CN105640615B - Endoscopic surgery knife with pulling device - Google Patents
Endoscopic surgery knife with pulling device Download PDFInfo
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- CN105640615B CN105640615B CN201610096505.1A CN201610096505A CN105640615B CN 105640615 B CN105640615 B CN 105640615B CN 201610096505 A CN201610096505 A CN 201610096505A CN 105640615 B CN105640615 B CN 105640615B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00601—Cutting
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- General Health & Medical Sciences (AREA)
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- Orthopedic Medicine & Surgery (AREA)
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Abstract
The invention discloses a kind of endoscopic surgery knife with pulling device, including scope diced system, scope drawing system, operating sleeve.Scope diced system is used to cut the cutter head of pathological tissues, transmits the driven rod of cutter head portion cutter head and the rear-end lever of setting for afterbody to be operated including being arranged on head end.Scope drawing system is non-circular, stayed pole, is arranged on the drawing handle of stayed pole tail end including being arranged on head end for the moulding section of the head end J-shaped connected with the gland that pathological tissues are fixed temporarily with gland.The invention opens pathological tissues drawing so as to exposure operating field by the way that the J-shaped for pulling rod head end is moulding, drawing degree is further adjusted by pulling handle again, enable surgical doctor clear view to operation cutting part, beneficial to surgical doctor using scope diced system to pathological tissues precise ablation.
Description
Technical field
The present invention relates to a kind of endoscopic surgery knife, especially a kind of endoscopic surgery knife with pulling device belongs to Medical treatment device
The technical field of tool.
Background technology
Endoscopic surgery can be cut off when pathological tissues are smaller in body cavities, has the advantages that early stage is minimally invasive,
There is irreplaceable superiority to the treatment of pathological tissues in patient's cavity, be foreign matter removing and pathological tissues in body cavities
The developing direction of excision.
Endoscopic surgery knife at present, especially long cavity deep（Such as the urinary tract, alimentary canal, air flue）Endoscopic surgery knife behaviour
Make that difficulty is very big, because in the slightly larger pathological tissues of cutting area, in the edge tiling parts of pathological tissues often covers
The operating position of videoendoscopic surgery knife, makes the visual field of the electronic curtain of endoscopic technic can not smoothly observe surgical cut position.It needs
The edge tiling part that the pathological tissues to have dissociated are cast aside using various methods exposes the operative site of more deep position.
At present frequently with several method it is relatively complicated and effect is poor, a kind of effect of urgent clinical needs is reliable, embodiment party
Just the reliable method of exposure scope camera operating field.
The content of the invention
The purpose of the present invention is overcoming the deficiencies in the prior art, a kind of endoscopic surgery with pulling device is provided
Knife has cut free pathological tissues tiling in the endoscopic surgery in the long cavity deep of human body using convenient and reliable having pulled of energy
Endoscope operation position is sufficiently exposed in endoscopic visual, smoothly performs the operation convenient for surgical doctor by partial edge, improves
Procedure efficiency and security.
A kind of endoscopic surgery knife with pulling device is cut including being used for the scope of removal lesion tissue in endoscopic surgery
It cuts system, show cutting part under endoscope camera head for pulling pathological tissues exposure cutting part under scope
The scope drawing system that is accurately cut using scope diced system in order to surgical doctor in display screen and for scope to be cut
System and scope drawing system are transmitted to the operating sleeve at interior arthroscopic diagnosis position.
Scope drawing system includes being arranged on head end for connecting with gland with the gland that pathological tissues are fixed temporarily
Head end J-shaped it is moulding for pulling the elastic stayed pole at pathological tissues exposure endoscope operation position and be arranged on drawing
Bar tail end is convenient for the drawing handle that surgical doctor operates scope drawing system.Cutting operation is set in the operating sleeve
The embedded scope diced system of chamber activity, the operating sleeve is interior to set drawing operating cavity activity to bury scope drawing system.It is described
The operation lever of scope diced system and the length of stayed pole are all higher than the length of operating sleeve.The scope diced system can cut
It cuts in operating cavity and is slided along cutting operation chamber long axis by the cutting head of scope diced system outside the head end of cutting operation chamber
Portion, the stayed pole can be slided along drawing operating cavity long axis by the moulding drawing head of gland and J-shaped in drawing operating cavity
End is outside the head end of drawing operating cavity.The moulding drawing rod head end of the J-shaped is outside the head end of drawing operating cavity
The head end of stayed pole J-shaped plasticity is to away from the offset of cutting operation cavity direction during portion.The stayed pole at least one section of section is set
For noncircular cross section, matched non-circular section is also configured as with the drawing operating cavity section of noncircular cross section stayed pole corresponding position
Face, the length of noncircular cross section drawing operating cavity are more than the length of noncircular cross section stayed pole.
It pulls operating cavity exit site and drawing fixing device is set, for stayed pole and operating sleeve to be fixed temporarily.
Gland includes being provided with the small tip of small hangnail.
Gland includes horn-like suction nozzle, and the stayed pole correspondingly is arranged to elastic sucker, and sudden and violent in stayed pole
The tail end for being exposed at drawing operating cavity sets negative port.
Scope diced system includes T-shaped knife, loses knife, electric knife.
Drawing operation cavity wall or stayed pole outer wall are coated with hydrophilic coating.
The operation lever outer wall of cutting operation cavity wall or scope diced system is coated with hydrophilic coating.
Noncircular cross section, which pulls operating cavity and noncircular cross section stayed pole section, includes class ellipse, class rectangle, five side of class
Shape.
Noncircular cross section stayed pole is arranged on the moulding drawing rod head end of J-shaped and closes on the moulding drawing rod head end of J-shaped
Position.
Drawing fixing device include being arranged on drawing operating cavity exit site and the soft card cylinder that connects of drawing operating cavity and
It is nested with the non-closed annular retainer ring in soft card drum outer wall.The stayed pole activity is nested in soft card barrel chamber.The annular
The corresponding non-closed end opposite face of retainer ring sets matched latch respectively, and the corresponding non-closed end of the annular collar can pass through card
Tooth will be nested with and is fixed temporarily in the stayed pole being fixed temporarily in soft card cylinder.
Advantages of the present invention：The present invention by operating sleeve by inserting in endoscopic technic cavity and exposing head end by described in
The head end of scope diced system and scope drawing system is sent to endoscopic surgery position, passes through the head end gland of scope drawing system
The edge tiling part for having cut free pathological tissues is fixed temporarily, then the moulding position of the head end J-shaped of stayed pole is appropriate
Operating sleeve is released, the edge of free pathological tissues has been cut under the moulding drawing of J-shaped to be tossed, so as to need
The endoscopic surgery position further cut is exposed under endoscope camera head, and electronic curtain is made to obtain clearly surgical field of view, into
Enter and further cut using the cutting head of scope diced system, until complete diseased region is removed.
Description of the drawings
Fig. 1 is overall schematic of the present invention；
Fig. 2 is head end enlarged diagram of the present invention；
Fig. 3 is the schematic diagram that gland of the present invention is arranged to the small tip with small hangnail；
Fig. 4 is the schematic diagram of the moulding elastic stayed pole of head end J-shaped of the present invention；
Fig. 5 is the schematic diagram that present non-circular section is arranged to ellipse；
Fig. 6 is the schematic diagram that present non-circular section is arranged to class rectangle；
Fig. 7 is arranged to the pentagonal schematic diagram of class for present non-circular section；
Fig. 8 is the schematic diagram that gland of the present invention is arranged to horn-like suction nozzle；
Fig. 9 is arranged to horn-like suction nozzle for gland of the present invention, and stayed pole is arranged to the schematic diagram of elastic sucker；
Figure 10 is the side cross-sectional, view of present invention drawing fixing device；
Figure 11 is the sectional view of present invention drawing fixing device Figure 10 embodiment A sections.
Description of symbols：1- scopes diced system, 11- cutting heads, 12- cutter bars, 13- cuttings handle, 2- scopes drawing system
System, 21- glands, 22- stayed poles, 23- drawing handle, 24- drawings fixing device, the soft card cylinders of 25-, 26- non-closed annulars
Retainer ring, 27- latches, 28- latches handle, 3- operating sleeves, 31- cutting operations chamber, 32- drawing operating cavities.
Specific embodiment
With reference to specific attached drawing, the invention will be further described.
As shown in Figure 1, a kind of endoscopic surgery knife with pulling device, including including for being cut off in endoscopic surgery
Cutting part is exposed to by the scope diced system 1 of pathological tissues for pulling pathological tissues exposure cutting part under scope
Display screen is shown under endoscope camera head in order to which the scope that surgical doctor is accurately cut using scope diced system 1 pulls system
System 2 and the operating sleeve 3 for scope diced system 1 and scope drawing system 2 to be transmitted to interior arthroscopic diagnosis position.
When it is implemented, the endoscopic surgery knife with pulling device is mainly used for digestive endoscope operation, such as gastroscope and
Colonoscopy is performed the operation.Gastroscope need to be passed through or the operation cavity of colonoscopy is inserted, at present the operating cavity internal diameter of the gastroscope of Clinical practice and colonoscopy
Mostly 2.8mm, therefore the outer diameter of the operating sleeve 3 should be less than 2.8mm, convenient for inserting in endoscopic technic cavity.The operation set
The inner cavity of two mutually independent perforation 3 long axis of operating sleeve in cylinder 3 is set, respectively scope diced system 1 and scope is set to lead
Pull system 2, the scope diced system 1 and scope drawing system 2 can work independently in scope cavity.In use, scope
Drawing system 2 can be adjusted according to specific actual conditions, to adapt to the work requirements of scope diced system 1, can be cut scope
It cuts 1 operating position of system to be sufficiently exposed under scope camera, effective Showing Effectiveness On Screen is provided for surgical doctor.
Scope diced system 1 and scope drawing system 2 are movably arranged in the duct in operating sleeve 3, pass through operation
The operation handle that 3 tail end of sleeve is set respectively carries out the corresponding operatings such as forward-reverse or rotation.Because of operation handle and behaviour's operation system
The connection structure relation of system is relatively conventional in endoscopic surgery, is no longer described in detail herein.
As shown in Fig. 2 and Fig. 8, the scope drawing system 2 include be arranged on head end for and pathological tissues be fixed temporarily
Gland 21 and the head end J-shaped that connects of gland 21 it is moulding for pulling pathological tissues exposure endoscope operation position
Elastic stayed pole 22 and be arranged on 22 tail end of stayed pole and be convenient for the drawing that is operated to scope drawing system 2 of surgical doctor
Handle 23.31 activity of cutting operation chamber embedded scope diced system 1 in the operating sleeve 3 is set, is set in the operating sleeve 3
Put the embedded scope drawing system 2 of 32 activity of drawing operating cavity.The operation lever of the scope diced system 1 and the length of stayed pole 22
It is all higher than the length of operating sleeve 3.The scope diced system 1 can be slided in cutting operation chamber 31 along 31 long axis of cutting operation chamber
Outside the head end of cutting operation chamber 31, the stayed pole 22 can be grasped the dynamic cutting head by scope diced system 1 in drawing
Make to slide along 32 long axis of drawing operating cavity in chamber 32 and operate moulding 22 head end of stayed pole of gland 21 and J-shaped exposed to drawing
Outside the head end of chamber 32.Stayed pole when moulding 22 head end of stayed pole of the J-shaped is outside the head end of drawing operating cavity 32
The head end of 22J shaped plastic property is deviated to away from 31 direction of cutting operation chamber.The stayed pole 22 at least one section of section is arranged to non-
Circular cross-section is also configured as matched non-circular section with 32 section of drawing operating cavity of 22 corresponding position of noncircular cross section stayed pole
Face, the length of noncircular cross section drawing operating cavity 32 are more than the length of noncircular cross section stayed pole 22.
When it is implemented, the pathological tissues edge that the gland 21 is used for and dissociates is fixed, provided for follow-up stayed pole
Stress point makes pathological tissues that can turn up under the active force of stayed pole, so as to which the tissue site operated will be needed to be exposed to stomach and intestine
Under the scopes camera view such as mirror, at the same must also be in scope diced system 1 it is operable within the scope of, make endoscopic surgery
Doctor can further complete the free operation of the deep cutting to pathological tissues under the monitoring of camera imaging.
The gland 21 and elastic stayed pole 22 are preferably wholely set during specific implementation, and are going out 3 tail end of operating sleeve
32 position of drawing operating cavity elastic stayed pole 22 set drawing handle 23.In order to reach elastic stayed pole 22 to pathological tissues
Function of turning up, it is described elasticity stayed pole 22 head end be arranged to J-shaped shaping structure, 22 head of elastic stayed pole of J-shaped plasticity
To the direction away from scope diced system 1 after the drawing operating cavity 32 of 3 head end of operating sleeve is gone out under pulling the manipulation of handle 23
Offset.
Specific cutting and drawing operation are：
1st, operation scope makes the head end of scope be located in front of the pathological tissues anticipated and prepare to cut off, and pathological tissues lead to
The imaging of scope imaging system is crossed in operation display.
The 2nd, the present invention is inserted to the head inserted by endoscopic technic hole and 3 head end of operating sleeve is made to expose endoscopic technic hole
Portion's opening.Cutting handle 13 is promoted, cutting head 11 is exposed to the cutting operation chamber of 3 head end of operating sleeve by cutter bar 12
31, cutting is carried out close to scope camera one side to pathological tissues and is dissociated.
3rd, when the free tissue of cutting is on needing operating position to have covering effect to influence further to cut free operation, first
Retreating cutting handle 13 makes cutting head 11 be retracted in cutting operation chamber 31；Again drawing handle 23 is promoted to 3 head end of operating sleeve
Gland 21 is made to expose the drawing operating cavity 32 of 3 head end of operating sleeve, gland 21, which is aligned, to be needed fixed to have cut trip
Pathological tissues from completion are fixed.After the gland 21 and free pathological tissues edge fix safe, continue to push away
22 head end of stayed pole for making the J-shaped of suitable length moulding into drawing handle 23 is outside the head end of drawing operating cavity 32, in J
Shape shape end away from scope diced system 1 direction offset active force under, free pathological tissues turned over by Throwing expose need into
The free operating position of one step cutting is clearly imaged in operation display again, it is necessary to further cut free operating position.
4th, cutting handle 13 is promoted again, and cutting head 11 is exposed to the cutting of 3 head end of operating sleeve by cutter bar 12
Operating cavity 31 further cuts free operating position to the needs of exposure imaging and carries out cutting free operation.When free tissue compared with
When mostly there may be covering to influence on subsequently cutting free position, drawing handle 23 can moderately be promoted to increase exposed to drawing operation
The length of moulding 22 head end of stayed pole of the J-shaped of chamber 32 makes the secondary cut increased tissue that dissociates also be turned over by Throwing, further exposure
Go out follow-up needs and cut free tissue site.
5th, after all pathological tissues, which are cut, to dissociate, back operation is carried out to drawing handle 23, makes elastic stayed pole 22
The gland 21 of head end departs from pathological tissues, you can the present invention is exited to the handle hole of the scopes such as Gastrointestinal Endoscopes, inserts haemostat
Tool carries out the subsequent operation such as stop blooding to the surface of a wound.
Certainly, aforesaid operations flow can be changed to as the case may be：
1st, operation scope makes the head end of scope be located in front of the pathological tissues anticipated and prepare to cut off, and pathological tissues lead to
The imaging of scope imaging system is crossed in operation display.
3rd, the drawing that promoting drawing handle 23 to 3 head end of operating sleeve makes gland 21 expose 3 head end of operating sleeve is grasped
Make chamber 32, the edge that gland 21, which is aligned, needs fixed pathological tissues to close on scope camera one side is fixed.Work as institute
State gland 21 fix it is safe after, continue promote drawing handle 23 make the J-shaped of suitable length it is moulding 22 head end of stayed pole exposure
Outside the head end of drawing operating cavity 32, under direction offset active force of the moulding end of J-shaped away from scope diced system 1, lesion
Tissue is pulled away from cutting part.
4th, cutting handle 13 is promoted, cutting head 11 is exposed to the cutting operation of 3 head end of operating sleeve by cutter bar 12
Chamber 31, the edge that pathological tissues are closed on scope camera one side carry out cutting free operation.It is cut at the moulding end of J-shaped away from scope
It cuts under the direction offset active force of system 1, free pathological tissues are turned over by Throwing exposes the needs further free operation portion of cutting
Position is clearly imaged in operation display again, it is necessary to further cut free operating position, is conducive to surgical doctor and is continuously cut
Cut free pathological tissues.
5th, when free tissue is more to have covering to influence on subsequently cutting free position, drawing hand can moderately be promoted
Handle 23 increases the length exposed to moulding 22 head end of stayed pole of the J-shaped of drawing operating cavity 32, makes to have completed what cutting dissociated
Tissue is turned over again by Throwing, further exposes follow-up needs and cuts free tissue site.
6th, after all pathological tissues, which are cut, to dissociate, back operation is carried out to drawing handle 23, makes elastic stayed pole 22
The gland 21 of head end departs from pathological tissues, you can the present invention is exited to the handle hole of the scopes such as Gastrointestinal Endoscopes, inserts haemostat
Tool carries out the subsequent operation such as stop blooding to the surface of a wound.
The scope diced system 1 includes T-shaped knife, loses knife, electric knife, the corresponding cutting head 11 include T-shaped knife cutter head,
Knife cutter head, electrotome head are lost, can set to connect the interface or connector of energy source in the tail end of scope diced system 1.
In order to enhance scope drawing system 2 when scope diced system 1 is used to cut pathological tissues to pathological tissues
Effect is pulled, as shown in Fig. 5, Fig. 6 and Fig. 7, the stayed pole 22 at least one section of section is arranged to noncircular cross section, and not rounded
32 section of drawing operating cavity of 22 corresponding position of tee section stayed pole is also configured as matched noncircular cross section.So in cutting
Since the stayed pole 22 of noncircular cross section is in the drawing operating cavity 32 of matched noncircular cross section, in scope drawing system
2 drawing pathological tissues can exist when carrying out cutting free to pathological tissues using scope diced system 1 simultaneously to avoid stayed pole 22
The rotation rolling of 32 intracavitary of operating cavity is pulled, so as to influence drawing effect of the scope drawing system 2 to pathological tissues.
Noncircular cross section, which pulls operating cavity 32 and 22 section of noncircular cross section stayed pole, includes class ellipse, class rectangle, class
Pentagon, but more than shape is not limited only to, principle and the effect for stablizing drawing effect are essentially identical.
When the drawing operating cavity 32 of the stayed pole 22 and corresponding position is only that a bit of section is arranged to non-circular section
During face, the position of noncircular cross section is preferably provided at moulding 22 head of stayed pole of J-shaped or closes on the position on head.In using
When mirror drawing system 2 pulls pathological tissues, just really play drawing effect is moulding 22 head of stayed pole of J-shaped or proximity head
The position in portion, stability herein are closed important especially.Meanwhile the length of noncircular cross section drawing operating cavity 32 need to be more than non-circular section
The length of face stayed pole 22 so when moulding 22 head of stayed pole of entire J-shaped or closes on the position on head and is completely used for pulling
During pathological tissues, the noncircular cross section of follow-up position stayed pole 22 remains in matched noncircular cross section drawing operating cavity 32
It is interior, stablizing effect is played to drawing effect.
In order to reduce the frictional force when scope drawing system 2 uses, in drawing 32 inner wall of operating cavity or drawing
22 outer wall of bar is coated with hydrophilic coating, does humidifying processing to the drawing operating cavity 32 using preceding, the hydrophilic coating of humidifying can be maximum
Limit reduces the coefficient of friction between drawing 22 outer wall of 32 inner wall of operating cavity and stayed pole, so as to reduce frictional force.
Similarly, in order to reduce the frictional force when scope diced system 1 uses, in 31 inner wall of cutting operation chamber or
The operation lever outer wall of scope diced system 1 is coated with hydrophilic coating, and humidifying processing, humidifying are done to the cutting operation chamber 31 using preceding
Hydrophilic coating can minimize between 31 inner wall of cutting operation chamber and the operation lever outer wall of scope diced system 1
Coefficient of friction, so as to reduce frictional force.
Shown as shown in Figure 2, Figure 3 and Figure 4, the gland 21 includes being provided with the small tip of small hangnail.In this reality
It applies in mode, sharp pin head-like structure is arranged like in the moulding head end of the J-shaped of the elastic stayed pole 22, after tip
Edge sets several small hangnails.When needing to be pulled using the structure, first by the prong structure of the elastic stayed pole 22
Drawing operating cavity 32 is elapsed out together together with small hangnail, then which is pierced into needs together together with small hangnail solid
In fixed pathological tissues, at this point, pathological tissues are fixed.It needs only to need to continue the moulding elastic stayed pole 22 of J-shaped during drawing
J-shaped head end elapse out drawing operating cavity 32, under the elastic acting force of the moulding elastic stayed pole 22 of J-shaped, pathological tissues are
Suspention can be pulled, needs to continue the free pathological tissues position of cutting so as to expose.
In order to avoid the small tip pierces through gastrointestinal wall when being pierced into pathological tissues, the length of small tip should be arranged to small
In the thickness of gastrointestinal wall, while stop cross bar can be added in the rear end of small tip, so as to avoid the small point to greatest extent
Head piercing gastrointestinal wall is too deep to cause perforation complication.When pathological tissues cut free complete, it is necessary to by small tip and lesion group
When knitting separation, it is only necessary to the elastic stayed pole 22 in strength retraction drawing operating cavity 32.At this point, small hangnail is to pathological tissues
Damage to the operation of patient and surgical doctor be interfere.
As can be seen from figures 8 and 9, the gland 21 includes horn-like suction nozzle, and the stayed pole 22 correspondingly is set
For elastic sucker, and negative port is set exposed to the tail end of drawing operating cavity 32 in stayed pole 22.In this embodiment, when
When needing to be pulled using the structure, first the horn-like suction nozzle of the elastic stayed pole 22 of the elastic sucker structure is elapsed out
Operating cavity 32 is pulled, being then close to the horn-like suction nozzle needs fixed pathological tissues surface, then by elastic sucker structure
22 tail end of elastic stayed pole connection negative pressure, the absorption of the horn-like suction nozzle of stayed pole 22 tightly is in lesion under the action of negative pressure
Tissue surface.It needs only to need to continue the J-shaped head end of the moulding elastic stayed pole 22 of J-shaped elapsing out drawing operating cavity during drawing
32, under the elastic acting force of the moulding elastic stayed pole 22 of J-shaped, pathological tissues can be pulled suspention, be needed so as to expose
Continue the free pathological tissues position of cutting.The advantages of this embodiment is not damaged to organizing, but its shortcoming is also very
Substantially, when the elastic stayed pole 22 of elastic sucker structure blocks, connected in 22 tail end of elastic stayed pole of elastic sucker structure
Negative pressure pressure can not be communicated to horn-like suction nozzle, it is fixed unsuccessfully to lead to not ensure drawing suspension effectiveness.
As shown in Figure 10, drawing operating cavity 32 exit site sets drawing fixing device 24, for by stayed pole 22
It is fixed temporarily with operating sleeve 3.The drawing fixing device 24 is used to stayed pole 22 to be temporarily fixed at operating sleeve 3 temporarily
Exit site, scope drawing system 2 is made not occur relatively reliable when free pathological tissues pull suspention to having cut
Larger offset, person easy to operation feel at ease to continue to swim the cutting of pathological tissues more deep position using scope diced system 1
From operation.When drawing suspension effectiveness is dissatisfied, drawing fixing device 24 need to be only unclamped, adjusts the increase exposure of stayed pole 22 again
Go out to pull the moulding length of the J-shaped of operating cavity 32, you can increase suspention height, enhance suspension effectiveness.Then drawing is reused
Stayed pole 22 is temporarily fixed at the exit site of operating sleeve 3 by fixing device 24, reuse scope diced system 1 continue into
Row dissociates operation to the cutting of pathological tissues more deep position.
Fixing device 24 is pulled there are many embodiment, as shown in Figures 10 and 11, is used for the present invention a kind of more simple
Single embodiment.I.e.：The drawing fixing device 24 includes being arranged on drawing 32 exit site of operating cavity and drawing operating cavity
The soft card cylinders 25 of 32 connections and it is nested with non-closed annular retainer ring 26 in soft 25 outer wall of card cylinder.22 movable sleeve of stayed pole
It puts in soft 25 intracavitary of card cylinder.The 26 corresponding non-closed end opposite face of annular collar sets matched latch 27, institute respectively
Stating 26 corresponding non-closed end of annular collar can will be nested in the stayed pole 22 being fixed temporarily in soft card cylinder 25 by latch 27
It is fixed temporarily.
Soft card cylinder 25 is connected to drawing 32 exit site of operating cavity, soft 25 barrel chamber of card cylinder and drawing operating cavity 32
Inner cavity fix connection, and 22 activity of stayed pole be nested with soft 25 barrel chamber of card cylinder with drawing operating cavity 32 inner cavity in.It is described
Soft card cylinder 25 sets recess in the middle part of barrel, and both ends set annular lug, and the non-closed annular retainer ring 26 is set in soft
In the ring-shaped depression at 25 middle part of matter card cylinder, wrapping structure of the section more than a full circle is integrally formed in non-closed annular retainer ring 26,
In the non-closed end opposite face of non-closed annular retainer ring 26, matched latch 27 is set respectively.It is temporarily solid to stayed pole 22 when needing
Periodically, the opposite slip of matching latch 27 that non-closed annular retainer ring 26 sets its non-closed end opposite face is operated, is made non-closed
The annular ring tightening of annular collar 26, sets matched latch 27 that annular ring is made to tighten effect by layer surface inside and outside non-closed end
It cannot retreat, and then strengthen oppressing being arranged on soft 25 outer surface of card cylinder in 26 class annular ring of non-closed annular retainer ring, pass through
The deformation of soft card cylinder 25 finally makes soft 25 inner surface of card cylinder enhance the compressing of stayed pole 22, reaches that stayed pole 22 is interim
It is fixed on the purpose of the exit site of operating sleeve 3.
When needing to loosen stayed pole 22, it is only necessary to by the latch 27 of 26 non-closed end outer layer of non-closed annular retainer ring along stayed pole
The 22 parallel passage of long axis direction makes the fixed pass of the latch 27 of non-closed end outer layer and 27 latch of latch of non-closed end internal layer
System departs from.Under non-closed annular retainer ring 26 elastic reaction of itself, the class annular ring of non-closed annular retainer ring 26 becomes larger, and pair sets
Soft 25 pressure of card cylinder put in the class annular ring of non-closed annular retainer ring 26 reduces, you can reaches and loosens drawing operating cavity 32
The purpose of stayed pole 22 in inner cavity.
In a word：The configuration of the present invention is simple, can be by setting in stomach and intestine when endoscopic surgeries cutting dissociates larger pathological tissues
The scope drawing system 2 put in operating sleeve 3 carries out suspention drawing to pathological tissues, and fully exposing endoscopic surgery needs to grasp
Procedure efficiency is improved at the position of work, increases operation safety.It is simple in structure, it is of low cost, it is worth in clinical expansion.
Claims (7)
1. a kind of endoscopic surgery knife with pulling device, the scope including being used for the removal lesion tissue in endoscopic surgery cuts system
System（1）, for pulled under scope pathological tissues exposure cutting part and by cutting part under the endoscope camera head with
It is shown in display screen, uses scope diced system convenient for surgical doctor（1）The scope drawing system accurately cut（2）And it is used for
By scope diced system（1）With scope drawing system（2）It is transmitted to the operating sleeve at interior arthroscopic diagnosis position（3）, it is characterized in that：
The scope drawing system（2）Including be arranged on head end for and the gland that is fixed temporarily of pathological tissues（21）And gland
（21）The head end J-shaped of connection it is moulding for pulling the elastic stayed pole at pathological tissues exposure endoscope operation position（22）、
Be arranged on stayed pole（22）Tail end is convenient for surgical doctor to scope drawing system（2）The drawing handle operated（23）；Institute
State operating sleeve（3）Interior setting cutting operation chamber（31）The embedded scope diced system of activity（1）, the operating sleeve（3）Inside set
Put drawing operating cavity（32）The embedded scope drawing system of activity（2）；The scope diced system（1）Operation lever and stayed pole
（22）Length be all higher than operating sleeve（3）Length；The scope diced system（1）It can be in cutting operation chamber（31）It cuts on interior edge
Cut operating cavity（31）Long axis is slided scope diced system（1）Cutting head be exposed to cutting operation chamber（31）Head end outside,
The stayed pole（22）It can be in drawing operating cavity（32）Interior edge drawing operating cavity（32）Long axis is slided gland（21）And J-shaped modeling
The stayed pole of shape（22）Head end is exposed to drawing operating cavity（32）Head end outside；The moulding stayed pole of the J-shaped（22）Head end
Exposed to drawing operating cavity（32）Head end outside when stayed pole（22）The head end of J-shaped plasticity is to away from cutting operation chamber（31）Side
To offset；The stayed pole（22）At least one section of section is arranged to noncircular cross section, with noncircular cross section stayed pole（22）It is right
Answer the drawing operating cavity at position（32）Section is also configured as matched noncircular cross section, noncircular cross section drawing operating cavity（32）'s
Length is more than noncircular cross section stayed pole（22）Length；
The drawing operating cavity（32）Exit site sets drawing fixing device（24）, for by stayed pole（22）And operating sleeve
（3）It is fixed temporarily；
The drawing fixing device（24）Including being arranged on drawing operating cavity（32）Exit site and drawing operating cavity（32）Connection
Soft card cylinder（25）And it is nested in soft card cylinder（25）The non-closed annular retainer ring of outer wall（26）；The stayed pole（22）Activity
It is nested in soft card cylinder（25）Intracavitary；The annular collar（26）Corresponding non-closed end opposite face sets matched latch respectively
（27）, the annular collar（26）Corresponding non-closed end can pass through latch（27）It will be nested with and be fixed temporarily soft card cylinder（25）
Interior stayed pole（22）It is fixed temporarily.
2. the endoscopic surgery knife with pulling device according to claim 1, it is characterized in that：The gland（21）Including setting
There is the small tip of small hangnail.
3. the endoscopic surgery knife with pulling device according to claim 1, it is characterized in that：The gland（21）Including loudspeaker
Shape suction nozzle, the stayed pole correspondingly（22）Elastic sucker is arranged to, and in stayed pole（22）Exposed to drawing operating cavity
（32）Tail end set negative port.
4. the endoscopic surgery knife with pulling device according to claim 1, it is characterized in that：The drawing operating cavity（32）Inner wall
Or stayed pole（22）Outer wall is coated with hydrophilic coating.
5. the endoscopic surgery knife with pulling device according to claim 1, it is characterized in that：The cutting operation chamber（31）Inner wall
Or scope diced system（1）Operation lever outer wall be coated with hydrophilic coating.
6. the endoscopic surgery knife with pulling device according to claim 1, it is characterized in that：The noncircular cross section drawing operation
Chamber（32）With noncircular cross section stayed pole（22）Section includes class ellipse, class rectangle, class pentagon.
7. the endoscopic surgery knife with pulling device according to claim 1, it is characterized in that：The noncircular cross section stayed pole
（22）It is arranged on the moulding stayed pole of J-shaped（22）Head end and close on the moulding stayed pole of J-shaped（22）The position of head end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096505.1A CN105640615B (en) | 2016-02-22 | 2016-02-22 | Endoscopic surgery knife with pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096505.1A CN105640615B (en) | 2016-02-22 | 2016-02-22 | Endoscopic surgery knife with pulling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105640615A CN105640615A (en) | 2016-06-08 |
| CN105640615B true CN105640615B (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610096505.1A Expired - Fee Related CN105640615B (en) | 2016-02-22 | 2016-02-22 | Endoscopic surgery knife with pulling device |
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| WO2008068107A1 (en) * | 2006-12-04 | 2008-06-12 | Ethicon Endo-Surgery, Inc. | Device for endoluminally or laparoscopically grasping and excising a tissue sample from areas in a patient's body |
| CN103826551A (en) * | 2011-07-22 | 2014-05-28 | 马丁·芬德里希 | Instrument set for treating stenoses of the spinal canal |
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| CN205433835U (en) * | 2016-02-22 | 2016-08-10 | 高宏 | Take endoscopic surgery sword of tractive device |
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| Publication number | Publication date |
|---|---|
| CN105640615A (en) | 2016-06-08 |
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Effective date of registration: 20180425 Address after: 215025 Zhongnan street, Suzhou Industrial Park, Jiangsu Province, No. 92 Applicant after: Attached children's hospital of University Of Suzhou Address before: 214023 Department of Anesthesiology, Wuxi people's Hospital, No. 299 Qingyang Road, Nanchang District, Wuxi, Jiangsu Applicant before: Gao Hong |
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