CN108420479A - A kind of tissue stitching clamp for endoscope-assistant surgery - Google Patents
A kind of tissue stitching clamp for endoscope-assistant surgery Download PDFInfo
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- CN108420479A CN108420479A CN201810313894.8A CN201810313894A CN108420479A CN 108420479 A CN108420479 A CN 108420479A CN 201810313894 A CN201810313894 A CN 201810313894A CN 108420479 A CN108420479 A CN 108420479A
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- pincers
- block
- traction rope
- valve
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- 238000001356 surgical procedure Methods 0.000 title claims abstract description 17
- 210000000080 chela (arthropods) Anatomy 0.000 claims abstract description 93
- 238000009958 sewing Methods 0.000 claims abstract description 62
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009730 filament winding Methods 0.000 description 1
- 238000002357 laparoscopic surgery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 238000009941 weaving Methods 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
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0482—Needle or suture guides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0483—Hand-held instruments for holding sutures
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0487—Suture clamps, clips or locks, e.g. for replacing suture knots; Instruments for applying or removing suture clamps, clips or locks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0491—Sewing machines for surgery
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- 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)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of tissue stitching clamps for endoscope-assistant surgery, including handle mechanism, connecting leg, drive link, traction rope and binding clip.Handle mechanism includes handle support, fixed handle, the first flexible handle and the second flexible handle.Connecting leg is mounted on handle support.Drive link passes through what both ends after connecting leg were separately connected the first flexible handle and binding clip to open open/close mechanism.It is equipped with sewing needle grasping mechanism in two pincers valves of binding clip.Both ends are separately connected the second flexible handle and sewing needle grasping mechanism after traction rope passes through connecting leg.Two pincers valves of binding clip are respectively backshank pincers valve and needle nose pliers valve.After traction rope tenses, the sewing needle grasping mechanism of needle nose pliers valve grasps sewing needle, and the sewing needle grasping mechanism of backshank pincers valve loosens；After traction rope loosens, the sewing needle grasping mechanism that backshank clamps valve grasps sewing needle, and the sewing needle grasping mechanism of needle nose pliers valve loosens.
Description
Technical field
The present invention relates to the instruments of operation.
Background technology
When carrying out tissue suture in thoracoscopic operation or laparoscopic surgery, doctor generally clamps suture needle-penetration by clamp
Tissue drives suture to carry out tissue suture back and forth.The requirement that this modus operandi operates doctor is very high.Doctor firstly the need of
The backshank of sewing needle is clamped with pliers, and the syringe needle of sewing needle is then stabbed into tissue.After the syringe needle of sewing needle pierces through tissue, doctor
Raw pliers needs to decontrol the backshank of sewing needle, and the other side for then arriving tissue is clamped the syringe needle of sewing needle with pliers, will be sutured
Needle pull-out passes a suture through tissue.In common operation, such step is not complicated, but on being carried out under endoscope-assistant surgery
Stating operation will become extremely complex.Relatively soft but in the case that surface is hard especially for organizing, sewing needle stabs tissue
When, tissue is stepped down, and causes to be difficult to be pierced into tissue.Often a simple operation stitching needs 2 to 3 hours as a result,.
Invention content
Problem to be solved by this invention is very high to the operation requirement of doctor when carrying out tissue suture in endoscope-assistant surgery.
To solve the above problems, the scheme that the present invention uses is as follows：
A kind of tissue stitching clamp for endoscope-assistant surgery, including handle mechanism, connecting leg, drive link, traction rope and binding clip；The hand
Handle mechanism is mounted on the rear end of connecting leg；Binding clip is mounted on the front end of connecting leg；Connecting leg is hollow, is equipped with axial tube chamber；Drive link and
Traction rope passes through the tube chamber in connecting leg, and front-end and back-end are connected with binding clip and the handle mechanism respectively；The handle mechanism packet
Include handle support, fixed handle, the first flexible handle and the second flexible handle；The top of handle support is mutually fixed with connecting leg；Gu
Determine the lower section that handle is set to handle support；First flexible handle is mounted on the rear of handle support by first rotating shaft, and is located at
The rear of fixed handle；First flexible handle is equipped with interconnecting piece, and is movably connected by interconnecting piece and drive link so that first
When flexible handle is rotated around first rotating shaft, drive drive link front and back to movement；Second flexible handle is installed by the second shaft
On handle support, and positioned at the front of fixed handle；Second flexible handle is bound with traction rope so that the second flexible handle encloses
Traction rope can be pulled when being rotated around the second shaft；Binding clip includes two pincers valves；Two pincers valves are respectively needle nose pliers valve and backshank
Clamp valve；The pincers valve includes driving portion and binding clip portion；Driving portion is equipped with axis hole, and the front end of connecting leg is mounted on by axis hole, makes
The axis rotation of axis hole can be surrounded by obtaining the pincers valve；Driving portion connects drive link by transmission mechanism；The transmission mechanism makes
Proper drive link is along the axis rotation for driving two pincers valves to surround axis hole when being moved forward and backward, to make binding clip portion open or be closed；
Binding clip portion includes a binding clip box with pincers panel；When binding clip portion is closed, the pincers panel of two pincers valves is bonded to each other；Pincers face
Plate is equipped with pin hole；Pin hole on the pincers panel of two pincers valves is oppositely arranged；It is equipped in the binding clip box to needle block, spring cunning
Block and pressing block；It is equipped with pressing slideway to needle block；Pin hole is connected to the bottom of pressing slideway；Spring block is connected with coiling machine
Structure, and mutually bound with traction rope；The spring mechanism gives the force direction of spring block and traction rope pulls spring block
Direction it is opposite；Spring block connects pressing block；Pressing block is located in pressing slideway, and can press to the bottom of pressing slideway；
When pressing block presses to the bottom of pressing slideway, the sewing needle placed in pin hole can be pushed down, to grasp sewing needle；Institute
It states in backshank pincers valve, pressing block presses to the bottom of pressing slideway by the active force of the spring mechanism；In the needle nose pliers valve
In, pressing block presses to the bottom of pressing slideway by the tractive force of traction rope.
Further, the transmission mechanism includes the sliding bar set on the oblique slot of driving portion and set on drive link front end；It passes
Two sliding bars of lever front end are stuck in two oblique slots of two pincers valve driving portions；Sliding bar can in oblique slot along
Oblique slot slides；The sagittal movement of drive link is by the interaction of sliding bar and oblique slot, and driving pincers valve is around axis hole
Axis rotation.
Further, driving portion includes driving plate；Driving plate and pincers panel are perpendicular；Driving plate is divided into four regions, respectively
For：Screens area, first passage area, second channel area and skewed slot area；Wherein, the thickness in screens area is thicker, inwardly projecting；First is logical
Road area and second channel area are located at the both sides in screens area；Skewed slot area is located at the rear side in screens area；Axis hole is located at screens area；Tiltedly
It is located at skewed slot area to slot；The screens area of two pincers valve driving portions is oppositely arranged so that is formed and is passed between the skewed slot area of two pincers valves
Dynamic chamber, and the first passage area of a pincers valve is made to clamp the second channel district's groups of valve into traction rope channel with another；Drive link
Front end be located in the drive cavity；Traction rope passes through traction rope channel and drive cavity.
Further, first passage area is set there are two directive wheel；Traction rope groove is provided on the wheel face of the directive wheel；Two
A directive wheel is respectively：First directive wheel and the second directive wheel；Traction rope is across the first directive wheel and the second directive wheel.
Further, second channel area is equipped with the first race to match with the first directive wheel and the second directive wheel and the second wheel
Slot so that first directive wheel for clamping valve and the second directive wheel can be respectively along the first races and second of another pincers valve
Race slides.
Further, the binding clip box includes front end-plate, cover board and two pieces of side panels；Pincers panel, front end-plate, cover board and two pieces
Side panel forms the binding clip chamber of open rearward end；It is located at binding clip intracavitary to needle block, spring block and pressing block；It is mounted on pincers to needle block
On panel, and between spring block and front end-plate；In backshank clamps valve, pressing slideway is open to spring block, pressing block
Mounted on the front end of spring block；In needle nose pliers valve, end plate is open pressing slideway forward, and pressing block is mounted on linkage board；
Linkage board is located at front end-plate and between needle block；Spring block is connected by two interlocking bar to needle block both sides with linkage board.
Further, the spring mechanism is two set on the drawing spring supported in the spring groove of needle block both sides；Pull spring
One end connects front end-plate, other end connecting spring sliding block.
Further, needle block is supported to be equipped with to needle plate, when sewing needle penetrates the bottom of pressing slideway by pin hole, sewing needle
It can withstand on on needle plate；The front end of pressing block is equipped with pressing cushion.
Further, handle cavity and pull chamber are equipped in handle support；Second flexible handle is connected with returning spring；Reply bullet
Part that spring, the second flexible handle and traction rope are mutually bound and the second flexible handle and the mutually fixed part of the second shaft are located at
In handle cavity；Traction rope penetrates handle cavity after the lateral openings of connecting leg pass through pull chamber.
Further, seal groove is equipped in pull chamber；Sealing-plug is equipped in seal groove；Traction rope passes through the sealing in seal groove
Plug.
The technique effect of the present invention is as follows：
1, using the tissue stitching clamp of the present invention, doctor carries out becoming very simple when hysteroscope suture operation, and when suture, doctor is only
It needs to press from both sides and then pulls open with just completing suture through tissue operation.
2, needle nose pliers valve potentially acts as cushion, and in the case that tissue is relatively soft but surface is hard, needle nose pliers valve can avoid
Tissue is stepped down, to solve the problems, such as that tissue is difficult to puncture.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the structural schematic diagram of handle mechanism part.
Fig. 3 is the structural schematic diagram for clamping valve driving portion and drive link coupling part.
Fig. 4 and Fig. 5 is the lateral structure schematic diagram of backshank pincers valve, and wherein Fig. 4 is the closed state of backshank pincers valve, and Fig. 5 is
Backshank clamps the open configuration of valve.
Fig. 6 is the structural schematic diagram backwards of backshank pincers valve.
Fig. 7 is the structural schematic diagram backwards of needle nose pliers valve.
Fig. 8 is the gliding movement targeting structure schematic diagram of spring block.
Fig. 9 is the schematic cross-sectional view of connecting leg.
Figure 10 is the structural schematic diagram of traction rope link block.
Specific implementation mode
The present invention is described in further details below.
As shown in Figure 1 and Figure 2, a kind of tissue stitching clamp for endoscope-assistant surgery, including handle mechanism, connecting leg 31, drive link
32, traction rope 33 and binding clip 9.Handle mechanism is mounted on the rear end of connecting leg 31, including handle support 11, fixed handle 12, first
Flexible handle 13 and the second flexible handle 21.Binding clip 9 is mounted on the front end of connecting leg 31, including two pincers valves.Connecting leg 31 is hollow, if
There is axial tube chamber.Drive link 32 and traction rope 33 pass through the tube chamber in connecting leg 31, front end to be connected with binding clip 9, rear end and handle
Mechanism is connected.Specifically, driving mechanism, rear end connection first are closed in the opening and closing of 32 front end of drive link connection binding clip, 9 two pincers valves
Flexible handle 13, the as a result, opening and closing of the first flexible handle 13 can control the opening and closing of 9 two pincers valves of binding clip.
33 front end of traction rope connects the sewing needle clamping device of 9 two pincers valves of binding clip, and rear end connects the second flexible handle 21.Thus second
The opening and closing of flexible handle 21 can control the clamping and release of the sewing needle of 9 two pincers valves of binding clip.In the present embodiment, even
Pipe 31, as shown in figure 9, including two tube chambers：Drive link tube chamber 311 and traction rope tube chamber 312.311 cross section of drive link tube chamber
It is rectangle, 312 circular in cross-section of traction rope tube chamber.Drive link 32 passes through drive link tube chamber 311.Traction rope 33 passes through traction
Rope tube chamber 312.In the present embodiment, traction rope 33 is the metallic cable being entwined by more soft alloy silks, has enough objects
Manage intensity.
The top of handle support 11 is fixed with 31 phase of connecting leg.In the present embodiment, connecting leg 31 is mounted on hand by snap device
On handle bracket 11.Fixed handle 12 is set to the lower section of handle support 11.First flexible handle 13 is mounted on by first rotating shaft 15
The rear of handle support 11, and positioned at the rear of fixed handle 12.First flexible handle 13 is equipped with interconnecting piece 14.Interconnecting piece 14
Positioned at the rear of connecting leg 31.Interconnecting piece 14 is movably connected with drive link 32 so that the first flexible handle 13 surrounds first rotating shaft 15
When rotation, drive drive link 32 front and back to movement.Spring-return machine is installed between fixed handle 12 and the first flexible handle 13
Structure.The spring leaf 16 that the spring-return mechanism is separately mounted to fixed handle 12 and the first flexible handle 13 by two panels is formed.
One end of two panels spring leaf 16 is separately fixed at the inside of fixed handle 12 and the first flexible handle 13, and the other end is movably connected.
Two panels spring leaf 16 mutually struts fixed handle 12 and the first flexible handle 13 under the action of own resilient as a result, at this point,
Interconnecting piece 14 pushes 32 forward movement of drive link, and binding clip 9 is driven to open.When fixed handle 12 and the first flexible handle 13 are harmonious
When, interconnecting piece 14 pulls back drive link 32, and binding clip 9 is driven to be closed.When binding clip 9 opens, two pincers valves of binding clip 9 are in scissors angle
It opens；When binding clip 9 is closed, two pincers valves of binding clip 9 are bonded to each other.
Second flexible handle 21 is mounted on by the second shaft 22 on handle support 11, and before fixed handle 12
Side.Second flexible handle 21 is bound with traction rope 33 so that the second flexible handle 21 can be drawn when being rotated around the second shaft 22
Dynamic traction rope 33.Specifically, in the present embodiment, handle support 11 is made of bracket main body and bracket side cover.Such as Fig. 2 institutes
Show, bracket main body is equipped with handle cavity 24 and pull chamber 25.Bracket side cover is mounted on the side of bracket main body, for handle cavity
24 and pull chamber 25 seal.Second shaft 22 is located at the top of handle cavity 24.The top of second flexible handle 21 and the second shaft
22 phases are fixed, and bottom end is then stretched out except handle cavity 24 so that the axle center that the second flexible handle 21 can surround the second shaft 22 turns
Dynamic or swing.Returning spring 23 is equipped in handle cavity 24.23 one end of returning spring connects handle support 11, other end connection second
Flexible handle 21.Returning spring 23 pulls the second flexible handle 21 to swing forward.Handle cavity 24 is connected with pull chamber 25.Connecting leg
31 rear ends side are open equipped with traction rope.Traction rope opening is connected with traction rope tube chamber 312 above-mentioned.Connecting leg 31 passes through buckle
When mechanism is mounted on handle support 11, traction rope opening faces pull chamber 25 so that traction rope 33 passes through traction rope tube chamber
After 312, enters pull chamber 25 from traction rope opening, enter handle cavity 24 and 21 phase of the second flexible handle using pull chamber 25
Even.The connection type of traction rope 33 and the second flexible handle 21 uses binding mode.In the present embodiment, the second flexible handle 21 is
String configuration, centre are equipped with several rope grooves 211.When traction rope 33 is bundled on the second flexible handle 21, traction rope 33
It is stuck in rope groove 211.That traction rope 33 is adjusted on different rope grooves 211 is bundled in by traction rope 33 as a result,
Tightness.From the foregoing, it can be seen that part that returning spring 23, the second flexible handle 21 and traction rope 33 are mutually bound and the second movable hand
Handle 21 is located at 22 mutually fixed part of the second shaft in handle cavity 24.
It is carried out in addition, it is contemplated that thoracoscopic operation usually requires the filling CO 2 in thoracic cavity, it is therefore desirable to seal.For
This, is equipped with seal groove 26 in the pull chamber 25 of the present embodiment.Sealing-plug is equipped in seal groove 26.Traction rope 33 passes through seal groove 26
Interior sealing-plug.
Two pincers valves of binding clip 9 are respectively needle nose pliers valve and backshank pincers valve.Needle nose pliers valve and backshank pincers valve all have suture
Needle clamping device.The sewing needle clamping device of backshank pincers valve is for being clamped sewing needle needle tail part.The sewing needle of needle nose pliers valve presss from both sides
Mechanism is held for sewing needle needle portion to be clamped.The sewing needle gripper mechanism grips sewing needle syringe needle of needle nose pliers valve and backshank pincers valve
Operation with backshank is realized by the operation of aforementioned second flexible handle 21.Second flexible handle 21 is connected simultaneously by traction rope 33
Connect the sewing needle clamping device of needle nose pliers valve and backshank pincers valve.When the second flexible handle 21 pulls traction rope 33, needle nose pliers valve
Sewing needle gripper mechanism grips sewing needle syringe needle, backshank pincers valve sewing needle clamping device loosen the folder to sewing needle backshank
It holds；When the second flexible handle 21 loosens traction rope 33, the sewing needle clamping device of needle nose pliers valve loosens to sewing needle syringe needle
Clamping, backshank clamp the sewing needle gripper mechanism grips sewing needle backshank of valve.Thus the first flexible handle 13 is combined to open binding clip 9
And closed procedure, sewing needle toggle between capable of clamping valve at two.
Valve is clamped, as shown in Figure 3, Figure 4, Figure 5, Figure 6, Figure 7, including driving portion 94 and binding clip portion 95.Driving portion 94 is equipped with axis
Hole 421, and by axis hole 421 mounted on the front end of connecting leg 31 so that pincers valve can surround the axis rotation of axis hole 421.Driving
Portion 94 connects drive link 32 by transmission mechanism.Transmission mechanism so that two pincers valves is driven to enclose when drive link 32 is along back-and-forth motion
Around the axis rotation of axis hole 421, to make binding clip portion 95 open or be closed.The opening and closing in binding clip portion 95 i.e. binding clip 9
Opening and closing.Binding clip portion 95 includes a binding clip box with pincers panel 511.When binding clip portion 95 is closed, two pincers valves
Pincers panel 511 be bonded to each other.It clamps panel 511 and is equipped with pin hole 52.Pin hole 52 on the pincers panel 511 of two pincers valves is set relatively
It sets.Binding clip box is equipped with binding clip chamber.Binding clip chamber is connected to pin hole 52, and is equipped with sewing needle clamping device.Sewing needle clamping device is used for
Clamping penetrates the sewing needle 99 of binding clip chamber by pin hole 52.When sewing needle gripper mechanism grips sewing needle 99, sewing needle 99 and pincers
The holding of panel 511 is mutually perpendicular to.
Driving portion 94 is realized by driving plate 41.Driving plate 41 is plate body, perpendicular with pincers panel 511.Driving plate 41 is divided
At four regions, respectively：Screens area 42, first passage area 43, second channel area 44 and skewed slot area 45.Wherein, screens area 42
Thickness it is thicker, it is inwardly projecting.First passage area 43 and second channel area 44 are located at the both sides in screens area 42.Skewed slot area 45
Rear side positioned at screens area 42.Axis hole 421 is located at screens area 42.Skewed slot area 45 is equipped with oblique slot 451.In the present embodiment, connecting leg
31 front end offers U-shaped groove 313 along central axial.The both sides of U-shaped groove 313 are two blocks of opposite installation wing plates 314.
Driving plate 41 is mounted on the U-shaped groove between two blocks of installation wing plates 314 by the axis hole 421 in screens area 42 and binding clip axis 483
In 313 so that two pincers valves are able to the axis rotation around axis hole 421.The driving plate 41 of two pincers valves is relatively arranged on U
In connected in star 313 so that the screens area 42 of two pieces of driving plates 41 is bonded to each other.Since screens area 42 is inwardly projecting so that two
Clamp and form drive cavity 481 between the skewed slot area 45 of valve, and make pincers valve first passage area 43 and another pincers valve the
Two channel regions 44 form traction rope channel 482, as shown in Figure 3.The front end of drive link 32 is located in drive cavity 481.Traction rope 33
Enter the binding clip intracavitary of binding clip box, the sewing needle clamping machine in connection clamp head cavity after drive cavity 481 and traction rope channel 482
Structure.It should be evident that there are two traction rope channels 482, two traction ropes of two pincers valve sewing needle clamping devices are corresponded to respectively.
In the present embodiment, sliding bar 34 of the transmission mechanism by oblique slot 451 and set on 32 front end of drive link is formed.Transmission
32 front end of bar is in flat-shaped, and both sides are respectively equipped with two sliding bars 34.Two sliding bars 34 of 32 front end both sides of drive link block respectively
In two oblique slots 451.Sliding bar 34 can slide in oblique slot 451 along oblique slot 451.Drive link 32 is sagittal
The mobile interaction by sliding bar 34 and oblique slot 451, driving pincers valve surrounds the axis rotation of axis hole 421, such as Fig. 4, Fig. 5
It is shown.The rotation direction of two pincers valves is opposite.
In addition, it is contemplated that when clamping valve opening and closing for two, the screens area 42 of two pincers valves cannot be completely opposite, at this point, traction
When rope 33 passes through traction rope channel, be easy to be stuck in pincers valve second channel area 44 and another pincers valve screens area 42 it
Between.For this purpose, in the present embodiment, set that there are two directive wheels in first passage area 43, respectively：First directive wheel 431 and second
Directive wheel 432.The first race 441 and the second race 442 are provided in second channel area 44.First race 441 and the second race
442 correspond to the first directive wheel 431 and the second directive wheel 432 respectively.Valve is clamped when two to open or close around 421 axis rotation of shaft
When conjunction, first directive wheel 431 for clamping valve and the second directive wheel 432 can be respectively along the first races of another pincers valve
441 and second race 442 slide.Traction rope groove is both provided on the wheel face of two directive wheels.Traction rope 33 is led across first
To between wheel 431 and the second directive wheel 432.When traction rope 33 is across the first directive wheel 431 and the second directive wheel 432, lead
Messenger 33 can be stuck in the traction rope groove of directive wheel.As a result, when clamping valve rotation, traction rope 33 is in the first directive wheel 431
Under the guiding of the second directive wheel 432, traction rope 33 can be avoided by the dislocation shape between second channel area 44 and screens area 42
State and transmission mechanism block.
Binding clip box is made of pincers panel 511, front end-plate 512, cover board 514 and two pieces of side panels 513.Clamp panel 511, front end
Plate 512, cover board 514 and two pieces of side panels 513 form the binding clip chamber of open rearward end.Front end-plate 512 is located at the front end of binding clip box.Pincers
Traction rope channel 482 on the open communication driving portion 94 of head cavity rear end.Binding clip intracavitary is equipped with to needle block 53, spring block 54
With pressing block 58.It is mounted on pincers panel 511 to needle block 53, and between spring block 54 and front end-plate 512.To needle block 53
It is equipped with pressing slideway 531.Pin hole 52 is connected to the bottom of pressing slideway 531.
Spring block 54 is mounted on binding clip intracavitary by sliding guide mechanism, and positioned at the rear to needle block 53.Sliding is led
To mechanism, as shown in figure 8, including two pieces of snap-gauges 55 and being oriented to draw runner 551.55 L-shaped structure of snap-gauge tips upside down on pincers panel 511
On.Two pieces of snap-gauges 55 are oppositely arranged.The both sides of spring block 54 are respectively equipped with step groove 544.It is oriented to draw runner 551 and is mounted on pincers face
511 center of plate, it is front and back to layout.Two pieces of snap-gauges 55 are stuck on two step grooves 544.The central bottom of spring block 54 is set
Have and is oriented to slide opening 545.It is oriented to draw runner 551 to be stuck in guiding slide opening 545 so that spring block 54 can be along guiding draw runner 551
It is front and back to sliding.
The rear end of spring block 54 is bound with 33 phase of traction rope, and is connected with spring mechanism.Spring mechanism gives spring cunning
The force direction of block 54 is opposite with the drawing direction of spring block 54 of traction rope 33.In the present embodiment, traction rope 33 pulls bullet
The direction of spring sliding block 54 be backward, and spring mechanism give spring block 54 force direction be forward.In the present embodiment, bullet
Spring mechanism is two and is set to the drawing spring 562 to 53 both sides of needle block.It is respectively equipped with two sagittal bullets to 53 both sides of needle block
Spring slot 561.Spring 562 is pulled to be located in drawing spring 562.The one end for pulling spring 562 connects front end-plate 512, and the other end connects
Connect spring block 54.The convergent force of drawing spring 562 is pulled along spring block 54.
Spring block 54 connects pressing block 58.Pressing block 58 is located in pressing slideway 531, and can press to pressing slideway
531 bottom.When pressing block 58 presses to the bottom of pressing slideway 531, the sewing needle placed in pin hole 52 can be pushed down, from
And grasp sewing needle.Enough grasping forces are provided for pressing block 58, the front end of pressing block 58 is equipped with pressing cushion 581.In backshank
It clamps in valve, pressing block 58 presses to the bottom of pressing slideway 531 by the active force of spring mechanism, as a result, when loosening pulling rope 33
When, pressing block 58 can grasp sewing needle under the action of spring mechanism.In needle nose pliers valve, pressing block 58 passes through traction rope 33
Tractive force press to the bottom of pressing slideway 531, thus when tensing pulling rope 33, pressing block 58 can be in the work of spring mechanism
With lower grasping sewing needle.
To achieve the above object, in the backshank pincers valve of the present embodiment, pressing slideway 531 is open to spring block 54.Pressing
Block 58 is mounted on the front end of spring block 54.Pressing block 58 can be under the driving of spring block 54 before pressing slideway 531
It is backward mobile.As a result, when pulling rope 33 loosens, when spring mechanism is pulled along spring block 54, drive pressing block 58 to Forward
It is dynamic, the bottom of pressing slideway 531 is pressed to, to grasp sewing needle；When pulling rope 33 pulls spring block 54, pressing block is driven
58 are moved rearwardly away from the bottom of pressing slideway 531, to loosen the grasping of sewing needle.
In the needle nose pliers valve of the present embodiment, end plate 512 is open pressing slideway 531 forward, and pressing block 58 is mounted on linkage board
On 582.Linkage board 582 is located at front end-plate 512 and supports between needle block 53, and positioned at the front to needle block 53.Spring block 54
It is connected with linkage board 582 by two interlocking bar 583 to 53 both sides of needle block.When pulling rope 33 loosens, spring mechanism is drawn forward
When dynamic spring block 54, pressing block 58 is driven to be moved forward away from the bottom of pressing slideway 531, to loosen grabbing for sewing needle
It holds；When pulling rope 33 pulls spring block 54, drives pressing block 58 to move backward, press to the bottom of pressing slideway 531, to
Grasp sewing needle.
In addition, to avoid sewing needle backshank from being inserted into, pin hole 52 is too deep, and backshank clamps being equipped with to needle block 53 for valve and supports needle plate
532, as a result, when sewing needle penetrates the bottom of pressing slideway 531 by pin hole 52, sewing needle can be withstood on on needle plate 532.
In addition, two pincers valve sewing needle clamping devices are driven by two traction ropes respectively, and the second flexible handle 21 connects
Be single traction rope, such situation can be realized by the braiding of traction rope.The traction rope of the present embodiment is by filament
Winding weaves, thus, it is possible to which the traction rope that two pincers valve sewing needle clamping devices are connected is connected by weaving manner
It forms single traction rope afterwards together and enters traction rope tube chamber 312, reconnect the second flexible handle 21.The present embodiment uses traction rope
Link block is realized.As shown in Figure 10, the bottom of the front end U-shaped groove 313 of connecting leg 31 is equipped with connecting cavity 315 in an axial direction.Connecting cavity
315 front end is open to U-shaped groove 313.The front end connection traction rope tube chamber 312 of connecting cavity 315.Traction rope link block 334 is set
In in connecting cavity 315, and can be front and back to sliding along connecting cavity 315.The front end connection backshank of traction rope link block 334 clamps valve
Traction rope 331 and needle nose pliers valve traction rope 332.Tail clamps the interconnecting piece and needle between valve traction rope 331 and traction rope link block 334
Interconnecting piece between head pincers valve traction rope 332 and traction rope link block 334 apart has certain distance.Tail clamps 331 He of valve traction rope
Needle nose pliers valve traction rope 332 is separately connected the sewing needle clamping device of two pincers valves.The rear end of traction rope link block 334 connects hand
Handle valve traction rope 333.Handle valve traction rope 333 connects the second flexible handle 21 after passing through traction rope tube chamber 312.
Claims (10)
1. a kind of tissue stitching clamp for endoscope-assistant surgery, which is characterized in that including handle mechanism, connecting leg (31), drive link
(32), traction rope (33) and binding clip (9)；The handle mechanism is mounted on the rear end of connecting leg (31)；Binding clip (9) is mounted on connecting leg
(31) front end；Connecting leg (31) is hollow, is equipped with axial tube chamber；Drive link (32) and traction rope (33) pass through in connecting leg (31)
Tube chamber, front-end and back-end are connected with binding clip (9) and the handle mechanism respectively；The handle mechanism include handle support (11),
Fixed handle (12), the first flexible handle (13) and the second flexible handle (21)；The top of handle support (11) and connecting leg (31)
It is mutually fixed；Fixed handle (12) is set to the lower section of handle support (11)；First flexible handle (13) is pacified by first rotating shaft (15)
Rear mounted in handle support (11), and positioned at the rear of fixed handle (12)；First flexible handle (13) is equipped with interconnecting piece
(14), it and by interconnecting piece (14) and drive link (32) is movably connected so that the first flexible handle (13) surrounds first rotating shaft
(15) when rotating, drive drive link (32) front and back to movement；Second flexible handle (21) is mounted on hand by the second shaft (22)
On handle bracket (11), and positioned at the front of fixed handle (12)；Second flexible handle (21) is bound with traction rope (33) so that the
Two flexible handles (21) can pull traction rope (33) when being rotated around the second shaft (22)；Binding clip (9) includes two pincers valves；Two
A pincers valve is respectively needle nose pliers valve and backshank pincers valve；The pincers valve includes driving portion (94) and binding clip portion (95)；Driving portion (94)
Equipped with axis hole (421), and by axis hole (421) mounted on the front end of connecting leg (31) so that the pincers valve can surround axis hole
(421) axis rotation；Driving portion (94) connects drive link (32) by transmission mechanism；The transmission mechanism to work as drive link
(32) along the axis rotation for driving two pincers valves to surround axis hole (421) when being moved forward and backward, to make binding clip portion (95) open or close
It closes；Binding clip portion (95) includes a binding clip box with pincers panel (511)；When binding clip portion (95) are closed, the pincers of two pincers valves
Panel (511) is bonded to each other；It clamps panel (511) and is equipped with pin hole (52)；Pin hole (52) on the pincers panel (511) of two pincers valves
It is oppositely arranged；It is equipped in the binding clip box to needle block (53), spring block (54) and pressing block (58)；To being set on needle block (53)
There is pressing slideway (531)；Pin hole (52) is connected to the bottom of pressing slideway (531)；Spring block (54) is connected with spring mechanism, and
It is mutually bound with traction rope (33)；The spring mechanism gives the force direction of spring block (54) and traction rope (33) pulls bullet
The direction of spring sliding block (54) is opposite；Spring block (54) connects pressing block (58)；Pressing block (58) is located at pressing slideway (531)
It is interior, and the bottom of pressing slideway (531) can be pressed to；When pressing block (58) presses to the bottom of pressing slideway (531), can incite somebody to action
The sewing needle placed in pin hole (52) is pushed down, to grasp sewing needle；In the backshank clamps valve, pressing block (58) passes through described
The active force of spring mechanism presses to the bottom of pressing slideway (531)；In the needle nose pliers valve, pressing block (58) passes through traction rope
(33) tractive force presses to the bottom of pressing slideway (531).
2. being used for the tissue stitching clamp of endoscope-assistant surgery as described in claim 1, which is characterized in that the transmission mechanism includes setting
Oblique slot (451) in driving portion (94) and the sliding bar (34) set on drive link (32) front end；The cunning of drive link (32) front end
Lever (34) is stuck in two oblique slots (451) of two pincers valve driving portions (94)；Sliding bar (34) can be in oblique slot (451)
It is interior to be slided along oblique slot (451)；Drive link (32) sagittal movement is mutual by sliding bar (34) and oblique slot (451)
Effect, driving pincers valve surround the axis rotation of axis hole (421).
3. being used for the tissue stitching clamp of endoscope-assistant surgery as claimed in claim 2, which is characterized in that driving portion (94) includes driving
Plate (41)；Driving plate (41) and pincers panel (511) are perpendicular；Driving plate (41) is divided into four regions, respectively：Screens area
(42), first passage area (43), second channel area (44) and skewed slot area (45)；Wherein, the thickness of screens area (42) is thicker, inwardly
Protrusion；First passage area (43) and second channel area (44) are located at the both sides of screens area (42)；Skewed slot area (45) is located at card
The rear side in position area (42)；Axis hole (421) is located at screens area (42)；Oblique slot (451) is located at skewed slot area (45)；Two pincers valve drivings
The screens area (42) in portion (94) is oppositely arranged so that is formed drive cavity between the skewed slot area (45) of two pincers valves, and is made one
Clamp the first passage area (43) of valve and second channel area (44) the composition traction rope channel of another pincers valve；Before drive link (32)
End is located in the drive cavity；Traction rope (33) passes through traction rope channel and drive cavity.
4. being used for the tissue stitching clamp of endoscope-assistant surgery as claimed in claim 3, which is characterized in that first passage area (43) are equipped with
Two directive wheels；Traction rope groove is provided on the wheel face of the directive wheel；Two directive wheels are respectively：First directive wheel
(431) and the second directive wheel (432)；Traction rope (33) is across the first directive wheel (431) and the second directive wheel (432).
5. being used for the tissue stitching clamp of endoscope-assistant surgery as claimed in claim 4, which is characterized in that second channel area (44) are equipped with
The first race (441) and the second race (442) to match with the first directive wheel (431) and the second directive wheel (432) so that one
The first directive wheel (431) and the second directive wheel (432) of a pincers valve can be respectively along the first races (441) of another pincers valve
It is slided with the second race (442).
6. being used for the tissue stitching clamp of endoscope-assistant surgery as described in claim 1, which is characterized in that the binding clip box includes front end
Plate (512), cover board (514) and two pieces of side panels (513)；Clamp panel (511), front end-plate (512), cover board (514) and two pieces of sides
Panel (513) forms the binding clip chamber of open rearward end；It is located at binding clip chamber to needle block (53), spring block (54) and pressing block (58)
It is interior；It is mounted on pincers panel (511) to needle block (53), and between spring block (54) and front end-plate (512)；It is clamped in backshank
In valve, pressing slideway (531) is open to spring block (54), and pressing block (58) is mounted on the front end of spring block (54)；In needle
In head pincers valve, end plate (512) is open pressing slideway (531) forward, and pressing block (58) is mounted on linkage board (582)；Linkage board
(582) it is located at front end-plate (512) and between needle block (53)；Spring block (54) is linked by supporting two of needle block (53) both sides
Bar (583) is connected with linkage board (582).
7. being used for the tissue stitching clamp of endoscope-assistant surgery as claimed in claim 6, which is characterized in that the spring mechanism is two
Set on to the drawing spring (562) in needle block (53) both sides spring groove (561)；The one end for pulling spring (562) connects front end-plate
(512), other end connecting spring sliding block (54).
8. being used for the tissue stitching clamp of endoscope-assistant surgery as described in claim 1, which is characterized in that be equipped with and support to needle block (53)
Needle plate (532), when sewing needle penetrates the bottom of pressing slideway (531) by pin hole (52), sewing needle can be withstood on to needle plate
(532) on；The front end of pressing block (58) is equipped with pressing cushion (581).
9. being used for the tissue stitching clamp of endoscope-assistant surgery as described in claim 1, which is characterized in that be equipped in handle support (11)
Handle cavity (24) and pull chamber (25)；Second flexible handle (21) is connected with returning spring (23)；Returning spring (23), second live
Part that fixed handle (21) and traction rope (33) are mutually bound and the second flexible handle (21) and the second shaft (22) are mutually fixed
Part is located in handle cavity (24)；Traction rope (33) penetrates handle cavity after the lateral openings of connecting leg (31) pass through pull chamber (25)
(24)。
10. being used for the tissue stitching clamp of endoscope-assistant surgery as claimed in claim 9, which is characterized in that be equipped in pull chamber (25)
Seal groove (26)；Sealing-plug is equipped in seal groove (26)；Traction rope (33) passes through the sealing-plug in seal groove (26).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810232917 | 2018-03-21 | ||
| CN2018102329172 | 2018-03-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108420479A true CN108420479A (en) | 2018-08-21 |
| CN108420479B CN108420479B (en) | 2023-12-22 |
Family
ID=63160718
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820498210.1U Expired - Fee Related CN209122322U (en) | 2018-03-21 | 2018-04-10 | A kind of tissue stitching clamp for endoscope-assistant surgery |
| CN201810313894.8A Active CN108420479B (en) | 2018-03-21 | 2018-04-10 | Tissue suture forceps for endoscopic surgery |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820498210.1U Expired - Fee Related CN209122322U (en) | 2018-03-21 | 2018-04-10 | A kind of tissue stitching clamp for endoscope-assistant surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN209122322U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109620323A (en) * | 2019-01-09 | 2019-04-16 | 郑州大学第附属医院 | Drawing-type hysteroscope sewing needle holder |
| CN109620325A (en) * | 2019-01-09 | 2019-04-16 | 郑州大学第附属医院 | Auto-manual system celioscope stitching needle holder |
| CN110742659A (en) * | 2019-11-05 | 2020-02-04 | 北京航天总医院 | Incision-free tissue grasping device for endoscope |
| CN115737029A (en) * | 2023-01-10 | 2023-03-07 | 青岛智兴医疗器械有限公司 | Continuous stitching instrument |
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| US20020138084A1 (en) * | 2001-03-23 | 2002-09-26 | Weber Robert M. | Arthroscopic suture passing instrument |
| CN1384725A (en) * | 1999-06-18 | 2002-12-11 | 诺瓦雷外科系统公司 | Surgical clmap having replaceable pad |
| US20120283754A1 (en) * | 2011-05-06 | 2012-11-08 | Michael Murillo | Suture passer devices and methods |
| CN104546109A (en) * | 2013-10-19 | 2015-04-29 | 郑州泽正技术服务有限公司 | Kirschner wire bender for department of orthopedics |
| CN106073859A (en) * | 2016-08-29 | 2016-11-09 | 江苏艾拓生物技术有限公司 | A kind of Microtrauma surgical operation implement |
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2018
- 2018-04-10 CN CN201820498210.1U patent/CN209122322U/en not_active Expired - Fee Related
- 2018-04-10 CN CN201810313894.8A patent/CN108420479B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384725A (en) * | 1999-06-18 | 2002-12-11 | 诺瓦雷外科系统公司 | Surgical clmap having replaceable pad |
| US20020138084A1 (en) * | 2001-03-23 | 2002-09-26 | Weber Robert M. | Arthroscopic suture passing instrument |
| US20120283754A1 (en) * | 2011-05-06 | 2012-11-08 | Michael Murillo | Suture passer devices and methods |
| CN104546109A (en) * | 2013-10-19 | 2015-04-29 | 郑州泽正技术服务有限公司 | Kirschner wire bender for department of orthopedics |
| CN106073859A (en) * | 2016-08-29 | 2016-11-09 | 江苏艾拓生物技术有限公司 | A kind of Microtrauma surgical operation implement |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109620323A (en) * | 2019-01-09 | 2019-04-16 | 郑州大学第附属医院 | Drawing-type hysteroscope sewing needle holder |
| CN109620325A (en) * | 2019-01-09 | 2019-04-16 | 郑州大学第附属医院 | Auto-manual system celioscope stitching needle holder |
| CN110742659A (en) * | 2019-11-05 | 2020-02-04 | 北京航天总医院 | Incision-free tissue grasping device for endoscope |
| CN115737029A (en) * | 2023-01-10 | 2023-03-07 | 青岛智兴医疗器械有限公司 | Continuous stitching instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108420479B (en) | 2023-12-22 |
| CN209122322U (en) | 2019-07-19 |
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Effective date of registration: 20231124 Address after: 321 Zhongshan Road, Gulou District, Nanjing City, Jiangsu Province, 210000 Applicant after: NANJING DRUM TOWER Hospital Address before: 210009, 42, Ting Ting, Nanjing, Jiangsu Applicant before: JIANGSU CANCER PREVENTION Research Institute (JIANGSU CANCER HOSPITAL) |
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