CN108852466A - Take bolt device - Google Patents
Take bolt device Download PDFInfo
- Publication number
- CN108852466A CN108852466A CN201810769730.6A CN201810769730A CN108852466A CN 108852466 A CN108852466 A CN 108852466A CN 201810769730 A CN201810769730 A CN 201810769730A CN 108852466 A CN108852466 A CN 108852466A
- Authority
- CN
- China
- Prior art keywords
- spigot
- mandrel
- take
- thrombus
- bolt device
- Prior art date
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—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
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—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
- A61B2017/22038—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 a guide wire
- A61B2017/22045—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 a guide wire fixed to the catheter; guiding tip
-
- 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
-
- 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
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
- A61B2017/2212—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having a closed distal end, e.g. a loop
Abstract
The invention discloses one kind to take bolt device, including：Spigot is taken, takes spigot that there is self-expanding；Mandrel takes spigot to be connected to mandrel, and mandrel, which is used to drive, takes spigot by moving to the removal wound of the other side into wound positioned at thrombus side on blood vessel, so as to take spigot that thrombus is driven to remove from wound is removed.Taking in bolt device in the application, spigot approach and outlet is taken to be different, setting connection is only needed to take spigot to push the mandrel for taking spigot to move to pass through thrombus, after release take spigot reach thrombus at after, continue to be moved by former direction, thrombus can be with taking spigot to move together, until spigot is taken to take thrombus from wound is removed out of.For long thrombus section lesion, mandrel is easier to pass through, and increases and takes percent of pass of the bolt device by thrombus, can be improved and take bolt efficiency, the success rate of operation can be improved.
Description
Technical field
The present invention relates to the field of medical instrument technology, in particular to one kind takes bolt device.
Background technique
Endovascular Embolization is common disease and frequently-occurring disease clinically, refers to blood abnormal condensation in the blood vessels, condensation
Reason can be extraneous inducement, be also possible to inherent cause.Often there are thrombosis, the bolt formed in blood of human body in human body
Son can cause vasculature part or completely plugged, the blood supply of line artery distal end.Thrombus after formation is also possible to fall off, with
Blood flow blocks the blood vessel at other positions, causes histoorgan ischemic, the anoxic of corresponding site, eventually leads to tissue or organ
The pathology such as necrosis, oedema.
Clinically the severity at position and thromboembolism according to locating for thrombus has a different processing modes, at one of which
Reason mode is to take out established thrombus.However, in long pathological change of thrombus section, it is current take bolt device take bolt efficiency lower, from
And cause the success rate of operation relatively low.
Therefore, how to improve success rate of operation and take bolt efficiency, be the technology that those skilled in the art need to solve at present
Problem.
Summary of the invention
In view of this, the object of the present invention is to provide one kind to take bolt device, it can be improved success rate of operation and take bolt efficiency.
To achieve the above object, the present invention provides the following technical solutions：
One kind taking bolt device, including：
Spigot is taken, it is described to take spigot that there is self-expanding；
Mandrel, described that spigot is taken to be connected to the mandrel, the mandrel described takes spigot by being located on blood vessel for driving
The removal wound that the other side is moved into wound of thrombus side, so that described take spigot that thrombus is driven to move from the removal wound
Out.
Preferably, the both ends of the mandrel are equipped with soft head, and the hardness of the soft head is less than the hardness of the mandrel.
Preferably, only one end is equipped with soft head to the mandrel, and the hardness of the soft head is less than the hardness of the mandrel.
Preferably, one end of the mandrel is equipped with soft head and the other end and is equipped with soft head for being detachably connected the soft head
Connector, so that the mandrel can constitute end to end closed loop configuration；The hardness of the soft head is less than the hard of the mandrel
Degree.
It preferably, further include the first conduit for collecting thrombus at the removal wound of blood vessel, first conduit is
The communicating structure of both ends open, so that the mandrel passes through from first conduit.
It preferably, further include for taking spigot to lead into endovascular second described in auxiliary in entering at wound for blood vessel
Pipe, it is described to take spigot that movably shrink in second conduit.
It preferably, further include being connected to the development indicating taken on spigot and/or the mandrel.
Preferably, described to take spigot be several, all described spigot to be taken to set gradually along the extending direction of the mandrel.
Preferably, described to take spigot for bracket.
Preferably, described to take spigot for the mesh basket with filter structure.
It is provided by the invention to take bolt device including taking spigot and mandrel.Take spigot that there is self-expanding shape.Spigot is taken to be connected to
Mandrel, mandrel are used to drive the removal wound for moving to the other side into wound for taking spigot by being located at thrombus side on blood vessel, with
Make to take spigot that thrombus is driven to remove from wound is removed.
This takes in bolt device, and mandrel takes spigot to move to removal wound from into wound for driving, and takes spigot approach and thrombus
Outlet is different, and takes spigot that can discharge and expand before reaching thrombus.Wherein, spigot approach is taken to refer on blood vessel
For taking that spigot enters into the pipeline between wound and thrombus；The outlet of thrombus refer to thrombus with take spigot remove blood
The pipeline of pipe, the outlet are referred specifically to from thrombus not with position when taking spigot mobile to the pipeline removed wound.
After release take spigot to reach at thrombus after, continue to be moved by former direction, thrombus can be with taking spigot
It is mobile, until spigot is taken to take thrombus from wound is removed out of.For long thrombus section lesion, mandrel is easier to pass through, increase
Percent of pass of the bolt device by thrombus is taken, can be improved and take bolt efficiency, the success rate of operation can be improved.
In addition, take spigot approach and thrombus outlet to take bolt device for identical pipeline a kind of use in the prior art,
In operation, take the wound that spigot enters the wound of blood vessel and thrombus removes blood vessel usually same.Due to taking spigot to have
Self-expanding, it is such it is existing take spigot need first constrained by a small diameter conduits, small diameter conduits auxiliary under will take
Spigot is sent into blood vessel, and runs through after thrombus small diameter conduits of dropping back again by small diameter conduits and take spigot to discharge, and can make to take
Spigot captures thrombus.For long thrombus section lesion, small diameter conduits are not easy to by thrombus section.Existing bolt is taken compared to this
Device, taking bolt device only the mandrel for being able to drive and spigot being taken to move need to be arranged in the application, small diameter conduits that no setting is required constraint takes
Spigot simultaneously runs through thrombus, and the diameter of mandrel can be set much smaller than small diameter conduits in the application, can be greatly improved and take bolt
Success rate.
In addition, spigot is taken usually by distally moving to the near end, during taking spigot mobile, to take spigot that can be blocked in blood
The distal end of bolt can prevent from taking the histoorgan for drawing broken thrombus to enter other positions with blood flow during bolt, reduce remote
The risk for holding embolism, does not need additionally to place distal protector or blocking blood flow.
Provided herein takes in a kind of preferred embodiment of bolt device, and taking spigot is several, all described to take bolt
Part is set gradually along the extending direction of the mandrel, can be further increased and be taken bolt efficiency to long pathological change of thrombus section.In addition, by
In taking spigot approach and thrombus outlet different, blood vessel distal void when taking bolt can be evaded it is not enough to accommodate multiple taking asking for spigot
Topic
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the first use figure provided by the present invention for taking bolt device；
Fig. 2 is the structural schematic diagram of the specific embodiment one provided by the present invention for taking bolt device；
Fig. 3 is that the first for taking in bolt device provided by the present invention takes the structure chart of spigot；
Fig. 4 is the structure chart that second taken in bolt device provided by the present invention takes spigot；
Fig. 5 is that the third for taking in bolt device provided by the present invention takes the structure chart of spigot；
Fig. 6 is the structure chart that the 4th taken in bolt device kind provided by the present invention takes spigot；
Fig. 7 is the structure chart that the 5th taken in bolt device kind provided by the present invention takes spigot；
Fig. 8 is the structure chart that the 6th taken in bolt device kind provided by the present invention takes spigot；
Fig. 9 is the structural schematic diagram of the specific embodiment two provided by the present invention for taking bolt device；
Figure 10 is the structural schematic diagram of the specific embodiment three provided by the present invention for taking bolt device；
Figure 11 is the structural schematic diagram of the specific embodiment four provided by the present invention for taking bolt device；
Figure 12 is the structural schematic diagram of the specific embodiment five provided by the present invention for taking bolt device；
Figure 13 is the structural schematic diagram of the specific embodiment six provided by the present invention for taking bolt device；
Figure 14 is the structural schematic diagram of the specific embodiment seven provided by the present invention for taking bolt device；
Figure 15 is the structural schematic diagram of the specific embodiment eight provided by the present invention for taking bolt device；
Figure 16 is that second for taking bolt device provided by the present invention uses figure.
Fig. 1 is into Figure 16,1- mandrel, the soft head of 2-, and 3- takes spigot, and 31- both ends open formula mesh basket, 32- first kind one end is opened
Mouth formula mesh basket closed at one end, the second class of 33- formula mesh basket closed at one end open at one end, 34- formula mesh basket closed at both ends, 35- porous type
Mesh basket, 351- porous polymeric membranes, 352- metallic framework, 4- development indicating, the development indicating of 41- spring like, the development of 42- filiform are shown
Mark, the development indicating of 43- ring-type, the second conduit of 5-, 6- enter wound, the first conduit of 7-, and 8- removes wound, 9- thrombus, the soft head of 10-
Connector.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide one kind and takes bolt device, can be improved success rate of operation and takes bolt efficiency.
In a kind of specific embodiment provided by the present invention for taking bolt device, Fig. 1 and Fig. 2 are please referred to, including take spigot 3 and mandrel
1.Take spigot 3 have self-expanding, can shrink and volume becomes smaller or discharges and volume becomes larger, take spigot 3 to can be used for cutting
With capture thrombus 9.Spigot is taken to be connected to mandrel.Mandrel, which is used to drive, takes spigot 3 to be created by being located at entering for thrombus side on blood vessel
Mouth 6 moves to the removal wound 8 of the thrombus other side, so as to take spigot that thrombus is driven to remove from wound 8 is removed.Remove wound 8 with into
Entering wound 6 is wound different on blood vessel.
Bolt device is taken using this, for 9 sections of lesions of long thrombus, mandrel 1 is easier to pass through, increases and bolt device is taken to pass through thrombus
The success rate for taking bolt efficiency and operation can be improved in 9 percent of pass；Meanwhile during taking spigot 3 mobile, take spigot 3 can
To be blocked in the distal end of thrombus 9, can prevent from taking the tissue for drawing broken thrombus 9 to enter other positions with blood flow during bolt
Organ reduces the risk of distal embolization.
Wherein, mandrel 1 can be long filament, stick, bar or strip structure, have certain Resisting fractre and tensile strength.
Mandrel 1 is mainly used for connecting soft head 2, taking spigot 3, development indicating 4 etc., convenient for operating the release and recycling that take spigot 3 in vitro
Deng.To meet different clinical demands, different materials can be set at different sections for mandrel 1, can also be arranged with same material
At different dimensional structures.The material of mandrel 1 can be metal, such as：Niti, stainless steel etc.；It can be macromolecule, such as PTFE, PI
Deng；It is also possible to the compound of multiple material, such as：Niti silk with PTFE coating both can guarantee certain resist using this material
Fracture and tensile strength, and can guarantee show it is smooth, have better passability.1 length of mandrel can be carried out according to clinical demand
Adjustment, can be in the longer of all one end settings for taking spigot 3, and the other end is shorter, such as Fig. 9；It is also possible to all take 3 liang of spigot
The length at end is similar, such as Figure 14.
Wherein, mandrel 1 can also be just connected to the end for taking spigot 3 through taking in spigot 3.
Wherein, at least one end of mandrel 1 can be equipped with soft head 2, and the hardness of soft head 2 is less than the hardness of mandrel 1.Soft head
2 setting makes to take bolt device not allow easy damaged blood vessel and scratch instrument.The specific soft or hard degree of soft head 2 can be according to the application of instrument
Position is adjusted, and material can be the assembly of metal material, high molecular material or both.
Specifically, mandrel 1 can be provided with soft head 2 with both ends, and the both ends of mandrel 1 will not damage blood vessel, and mandrel 1 is whole
It can fully enter in blood vessel.When in use, first soft head 2 of mandrel 1 can be made first to enter in blood vessel from into wound 6,
Mandrel 1 is constantly mobile, enters second soft head 2 of mandrel 1 also in blood vessel from into wound 6, first on mandrel is soft
First 2 and thrombus 9 from removing after wound 8 removes, mandrel 1 can continue to move by former direction, until second soft head 2 can also be with
It is directly removed from wound 8 is removed, so as to easily bolt device be taken to take out from blood vessel in the case where not damaging blood vessel.
Or only soft head 2 can be arranged in one end in mandrel 1, advantageously reduce manufacturing cost.At this point it is possible to only make to be arranged
One end of soft head 2 be passed through it is intravascular, and the other end do not enter always it is intravascular.It is created from entrance one end that soft head 2 is set on mandrel 1
After mouthfuls 6 enter blood vessel, mandrel 1 is always by former direction movement, until thrombus is with taking spigot to remove from wound 8 is removed.It is then possible to
The thrombus cleaning on bolt device will be taken clean, then mandrel 1 is made to drive that has cleared up to take spigot counter motion to realize taking for mandrel 1
Out.
Furthermore Figure 15 is please referred to, one end of mandrel 1 can be equipped with soft head and the other end is equipped with soft for being detachably connected this
The soft head connector 10 of head, so that mandrel 1 can constitute end to end closed loop configuration.
When in use, Figure 16 is please referred to, the one end that soft head 2 first can be arranged in mandrel 1 is intravascular from wound feeding is entered
And continue to move to, when taking spigot to drive thrombus from after removing wound removal blood vessel, the soft head connector 10 on the outside of blood vessel will be located at
It is connect with soft head 2, mandrel 1 is made to form a sealing ring, meanwhile, the thrombus cleaning adhered in spigot will be taken clean.
Then, continuing on former moving direction pulls mandrel 1 to be moved, and makes that spigot is taken to be again introduced into intravascular taken
Bolt.After this time thrombus takes out blood vessel, after the thrombus cleaning in spigot can will be taken clean, the above closed mandrel 1 of pulling is repeated
The process of movement, continue several times take bolt to operate, until Intravascular Thrombus thoroughly removes.Hereafter, unlock soft head 2 with it is soft
The head and the tail connection of head connector 10, withdraws from and takes bolt device.The application method, which can evade, repeatedly takes bolt to need repeatedly to be sent into the process
The problem of mandrel 1, convenient for improving the efficiency for repeatedly taking bolt.Wherein it is preferred to which the material of soft head connector 10 can be selected usually
The material of soft head 2 is set.
Further, it can also include the first conduit for collecting thrombus 9 at the removal wound 8 of blood vessel that this, which takes bolt device,
7, the first conduit 7 is the communicating structure of both ends open, so that mandrel 1 passes through from the first conduit 7.Referring to FIG. 1, mandrel 1 from
Enter blood vessel into wound 6, and drive thrombus 9 mobile towards the removal wound 8 on blood vessel, the first conduit 7 is plugged on blood vessel
Removal wound 8 at, mandrel 1 drives thrombus 9 to be moved directly in the first conduit 7, convenient for collecting to thrombus 9, and can be to avoid
Thrombus causes to damage to wound 8 is removed.
Based on any of the above embodiments, referring to FIG. 1, it can also include for the entrance in blood vessel that this, which takes bolt device,
Auxiliary takes spigot 3 to enter endovascular second conduit 5 at wound 6, takes spigot 3 that can movably shrink in the second conduit 5.
When in use, first selection takes the outlet of spigot approach and thrombus 9, determines that being located at entering for 9 two sides of thrombus creates
Mouth 6 and removal wound 8.It is placed in the first conduit 7 along 9 outlet of thrombus, edge takes spigot approach to be placed in the second conduit 5.It is logical to push mandrel 1
Cross thrombus section, into the first conduit 7 in and stretch out external.It fixes the first conduit 7 and the second conduit 5 is motionless, towards the first conduit 7
Layback goes out mandrel 1, and thrombus 9 is pulled in the first conduit 7.Wherein, in the blood vessels, take spigot 3 that can be expanded into straight with blood vessel
Diameter is identical.Mandrel 1 is pushed towards wound 8 is removed, so that mandrel 1 is passed through thrombus 9, takes spigot 3 that can move together with mandrel 1, with
Mandrel 1 and the continuous movement for taking spigot 3, thrombus 9 are taken spigot 3 to cut and capture, and thrombus 9 can be with taking spigot 3 and mandrel 1 one
It rises in the first conduit 7 for entering and removing at wound 8, completes leading to again for blood vessel.
Due to taking spigot 3, volume may be larger upon discharge, and release conditions enter internal or endovascular possible in the process
Blood vessel can be damaged.In the present embodiment, can will first take spigot 3 to be contracted in the second conduit 5, by the second conduit 5 from enter wound 6
It is sent into intravascular, spigot 3 will be taken to release from the second conduit 5 again in the blood vessels and discharged, but the second conduit 5 is without wearing
Thrombus 9 is crossed, it is intravascular so as to conveniently take spigot 3 to enter, it further increases and takes bolt efficiency, reduce the injury to patient.
Based on any of the above embodiments, referring to FIG. 3, this take bolt device can also include be connected to take spigot 3 and/
Or the development indicating 4 on mandrel 1.One takes and one or more development indicatings can be set in bolt device specifically each takes bolt
The both ends of part 3 can be equipped with development indicating 4.The X-ray transparent of development indicating 4 is poor, takes bolt convenient for observation in surgical procedure
Position and form of the device in human vas.Develop the metal material that the common material of indicating 4 is X-ray transparent difference, such as：
Gold, platinum, tantalum, tungsten etc.；Or the high molecular material doped with X-ray transparent difference material, such as：Doped with BaSO4、Bi2O3Height
Molecular material.Development indicating 4 can be set to variform, specifically, development indicating 4 can for spring like develop indicating 41,
Or cyclic annular develop indicating 43 or Filamentous development indicating 42.In addition, development and takes spigot 3 or the connection type of mandrel 1 can at indicating 4
To be welding, it is bonded, winding, welding etc..
Based on any of the above embodiments, taking spigot 3 is several, is specifically as follows one or at least two, institute
Have and spigot 3 is taken to set gradually along the extending direction of mandrel 1.This takes takes 3 quantity of spigot that can infinitely increase on bolt device, Zhi Daoman
Sufficient clinical demand thereby may be ensured that multiple thrombus 9 or long thrombus can be taken spigot 3 to capture, and repeatedly take bolt without carrying out
Operation, it is easy to operate, it can be improved the effect for taking thrombus 9.In addition, distal end takes spigot 3 that can serve as distal protector, prevent
It draws broken thrombus 9 to flow into distal vessels and causes embolism.
Further, taking spigot 3 can be bracket, and thrombus cutting effect is relatively preferable.
Or taking spigot 3 can be the mesh basket with filter structure, protecting effect is relatively preferable.Further, bolt is taken
Part 3 can be both ends open formula mesh basket 31 or formula mesh basket 34 closed at both ends or formula mesh basket closed at one end open at one end.Wherein, one
End opening formula mesh basket closed at one end be specifically as follows opening be inclined-plane first kind formula mesh basket 32 closed at one end open at one end and
Opening is the second class formula mesh basket 33 closed at one end open at one end on non-inclined-plane；It can also be porous type mesh basket 35, as shown in figure 8,
It more specifically, porous type mesh basket can be combined for porous polymeric membranes with metallic framework, or is all-metal part.It is same
Same mesh basket can be assembled by taking on bolt device, as shown in Figure 9；Mesh basket not of the same race can also be assembled, as shown in Figure 10.The diameter of mesh basket
It can be according to the clinic of instrument to power size, the diameter of mesh basket, the quantity of mesh basket, dilute close degree of each grid, pattern structure
Demand is adjusted.In addition, the opening direction of mesh basket can also be arranged to whole formal dress according to blood flow direction and clinical demand, such as
Fig. 9；Or it all instead fills, such as Figure 11；Or part formal dress, the anti-dress in part, such as Figure 12.Bolt device is taken to can be the mesh basket of same diameter
It is assembled, such as Fig. 9；The mesh basket for being also possible to diameter not of the same race is assembled, such as Figure 13.The processing method of mesh basket can be sharp
Light cutting metal pipe material forms, as shown in Figure 4, Figure 5；It is also possible to metal wire knitted to form, as shown in Figure 6, Figure 7.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Bolt device is taken to be described in detail to provided by the present invention above.Specific case used herein is to the present invention
Principle and embodiment be expounded, method and its core of the invention that the above embodiments are only used to help understand
Thought is thought.It should be pointed out that for those skilled in the art, without departing from the principle of the present invention,
Can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection scope of the claims in the present invention
It is interior.
Claims (10)
1. one kind takes bolt device, which is characterized in that including：
It takes spigot (3), it is described to take spigot (3) that there is self-expanding；
Mandrel (1), it is described that spigot (3) is taken to be connected to the mandrel (1), the mandrel (1) for drive it is described take spigot (3) by
Positioned at the removal wound (8) for moving to the other side into wound (6) of thrombus (9) side on blood vessel, so that described take spigot (3) band
Dynamic thrombus (9) are removed from the removal wound (8).
2. according to claim 1 take bolt device, which is characterized in that the both ends of the mandrel (1) are equipped with soft head (2), institute
The hardness for stating soft head (2) is less than the hardness of the mandrel (1).
3. according to claim 1 take bolt device, which is characterized in that only one end is equipped with soft head (2) to the mandrel (1), described
The hardness of soft head (2) is less than the hardness of the mandrel (1).
4. according to claim 1 take bolt device, which is characterized in that one end of mandrel other end equipped with soft head (2)
Equipped with the soft head connector for being detachably connected the soft head (2), so that the mandrel (1) can constitute end to end close
Ring structure；The hardness of the soft head (2) is less than the hardness of the mandrel (1).
5. according to claim 1 take bolt device, which is characterized in that further include for being received at the removal wound (8) of blood vessel
Take the first conduit (7) of thrombus (9), first conduit (7) is the communicating structure of both ends open, so that the mandrel is from described
First conduit passes through in (7).
6. according to claim 5 take bolt device, which is characterized in that further include for auxiliary at wound (6) in entering for blood vessel
Help it is described take spigot (3) to enter endovascular second conduit (5), it is described to take spigot (3) that movably shrink in described the
In two conduits (5).
7. according to claim 1 take bolt device, which is characterized in that further include being connected to the spigot (3) and/or described of taking
Development indicating (4) on mandrel (1).
8. according to claim 1 to taking bolt device described in 7 any one, which is characterized in that it is described that take spigot (3) be several,
Spigot (3) is taken to set gradually along the extending direction of the mandrel (1) described in all.
9. according to claim 8 take bolt device, which is characterized in that described to take spigot (3) for bracket.
10. according to claim 8 take bolt device, which is characterized in that described to take spigot (3) for the net with filter structure
Basket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810769730.6A CN108852466B (en) | 2018-07-13 | 2018-07-13 | Thrombus taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810769730.6A CN108852466B (en) | 2018-07-13 | 2018-07-13 | Thrombus taking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108852466A true CN108852466A (en) | 2018-11-23 |
| CN108852466B CN108852466B (en) | 2021-07-06 |
Family
ID=64301788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810769730.6A Active CN108852466B (en) | 2018-07-13 | 2018-07-13 | Thrombus taking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108852466B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110353762A (en) * | 2019-06-19 | 2019-10-22 | 中国人民解放军陆军军医大学第一附属医院 | One kind taking pin device |
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