CN109009326A - One kind taking bolt device system - Google Patents
One kind taking bolt device system Download PDFInfo
- Publication number
- CN109009326A CN109009326A CN201810983434.6A CN201810983434A CN109009326A CN 109009326 A CN109009326 A CN 109009326A CN 201810983434 A CN201810983434 A CN 201810983434A CN 109009326 A CN109009326 A CN 109009326A
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- Prior art keywords
- bolt device
- suction catheter
- distal end
- delivery sheath
- cylinder mould
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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
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22051—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
- A61B2017/22055—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation with three or more balloons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22079—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with suction of debris
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22094—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for crossing total occlusions, i.e. piercing
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses one kind to take bolt device system, including suction catheter, take bolt device, the first delivery sheath and collecting device for body fluids, the distal end for taking bolt device includes cylinder mould end, the cylinder mould end has one or more along the elastic portion for taking the radial direction of bolt device to protrude, along taking the axial direction interval of bolt device to be arranged, first delivery sheath is slidably located on cylinder mould end and constrains the elastic portion multiple elastic portions；The suction catheter is connected to collecting device for body fluids, first delivery sheath and take the distal end of bolt device from the suction catheter extend proximally into the suction catheter slide setting.Of the invention one has technical effect that massive is directly extracted out in vitro without smashing thrombus to pieces, reduce new blood vessel blockage, improve surgical effect and procedure efficiency by the present invention.
Description
Technical field
The invention belongs to the field of medical instrument technology, take bolt device system more particularly, to one kind.
Background technique
Thrombus is that blood flow on the surface of cardiovascular system blood vessel inner face exfoliation or mend is formed by fritter.Variable
Fluid dependent form in, thrombus is by insoluble fibrin, the blood platelet of deposition, the leucocyte of accumulation and the red blood cell group fallen into
At there are the obturators such as deposit, patch, form thrombus obstruction or interrupt blood flow, so as to cause local tissue necrosis, shadow
Ring human health or even life-threatening.
When thrombus vein formation when, can also generate grievous injury.Such as common deep vein thrombosis (DVT) formation, meeting
It hinders blood backflow to heart, leads to swelling, ulcer, pain etc., thrombus also can be with blood backflow to heart, or even crosses the heart
Brain, lung, abdomen organ are reached behind splanchnocoel room.In pulmonary circulation, thrombus can become lung bolt by hindering pulmonary artery to damage
It fills in (PE).If hindering the arteries in lung, the total blood flow of lung may be seriously endangered, and then influence whole body, and cause
Low blood pressure and shock.But in the prior art, no pulmonary artery dedicated conduits, many doctors use common 6F pigtail catheter at present
Thrombus is done to be crushed and aspirate, it is relatively high to the skill requirement of patient, and when operating cost, operating time is long, also will cause blood vessel
Wall damage, while thrombus smash to pieces after can be washed to blood vessel distal end, cause new blocking.And pumping of the prior art when taking bolt
It is big to inhale catheter suction amount, body fluid load weight can be caused.
Therefore, it is necessary to provide, one kind is improved to take bolt device, at least solves an above-mentioned technical problem.
Summary of the invention
It is an object of the present invention to provide a kind of new technical solutions for taking bolt device system.
According to the first aspect of the invention, it provides one kind and takes bolt device system, including suction catheter, take bolt device, is first defeated
Send sheath and collecting device for body fluids, the distal end for taking bolt device includes cylinder mould end, the cylinder mould end have it is one or more along
The elastic portion for taking the radial direction of bolt device to protrude, multiple elastic portions are along taking the axial direction interval of bolt device to be arranged, and described first
Delivery sheath is slidably located on cylinder mould end and constrains the elastic portion；
The suction catheter is connected to collecting device for body fluids, first delivery sheath and takes the distal end of bolt device from the pumping
That inhales conduit extends proximally into sliding setting in the suction catheter.
Optionally, the elastic portion is made of shape memory metal net or alloy network；
Alternatively, the cylinder mould end is the metal cylinder mould made of the shape memory metal net or alloy network.
Optionally, described to take bolt device further include having bushing pipe, and the cylinder mould end is fixedly connected with one end of the bushing pipe；
Alternatively, the cylinder mould end cap is located on the bushing pipe；
Alternatively, the cylinder mould end includes part bushing pipe, the elastic portion is arranged alternately with the bushing pipe.
Optionally, the cylinder mould end cap sets and is fixed on the distal end of the bushing pipe, and the distal end of the bushing pipe is telescopic
Hypotube structure.
Optionally, the bushing pipe or first delivery sheath have through lumen proximally and distally；
Alternatively, the proximal end of the bushing pipe or first delivery sheath is solid construction, it is distally the tubulose with lumen
Structure.
Optionally, first delivery sheath and take bolt device pass through collecting device for body fluids stretched from the proximal end of the suction catheter
Enter in the suction catheter, first delivery sheath and bolt device and the collecting device for body fluids is taken to link, when the body fluid is received
When acquisition means are aspirated by suction catheter, first delivery sheath and bolt device is taken proximally to be moved out relative to suction catheter
It is dynamic.
Optionally, the collecting device for body fluids includes handle mechanism, first delivery sheath and take bolt device pass through handle
Mechanism protrudes into the suction catheter, is provided with moving member in the handle mechanism, with the reciprocating movement of the moving member, institute
Negative pressure and positive pressure can be alternately produced by stating in handle mechanism, described to take bolt device and the moving member single-way linkage.
Optionally, the collecting device for body fluids further includes collecting duct and collection vessel, is provided on the collecting duct
One interface of threeway, threeway is connected to handle mechanism, other two interface unidirectionally connects with suction catheter and collection vessel respectively
Logical and communication direction is opposite.
Optionally, the shape of the elastic portion include along the disc for taking bolt device to be circumferentially arranged or it is tubaeform in
It is at least one.
Optionally, the end at the cylinder mould end is fixedly installed seeker, and the seeker is along distal direction side
Diameter be less than the other side diameter.
Optionally, the outer surface of the suction catheter and the first delivery sheath is coated with hydrophilic coating.
Optionally, the internal diameter of the distal end of the suction catheter is gradually increased by the end face of predeterminated position to distal end, alternatively, institute
The internal diameter for stating the distal end of suction catheter can be expanded to be gradually increased by the end face of predeterminated position to distal end.
It optionally, further include dilating sacculus, the dilating sacculus is arranged in or can be transported to the distal end of suction catheter, institute
State the distal dilation that the suction catheter is driven after dilating sacculus is inflated.
Optionally, self-expanding opening is in the distal end of the suction catheter, the internal diameter of the distal end of the suction catheter after expansion
It is gradually increased by the end face of predeterminated position to distal end, described to take bolt device system further include the second delivery sheath, second conveying
Sheath is set on the suction catheter, constrains the distal end of the suction catheter.
According to one embodiment of the disclosure, massive is directly extracted out external, reduction without smashing thrombus to pieces by the present invention
New blood vessel blockage, improves surgical effect and procedure efficiency.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the surface structure schematic diagram of some embodiments.
Fig. 2 is the matching relationship schematic diagram that bolt device and the first delivery sheath are taken in some embodiments.
Fig. 3 is the structural schematic diagram that bolt device is taken in some embodiments.
Fig. 4 is the structural schematic diagram of suction catheter in some embodiments.
Fig. 5 is the surface structure schematic diagram of handle mechanism in some embodiments.
Fig. 6 is the schematic diagram of internal structure of handle mechanism in some embodiments.
Fig. 7 is the schematic diagram of internal structure in some embodiments after handle mechanism suction.
Fig. 8 is the structural schematic diagram of collecting duct in some embodiments.
Fig. 9 is the first effect diagram of some embodiments when in use.
Figure 10 is the second effect diagram of some embodiments when in use.
Figure 11 is the third effect diagram of some embodiments when in use.
Figure 12 is the 4th effect diagram of some embodiments when in use.
Figure 13 is the 5th effect diagram of some embodiments when in use.
Figure 14 is the 6th effect diagram of some embodiments when in use.
Figure 15 is elastic portion shape contrast schematic diagram different in some different embodiments.
Figure 16 is elastic portion shape contrast schematic diagram different in other embodiments.
Figure 17 is the distal structure schematic diagram that bolt device is taken in some embodiments of some embodiments.
Figure 18 is the structural schematic diagram of suction catheter in other embodiments.
Figure 19 is the structural schematic diagram of suction catheter in still other embodiments.
In figure: 1 suction catheter, 11 openings, 12Y type haemostatic valve, 13 second delivery sheaths, 2 take bolt device, 21 cylinder mould ends, and 22
Elastic portion, 23 seekers, 24 bushing pipes, 25 inner cavities, 3 first delivery sheaths, 4 collecting device for body fluids, 41 handle mechanisms, 42 sliding blocks,
43 piston mechanisms, 44 unidirectional clamp systems, 45 collecting ducts, 46 threeways, 47 check valves, 48 collection vessels, 5 thrombus, 6 blood vessels.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
One kind provided by the invention takes bolt device system, as shown in figs.1-8 include suction catheter 1, take bolt device 2, first
Delivery sheath 3 and collecting device for body fluids 4.
The distal end for taking bolt device 2 includes cylinder mould end 21, and along distal direction, cylinder mould end 21 is inserted into blood vessel 6.This
Field technical staff is appreciated that distal end typically refers to technical staff in operation far from one end of technical staff, proximal end be by
One end of nearly technical staff.The cylinder mould end 21 has one or more along the elastic portion for taking the radial direction of bolt device 2 to protrude
22, multiple elastic portions 22 are arranged along taking the axial direction interval of bolt device 2.First delivery sheath 3 is slidably located in cylinder mould
Constraint elastic portion 22 is constrained in the first delivery sheath 3 when not in use, reduces its diameter, facilitate insertion into blood vessel on end 21
6, the first delivery sheath 3 sliding recession when in use, so that elastic portion 22 loses constraint, it is convex to radial direction by own resilient
Out, 5 position of thrombus in blood vessel 6, elastic portion 22 are capable of fixing thrombus 5 after protrusion, form a cage, reduce to blood
Bolt 5 is crushed, and avoids being crushed excessively thrombus 5, and is washed away by blood, and new thrombus 5 is formed in other positions.
The suction catheter 1 is connected to collecting device for body fluids 4, first delivery sheath 3 and takes the distal end of bolt device 2 from institute
Extending proximally into the suction catheter 1 for suction catheter 1 is stated, setting is slided in the suction catheter 1, so that the first conveying sheath
Pipe 3 and take bolt device 2 can pass through suction catheter 1 enter blood vessel 6 in.Usually the proximal end of the suction catheter 1 can be provided with Y
Type haemostatic valve 12.One interface of Y type haemostatic valve 12 is connected to collecting device for body fluids 4, so that the energy in blood vessel 6 of suction catheter 1
It is enough aspirated, thrombus 5 is extracted out outside blood vessel 6.The collecting device for body fluids 4 can be the syringe of large capacity, be also possible to
The others such as electronic suction pump are capable of the device of negative-pressure ward, and the application is not intended to limit this.When the collecting device for body fluids 4 is logical
When crossing suction catheter 1 and aspirating, then make it is described take bolt device 2 to move relative to suction catheter 1 along proximal direction, be proximally moved out
It is dynamic, so that bolt device 2 just is taken described in movement only in suction, it is mobile securing by 21 institute of cylinder mould end to the distal end of suction catheter 1
Thrombus 5 is moved in suction catheter 1 by thrombus 5, then removes blood vessel with suction catheter 1 again.
In using the present invention, it may comprise steps of:
As shown in Figure 9, femoral venous puncture is put into and the matched sheath of suction catheter 1；
Seal wire is entered into blood vessel 6 along sheath, thrombus 5 is passed through and reaches 5 remote location of thrombus；
As shown in Figure 10, suction catheter 1 is delivered to 5 near proximal ends of thrombus along seal wire；
It is as shown in Figure 11, bolt device 2 is taken along what seal wire conveying was arranged with the first delivery sheath 3 in suction catheter 1, until
Taking 2 distal end of bolt device is more than 5 distal end of thrombus；
As shown in Figure 12, fixation takes bolt device 2, and the first delivery sheath 3 is withdrawn from outward, makes the cylinder mould end for taking bolt device 2
Elastic portion 22 on 21 is unfolded, until the first delivery sheath 3 leaves thrombus 5 completely or all elastic portion 22 is fully deployed；
Elastic portion 22 is kept for certain time after being unfolded；
As shown in Figure 13, fixation takes bolt device 2 and seal wire, suction catheter 1 is kept moving forward, until close to thrombus
5；
As shown in Figure 14, fixed suction catheter 1, collecting device for body fluids 4 is aspirated by suction catheter 1, takes bolt
Device 2 is extracted outward simultaneously, while aspirating 5 fragment of body fluid and thrombus of 1 proximate distal ends of suction catheter, until taking bolt device 2 complete
Into suction catheter；
Fixed seal wire by suction catheter 1 and takes bolt device 2 as a whole while withdrawing from external.
It carries out that thrombus is taken to operate using the present invention, without smashing thrombus to pieces, directly massive is extracted out in vitro, can be reduced
The formation of new blood vessel blockage, improves surgical effect and procedure efficiency.
In some embodiments, the elastic portion 22 can be made of shape memory metal net or alloy network, improve its
Intensity when fixed thrombus 5, and deformation can be completed by material property, so that opposite when being constrained by the first delivery sheath 3
It is smooth, lose after constraint can rapid deformation, complete fixation to thrombus 5.Alternatively, the cylinder mould end 21 can be generally by institute
Metal cylinder mould made of shape memory metal net or alloy network is stated, so that cylinder mould end 21 and elastic portion 22 thereon are integrally formed
Or integrated woven molding, improve its elasticity capacity and shape memory.For example, the alloy network can be by Ti-Ni alloy net
It is made.
It is in some embodiments, as shown in Figure 3, described that take bolt device 2 include bushing pipe 24.Bushing pipe 24, which can be used as, to be taken
The main body of bolt device 2.The bushing pipe 24 can be hollow single-layer or multi-layer layer composite reinforced plastic pipe, distally have submissive well
Property, blood vessel can be facilitated access for by continuous bend blood vessel 6, provided a supporting role.The bushing pipe 24 can also be metal hypo
Pipe or metal hypotube structure, manufactured proximal end have good pushability and pull strength, distally have submissive well
The pipe of property and retractility；So that the bushing pipe 24 establishes single channel taking inside bolt device 2, convenient for other instruments such as seal wires
Pass through, and distal end flexibility can pass in and out the first delivery sheath 3 with cylinder mould end by continuous bend, distal end retractility
When axial length variation and change.
The cylinder mould end 21 can be fixedly connected with one end of bushing pipe 24.Further, the bushing pipe 24 can with it is described
Cylinder mould end 21 fixed by heat seal, glued fixed and the connection types such as be welded and fixed and be fixedly connected, the application to this not
This limitation.Alternatively, the cylinder mould end cap 21 is located on the bushing pipe 24, the bushing pipe 24 is the cylinder mould end cap 21 in axial side
To and in the radial direction provide support and guiding function；When withdrawing, main axially loaded structure is used as by bushing pipe 24,
Elastic portion 22 will not the premature active force by axial direction and occur reduce outer diameter deformation process, ensure that elastic portion 22
To the fixed effect of thrombus 5；The distal end for being only moved to suction catheter 1 is just guided constrained strain, into suction catheter 1,
The taking-up to thrombus 5 is completed, ensure that and take out effect and extraction efficiency.It is whole that both modes may be applicable to the cylinder mould end 21
Body is the set-up mode of the metal cylinder mould made of the shape memory metal net or alloy network.Again alternatively, the cylinder mould end 21
Including part bushing pipe 24, the elastic portion 22 is arranged alternately with the bushing pipe 24.Suitable for only elastic portion 22 by shape memory gold
Belong to mode made of net or alloy network, saves memory metal net or alloy net materials, advantageously reduce cost.Alternatively, the lining
The distal end of pipe 24 is scalable, for example, metal hypotube structure；The both ends at cylinder mould end 21 are all fixed on the distal end of bushing pipe 24,
When cylinder mould end 21 is collapsible into the first delivery sheath 3, the distal end of bushing pipe 24 accordingly extends；When cylinder mould end 21 is opened, bushing pipe 24
Distal end accordingly shorten.
In some embodiments, the bushing pipe 24 or first delivery sheath 3 have through lumen proximally and distally；
Alternatively, the proximal end of the bushing pipe 24 or first delivery sheath 3 is solid construction, it is distally the tubular structure with lumen,
With rapid exchange, the application is not intended to limit this.
In some embodiments, as shown in figs.1-8, the suction catheter 1 can be set in the first conveying sheath
On pipe 3, enables and the first delivery sheath 3 and take bolt device 2 to pass through suction catheter 1 to enter in blood vessel 6.The suction catheter 1 with
Collecting device for body fluids 4 is connected to, and first delivery sheath 3 and bolt device 2 is taken to pass through collecting device for body fluids 4 from the suction catheter 1
Extend proximally into the suction catheter 1.First delivery sheath 3 and bolt device 2 is taken to pass through collecting device for body fluids 4 and described
Suction catheter 1 extends proximally into the suction catheter 1.First delivery sheath 3 and bolt device 2 and the humor collecting is taken to fill
4 linkages are set, when the collecting device for body fluids 4 is aspirated by suction catheter 1, first delivery sheath 3 and take bolt device 2 opposite
It moves in suction catheter 1 along proximal direction, is proximally displaced outwardly, so that only in suction, just mobile first conveying
Sheath 3 and bolt device 2 is taken, it is mobile by the 21 securing thrombus 5 of institute of cylinder mould end to the distal end of suction catheter 1, thrombus 5 is moved to pumping
It inhales in conduit 1.The present invention can be avoided aspirate always caused by the big problem of body fluid aspiration, be arranged by linkage,
The aspiration when detaching thrombus 5 to body fluid can be effectively reduced；Or it may also be said that is just carried out only in mobile thrombus 5
Suction.Structure of the invention makes the aspiration to body fluid few, and the damage caused by patient is small.
In some embodiments, as shown in figs.1-8, the collecting device for body fluids 4 includes handle mechanism 41.Described
It one delivery sheath 3 and takes bolt device 2 to pass through handle mechanism 41 to protrude into the suction catheter 1.It is provided in the handle mechanism 41
Moving member, the moving member can move back and forth, for example, the moving member is sliding block 42, handle is rotatably connected on handle mechanism
It in 41, can be rotated by outer power drive, waist round hole is provided on handle, sliding block 42 is connect with waist round hole, with the rotation of handle,
It is able to drive 42 linear slide of sliding block, certainly, the conventional arrangements such as sliding rail are not repeating.With the reciprocating movement of the moving member,
It can be alternately produced negative pressure and positive pressure in the handle mechanism 41, for example, have piston mechanism 43 in the handle mechanism 41, with
The sliding of the sliding block 42 is able to drive the piston mechanism 43 and does piston motion, generates negative pressure and positive pressure, such as sliding block 42 and work
Plug connection.First delivery sheath 3 and take bolt device 2 and the moving member single-way linkage.For example, being provided on the sliding block 42
Unidirectional clamp system 44 can unidirectionally clamp first delivery sheath 3 and take bolt device 2, so that pushing piston mechanism 43 to produce
When raw negative pressure is aspirated, it is able to drive the first delivery sheath 3 and takes and removed outside bolt device 2, mobile thrombus 5 is preferably aspirated.Into
One step, it is also provided with return unit, the return unit is connect with handle, drives the handle to rotate to one aspect multiple
Then position, such as torque spring etc. unclamp so that only needing that handle is manually pushed to rotate to a direction, reduce people
The manipulation strength of work, will not need the step of accurately controlling transfers to mechanical structure to handle, when in use, with hand-drive handle
Rotation, band movable slider 42 sliding, take bolt device 2 outward withdraw from and piston mechanism 43 generate negative pressure aspirated, after loosing one's grip, handle
Drive the sliding block 42 to reset under the action of return unit, the liquid that aspirates in piston mechanism 43 is squeezed out by positive pressure, send to collection
It is collected in container 48.Further, in some embodiments, the piston mechanism 43 can be syringe, the injection
The push rod of device is fixed in the handle mechanism 41, and syringe body is fixedly connected with the sliding block 42.
In some embodiments, as shown in Figure 8, the collecting device for body fluids 4 further includes collecting duct 45 and collects
Container 48.Threeway 46 is provided on the collecting duct 45, an interface of threeway 46 is connected to handle mechanism 41, other two
Interface respectively with suction catheter and 48 unilaterally connected of collection vessel and communication direction on the contrary, make it possible to by handle mechanism 41 from
It is aspirated in suction catheter 1, and the body fluid being drawn into is emitted into collection vessel 48.For example, dividing on other two interface
Restricted contrary check valve 47 is not set, and limitation connects from piston mechanism 43 to 1 direction of suction catheter with suction catheter 1
It is logical, it is matched with the reciprocating motion of piston mechanism 43, the body fluid pumped out is expelled to by the pipeline that another check valve limits
In collection vessel 48, enable collecting device for body fluids 4 continue reciprocal suction.
In some embodiments, the suction conduit 1, take the proximal end of bolt device 2, the first delivery sheath 3 that usually there is haemostatic valve.
In some embodiments, as shown in Figure 15-16, the shape of multiple elastic portions 22 includes taking along described
Disc that bolt device 2 is circumferentially arranged is at least one of tubaeform, and disc can also be divided into according to the difference of edge radian
Multiple and different volume concrete shapes, tubaeform can also be specially the shapes such as truncated cone-shaped, and the application is to it and is not particularly limited, energy
Enough reach the function of fixed thrombus 5.In some embodiments, as shown in Figure 15-16, elastic portion 22 takes along described
The most outer of the radial direction of bolt device 2 has the root face of arc, can effectively prevent or reduce the damage to 6 inner wall of blood vessel,
Play the role of protecting blood vessel 6, reduction detaches thrombus 5 to damage caused by blood vessel 6.Further, multiple elastic portions 22
Shape and size may be the same or different, the application is not intended to limit this, those skilled in the art can more need
It is combined setting.
In some embodiments, the elastic portion 22 is at least provided with 1.As shown in Figure 12-16, the elastic portion
22 may include having 3, and the elastic portion 22 of both ends of them is located at thrombus 5 proximally and distally, and intermediate fixes thrombus
5, while guaranteeing the fixed effect to thrombus 5, moreover it is possible to reduce the probability that broken thrombus 5 is washed away by blood.
In some embodiments, as shown in Figure 17, the end at the cylinder mould end 21 is fixedly installed seeker 23, institute
The diameter that seeker 23 is less than the other side in the diameter along distal direction side is stated, cylinder mould end 21 is reduced and is moved in blood vessel 6
When resistance, additionally it is possible to reduce damage to blood vessel 6.Further, as shown in Figure 17, the two sides of the seeker 23 it
Between the arcuate structure with smooth excessiveness, reduce and be likely to cause the wind direction of damage to blood vessel 6.When the cylinder mould end 21 is metal
When cylinder mould, seeker 23 also has constraint fixed function to cylinder mould end 21, prevents metal cylinder mould from scattering, and can effectively prevent
It is damaged when only metal cylinder mould directly moves to caused by blood vessel 6.Described take has the interior of perforation as shown in figure 17 inside bolt device 2
Chamber 25 enters blood vessel convenient for being set on seal wire；Further, the inner cavity 25 of the seeker 23 with take it is interior inside bolt device 2
Chamber 25 is also connection.
In some embodiments, the outer surface of the suction catheter 1 and the first delivery sheath 3 is coated with hydrophilic coating, energy
Enough reduce generated resistance when it is moved in blood vessel 6.
In some embodiments, as shown in figs. 18-19, the internal diameter of the distal end of the suction catheter 1 is by predeterminated position
It is gradually increased to the end face of distal end.There is tubaeform opening 11.It is biggish when so that aspirating again by the variation of internal diameter
Internal diameter is capable of providing bigger suction area, reduces the chance that broken thrombi is taken away by blood, so that more to the suction of thrombus 5
It is easy to add；And withdraw take bolt device 2 when, biggish diameter can play the role of guided constraint to the elastic portion 22 of protrusion,
Functional diameter (FD) is increased, resistance when bolt device 2 being taken to withdraw is reduced with this, so that it is easier to be constrained in suction catheter 1, together
When, biggish internal diameter also plays the effect of guided constraint to the thrombus 5 of bulk, it is conducted into suction catheter 1, rather than
In 22 restrained deformation of elastic portion, it is flushed away a part with blood, reduces this possibility.
Alternatively, the internal diameter of the distal end of the suction catheter 1 in the application is configured to be expanded to by predeterminated position to remote
The end face at end is gradually increased, i.e., when most starting its inner diameter size relationship can be it is identical, entire 1 tube body of suction catheter it is outer
It is uniformly, convenient for movement of the suction catheter 1 in blood vessel 6, to send by the distal end of suction catheter 1 to predetermined position that diameter is also opposite
When, just so that its distal end is easily inserted into the expanded by structure or external force control, to form internal diameter by predeterminated position to distal end
The structure that end face is gradually increased improves pumping efficiency to guide thrombus to enter in suction catheter 1.
In some embodiments, can be it is described to take bolt device system further include dilating sacculus, the dilating sacculus setting exists
The distal end of the suction catheter 1 or the dilating sacculus can be transported to the distal end of the suction catheter 1, then in institute
The distal dilation for driving the suction catheter after dilating sacculus is inflated is stated, horn opening 11 is become.It is in the dilating sacculus
When being transported to the distal end of the suction catheter 1, dilating sacculus can be taken out by deflating, withdrawing again, keeps suction catheter 1
Interior is unobstructed, and dilating sacculus is avoided to cause to hinder to the suction of suction catheter 1, and the distal end that the suction catheter 1 is easily inserted into the expanded is logical
Itself rigidity is crossed to keep the state after expansion.Certainly, can also will expand in the case where dilating sacculus does not influence pumping efficiency
It opens sacculus and stays in original place, the application is not intended to limit this.
In some embodiments, the distal end of the suction catheter 1 is the opening 11 of self-expanding, the suction catheter after expansion
The internal diameter of distal end be gradually increased by the end face of predeterminated position to distal end.It is described that take bolt device system further include the second delivery sheath
13, second delivery sheath 13 can be slidably located on the suction catheter 1, constrain the distal end of the suction catheter 1,
The distal end of the suction catheter 1 is sent to predetermined position, the second delivery sheath 13 is withdrawn, so that the suction catheter 1 is remote
End self-expanding is opened.When needing to withdraw suction catheter 1, the second delivery sheath 13 can be moved again to the suction catheter
1 distal end constrains the distal end of the suction catheter 1, then withdraws from again.Either other some structure types make the pumping
The distal end for inhaling conduit 1 can expand, and also possible, the application is not intended to limit this.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (14)
1. one kind takes bolt device system, which is characterized in that including suction catheter, take bolt device, the first delivery sheath and humor collecting dress
It sets, the distal end for taking bolt device includes cylinder mould end, and the cylinder mould end has one or more along taking the radial direction of bolt device convex
Elastic portion out, along taking the axial direction interval of bolt device to be arranged, first delivery sheath is slidably located in multiple elastic portions
The elastic portion is constrained on cylinder mould end；
The suction catheter is connected to collecting device for body fluids, first delivery sheath and take the distal end of bolt device from it is described suction lead
Pipe extends proximally into sliding setting in the suction catheter.
2. according to claim 1 take bolt device system, which is characterized in that the elastic portion is by shape memory metal net or conjunction
Golden net is made；
Alternatively, the cylinder mould end is the metal cylinder mould made of the shape memory metal net or alloy network.
3. according to claim 1 take bolt device system, which is characterized in that described to take bolt device further include having bushing pipe, the net
Cage end is fixedly connected with one end of the bushing pipe；
Alternatively, the cylinder mould end cap is located on the bushing pipe；
Alternatively, the cylinder mould end includes part bushing pipe, the elastic portion is arranged alternately with the bushing pipe.
4. according to claim 3 take bolt device system, which is characterized in that the cylinder mould end cap sets and is fixed on the bushing pipe
Distal end, the distal end of the bushing pipe is telescopic hypotube structure.
5. according to claim 1 take bolt device system, which is characterized in that the bushing pipe or first delivery sheath have
Through lumen proximally and distally；
Alternatively, the proximal end of the bushing pipe or first delivery sheath is solid construction, it is distally the tubular structure with lumen.
6. according to claim 1 take bolt device system, which is characterized in that first delivery sheath and take bolt device pass through body
Liquor collecting device extends proximally into the suction catheter from the suction catheter, first delivery sheath and takes bolt device and institute
State collecting device for body fluids linkage, when the collecting device for body fluids by suction catheter aspirate when, first delivery sheath with take
Bolt device is proximally displaced outwardly relative to suction catheter.
7. according to claim 6 take bolt device system, which is characterized in that the collecting device for body fluids includes handle mechanism,
First delivery sheath and take bolt device pass through handle mechanism protrude into the suction catheter, shifting is provided in the handle mechanism
Moving part can be alternately produced negative pressure and positive pressure with the reciprocating movement of the moving member in the handle mechanism, described to take bolt device
With the moving member single-way linkage.
8. according to claim 7 take bolt device system, which is characterized in that the collecting device for body fluids further includes collecting duct
And collection vessel, threeway is provided on the collecting duct, and an interface of threeway is connected to handle mechanism, other two interface
It is opposite with suction catheter and collection vessel unilaterally connected and communication direction respectively.
9. according to claim 1 take bolt device system, which is characterized in that the shape of the elastic portion includes taking along described
Disc that bolt device is circumferentially arranged is at least one of tubaeform.
10. according to claim 1 take bolt device system, which is characterized in that the end at the cylinder mould end, which is fixedly installed, draws
Top guide, the seeker are less than the diameter of the other side in the diameter along distal direction side.
11. according to claim 1 take bolt device system, which is characterized in that the suction catheter and the first delivery sheath
Outer surface is coated with hydrophilic coating.
12. -11 any described taking bolt device system according to claim 1, which is characterized in that the distal end of the suction catheter it is interior
Diameter is gradually increased by the end face of predeterminated position to distal end, alternatively, the internal diameter of the distal end of the suction catheter can be expanded to by pre-
If the end face of position to distal end is gradually increased.
13. according to claim 12 take bolt device system, which is characterized in that it further include dilating sacculus, the dilating sacculus
It is arranged in or can be transported to the distal end of suction catheter, drives the distal end of the suction catheter to expand after the dilating sacculus inflation
?.
14. according to claim 12 take bolt device system, which is characterized in that opened for self-expanding the distal end of the suction catheter
Mouthful, the internal diameter of the distal end of the suction catheter is gradually increased by the end face of predeterminated position to distal end after expansion, described to take bolt device system
System further includes the second delivery sheath, and second delivery sheath is set on the suction catheter, constrains the suction catheter
Distally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810983434.6A CN109009326A (en) | 2018-08-27 | 2018-08-27 | One kind taking bolt device system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810983434.6A CN109009326A (en) | 2018-08-27 | 2018-08-27 | One kind taking bolt device system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109009326A true CN109009326A (en) | 2018-12-18 |
Family
ID=64624742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810983434.6A Pending CN109009326A (en) | 2018-08-27 | 2018-08-27 | One kind taking bolt device system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109009326A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109875642A (en) * | 2019-03-11 | 2019-06-14 | 恩脉（上海）医疗科技有限公司 | One kind taking pin device |
| CN111202559A (en) * | 2020-02-27 | 2020-05-29 | 北京久事神康医疗科技有限公司 | Thrombus removal device and use method thereof |
| CN113425373A (en) * | 2021-07-30 | 2021-09-24 | 江苏朴芃医疗科技有限公司 | Blood vessel thrombus taking device |
| CN113456173A (en) * | 2021-07-01 | 2021-10-01 | 吉林大学 | Cerebral nerve and blood vessel thrombus removing device |
| CN113827312A (en) * | 2021-09-18 | 2021-12-24 | 晨兴(南通)医疗器械有限公司 | Conveying system for pulmonary artery thrombus taking device |
| CN115068162A (en) * | 2022-07-19 | 2022-09-20 | 深圳佰特微医疗科技有限公司 | Thrombus removing device and thrombus removing system |
| CN115429381A (en) * | 2022-08-24 | 2022-12-06 | 玮铭医疗器械(上海)有限公司 | Thrombus aspiration catheter device |
| CN116269647A (en) * | 2023-05-16 | 2023-06-23 | 乐普（北京）医疗器械股份有限公司 | Pump head catcher, thrombus absorbing system and using method of thrombus absorbing system |
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| CN116269647B (en) * | 2023-05-16 | 2023-08-01 | 乐普（北京）医疗器械股份有限公司 | Pump head catcher, thrombus absorbing system and using method of thrombus absorbing system |
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