CN109893193A - The trunk bracket of blood can be hindered - Google Patents
The trunk bracket of blood can be hindered Download PDFInfo
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- CN109893193A CN109893193A CN201910055722.XA CN201910055722A CN109893193A CN 109893193 A CN109893193 A CN 109893193A CN 201910055722 A CN201910055722 A CN 201910055722A CN 109893193 A CN109893193 A CN 109893193A
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- blood
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- main body
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- strut
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Abstract
The invention discloses the trunk brackets that one kind can hinder blood, including rack body, main body liner and overlay film pipe, the rack body to be sheathed on lining in the main body, and the overlay film pipe is covered on rack body；The rack body is configured to be compressed in lining in main body by overlay film pipe, and rack body positioning is released to target lesion position by the compressing force by releasing the overlay film pipe；Resistance blood device in the rack body equipped with synchronous compression and release blocks the blood flow in rack body after the resistance blood device release.The present invention is conducive to shorten the Deep Hypothermia Circulatory Arrest time, greatly reduces postoperative complications, improves surgical effect.
Description
Technical field
The present invention relates to a kind of medical instruments, more particularly to a kind of trunk bracket that can hinder blood.
Background technique
Total aortic arch replacement adds bracket trunk operation (grandson's krimer operation) to be widely used in aneurysm of thoracic aorta and acute and chronic
In the treatments of diseases such as A type dissection of aorta, nearly medium-long term operative effect has obtained recognizing for domestic and international more and more experts
It can.Implementation of this operation must use deep hypothermic circulatory arrest, i.e., need total body hypothermia in art, 18 are down to nasopharyngeal temperature~
At 20 DEG C, through axillary artery or the unilateral selective cerebral perfusion of innominate artery intubation row, the lower part of the body stops recycling at this time, i.e. descending aorta institute
Organ of perfusion, including spinal cord, liver, kidney, alimentary canal etc. are without hemoperfusion, the very intracavitary implantation stented vessel of descending aorta
Afterwards, descending aorta proximal end and bow portion distal anastomosis are completed using " open anastomosis ", then restores lower part of the body perfusion, stops recycling
Terminate, the time, general control was in 20~30min or so.However, Deep Hypothermia Circulatory Arrest can cause interior environment disturbance, coagulation function
Damage and acute hepatic and kidney function obstacle, functional disturbances of gastrointestinal tract, spinal cord injury etc. are a series of to be difficult to the problem of evading, and leads to patient
Postoperative recovery is bad, severe complication is even dead.Therefore, how to shorten the Deep Hypothermia Circulatory Arrest time to answer with important clinical
With value.
Summary of the invention
In view of this, being conducive to shortening profound hypothermia the purpose of the present invention is to provide the trunk bracket that one kind can hinder blood and stopping
Circulation time greatly reduces postoperative complications, improves surgical effect.
The trunk bracket for hindering blood of the invention, including rack body, main body liner and overlay film pipe, the rack body set
The lining in the main body, the overlay film pipe are covered on rack body；The rack body is configured to through overlay film pipe
It is compressed in lining in main body, and rack body positioning is released to target lesion position by the compressing force by releasing the overlay film pipe
It sets；Resistance blood device in the rack body equipped with synchronous compression and release blocks bracket after the resistance blood device release
Blood flow in main body.
Preferably, the resistance blood device includes resistance blood film, and the peripheral edge edge of the resistance blood film is fixedly connected on rack body,
And the resistance blood film is equipped with the through-hole for passing through for main body liner.
Preferably, the resistance blood device further includes the film frame for being used to support resistance blood film, and it is in put that the film frame, which includes several,
The strut of shape distribution is penetrated, one end of the strut is connected to rack body, the other end is connected to main body liner.
Preferably, the strut is seamed in lining in main body by suture.
Preferably, the distal end of the main body liner is equipped with the fixing head of a pyramidal structure.
Preferably, the main body liner includes outer cylinder and inner core, and the outer cylinder is coaxially set in outside inner core, and the inner core
It can be along the axial movement of outer cylinder；The outer cylinder passes through through-hole and is connected with strut；The distal end of the inner core is equipped with resistance thromboembolism, institute
The distal end for stating inner core is moved to the inner cavity of the top surface closure through-hole of the resistance thromboembolism and outer cylinder when resistance blood setting position.
Preferably, the strut is connected to rack body by connecting rod close to one end of rack body, the strut and
Connecting rod elasticity is connected, and drives resistance blood film to fold towards connecting rod direction after strut disengaging main body liner.
Preferably, the strut and connecting rod are integrally formed using shape-memory material.
By above disclosure, the present invention has following advantageous effects:
The trunk bracket for hindering blood of the invention drops in total aortic arch replacement and bracket elephant trunk technique to nasopharyngeal temperature
To temperature is suitble to, lower part of the body circulation, row selective cerebral perfusion are blocked, the cross-section arch of aorta is quickly trimmed and prepares bow portion distal end
After previous anastomotic, the rack body of compressive state is put through arch of aorta notch to the true chamber of descending aorta by the guidance of main body liner
Interior, the compressing force for then releasing overlay film pipe, which positions rack body, to be discharged, and is hindered blood device at this time and is also released and blocks bracket
Blood flow in main body is formed and is blocked, and is convenient for proximal end surgical procedure；Hereafter, open femoral artery infusion pipe, improves extracorporal circulatory system stream
Amount, restores internal organ and lower limb are perfused, and stopping circulation terminates.Complete Four branches aortic graft distal end with support type artificial blood vessel proximal end and
After arch of aorta end-to-end anastomosis, subsequent operation can be carried out by so that resistance blood device is failed using tool.
The application creatively will resistance blood device be applied to total aortic arch replacement and bracket elephant trunk technique in, by its be placed in
The blood flow for blocking aorta is used in combination in trunk bracket in descending aorta, to avoid profound hypothermia, significantly shortens descending aorta
And far to stop circulation time, greatly reduce postoperative complications, improves surgical effect.Operation safety can be greatly improved in the present invention,
Improve the whole curative effect of operation.Moreover, barrier effect of the invention is more excellent compared with using the blocking way of sacculus body.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the trunk bracket of embodiment one；
Fig. 2 is A-A cross-sectional view in Fig. 1；
Fig. 3 is the structural schematic diagram of the trunk bracket of embodiment two；
Fig. 4 is the structural schematic diagram of the trunk bracket of embodiment three.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, in the following with reference to the drawings and specific embodiments
The present invention is described in further detail.It should be noted that attached drawing is all made of very simplified form and using non-accurate
Ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
Embodiment one
It is as depicted in figs. 1 and 2: the trunk bracket for hindering blood of the present embodiment, including rack body 1, main body liner 2 and cover
Membrane tube 3, the rack body 1 are sheathed on the main body liner 2, and the overlay film pipe 3 is covered on rack body 1；The branch
Frame body 1 is configured to be compressed on main body liner 2 by overlay film pipe 3, and the compressing force by releasing the overlay film pipe 3 will prop up
The positioning of frame body 1 is released to target lesion position.The trunk bracket of above structure is well known to those skilled in the art, existing
Support system is this structure in minimally invasive Xin Mai medical science and technology (Shanghai) Co., Ltd. CRONUS type art produced, additionally
It can be found in Chinese patent CN 106618822B and CN 104622600B；Thus for rack body 1, main body liner 2 and overlay film
Specific structure and principle, the material of pipe 3 repeat no more.
The trunk bracket for hindering blood of the present embodiment, core improvement are, are equipped with synchronous pressure in the rack body 1
The resistance blood device of contracting and release blocks the blood flow in rack body 1 after the resistance blood device release.
In total aortic arch replacement and bracket elephant trunk technique, it is down to suitable temperature to nasopharyngeal temperature, blocks lower part of the body circulation,
Row selective cerebral perfusion, the cross-section arch of aorta, after quickly trimming and preparing bow portion distal anastomosis mouth, by the bracket master of compressive state
Body 1 puts, the then compression of releasing overlay film pipe 3 very intracavitary to descending aorta by the guidance of main body liner 2 through arch of aorta notch
Power, which positions rack body 1, to be discharged, and is hindered blood device at this time and is also released and blocks the blood flow in rack body 1, is formed and blocked,
Convenient for proximal end surgical procedure；Hereafter, open femoral artery infusion pipe, improves extracorporal circulatory system flow, restores internal organ and lower limb are perfused, stop
Circulation terminates.Four branches aortic graft distal end is completed with behind support type artificial blood vessel proximal end and arch of aorta end-to-end anastomosis, is used
Tool, which makes resistance blood device fail, can carry out subsequent operation.
This trunk bracket creatively will resistance blood device be applied to total aortic arch replacement and bracket elephant trunk technique in, by its with
The blood flow for blocking aorta is used in combination in the trunk bracket being placed in descending aorta, so that profound hypothermia is avoided, it is significant to shorten drop master
Artery and far to stop circulation time greatly reduces postoperative complications, improves surgical effect.Operation can be greatly improved in this trunk bracket
Safety improves the whole curative effect of operation.Moreover, the blocking of this trunk bracket is imitated compared with using the blocking way of sacculus body
Fruit is more excellent.
In the present embodiment, the resistance blood device includes resistance blood film 4, and the peripheral edge edge of the resistance blood film 4 is fixedly connected on branch
Frame body 1, and the resistance blood film 4 is equipped with the through-hole for passing through for main body liner 2.Resistance blood film 4 is flexible membrane, can bear one
The blood flow of constant-pressure simultaneously prevents blood circulation.Resistance blood film 4 can shrink or be unfolded together with rack body 1, completely hinder blood
Structure, which then needs to cooperate with main body liner 2, to be realized；I.e. in the resistance blood stage, main body liner 2 passes through and blocks through-hole；To work as main body
After liner 2 removes, the resistance blood effect of resistance blood device is also eliminated together.
In the present embodiment, the resistance blood device further includes the film frame 5 for being used to support resistance blood film 4, and the film frame 5 includes several
One end connection (rotation connection) of the strut 51 that root radially distributes, the strut 51 is connected in rack body 1, the other end
Main body liner 2.Film frame 5 is conducive to improve the structural strength of resistance blood film 4, to improve resistance blood effect.Film frame 5 is preferably fixed to resistance blood
4 lower section of film perhaps could be secured to 4 top of resistance blood film or also could be sandwiched between two layers of resistance blood film 4.Film frame 5 and resistance blood film 4
Together form the structure of similar " umbrella "；The strut 51 for forming film frame 5 is uniformly distributed, and the both ends of strut 51 can hingedly be fixed
In rack body 1 and main body liner 2, so that film frame 5 can be with the contraction distortion together of rack body 1；Preferably, the strut 51 is logical
Suture is crossed to be seamed on main body liner 2, it only need to be by removal of suture when needing to remove main body liner 2.
In the present embodiment, the distal end of the main body liner 2 is equipped with the fixing head 21 of a pyramidal structure, and fixing head 21 is not only
Vascular tissue can be avoided damage to, and since the surface of taper is streamlined, thus be more convenient for conveying.
Embodiment two
As shown in figure 3, in the present embodiment, what is different from the first embodiment is that the structure of main body liner 2 can be further excellent
Change, at this point, the main body liner 2 includes outer cylinder 2a and inner core 2b, the outer cylinder 2a is coaxially set in outside inner core 2b, and it is described in
Core 2b can be along the axial movement of outer cylinder 2a；The outer cylinder 2a passes through through-hole and is connected with strut 51；The distal end of the inner core 2b
Equipped with resistance thromboembolism 22, the distal end of the inner core 2b be moved to resistance blood setting position when it is described resistance thromboembolism 22 top surface block through-hole and
The inner cavity of outer cylinder 2a.By pull inner core 2b, inner core 2b moving along outer cylinder 2a can control；Hindering thromboembolism 22 can use and fixation
First 21 approximate structure can also play approximate function at this time, but hinder being particular in that for thromboembolism 22, and resistance thromboembolism 22 is close to resistance
One end face of blood device by can play sealing function sealing surface structure (such as resistance thromboembolism 22 is whole is made of silica gel material,
An end face close to resistance blood device is planar structure), when the distal end of inner core 2b is moved to resistance blood setting position, this sealing surface
By the gap between film frame 5 and outer cylinder 2a and the clearance seal between outer cylinder 2a and inner core 2b, to be further ensured that resistance blood function
The realization of energy makes up the natural defect of resistance blood film 4 and film frame 5.
Embodiment three
As shown in figure 4, in the present embodiment, on the basis of the trunk supporting structure of embodiment one or embodiment two, trunk branch
Frame can further be optimized, i.e., the described strut 51 is connected to bracket by connecting rod 52 close to one end of rack body 1
Main body 1, the strut 51 and 52 elasticity of connecting rod are connected, and drive resistance blood film 4 towards even after the disengaging main body liner 2 of the strut 51
52 direction of extension bar folds.Connecting rod 52 can be integrally fastened to rack body 1, but cannot influence the contraction distortion of rack body 1；Branch
Bar 51, connecting rod 52 are preferably placed at 4 lower section of resistance blood film to support positioning resistance blood film 4；After rack body 1, which discharges, to be unfolded, blood is hindered
Film 4 is released and strut 51 is driven to be unfolded, to realize resistance blood；The strut 51 and connecting rod 52 preferably use shape memory material
Expect that (such as marmem) is integrally formed, after strut 51 is detached from (such as removing suture) from main body liner 2, by shape
The self-healing of memory material, the strut 51 of radial distribution is folded towards 1 direction of rack body (such as can be from vertical " L "
Shape structural deformation is " II " the shape structure of side-by-side parallel), and resistance blood film 4 is driven to be folded, finally to hinder blood film 4 as cylinder
Shape film is attached to 1 inner wall of rack body, thus hinders blood event resolves, and prevent film frame 5 to the adverse effect of normal blood flow.
Finally, it is stated that applying herein, a specific example illustrates the principle and implementation of the invention, with
The explanation of upper embodiment is merely used to help understand the core idea of the present invention, without departing from the principles of the present invention, also
Can several improvements and modifications are made to the present invention, these improvement and modification are also fallen within the scope of the present invention.
Claims (8)
1. one kind can hinder the trunk bracket of blood, including rack body, main body liner and overlay film pipe, the rack body are sheathed on institute
Lining in main body is stated, the overlay film pipe is covered on rack body；The rack body is configured to be compressed in by overlay film pipe
Lining in main body, and rack body positioning is released to target lesion position by the compressing force by releasing the overlay film pipe；It is special
Sign is: the resistance blood device in the rack body equipped with synchronous compression and release blocks after the resistance blood device release
Blood flow in rack body.
2. the trunk bracket according to claim 1 for hindering blood, it is characterised in that: the resistance blood device includes resistance blood film,
The peripheral edge of the resistance blood film is along being fixedly connected on rack body, and the resistance blood film is equipped with for passing through for main body liner
Through-hole.
3. the trunk bracket according to claim 2 for hindering blood, it is characterised in that: the resistance blood device further includes for branch
The film frame of support resistance blood film, the film frame includes several struts to radially distribute, and one end of the strut is connected to bracket
Main body, the other end are connected to main body liner.
4. the trunk bracket according to claim 3 for hindering blood, it is characterised in that: the strut is seamed in master by suture
Internal lining.
5. the trunk bracket according to any one of claims 1 to 4 for hindering blood, it is characterised in that: the main body liner
Distal end is equipped with the fixing head of a pyramidal structure.
6. the trunk bracket according to claim 3 for hindering blood, it is characterised in that: the main body liner includes outer cylinder and interior
Core, the outer cylinder are coaxially set in outside inner core, and the inner core can be along the axial movement of outer cylinder；The outer cylinder pass through through-hole and with
Strut is connected；The distal end of the inner core is equipped with resistance thromboembolism, and the distal end of the inner core is moved to resistance when resistance blood setting position
The top surface of thromboembolism blocks the inner cavity of through-hole and outer cylinder.
7. hindering the trunk bracket of blood according to claim 3,4 or 6, it is characterised in that: the strut is close to bracket master
One end of body is connected to rack body by connecting rod, and the strut and connecting rod elasticity are connected, and the strut is detached from main body
Resistance blood film is driven to fold towards connecting rod direction after liner.
8. the trunk bracket according to claim 7 for hindering blood, it is characterised in that: the strut and connecting rod use shape
Memory material is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910055722.XA CN109893193B (en) | 2019-01-22 | 2019-01-22 | Trunk support capable of blocking blood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910055722.XA CN109893193B (en) | 2019-01-22 | 2019-01-22 | Trunk support capable of blocking blood |
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| Publication Number | Publication Date |
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| CN109893193A true CN109893193A (en) | 2019-06-18 |
| CN109893193B CN109893193B (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910055722.XA Active CN109893193B (en) | 2019-01-22 | 2019-01-22 | Trunk support capable of blocking blood |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112770683A (en) * | 2019-07-25 | 2021-05-07 | 清流科技有限公司 | Embolic devices for promoting blood clot formation and methods of retrieving the devices from a body lumen |
| CN113616376A (en) * | 2021-07-29 | 2021-11-09 | 汕头大学医学院第一附属医院 | Coronary fistula covered stent and conveying system |
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| CN113616376A (en) * | 2021-07-29 | 2021-11-09 | 汕头大学医学院第一附属医院 | Coronary fistula covered stent and conveying system |
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| Publication number | Publication date |
|---|---|
| CN109893193B (en) | 2024-01-02 |
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