CN206303936U - A kind of left ventricle reconstructing device - Google Patents
A kind of left ventricle reconstructing device Download PDFInfo
- Publication number
- CN206303936U CN206303936U CN201621071967.XU CN201621071967U CN206303936U CN 206303936 U CN206303936 U CN 206303936U CN 201621071967 U CN201621071967 U CN 201621071967U CN 206303936 U CN206303936 U CN 206303936U
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- bottom bar
- frame shape
- left ventricle
- umbrella frame
- support frame
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- 210000005240 left ventricle Anatomy 0.000 title claims abstract description 39
- 239000012528 membrane Substances 0.000 claims abstract description 11
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 claims description 17
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 17
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 9
- 238000003698 laser cutting Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 3
- 208000033774 Ventricular Remodeling Diseases 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 4
- 206010019280 Heart failures Diseases 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 210000002808 connective tissue Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 206010058109 Hangnail Diseases 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- 230000002861 ventricular Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000010125 myocardial infarction Diseases 0.000 description 2
- 210000004165 myocardium Anatomy 0.000 description 2
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 206010002329 Aneurysm Diseases 0.000 description 1
- 229910000521 B alloy Inorganic materials 0.000 description 1
- 206010006187 Breast cancer Diseases 0.000 description 1
- 208000026310 Breast neoplasm Diseases 0.000 description 1
- 206010007558 Cardiac failure chronic Diseases 0.000 description 1
- 206010007559 Cardiac failure congestive Diseases 0.000 description 1
- 206010061216 Infarction Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000002308 calcification Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 210000004351 coronary vessel Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 208000016253 exhaustion Diseases 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000004217 heart function Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007574 infarction Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 208000031225 myocardial ischemia Diseases 0.000 description 1
- 239000000712 neurohormone Substances 0.000 description 1
- 102000008434 neuropeptide hormone activity proteins Human genes 0.000 description 1
- 108040002669 neuropeptide hormone activity proteins Proteins 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
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- Prostheses (AREA)
Abstract
The utility model is related to a kind of left ventricle reconstructing device, it includes support frame, base, the polymeric membrane on support frame and folding and unfolding rope, support frame includes multiple umbrella frame shape poles, the fixed anchor for fixing device, particularly, the base includes multiple arcs bottom bar of the opening towards support frame, the plurality of arc bottom bar is collectively forming the supporting plane contacted with the apex of the heart, and umbrella frame shape pole is wholely set with arc bottom bar.The utility model base is made up of many arc bottom bars and arc bottom bar is wholely set with the umbrella frame shape pole of support frame, stability and good reliability during the processing and use of product.
Description
Technical field
The utility model belongs to medical instruments field, and in particular to a kind of left ventricle reconstructing device.
Background technology
Heart failure, as one of morbidity and dead primary inducement, has become Chinese or global burden.Suffer from
The five year survival rate of person is similar with breast cancer.Although the large area popularization of present calcification score technology, still there is 20% ~ 50%
Myocardial infarction patient can switch to heart failure patient, and left ventricle geometry is used as one of the main prognosis of heart failure, special
It is not that myocardial ischemia can change heart geometry.Especially it is easiest to myocardial infarction occur in three coronary arteries with descending anterior branch, ties
, there is apex impaired movement even aneurysm in antetheca large area infarct caused by fruit, further aggravates remodeling ventricle and appearance
CHF symptom.Neurohormone treats the limitation with reversal of heart failure, the left ventricle volume reduction mental and physical efforts based on apparatus
Exhaustion therapy causes extensive clinical concern.Earliest left ventricle capacity-reduction device by Branislav Radovencevic and
Serjan Nikolic attempt being implanted in cow body in 1999.Left ventricle reconstructing device is unique minimal invasion implantation
Left ventricle capacity-reduction device.The operation that the device is implanted into so as to reach improvement chronic heart failure symptom is referred to as percutaneous Left Ventricular Remodeling
Art（Percutaneous ventricular restoration, PVR）.
Left ventricle shielding system is divided into approach system, 3 parts of induction system and left ventricle reconstructing device.Approach system
It is made up of 14 F or 16 F guiding catheters and expander, main purpose is to set up the path up to left ventricle apex.Delivery conduit
The left ventricle reconstructing device that offer is connected with torque axis reaches the passage of apex, and moment of torsion shaft end has a knob and left ventricle weight
Device and airbags are built, the near-end of conduit has release knob.
8 kinds of left ventricle reconstructing devices of specification are had at present, and the maximum gauge of device is respectively 50-120 after expanding completely
Mm, every kind of diameter is divided into pin long with the major axis of device again（standard）With short pin（short）Two kinds.Left ventricle reconstructing device
Be it is currently the only can be by the left ventricle capacity-reduction device of the minimally invasive implantation of conduit, multiple American-European large-scale multicenter clinical trials are equal
Confirmed security and validity.The left ventricle capacity-reduction device for needing surgical operation to be implanted into relative to other four kinds, left ventricle weight
Build device as can the device of minimally invasive implantation have its advantage, more selections can be provided for more endstage cardiac insufficiency patients.
Left ventricle reconstructing device monnolithic case generally comprises support frame, the macromolecule being overlying on outside support frame like parachute-like
Barrier film, the anchor for fixing device, the base that the apex of the heart can be protected not to be damaged is contacted with the apex of the heart positioned at support frame end.Support
Frame further includes multiple umbrella frame shape poles and multiple cambered surfaces, wherein connecting structure by cambered surface per two adjacent umbrella frame shape poles
Into the support frame for being inverted umbrella shape.Anchor is connected to the outer end of umbrella frame shape pole.Wherein：Support frame and the usual split of base are set,
It is connected through a screw thread, rivet or is welded together, stability and reliability of the whole device during processing and use
Cannot be guaranteed.
The content of the invention
It is to overcome the deficiencies in the prior art that the utility model to be solved technical problem, there is provided a kind of stability and reliability
Good left ventricle reconstructing device.
To solve above technical problem, the utility model is adopted the following technical scheme that：
A kind of left ventricle reconstructing device, it includes support frame, base, polymeric membrane and withdrawing rope on support frame
Rope, support frame includes multiple umbrella frame shape poles, the fixed anchor for fixing device, and particularly, the base includes opening direction
The multiple arcs bottom bar of support frame, the plurality of arc bottom bar is collectively forming the supporting plane contacted with the apex of the heart, umbrella frame shape pole with
Arc bottom bar is wholely set.
According to the utility model, the multiple arc bottom bar is uniformly distributed preferably along the circumference of left ventricle reconstructing device.
Or, arrangement that can also be interlaced between multiple arcs bottom bar.
According to a preferred aspect of the present utility model, whole umbrella frame shape poles are wholely set with whole arc bottom bars.More
Preferably, whole umbrella frame shape poles are made up of a Nitinol pipe with whole arc bottom bars through laser cutting.Further, institute
State a Nitinol pipe and be in turn divided into first segment, second section and Section three, the length of first segment to the other end from one end
Most long, it forms the multiple umbrella frame shape pole through laser cutting；Section three, length is placed in the middle, and it forms multiple through laser cutting
Arc bottom bar；The length of second section is most short, its connecting portion for forming the multiple umbrella frame shape pole and many arc bottom bars.
Preferably, the external diameter of the Nitinol pipe is 2 ~ 6mm, and wall thickness is 0.1 ~ 0.6mm.
According to another preferred aspect of the present utility model, multiple umbrella frame shape poles and multiple arcs bottom bar are closed by many NiTis
Spun gold and/pipe is made, every nitinol alloy wire and/pipe are in turn divided into first paragraph, second segment and the from one end to the other end
Three sections, the length of first paragraph is most long, and it forms a umbrella frame shape pole, and the 3rd section of length is placed in the middle, and it forms an arcuate bottom
Bar, the length of second segment is most short, its connecting portion for forming Connectable umbrella bone-shaped pole and arc bottom bar；Support frame and base are by many
Nitinol alloy wire and/pipe connect composition at connecting portion.Further, many nitinol alloy wires and/company of the pipe at connecting portion
The mode of connecing is preferably welding, riveting or cluster connection etc..
Usually, umbrella frame shape pole has 10 ~ 30, and circumference along umbrella shape is uniformly distributed, each umbrella frame shape pole
Width be 0.1 ~ 0.6mm.
Preferably, umbrella frame shape pole is in Y types or linear pattern.Wherein preferred Y types, take the form support frame stability and
Better reliability.
According to a specific preferred aspect, the umbrella frame shape pole is in Y types, and it has first end and away from the first end
Two the second ends, first end is connected anchor, the second end connection arc bottom bar.
Further, the polymeric membrane is covered（For example bonded by melt process）Inside and outside support frame, its
Main material is poly tetrafluoroethylene（ePTEF）, it is also possible to other macromolecular materials, thickness 0.01-0.20mm.Main Function is
Prevent blood from flowing into the apex of the heart, play a part of closure.Inner membrance is circle, and external mold can be circular or petal.
Further, the effect of fixed anchor is fixing device, after piercing cardiac muscle plays positioning action and prevents release
Device is shifted.
Further, folding and unfolding cord material can be general absorbable surgical thread, positioned at support frame hangnail lower section, wave
Shape is punctured on polymeric membrane circumference, the umbrella frame shape pole of support frame can be connected together, and plays contraction and release landing
The effect of umbrella.According to the utility model, whole left ventricle reconstructing device is in parachute-like, is discoid during nature, can be led to
Rope is crossed to realize shrinking and launch, primary diameters 50-120mm.
Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art：
In the utility model, base be made up of many arc bottom bars and arc bottom bar and support frame umbrella frame shape pole integrally
Set, stability and good reliability during the processing and use of product.
Brief description of the drawings
Fig. 1 is the schematic front view of left ventricle reconstructing device of the present utility model；
Fig. 2 is the schematic top plan view of the utility model left ventricle reconstructing device（Umbrella frame shape pole is in Y types）；
Fig. 3 is the schematic top plan view of the utility model left ventricle reconstructing device（The linear type of umbrella frame shape pole）；
Wherein：1st, support frame；10th, umbrella frame shape pole；101st, first end；102nd, the second end；11st, fixed anchor；12nd, base；
120th, arc bottom bar；13rd, connecting portion；130th, sleeve pipe；131st, locking bolt；2nd, polymeric membrane；20th, inner membrance；21st, adventitia；3rd, rope.
Specific embodiment
Come to be further elaborated the technical solution of the utility model with reference to the accompanying drawings and detailed description.
As shown in Fig. 1 to Fig. 3, left ventricle reconstructing device of the present utility model, it includes support frame 1 and base.The support
Frame 1 includes the umbrella frame shape pole 10 of multiple Y types, is arranged on each first end 101 of umbrella frame shape pole 10（Outer end）For being pierced into the heart
The fixed anchor 11 of flesh, umbrella frame shape pole 10 also has two the second ends 102 away from first end 101（It is inner）, the second end 102 with
Base 12 is connected.Base 12 includes multiple arcs bottom bar 120 of the opening towards support frame 1, the common shape of the plurality of arc bottom bar 120
Into the supporting plane contacted with the apex of the heart, umbrella frame shape pole 10 is wholely set with arc bottom bar 120.
Further, all of umbrella frame shape pole 10 and all of arc bottom bar 120 be all by an external diameter be 2 ~ 6mm,
Wall thickness is processed for the Nitinol pipe of 0.1 ~ 0.6mm, namely support frame 1 and the entirety of base 12 are wholely set.Specifically
Ground, first segment, second section and Section three, the length of first segment are in turn divided into by a Nitinol pipe from one end to the other end
Degree is most long, is carried out laser cutting and forms multiple umbrella frame shape poles 10；Section three, length is placed in the middle, by it through being cut by laser shape
Into multiple arcs bottom bar 120；The length of second section is most short, and it forms multiple umbrella frame shape poles 10 and Duo Gen arcs bottom bar 120
Connecting portion 13.
Or, can also so set：Described multiple umbrella frame shape poles 10 and multiple arcs bottom bar 120 are by many NiTis
B alloy wire and/pipe are made, and every nitinol alloy wire and/pipe are in turn divided into first paragraph, second segment to the other end from one end
With the 3rd section, the length of first paragraph is most long, and it forms a umbrella frame shape pole 10, and the 3rd section of length is placed in the middle, and it forms one
Arc bottom bar 120, the length of second segment is most short, its connecting portion 13 for forming Connectable umbrella bone-shaped pole and arc bottom bar；Support frame 1
It is made up of welding, riveting or cluster connection etc. at connecting portion 13 many nitinol alloy wires and/pipe with base.Bundle
Formula connection is tied up multiple connecting portions 13 are fixed together using sleeve pipe 130 and pin 131 for example.
Further, left ventricle reconstructing device also includes that being arranged on multiple umbrella frame shape poles 10 forms the interior of pileated regions
The polymeric membrane 2 of outer both sides, the folding and unfolding rope linked together near the end of fixed anchor 11 by each umbrella frame shape pole 10
3.Polymeric membrane 2 includes being bonded in inside and outside each umbrella frame shape pole 10 and being formed the inner membrance 20 for preventing blood from flowing into the apex of the heart
With adventitia 21.The main material of polymeric membrane 2 is poly tetrafluoroethylene（ePTEF）, it is also possible to other macromolecular materials, cover in
Inside and outside support frame 1, it is bonded together by melt process, thickness 0.01-0.20mm.Main Function is to prevent blood from flowing into
The apex of the heart, plays a part of closure.Rope 3 has to be tightened up and unclamps two states, when in tightening state, multiple umbrella frame shape sections
Bar 10 inwardly draws in and sets；When in releasing orientation, multiple umbrella frame shape poles 10 are flared out setting.Specifically, rope 3 is
Absorbable surgical thread, and positioned at the lower section of fixed anchor 11, undulate is punctured and formed on circumference in polymeric membrane（Repeat from
After adventitia penetrates internal model, then passed to adventitia from internal model）, so as to support frame 1 is connected together, play what is shunk and unfurl an umbrella
Effect.Further, after rope 3 unclamps, a diameter of 50-120mm that the top of polymeric membrane 2 can be formed（Namely umbrella support is opened
Maximum gauge）.
In this example, fixed anchor 11 is turned up by the first end of umbrella frame shape pole 10 and is formed, and hangnail is formed with its point, its
It is more than 90 ° with turned out tip portion angle.At the same time it can also increase multiple developing apparatus, each hangnail can be observed and pierced
Enter the position of cardiac muscle, be practical operation provides convenient.
In a specific aspect of the present utility model, umbrella frame shape pole 10 is in Y types, as shown in Fig. 2 umbrella frame shape pole 10 has
There are first end 101 and two the second ends 102 away from first end 101, first end 101 is connected anchor 11, and the second end 102 connects
Arc bottom bar 120.Or, umbrella frame shape pole 10 can also be linear pattern, as shown in Figure 3.It is preferred that using Y type umbrella frame shape poles
10, take the stability and better reliability of the form support frame.
In sum, the utility model device processing and use during stability and good reliability, support effect
It is good, accurate positioning, easy to operate, left ventricular volume can be reduced, left ventricular tension is reduced so as to improve remodeling ventricle and recover to suffer from
The heart function of person, additionally, apparatus structure is simple, it is easy to implement, and low cost.Therefore, the utility model device has important
Realistic meaning and good potential applicability in clinical practice.
The utility model is described in detail above, the personage that this art is familiar with its object is to allow can be much of that
Solve content of the present utility model and be carried out, protection domain of the present utility model, and the utility model can not be limited with this
The above embodiments are not limited to, all equivalent change or modifications made according to Spirit Essence of the present utility model should all cover
Within protection domain of the present utility model.
Claims (10)
1. a kind of left ventricle reconstructing device, it includes support frame, base, the polymeric membrane on support frame as described above and folding and unfolding
Rope, described support frame includes multiple umbrella frame shape poles, the fixed anchor for fixing device, it is characterised in that：The base
Including opening towards support frame multiple arcs bottom bar, the multiple arc bottom bar is collectively forming the support that is contacted with the apex of the heart and puts down
Face, the umbrella frame shape pole is wholely set with the arc bottom bar.
2. left ventricle reconstructing device according to claim 1, it is characterised in that：The multiple arc bottom bar is along the left side
The circumference of ventricular remodeling device is uniformly distributed.
3. left ventricle reconstructing device according to claim 1 and 2, it is characterised in that：Umbrella frame shape pole described in whole with
Arc bottom bar described in whole is wholely set.
4. left ventricle reconstructing device according to claim 3, it is characterised in that：Umbrella frame shape pole and whole described in whole
Described arc bottom bar is made up of a Nitinol pipe through laser cutting.
5. left ventricle reconstructing device according to claim 4, it is characterised in that：A piece Nitinol pipe from one end to
The other end is in turn divided into first segment, second section and Section three, and the length of first segment is most long, and it forms described through laser cutting
Multiple umbrella frame shape poles；Described Section three of length is placed in the middle, and it is through the multiple arcs bottom bar described in laser cutting formation；Described
The length of two sections is most short, and it forms the connecting portion for connecting the multiple umbrella frame shape pole and the multiple arc bottom bar.
6. left ventricle reconstructing device according to claim 4, it is characterised in that：The external diameter of the Nitinol pipe be 2 ~
6mm, wall thickness is 0.1 ~ 0.6mm.
7. left ventricle reconstructing device according to claim 1 and 2, it is characterised in that：Described multiple umbrella frame shape poles and
Multiple arcs bottom bar by many nitinol alloy wires and/pipe is made, the every nitinol alloy wire and/pipe are from one end to the other end
First paragraph, second segment and the 3rd section are in turn divided into, the length of first paragraph is most long, it forms the umbrella frame shape pole described in,
3rd section of length is placed in the middle, and it forms the arc bottom bar described in, and the length of second segment is most short, and it forms Connectable umbrella bone-shaped section
The connecting portion of bar and arc bottom bar；Support frame as described above and base are connected by many nitinol alloy wires and/pipe in connecting portion
Constitute.
8. left ventricle reconstructing device according to claim 7, it is characterised in that：The many nitinol alloy wires and/pipe exist
Connected mode at connecting portion is welding, riveting or cluster are connected.
9. left ventricle reconstructing device according to claim 1, it is characterised in that：The umbrella frame shape pole has 10 ~ 30, and
It is uniformly distributed along the circumference of umbrella shape, the umbrella frame shape pole is 0.1 ~ 0.6mm in Y types or linear pattern, width.
10. left ventricle reconstructing device according to claim 9, it is characterised in that：The umbrella frame shape pole is in Y types, its tool
There are first end and two the second ends away from the first end, the first end connects the fixed anchor, the second end connection
The base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621071967.XU CN206303936U (en) | 2016-09-22 | 2016-09-22 | A kind of left ventricle reconstructing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621071967.XU CN206303936U (en) | 2016-09-22 | 2016-09-22 | A kind of left ventricle reconstructing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206303936U true CN206303936U (en) | 2017-07-07 |
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ID=59242164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621071967.XU Active CN206303936U (en) | 2016-09-22 | 2016-09-22 | A kind of left ventricle reconstructing device |
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| Country | Link |
|---|---|
| CN (1) | CN206303936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109303581A (en) * | 2018-12-03 | 2019-02-05 | 上海市东方医院 | A kind of the fixation device and its system of Therapy of Left Ventricular Aneurysm |
-
2016
- 2016-09-22 CN CN201621071967.XU patent/CN206303936U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109303581A (en) * | 2018-12-03 | 2019-02-05 | 上海市东方医院 | A kind of the fixation device and its system of Therapy of Left Ventricular Aneurysm |
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| GR01 | Patent grant | ||
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Address after: Rooms 202, 501, and 502, Building 7, No. 188 Fuchunjiang Road, High tech Zone, Suzhou City, Jiangsu Province, 215000 Patentee after: SUZHOU VENMED TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 215163 south 2nd floor, building 11, No.8 Jinfeng Road, science and Technology City, Suzhou high tech Zone, Jiangsu Province Patentee before: SUZHOU VENMED TECHNOLOGY Co.,Ltd. Country or region before: China |
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