CN207970109U - Direct motion descending aorta balloon occlusion device - Google Patents
Direct motion descending aorta balloon occlusion device Download PDFInfo
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- CN207970109U CN207970109U CN201721294152.2U CN201721294152U CN207970109U CN 207970109 U CN207970109 U CN 207970109U CN 201721294152 U CN201721294152 U CN 201721294152U CN 207970109 U CN207970109 U CN 207970109U
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- inner core
- sacculus
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- descending aorta
- occlusion device
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- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model is related to a kind of direct motion descending aorta balloon occlusion devices, including sacculus, foley's tube, inner core and steering structure, the inner core is arranged in the foley's tube, the proximal end of the sacculus and the distal portions of the foley's tube are tightly connected, the distal end of the sacculus and the distal portions of the inner core are tightly connected, the cavity limited between the inner wall of the foley's tube and the outer wall of the inner core is connected to the cavity fluid of the sacculus, steering structure is provided on the inner core, the inner core is connect by handle with the proximal end of the foley's tube.Pass through the position and direction of steering structure dynamic regulation sacculus in use, to reach best blocking aorta blood back purpose, the apparatus structure is simple, easy to operate, aorta blood back can be blocked well, provided safeguard for aneurysm of thoracic aorta and Human Thoracic Aortic Dissection operation.
Description
Technical field
The utility model is related to technical field of medical equipment, and in particular to direct motion descending aorta balloon occlusion device.
Background technology
Aneurysm of thoracic aorta be due to the necrosis of arterial media capsule or retrogression pathological changes, artery sclerosis, bacterium or fungal infection,
There is the illness changed as " tumor " in one or more outside bulgings of aorta caused by the reasons such as wound.In the U.S., often
Year has more than 100,000 people and suffers from aneurysmal disease, once aneurysm rupture, survival rate only has 15%.The illness rate of aneurysm of thoracic aorta accounts for
The 20.3%-37% of aortic aneurysm, and descending aorta is its most easy hair position.For a long time, operative repair is the only effective
Therapy, the Treatment outcome of selective aneurysm of thoracic aorta resection is in 90%-95%, in the chest active of non-row surgical intervention
Arteries and veins tumor patient 1,3,5 years survival rates are 65%, 36% and 20% respectively, but such surgical condition is more demanding, are needed constantly
Advantageous condition is created for operation, to ensure that operation smoothly completes.
Aneurysm of thoracic aorta and Human Thoracic Aortic Dissection operation often need to be especially expert at actively in Deep Hypothermia Circulatory Arrest condition menisectomy
When arcus haemalis portion operates, for convenience of surgical procedure, it is necessary to stop cycle to ensure visual area without blood.With the continuous development of technology, compared with
Under conditions of low temperature, the safety time for stopping cycle has reached a nearly hour, but due to prolonged profound hypothermia and stops following
Ring can cause the damage of body internal organs and cause body organ function obstacle, be still that there are the main of high risk for this kind of operation
Reason.By optimizing surgical operation step, shortens stop circulation time to reduce operation risk as far as possible, be that numerous surgeons are long
The emphasis paid close attention to since phase.In Chinese patent 201420557945.9, a kind of aorta closure foley's tube is disclosed, it is described
Conduit includes catheter body and the sacculus that is set on catheter body, and the catheter body is two-chamber tube body, and two-chamber tube body is guidewire lumen
With water filling tube chamber：Catheter body tail end is equipped with guidewire port and water injection hole, and guiding steel wire enters guidewire lumen by guidewire port, and guiding is led
Pipe enters blood vessel.The device carries out closure aorta using the sacculus of a specification, is inserted into foley's tube by guiding steel wire
Blood vessel utilizes the design of balloon occlusion blood back.The device need to wait for that foley's tube places, sacculus by the guide adjustment of steel wire
It adjusts and extracts steel wire after suitable position and close guidewire port.In this design it is difficult to which sacculus is adjusted to suitable position,
Guiding steel wire is extracted after placing sacculus and sealing guidewire port, whole process are difficult to achieve the effect that most preferably to block blood back.At present
Clinically have not been used in adjustable special double balloon occlusions in the surgical procedures such as aneurysm of thoracic aorta and Human Thoracic Aortic Dissection
Device device.
Invention content
The purpose of this utility model is to provide a kind of direct motion descending aorta balloon occlusion device device, efficiently solves blocking master
The technical issues of artery blood back, the utility model can dynamically adjust the position and direction of sacculus in surgical procedure, sacculus made to stop
Desired position and direction in operation are stayed in, aorta blood back is effectively blocked using double sacculus, it is operable in the course of surgery
Property it is strong, significantly simplify operation complexity, to operation provide facility.
The purpose of this utility model is achieved by the following technical programs：
A kind of direct motion descending aorta balloon occlusion device, including sacculus, foley's tube and inner core, the inner core are axially disposed
In the foley's tube, the proximal end of the sacculus is connect with the distal seal of the foley's tube, the distal end of the sacculus with
The distal seal of the inner core connects, the cavity limited between the inner wall of the foley's tube and the outer wall of the inner core with it is described
The cavity fluid of sacculus is connected to, and steering structure is provided on the inner core, and the inner core passes through handle and the foley's tube
Proximal end connects.
The purpose of this utility model can also be further realized by technical solution below：
In one embodiment, the sacculus includes distal balloon catheter and proximal balloon, the distal end of the distal balloon catheter with
The distal seal of the inner core connects.
In one preferred embodiment, the sacculus is dumbbell shape.
In one preferred embodiment, the proximal balloon and distal balloon catheter are elliposoidal or the proximal end ball
Capsule and distal balloon catheter are made of the cone section and intermediate straight section at both ends.
In one preferred embodiment, when completely full, the maximum gauge of the distal balloon catheter and the proximal end
The maximum gauge of sacculus differs.
In a preferred embodiment, the maximum gauge of the distal balloon catheter is less than the maximum of the proximal balloon
Diameter.
In one embodiment, the inner core is made of metal material or high molecular material.
In one embodiment, the inner core is solid core bar.
In one preferred embodiment, the steering structure is universal joint or Universal flexible shaft structure.Described ten thousand
To connector by the inner core convex ball and groove form, the cavity of the convex ball and the groove matches, described convex
Ball can rotate in the groove.The Universal flexible shaft structure is made of inner shaft, inner shaft protecting pipe, sheath end socket, described interior
Axis is formed by connecting by multiple hemispherical slip-knots with front tab and rear tab, by the side for adjusting front tab and rear tab
The adjusting to direct motion descending aorta balloon occlusion device is realized in bending to control flexible axle.
In one preferred embodiment, high molecular material is wrapped up or is coated on the outer surface of the inner core.
In one embodiment, the direct motion descending aorta balloon occlusion device further includes fixing device, the fixed dress
It sets and is fixedly connected with the proximal end of the inner core.
In one preferred embodiment, it is provided with regulating device in the fixing device.
Compared with prior art, the utility model has the advantage of：
1. being different from other balloon occlusion device devices, the inner core of the direct motion descending aorta balloon occlusion device of the utility model is straight
It connects and is fixedly connected with foley's tube and sacculus, the operation for reducing the placement of seal wire, withdrawing and block guidewire port reduces surgical procedure
The case where step simplifies operation complexity, can substantially reduce intraoperative hemorrhage；
2. being different from other balloon occlusion device devices, the utility model is provided with steering structure on inner core, for operation
Dynamic adjustment sacculus when operation, it is ensured that block sacculus that can be adjusted to suitable position and direction in aorta, reach splendid
Barrier effect；
3. being different from other balloon occlusion device devices, the direct motion descending aorta balloon occlusion device of the utility model uses two
The sacculus of different size realizes that the target for blocking blood back, two different-diameter sacculus successively enter blood vessel, the energy under collective effect
Effectively block aorta blood back；
4. the direct motion descending aorta balloon occlusion device of the utility model is also provided with fixing device, can after adjusting good position
It secures the device in breastbone ejector, the movement of balloon position in operative process is avoided to cause unnecessary shadow
It rings.
Description of the drawings
Fig. 1 shows overall structure signal of the direct motion descending aorta balloon occlusion device of the utility model in nature
Figure.
Fig. 2 shows the partial structural diagrams of the direct motion descending aorta balloon occlusion device of the utility model.
Fig. 3 a show a kind of knot of embodiment of the sacculus of the direct motion descending aorta balloon occlusion device of the utility model
Structure schematic diagram；Fig. 3 b show the another embodiment of the sacculus of the direct motion descending aorta balloon occlusion device of the utility model
Structural schematic diagram；Fig. 3 c show a kind of embodiment of the sacculus of the direct motion descending aorta balloon occlusion device of the utility model
Axial sectional view；Fig. 3 d show another embodiment party of the sacculus of the direct motion descending aorta balloon occlusion device of the utility model
The axial sectional view of formula.
Fig. 4 shows that the direct motion descending aorta balloon occlusion device of the utility model realizes the schematic diagram of closure in the blood vessel.
The direct motion descending aorta balloon occlusion device that Fig. 5 a-b respectively illustrate the utility model uses steering structure and flexible axle
The schematic diagram of structure.
Fig. 6 shows the direct motion descending aorta balloon occlusion device of the utility model using the effect after steering structure adjusting
Figure.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, develop simultaneously implementation referring to the drawings
The utility model is further described in example.
The proximal end of the utility model refers to close to one end of fixing device, and the distal end refers to far from fixing device
One end.
As shown in Figure 1, the direct motion descending aorta balloon occlusion device of the utility model is used to block the blood back of aorta, including
Sacculus 1, foley's tube 2, inner core 3 and steering structure 4, the inner core 3 are axially arranged in the foley's tube 2, the ball
The proximal end of capsule 1 is connect with the distal seal of the foley's tube 2, and the distal end of the sacculus 1 and the distal seal of the inner core 4 connect
It connects, the cavity fluid of the cavity limited between the inner wall of the foley's tube 2 and the outer wall of the inner core 3 and the sacculus 1 connects
Logical, the steering structure 4 is arranged on the inner core 3, and the inner core 3 is connected by the proximal end of handle 5 and the foley's tube 2
It connects.
The group of each component of the direct motion descending aorta balloon occlusion device of the utility model is described in detail below in conjunction with attached drawing
At and connection type：
In an embodiment, as shown in Fig. 2 and 3a-3d, the sacculus 1 includes distal balloon catheter 11 and proximal balloon 12,
The distal end of the distal balloon catheter 11 is connect with the distal seal of the inner core 3, and the sacculus 1 is dumbbell shape, the distal balloon catheter
11 and the proximal balloon 12 be elliposoidal.In another embodiment, the proximal balloon 12 and distal balloon catheter 11 by
The cone section at both ends and intermediate straight section composition.The sacculus 1 is made of elastic material, preferably silica gel, nylon, polyurethane, poly-
Tetrafluoroethene.The inner cavity of the sacculus 1 includes the distal end cavity 110 and proximal end cavity 120 of axial direction setting.Completely full
When, the maximum gauge of the distal balloon catheter 11 and the maximum gauge of the proximal balloon 12 differ.In one embodiment,
The maximum gauge of the distal balloon catheter is less than the maximum gauge of the proximal balloon.One as the utility model is preferred real
Mode is applied, as shown in Fig. 2, the inner core 3 is arranged in the foley's tube 2, and along the axial to distally prolonging of foley's tube 2
It stretches, until stretching out outside the distal balloon catheter 11, is connect with the distal seal of the distal balloon catheter 11, it is preferred that the inner core 3
Distally the distance between 31 and the distal end 111 of the distal balloon catheter 11 about 5mm, the distal end 31 in order to the inner core 3 and institute
It states the distal end 111 of distal balloon catheter 11 and modes are tied up etc. by hot melt, gluing, seam is tightly connected and be integrated.The proximal balloon 12
The distal end 21 of proximal end 122 and the foley's tube 2 is tightly connected, the proximal end 22 of the foley's tube 2 by handle 5 with it is described interior
Core 3 is tightly connected, and in one embodiment, the handle 5 is four connectors, is located at the two of four connectors both sides
A interface is connect with two three-way interfaces respectively, by three-way interface into the inner cavity of sacculus 1 saline injection or air
Keep the sacculus 1 full, maximum diameter when full of the distal balloon catheter 11 reaches 30-35mm, and the proximal balloon 12 exists
Maximum diameter reaches 35-40mm when full.The advantages of design, is the characteristics of direct motion descending aorta, using two different rule
The sacculus of lattice sequentially enters blood vessel, and the blocking of the proximal balloon 12 is recycled under the premise of the blocking of the distal balloon catheter 11,
Realize the closure to aorta.Aorta can be more effectively blocked under the distal balloon catheter 11,12 collective effect of proximal balloon
Blood back provides clean visual area for operation.Inner core 3 is retained in balloon occlusion device to reduce in surgical procedure in surgical procedure
The case where blood.Welding, gluing or seam, which can be used, in the sacculus 1 modes such as ties up and is fixed with the foley's tube 2 and the inner core 3
Connection.In a preferred embodiment, the distal end of the sacculus 1 is provided with developing mark or the device of other developments, is used for hand
The position and direction of sacculus 1 in the blood vessel are shown in art.The foley's tube 2 is made of high molecular material, the macromolecule material
Material includes polyvinyl chloride, polyolefin thermoplastic elastomer (TPE), polypropylene, polyethylene, high density polyethylene (HDPE).
In one embodiment, the inner core 3 is made of metal material or high molecular material, and the metal material is not
Become rusty steel, and the high molecular material includes nylon, polyvinyl chloride, polyolefin thermoplastic elastomer (TPE), polyethylene, PEBAX.It is described
Inner core 3 itself has certain toughness, and in embodiment as one preferred, the inner core is the solid hopkinson bar of 2-4mm.It is described
Inner core is fixed with the sacculus.Other devices are different from, the design is simple in structure, is fixed using the inner core 3 and the sacculus 1
The characteristics of, the surgical operation step for reducing the placement of seal wire, withdrawing and block guidewire port simplifies operation complexity, can significantly subtract
The case where few intraoperative hemorrhage.In one embodiment, the steering structure 4 is universal joint or Universal flexible shaft structure.Such as figure
Shown in 5a, in one embodiment, the universal joint by the inner core 3 convex ball 41 and groove 42 form,
The convex ball 41 and the cavity of the groove 42 match, and the convex ball 41 can rotate in the groove 42.As shown in Figure 5 b,
In another embodiment, the Universal flexible shaft structure is made of inner shaft 43 and inner shaft protecting pipe 44, the inner shaft 43 by
Several hemispherical slip-knots 431 being arranged in the inner shaft protecting pipe 44 connect with front tab 432 and rear tab 433 and
At by adjusting the direction of front tab 432 and rear tab 433, hemispherical slip-knot 43 controls the bending of flexible axle, realizes to suitable
The adjusting of row descending aorta balloon occlusion device.As shown in fig. 6, compared with similar products, the advantages of design, is in addition to described
Inner core 3 itself has certain flexibility, and the steering structure 4 on the inner core 3 can also be in the adjusting angle within the scope of 120 degree
Degree, to comply with descending aorta feature, passes through sacculus described in the steering structure dynamic regulation, it is ensured that ball is blocked in surgical procedure
Capsule can adjust in aorta to suitable position and direction, achieve the purpose that splendid blocking aorta blood back.Preferred
In embodiment, high molecular material 7 is wrapped up or is coated on the surface of the inner core 3, it is preferred that the high molecular material 7
Including polyvinyl chloride, Pebax, polypropylene, polythene material.
In one embodiment, as shown in Fig. 2, the direct motion descending aorta balloon occlusion device further includes fixing device 6,
The fixing device 6 can be fixedly connected with the proximal end 32 of the inner core 3 by modes such as welding, screw thread, buckles.The fixed dress
It sets and is provided with regulating device on 6.It is furthermore preferred that the fixing device 6 is made of regulating device and geometrical clamp, the adjusting dress
Set the tightness for adjusting the geometrical clamp and position.Preferably, the regulating device is adjusting knob, can pass through tune
The tightness that knob adjusts geometrical clamp is saved, in the course of surgery, by fixing device by the direct motion descending aorta sacculus
Block device is firmly secured in breastbone ejector.The advantages of design is to regulate position in direct motion descending aorta balloon occlusion device
It postpones and fixing device 6 is fixed in breastbone ejector, the mobile adversary art of the sacculus 1 in operative process is avoided to cause
Unnecessary influence.
Finally it should be noted that the foregoing is merely the preferred embodiment of the utility model, it is not used to limit
The utility model processed, all any modification, equivalent and improvement made within the spirit and principle of the present invention etc.,
It should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of direct motion descending aorta balloon occlusion device, which is characterized in that including sacculus (1), foley's tube (2) and inner core (3),
The inner core (3) is axially arranged in the foley's tube (2), proximal end and the foley's tube (2) of the sacculus (1)
Distal seal connects, and the distal end of the sacculus (1) connect with the distal seal of the inner core (3), the foley's tube (2) it is interior
The cavity limited between wall and the outer wall of the inner core (3) is connected to the cavity fluid of the sacculus (1), on the inner core (3)
It is provided with steering structure (4), the inner core (3) is connect by handle (5) with the proximal end of the foley's tube (2).
2. direct motion descending aorta balloon occlusion device according to claim 1, which is characterized in that the sacculus (1) includes remote
End sacculus (11) and proximal balloon (12), the distal end of the distal balloon catheter (11) are connect with the distal seal of the inner core (3).
3. direct motion descending aorta balloon occlusion device according to claim 2, which is characterized in that the sacculus (1) is dumbbell
Type.
4. direct motion descending aorta balloon occlusion device according to claim 2, which is characterized in that the distal balloon catheter (11) and
The proximal balloon (12) be elliposoidal or the proximal balloon (11) and distal balloon catheter (12) by the cone section at both ends in
Between straight section composition.
5. direct motion descending aorta balloon occlusion device according to claim 2, which is characterized in that described when completely full
The maximum gauge of distal balloon catheter (11) and the maximum gauge of the proximal balloon (12) differ.
6. direct motion descending aorta balloon occlusion device according to claim 5, which is characterized in that the distal balloon catheter (11)
Maximum gauge is less than the maximum gauge of the proximal balloon (12).
7. direct motion descending aorta balloon occlusion device according to claim 6, which is characterized in that the inner core (3) is solid
Bar.
8. direct motion descending aorta balloon occlusion device according to claim 7, which is characterized in that the steering structure (4) is
Universal joint or Universal flexible shaft structure.
9. direct motion descending aorta balloon occlusion device according to claim 7, which is characterized in that in the outer of the inner core (3)
High molecular material (7) is wrapped up or is coated on surface.
10. direct motion descending aorta balloon occlusion device according to claim 1, which is characterized in that the direct motion descending aorta
Balloon occlusion device further includes fixing device (6), and the fixing device (6) is fixedly connected with the proximal end (42) of the inner core (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721294152.2U CN207970109U (en) | 2017-10-10 | 2017-10-10 | Direct motion descending aorta balloon occlusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721294152.2U CN207970109U (en) | 2017-10-10 | 2017-10-10 | Direct motion descending aorta balloon occlusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207970109U true CN207970109U (en) | 2018-10-16 |
Family
ID=63770864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721294152.2U Active CN207970109U (en) | 2017-10-10 | 2017-10-10 | Direct motion descending aorta balloon occlusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207970109U (en) |
-
2017
- 2017-10-10 CN CN201721294152.2U patent/CN207970109U/en active Active
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| CP01 | Change in the name or title of a patent holder |
Address after: Building 5, area B, 777 Binhai Fourth Road, Hangzhou Bay New District, Ningbo City, Zhejiang Province, 315336 Patentee after: Ningbo Jianshi Technology Co.,Ltd. Address before: Building 5, area B, 777 Binhai Fourth Road, Hangzhou Bay New District, Ningbo City, Zhejiang Province, 315336 Patentee before: NINGBO JENSCARE BIOTECHNOLOGY Co.,Ltd. |
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