail intracavitary peace
A suturing nail is filled, each suturing nail is held in suturing nail intracavitary by two bending bars, and suturing nail goes out when following closely, and nail pushing plate 13 pushes away
It is moved to remove from suturing nail intracavitary.The longitudinally along the suturing nail mounting portion 111 is offered on the suturing nail mounting portion 111
The first cutter slit (not shown) of extension (longitudinally and suturing nail go out follow closely direction vertical), first cutter slit run through
Tissue contact platform and bottom surface, when cutting tissue, the blade 142 enters in the first cutter slit and stretches out the first cutter slit
To complete the cutting to tissue.Accommodating chamber (non-label) is formed between two extension backplates 112, it is described to extend on backplate 112
It is formed with circular salient point 114.The first slot for going out to follow closely direction extension along suturing nail is offered in the upper pilot pin mounting portion 113
115 and second conduit 116 of road, first conduit 115 are located at the top of the second conduit 116, and the upper tissue pilot pin 12 is set
It puts in first conduit 115, and can be in first conduit 115 along the negative direction for going out to follow closely direction and going out nail of suturing nail
It is mobile.The nail pushing plate 13 includes several corresponding suture nail cavities settings and the ejector pin suturing nail to be released from suturing nail intracavitary
Piece 131, the fixed part 132 to several pushing slice of nail 131 of fixation and the triggering application member that is fixed on the fixed part 132
133.The pushing slice of nail 131 be inserted into the suturing nail intracavitary with by the suturing nail from suturing nail intracavitary remove so as to fulfill
Go out nail.From the front end of the fixed part 132, (direction goes out to follow closely the reversed of direction for suturing nail) prolongs the pushing slice of nail 131 forward
It stretches to be formed.The upper end of the fixed part 132 is inserted into the second conduit 116, since fixed part 132 is inserted into second conduit 116,
Therefore the moving direction of the nail pushing plate 13 of limitation.When the stapler fires, the knife rest 41 is supported in fixed part 132.It is described
The second cutter slit 134 is provided on nail pushing plate 13, which corresponds to first cutter slit and set, in cutting group
Before knitting, the blade 142 is entered back into after first passing through the second cutter slit 134 to the first cutter slit.The suturing nail goes out nail process such as
Under：The blade 142 is entered back into after first passing through the second cutter slit 134 to the first cutter slit, until knife rest 41 supports fixed part
132, then fixed part 132 is promoted to move forward, release suturing nail until piece 131 is promoted to enter to suturing nail intracavitary.At this
In embodiment, the nail pushing plate 13 further includes the fixture block 135 formed from the downward projection in the lower surface of the fixed part 132, described
Triggering application member 133 is embedded in the fixture block 135, for the ease of installing the triggering application member 133, the bottom of the fixture block 135
Portion is provided with to the embedded groove 136 (referring to Fig. 6) of the insertion triggering application member 133.Go out nail side in the suturing nail
To the press block 117 is located at the front side of the fixture block 135.
Whether nail bin groupware 20 on the body of a gun 10 will be installed on the body of a gun 10 or be installed in for the ease of observation
It was fired, and in the present embodiment, offered to show the visual observation window of 13 position of nail pushing plate on the warehouse 11
Mouth 118；When the nail bin groupware 20 is not fired, the part nail pushing plate 13 is exposed by the visual observation window 118,
When the nail pushing plate 13 releases the suturing nail to complete to fire from suture intracavitary, the nail pushing plate 13 is seen away from the vision
Window 118 is examined, and then nail pushing plate 13 is not exposed in the visual observation window 118.The nail pushing plate 13 for convenience of description
It is mobile, the position of nail pushing plate 13 can be defined as the first position before nail bin groupware 20 does not fire and nail bin groupware 20 fires
The second position afterwards, when the nail pushing plate 13 is located at the first position, nail pushing plate 13 is exposed to the visual observation window
In 118, when the nail pushing plate 13 is located at the second position, the visual observation window 118 misplaces with nail pushing plate 13, nail pushing plate 13
It is not exposed in the visual observation window 118.The visual observation window 118 is located at the one side of second conduit 116 simultaneously
The part of second conduit 116 is exposed.In the present embodiment, in order to whether intuitively observe the nail pushing plate 13 exposed to regarding
Feel in watch window 118, the color of the nail pushing plate 13 and the color of the second conduit 116 and the color of visual observation window 118
There are aberration.The nail pushing plate 13 and cutting assembly 14 are arranged in the accommodating chamber, after suturing nail goes out nail, nail pushing plate 13 by
Frictional force between nail cavity is sutured causes the nail pushing plate 13 to be maintained at the second position.And in order to ensure 13 energy of nail pushing plate
Enough nail pushing plates 13 are maintained at the second position, can be set between the nail pushing plate 13 and extension backplate 112 clamping structure with
The nail pushing plate 13 is limited to move.Specifically, in the present embodiment, backplate card slot 1121 is offered on the extension backplate 112,
The positioning wedged block 137 with the backplate card slot 1121 cooperation is provided on the fixed part 132；The nail pushing plate 13 is by suturing nail
It is released from suturing nail intracavitary, the backplate card slot 1121 coordinates to limit the fixed part 132 with respect to warehouse with positioning wedged block 137
11 movements.The backplate card slot 1121 and positioning wedged block 137 form clamping structure, and in other embodiments, the clamping structure is also
For other structures or card slot can be set on fixed part 132, the card with card slot cooperation is set on extension backplate 112
Block.In the present embodiment, each extension backplate 112 includes extended rearwardly to form from the suturing nail mounting portion 111 the
One board body part 1122 and the second board body part 1123 extended rearwardly to form from first board body part 1122, the backplate card slot 1121
It is opened in the first board body part 1122.It is opened up in second board body part 1123 and is formed with going out to follow closely direction and prolong along the suturing nail
The guide groove 1124 stretched, center line, the 1124 center line overlap of guide groove of the backplate card slot 1121, the guide groove 1124,
Backplate card slot 1121 connects, and the positioning wedged block 137 can be moved to out of described guide groove 1124 in backplate card slot 1121.It is logical
The cooperation of the guide groove 1124 and positioning wedged block 137 is crossed to ensure that nail pushing plate 13 is steadily mobile relative to warehouse 11.In the present embodiment
In, the guide groove 1124, backplate card slot 1121 are located therein on one piece of extension backplate 112, in other embodiments, can be with
Extend at two pieces on backplate 112 and be respectively provided with guide groove 1124, backplate card slot 1121.In the present embodiment, 41 projection of knife rest
The guide block 149 coordinated with the guiding card slot 1124, the guide block 149 and the cooperation for being oriented to card slot 1124 are formed with, can be made
The knife rest 41 is obtained to move steadily.
In the present embodiment, the several first anti-skidding costals 119 are set on the warehouse 11 in order to capture the nail bin groupware
20.Before firing, it is necessary to which shield nail-plate 2 is removed from nail bin groupware 20, the shield nail-plate 2 includes pressing from both sides the nail bin groupware 20
Hold the holding section 21 on the warehouse 11 and the holding section 21 to be driven to clamp the press section 22 of the warehouse 11, it is described
The several second anti-skidding costals 23 are provided on press section 22.
Fig. 1 and Fig. 4 are referred to Fig. 6, the body of a gun 10 includes handle portion 3 and work first 4, in the present embodiment, described
Handle portion 3 sterilizes electric handle to be reusable, is internally provided with fast connector and signal transmission port, the handle
It is additionally provided with to provide the replaceable battery group of electric power in portion 3, which is prior art construction, therefore herein not in detail
Description.The actions such as closure, opening and the percussion of work first 4 are driven by the handle portion 3.The work first 4 include housing 41,
Transmission component 45, closed rod 42, trigger shaft 43, nail anvil stent 44, nail anvil 46 and connector 47.The transmission component 45 is set
It is docked in housing 41 and with handle portion 3, the closed rod 42, trigger shaft 43 are stretched out from the housing 41, the closed rod
42nd, trigger shaft 43 is connected with transmission component 45 and is driven by the transmission component 45, and the closed rod 42 and trigger shaft 43 stretch into
To nail anvil stent 44, nail anvil stent 44 is fixed on housing 41 by the connector 47, and the connector 47 is oppositely arranged
Two panels plates, the trigger shaft 43 and closed rod 42 are arranged between two panels plates.The nail anvil 46 is arranged on nail anvil branch
On frame 44.The nail anvil stent 44 includes jaw arm before the preceding jaw arm 441 being oppositely arranged and rear jaw arm 442 and connection
441 and the lower jaw arm 443 of rear jaw arm 442, preceding jaw arm 441, rear jaw arm 442 and the lower jaw arm 443 enclose and set to be formed
There is U-shaped jaw chamber 445, the trigger shaft 43, closed rod 42 are stretched to from the rear of rear jaw arm 442 in U-shaped jaw chamber 445, institute
Nail bin groupware 20 is stated to be arranged in the U-shaped jaw chamber 445.
Incorporated by reference to Fig. 3, Fig. 7 to Figure 11, trigger shaft 43 is inserted into installation cavity 143, for the ease of trigger shaft 43 and installation
Chamber 143 docks, and the one side of 143 Opposite top 148 of installation cavity is provided with interface (not shown), and trigger shaft 43 is inserted from described
Interface is inserted into installation cavity 143.The trigger shaft 43, which has, is inserted in inserted terminal 431 in the installation cavity 143 and from institute
The lengthwise portion 432 that inserted terminal 431 extends rearwardly to form and passes through the escape groove 149 is stated, which stretches to housing 41
It is interior to be connected with transmission component 45.Convex block 433 is provided on the inserted terminal 431.Second wall 145, the 3rd wall 146,
Missing portion (non-label) is formed on four walls 147, second wall 145 is described convex in the limitation in the reverse direction for going out nail of suturing nail
Block 433 departs from installation cavity 143, and the 3rd wall 146, the 4th wall 147 are described convex in being limited on the width of nail bin groupware 20
Block 433 departs from installation cavity 143.The front end face of the inserted terminal 431 is arc, and the front end face pushes the first wall 144, so that
Cutting assembly 14 goes out to follow closely direction movement towards suturing nail.148 and second wall 144 of roof, which encloses to set, is formed with hook slot 1431,
The fastening block part 434 being inserted in the hook slot 1431 is formed on the inserted terminal 431, passes through hook slot 1431 and fastening block part
434 cooperation is to limit shaking amplitude (such as Figure 10 and Figure 11) of the cutting assembly 14 on trigger shaft 43.Due to the trigger shaft 43
Be inserted in the installation cavity 143 of cutting assembly 14, and by trigger shaft 43 set convex block 43 so that the trigger shaft 43 with
It is formed between cutting assembly 14 and fixes connection, so, after trigger shaft 43 drives cutting assembly 14 to fire and completes cutting tissue,
When trigger shaft 43 is given up the throne, cutting assembly 14 is pulled back the position to before not firing.Incorporated by reference to Fig. 8 and Fig. 9, for convenience of description
The change in location of pushing slice of nail 131, defines first state position 100, the second state position 100 ' in figs. 8 and 9, and Fig. 8 is nail
Under non-cock, Fig. 9 is in for nail bin groupware 20 under cock storehouse component 20, during percussion, trigger shaft 43
Front end face pushes the first wall 144 in installation cavity, and cutting assembly 14 is caused to move and push and push away along the direction that goes out to follow closely of suturing nail
The fixed part 132 of nail-plate 13 and make nail pushing plate 13 simultaneously towards suturing nail go out to follow closely direction movement, when suturing nail goes out and follows closely, due to every
Pressure suffered by a suturing nail has differences, so, opposite suturing nail will generate a thrust to pushing slice of nail 131, ejector pin
After piece 131 is subject to the thrust, which is transferred to cutting assembly 14, since the front end face of trigger shaft 43 is arc, so, cutting
Component 14 can move under the action of thrust on front end face along its arcuate directions, when cutting assembly 14 is with respect to trigger shaft 43
After movement, cutting assembly 14 will drive nail pushing plate 13 to move, which is changed to the second shape from first state position 100
State position 100 ', pushing slice of nail 131 do the swing of a angles.Figure 10 and Figure 11 are referred to, when cutting assembly 14 is moved with respect to trigger shaft 43
When dynamic, position of the fastening block part 434 in hook slot 1431 will change therewith.In the present embodiment, by by the front end of trigger shaft 43
Face sets camber, so as to which pushing slice of nail 131 can be adjusted the angle in percussion, ensure that the uniformity of pushing slice of nail and nail anvil, and
And different tissue thicknesses is may also adapt to, the adjusting of angle is completed according to different tissue thicknesses, in addition, such setting
The compensation to 44 top and the bottom power of nail anvil stent can be achieved.Really, in other embodiments, which can also be taper,
But opposing arcuate, taper are also easy to produce rigid shock, and taper easily causes cutting assembly 14 impaired there are pointed nose, to sum up,
By the surgical operating instrument can improve suturing nail into nail effect, and by the way that front end face is set camber or taper after,
Nail anvil stent can not do pre-bending design, make the design of the surgical operating instrument and make simpler.
The circular depressions (non-label) coordinated with the circular salient point 114 on extension backplate 112 are provided in the closed rod 42.
The nail anvil 46 be fixed on before on jaw arm 441, the nail anvil 46 is towards the nail bin groupware 20, nail anvil 46 and nail bin groupware 20
Tissue contact platform is oppositely arranged, which has contacts to apply contact stud with the suturing nail in the nail bin groupware 20
Pressure is provided with group on the preceding jaw arm 441 so as to be in the suturing nail contact zone (non-label) of B fonts after contact stud bending
Location hole 444 is knitted, when the stapler is closed, the upper tissue pilot pin 12 is inserted into the upper tissue location hole 444
With the fixed tissue for being sewn and cutting, in the present embodiment, driving lever 421 is provided in the closed rod 42, the driving lever 421
The rear side in upper tissue pilot pin 12 is supported, when closed rod 42 drives the nail bin groupware 20 to be moved towards the direction of nail anvil 46,
The driving lever 421 drives the upper tissue pilot pin 12 that 444 direction of location hole is organized to move upward in first conduit 115
Until be inserted on this in tissue location hole 44, so as to by upper tissue pilot pin 12 will be sewn and cut tissue positioning so as to
In subsequent suture and cutting.Undertissue's pilot pin 47 is provided on the nail anvil stent 44, which can insert
Enter to 20 stent of nail bin groupware.Before undertissue's pilot pin 47 is fixed on jaw arm 441, in the longitudinally of nail anvil
On, the upper tissue pilot pin 12, undertissue's pilot pin 47 are located at the both sides of the suturing nail contact zone.
Electric control part is provided in the body of a gun 10, the electric control part and fast connector, signal transmission port and can be more
Change battery pack connection, the actions such as closure, opening and the percussion of electric control part control work first 4.The electric control part controls work
First 4 closure, opening and trigger method is the prior art, therefore is not described in detail herein, in the present embodiment, described
Electric control part includes sensing device 5, and the sensing device 5 forms identification switch with triggering application member 133.In a particular application,
The sensing device 5, triggering application member 133 can be common product in existing field, if sensing device 5 is reflection-type photoelectricity
Switch, the triggering application member 133 is to trigger the reflecting element of the reflection-type optoelectronic switch, alternatively, the sensing device
For Hall switch, the triggering application member is to trigger the magnet of the Hall switch.In the present embodiment, the sensing device
5 are arranged on lower jaw arm 443, and in order to make the more compact structure of the stapler, the sensing device 5 is embedded in lower jaw arm
In 443.The sliding slot 446 for going out to follow closely direction extension along suturing nail is offered in lower jaw arm 443, when the nail bin groupware 20 is installed
After in work first 4, the fixture block 135 and press block 117 are located in the sliding slot 446, and the fixture block 135, press block 117 can
In the sliding slot 446 along suturing nail go out to follow closely direction and direction is moved, the one side of the sliding slot 446 is provided with stop step
447.Go out along suturing nail and follow closely direction, the stop step 447 is located at the front side of the press block 117 to limit the press block
117 move forward.
Incorporated by reference to Fig. 1 and Fig. 4 to Fig. 6, the part working method of above-mentioned stapler is as follows：When needing to pacify nail bin groupware 20
When in work first 4, it can check whether see nail pushing plate 13 first by visual observation window 118, if can't see,
It may determine that the nail bin groupware 20 is not fired (for new staple cartridge component), the on the contrary then nail bin groupware 20 is fired (for old nail
Storehouse component), then it can no longer install and use.After nail bin groupware 20 is mounted in work first 4, is sensed by sensing device 5 and triggered
Application member 133 if sensing device 5 senses triggering application member 133, further confirms that the nail bin groupware 20 is not fired, this
When, electric control part, which is carried out to follow closely stapler and be closed and fire, to be prepared, if sensing device 5 is not sensed by triggering application member 133, electricity
Control part is closed., it is necessary to first remove the shield nail-plate 2 of nail bin groupware 20 after nail bin groupware 20 is mounted in work first 4.It removes
After protecting nail-plate 2, the work first 4 of surgical operating instrument is inserted into the tissue for needing to be sewn and cut, so that this is sewn and cuts
The tissue cut is located in U-shaped jaw chamber 445, and then electric control part starts closed routine, and control battery powered makes transmission component 45
Driving closed rod 42, the direction (direction and suturing nail go out to follow closely direction identical) of trigger shaft 43 towards nail anvil 46 are mobile, due to nail
Storehouse component 20 is fixed on closed rod 42, on trigger shaft 43, at this point, closed rod 42, trigger shaft 43 will promote nail bin groupware 20 together
Direction movement towards nail anvil 46 clamps the tissue for being sewn and cutting with nail anvil 46 until tissue is made to contact platform, at this point, supporting
Briquetting 117 is mutually supported with stop step 447, and the stop step 447 limitation press block 117 moves further along, nail bin groupware 20
It can not be moved again towards the direction of nail anvil 46, so that tissue contact platform and nail anvil 46 will not the clamped quilts of transition extruding
Suture and the tissue of cutting, when nail bin groupware 20 can not be moved towards the direction of nail anvil 46 again, closed rod 42 stops movement, automatically controlled
Part starts percussion program, and control trigger shaft 43 is still moved towards the direction of nail anvil 46, and trigger shaft 43 is promoted in nail bin groupware 20
Cutting assembly 14 continue direction movement towards nail anvil 46, cutting assembly 14 promotes nail pushing plate 13 to court during movement
The direction movement of nail anvil 46, at this point, nail pushing plate 13 is moved from first position towards the second position, triggering application member 133 is filled with sensing
5 dislocation are put, sensing device 5 will be unable to sense triggering application member 133, meanwhile, nail pushing plate 13 is gradually from visual observation window 118
Interior disappearance, the pushing slice of nail 131 of nail pushing plate 13 enter to suturing nail intracavitary gradually by the suturing nail of suturing nail intracavitary from suture nail cavity
Interior release, suturing nail are moved towards the direction of nail anvil 46, and suturing nail is squeezed into in the tissue for being sewn and cut and then realizing and stitch
It closes, when suturing completion, blade 142 cuts the tissue sutured.When completing suture and cutting, which is moved to the
On two positions, the positioning wedged block 137 on nail pushing plate 13 is entered in backplate card slot 1121 and fixed with realizing.It sutures and cuts when completing
After cutting, electric control part starts reset routine, and control trigger shaft 43 is first pulled back, and drive is fixed with it when trigger shaft 43 is pulled back is connected
Cutting assembly 14 drop back, after trigger shaft 43 is retracted as 42 same position of closed rod, trigger shaft 43 and closed rod 42 are simultaneously
It pulls back backward, closed rod 42 is withdrawn into home position after driving entire nail bin groupware 20.Nail bin groupware 20 is returned to origin-location
After upper, since the fixing of positioning wedged block 137 and backplate card slot 1121 coordinates, nail pushing plate 13 is maintained on the second position, so,
Sensing device 5 can not will still sense triggering application member 133, and nail pushing plate 13 is still not exposed to the visual observation window 118
It is interior.The nail bin groupware 20 and surgical operating instrument realize whether identification nail bin groupware 20 is fired by two ways：First, control
Identification nail bin groupware 20 (electronics fool proof can be referred to as) is realized in program：Nail bin groupware 20 and surgical operating instrument are by pushing away
Triggering application member 133 on nail-plate 13 is set, and is provided with to be formed with the triggering application member 133 on the body of a gun 10 coordinated with it and know
The sensing device 5 not switched, so as to sense the position of triggering application member 133 by sensing device 5 to identify the nail bin groupware 20
Whether fired；2nd, identification nail bin groupware 20 is realized in the conversion for observing by the naked eye mechanical structure：The nail bin groupware 20 and outer
Section's surgical instrument on warehouse 11 by opening up to show the visual observation window 118 of 13 position of nail pushing plate, by the way that judge should
Whether nail pushing plate 13 is exposed to judge whether the nail pushing plate 13 is fired by visual observation window 118.Due to the nail bin groupware 20
And surgical operating instrument can identify nail bin groupware by controlling program, observing by the naked eye mechanical mechanism to form multiple form
20, the precision of the identification of nail bin groupware 20 is improved, realizes double insurance, is avoided medical unexpected.
Herein it should be noted that：When closed rod 42 promotes nail bin groupware 20 to be moved towards the direction of nail anvil 46, it is closed
Driving lever 421 on bar 42 promotes upper tissue pilot pin 12 towards the direction movement of nail anvil 46 until tissue pilot pin 12 is inserted on this simultaneously
Enter in supreme tissue location hole 444, and during nail bin groupware 20 is moved towards nail anvil 46, undertissue's pilot pin 47 is passive to insert
Enter to warehouse 11, so as to by U-shaped jaw chamber 445 be sewn and cut be organized on upper-lower position and position, under
Organize pilot pin 47 and upper tissue location hole 444, realize the positioning of tissue for being sewn and cut, suture in order to subsequent and
Cutting.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that come for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of surgical operating instrument, to suture and cut tissue, the surgical operating instrument includes the body of a gun and is arranged on institute
The nail bin groupware on the body of a gun is stated, the body of a gun includes closed rod, trigger shaft, nail anvil stent and nail anvil, and the nail bin groupware is with hitting
Bar, closed rod connection are sent out, the nail bin groupware includes warehouse, mounted on the in vivo suturing nail in the storehouse and to by the seam
Nail pushing plate that dowel is released out of described warehouse and can relatively described warehouse movement cutting assembly, the cutting assembly pushes institute
Stating nail pushing plate causes the suturing nail to be removed out of warehouse, which is characterized in that the trigger shaft, which has, pushes the cutting assembly
Front end face, the front end face be arc or taper.
2. surgical operating instrument as described in claim 1, which is characterized in that installation cavity, institute are formed in the cutting assembly
It states trigger shaft to be inserted into installation cavity, the installation cavity has the second wall, and escape groove, the percussion are offered on second wall
Bar has the inserted terminal being inserted in the installation cavity and is extended rearwardly to form from the inserted terminal and pass through the escape groove
Lengthwise portion is provided with convex block on the inserted terminal, and second wall is in the convex block of limitation in the reverse direction for going out nail of suturing nail
Depart from the installation cavity.
3. surgical operating instrument as claimed in claim 2, which is characterized in that on the installation direction of the nail bin groupware, institute
The one side for stating installation cavity is provided with the interface being inserted into for the insertion end in installation cavity.
4. surgical operating instrument as claimed in claim 2, which is characterized in that the installation cavity has roof, in the nail bin
On the installation direction of component, the roof is located at the top of the installation cavity, and the roof and the second wall enclose to set and be formed with hook
Slot is formed with the fastening block part being inserted in the hook slot on the inserted terminal.
5. surgical operating instrument as described in claim 1, which is characterized in that the nail anvil stent is included in before cantilever position
Jaw arm, the nail anvil are fixed on the preceding jaw arm, and there is the nail anvil suturing nail contacted with the suturing nail to contact
Area, the preceding jaw arm are provided with the first locating piece and the second locating piece between contacting platform with tissue；When the surgical operation
Instrument is closed, and first locating piece, the second locating piece are clamped in the preceding jaw arm and are contacted with the tissue of nail bin groupware respectively
Between platform；In in the short transverse of the nail anvil, first locating piece, the second locating piece are located at the suturing nail contact zone
Both sides；The nail anvil, suturing nail contact zone, the first locating piece, the second locating piece, which enclose, to be set to form a parallelogram lever.
6. surgical operating instrument as claimed in claim 5, which is characterized in that being provided on the nail bin groupware can be relatively described
Nail bin groupware goes out to follow closely direction along the suturing nail and moves and can go out the upper tissue pilot pin being inserted into the nail anvil, the nail
The undertissue's pilot pin being inserted into the nail bin groupware is provided on anvil stent, on the longitudinally of nail anvil, it is described on
Tissue pilot pin, undertissue's pilot pin are located at the both sides of the suturing nail contact zone.
7. surgical operating instrument as claimed in claim 5, which is characterized in that the nail anvil, suturing nail contact zone, the first positioning
Block, the second locating piece, which enclose, sets the frame to be formed as rectangle.
8. surgical operating instrument as claimed in claim 5, which is characterized in that the thickness of first locating piece and the second positioning
The thickness of block is equal.
9. surgical operating instrument as claimed in claim 5, which is characterized in that first locating piece is arranged at the nail bin group
On part, second locating piece is arranged on the nail anvil or nail anvil stent.
10. surgical operating instrument as claimed in claim 9, which is characterized in that the nail anvil stent further include rear jaw arm and
Lower jaw arm, the preceding jaw arm, rear jaw arm and lower jaw upper-arm circumference set to form the U-shaped jaw chamber, in the lower jaw arm
The sliding slot for going out to follow closely direction extension along the suturing nail is offered, second locating piece is arranged in the sliding slot and described
It is slid in sliding slot, the first spring, glide direction of first spring along second locating piece is additionally provided in the sliding slot
Compression or expansion；The thrust revocation being applied to when the nail bin groupware on second locating piece, first spring promote institute
The second locating piece is stated away from the nail anvil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711398171.4A CN108113723B (en) | 2017-12-21 | 2017-12-21 | Surgical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711398171.4A CN108113723B (en) | 2017-12-21 | 2017-12-21 | Surgical instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108113723A true CN108113723A (en) | 2018-06-05 |
| CN108113723B CN108113723B (en) | 2024-02-13 |
Family
ID=62231178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711398171.4A Active CN108113723B (en) | 2017-12-21 | 2017-12-21 | Surgical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108113723B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111466975A (en) * | 2019-01-24 | 2020-07-31 | 苏州英途康医疗科技有限公司 | Surgical instrument and linear stapler |
| CN112006738A (en) * | 2019-05-29 | 2020-12-01 | 苏州英途康医疗科技有限公司 | End effector and linear stapler |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202619745U (en) * | 2012-05-04 | 2012-12-26 | 北京中法派尔特医疗设备有限公司 | Suture instrument and jaw assembly thereof |
| CN203815519U (en) * | 2014-04-04 | 2014-09-10 | 苏州天臣国际医疗科技有限公司 | Staple cartridge assembly and stapler provided with same |
| CN204562260U (en) * | 2014-12-30 | 2015-08-19 | 苏州天臣国际医疗科技有限公司 | Medical stapler |
| CN209347112U (en) * | 2017-12-21 | 2019-09-06 | 苏州英途康医疗科技有限公司 | Surgical operating instrument |
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2017
- 2017-12-21 CN CN201711398171.4A patent/CN108113723B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202619745U (en) * | 2012-05-04 | 2012-12-26 | 北京中法派尔特医疗设备有限公司 | Suture instrument and jaw assembly thereof |
| CN203815519U (en) * | 2014-04-04 | 2014-09-10 | 苏州天臣国际医疗科技有限公司 | Staple cartridge assembly and stapler provided with same |
| CN204562260U (en) * | 2014-12-30 | 2015-08-19 | 苏州天臣国际医疗科技有限公司 | Medical stapler |
| CN209347112U (en) * | 2017-12-21 | 2019-09-06 | 苏州英途康医疗科技有限公司 | Surgical operating instrument |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111466975A (en) * | 2019-01-24 | 2020-07-31 | 苏州英途康医疗科技有限公司 | Surgical instrument and linear stapler |
| CN112006738A (en) * | 2019-05-29 | 2020-12-01 | 苏州英途康医疗科技有限公司 | End effector and linear stapler |
| CN112006738B (en) * | 2019-05-29 | 2024-03-22 | 苏州英途康医疗科技有限公司 | End effector and linear stapler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108113723B (en) | 2024-02-13 |
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