CN106264645B - A kind of congenital heart disease intervention operation blood current limiter - Google Patents
A kind of congenital heart disease intervention operation blood current limiter Download PDFInfo
- Publication number
- CN106264645B CN106264645B CN201610919585.6A CN201610919585A CN106264645B CN 106264645 B CN106264645 B CN 106264645B CN 201610919585 A CN201610919585 A CN 201610919585A CN 106264645 B CN106264645 B CN 106264645B
- Authority
- CN
- China
- Prior art keywords
- current limliting
- revolving fragment
- fixinig plate
- swingle
- current
- 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.)
- Expired - Fee Related
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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
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12027—Type of occlusion
- A61B17/1204—Type of occlusion temporary occlusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
Abstract
The present invention provides a kind of congenital heart diseases to intervene operation blood current limiter, including flow restriction body and current limliting revolving fragment, flow restriction body includes current limliting fixinig plate and tubular support frame, through-hole is opened up on current limliting fixinig plate, current limliting fixinig plate is fixedly connected on one end of tubular support frame, and the size of current limliting fixinig plate is not less than the size of the end face of the tubular support frame of its connection;Current limliting revolving fragment is rotated in a manner of single direction rotation to be connected on the end face of current limliting fixinig plate;By rotating current limliting revolving fragment, the size for the channel of blood flow that it is cooperatively formed with the through-hole on the current limliting fixinig plate is adjusted, to realize adjusting blood flow.The area of blood through-hole can be adjusted to the maximum area of the through-hole on current limliting fixinig plate from 0, for the blood flow of pulmonary artery to be adjusted according to actual conditions after surgery, reach optimum therapeuticing effect.
Description
Technical field
The present invention relates to the field of medical instrument technology, intervene operation blood current limiter more particularly, to a kind of congenital heart disease.
Background technique
Banding art is Complexed Congenital Heart Disease, and a large amount of left to right shunt such as Large Ventricular Septal Defects are cardiopathic
A kind of palliative operation method.Currently, traditional operation is when carrying out Banding operation, and after opening arteries and veins, the tether on pulmonary artery,
Diameter is reduced, blood flow is reduced.It, cannot since the diameter of the pulmonary artery after tether is just fixed up but after using this operation
It is adjusted according to size of the post-surgical condition to blood flow, leads to that optimal therapeutic effect cannot be reached.
Summary of the invention
In view of the above drawbacks of the prior art and problem, the object of the present invention is to provide a kind of congenital heart diseases to intervene operation blood
Liquid current limiter.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of congenital heart disease of the invention intervenes operation blood current limiter, including flow restriction body and current limliting revolving fragment, institute
Stating flow restriction body includes current limliting fixinig plate and tubular support frame, and through-hole is opened up on the current limliting fixinig plate, and the current limliting is fixed
Piece is fixedly connected on one end of the tubular support frame, and the size of the current limliting fixinig plate is not less than the tubulose of its connection
The size of the end face of support frame;The current limliting revolving fragment rotates the end for being connected to the current limliting fixinig plate in a manner of single direction rotation
On face;By rotating the current limliting revolving fragment, its blood flow through-hole cooperatively formed with the through-hole on the current limliting fixinig plate is adjusted
Size, to realize adjusting blood flow.
Further, adhere to high-molecular biologic film respectively on the flow restriction body and current limliting revolving fragment.
Further, size of the size of the current limliting revolving fragment not less than the through-hole on the current limliting fixinig plate.
Further, the shape of the current limliting revolving fragment is consistent with the shape of through-hole on the current limliting fixinig plate.
Further, the shape of the current limliting revolving fragment is sector.Preferably, semicircle.
Further, the current limliting revolving fragment is connected to the end face of the current limliting fixinig plate using the rotation of single direction rotation structure
On, the single direction rotation structure includes swingle and turnbarrel, and the turnbarrel is fixedly connected on the current limliting fixinig plate
On, the swingle is fixedly connected in the one side of the current limliting revolving fragment;At least one is connected on the circumference of the swingle
The elastic double wedge extended along a tangential direction opens up and elasticity on the side wall of the turnbarrel corresponding with the elasticity double wedge
The card hole that double wedge matches;It is caught in the mode in the card hole with the elastic double wedge, the swingle is socketed in the rotation
Inside rotaring sleeve, the single direction rotation of current limliting revolving fragment is realized.
Further, the clamping of bulge loop and annular groove is also added in the single direction rotation structure of the swingle and turnbarrel
Connection;Bulge loop is connected on the circumference of the swingle, and the annular recess with bulge loop cooperation is opened up on the side wall of the turnbarrel;
The elasticity double wedge is connected on the circumference of above-mentioned bulge loop, and the card hole is correspondingly provided on the side wall of above-mentioned annular recess.
Further, bulge loop and annular recess cooperation are assembled, the elasticity double wedge is caught in the card hole, current limliting rotation
The single direction rotation of piece.
Further, the quantity of the elastic double wedge is 4-8.
Further, the flow restriction body is obtained using memory alloy wire integrated woven;The current limliting revolving fragment is
The netted sheet body woven using memory alloy wire, or use Nitinol thin slice.
Further, the swingle and turnbarrel are all made of titanium alloy material preparation;The elasticity double wedge is using poly-
Vinyl chloride plastic is prepared, or uses memory alloy wire knitting forming;It, can also be in polychlorostyrene when using igelite
The elastic double wedge surface of vinyl plastics sprays one layer of teflon coatings.
Further, the elastic double wedge includes limiting section, convex teeth portion and throat, and the throat connects limiting section and double wedge
Portion, the swingle use hollow stem, open up on the circumference of the hollow stem and match with the throat of the elastic double wedge
Bayonet, limiting section is fastened in the hollow cavity of hollow stem, throat is fastened on mode in the bayonet, and elastic double wedge is connected
It connects on the circumference of the swingle.
Further, the blood current limiter further includes screw rod external piece, with the swingle on the same line
The screw rod external piece is connected on the another side of the current limliting revolving fragment by mode.
Further, when the current limliting revolving fragment is fan-shaped, the swingle and the screw rod external piece are the same as always
Mode on line is connected on two faces of fan-shaped corner position of the current limliting revolving fragment.
A kind of congenital heart disease intervention operation of the invention with blood current limiter by rotation current limliting revolving fragment, then blood through-hole
Area can be adjusted to the maximum area of the through-hole on current limliting fixinig plate from 0, for after surgery according to actual conditions to pulmonary artery
Blood flow be adjusted, reach optimum therapeuticing effect.
The present invention has carried out preferred design by the geomery to the through-hole on current limliting revolving fragment and current limliting fixinig plate, with
Guarantee the validity blocked.And a kind of single direction rotation structure has further been preferably provided, structure is simple and effective, can be effectively controlled limit
The single direction rotation of revolving fragment is flowed, guarantees the disengaging of conveyer and current limiter.And in the single direction rotation structure of unlike material
The Optimal Structure Designing that elastic double wedge carries out, guarantees to be fixedly connected, not fall off.
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
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the schematic view of the front view of congenital heart disease intervention operation blood current limiter of the invention;
Fig. 2 is the overlooking structure diagram of congenital heart disease intervention operation blood current limiter of the invention;
Fig. 3 is the overlooking structure diagram of congenital heart disease intervention operation blood current limiter of the invention;
Fig. 4 is the structural schematic diagram of current limliting revolving fragment of the invention;
Fig. 5 is the lateral schematic cross-sectional view of single direction rotation structure of the invention;
Fig. 6 is longitudinal schematic cross-sectional view of single direction rotation structure of the invention;
Fig. 7 is the attachment structure schematic diagram of swingle and elastic double wedge of the invention.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution of the present invention is clearly and completely described, it is clear that
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The scope of protection of the invention.
In conjunction with shown in Fig. 1 to Fig. 7, illustrate a kind of congenital heart disease intervention operation blood current limiter of the invention.The blood
Current limiter includes flow restriction body 1 and current limliting revolving fragment 2.The flow restriction body 1 includes current limliting fixinig plate 11 and tubular support
Frame 12 opens up through-hole 111 on the current limliting fixinig plate 11, and the current limliting fixinig plate 11 is fixedly connected on the tubular support frame 12
One end on, the size of the size of the current limliting fixinig plate 11 not less than the end face of the tubular support frame 12 of its connection.Institute
Stating flow restriction body 1 can prepare and then be fixedly connected respectively, can also be prepared using integrally formed mode, preferably be adopted
It is prepared with integrated molding mode, is such as obtained using memory alloy wire integrated woven.The flow restriction body 1 obtained using integrated woven
Shape similar to mushroom.And adhere to macromolecule respectively on the inner surface of the flow restriction body and the two sides of current limliting revolving fragment
Biomembrane increases rear and endangium fusion growth in current limiter merging blood vessel.
Endovascular position is placed on when the size of the current limliting fixinig plate 11 is according to practical application to determine.If put
It sets in the blood vessels, then designs the size one of the end face of the size tubular support frame 12 connected to it of current limliting fixinig plate 11
It causes.If placement location is located at the intersection of blood vessel, the size for designing current limliting fixinig plate 11 is described greater than connected to it
Current limliting fixinig plate 11 is completely covered by intersection in the size of the end face of tubular support frame 12, guarantees current limitation effect, such as Fig. 1 institute
Show.
The current limliting revolving fragment 2 is rotated in a manner of single direction rotation to be connected on the end face of the current limliting fixinig plate 11, tool
Body, it is connected on the inner face of current limliting fixinig plate 11, i.e. the end face towards cylindrical support frame;By rotating the current limliting rotation
Piece 2 adjusts the size for the blood flow through-hole that it is cooperatively formed with the through-hole 111 on the current limliting fixinig plate 11, to realize adjusting
Blood flow.Shield portions are logical after current limliting revolving fragment 2 described in the case where not blocking and Fig. 3 rotates as shown in Figure 2
The case where hole 111.
The netted sheet body that the current limliting revolving fragment 2 can be woven using memory alloy wire;Or use Nitinol
Thin slice.
Using blood current limiter of the invention, the area of the blood flow through-hole of blood vessel can be adjusted by 0 to current limliting and be fixed
The area of through-hole 111 on piece 11, to realize control blood flow.In order to guarantee the validity adjusted, by institute in the present invention
The size not less than the through-hole 111 on the current limliting fixinig plate 11 that is designed and sized to of current limliting revolving fragment 2 is stated, and current limliting is rotated
The shape of piece 2 is consistent with the shape of through-hole 111 on the current limliting fixinig plate 11, guarantees screening of the current limliting revolving fragment 2 to through-hole 111
The validity of gear.The shape of current limliting revolving fragment 2 does not limit, such as fan-shaped, and more preferably semicircle (semicircle belongs to special fan
Shape), as shown in Figure 4.
Blood current limiter of the invention is to need to be transported to using pusher to need to adjust the intravascular of blood flow
, it needs to guarantee effectively to be detached from and exit with blood current limiter after the completion of pusher conveying.Therefore, the current limliting revolving fragment
2 are designed as being rotated in a manner of single direction rotation and are connected on the end face of the current limliting fixinig plate 11.Specifically use single direction rotation
The rotation of current limliting revolving fragment 2 is connected on the end face of the current limliting fixinig plate 11 by structure 3.As shown in figure 5, the single direction rotation knot
Structure 3 includes swingle 31 and turnbarrel 32, and the swingle 31 is fixedly connected in the one side of the current limliting revolving fragment 2 (weldering
Connecing and perhaps bind) turnbarrel 32 is fixedly connected on upper (welding or the binding) of the current limliting fixinig plate 11, the rotation
Bull stick 31 is set in turnbarrel 32, both make can relative rotary motion, to realize that current limliting revolving fragment 2 is solid with respect to current limliting
Stator 11 rotates.At least one elastic double wedge 33 extended along a tangential direction is connected on the circumference of the swingle 21, with this
The card hole 34 matched with elastic double wedge 33 is opened up on the side wall of the corresponding turnbarrel 32 of elastic double wedge 33;With described
Elastic double wedge 33 is caught in the mode in the card hole 34, and the swingle 31 is socketed in inside the turnbarrel 32, realizes
The single direction rotation of current limliting revolving fragment 2.
By the design quantity of elastic double wedge 33, different rotations can be realized in the rotary course of current limliting revolving fragment 2
Turn detent, to obtain the blood flow through-hole of different size of blood vessel.According to concrete application, the quantity of the elasticity double wedge 33 can be with
It is 4-8, preferably 6.
In pulmonary artery, being reliably connected for current limliting revolving fragment 2 is critically important for blood current limiter use of the invention, therefore, this
In invention, the clamping for also adding bulge loop and annular groove to the rotation connection of swingle 31 and turnbarrel 32 is connected, such as Fig. 6 institute
Show, that is, connect bulge loop 311 (integrated molding) on the circumference of the swingle 31, opened on the side wall of the turnbarrel 32
If the annular recess 321 (integrated molding) cooperated with bulge loop 311, bulge loop 311 and annular recess 321 are cooperated, will be rotated
Bar 31 and the rotation connection of turnbarrel 32, limit the relative position of the two, prevent in rotary course, the two takes off
From.
Preferably, above-mentioned elastic double wedge 33 is connected on the circumference of above-mentioned bulge loop, above-mentioned card hole 34 is provided with above-mentioned
It is compact-sized on the side wall of annular recess, realize the reliable rotation connection of swingle 31 and turnbarrel 32, as shown in Figure 6.
In above-mentioned single direction rotation structure 3, swingle 31 and turnbarrel 32 are all made of titanium alloy material preparation molding.Institute
Stating elastic double wedge 33 can be prepared using polyvinyl chloride (PVC) plastics, and spray one layer of Teflon on the surface of PVC plastic
Coating guarantees the wearability on surface.Since the formability of PVC plastic is high, and it is big with the material difference of swingle 31, in order to
The elastic double wedge 33 of PVC plastic material is securely connected on swingle 31, the present invention provides a kind of elastic double wedges 33
Structure, as shown in fig. 7, the elasticity double wedge 33 includes limiting section 331, convex teeth portion 332 and throat 333, the throat 333 is connected
Limiting section 331 and convex teeth portion 332, the swingle 31 use hollow stem, opened up on the circumference of the hollow stem 31 with it is described
The bayonet 312 that the throat 333 of elastic double wedge 33 matches, limiting section 331 is fastened in the hollow cavity of hollow stem 31, throat
333 are fastened on the mode in the bayonet 312, elastic double wedge 33 are connected on the circumference of the swingle 31.Utilize polychlorostyrene
The elasticity of ethylene (PVC) plastics, the feasibility of the rotation of guarantee, meanwhile, the biodegradability of polyvinyl chloride (PVC) plastics,
The elasticity double wedge disappears degradation, then the spine structure of elastic double wedge disappears, and current limiter is coated and fixed conducive to endangium.
In the present invention, the elasticity double wedge 33 can also use memory alloy wire knitting forming, then be bound in institute
Stating can (not shown) on the circumference of swingle 31.
Blood current limiter of the invention is to need to be transported to by pusher to need to adjust the intravascular of blood flow, because
This, needs for pusher to connect with blood current limiter, and guarantees effectively take off with blood current limiter after the completion of pusher conveying
From and exit.Therefore, as shown in Figure 1, blood current limiter of the invention further includes screw rod external piece 4, with the swingle 31
The screw rod external piece 4 is connected on the another side of the current limliting revolving fragment 2 by mode on the same line.The screw rod
The threaded rod that external piece 4 can be processed using titanium alloy as material.
Specifically, when current limliting revolving fragment 2 is using sector, the swingle 31 and the screw rod external piece 4 are same
Mode on straight line is connected on two faces of fan-shaped corner position of the current limliting revolving fragment 2.As shown in Figure 4,
When current limliting revolving fragment 2 is semicircular fan-shaped, link position corresponding with the section of swingle 31 is designed in the center point.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of congenital heart disease intervenes operation blood current limiter, it is characterised in that: including flow restriction body and current limliting revolving fragment, institute
Stating flow restriction body includes current limliting fixinig plate and tubular support frame, and through-hole is opened up on the current limliting fixinig plate, and the current limliting is fixed
Piece is fixedly connected on one end of the tubular support frame, and the size of the current limliting fixinig plate is not less than the tubulose of its connection
The size of the end face of support frame;The current limliting revolving fragment rotates the end for being connected to the current limliting fixinig plate in a manner of single direction rotation
On face;By rotating the current limliting revolving fragment, its blood flow through-hole cooperatively formed with the through-hole on the current limliting fixinig plate is adjusted
Size, to realize adjusting blood flow;
The current limliting revolving fragment is connected on the end face of the current limliting fixinig plate using the rotation of single direction rotation structure, the unidirectional rotation
Rotation structure includes swingle and turnbarrel, and the turnbarrel is fixedly connected on the current limliting fixinig plate, the swingle
It is fixedly connected in the one side of the current limliting revolving fragment;At least one is connected on the circumference of the swingle to extend along a tangential direction
Elastic double wedge, the card matched with elastic double wedge is opened up on the side wall of the turnbarrel corresponding with the elasticity double wedge
Hole;It is caught in the mode in the card hole with the elastic double wedge, the swingle is socketed in inside the turnbarrel, is realized
The single direction rotation of current limliting revolving fragment.
2. a kind of congenital heart disease according to claim 1 intervenes operation blood current limiter, it is characterised in that: the current limliting knot
Adhere to high-molecular biologic film respectively on structure body and current limliting revolving fragment.
3. a kind of congenital heart disease according to claim 1 intervenes operation blood current limiter, it is characterised in that: the current limliting rotation
Size of the size of rotor not less than the through-hole on the current limliting fixinig plate;The shape and the current limliting of the current limliting revolving fragment are solid
The shape of through-hole on stator is consistent;The shape of the current limliting revolving fragment is sector.
4. a kind of congenital heart disease according to claim 1 intervenes operation blood current limiter, it is characterised in that: the swingle
It is connected with the clamping for also adding bulge loop and annular groove in the single direction rotation structure of turnbarrel;It is connected on the circumference of the swingle
Bulge loop opens up the annular recess with bulge loop cooperation on the side wall of the turnbarrel;The elasticity double wedge is connected to above-mentioned bulge loop
Circumference on, the card hole is correspondingly provided on the side wall of above-mentioned annular recess;Bulge loop and annular recess cooperation are assembled, institute
It states elastic double wedge to be caught in the card hole, the single direction rotation of current limliting revolving fragment.
5. a kind of congenital heart disease according to claim 1 intervenes operation blood current limiter, it is characterised in that: the elasticity is convex
Tooth includes limiting section, convex teeth portion and throat, and throat's connection limiting section and convex teeth portion, the swingle use hollow stem,
The bayonet matched with the throat of the elastic double wedge is opened up on the circumference of the hollow stem, and limiting section is fastened on hollow stem
Hollow cavity in, throat be fastened on the mode in the bayonet, elastic double wedge is connected on the circumference of the swingle.
6. a kind of congenital heart disease according to claim 1 intervenes operation blood current limiter, it is characterised in that: the elasticity is convex
The quantity of tooth is 4-8.
7. a kind of congenital heart disease according to claim 1 intervenes operation blood current limiter, it is characterised in that: the blood limit
Flow device further include screw rod external piece, by with the swingle on the same line in a manner of, the screw rod external piece is connected to
On the another side of the current limliting revolving fragment.
8. a kind of congenital heart disease according to claim 7 intervenes operation blood current limiter, it is characterised in that: the current limliting rotation
When rotor is fan-shaped, the swingle and the screw rod external piece are connected to the limit in a manner of on the same line
It flows on two faces of fan-shaped corner position of revolving fragment.
9. a kind of congenital heart disease according to claim 1 intervenes operation blood current limiter, it is characterised in that: the current limliting knot
What structure body was obtained using memory alloy wire integrated woven;The current limliting revolving fragment be using memory alloy wire weave it is netted
Sheet body;
The swingle and turnbarrel are all made of titanium alloy material preparation;The elasticity double wedge is prepared using igelite
It obtains, or uses memory alloy wire knitting forming;When using igelite, in the elastic double wedge of igelite
Surface sprays one layer of teflon coatings.
10. a kind of congenital heart disease according to claim 1 intervenes operation blood current limiter, it is characterised in that: the current limliting
Revolving fragment uses Nitinol thin slice.
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CN201610919585.6A CN106264645B (en) | 2016-10-21 | 2016-10-21 | A kind of congenital heart disease intervention operation blood current limiter |
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CN201610919585.6A CN106264645B (en) | 2016-10-21 | 2016-10-21 | A kind of congenital heart disease intervention operation blood current limiter |
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Cited By (1)
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US11883030B2 (en) | 2022-04-29 | 2024-01-30 | inQB8 Medical Technologies, LLC | Systems, devices, and methods for controllably and selectively occluding, restricting, and diverting flow within a patient's vasculature |
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CN107174386A (en) * | 2017-04-27 | 2017-09-19 | 广州启骏生物科技有限公司 | A kind of device for treating pulmonary hypertension |
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CN1442121A (en) * | 2002-03-01 | 2003-09-17 | Aga医药有限公司 | Flow limiting apparatus in blood vessel |
CN202226187U (en) * | 2011-09-08 | 2012-05-23 | 杭州市余杭实验中学 | Adjustable glue bottle |
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US20050182483A1 (en) * | 2004-02-11 | 2005-08-18 | Cook Incorporated | Percutaneously placed prosthesis with thromboresistant valve portion |
FR2847151B1 (en) * | 2002-11-15 | 2005-01-21 | Claude Mialhe | OCCLUSIVE DEVICE WITH MEDICAL OR SURGICAL DESTINATION |
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CN1442121A (en) * | 2002-03-01 | 2003-09-17 | Aga医药有限公司 | Flow limiting apparatus in blood vessel |
CN202226187U (en) * | 2011-09-08 | 2012-05-23 | 杭州市余杭实验中学 | Adjustable glue bottle |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11883030B2 (en) | 2022-04-29 | 2024-01-30 | inQB8 Medical Technologies, LLC | Systems, devices, and methods for controllably and selectively occluding, restricting, and diverting flow within a patient's vasculature |
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