CN209347163U - Membrane-repturing device for Endovascular operation - Google Patents
Membrane-repturing device for Endovascular operation Download PDFInfo
- Publication number
- CN209347163U CN209347163U CN201820259102.9U CN201820259102U CN209347163U CN 209347163 U CN209347163 U CN 209347163U CN 201820259102 U CN201820259102 U CN 201820259102U CN 209347163 U CN209347163 U CN 209347163U
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- membrane
- conduit
- repturing device
- sacculus
- puncture needle
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- 229910052751 metal Inorganic materials 0.000 claims description 10
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- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229920002521 macromolecule Polymers 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
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- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 3
- 150000001336 alkenes Chemical class 0.000 claims 1
- 229920001400 block copolymer Polymers 0.000 claims 1
- 230000008384 membrane barrier Effects 0.000 abstract description 3
- 210000000709 aorta Anatomy 0.000 abstract 1
- 210000002489 tectorial membrane Anatomy 0.000 abstract 1
- 210000004379 membrane Anatomy 0.000 description 70
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- 210000004204 blood vessel Anatomy 0.000 description 13
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- 229920006132 styrene block copolymer Polymers 0.000 description 2
- 230000003319 supportive effect Effects 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 208000006017 Cardiac Tamponade Diseases 0.000 description 1
- 206010048725 Hydropneumothorax Diseases 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
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- 235000009074 Phytolacca americana Nutrition 0.000 description 1
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- 239000002253 acid Substances 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 238000001727 in vivo Methods 0.000 description 1
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- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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- 239000002504 physiological saline solution Substances 0.000 description 1
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Abstract
The utility model provides a kind of membrane-repturing device for Endovascular operation comprising: membrane puncture needle；Conduit has the first passage for being used to guide membrane puncture needle moving direction being axially arranged along conduit, and first passage has axially open in the distal end of the conduit, and membrane puncture needle is disposed through first passage and stretches out from the distal openings of conduit to carry out rupture of membranes operation；At least one positioning element that can be expanded and shrink, at least one positioning element is along the outer surface of the distal portions for being axially set in the conduit of conduit, for fixing the position of membrane-repturing device.The membrane-repturing device of the utility model can be used for the windowing of aorta tectorial membrane stent and tissue membrane barriers are abolished.
Description
Technical field
The utility model relates to a kind of medical apparatus, more specifically to a kind of for the intracavitary of Endovascular operation
The overlay film of overlay film frame or tissue membrane barriers abolish instrument.
Background technique
With the development of endoluminal vascular surgery and the popularization of Minimally Invasive Surgery, bracket class blood vessel prosthesis is gradually found to exist
Some shortcomings be easy to cause blood supply insufficiency when covering branch vessel such as overlay film frame, influence therapeutic effect and patient's life etc..Cause
This needs aperture in vivo for part overlay film frame, so that other external brackets etc. enter inside overlay film frame.
Existing interventional therapy is to guide membrane puncture needle to such as bracket overlay film or blood vessel diaphragm or stenosis by seal wire, by
Membrane puncture needle pokes film, and seal wire eliminates narrow section by film, guidance balloon expandable.It is to be directed at syringe needle with the key of membrane puncture needle
The center of film, and dynamics is appropriate, and if direction is not aligned with film center, to surrounding deviation, film is hard simultaneously, will lead to use
Power is excessive, so that blood vessel can be poked, is strayed into pleura or pericardium causes to jeopardize the hydropneumothorax of patients ' lives or pericardial tamponade.
In addition membrane puncture needle rupture of membranes is used, in the prior art due to longer from distance of the point of puncture to from film, support force is inadequate,
Dynamics is difficult to hold, and direction is difficult to control, and lacks the control of accurately positioning and penetration length, leads to that rupture of membranes difficulty is big, the time
It is long, success rate is not high, accidental injury rate is high, easily occur puncture position offset in operation and puncture through pursuit of advanced studies at poking blood vessel even accidentally
Enter pleura or pericardium causes unnecessary damage.
Utility model content
In view of these problems, the utility model aim is that providing one kind has good flexibility and blood vessel passability simultaneously
And the membrane-repturing device of positioning and stablizing effect well can be provided, to make up the deficiency of blood vessel prosthesis at this stage.
To achieve the goals above, the utility model provides a kind of membrane-repturing device, which is characterized in that including membrane puncture needle；It leads
Pipe has the first passage for being used to guide the membrane puncture needle moving direction being axially arranged along the conduit, and described first is logical
Road has axially open in the distal end of the conduit, and the membrane puncture needle is disposed through the first passage from the remote of the conduit
End opening is stretched out to carry out rupture of membranes operation；And at least one positioning element that can expand and shrink, it is described that at least one is fixed
Position component is along the outer surface of the distal portions for being axially set in the conduit of the conduit, for fixing the membrane-repturing device
Position；
In some embodiments, the positioning element is sacculus, and the conduit, which also has, to be connected with the sacculus
Second channel, by the second channel to the sacculus charge and discharge fluid to control the balloon inflation and contraction.For example, described
The quantity of second channel is equal to the quantity of the sacculus, and the second channel and sacculus correspond.
In some embodiments, the membrane-repturing device further includes control mechanism, and the control mechanism is set to the conduit
Proximal part and be connected with the distal portions of the conduit, for controlling the distal portion bends of the conduit.For example, institute
Stating control mechanism includes at least one traction fiber tractor corresponding at least one, and the distal end of the traction fiber is led with described
The distal end of pipe is mutually fixed, and the proximal end of the traction fiber is mutually fixed with tractor, adjusts the traction fiber by the tractor
Length is to control the bendings of the distal portions of the conduit.The conduit also has third channel, and the traction fiber passes through described
Third channel.The tractor can be knob, by rotating the knob to adjust the length of the traction fiber.
In some embodiments, the membrane-repturing device further includes membrane puncture needle travel adjustment, and the membrane puncture needle is arranged in
Proximal end, the length stretched out for adjusting the membrane puncture needle from the distal end of the conduit.
In some embodiments, the membrane puncture needle includes by sequentially connected hard tube, hose and syringe needle, and the syringe needle is used
It stretches out in from the distal openings of the conduit to carry out rupture of membranes operation.The hard tube and hose, the hose and the syringe needle are logical
It crosses welding or bonding is connected.For example, the syringe needle is made of metal or other hard materials, the hose is metal tube or gold
Belong to filament winding tubulation or macromolecule woven tube or hypotube, the hard tube is polymer tube or metal tube.
In some embodiments, the sacculus is made of high molecular material, and the high molecular material is selected from: nylon gathers
Acid imide, silica gel, styrene series thermoplastic elastomer SBS, one isoprene of styrene, one styrene block copolymer SIS,
POE,TPE,TPR,TPU.The sacculus can be compliant balloon, semi-compliant sacculus or non-compliance sacculus.The sacculus
Maximum outside diameter when expansion is 5-40mm, length 5mm-50mm.
In some embodiments, it is provided on the conduit in the wall of development point or the conduit containing development material
Material.
The utility model has following advantageous effects compared with the existing technology:
In the present invention, the setting of positioning element can accurately control the rupture of membranes position of membrane puncture needle, realize lumen of vessels
Interior accurate rupture of membranes.At least one inflatable positioning element shunk is capable of providing preferably support and positioning in the blood vessels and makees
With can according to need determining dilation dimension, can adapt to the blood vessel of each size within the scope of certain size, pass through simultaneously
The expansion of at least one positioning element can make conduit be in blood vessel center, and then break on the corresponding overlay film in branch vessel center
Film has preferable positioning and stablizing effect.The distal portions of conduit are arranged at least one positioning element, which can
Adjust bending, it may have good excessively curved performance and direction controllability.
By the way that membrane puncture needle to be set as being made of sequentially connected hard tube, flexible hose and syringe needle, so that flexible membrane puncture needle
Good excessively curved property and supportive are had both simultaneously, it is easier to be controlled by user to stretch out rupture of membranes by conduit.With distal end of catheter
Flexible hose similar in partial-length, it is ensured that corresponding guiding-tube bend part obtains better excessively curved performance, can be good at
Adapt to labyrinth blood vessel.
By setting tractor and traction fiber structure, it is also convenient for the direction that user controls the distal portions of membrane-repturing device conduit
It adjusts, can more preferably guide membrane-repturing device to target position.
The membrane-repturing device of the utility model is performed the operation for Endovascular, can be directed to the overlay film or tissue membrane barriers of overlay film frame
Deng carry out rupture of membranes, have good flexibility, blood vessel passability and direction controllability, can be provided for membrane puncture needle well positioning with
Stablizing effect is convenient for membrane puncture needle rupture of membranes on the corresponding overlay film in branch vessel center, solves the rupture of membranes of overlay film frame at this stage
Problem offers convenience to surgical, while simplifying such surgical procedure, has widened the scope of application of vascular procedure.
Detailed description of the invention
Fig. 1 is according to a kind of schematic diagram of the membrane-repturing device of embodiment of the utility model；
Fig. 2 is the sectional view of the membrane-repturing device in Fig. 1；
Fig. 3 is the enlarged section of the conduit in Fig. 1；
Fig. 4 is the enlarged diagram of the membrane puncture needle in Fig. 1；
Fig. 5 is the enlarged diagram of the control mechanism in Fig. 1；
Fig. 6 is the enlarged structure schematic diagram of conduit in Fig. 1, membrane puncture needle and traction fiber；
Fig. 7 is the enlarged diagram of the operation handle in Fig. 1；
Fig. 8 is the sectional view of the operation handle of Fig. 7；
Fig. 9 is the enlarged diagram of the filling liquid device in Fig. 1；
Figure 10 is the sectional view of the filling liquid device of Fig. 9；
Figure 11 is the enlarged diagram of the proximal part of the membrane-repturing device in Fig. 1；
Figure 12 is the sectional view of the proximal part of the membrane-repturing device of Figure 11.
1- membrane puncture needle；11- syringe needle；12- flexible pipe；13- steel pipe；2- conduit；21- first passage；22- second channel is (preceding
Sacculus filling liquid channel)；23- second channel (rear sacculus filling liquid channel)；24- third channel (traction fiber passages)；The tip 25-
(TIP)；Sacculus before 3-；Sacculus after 4-；5- control mechanism；51- tractor；52- traction fiber；6- operation handle；61- tractor
Stroke groove；62- traction fiber passages；63- rupture of membranes needle passageway；64- connecting hole；7- filling liquid device；Sacculus implementation of port before 71-；Before 72-
Sacculus filling liquid pipe；Sacculus implementation of port after 73-；Sacculus filling liquid pipe after 74-；75- membrane puncture needle rinse mouth；76- membrane puncture needle flushing pipe；8-
Membrane puncture needle handle；9- membrane puncture needle travel adjustment；81- seal wire rinse mouth.
Specific embodiment
It is described in detail below in conjunction with various aspects of the drawings and specific embodiments to the utility model.Wherein, attached
Component in figure is not necessarily drawn to scale, and focuses on that the principles of the present invention are illustrated.
In each embodiment of the utility model, well-known structure or material are not shown or do not make specifically
It is bright.Also, described feature, structure or characteristic can combine in any way in one or more embodiments.In addition, this
Field is it will be appreciated by the skilled person that following various embodiments are served only for for example, rather than limiting the present invention
Protection scope.Can also be readily appreciated that, the component in each embodiment described herein and shown in the drawings can by it is a variety of not
It is arranged and designs with configuration or ratio.
The utility model provides a kind of membrane-repturing device for Endovascular operation, which can be applied to branch vessel
Place carries out rupture of membranes to film of the overlay film frame at branch vessel.
Fig. 1 is according to a kind of schematic diagram of the membrane-repturing device of embodiment of the utility model, and Fig. 2 is the section of the membrane-repturing device
Figure, Fig. 3 is the enlarged section of conduit in Fig. 1.As depicted in figs. 1 and 2, the membrane-repturing device of the utility model include: membrane puncture needle 1,
Conduit 2 and two positioning elements 3,4 that can be expanded and shrink, wherein conduit 2 have along conduit be axially arranged for drawing
Lead the first passage 21 (as shown in Figure 3) of 1 moving direction of membrane puncture needle, first passage 21 is in the distal end of conduit (far from user
End) there is axially open, membrane puncture needle is disposed through first passage 21 and stretches out from the distal openings of conduit to carry out rupture of membranes operation；
Positioning element 3 and 4 is along the outer surface of the distal portions for being axially set in conduit of conduit, for fixing the position of membrane-repturing device.
Bending that the distal portions of conduit are adjustable has good excessively curved performance and direction controllability.In use, user will break
Diaphragm is delivered to target position, and by making two expansions of positioning element 3 and 4 to be positioned, membrane puncture needle passes through the first of conduit
Channel is stretched out from the axially open of conduit to carry out rupture of membranes operation.In optional embodiment, the quantity of positioning element is also unlimited
In two, it can be one, at least two (three or more) etc..
In some embodiments, the distal end of conduit 2 also has the tip (TIP) 25 for adapting to enter blood vessel, is led with facilitating
The movement of pipe in the blood vessels passes through.In some embodiments, it is provided on conduit in the wall of development point or conduit containing aobvious
Shadow material.For example, developing mark can be arranged at the TIP of conduit, such as it can be point or ring that coating developing material is formed
Deng or other can make the label to develop at the TIP of conduit, development point can also be set in the other positions of conduit, be used for
Show that conduit whether to target position, is conveniently adjusted and positions in use.
In the embodiments of the present invention, positioning element 3 and 4 may each be sacculus, by discharging to sacculus is full
Fluid (liquid or gas) is so that balloon inflation and contraction.At this point, conduit also has the second channel being connected with sacculus, lead to
Cross second channel and control to sacculus charge and discharge fluid the expansion and contraction of sacculus.Each sacculus can be by identical channel or logical
Cross the charge and discharge that different channels carries out fluid.In the present embodiment, the quantity of second channel is equal to the quantity of the sacculus, the
Two channels and sacculus correspond, and each sacculus carries out the charge and discharge of fluid by corresponding second channel respectively.In conjunction with Fig. 3
Shown, there are two second channels 22 and 23 for the tool of conduit 2, respectively correspond positioning element 3 (preceding sacculus) and (the rear ball of positioning element 4
Capsule), second channel 22 is preceding sacculus filling liquid channel, for 3 charge and discharge fluid of sacculus forward；Second channel 23 is logical for rear sacculus filling liquid
Road, for 4 charge and discharge fluid of sacculus backward.It in alternative embodiments, can also be by a second channel simultaneously to two
Sacculus carries out charge and discharge liquid, can second channel determine according to actual needs quantity.
In use, when two sacculus are in contraction state, without positioning, user can be moved brokenly
Diaphragm to target position can be by making two sacculus while expanding membrane-repturing device is fixed on blood vessel after determining target position
It is interior, or sacculus 4 is confirming that sacculus 3 further positions before reflation behind target position after can first expanding, vice versa.
Sacculus can be made of high molecular material, such as: nylon, polyimides, silica gel, styrene series thermoplastic elastomer
SBS, one isoprene of styrene one styrene block copolymer SIS, POE, TPE, TPR, TPU.Sacculus can be compliance ball
Capsule, semi-compliant sacculus or non-compliance sacculus.Maximum outside diameter when balloon inflation is 5-40mm, length 5mm-50mm,
The positioning element of other sizes can be selected according to application scenarios difference.
In some embodiments, positioning element is also possible to bracket, such as braided support, cutting support etc., can be with
Spherical in shape, shuttle shape or cylinder.It is woven for example, positioning element can be the silk made of wire or high molecular material
Braided support, or metal tube or polymer tube is cut by laser and the cutting support that is formed.When positioning element is bracket,
Can control the expansion and contraction of locating support by sheath, for example, can by control the double-deck sheath (locating support it is close
End distal end is mutually fixed with the double-deck sheath respectively) between relative movement to control the expansion and contraction of locating support.
In some embodiments it is possible to controlled by other mechanisms known in the art positioning element expansion and
It shrinks.Certainly, positioning element is also not necessarily limited to the design of above-mentioned sacculus, locating support, and those skilled in the art can basis
Actual needs selection any component that can be used for positioning known in the art.
Fig. 4 is the schematic diagram of the membrane puncture needle in Fig. 1.As shown in figure 4, membrane puncture needle 1 includes sequentially connected syringe needle 11, hose
12 and hard tube 13, syringe needle 11 is used to stretch out from the axially open of conduit to carry out rupture of membranes operation.For example, hard tube 13 and hose 12,
Hose 12 and syringe needle 11 Nian Jie can be fixed by welding or mutually respectively.Syringe needle can be made of metal or other hard materials,
Hose is metal tube or wire winding tube or macromolecule woven tube or hypotube, and hard tube is metal tube or polymer tube.One
In a little embodiments, the length of syringe needle is 2mm-50mm, outer diameter 0.3mm-5mm, convenient for passing through in the catheter.Wherein, hose
Length be 5mm-200mm, to realize the balance of curved property, passability and supportive.In some embodiments, membrane puncture needle can
Think hollow, has inner cavity with for passing through for seal wire.In this way, after rupture of membranes, hollow membrane puncture needle can guarantee seal wire after
Continuous follow-up avoids fault caused by a variety of instruments alternatings and operating time too long.In alternative embodiments, membrane puncture needle can also
Think flexible optical fibre (by laser rupture of membranes) or for the seal wire of film can be punctured.
As depicted in figs. 1 and 2, membrane-repturing device further includes control mechanism 5, and control mechanism 5 is set to the proximal part of conduit 2
(close to user) is simultaneously connected with the distal portions of conduit 2, and the distal portions for controlling conduit 2 are bent.In conjunction with Fig. 5
With shown in Fig. 6, control mechanism includes 1 traction fiber 52 and corresponding tractor 51, distal end and the conduit 2 of traction fiber 52
Distal end mutually fix, proximal end and 51 phase of tractor of traction fiber 52 are fixed, by tractor 51 adjust traction fiber 52 length with
Control the bending of the distal portions of conduit 2.In the present embodiment, traction fiber is passed through from the inside of conduit 2, and conduit 2 also has
Third channel 24 (as shown in Figure 3 and Figure 6), traction fiber 52 pass through third channel 24.Alternatively, the utility model its
In his embodiment, traction fiber also can be set and be attached to catheter outer surface outside conduit, can also pass through other structures control
The distal portions of conduit 2 processed are bent.Also, the quantity of traction fiber, tractor and third channel can also be according to practical need
It is arranged, quantity can be the same or different, for example, it is logical that 2 tractors, 2 traction fibers and 2 thirds can be set
Road, tractor each so respectively control the traction fiber by respective channel, so as to control the distal portions of conduit 2 to two
A different directions are bent；Or it can also control 2 with 1 tractor, 2 traction fibers and 2 third channels, tractor and lead
Draw silk, is bent with controlling the distal portions of conduit 2 to two different directions；Or it can also be with 1 tractor, 2 tractions
Silk and 1 third channel, tractor control 2 traction fibers, reinforce the strength of traction fiber in same channel, to control conduit 2
The bending degree that distal portions have range bigger；The quantity of third channel can be set according to required bending direction.
Tractor 51 includes the internal screw thread inside knob and knob, can rotate knob by the cooperation of internal screw thread to adjust
The length of whole traction fiber 52.Alternatively, it in the other embodiments of the utility model, can also be led by other kinds of
Lead device adjusts the length of traction fiber.
As shown in Figure 1, membrane-repturing device may also include the operation handle 6 for being set to the proximal end of conduit 2, conduit 2 is from operation handle 6
Extend to distal end and fixed with 6 phase of operation handle, operation handle 6 can be made of rubber or plastics, use convenient for user
It is held in journey.Control mechanism 5 can be set in operation handle 6 in order to user's operation.At this point, in conjunction with Fig. 6, Fig. 7 and Fig. 8
Shown, position corresponding with control mechanism is provided with tractor stroke groove 61 for the operating of tractor, behaviour in operation handle
It is additionally provided with the passing through for traction fiber of traction fiber passages 62 being connected with the third channel 24 of conduit as handle inner, operates
Handle inner is additionally provided with the rupture of membranes needle passageway 63 being connected with the first passage 21 of conduit for membrane puncture needle (hard tube part 13)
Pass through.Alternatively, in the other embodiments of the utility model, it also can be omitted operation handle.
As shown in Figure 1, membrane-repturing device may also include the filling liquid device 7 for being set to catheter proximal end.Fig. 9 is that filling liquid device is put in Fig. 1
Big schematic diagram, Figure 10 are the sectional views of the filling liquid device.In conjunction with Fig. 9, Figure 10 it is found that filling liquid device 7 is triple channel connector, can set
It is placed in operation handle 6 and is connected with operation handle (referring to figs. 7 and 8) by the connecting hole of operation handle 6 64, filled
Liquid device respectively includes filling for the preceding sacculus filling liquid pipe 72 and preceding sacculus that are connected with second channel 22 (preceding sacculus filling liquid channel)
Liquid mouth 71, the rear sacculus filling liquid pipe 74 being connected with second channel 23 (rear sacculus filling liquid channel) and rear sacculus implementation of port 73, with
And the membrane puncture needle flushing pipe 76 and membrane puncture needle rinse mouth 75 being connected with first passage 21, wherein by preceding sacculus implementation of port 71,
3 charge and discharge fluid of sacculus makes its dilation forward for preceding sacculus filling liquid pipe 72 and second channel 22, by rear sacculus implementation of port 73, after
4 charge and discharge fluid of sacculus makes its dilation backward for sacculus filling liquid pipe 74 and second channel 23, by membrane puncture needle rinse mouth 75 and breaks
Film needle flushing pipe 76 is to first passage delivering flushing liquor to be rinsed to delivery needle.It is alternatively possible to need by same
Corresponding two second channels of sacculus carry out charge and discharge liquid forwards, backwards simultaneously for filling liquid pipe and implementation of port, and filling liquid device can be not arranged in behaviour
Make on handle, membrane puncture needle rinse mouth and membrane puncture needle flushing pipe 76 can according to need the position being arranged in other than filling liquid device 7, can also
To be separately provided.
As shown in Figure 1, membrane-repturing device further includes the membrane puncture needle handle 8 positioned at proximal end, the proximal end (hard tube of the handle and membrane puncture needle
The proximal end of part 13) mutually fix, user can move membrane puncture needle 1 by membrane puncture needle handle 8 and move in conduit 2.
Optionally, at the proximal end of membrane puncture needle, membrane puncture needle handle 8, be additionally provided with travel adjustment 9, travel adjustment 9 with
Membrane puncture needle handle 8 is detachably connected (can also directly connect with the hard pipe section split-phase of membrane puncture needle when omitting handle 8), is used for
Adjust the length that membrane puncture needle is stretched out from the distal openings of conduit.For example, travel adjustment can be fastening screw, by tightening this
Fastening screw can lock membrane puncture needle (membrane puncture needle handle 8) and no longer move, and prevent membrane puncture needle from entering too long.
Optionally, at membrane puncture needle handle 8, it is additionally provided with seal wire rinse mouth 81, for rinsing leading in hollow membrane puncture needle
Silk.
The membrane-repturing device of the utility model is disposable.For example, disposable membrane-repturing device can be with protection disk
Pipe together sell by packaging, and when taking out membrane-repturing device, physiological saline can be used to rinse the membrane-repturing device.
The utility model terminology used herein and wording are just to for example, be not intended to constitute restriction.
It will be appreciated by those skilled in the art that under the premise of not departing from the basic principle of disclosed embodiment, to above-mentioned implementation
Each details in mode can carry out various change.Therefore, the protection scope of the utility model is only determined by claim, in right
In it is required that, unless otherwise indicated, all terms should be understood by the broadest reasonable meaning.
Claims (15)
1. a kind of membrane-repturing device for Endovascular operation characterized by comprising
Membrane puncture needle；
Conduit has the first passage for being used to guide the membrane puncture needle moving direction being axially arranged along the conduit, described
First passage has axially open in the distal end of the conduit, and the membrane puncture needle is disposed through the first passage and leads from described
The distal openings of pipe are stretched out to carry out rupture of membranes operation；
At least one positioning element that can be expanded and shrink, axial direction setting of at least one the described positioning element along the conduit
In on the outer surface of the distal portions of the conduit, for fixing the position of the membrane-repturing device.
2. membrane-repturing device according to claim 1, which is characterized in that the positioning element is sacculus, and the conduit also has
It is swollen to control the sacculus to the sacculus charge and discharge fluid by the second channel for the second channel being connected with the sacculus
Swollen and contraction.
3. membrane-repturing device according to claim 2, which is characterized in that the quantity of the second channel is equal to the number of the sacculus
Amount, the second channel and sacculus correspond.
4. membrane-repturing device according to claim 1 or 2 or 3, which is characterized in that the membrane-repturing device further includes control mechanism, institute
It states control mechanism to be set to the proximal part of the conduit and be connected with the distal portions of the conduit, for controlling described lead
The distal portion bends of pipe.
5. membrane-repturing device according to claim 4, which is characterized in that the control mechanism includes at least one traction fiber and extremely
A few corresponding tractor, the distal end of the traction fiber and the distal end of the conduit are mutually fixed, the proximal end of the traction fiber
It is mutually fixed with tractor, the length of the traction fiber is adjusted to control the curved of the distal portions of the conduit by the tractor
It is bent.
6. membrane-repturing device according to claim 5, which is characterized in that the conduit also has third channel, the traction fiber
Across the third channel.
7. membrane-repturing device according to claim 5, which is characterized in that the tractor is knob, by rotating the knob
To adjust the length of the traction fiber.
8. membrane-repturing device according to claim 1, which is characterized in that the membrane-repturing device further includes membrane puncture needle travel adjustment,
The proximal end of the membrane puncture needle is set, the length stretched out for adjusting the membrane puncture needle from the distal end of the conduit.
9. membrane-repturing device according to claim 1, which is characterized in that the membrane puncture needle includes by sequentially connected hard tube, soft
Pipe and syringe needle, the syringe needle are used to stretch out from the distal openings of the conduit to carry out rupture of membranes operation.
10. membrane-repturing device according to claim 9, which is characterized in that the hard tube and hose, the hose and the syringe needle
It is connected by welding or being bonded.
11. membrane-repturing device according to claim 9, which is characterized in that the syringe needle is made of metal or other hard materials,
The hose is metal tube or wire winding tube or macromolecule woven tube or hypotube, and the hard tube is polymer tube or metal
Pipe.
12. membrane-repturing device according to claim 2, which is characterized in that the sacculus is made of high molecular material, the high score
Sub- material is selected from: nylon, polyimides, silica gel, styrene series thermoplastic elastomer SBS, one isoprene of styrene, one benzene second
Alkene block copolymer SIS, POE, TPE, TPR, TPU.
13. membrane-repturing device according to claim 2, which is characterized in that the sacculus is compliant balloon, semi-compliant sacculus
Or non-compliance sacculus.
14. membrane-repturing device according to claim 2, which is characterized in that the maximum outside diameter when balloon inflation is 5-40mm,
Length is 5mm-50mm.
15. membrane-repturing device according to claim 1, which is characterized in that be provided with development point on the conduit or described lead
Contain developing material in the wall of pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820259102.9U CN209347163U (en) | 2018-02-14 | 2018-02-14 | Membrane-repturing device for Endovascular operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820259102.9U CN209347163U (en) | 2018-02-14 | 2018-02-14 | Membrane-repturing device for Endovascular operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209347163U true CN209347163U (en) | 2019-09-06 |
Family
ID=67779214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820259102.9U Active CN209347163U (en) | 2018-02-14 | 2018-02-14 | Membrane-repturing device for Endovascular operation |
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| Country | Link |
|---|---|
| CN (1) | CN209347163U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135982A1 (en) * | 2019-12-30 | 2021-07-08 | 上海创心医学科技有限公司 | Intraluminal membrane rupturing device |
| CN116747414A (en) * | 2023-08-11 | 2023-09-15 | 中国医学科学院阜外医院 | Arc multipurpose catheter system under sacculus is supplementary |
-
2018
- 2018-02-14 CN CN201820259102.9U patent/CN209347163U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135982A1 (en) * | 2019-12-30 | 2021-07-08 | 上海创心医学科技有限公司 | Intraluminal membrane rupturing device |
| CN113116481A (en) * | 2019-12-30 | 2021-07-16 | 上海创心医学科技有限公司 | Intracavity membrane rupturing device |
| CN116747414A (en) * | 2023-08-11 | 2023-09-15 | 中国医学科学院阜外医院 | Arc multipurpose catheter system under sacculus is supplementary |
| CN116747414B (en) * | 2023-08-11 | 2023-11-03 | 中国医学科学院阜外医院 | Arc multipurpose catheter system under sacculus is supplementary |
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