CN107753092A - Intracavitary Endarterectomy device - Google Patents
Intracavitary Endarterectomy device Download PDFInfo
- Publication number
- CN107753092A CN107753092A CN201711234081.1A CN201711234081A CN107753092A CN 107753092 A CN107753092 A CN 107753092A CN 201711234081 A CN201711234081 A CN 201711234081A CN 107753092 A CN107753092 A CN 107753092A
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- China
- Prior art keywords
- pipe
- intracavitary
- thorn
- main
- actuator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000013171 endarterectomy Methods 0.000 title claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 7
- 230000001737 promoting effect Effects 0.000 claims description 6
- 206010058109 Hangnail Diseases 0.000 claims description 5
- 230000000977 initiatory effect Effects 0.000 claims description 5
- 210000004204 blood vessel Anatomy 0.000 abstract description 5
- 206010020718 hyperplasia Diseases 0.000 abstract description 5
- 208000002847 Surgical Wound Diseases 0.000 abstract description 3
- 230000002792 vascular Effects 0.000 description 9
- 239000011229 interlayer Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 210000001105 femoral artery Anatomy 0.000 description 3
- 239000007779 soft material Substances 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000031104 Arterial Occlusive disease Diseases 0.000 description 1
- 208000005189 Embolism Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 208000021328 arterial occlusion Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002601 radiography 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
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
-
- 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
- A61B17/32002—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating cutting instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320758—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a rotating cutting instrument, e.g. motor driven
-
- 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
- A61B17/32002—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating cutting instruments
- A61B2017/320032—Details of the rotating or oscillating shaft, e.g. using a flexible shaft
-
- 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
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B2017/320741—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions for stripping the intima or the internal plaque from a blood vessel, e.g. for endarterectomy
Abstract
The present invention discloses a kind of intracavitary Endarterectomy device, including：First pipe, its first end are that inner membrance can be peeled off to the stripping head of cavity wall；Second pipe, its first end are stretched into from the second end of the first pipe and can stretched out from the first end of the first pipe, and it is matched somebody with somebody with the activity of the first pipe and merges energy reciprocating rotary；Outlet, it is arranged at the outer wall of the first end of second pipe；Passage, its one end connect the outlet, and its other end extends through second inside pipe wall to the second inside pipe wall direction；Thorn, it is movably set in the passage, and it includes main barbed end；Actuator, for its movable set in second pipe, it can drive the main barbed end of the thorn to stretch out the outlet.When being performed the operation using the present invention, without cutting blood vessel, surgical wound is small (minimally invasive), is avoided that artificial narrow caused by cutting, suturing.The endangium of hyperplasia can integrally be divested, reduce the incidence of ISR.
Description
Technical field
The present invention relates to operating theater instruments, particularly intracavitary Endarterectomy device.
Background technology
Due to growth in the living standard, the arrival of aging society, the arterial occlusion lesion incidence of disease increases year by year, example
Such as, common femoral artery,superficial inner membrance patch.Divide during operation, it is necessary to first by inner membrance and middle film peel off with inner membrance pre-cut apparatus
Open, reach after making a reservation for excision position, then together cut off inner membrance together with patch with Endometrectomy apparatus.It is pre- using existing inner membrance
Cutting machine and Endometrectomy apparatus carry out surgical operation, it is necessary to cut intravascular space, and surgical wound is big, easily cause because cutting,
It is artificial narrow caused by suture, and tradition strips off ring there is great uncertainty in the processing of interior diaphragm distal end.If
Using the intracavitary technology such as balloon expandable, stenter to implant, then inner membrance be present and continue hyperplasia, the possibility of reangiostenosis.And newly emerge
Endovascular peeling knife, then the defects of complex operation, more time-consuming be present.
For this reason, it may be desirable to seek a kind of technical scheme, at least to mitigate above mentioned problem.
The content of the invention
The technical problem to be solved in the present invention is to provide the chamber of a kind of minimally invasive, inner membrance pre-cut and Endometrectomy continuous operation
Interior Endarterectomy device.
In order to solve the above technical problems, the present invention uses following technical proposals.
A kind of intracavitary Endarterectomy device, including：
First pipe, its first end are that inner membrance can be peeled off to the stripping head of cavity wall；
Second pipe, its first end stretched into from the second end of first pipe and can from the stretching of the first end of first pipe, its with
First pipe activity can reciprocating rotary with merging；
Outlet, it is arranged at the outer wall of the first end of second pipe；
Passage, its one end connect the outlet, and its other end is extended through in second pipe to the second inside pipe wall direction
Wall；
Thorn, it is movably set in the passage, and it includes main barbed end；
Actuator, for its movable set in second pipe, it can drive the main barbed end of the thorn to stretch out the outlet.
The actuator drives the main barbed end of the thorn to stretch out the outlet in the second pipe internal rotation.
The thorn that end end face relative with the main barbed end, which has, stirs carrier, and the actuator stirs carrier with this
Corresponding position has raised clicking section；Or the thorn that end relative with the main barbed end passes through first rotating shaft and institute
State actuator flexible connection.
The first extreme direction movement driving to second pipe should in the second pipe interior edge second pipe axial direction for the actuator
The main barbed end of thorn stretches out the outlet.
The thorn that end end face relative with the main barbed end has push carrier, the actuator and the push carrier
Corresponding position has push part.
The push part can stretch into the passage；Or the push part is formed with the wedge for promoting the push carrier
Shape structure.
The hangnail that opposite direction of the thorn with edge and the main barbed end bearing of trend extends, and when the main barbed end is stretched
After going out the outlet, the thorn that end relative with the main barbed end is restricted in the passage.
Second end end face of first pipe has the groove annular in shape around itself endoporus, movable set in the groove
There are spaced apart hard ring, soft ring and the hardness regulation stretched into and be set in the groove from the second end of first pipe
Pipe.
The hardness regulation pipe with described first pipe by screw thread pair be flexibly connected and can in the groove reciprocating rotary.
Also include circumferentially around in first pipe first end outer wall, annular in shape, flexible trap and
Line is tightened up, one end of the trap is fixed with first pipe, and the other end of the trap is to the first end end face of first pipe
Direction extends and can tighten up closure by tightening up line, and two free ends for tightening up line extend to the second extreme direction of first pipe.
Also include be movably connected on this first pipe and can reciprocating rotary recovery knob, two free ends for tightening up line with
The recovery knob connects, and rotation recovery knob, this is tightened up line and is wound in the recovery knob.
Also include be arranged at second pipe it is first end outer wall, for the first end of second pipe to be positioned at into intracavitary
The Marking ring of narrow initiating terminal.
The present invention has following advantageous effects.
Exemplified by handling femoral artery,superficial patch, when being performed the operation using the present invention, femoral artery is punctured, inserts the blood vessel of suitable size
Sheath, seal wire is manipulated by hemadostewnosis section, radiography is observed and positions narrow section starting end position, exchanges and introduces first and second pipe
First end, and preset 2 is standby perclose blood vessel suture instruments.Then the second pipe is promoted, manually operated actuator, drives thorn
Main barbed end, which is stretched out, to be exported and is pierced into patch, then slightly rotates the second pipe along main barbed end direction, and patch is torn off into vascular wall, shape
It is grown up as interlayer.Then promote second pipe, road figure guiding under, stripping head is stretched between inner membrance and vascular wall, by inner membrance together with
Patch completely strips vascular wall.Withdraw from the first end of first and second pipe simultaneously again, tighten up perclose sutures when withdrawing from blood vessel immediately
Device, suture point of puncture.It can be seen that when being performed the operation using the present invention, without cutting intravascular space, surgical wound is small (minimally invasive), is avoided that
It is artificial narrow caused by cutting, suturing, the endangium of hyperplasia is integrally divested, can greatly reduce the generation of ISR
Rate.Meanwhile inner membrance pre-cut and Endometrectomy continuous operation, accomplish without any letup, operating time can be shortened.Performed the operation using the present invention,
Simple to operate, expense is low.
Brief description of the drawings
Fig. 1 is the structural representation of the intracavitary Endarterectomy device of the present invention.
Fig. 2 is a kind of structural representation of the second pipe of the present invention.
Fig. 3 by Fig. 2 the second pipes presented first end axial partial sectional view.
Fig. 4 be Fig. 2 along A-A to sectional view.
Fig. 5 is sectional views (a kind of structural representation that for of the invention thorn with actuator is connected) of the Fig. 2 along B-B direction.
Fig. 6 is a kind of structural representation of the thorn of the present invention.
Fig. 7 be Fig. 6 along C to view.
Fig. 8 is another structural representation that the thorn of the present invention is connected with actuator.
Fig. 9 is another structural representation of the thorn of the present invention.
Figure 10 be Fig. 9 along D to view.
Figure 11 be Fig. 9 along E to view.
Figure 12 by Fig. 2 the second pipes presented the second end axial partial sectional view.
Figure 13 is the structural representation of the ratchet mechanism of the present invention.
Figure 14 is another structural representation of the second pipe of the present invention.
Figure 15 by Figure 14 the second pipes presented first end axial partial sectional view.
Figure 16 be Figure 14 along F-F to sectional view.
Figure 17 be Figure 15 along G-G to sectional view.
Figure 18 is a kind of partial structural diagram of the actuator towards that end of first end of the second pipe.
Figure 19 be Figure 18 along H to view.
Figure 20 is the yet another construction schematic diagram of the thorn of the present invention.
Figure 21 be Figure 20 along I to view.
The push part that Figure 22 is presented by Figure 18,19 enters in passage structural representation when promoting thorn mobile.
Figure 23 is another partial structural diagram of the actuator towards that end of first end of the second pipe.
Figure 24 be Figure 23 along J to view.
The push part that Figure 25 is presented by Figure 23,24 enters in passage structural representation when promoting thorn mobile.
Figure 26 by Figure 14 the second pipes presented first end another axial partial sectional view.
Figure 27 by Figure 14 the second pipes presented the second end axial partial sectional view.
Figure 28 is the structural representation (push rod connector is not shown) of the delivery device of the present invention.
Figure 29 is the yet another construction schematic diagram of the second pipe of the present invention.
Figure 30 by Figure 29 the second pipes presented first end axial partial sectional view.
Figure 31 be Figure 29 along K-K to sectional view.
Figure 32 be Figure 29 along L-L to sectional view.
Figure 33 for Figure 29 along L-L to another structure sectional view (thorn of this figure and actuator attachment structure and Figure 32 institutes
The structure of presentation is different).
Figure 34 by Figure 29 the second pipes presented the second end axial partial sectional view.
Figure 35 is the structural representation of the first pipe of the present invention.
Figure 36 by Figure 35 the first pipes presented first end axial partial sectional view.
Figure 37 by Figure 35 the first pipes presented the second end axial partial sectional view.
Figure 38 is that the trap of the present invention is in the view for treating tightening state.
Figure 39 is that the trap of the present invention is in the view of tightening state.
Embodiment
For the technical characteristic of the present invention and effect can be described in detail, and can be realized according to the content of this specification, below
Embodiments of the present invention are further illustrated with reference to accompanying drawing.
Unless stated otherwise, the terms " first ", " second ", " the 3rd ", " the 4th " etc. do not represent order, also not generation
The importance for the term that table is arranged in pairs or groups therewith.
Fig. 1 illustrates a kind of intracavitary Endarterectomy device in numerous intracavitary Endarterectomy devices of the present invention
Embodiment.In the lump referring to Fig. 2-5, the intracavitary Endarterectomy device includes the first pipe 1, the second pipe 2, outlet 21, passage 24, thorn
3rd, actuator 4.
It is in the lump that inner membrance can be peeled off to the stripping head 11 of cavity wall referring to Figure 35,36, the first end of the first pipe 1.Stripping head
11 inwall is wedge shaped preferably, to be more conducive to inner membrance peeling off cavity wall.First pipe 1 is made preferably using soft material.First
Pipe 1 is that cylindrical structure is preferable.
Stretched into the lump referring to Fig. 2-5, the first end of the second pipe 2 from the second end of the first pipe 1, and can be from the of the first pipe 1
One end is stretched out.Second pipe 2 is matched somebody with somebody with the activity of the first pipe 1 and merges energy reciprocating rotary.In the embodiment that Fig. 2-5 is presented, the second pipe 2
It is preferable for cylindrical structure.
Imported for ease of the second pipe 2 in intracavitary, the first end of the second pipe 2 is provided with tapered guiding tip 23.
Outlet 21 is arranged at the outer wall of the first end of the second pipe 2.
In the lump referring to Fig. 5, the one end of passage 24 connection outlet 21, its other end extends through to the inwall direction of the second pipe 2
The inwall of second pipe 2.
It is movably set in the lump referring to Fig. 6,7, thorn 3 in passage 24, it includes main barbed end 31.Preferably, main barbed end 31 is
Pointed structures.
For the movable set of actuator 4 in the second pipe 2, it can drive the main barbed end 31 of thorn 3 to stretch out outlet 21.Actuator 4 is
It is cylindric preferable.
In the embodiment that Fig. 2-5 is presented, actuator 4 stretches out outlet in the main barbed end 31 of the internal rotation of the second pipe 2 driving thorn 3
21。
In the lump referring to Fig. 5-7,3 that end end faces relative with main barbed end 31 of thorn, which have, stirs carrier 32, and actuator 4 is with dialling
The corresponding position of dynamic carrier 32 has raised clicking section 41.It can be the indent positioned at corresponding end-faces to stir carrier 32
Cavity.When actuator 4 is in the second 2 internal rotation of pipe, clicking section 41, which is resisted against, stirs carrier 32, promotes thorn 3 along passage 24
To the movement of 21 directions of outlet, and main barbed end 31 is stretched out outlet 21 and be pierced into inner membrance, then along the main direction of barbed end 31
The second pipe 2 is slightly rotated, inner membrance is torn off into vascular wall, forms artificial interlayer.
Fig. 8 presents another constructive embodiment that the thorn 3 of the present invention is connected with actuator 4.In Fig. 8, thorn 3 and main barbed end
31 that relative end are flexibly connected by first rotating shaft 6 with actuator 4.In the lump referring to Fig. 9-11, Fig. 9 is the another of the thorn of the present invention
A kind of constructive embodiment, Figure 10 be Fig. 9 along D to view, Figure 11 be Fig. 9 along E to view.Thorn 3 is relative with main barbed end 31
That end is provided with first through hole 34, and it is provided with groove 35, bottom surface and the corresponding positions of actuator 4 of the groove towards that face of actuator 4
The outer wall put is adapted preferably.The phase of thorn 3 for ease of being presented with Fig. 9-11 is flexibly connected, for example, can be the one of actuator 4
Outer wall near the end face of end is opened along the outer wall circumferentially extending groove, and the distance between the groove and the end face and the width of groove 35 are mutually fitted
Match somebody with somebody or the width less than groove 35, then this sets the second through hole (not shown) through the end face and groove, first rotating shaft 6 is lived
It is dynamic to be threaded onto in the through hole of first through hole 34 and second, so as to which 3 that ends relative with main barbed end 31 of thorn are passed through into first rotating shaft 6 and drive
Moving part 4 is flexibly connected.When actuator 4 is in the second 2 internal rotation of pipe, main barbed end 31 is located in passage, and thorn 3 is around 6 turns of first rotating shaft
It is dynamic, and under the promotion of first rotating shaft 6, thorn 3 moves along passage 24 to 21 directions of outlet, and finally makes main barbed end 31 stretch out
Mouth 21 is simultaneously pierced into inner membrance, then slightly rotates the second pipe 2 along the main direction of barbed end 31, and inner membrance is torn off into vascular wall, is formed artificial
Interlayer.
Referring to Figure 12, Figure 12 by Fig. 2 the second pipes presented the second end axial partial sectional view.Actuator 4 and
Ratchet mechanism 8 is provided between two pipes 2.
In the lump referring to Figure 13, ratchet mechanism 8 includes the ratchet 81 being flexibly connected with the inwall of the second pipe 2 and is set in driving
The ratchet 82 of part 4.
In order to facilitate rotary drive 4, the second end of the second pipe 2 is set with formed with knob connecting portion 22, actuator knob 7
Actuator 4 is fixed on, and is flexibly connected with knob connecting portion 22 and can be around own axes reciprocating rotary.Connect being provided with knob
In the case of socket part 22, preferably, ratchet 81 is flexibly connected with the inwall of knob connecting portion 22, ratchet 82 is set in actuator 4.
Figure 14 is the embodiment of another structure of the second pipe of the present invention.Figure 15 by Figure 14 the second pipes presented
The axial partial sectional view of one end.Figure 16 be Figure 14 along F-F to sectional view.Figure 17 be Figure 15 along G-G to sectional view.Driving
The main barbed end 31 that part 4 can axially move driving thorn 3 in the second pipe 2 along the second pipe 2 to the first extreme direction of the second pipe 2 stretches out
Mouth 21.
In the lump referring to Figure 18-21,3 that end end faces relative with main barbed end 31 of thorn have a push carrier 36, actuator 4 and
The corresponding position of push carrier 36 has push part b.In the embodiment that Figure 15,17,18,19 are presented, push part b is in cylinder
Shape, it can be stretched into passage 24, and under this structure, push part b is made up preferably of soft material.In the lump referring to Figure 22, work as driving
When 2 the second pipe of interior edge of the second pipe 2 axially moves to the first extreme direction of the second pipe 2, push part b is stretched into passage 24 part 4, is pushed away
The portion b of sending is resisted against push carrier 36, promotes thorn 3 to be moved along passage 24 to 21 directions of outlet, and finally stretch out main barbed end 31
Outlet 21 is simultaneously pierced into inner membrance, then slightly rotates the second pipe 2 along the main direction of barbed end 31, and inner membrance is torn off into vascular wall, forms people
For interlayer.
Actuator is presented towards the reality of another structure at that end of first end of the second pipe referring to Figure 23,24, Figure 23,24
Apply example.The embodiment difference that the embodiment is presented with Figure 18,19 is that push part b pushes carrier formed with promotion
36 wedge structure b1.In the lump referring to Figure 25,26, when actuator 4 in 2 the second pipe of interior edge of the second pipe 2 axially to the of the second pipe 2
When one extreme direction moves, wedge structure b1 is resisted against push carrier 36, promotes thorn 3 to be moved along passage 24 to 21 directions of outlet,
And main barbed end 31 is stretched out outlet 21 and be pierced into inner membrance, then the second pipe 2 is slightly rotated along the main direction of barbed end 31, by
Film tears off vascular wall, forms artificial interlayer.
In the lump referring to Figure 27,28, in certain embodiments, present invention additionally comprises be arranged between the second pipe 2 and actuator 4
Delivery device 9, the delivery device 9 includes being fixed on the push rod connector a and push rod 91 of the second pipe 2；Push rod 91 is lever,
The point that one end of push rod 91 is flexibly connected with push rod connector a is the fulcrum of lever；It is movable with actuator 4 between the both ends of push rod 91
Connection.Such as the first end of push rod 91 by the second rotating shaft 92 be flexibly connected can around the second rotating shaft 92 to the second pipe 2 first
End or the second extreme direction are rotated, and the mounting hole 94 extended along its length, the outer wall of actuator 4 are offered between the both ends of push rod 91
Lug boss 93 is provided with, the activity of lug boss 93 is threaded onto in mounting hole 94.Promote push rod 91, push rod 91 is around the second rotating shaft 92 to the
First extreme direction of two pipes 2 rotates, and lug boss 93 moves along mounting hole 94 to the direction of the second rotating shaft 92, so as to promote actuator 4
Moved to the first extreme direction of the second pipe 2.Preferably, lug boss 93 is cylindrical.
Referring to Figure 28, push rod 91 has two, is connected to form door type structure with the second end of push rod 91 by connecting rod 95, has
Actuator 4 is forced in beneficial to balance when promoting.
Referring to Fig. 6,9,20, in certain embodiments, thorn 3, which has along with the opposite direction of the main bearing of trend of barbed end 31, to be extended
Hangnail 33, and when main barbed end 31 stretch out outlet 21 after, thorn 3 that ends relative with main barbed end 31 be restricted in passage 24,
Hangnail 33 hooks inner membrance during to be pierced into, and avoids main barbed end 31 from being come off from inner membrance, inner membrance more conducively is torn off into vascular wall.Such as
Under this structure, during operation, the second pipe 2 can rotate to the direction of hangnail 33, so that inner membrance more reliably is torn off into vascular wall.
Figure 29 is the another embodiment of the second pipe of the present invention.It is in Fig. 2 referring to Figure 30-34, the embodiment in the lump
Existing embodiment difference is：Limiting section 25 is additionally provided with, one end of limiting section 25 and the first end inwall of the second pipe 2 connect
Connect, the other end extends to the second extreme direction of the second pipe 2, has between the inwall of the outer wall of limiting section 25 and the second pipe 2 in circle
The gap of tubular, actuator 4 are located in the gap, can be rotated around the limiting section 25.In addition, other are in Fig. 2
Existing embodiment is identical.
The pipe 2 of limiting section 25 and second is made into integration preferably, such as, have in the second end end face of the second pipe 2 around itself
The groove in annular shape of endoporus, the part between the groove and the endoporus of the second pipe 2 form limiting section 25.Limiting section 25 is in circle
Tubular is preferable.
In the embodiment that Figure 14 is presented, limiting section 25, one end of limiting section 25 and the first end of the second pipe 2 are additionally provided with
Inwall connects, and the other end extends to the second extreme direction of the second pipe 2, has between the inwall of the outer wall of limiting section 25 and the second pipe 2
There is cylindrical gap, actuator 4 is located in the gap, can be moved along the axial reciprocating of limiting section 25, in this case,
Limiting section 25 plays rock-steady structure, limition orientation.
It is understood that the second pipe 2 of the embodiment that Figure 14 is presented can also be using the embodiment that Fig. 2 is presented
The structure of second pipe 2, i.e., without limiting section 25.
Referring to Figure 35,36, such as, when the first pipe 1 is made of soft material, the second end end face of the first pipe 1 has ring
Around the groove 12 annular in shape of itself endoporus, spaced apart hard ring c, soft ring d (i.e. one are movably installed with the groove 12
Individual hard ring c, a soft ring d, another hard ring c, a soft ring d, the like arrangement) and from the first pipe 1
Second end is stretched into and is set in the hardness regulation pipe e in groove 12.Hardness regulation pipe e is that cylindrical structure is preferable.During operation, to blood
The first pipe 1 is promoted in tube cavity, under the guiding of road figure, according to blood vessel traveling path drives hardness regulation pipe e to the first pipe 1 the
One extreme direction moves, and compresses hard ring c, soft ring d, and the first pipe 1 is hardened close to the part hardness of stripping head 11；Drive hardness
Regulation pipe e to the second extreme direction of the first pipe 1 move when, the first pipe 1 softens close to the part hardness of stripping head 11.So as at least
Realize that the first pipe 1 is adjustable close to the part hardness soft durometer of stripping head 11.
Referring to Figure 37, hardness regulation pipe e and the first pipe 1 by screw thread pair 13 be flexibly connected and can in the groove 12 it is reciprocal
Rotation.Part hardness for convenience of the first pipe 1 of regulation close to stripping head 11, hardness regulation pipe e are not set in that in groove 12
End is provided with hardness adjusting knob f.Hardness adjusting knob f is provided with the discrepancy that the second pipe of confession 2 connected with the endoporus of the first pipe 1 passes in and out
Mouth f1.
Referring to Figure 35-39, present invention additionally comprises circumferentially around in the first pipe 1 it is first end outer wall, annular in shape, have
The trap i of elasticity and line h is tightened up, trap i one end is fixed with the first pipe 1, and the trap i other end is to the first pipe 1
First end end face direction extend and closure can be tightened up by tightening up line h, tighten up line h two free ends to the second end side of the first pipe
To extension.Wherein, when the arrow in Figure 39 represents to tighten up trap i, line h moving direction is tightened up.During operation, inner membrance tears off blood
After tube wall forms artificial interlayer, the second pipe 2 is fixed, and pushes away the first pipe 1 forward, the inner membrance of hyperplasia is completely stripped and is received into
In one pipe 1.Then tighten up line h to draw to the second extreme direction of the first pipe 1, trap i prolongs to the first end end face direction of the first pipe 1
Closure is tightened up in that end stretched by tightening up line h, tenses trap i, smoothly cut off interior diaphragm end and by the inner membrance under peeling off and
Patch is intactly accommodated in the first pipe 1.It can be seen that the present invention uses above-mentioned trap i and tightens up line h structure, biography is improved
System strips off the distal end uncontrollability caused by ring, and the endangium of hyperplasia is integrally divested and stored, can greatly be reduced again narrow
Narrow incidence, inner membrance can also be avoided in art, which to come off, causes the risk of embolism.Meanwhile inner membrance pre-cut and Endometrectomy, recovery
Continuous operation, accomplish without any letup, operating time can be shortened.
In certain embodiments, present invention additionally comprises the recovery knob for being movably connected on first pipe 1 and energy reciprocating rotary
G, two free ends for tightening up line h are connected with recovery knob g, and rotation recovery knob g, this is tightened up line and is wound in recovery knob g,
Trap i is tensed to facilitate.
For ease of reaching the positioning of the narrow initiating terminal of intracavitary to the first end of the second pipe 2, present invention additionally comprises be arranged at
First end outer wall, for the first end of the second pipe 2 to be positioned to the narrow initiating terminal of intracavitary the Marking ring 5 of two pipes 2.Promote the
During two pipes 2, when Marking ring 5 is located at narrow initiating terminal, stop promoting the second pipe 2, pushed away with positioning the first end of the second pipe 2
The position entered.
It should be noted that each particular technique feature described in above-mentioned embodiment, in reconcilable feelings
Under condition, it can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention is to various possible groups
Conjunction mode is not described further.
Above with reference to embodiment to the present invention have been described in detail, it is illustrative and not restrictive, is not taking off
From changing and modifications under present general inventive concept, within protection scope of the present invention.
Claims (12)
- A kind of 1. intracavitary Endarterectomy device, it is characterised in that including：First pipe, its first end are that inner membrance can be peeled off to the stripping head of cavity wall；Second pipe, its first end are stretched into from the second end of first pipe and can stretched out from the first end of first pipe,It is matched somebody with somebody with first pipe activity and merges energy reciprocating rotary；Outlet, it is arranged at the outer wall of the first end of second pipe；Passage, its one end connect the outlet, and its other end extends through second inside pipe wall to the second inside pipe wall direction；Thorn, it is movably set in the passage, and it includes main barbed end；Actuator, for its movable set in second pipe, it can drive the main barbed end of the thorn to stretch out the outlet.
- 2. intracavitary Endarterectomy device according to claim 1, it is characterised in that the actuator is in the second pipe inward turning Turn to drive the main barbed end of the thorn to stretch out the outlet.
- 3. intracavitary Endarterectomy device according to claim 2, it is characterised in that relative with the main barbed end of the thorn End end face, which has, stirs carrier, and the actuator stirs the corresponding position of carrier with this has raised clicking section；Or Person, the thorn that end relative with the main barbed end are flexibly connected by first rotating shaft with the actuator.
- 4. intracavitary Endarterectomy device according to claim 1, it is characterised in that the actuator is in the second pipe interior edge First extreme direction movement of second pipe axially to second pipe drives the main barbed end of the thorn to stretch out the outlet.
- 5. intracavitary Endarterectomy device according to claim 4, it is characterised in that relative with the main barbed end of the thorn Hold end face that there is push carrier, the actuator position corresponding with the push carrier has push part.
- 6. intracavitary Endarterectomy device according to claim 5, it is characterised in that the push part can stretch into described logical Road；Or the push part is formed with the wedge structure for promoting the push carrier.
- 7. intracavitary Endarterectomy device according to claim 1, it is characterised in that the thorn has edge and the main barbed end The hangnail of the opposite direction extension of bearing of trend, and after the main barbed end stretches out the outlet, the thorn is relative with the main barbed end That end is restricted in the passage.
- 8. the intracavitary Endarterectomy device according to any one of claim 1 to 7, it is characterised in that the of first pipe Two ends end face have the groove annular in shape around itself endoporus, and spaced apart hard ring, soft is movably installed with the groove Matter ring and stretched into from the second end of first pipe and be set in the hardness regulation pipe in the groove.
- 9. intracavitary Endarterectomy device according to claim 8, it is characterised in that the hardness regulation pipe and described first Pipe by screw thread pair flexible connection and can in the groove reciprocating rotary.
- 10. the intracavitary Endarterectomy device according to any one of claim 1 to 7, it is characterised in that also include circumferentially around In first pipe first end outer wall, annular in shape, flexible trap and tighten up line, one end of the trap with First pipe is fixed, and the other end of the trap extends and can tightened up by tightening up line to the first end end face direction of first pipe Closure, two free ends for tightening up line extend to the second extreme direction of first pipe.
- 11. intracavitary Endarterectomy device according to claim 10, it is characterised in that also include be movably connected on this first The recovery knob of Guan Bingneng reciprocating rotaries, two free ends for tightening up line are connected with the recovery knob, rotation recovery knob, should Tighten up line and be wound in the recovery knob.
- 12. the intracavitary Endarterectomy device according to any one of claim 1 to 7, it is characterised in that also include being arranged at institute State first end outer wall, for the first end of second pipe to be positioned to the narrow initiating terminal of intracavitary the Marking ring of the second pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711234081.1A CN107753092B (en) | 2017-11-30 | 2017-11-30 | Intra-cavity intima stripping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711234081.1A CN107753092B (en) | 2017-11-30 | 2017-11-30 | Intra-cavity intima stripping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107753092A true CN107753092A (en) | 2018-03-06 |
| CN107753092B CN107753092B (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711234081.1A Active CN107753092B (en) | 2017-11-30 | 2017-11-30 | Intra-cavity intima stripping device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021526039A (en) * | 2018-04-19 | 2021-09-30 | シー・アール・バード・インコーポレーテッドＣ Ｒ Ｂａｒｄ Ｉｎｃｏｒｐｏｒａｔｅｄ | Catheter and related methods for active slicing / scoring |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021526039A (en) * | 2018-04-19 | 2021-09-30 | シー・アール・バード・インコーポレーテッドＣ Ｒ Ｂａｒｄ Ｉｎｃｏｒｐｏｒａｔｅｄ | Catheter and related methods for active slicing / scoring |
| JP2022126755A (en) * | 2018-04-19 | 2022-08-30 | シー・アール・バード・インコーポレーテッド | Catheter for active slicing/scoring, and related methods |
| JP7374123B2 (en) | 2018-04-19 | 2023-11-06 | シー・アール・バード・インコーポレーテッド | Catheters and related methods for active slicing/scoring |
| JP7405907B2 (en) | 2018-04-19 | 2023-12-26 | シー・アール・バード・インコーポレーテッド | Catheters and related methods for active slicing/scoring |
| US11918247B2 (en) | 2018-04-19 | 2024-03-05 | C.R. Bard, Inc. | Catheter for active slicing/scoring and related methods |
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