CN105310738B - A kind of tear-away clamping device of three-clove style - Google Patents
A kind of tear-away clamping device of three-clove style Download PDFInfo
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- CN105310738B CN105310738B CN201410840391.8A CN201410840391A CN105310738B CN 105310738 B CN105310738 B CN 105310738B CN 201410840391 A CN201410840391 A CN 201410840391A CN 105310738 B CN105310738 B CN 105310738B
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- clamping valve
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Abstract
The invention discloses a kind of tear-away clamping device of three-clove style.Specifically, the invention provides a kind of tear-away clamping device of three-clove style for being applied to one-handed performance under scope.Which overcome the defects of can not being clamped or be repaired using bleeding or perforation of the one-handed performance to the larger surface of a wound under scope, using the three-clove style gripper jaw that can independently close and be latched with activity, after clamping a surface of a wound part and closing fixation, drawing tissue is guided by scope, and realize gathering and further clamping for surface of a wound another part, tear-away design with co-clip closing part part, and the hemostasis or repairing that the big surface of a wound is completed under one-handed performance can be reached by latching the absorbable characteristic of cap locking folder closing part part and hold assembly.
Description
Technical field
The present invention relates to medical instruments field, in particular it relates to which a kind of three-clove style for being applied to one-handed performance under scope can
Come off clamping device.
Background technology
Endoscopy is typically observed that mucosal bleeding or perforation of the hollow organ such as stomach, enteron aisle, and certainly, stomach glues
The bleeding or perforation of film or enteron aisle are also likely to be the related complication as caused by endoscopy or treatment in itself.In such case
Under, just become extremely important for patient by endoscopic hemostasis and repairing perforation.
At present, existing hemostatic clamp is only capable of tackling less perforation.But it is constrained to the one-handed performance of endoscopy treatment
Pattern, the repairing of perforation and the hemostasis of the larger surface of a wound can not generally smoothly complete under scope.Because endoscopic technic passage
Limited diameter, the hemostatic device limited size that can be inserted, therefore tissue can not be carried out using the larger hemostatic device of bore
Folder close, and one-handed performance is even more that scope can not be made to carry out the suture of the surface of a wound as both hands.When hemostasis or perforation field are larger,
Abdominal is often relied only on, bimanualness is used under surgical direct-view, carries out Suture hemostasis or repairing.
But abdominal, which is patient, brings bigger wound and pain, the time of patient's recovery is also delayed, these
Originally the patient that can just leave hospital after treat-and-release can only but extend length of stay, so as to greatly aggravate medical resource
Burden.
Therefore, there is an urgent need to develop a kind of hemostasis suitable for scope one-handed performance or repairing apparatus for this area.
The content of the invention
The invention provides a kind of tear-away hemostasis device of three-clove style available for scope one-handed performance.
First aspect present invention, there is provided a kind of tear-away clamping device of scope three-clove style, it is included from distally near
End, which is connected, presss from both sides closing part part, connection member and control unit；
The connection member includes sleeve pipe and through the first and second traction piece in described sleeve pipe, and described sleeve pipe portion
(outer layer) is divided to be movably connected in the control unit；
Described folder closing part part includes fixed lobes, and the first clamping with fixed lobes in claw type positioned at fixed lobes both sides
Valve and the second clamping valve；Wherein described first clamping valve and the second clamping valve can be separately or concurrently relative with the fixed lobes living
Move and close, and the near-end difference that folder closes button, the first clamping valve and the second clamping valve is formed in the distal end of the fixed lobes
It is separably attached with the described first or second traction piece；
The control unit includes holding part, the gear adjusting device being arranged on holding part and is respectively arranged on holding part
The first control piece and the second control piece of both sides, wherein described the first control piece and the second control piece passes through described first respectively
Or second traction piece be connected with the first clamping valve and the second clamping valve, and described connection member is drawn by step slide, from
And the opening between the first clamping valve and the second clamping valve and the fixed lobes and closure are controlled respectively, wherein, described gear
Adjusting means from the distal end of described device to near-end be respectively shelves, the first gear, the second gear and third gear in situ；
When first control piece and/or the second control piece are located at the first gear, the first clamping valve and/or second
Clamping valve is in open state with the fixed lobes respectively；When the first control piece and/or the second control piece slide into the second gear
When, the first clamping valve and/or the second clamping valve are in closure state with the fixed lobes respectively, and with the fixed lobes
Distal end forms folder and closes button；When the first control piece and/or the second control piece slide into shelves in situ, described folder closes button and opened；When
When first control piece and the second control piece slide into third gear, the clamping valve separation of the corresponding connection of traction piece.
In another preference, when the first control piece and/or the second control piece slide into shelves in situ, first clamping
Valve or the second clamping valve produce dislocation with fixed lobes respectively, the preferably dislocation of y direction, are opened so that the folder closes button.
In another preference, when first control piece and the second control piece slide into third gear, traction piece with
Junction between clamping valve of its corresponding connection makes the folder close to detain and separated with the clamping valve of corresponding connection by producing deformation.
In another preference, the closing face of the fixed lobes and the clamping valve is provided with the rodent part of matches mutually.
In another preference, the folder that the first clamping valve and the second clamping valve are formed with fixed lobes distal end closes button
Around fixed lobes in symmetrical or almost symmetry.
In another preference, described folder closes button and closes button for provisional folder.
In another preference, described folder closes button and closes button for hook folder.
In another preference, the folder under described closure state close be buckled in it is described clamping valve and the fixed lobes form mistake
It is in open state during position.
In another preference, the distal side that the holding part is close to the second gear is provided with mobilizable stopping means, and
Described stopping means prevents control piece from being slided from the second gear to distal end.
In another preference, described stopping means is taken under unused state in described holding part.
In another preference, described stopping means is plectrum or spring part.
In another preference, the fixed lobes are shorter in length than the clamping valve.
In another preference, described device also includes the lock being series between described sleeve pipe and the folder closing part part
Cap, and described sleeve pipe is activity sleeve pipe, wherein described lock cap can be socketed by pushing described sleeve pipe and lock institute
The folder for stating folder closing part part closes button.
In another preference, described sleeve pipe is bilayer sleeve, and internal layer is fixed sleeving, and outer layer is can be by described sleeve pipe
The movable property sleeve pipe axially moved up and down.
In another preference, described lock cap is in hollow shell-like, and the folder under closure state closes button and can be socketed
In the lock cap.
In another preference, the internal diameter of the lock cap is more than the folder and closes the diameter buckled.
In another preference, the length of the lock cap is 2-4mm.
In another preference, the external diameter of the lock cap is 1.0-2.6mm.
In another preference, described folder closes a diameter of 0.8-2.4mm being buckled under folder closed state, and described folder closes
The length of button is 9.0-14.0mm.
In another preference, a diameter of 1.0-2.6mm of the widest part of described device.
In another preference, the length of described device is identical or essentially identical with conventional endoscopic working clamp.
In another preference, the length of described device is 1600-2300mm.
In another preference, the angle [alpha] that described clamping valve distal end folder closes button forming portion is 45 ° -135 °, is preferably
90 ° -135 ° (see Fig. 6).
In another preference, when the fixed lobes are shorter than the clamping valve, described clamping valve distal end folder closes buckle-shaped
Angle [alpha] into portion meets 45 °≤α≤90 °.
In another preference, when the fixed lobes are longer than the clamping valve, described clamping valve distal end folder closes buckle-shaped
Angle α into portion meets 90 ° of ＜ α≤135 °.
In another preference, the length of described clamping valve is 9.0-16.0mm；And/or the length of the fixed lobes is
9.0-14.0mm。
In another preference, described traction piece includes and the first clamping valve and/or the second clamping from distal end to near-end
Valve connected movable separation member, traction fiber and the traction control end being connected with the first and/or second control piece.
In another preference, when first and second control piece is located at third gear, described activity point is caused
The deformation of off member, and the folder closing part part is separated and is come off with the traction piece.
In another preference, the material of the folder closing part part is medical bioavailability material.
In another preference, the medical bioavailability material includes medical metal, medical polymer, medical bio
Material etc..
In another preference, described medical metal includes various biocompatible metal, as titanium, stainless steel,
Or NiTi etc..
In another preference, described biomaterial for medical purpose includes medical degradable magnesium-based, iron-based, tungsten base biomaterial
Or biodegradable composite material etc..
In another preference, the fixed lobes of described folder closing part part are Biodegradable material, and/or the clamping valve
For medical metal or Biodegradable material.
It should be understood that within the scope of the present invention, above-mentioned each technical characteristic of the invention and have in below (eg embodiment)
It can be combined with each other between each technical characteristic of body description, so as to form new or preferable technical scheme.As space is limited, exist
This no longer tires out one by one states.
Brief description of the drawings
Fig. 1 shows the retaining part schematic diagram of apparatus of the present invention；
Fig. 2 shows hold assembly and preferable three valves fixed structure schematic diagram；
Fig. 3 shows another hold assembly and latches the schematic diagram of cap；
Fig. 4 shows the control unit schematic diagram of apparatus of the present invention；
Fig. 5 shows apparatus of the present invention schematic perspective view.
Fig. 6 shows that clamping valve distal end folder closes the angle schematic diagram of button forming portion.
It should be understood that accompanying drawing of the present invention only makees illustrative purposes, unless otherwise specified, accompanying drawing is not drawn to scale.
Reference：
11 clamping valves；12 fixed lobes；13 fixed lobes distal end, it is used to close button into folder with clamping lobed；14 is be hinged；15 transverse axis；
16 rodent parts；17 clamping valve distal end folders close the angle α of button forming portion；20 traction pieces；21 sleeve pipes；22 separation rings；23 lock caps；30
Control unit；31 control pieces；32 stopping means；33 shelves in situ；34 first gears；35 second gears；36 third gears；37 grips
Portion.
Embodiment
The present inventor and in-depth study, is prepared for a kind of three valves for being applied to one-handed performance under scope first by extensive
The tear-away clamping device of formula.Carried out instant invention overcomes bleeding or perforation of the one-handed performance to the larger surface of a wound can not be used under scope
The defects of clamping or repairing, using can independently close and there is the three-clove style gripper jaw of activity lock, in clamping surface of a wound side simultaneously
After closure is fixed, drawing tissue is guided by scope, and realizes gathering and further clamping for surface of a wound opposite side, with co-clip closing part
The tear-away design of part, and one-handed performance can be reached by latching the absorbable characteristic of cap locking folder closing part part and hold assembly
The lower hemostasis or repairing for completing the big surface of a wound, the folder closing part part is stopped at the surface of a wound so that the surface of a wound grows, and press from both sides closing part part
Then eventually absorbed or excreted, so as to eliminate the pain of the hemostasis of patient's abdominal or repairing perforation.It is basic herein
On, complete the present invention.
Term
As used herein, term " near-end " refers to when in use, and apparatus of the present invention refer to close to one end of user, " distal end "
Be that apparatus of the present invention can also make " free-end " close to one end of patient, " distal end ".
Press from both sides closing part part
Present invention folder closing part part is that three-clove style presss from both sides closing part part.Wherein, it is fixed lobes positioned at press from both sides closing part part center, it is described
Fixed lobes are not connected with traction piece.
In present invention folder closing part part, the first and second clamping valves are located at the both sides of the fixed lobes respectively, and are received in claw type
Hold together the near-end of the folder closing part part.The present invention first, second, which clamps valve and the near-end annexation of fixed lobes, does not have special limit
System, as long as the first and second clamping valves can be made separately or concurrently to carry out relatively movable (open or closed) with the fixed lobes
Structure can use.For example, it is described first and second clamping valve can by be hinged or by axle connect (transverse axis) be connected and respectively
It is connected with traction piece, so as to receive the control that the first or second control piece slides into different parts.The fixed lobes can be articulated with
(as schemed on (as shown in Figure 1), or the transverse axis being fixedly connected between the first and second clamping valves between first or second clamping valve
Shown in 2).
The present invention first and second clamps valve can close button with fixed lobes distal end formation folder respectively, in other words, the fixed lobes
Distal end it is mutually symmetrical with, and respectively with first and second clamping valves distal end formed can independently, repeat folding folder close button.And institute
Fixed lobes, first and/or second is stated to clamp the closing face of valve can be also provided with or without the grinding tooth of matches mutually (can be in sawtooth
Shape).When fixed lobes are with the first and/or second clamping valve closure, folder closes button and closing face ensures to be clamped in tissue therein (such as
The double-side-edge of perforation, blood vessel etc.) maintain fit-state.
Available for the present invention folder structure of button is closed to be not particularly limited, can be it is well known in the art can folding repeatedly
Folder closes buckle device, it is preferable that described folder closes button and closed in hook-shaped folder, is unclamped so as to prevent folder from closing button bounce-back.Certainly, closed in folder
When button is closed, it is found that clamped tissue or position are unsatisfactory, can be by the way that control piece be adjusted to shelves in situ, so that fixed
Valve and clamping valve misplace on vertical or horizontal, so as to which the folder for unclamping described closes button.
The diameter of the folder closing part part of the present invention is not particularly limited, as long as available for the operation (work) for stretching into scope
Passage.For example, described folder closes a diameter of 0.8-2.6mm, the preferably 1.0-2.4mm being buckled under folder closed state, and/or
The length that described folder closes button is 9.0-14.0mm；And/or the length of the fixed lobes is 9.0-14.0mm；Described clamping valve
Length be 9.0-16.0mm.
In another preference, the length and width of described device is identical or essentially identical with conventional endoscopic working clamp, excellent
Elect 1600-2300mm as；Preferably, a diameter of 1.0-2.6mm of the widest part of described device.
In another preference, it is described clamping valve distal end folder close button forming portion angle [alpha] be 45 ° -135 °, preferably 90 ° -
135°。
Angle between fixed lobes of the present invention and clamping valve is not particularly limited, can be with crawl conventional in medical field
It is same or like to clamp folding angle, for example, it may be carrying out folding in the range of 0-135 °.The fixed lobes and clamping valve it
Between can pass through control piece and the traction piece connected and carry out opening and closing.When any control piece is located at the second gear, Gu
Determine closure between valve and clamping valve and close button in distal end formation folder.And when any control piece is retracted into the original position of distal end, then can
Make to stagger between fixed lobes and clamping valve and folder is closed button and open.
Between fixed lobes of the present invention and clamping valve the folder that is formed close be buckled in not by external force (such as control piece retract original position when
Caused by drawing) when, will not after closure again unclamp once again, still, in order to further ensure folder closing part part closed in correct position
Merging not wriggled by internal organs after coming off is influenceed to unclamp again, can also be connected between connection member sleeve pipe and folder closing part part
One internal diameter is slightly larger than the lock cap that folder closing part part but energy and folder closing part part are socketed and locked.Lock cap available for the present invention
Big I according to folder closing part part size it is different, and it is described lock cap with folder closing part part lock mode can also use
This area routine socket and fixed any structure, as long as the lock cap can be socketed in the present invention and press from both sides outside closing part part and make to close
It is sympetalous that dislocation is not produced between clamping valve and is loosened.
Moreover it is preferred that present invention lock cap and described folder closing part part and the contact surface of tissue passed it is blunt
Change is handled, so as to not form incised injury to stomach intestinal tissue.Preferably, the length of the lock cap is 2-4mm, and/or described
The external diameter for latching cap is 1.0-2.6mm.
Connection member
Connection member of the present invention includes the sleeve pipe of connection control unit holding part and the traction piece in sleeve pipe, its
In, described sleeve pipe can be bilayer sleeve, and the outer layer of the bilayer sleeve is movably connected in described control unit, interior
Layer sleeve pipe is fixedly connected with the control unit.Described traction piece is distally being connected to described folder closing part part.Pass through control
The control (shelves, the first gear or the second gear such as in situ) of part different stalls, traction piece can make clamping valve open or close.
Connection site wherein between traction piece and clamping valve can be structure commonly used in the art, for example, any medical or non-medical
The controlled crawl structure in field.And when control unit is located at third gear, due to the difference of the tractive force suffered by traction piece, lead
The connection site drawn part and clamped between valve produces deformation, and departs from traction piece and clamping valve.
It is a kind of preferably as shown in Figure 2 with the attachment structure of clamping valve.Wherein, the distal end of the traction piece, which is fixed with, to roll over
Folded diplopore separation ring, traction piece are sequentially passed through the diplopore of the separation ring, and the activity of described separation ring by distal end to near-end
The clamping valve near-end is buckled in, when control piece is located at third gear, the power suffered by traction piece, which exceedes foldable separation ring, to hold
The resistant to collapsing threshold value received, the diplopore of the separation ring is folded toward, and separation ring is separated with clamping valve.When the first and second controls
When product is respectively positioned on third gear, then the first and second clamping valves separate from traction piece, so as to come off on the surface of a wound and tieing up
Hold closure state.
Control unit
The control unit of apparatus of the present invention mainly includes holding part, gear adjusting device and is respectively arranged on holding part two
The first control piece and the second control piece of side.
Available for the present invention holding part be not particularly limited, can be medical instruments field in commonly use grip shape or
Structure, and traction piece can be penetrated inside holding part, traction piece is connected with the control piece located at holding part both sides.The present invention
Holding part on be additionally provided with gear adjusting device, wherein, described gear adjusting device is from the distal end of described device to near-end point
Wei not shelves, the first gear, the second gear and third gear in situ；Gear adjusting device available for the present invention can be neck knot
Structure, it coordinates length, position and shape adjustment between control piece and traction piece, and can be relatively fixed the position of control piece.
Preferably, when the described first and/or second control piece is located at the first gear, the described first and/or second clamping
Valve is in open state with the fixed lobes；When the first and/or second control piece slides into the second gear, described first and/
Or second clamping valve and the fixed lobes be in relatively closed, and close button with the distal end formation folder of the fixed lobes；When first and/
Or second control piece when sliding into original position, the described first or second clamping valve produces the dislocation of y direction with fixed lobes, described
Folder close button open；When first and second control piece slides into third gear, between traction element and the clamping valve
Junction by produce deformation make it is described folder closing member with it is described clamp valve separate.
Preferably, stopping means is provided with the distal end place of being close to of each gear, to prevent the resilience of control piece position, such as Fig. 5 institutes
Show.
Material
Material available for apparatus of the present invention is not particularly limited, and can be to be applied to intracorporeal indwelling not in medical field
Produce any material significantly to reject, as medical bioavailability material, including medical metal, medical polymer, medical life
Thing material etc..Wherein, described medical metal includes various biocompatible metal, such as titanium, stainless steel or Nitinol；
Described biomaterial for medical purpose includes medical degradable magnesium-based, iron-based, tungsten base biomaterial or biodegradable composite material etc..
Preferably, the material available for apparatus of the present invention includes medical degradable magnesium-based, iron-based, tungsten base biomaterial and life
Biodegradable composite etc..
In addition, the outward flange of apparatus of the present invention is preferably set to streamlined edge, so as to avoid the cutting damage to internal organs
Or cause compressing or local edema.
Using
Apparatus of the present invention can be used for the Endoscopic Treatment of one-handed performance, such as hemostasis, biopsy, puncture repair etc..For example,
When treating viscera perforation using apparatus of the present invention, the clamping valve fitting perforation lateral edges of tissue one of side are pressed from both sides using control piece
Close the tissue, stopping means carries out position and lock, and recycling the rotation of scope, to move integrally folder closing part part another to perforation tissue
One edge, after tightening up the larger surface of a wound, the perforation of both sides is closed using control piece folder, after control piece finally is moved into third gear
Release folder closing part part, so that folder closing part part is stayed at perforation tissue and in folder closed state, if folder closed position is undesirable, will can be controlled
Product moves to original position, unclamps folder closing part part and tissue, repositions and repeats each portion above, completes folder and close backed off after random scope i.e.
Can.It is of course also possible to push sleeve pipe, make lock cap sleeve outside folder closing part part, it is compacted due to intestines and stomach so as to prevent from pressing from both sides closing part part
Move stress and open.
As used herein, term " scope " refers to treating or checks the digestive endoscopy of purpose, including gastroscope, colonoscopy, ten
Two duodenum 12 mirrors, enteroscope, choledochoscope, or other scopes provided with operating walk way (or working clamp road).
In addition, the one-handed performance that can be additionally used under hysteroscope of the present invention or coordinating other apparatuses of hysteroscope to be stopped blooding or perforated to repair
Mend.
Beneficial effect of the present invention
Apparatus of the present invention can be goed deep at in-vivo tissue under scope by operating walk way, can only be made with one-handed performance larger
The surface of a wound collapsed so as to close blood vessel or perforation, and apparatus of the present invention employ tear-away folder closing part part, so that folder
Closing part part stays in the body, it is allowed to heals spontaneously, so as to reach the purpose of hemostasis or the closure small fistula mouth of alimentary canal, effectively keeps away
Exempt from infringement of the abdominal to patient and medical resource.
All it is incorporated as referring in this application in all documents that the present invention refers to, it is independent just as each document
It is incorporated as with reference to such.In addition, it is to be understood that after the above-mentioned instruction content of the present invention has been read, those skilled in the art can
To be made various changes or modifications to the present invention, these equivalent form of values equally fall within the model that the application appended claims are limited
Enclose.
Claims (29)
1. a kind of tear-away clamping device of scope three-clove style, it is characterised in that it includes the folder being connected from distal end to near-end
Closing part part, connection member and control unit；
The connection member includes sleeve pipe and through the first and second traction piece in described sleeve pipe, and described sleeve pipe is movable
Ground is connected to the control unit；
Described folder closing part part includes fixed lobes, and positioned at fixed lobes both sides and fixed lobes in the first clamping valve of claw type with
And second clamping valve；Wherein it is described first clamping valve and second clamping valve can separately or concurrently it is relative with the fixed lobes activity simultaneously
Closure, and form folder in the distal end of the fixed lobes and close button, the first clamping valve and second clamp the near-end of valve respectively with institute
It is separably attached to state the first or second traction piece；
The control unit includes holding part, the gear adjusting device being arranged on holding part and is respectively arranged on holding part both sides
The first control piece and the second control piece, wherein the first described control piece and the second control piece pass through described first or respectively
Two traction pieces are connected with the first clamping valve and the second clamping valve, and described connection member is drawn by step slide, so that point
Opening that Kong Zhi be between the first clamping valve and the second clamping valve and the fixed lobes and closure, wherein, the regulation of described gear
Device from the distal end of described device to near-end be respectively shelves, the first gear, the second gear and third gear in situ；
When first control piece and/or the second control piece are located at the first gear, the first clamping valve and/or the second clamping
Valve is in open state with the fixed lobes respectively；When the first control piece and/or the second control piece slide into the second gear, institute
State the first clamping valve and/or the second clamping valve be in closure state with the fixed lobes respectively, and with the distal end of the fixed lobes
Form folder and close button；When the first control piece and/or the second control piece slide into shelves in situ, described folder closes button and opened；When described
When first control piece and the second control piece slide into third gear, the clamping valve separation of the corresponding connection of traction piece；Wherein,
When the first control piece and/or the second control piece slide into shelves in situ, the first clamping valve or the second clamping valve difference
Dislocation is produced with fixed lobes, is opened so that the folder closes button.
2. device as claimed in claim 1, it is characterised in that when the first control piece and/or the second control piece slide into original position
During shelves, the first clamping valve or the dislocation with fixed lobes generation y direction respectively of the second clamping valve, so that the folder closes
Button opens.
3. device as claimed in claim 1, it is characterised in that when first control piece and the second control piece slide into the 3rd
During gear, junction between the clamping valve of the corresponding connection of traction piece makes the folder close button by producing deformation with corresponding to connect
The clamping valve separation connect.
4. device as claimed in claim 1, it is characterised in that the fixed lobes and described first and/or second clamp valve
Closing face is provided with the rodent part of matches mutually.
5. device as claimed in claim 1, it is characterised in that the first clamping valve and the second clamping valve and the fixed lobes
The folder that distal end is formed closes button around fixed lobes in symmetrical or almost symmetry.
6. device as claimed in claim 1, it is characterised in that described folder closes button and closes button for provisional folder.
7. device as claimed in claim 1, it is characterised in that described folder closes button and closes button for hook folder.
8. device as claimed in claim 1, it is characterised in that the folder under described closure state, which closes, is buckled in first clamping
It is in open state that valve and/or the second clamping valve and the fixed lobes, which are formed when misplacing,.
9. device as claimed in claim 1, it is characterised in that the distal side that the holding part is close to the second gear is provided with and can lived
Dynamic stopping means, and described stopping means prevents the first and/or second control piece from being slided from the second gear to distal end.
10. device as claimed in claim 9, it is characterised in that described in described stopping means is taken under unused state
Holding part in.
11. device as claimed in claim 9, it is characterised in that described stopping means is plectrum or spring part.
12. device as claimed in claim 1, it is characterised in that the fixed lobes are shorter in length than described first and/or second
Clamp valve.
13. device as claimed in claim 1, it is characterised in that described device also includes being series at described sleeve pipe and the folder
Lock cap between closing part part, and described sleeve pipe is Double-layered movable sleeve pipe, wherein described lock cap can be by pushing
The outer layer for the sleeve pipe stated, which is socketed and locks the folder for pressing from both sides closing part part, closes button.
14. device as claimed in claim 13, it is characterised in that described sleeve pipe is bilayer sleeve, and internal layer is fixed sleeving,
Outer layer is the movable property sleeve pipe that can be axially moved up and down by described sleeve pipe.
15. device as claimed in claim 14, it is characterised in that described lock cap is in hollow shell-like, and under closure state
The folder close button can be socketed in it is described lock cap in.
16. device as claimed in claim 14, it is characterised in that it is described lock cap internal diameter be more than it is described folder close buckle it is straight
Footpath；And/or the length of the lock cap is 2-4mm.
17. device as claimed in claim 14, it is characterised in that the external diameter of the lock cap is 1.0-2.6mm.
18. device as claimed in claim 1, it is characterised in that described folder closes a diameter of 0.8- being buckled under folder closed state
2.4mm, and it is 9.0-14.0mm that described folder, which closes the length of button,.
19. device as claimed in claim 1, it is characterised in that a diameter of 1.0-2.6mm of the widest part of described device；And/or
The total length of described device is 1600-2300mm；And/or
Described first and/or second clamping valve distal end folder close button forming portion angle [alpha] be 45 ° -135 °, preferably 90 ° -
135°。
20. device as claimed in claim 1, it is characterised in that when the fixed lobes are shorter than the described first and/or second clamping
During valve, the angle [alpha] that the described first and/or second clamping valve distal end folder closes button forming portion meets 45 °≤α≤90 °.
21. device as claimed in claim 1, its feature exists, when the fixed lobes are longer than the described first and/or second clamping valve
When, the angle α that the described first and/or second clamping valve distal end folder closes button forming portion meets 90 ° of ＜ α≤135 °.
22. device as claimed in claim 1, it is characterised in that the length of described clamping valve is 9.0-16.0mm；And/or institute
The length for stating fixed lobes is 9.0-14.0mm.
23. device as claimed in claim 1, it is characterised in that the first and/or second described traction piece is from distal end to near-end
Including with first clamping valve and/or second clamping valve be connected movable separation member, traction fiber and with first and/or second control
The connected traction control end of product.
24. device as claimed in claim 23, it is characterised in that when first and second control piece is located at third gear
When, the deformation of described movable separation member is caused, and the folder closing part part is separated simultaneously with the described first and/or second traction piece
Come off.
25. device as claimed in claim 1, it is characterised in that the material of the folder closing part part is medical bioavailability material
Material.
26. device as claimed in claim 1, it is characterised in that the fixed lobes of described folder closing part part are biodegradable material
Material, and/or the described first and/or second clamping valve is medical metal or Biodegradable material.
27. device as claimed in claim 26, it is characterised in that described medical metal includes various biocompatible gold
Category.
28. device as claimed in claim 26, it is characterised in that described Biodegradable material includes medical degradable magnesium
Base, iron-based, tungsten base biomaterial or biodegradable composite material etc..
29. device as claimed in claim 26, it is characterised in that described medical metal includes titanium, stainless steel or nickel
Titanium.
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| CN201410840391.8A CN105310738B (en) | 2014-12-24 | 2014-12-24 | A kind of tear-away clamping device of three-clove style |
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| CN105310738B true CN105310738B (en) | 2017-12-26 |
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| CN106510776A (en) * | 2016-12-06 | 2017-03-22 | 张强 | One-piece double-endoscope clip with endoscope suturing |
| CN107693059B (en) * | 2017-11-01 | 2019-11-08 | 刘波 | A kind of operation device fixed for internal organs in Minimally Invasive Surgery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB9722203D0 (en) * | 1997-10-21 | 1997-12-17 | Univ London | Surgical clip |
| US6991634B2 (en) * | 2001-05-23 | 2006-01-31 | Pentax Corporation | Clip device of endoscope |
| CA2481745C (en) * | 2002-04-15 | 2008-01-08 | Wilson-Cook Medical Inc. | Haemostatic clip device |
| CN101087564B (en) * | 2004-12-24 | 2010-06-02 | 奥林巴斯株式会社 | Ligation device |
| JP4116049B2 (en) * | 2006-07-25 | 2008-07-09 | オリンパスメディカルシステムズ株式会社 | Biological tissue clip device |
| US9138234B2 (en) * | 2011-11-14 | 2015-09-22 | Anrei Medical (Hz) Co., Ltd. | Clip apparatus for ligature of living tissue |
| CN204364061U (en) * | 2014-12-24 | 2015-06-03 | 石益海 | The tear-away clamping device of a kind of three-clove style |
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