CN104338187B - Artificial blood vessel protection is overlapped and includes the artificial blood vessel protection device of this protection set - Google Patents
Artificial blood vessel protection is overlapped and includes the artificial blood vessel protection device of this protection set Download PDFInfo
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- CN104338187B CN104338187B CN201310338562.2A CN201310338562A CN104338187B CN 104338187 B CN104338187 B CN 104338187B CN 201310338562 A CN201310338562 A CN 201310338562A CN 104338187 B CN104338187 B CN 104338187B
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- blood vessel
- artificial blood
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
- A61M60/148—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- External Artificial Organs (AREA)
Abstract
Artificial blood vessel protection set (1), is formed by connecting by multiple identical protection ring unit (10), and protection ring unit includes: ring body (101)；From the axis direction of the end face (101a) of ring body, annularly body, towards first direction extend two first flanges (102), the first flange is arranged face to face in the first diametric(al) of ring body and is respectively equipped with hole (104)；And axis direction from the other end (101b) of ring body, annularly body, two the second flanges (103) extending towards the second direction contrary with first direction; two second flanges are arranged face to face on the Second bobbin diameter direction of ring body and are respectively equipped with projection (105); first diametric(al) becomes vertical relation with Second bobbin diameter direction; in multiple protection ring unit, the connection of two adjacent protection ring unit is to be connected with protruding matched in clearance by hole and realize.Artificial blood vessel protection device (100), including above-mentioned artificial blood vessel protection set, snap ring and tail ring.
Description
Technical field
The present invention relates to the adnexa of human assistance heart pump, relate more specifically to artificial blood vessel and protect
Sheath and include this protection set artificial blood vessel protection device.
Background technology
Human assistance heart is arranged on apex of the heart position, Human left ventricle lower end, and blood delivery side of pump utilizes
A piece artificial blood vessel is connected to aortic root.Due to installation site and angle, artificial
It is easily deformed, after deformation when blood vessel is excessive at angle of bend or is extruded by surrounding body's internal organs
Artificial blood vessel content be easily formed thrombosis, it is unfavorable that human body can be caused by thrombosis.Above-mentioned in order to prevent
The appearance of phenomenon, needs to set up protection device outside artificial blood vessel.
Publication date be on May 23rd, 2012, notification number be CN202223620U, title
In Chinese patent for " the outlet attachment structure of left ventricle assist blood pump ", disclose a kind of people
Hemopoietic protection of pipe device.
In this patent documentation, the tubular body of artificial blood vessel protection set uses the hole being uniform staggered with
Gap structure realizes the free bend of certain angle, and wherein said hole is on tubular body tube wall
Elongated hole.
It addition, consolidating of position is overlapped in the fixing and artificial blood vessel protection that artificial blood vessel and blood pump export
Surely realized by a Ω shape clip.By banding Ω shape clip, thus by artificial blood
Pipe is fixed in blood pump outlet.Projection also it is evenly equipped with, these protruding and artificial blood on Ω shape clip
It is in mating connection that protection of pipe overlaps the bayonet socket arranged on one end, thus by fixing for artificial blood vessel protection set
On Ω shape clip, i.e. secure the position of artificial blood vessel protection set.
Technique scheme there is the problem that owing to artificial blood vessel protection set is certain with having
The material of hardness is made, so the artificial blood vessel protection of the above-mentioned pore structure with elongated hole
The angular range that set can bend is little, and the protection of above-mentioned artificial blood vessel is enclosed within bending certain angle
After can form internal stress and extrude surrounding body's internal organs.
It addition, the manufacture of the pore structure on above-mentioned artificial blood vessel protection cannula-like body is processed multiple
Miscellaneous, production cost is of a relatively high.
And, the length of above-mentioned artificial blood vessel protection set completes to be changeless once manufacture,
Its adaptability is poor.
Additionally, above-mentioned Ω shape clip the most easily occurs artificial blood vessel and blood pump
The clamping of mouth is insufficient, thus causes blood leakage and the situation of artificial blood vessel fold.
It addition, the projection on above-mentioned Ω shape clip protects fixing of the bayonet socket put with artificial blood vessel
Connected mode causes artificial blood vessel protection to be enclosed within their link position and substantially can not bend,
Thus limit the artificial blood vessel bending degree of freedom in this position.
Summary of the invention
It is desirable to provide a kind of artificial blood vessel protection set that can solve above-mentioned technical problem and bag
Include the artificial blood vessel protection device of this protection set.
Specifically, the invention provides a kind of artificial blood vessel protection set, described artificial blood vessel is protected
Set has tubular body, and wherein said artificial blood vessel protection set is by multiple identical protection ring unit
Being formed by connecting, described protection ring unit includes: ring body；From one of described ring body
End face, the axis direction along ring body, two the first flanges towards first direction extension,
Said two the first flange is arranged in the first diametric(al) of ring body face to face, and
It is respectively equipped with the hole vertical with described axis direction on said two the first flange；And from described
Another end face of ring body, axis direction, court and described first party along ring body
Two the second flanges extended to contrary second direction, said two the second flange is in annular originally
Arrange face to face on the Second bobbin diameter direction of body, and set respectively on said two the second flange
There is the projection vertical with described axis direction, said two the first flange place described first straight
Direction, footpath becomes vertical relation with the described Second bobbin diameter direction at said two the second flange place, institute
Stating in multiple protection ring unit, the connection of two adjacent protection ring unit is by one of them
Hole on first flange of protection ring unit respectively with on the second flange of another protection ring unit
Protruding being connected and realize, described in be connected be that matched in clearance connects, to allow
Described two adjacent protection ring unit can be pivotably movable with respect each other.
Owing to the protection ring unit in each two adjacent guard rings unit can relative to each other turn
Dynamic, thus the artificial blood vessel being so the formed by connecting protection set of the present invention possessed more direction,
The crooking ability of greater angle, and artificial blood vessel protection is enclosed within BENDING PROCESS in will not producing
Stress, from without extruding surrounding body's internal organs.
It addition, the manufacture processing of such artificial blood vessel protection set becomes simple, it is only necessary to make
Then some identical protection ring unit are attached, thus reduce production cost.
Furthermore, it is possible to as required, adjusted by the quantity selecting protection ring unit to be connected
The length of joint artificial blood vessel protection set, compared with the artificial blood vessel protection set that length is fixing, has
More preferable adaptability.
Preferably, the quantity of described protection ring unit is at least 4.
Preferably, two the first flanges of described protection ring unit and the outer circumference surface of ring body
Concordant, and two the second flanges of described protection ring unit are concordant with the inner peripheral surface of ring body.
Such flush configuration of protection ring unit ensure that the tubulose of the artificial blood vessel protection set connected
The inside and out of body does not all have any step or projection, is positioned at artificial blood from without extruding
Protection of pipe set artificial blood vessel within 1 and outside surrounding body's internal organs
Preferably, described protection ring unit is one-body molded by Shooting Technique by nonmetallic materials.
It is highly preferred that the seamed edge of described protection ring unit is with smooth injection fillet.Protection ring unit
Injection fillet on seamed edge can preferably protect artificial blood vessel so that it is deforms from extrusion, with
Cause in destroyed.
Present invention also offers a kind of artificial blood vessel protection device, including: people as elucidated before
Hemopoietic protection of pipe set；The shackle member being connected with one end of described artificial blood vessel protection set, described card
Fitting for being clamped in an artificial accessory heart blood delivery side of pump by artificial blood vessel；And with
The tail ring that the other end of described artificial blood vessel protection set is connected.
Preferably, described shackle member is snap ring, and described snap ring includes: define for receiving people
The fixed part of the centre bore of hemopoietic pipe, described fixed part along its axis direction include annular base with
And with described annular base all-in-one-piece, annular half portion in part-toroidal；And it is solid with described
Determine cantilever that annular half portion in portion arranges face to face, in part-toroidal, described cantilever and institute
The annular base stating fixed part is separated, and the first end of described cantilever and described fixed part
First end in annular half portion is integral, and the second end of described cantilever and the annular of described fixed part
An opening is limited between second end in half portion；And regulation screw, described regulation screw can be movable
Be connected to the second end of described cantilever and second end in annular half portion of described fixed part, thus
Described cantilever can be made to move towards annular half portion of described fixed part by operating described regulation screw
Dynamic, in order to artificial blood vessel to be clamped on human assistance cardiac blood delivery side of pump.When snap ring clamps
Time on artificial blood vessel, the part that snap ring contacts with artificial blood vessel is except the ring of cantilever Yu fixed part
Outside the adjustable movable annulus formed between shape half portion, the also annular base of fixed part,
This annular base is a complete clamping rings, therefore clamps the most firm, avoids simultaneously
The clamping exporting artificial blood vessel and blood pump of the prior art is insufficient, thus causes blood to let out
Leakage and the situation of artificial blood vessel fold.
Preferably, the radial thickness of described cantilever is less than the radial thickness of described fixed part.Radially
The less cantilever of thickness can more easily annular half portion towards fixed part move, thus with less
Power operation snap ring just artificial blood vessel can be clamped on human assistance cardiac blood delivery side of pump.
Preferably, the excircle of the annular base of the fixed part of described snap ring is provided with two screw threads
Hole, the two screwed hole is arranged in the diametrically opposed of annular base, and the annular end
The external dimensions of seat be designed to be accepted into described protection ring unit two the first flanges it
Between, thus when the annular base of the fixed part of described snap ring is accepted into described protection ring unit
Between two the first flanges and described snap ring fixed part annular base on two screw threads
Hole respectively with the hole on two the first flanges of described protection ring unit on time, two spiral shells can be passed through
Described protection ring unit can be rotationally coupled to described snap ring by nail, in order to realize described artificial blood
Protection of pipe set and the connection of described snap ring, guarantee that described artificial blood vessel protection set can be relative to simultaneously
Described snap ring rotates.Protection ring unit can be rotationally coupled to snap ring, which ensure that artificial blood vessel
Protection is enclosed within after being connected on snap ring, and artificial blood vessel protection is enclosed within link position still may be used
To have bigger angle of bend scope.
Preferably, the annular base of the fixed part of described snap ring is provided with said two screwed hole
Plane is processed at two positions respectively.The annular base of the fixed part of snap ring and protection ring unit
Form plane contact at the link position of two the first both, thus be more beneficial for realizing protecting
The connection therebetween of retaining ring unit and snap ring.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of a kind of artificial blood vessel protection device of the prior art, it is shown that people
Hemopoietic protection of pipe device and an artificial accessory heart blood delivery side of pump are connected.
Fig. 2 is the axonometric chart of the artificial blood vessel protection device of exemplary embodiment of the present, it is shown that
Artificial blood vessel protection device is connected with an artificial accessory heart blood delivery side of pump.
Fig. 3 is the axonometric chart of the protection ring unit of exemplary embodiment of the present.
Fig. 4 is the axonometric chart of the snap ring of exemplary embodiment of the present.
Fig. 5 is a profile of snap ring shown in Fig. 4.
Fig. 6 is to illustrate that artificial blood vessel is clamped in human assistance heart pump by the snap ring shown in Fig. 4
Sectional view in outlet, this view also shows the artificial blood vessel being enclosed within artificial blood vessel on right side
Protect the sectional view that adjacent two protection ring unit of set are in mating connection.
Fig. 7 is to illustrate the sectional view that protection ring unit is connected to snap ring.
Fig. 8 is the sectional view of the tail ring of exemplary embodiment of the present, and wherein tail ring is connected to people
Hemopoietic protection of pipe puts.
Detailed description of the invention:
It is the axonometric chart of the artificial blood vessel protection device 100 of the present invention with reference to Fig. 2, Fig. 2, its
In show artificial blood vessel protection device 100 and an artificial accessory heart blood delivery side of pump phase
Even.Artificial blood vessel protection device 100 includes artificial blood vessel protection set 1 and described artificial blood vessel
One end of protection set 1 is connected and is used for shown in artificial blood vessel 5(Fig. 6) it is clamped in manually
Shown in accessory heart blood delivery side of pump 6(Fig. 6) on snap ring 2 and with artificial blood vessel protect
The tail ring 3 that the other end of sheath 1 is connected.
Artificial blood vessel protection set 1 shown in Fig. 2 has tubular body and by multiple identical
Protection ring unit 10 is formed by connecting.
The structure of protection ring unit 10 is shown in Fig. 3, Fig. 6 and Fig. 7.Specifically, see
Fig. 3, protection ring unit 10 includes 101, two the first flanges 102 of ring body and two
Two flanges 103.
Two the first flanges 102 are from an end face 101a of ring body 101, along annular basis
The axis direction of body 101, extend towards first direction.Two the first flanges 102 are at ring body
Arrange face to face in first diametric(al) of 101, and on two the first flanges 102 respectively
It is provided with the hole 104 vertical with described axis direction.
Two the second flanges 103 are from another end face 101b of ring body 101, along annular
The axis direction of body 101, extend towards second direction opposite to the first direction.Two
Second flange 103 is arranged on the Second bobbin diameter direction of ring body 101 face to face, and
It is respectively equipped with the projection 105 vertical with described axis direction on two the second flanges 103.
First diametric(al) at two the first flange 102 places and two the second flange 103 places
Second bobbin diameter direction become vertical relation.
The connection of two protection ring unit 10 can be accomplished as follows, namely by wherein one
Hole 104 on first flange 102 of individual protection ring unit respectively with another protection ring unit
On second flange 103, projection 105 is in mating connection, as shown on the right side of Fig. 6.Described cooperation connects
Connect is that matched in clearance connects.So, two the protection ring unit connected can be around hole
104 and protruding 105 axis limited are pivotably movable with respect each other.
It is to say, connected two protection ring unit are provided with spatially and turn
Dynamic degree of freedom.Preferably, at least 4 protection ring unit are connected, just in the manner described above
The warp architecture with three rotational freedoms spatially can be formed.
Owing to the protection ring unit in each two adjacent guard rings unit can relative to each other turn
It is dynamic, so artificial blood vessel protection set 1 has possessed more than the artificial blood vessel of prior art protection set
Direction, the crooking ability of greater angle, and artificial blood vessel protection be enclosed within BENDING PROCESS will not
Produce internal stress, from without extruding surrounding body's internal organs.
It addition, the manufacture processing of such artificial blood vessel protection set 1 becomes simple, it is only necessary to system
Become some identical protection ring unit to be then attached, thus reduce production cost.
Furthermore, it is possible to as required, adjusted by the quantity selecting protection ring unit to be connected
The length of joint artificial blood vessel protection set 1, compared with the artificial blood vessel protection set that length is fixing, tool
There is more preferable adaptability.
Preferably, outside two the first flanges 102 of protection ring unit 10 are with ring body 101
Periphery is concordant, and two second flanges 103 and ring bodies of described protection ring unit 10
The inner peripheral surface of 101 is concordant.Such flush configuration of protection ring unit 10 ensure that and connects
The inside and out of tubular body of artificial blood vessel protection set 1 all there is no any step or prominent
Rise, from being positioned at the artificial blood vessel within artificial blood vessel protection set 1 and outside week without extruding
Enclose human internal organ.
Preferably, protection ring unit 10 can be become by Shooting Technique one by nonmetallic materials
Type.It is highly preferred that the seamed edge of protection ring unit 10 can be with smooth injection fillet, in order to
Preferably protect artificial blood vessel so that it is from extrusion deformation, so that destroyed.
Figure 4 and 5 show the exemplary embodiment of the snap ring 2 of the present invention.Snap ring 2 includes solid
Determine portion 21, cantilever 22 and regulation screw 4.Regulation screw 4 only figure 6 illustrates.
Fixed part 21 defines the centre bore for receiving artificial blood vessel 5, and fixed part 21
Along its axis direction include annular base and with annular base all-in-one-piece, in part-toroidal
Annular half portion.
Cantilever 22 is arranged face to face in part-toroidal and with annular half portion of fixed part 21,
The most therebetween the annular space for receiving artificial blood vessel 5 is defined.Cantilever 22 is with solid
The annular base determining portion 21 is separated, and the first end 221 and fixed part 21 of cantilever 22
First end 211 in annular half portion integral, and the second end 222 and fixed part of cantilever 22
An opening is limited between second end 212 in annular half portion of 21.So, except the first end 221
In addition, the remainder of cantilever 22 is in suspention shape, and therefore cantilever 22 can be towards fixed part 21
Annular half portion move so that between annular half portion of cantilever 22 and fixed part 21 limit
Annular space diminishes, and then makes chucking power therebetween increase.
Second end 222 of cantilever 22 can be provided with and can receive at least one of of regulation screw 4
Screwed hole, correspondingly, second end 212 in annular half portion of fixed part 21 also is provided with receiving tune
At least one of screwed hole of joint screw 4, so regulation screw 4 just can be connected movably to
Second end 222 of cantilever 22 and second end 212 in annular half portion of fixed part 21.Connect
After, make cantilever 22 move towards annular half portion of fixed part 21 by screwing regulation screw 4,
Artificial blood vessel 5 to be clamped on human assistance cardiac blood delivery side of pump 6.
Obviously, second end 212 in annular half portion of the second end 222 of cantilever 22 and fixed part 21
Screwed hole on two ends is exemplary, it would however also be possible to employ other are connected with regulation screw 4
Structure.Such as, on two the second ends one of the most wherein on be threaded hole, and on another
Arranging through hole, regulation screw uses the regulation screw with head, and regulates the size of screw
It is set to that, when regulating screw and being threaded into hole through through hole, the head of regulation screw is fitted in logical
Outside hole, the side by through hole place is spacing.
Note that when snap ring 21 is clamped on artificial blood vessel 5, snap ring 21 and artificial blood vessel
The part of 5 contacts is except the scalable formed between annular half portion of cantilever 22 and fixed part 21
Movable annulus outside, the also annular base of fixed part 21, this annular base be one complete
Clamping rings, therefore clamp the most firm, avoid of the prior art to artificial blood simultaneously
The clamping of pipe and blood pump outlet is insufficient, thus causes blood leakage and the feelings of artificial blood vessel fold
Condition.
Preferably, the radial thickness of cantilever 22 is less than the radial thickness of fixed part 21.So,
The less cantilever 22 of radial thickness just can more easily annular half portion towards fixed part 21 move,
Thus just artificial blood vessel 5 can be clamped in human assistance cardiac blood with less power operation snap ring 2
On delivery side of pump 6.
In one embodiment of the invention, artificial blood vessel protection set 1 to be connected to snap ring 2
On, it is not necessary to the protection ring unit 10 for composition artificial blood vessel protection set 1 designs special structure,
Also without increasing extra fixed component, but it is achieved by.Specifically, such as Fig. 4
Shown in Fig. 7, the excircle of the annular base of the fixed part 21 of snap ring 2 is provided with two screw threads
Hole 213,214, diametrically opposed at annular base of the two screwed hole 213,214
Ground is arranged, and the external dimensions of annular base is designed to be accepted into protection ring unit 10
Two the first flanges 102 between, thus when the annular base of fixed part 21 of snap ring 2 is connect
Receive between two the first flanges 102 of protection ring unit 10 and the fixed part of snap ring 2
Two screwed holes 213,214 on the annular base of 21 respectively with two of protection ring unit 10
Hole 104 on first flange 102, can be by two screw 7(screws 7 only at Fig. 7 on time
Shown in) protection ring unit 10 can be rotationally coupled to snap ring 2, in order to realize artificial blood vessel
Protection set 1 and the connection of snap ring 2, guarantee that artificial blood vessel protection set 1 can be relative to snap ring simultaneously
2 rotate.
Described above is protection ring unit 10 and can be rotationally coupled to snap ring 2, which ensure that artificial
Vascular protection set 1 is after being connected on snap ring 2, and artificial blood vessel protection set 1 is connecting position
The place of putting still can have bigger angle of bend scope.
Preferably, the annular base of the fixed part 21 of snap ring 2 be provided with two screwed holes 213,
Plane (being best shown in Fig. 5) is processed at two positions of 214 respectively.So, card is worked as
The annular base of the fixed part 21 of ring 2 is accepted two the first flanges into protection ring unit 10
Two screwed holes 213,214 between 102 and on annular base respectively with protection ring unit
Hole 104 on two first flanges 102 of 10 on time, the ring of the fixed part 21 of snap ring 2
Formed flat at the link position of both two first flanges 102 of shape base and protection ring unit 10
Face contacts, thus is more beneficial for realizing protection ring unit 10 and snap ring 2 connection therebetween.
In a word, the snap ring 2 of present invention as described above is designed as integral piece, its structure design
Allow artificial blood vessel protection set 1 without increasing any structure, without increasing any extra portion
In the case of part, it is achieved that artificial blood vessel protection set 1 and the connection of snap ring 2, it is ensured that artificial
Vascular protection set 1 still can have bigger angle of bend scope, simultaneously at link position
Can more securely clamp artificial blood vessel 5 and human assistance cardiac blood delivery side of pump 6.These are all
Compared with prior art have the advantage that.
Claims (10)
1. artificial blood vessel protection set (1), described artificial blood vessel protection set (1) has pipe
Shape body, it is characterised in that: described artificial blood vessel protection set (1) is by multiple identical protection rings
Unit (10) is formed by connecting, and described protection ring unit (10) including:
Ring body (101)；
From an end face (101a) of described ring body (101), along ring body (101)
Axis direction, towards first direction extend two the first flanges (102), said two first
Flange (102) is arranged in the first diametric(al) of ring body (101) face to face, and
And it is respectively equipped with the hole vertical with described axis direction in said two the first flange (102)
(104)；And
From another end face (101b) of described ring body (101), along ring body (101)
Axis direction, two the second flanges extending towards second direction opposite to the first direction
(103), said two the second flange (103) is in the Second bobbin diameter side of ring body (101)
Arrange the most face to face, and be respectively equipped with described in said two the second flange (103)
The projection (105) that axis direction is vertical,
Described first diametric(al) at said two the first flange (102) place and said two the
The described Second bobbin diameter direction at two flanges (103) place becomes vertical relation,
In the plurality of protection ring unit (10), the connection of two adjacent protection ring unit is
By the hole (104) on first flange (102) of one of them protection ring unit respectively with separately
Being connected of projection (105) on second flange (103) of one protection ring unit and real
Existing, described in be connected be that matched in clearance connects, to allow described two adjacent protection rings
Unit can be pivotably movable with respect each other.
2. artificial blood vessel protection set (1) as claimed in claim 1, it is characterised in that: institute
The quantity stating protection ring unit (10) is at least 4.
3. artificial blood vessel protection set (1) as claimed in claim 1 or 2, it is characterised in that:
Two the first flanges (102) of described protection ring unit (10) and ring body (101)
Outer circumference surface is concordant, and two the second flanges (103) of described protection ring unit (10) and ring
The inner peripheral surface of shape body (101) is concordant.
4. artificial blood vessel protection set (1) as claimed in claim 1, it is characterised in that: institute
State protection ring unit (10) one-body molded by Shooting Technique by nonmetallic materials.
5. artificial blood vessel protection set (1) as claimed in claim 4, it is characterised in that: institute
State the seamed edge of protection ring unit (10) with smooth injection fillet.
6. an artificial blood vessel protection device (100), including:
Artificial blood vessel protection set (1) as described in one of claim 1-5；
The shackle member being connected with one end of described artificial blood vessel protection set (1), described shackle member is used
In artificial blood vessel (5) being clamped on artificial accessory heart blood delivery side of pump (6)；With
And
The tail ring (3) being connected with the other end of described artificial blood vessel protection set (1).
7. artificial blood vessel protection device (100) as claimed in claim 6, it is characterised in that:
Described shackle member is snap ring (2), and described snap ring (2) including:
Define the fixed part (21) of centre bore for receiving artificial blood vessel (5), described solid
Determine portion (21) along its axis direction include annular base and with described annular base all-in-one-piece,
Annular half portion in part-toroidal；And
That arrange face to face with annular half portion of described fixed part (21), in part-toroidal
Cantilever (22), described cantilever (22) is separated with the annular base of described fixed part (21),
And first end (221) of described cantilever (22) and annular half portion of described fixed part (21)
The first end (211) integral, and second end (222) of described cantilever (22) is with described
An opening is limited between second end (212) in annular half portion of fixed part (21)；And
Regulation screw (4), described regulation screw (4) can be connected movably to described cantilever (22)
The second end (222) and second end (212) in annular half portion of described fixed part (21),
It is thus possible to make described cantilever (22) towards described fixed part by operating described regulation screw (4)
(21) annular half portion moves, in order to artificial blood vessel (5) is clamped in human assistance cardiac blood
On delivery side of pump (6).
8. artificial blood vessel protection device (100) as claimed in claim 7, it is characterised in that:
The radial thickness of described cantilever (22) is less than the radial thickness of described fixed part (21).
9. artificial blood vessel protection device (100) as claimed in claim 7 or 8, its feature
It is: the excircle of the annular base of the fixed part (21) of described snap ring (2) is provided with two
Screwed hole (213,214), the two screwed hole (213,214) is at the diameter of annular base
It is relatively arranged on direction, and the external dimensions of annular base is designed to be accepted into described
Between two the first flanges (102) of protection ring unit (10), thus when described snap ring (2)
The annular base of fixed part (21) be accepted two into described protection ring unit (10)
Between one flange (102) and the annular base of fixed part (21) of described snap ring (2)
On two screwed holes (213,214) respectively with described protection ring unit (10) two first
Hole (104) on flange (102), can be by two screws (7) by described protection on time
Ring element (10) can be rotationally coupled to described snap ring (2), in order to realizes described artificial blood vessel
Protection set (1) and the connection of described snap ring (2), guarantee described artificial blood vessel protection set simultaneously
(1) can rotate relative to described snap ring (2).
10. artificial blood vessel protection device (100) as claimed in claim 9, it is characterised in that:
The annular base of the fixed part (21) of described snap ring (2) be provided with said two screwed hole (213,
214) plane is processed at two positions respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310338562.2A CN104338187B (en) | 2013-08-06 | 2013-08-06 | Artificial blood vessel protection is overlapped and includes the artificial blood vessel protection device of this protection set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310338562.2A CN104338187B (en) | 2013-08-06 | 2013-08-06 | Artificial blood vessel protection is overlapped and includes the artificial blood vessel protection device of this protection set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104338187A CN104338187A (en) | 2015-02-11 |
| CN104338187B true CN104338187B (en) | 2016-12-28 |
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| CN201310338562.2A Active CN104338187B (en) | 2013-08-06 | 2013-08-06 | Artificial blood vessel protection is overlapped and includes the artificial blood vessel protection device of this protection set |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2588354B1 (en) * | 1985-10-08 | 1988-04-15 | Valeo | DEVICE FOR CONNECTING AN ELASTICALLY DEFORMABLE PIPE TO A RIGID TUBE |
| WO1998025658A1 (en) * | 1996-12-13 | 1998-06-18 | W. L. Gore & Associates, Inc. | A ventricular assist device pump graft-connector and method of making |
| US7641635B2 (en) * | 2001-09-11 | 2010-01-05 | Edwards Lifesciences Corporation | Method for substantially non-delaminable smooth ventricular assist device conduit and product from same |
| JP5131796B2 (en) * | 2003-10-24 | 2013-01-30 | 株式会社サンメディカル技術研究所 | Artificial blood vessel system, connection aid and blood pump system |
| CN102357267B (en) * | 2011-08-31 | 2015-07-15 | 苏州同心医疗器械有限公司 | Outlet connecting mechanism of left ventricle assisting blood pump |
| CN203425298U (en) * | 2013-08-06 | 2014-02-12 | 北京精密机电控制设备研究所 | Artificial blood vessel protecting jacket and artificial blood vessel protecting device comprising protecting jacket |
-
2013
- 2013-08-06 CN CN201310338562.2A patent/CN104338187B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104338187A (en) | 2015-02-11 |
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Application publication date: 20150211 Assignee: Aerospace Tai Xin Technology Co., Ltd. Assignor: Beijing Research Institute of Precise Mechatronic Controls Contract record no.: 2017120000029 Denomination of invention: Artificial blood vessel protecting sleeve and artificial blood vessel protection device comprising same Granted publication date: 20161228 License type: Common License Record date: 20170228 |
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Effective date of registration: 20200102 Address after: 300457 workshop b3-04, b3-05 and b3-06, No. 17, No. 80, Haiyun street, Binhai New Area, Tianjin Patentee after: Aerospace Tai Xin Technology Co., Ltd. Address before: 100076 Beijing City, Fengtai District Dahongmen South East Highland Road No. 1 Patentee before: Beijing Research Institute of Precise Mechatronic Controls |