CN110123392A - Accurate location aortic valve passes through device - Google Patents
Accurate location aortic valve passes through device Download PDFInfo
- Publication number
- CN110123392A CN110123392A CN201910233850.9A CN201910233850A CN110123392A CN 110123392 A CN110123392 A CN 110123392A CN 201910233850 A CN201910233850 A CN 201910233850A CN 110123392 A CN110123392 A CN 110123392A
- Authority
- CN
- China
- Prior art keywords
- support frame
- head end
- aorta petal
- passes
- precise positioning
- 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.)
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2478—Passive devices for improving the function of the heart muscle, i.e. devices for reshaping the external surface of the heart, e.g. bags, strips or bands
Abstract
The invention provides a device for accurately positioning an aortic valve, which comprises a main catheter, a support frame and a control guide wire; the main conduit comprises a head end, a conduit body and a tail end in sequence; the periphery of the side wall of the head end is connected with a support frame; the control guide wire is arranged in the main pipe, fixed in the head end, penetrates through the pipe body and extends out of the tail end; the tail end is provided with a supporting switch and a direction control device, the supporting switch is connected with the supporting frame and used for controlling the opening and closing of the supporting frame, and the direction control device is connected with the control guide wire and used for controlling the direction of the head end. Aiming at the problem of aligning the aortic valve passing device, the head end of the main catheter is connected with the support frame, so that the problem of slipping of the main catheter can be avoided; the support frame also plays the fixed head end range of movement, prevents its effect of damage vascular intima, guarantees the operation success in less number of times, alleviates patient's misery, reduces the time of operation, reduces patient and operative employee's exposure time under the X line simultaneously, reduces the operation risk.
Description
Technical field
The present invention relates to medical instruments fields more particularly to a kind of precise positioning aorta petal to pass through device.
Background technique
Valvulopathy is a kind of common heart disease, is mainly shown as that bicuspid valve, aorta petal, tricuspid valve and lung are dynamic
Arteries and veins valve occurs structural or function due to various reasons and sexually revises, and causes cardiac hemodynamics abnormal, eventually leads to heart failure
It exhausts.The disease incidence of valvulopathy also with population aging and obviously increase.Surgical operation therapy is still severe valvular heart disease
Become the preferred treatment means of patient, but for advanced age, merge Multiple organs disorders, have open chest surgery history and the poor trouble of heart function
Person, the surgical operation death rate is higher, and some patientss even lose operative chance.In recent years, it through conduit prosthetic valve replacement or repairs
Multiple art is graduallyd mature and is widely applied, and has become Critically ill aged patients heart valve routine operation mode in American-European countries.
2002, success of the first in the world example through conduit aortic valve replacement (TAVR), started interventional therapy for valve disease it is new when
Generation.Up to the present 65 countries are shared and carry out TAVR technology, adding up patient is more than 300,000.
A very crucial step is that seal wire by narrow aorta petal enters left room in TAVR operation, only completes this
Step just can be carried out subsequent step, and existing mode is to select suitably across valve angle by preoperative imaging evaluation help,
Use left coronary artery angiography catheter as guiding catheter, with straight peen seal wire, operation is attempted to consume sometimes by narrow aorta petal repeatedly
Shi Keneng longer, and it is related with patient's experience and strategy, different guiding catheters are also needed to change when necessary and are attempted, and are undoubtedly increased
Add operating time, while also increasing operation risk.Main cause is to there is no across the valve guiding catheter of special aorta petal, mesh
It is preceding mainly to borrow existing coronary angiography conduit to substitute.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of precise positioning aorta proposed
Valve passes through device.
To achieve the above object, present invention employs following technical solutions:
A kind of precise positioning aorta petal passes through device, including main pipe, support frame and control seal wire；
The main pipe successively includes head end, pipe shaft and tail end；The side wall circumference of the head end is connected with support frame as described above, institute
Stating support frame is retractable structure, and when support frame as described above struts, support frame as described above is stuck on aorta petal vascular wall；The control
Seal wire processed is mounted on inside the main pipe, and the control seal wire is fixed on inside the head end, the pipe shaft is passed through, from described
Tail end stretches out；The tail end is equipped with supporting switch and direction-control apparatus, and the supporting switch is connect simultaneously with support frame as described above
And the folding to control support frame as described above, the direction-control apparatus are connected and with the control seal wire to control
State the direction of head end.
Preferably, support frame as described above is the umbrella-shaped structure of folding, and support frame as described above includes support rib, the support rib connection
In the joint of the head end and the pipe shaft；When the support rib is in closed state, support frame as described above is tightly attached to the head
The side wall circumference at end；When the support rib is in softened state, support frame as described above is resisted against the aorta petal blood vessel.
Preferably, support frame as described above is netted, and support frame as described above is looped around the head end circumference；Or the support
Frame be it is radial, the support rib is strip, and the quantity of the support rib is no less than 3.
Preferably, support frame as described above is smooth flexible material with the position that is bonded of aortic blood inside pipe wall.
Preferably, support frame as described above is embedded in the side wall of the head end, and support frame as described above is in the closure state, described
The overall diameter of support frame is identical with the overall diameter of the pipe shaft.
Preferably, support frame as described above is two air bags that the head end two sides are arranged in.
Preferably, the air bag is fusiform.
Preferably, the control seal wire includes steering node, and the steering node is located at the head end and the pipe shaft
Junction, the steering node be can 360 degree rotation flexible structure.
Preferably, the direction-control apparatus is nut knob or pull rod, by rotating or pulling the control to lead
Silk controls the rotation of the steering node, to realize the rotation of head end.
Compared with prior art, the invention has the benefit that
The present invention, by device alignment issues, connects support frame in conduit head end, extends to aorta in conduit for aorta petal
When before valve, support frame is stuck on aorta petal blood vessel, conduit can be blocked, and will not be impacted because of blood flow so that leading
Pipe slips；In addition, blocking conduit with support frame, head end is facilitated to change direction, can successfully be soundd out in less number to master
The valve mouth of arterial valve passes through device, mitigates the pain of patient, reduces the time of operation, while reducing patient and patient in X-ray
The time of lower exposure reduces operation risk.
Detailed description of the invention
Fig. 1 is the sectional view that a kind of precise positioning aorta petal that support frame is reticular structure passes through device；
Fig. 2 is the sectional view that a kind of precise positioning aorta petal that support frame is air bag passes through device.
Specific embodiment
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperate embodiment detailed
It is described as follows.
Incorporated by reference to referring to Figures 1 and 2, the present invention provides a kind of precise positioning aorta petals to pass through device, including leading
Pipe 1, support frame 2 and control seal wire 3.
Main pipe 1 successively includes head end 11, pipe shaft 12 and tail end 13；The side wall circumference of head end 11 is connected with support frame 2,
Support frame 2 is retractable structure, and when support frame 2 struts, support frame 2 is stuck on aorta petal vascular wall；Seal wire 3 is controlled to install
Inside main pipe 1, control seal wire 3 is fixed on inside head end 11, passes through pipe shaft 12, is stretched out from tail end 13；Tail end 13 is equipped with branch
It struts pass 131 and direction-control apparatus 132, supporting switch 131 connect with support frame 2 and to control opening for support frame 2
It closes, direction-control apparatus 132 is connected with control seal wire 3 and the direction to control head end 11.
When in use, support frame 2 is in closed state, and conduit gos deep into the internal of patient, is sent under x-ray guidance up to aorta petal
Before, support frame 2 is opened by supporting switch 131, support frame 2 is resisted against the aortic blood inside pipe wall of patient, can prevent heart
In blood gush cause main pipe 1 by impact retreat, play fixed effect.In addition, after main pipe 1 is supported the fixation of frame 2
Will not retreat, would not injured patients aortic tunica intima, cause secondary injury to patient.After support frame 2 fixes head end 11,
The control seal wire 3 in main pipe 1 can be controlled by the direction-control apparatus 132 of tail end 13, to control the side of head end 11
To change, the alignment in gap on aorta petal is carried out, guarantee successfully to be directed at gap in less exploration number and is guaranteed leading
Pipe 1 passes through.Support frame 2 can be withdrawn by supporting switch 131 after alignment, enable a device to pass through.
In one embodiment, support frame 2 is the umbrella-shaped structure of folding, and support frame 2 includes support rib, and support rib is connected to head
The joint at end 11 and pipe shaft 12；When support rib is in closed state, support frame 2 is tightly attached to the side wall circumference of head end 11；Work as branch
Support bone is in softened state, and support frame 2 is resisted against aorta petal blood vessel.The structure of support frame 2 and the structure of umbrella are similar,
It is connected between support rib and supporting switch 131 by connecting rod or seal wire, finally summarizes and be connected to supporting switch 131, support
Pass 131 can up and down or left and right is stirred, and drives connecting rod or seal wire, realizes the control opened and closed to support rib.Support rib is opened
After be resisted against blood vessel, the head end 11 of main pipe 1 is fixed on to the center of support frame 2, has both played fixed effect, prevents from leading
Conduit 1 slips outward, and can prevent the double swerve under blood flow impact of main pipe 1, seal wire can not be guided to pass through stenosed valve
Mouthful.Support frame 2 is close to 11 side wall of head end of main pipe 1 after packing up, be conducive to main pipe 1 and pass through aorta petal.Bracket bone
Material can be with main pipe 1 identical, surface is more soft medical silica-gel, prevents arterial intima.
Further, support frame 2 is netted, and support frame 2 is looped around 11 circumference of head end；Network can guarantee
While support effect, head end 11 is further prevented to change direction come when attempting to be aligned and passing through aorta petal, accidentally amplitude
Excessive arterial intima is brought to patient and does not accommodate injury.Netted support frame 2 does not interfere blood flow to be rushed to artery from heart,
Impact of the blood flow to 12 part of pipe shaft of main pipe 1 can also be reduced.Or support frame 2 be it is radial, support rib is strip,
And the quantity of support rib is no less than 3.The head end 11 of main pipe 1 just can be fixed on center by least 3 support ribs, and
And guarantee the stability of support frame 2.
Preferably, support frame 2 is smooth flexible material with the position that is bonded of aortic blood inside pipe wall, is strutting branch in this way
When support 2, support frame 2 is resisted against blood vessel, and patients' feeling will not be allowed to biggish pain.Meanwhile support frame 2 is tight when packing up
Be attached on the side wall of head end 11, surface have a little it is unsmooth, flexible material can be to avoid main pipe 1 to when entering in patient body
Generation scratches, and reduces friction.
Preferably, support frame 2 is embedded in the side wall of head end 11, support frame 2 in the closure state, support frame 2 it is outer
Diameter is identical with the overall diameter of pipe shaft 12, i.e., collapsed state when support frame 2 be tightly attached to the side wall of head end 11, thickness and pipe shaft 12
Thickness is identical, patient will not be made to generate discomfort because 1 thickness of main pipe is different when in use in this way.
In another embodiment, support frame 2 is two air bags that 11 two sides of head end are arranged in；Preferably, air bag is spindle
Shape.When support frame 2 is air bag, the extremely inflating port of supporting switch 131, by filling among the air bag of supporting switch 131 and support
The connection of tracheae diameter.Stickiness of the air bag in closed state is more preferable than the support frame 2 of umbrella, and main pipe 1 is being inserted into patient's body
Stimulation during intracorporal to patient is less.In addition, being stuck on vascular wall after air bag inflation, stationarity is stronger, and opposite
For more smooth and soft airbag wall it is smaller compared with irritation for umbrella shaped support bone.Fusiform amount air bag can be used only
The maximum circle of mid-diameter resists vascular wall and fixes, and not only both ends diameter becomes smaller, and reserves gap and the blood in heart is obtained
To flow to aorta vessel, the head end 11 for returning main pipe 1, which reserves enough activity spaces, can turn to exploration, be aligned.
In one embodiment, control seal wire 3 includes steering node 31, and steering node 31 is located at the friendship of head end 11 and pipe shaft 12
Meet place, steering node 31 be can 360 degree rotation flexible structure, control seal wire 3 is broadly divided into two sections, and one section is located at main pipe 1
Head end 11 inside, separately have inside one section of pipe shaft 12 and tail end 13 for being located at main pipe 1, centre is connected by steering node 31
It connects, the rotation of steering node 31 can drive entire head end 11 to rotate, the point of application of clear entire control seal wire 3, so that control
It is more accurate simple.Preferably, direction-control apparatus 132 is nut knob or pull rod, by rotating or control being pulled to lead
Silk 3 controls the rotation of steering node 31, to realize the rotation of head end 11.It is between direction-control apparatus 132 and control seal wire 3
Simple mechanical linkage structure, is controlled in front of steering node 31 by the different moving operation of direction-control apparatus 132 and is located at
The deviation angle of control seal wire 3 inside head end 11, since steering node 31 is more soft, then entirely control seal wire 3 is turning
It is bent to node 31, realizes the angle offset of 1 head end 11 of main pipe, different angles can be adjusted during operation and carried out
It attempts.
From the above mentioned, the present invention connects support frame in main pipe head end for aorta petal by device alignment issues,
When main pipe extends to before aorta petal, support frame is stuck on aorta petal blood vessel, main pipe can be blocked, will not be because of
Blood flow is impacted so that main pipe slips；In addition, blocking main pipe with support frame, the head end of main pipe is to can change direction
Structure, can successfully sound out to the valve mouth of aorta petal in less number passes through device, mitigates the pain of patient, subtracts
The time performed the operation less, while reducing the time of patient and the patient exposure under X-ray.Since the state of an illness of patient is generally more serious,
Tolerance is poor, and operating time shortens, it is possible to reduce anesthesia duration reduces operation risk.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from spirit of the invention and
It is changed and retouched made by range, belongs to scope of patent protection of the invention.
Claims (9)
1. a kind of precise positioning aorta petal passes through device, it is characterised in that: including main pipe, support frame and control seal wire；
The main pipe successively includes head end, pipe shaft and tail end；The side wall circumference of the head end is connected with support frame as described above, institute
Stating support frame is retractable structure, and when support frame as described above struts, support frame as described above is stuck on aorta petal vascular wall；The control
Seal wire processed is mounted on inside the main pipe, and the control seal wire is fixed on inside the head end, the pipe shaft is passed through, from described
Tail end stretches out；The tail end is equipped with supporting switch and direction-control apparatus, and the supporting switch is connect simultaneously with support frame as described above
And the folding to control support frame as described above, the direction-control apparatus are connected and with the control seal wire to control
State the direction of head end.
2. precise positioning aorta petal as described in claim 1 passes through device, it is characterised in that: support frame as described above is folding
Umbrella-shaped structure, support frame as described above include support rib, and the support rib is connected to the joint of the head end and the pipe shaft；Work as institute
It states support rib and is in closed state, support frame as described above is tightly attached to the side wall circumference of the head end；It is strutted when the support rib is in
State, support frame as described above are resisted against the aorta petal blood vessel.
3. precise positioning aorta petal as claimed in claim 2 passes through device, it is characterised in that: support frame as described above be it is netted,
And support frame as described above is looped around the head end circumference；Or support frame as described above be it is radial, the support rib be strip, and
And the quantity of the support rib is no less than 3.
4. precise positioning aorta petal as claimed in claim 2 passes through device, it is characterised in that: support frame as described above and aorta
The fitting position of blood vessel is smooth flexible material.
5. precise positioning aorta petal as described in claim 1 passes through device, it is characterised in that: support frame as described above is embedded in institute
State in the side wall of head end, support frame as described above in the closure state, the overall diameter of the overall diameter of support frame as described above and the pipe shaft
It is identical.
6. precise positioning aorta petal as described in claim 1 passes through device, it is characterised in that: support frame as described above is that setting exists
Two air bags of the head end two sides.
7. precise positioning aorta petal as claimed in claim 6 passes through device, it is characterised in that: the air bag is fusiform.
8. precise positioning aorta petal as described in claim 1 passes through device, it is characterised in that: the control seal wire includes turning
To node, the steering node is located at the junction of the head end and the pipe shaft, and the steering node is can 360 degree rotation
Flexible structure.
9. precise positioning aorta petal as claimed in claim 8 passes through device, it is characterised in that: the direction-control apparatus is
Nut knob or pull rod, by rotating or pulling the control seal wire to control the rotation of the steering node, to realize
The rotation of head end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910233850.9A CN110123392B (en) | 2019-03-26 | 2019-03-26 | Accurate location aortic valve passes through device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910233850.9A CN110123392B (en) | 2019-03-26 | 2019-03-26 | Accurate location aortic valve passes through device |
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| CN110123392A true CN110123392A (en) | 2019-08-16 |
| CN110123392B CN110123392B (en) | 2022-09-02 |
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| CN201910233850.9A Active CN110123392B (en) | 2019-03-26 | 2019-03-26 | Accurate location aortic valve passes through device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110811708A (en) * | 2019-11-20 | 2020-02-21 | 石家庄帝中医疗器械科技有限公司 | Guide bracket and injection system |
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| Publication number | Publication date |
|---|---|
| CN110123392B (en) | 2022-09-02 |
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