CN109009297A - Occluding device for operation on aorta - Google Patents
Occluding device for operation on aorta Download PDFInfo
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- CN109009297A CN109009297A CN201810647292.6A CN201810647292A CN109009297A CN 109009297 A CN109009297 A CN 109009297A CN 201810647292 A CN201810647292 A CN 201810647292A CN 109009297 A CN109009297 A CN 109009297A
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- sacculus
- air pump
- appendix
- aorta
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12027—Type of occlusion
- A61B17/1204—Type of occlusion temporary occlusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
- A61M2027/004—Implant devices for drainage of body fluids from one part of the body to another with at least a part of the circuit outside the body
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Ophthalmology & Optometry (AREA)
- Otolaryngology (AREA)
- Reproductive Health (AREA)
- Vascular Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Anesthesiology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of occluding devices for operation on aorta, including the imbedding system that can be placed in human aortic blood via hole；The imbedding system includes being all made of conduit made of flexible material, sacculus I, sacculus II, appendix I and appendix II；The upper and lower ends of the conduit are equipped with opening, and the sacculus I is sealedly connected on position of the conduit close to upper end opening, and the sacculus II is sealedly connected on position of the conduit close to lower ending opening；The sacculus I, sacculus II are inflatable and the airbag structure of block blood via hole, the sacculus I are connected with appendix I upon inflation, and the sacculus II is connected with appendix II；The invention enables the blood that heart pumps out may be output to distal end internal organs, and needs the region of surgical procedure that can safely carry out cutting operation then without blood, improves surgical quality and operation safety.
Description
Technical field
The present invention relates to medical instruments field more particularly to a kind of occluding devices for operation on aorta.
Background technique
Aortic aneurysm is the high disease of the death rate, if being not treated in time most probably development is that (48 is small for dissection of aorta
When the death rate be up to 50%), regardless of being aortic aneurysm or artery dissection operation most critical is exactly organ protection, that is, blocking
After aorta ascendens, the blood supply problem of distal end internal organs.Currently used mode be mainly upper and lower extremities be intubated respectively foundation follow in vitro
Ring, although brain and lower limb ischemia time can be reduced, the basic nothing of ischemic of mesenteric artery, coeliac trunk, the arteria renalis, spinal cord
Method avoids, and the blood supply of these internal organs is postoperative that renal failure (must go up blood filter support), alimentary canal ischemic can nearly all occur
(digestive tract ulcer perforation or obstinate flatulence), spinal cord injury (amputation), this is also operation on aorta high mortality, high concurrent disease
Reason.Another, which enables surgeon's stubborn problem, since space is limited, can not be looked for when facing huge aortic aneurysm
Pincers are blocked under to suitable angle.
Therefore, to solve the above problems, a kind of occluding device for operation on aorta is just needed, so that heart pumped out
Blood may be output to distal end internal organs, and need the region of surgical procedure that can safely carry out cutting operation then without blood, mention
High surgical quality and operation safety.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of occluding devices for operation on aorta, so that heart pump
Blood out may be output to distal end internal organs, and need the region of surgical procedure that can safely carry out incision behaviour then without blood
Make, improves surgical quality and operation safety.
Occluding device for operation on aorta of the invention, including setting in human aortic blood via hole can be placed in
Enter system；The imbedding system includes being all made of conduit made of flexible material, sacculus I, sacculus II, appendix I and appendix
Ⅱ；The upper and lower ends of the conduit are equipped with opening, and the sacculus I is sealedly connected on position of the conduit close to upper end opening, institute
State the position that sacculus II is sealedly connected on conduit close to lower ending opening；The sacculus I, sacculus II are inflatable and swollen
The airbag structure of block blood via hole, the sacculus I are connected with appendix I after swollen, the sacculus II and II phase of appendix
Connection.
As further improvement to above-mentioned technical proposal, the sacculus I, sacculus II are in elliposoidal.
As further improvement to above-mentioned technical proposal, developing mark is equipped on the sacculus I, sacculus II.
As further improvement to above-mentioned technical proposal, the diameter of the conduit is 6mm-10mm；The sacculus I, ball
Diameter of the capsule II when completely full is 40mm-50mm.
As further improvement to above-mentioned technical proposal, which further includes inflation system, the inflation system
The inflation/deflation of sacculus I is controlled by appendix I, the inflation system controls the inflation/deflation of sacculus II by appendix II.
As further improvement to above-mentioned technical proposal, the inflation system includes hand air pump I and hand air pump II,
The hand air pump I is connected by appendix I with sacculus I, and the hand air pump II is connected by appendix II with sacculus II.
As further improvement to above-mentioned technical proposal, the inflation system further includes electric air pump I and electric air pump
II, the electric air pump I with pass through appendix I after I parallel connection of hand air pump and be connected with sacculus I, the electric air pump II and manual
It is connected by appendix II with sacculus II after II parallel connection of air pump.
As further improvement to above-mentioned technical proposal, the inflation system further include four-way I, four-way II, controller,
Display, alarm device I and alarm device II；
Two inlet ends of the four-way I are separately connected the outlet side of electric air pump I and the outlet side of hand air pump I, institute
Two inlet ends for stating four-way I are separately connected baroceptor I of the appendix I and one for air pressure in real-time detection appendix I；
The signal output end of the baroceptor I is connected to the signal input part of controller, the signal output end point of the controller
It is not connected with the signal input part of electric air pump I, alarm device I and display；
Two inlet ends of the four-way II are separately connected the outlet side of electric air pump II and the outlet side of hand air pump I,
Two inlet ends of the four-way II are separately connected air pressure transmission of the appendix II and one for air pressure in real-time detection appendix II
Sensor II；The signal output end of the baroceptor II is connected to the signal input part of controller, the signal of the controller
Output end is connected with the signal input part of electric air pump II and alarm device II respectively.
As further improvement to above-mentioned technical proposal, the inflation system further includes a master for being equipped with control button
Machine, the display, alarm device I and alarm device II are installed on host；Cushion chamber, the cushion chamber are equipped in the host
In be equipped with can be along the sliding panel that cushion chamber slides up and down, the bottom of the electric air pump I and electric air pump II is on sliding panel.
As further improvement to above-mentioned technical proposal, the sliding panel is positioned at cushion chamber by buffer gear；Institute
Stating buffer gear includes being respectively supported at the first assembly of the edge of sliding panel bottom four and being supported on sliding panel bottom centre
The second component；The first assembly includes guide cylinder, guide post and spring I, and the spring I is placed in guide cylinder, described to lead
Sliding panel bottom, lower end is fixed on to the upper end of column coaxially to protrude into guide cylinder and be fixedly connected with spring I；The second component packet
It includes including upper bracket, lower bracket, first connecting rod, second connecting rod, third connecting rod, fourth link and spring II；The upper bracket is solid
It is scheduled on sliding panel bottom, the lower bracket is fixed on cushion chamber bottom surface；The upper bracket, first connecting rod, second connecting rod and lower branch
Frame is successively hinged, and the upper bracket, third connecting rod, fourth link and lower bracket are successively hinged, so that first connecting rod, the second company
Bar, third connecting rod, fourth link form planar pivot four-bar mechanism, and the spring II is located in a manner of being parallel to horizontal plane
Inside planar pivot four-bar mechanism.
By above disclosure, the present invention has following advantageous effects:
Occluding device for operation on aorta of the invention passes through arteria carotis in sacculus I and II equal unaerated of sacculus
Puncture puts into system and is sent into aorta, passes through appendix I and defeated when sacculus I is at operative site blood supply with sacculus II
Tracheae II is respectively inflated sacculus I and sacculus II, close with aortic blood inside pipe wall after II inflation of sacculus I and sacculus
Contact blocks to be formed to blood via hole；And since conduit is through-pipe structure, the blocking that sacculus I and sacculus II are formed is only
This part for being limited between sacculus I and sacculus II and being in outside conduit, the blood that heart pumps out still may be output to by conduit
Distal end internal organs, and the part of stasis is operative site, so that need the region of surgical procedure then without blood, thus
Cutting operation can be safely carried out, operation safety and surgical quality are improved.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is structural schematic diagram when imbedding system of the invention is placed in human body；
Fig. 3 is the functional block diagram of inflation system of the invention；
Fig. 4 is the structural schematic diagram of buffer gear of the invention.
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 is as shown in Figures 1 to 4: the occluding device for operation on aorta of the present embodiment, including human body can be placed in actively
Imbedding system in arteries and veins blood via hole 9；The imbedding system include be all made of conduit 1, sacculus I 21 made of flexible material,
Sacculus II 22, appendix I 31 and appendix II 32；The upper and lower ends of the conduit 1 are equipped with opening, and the sacculus I 21 seals
Conduit 1 is connected to close to the position of upper end opening (in proximal end when operation), it is close that the sacculus II 22 is sealedly connected on conduit 1
The position of lower ending opening (in distal end when operation)；The sacculus I 21, sacculus II 22 are inflatable and block up upon inflation
The airbag structure of blood via hole is filled in, the sacculus I 21 is connected with appendix I 31, the sacculus II 22 and appendix II 32
It is connected；The component of imbedding system needs to protrude into aorta, it is therefore necessary to have certain wholesomeness and pliability, use existing
Some is made in accordance with medical flexible material, may be, for example, medical polyurethane material or medical silica-gel material；Conduit 1, gas transmission
The length of pipe I 31 and appendix II 32 can as needed depending on；Sealed connection refers between sacculus I 21, sacculus II 22 and conduit 1
It is not connected to, and fits closely together, sacculus I 21, sacculus II 22 are rolled in outside conduit 1, do not influence the connectivity of conduit 1；Ball
Capsule I 21, sacculus II 22 are preferably in elliposoidal.It is adapted to the section character of blood vessel, is convenient for blocking, improve blocking effect；
Meanwhile it being equipped with developing mark (not shown) on sacculus I 21, sacculus II 22, it may be, for example, and be located at sacculus I 21, sacculus
The opaque insertion label of II 22 inner walls or outer wall, for marking the position of sacculus I 21, sacculus II 22；The diameter of conduit 1 can
For 6mm-10mm, the diameter of sacculus I 21, sacculus II 22 when completely full can be 40mm-50mm, be suitable for protruding into aorta,
Convenient for being operated in art.
Using the present apparatus, in sacculus I 21 and II 22 equal unaerated of sacculus, system is put by carotid puncture and is sent into
Aorta, passes through appendix I 31 when sacculus I 21 is at operative site blood supply with sacculus II 22 and appendix II 32 is distinguished
Sacculus I 21 and sacculus II 22 are inflated, closely connect after II 22 inflation of sacculus I 21 and sacculus with aortic blood inside pipe wall
Touching blocks to be formed to blood via hole；And since conduit 1 is through-pipe structure, the blocking of sacculus I 21 and the formation of sacculus II 22
It is only limitted between sacculus I 21 and sacculus II 22 and is in this part outside conduit 1, the blood that heart pumps out passes through conduit 1 still
It may be output to distal end internal organs, and the part of stasis is operative site, so that needing the region of surgical procedure does not have then
Blood (as shown in figure 3, arrow is direction of flow of blood in figure), so as to safely carry out cutting operation, improves hand
Art safety and surgical quality.
In the present embodiment, which further includes inflation system, and the inflation system controls sacculus by appendix I 31
I 21 inflation/deflation, the inflation system control the inflation/deflation of sacculus II 22 by appendix II 32；Appendix I 31, appendix II
32 independent actions, it is non-interference；As long as inflation system can be realized the inflation/deflation of sacculus I 21, sacculus II 22, structure can
Using existing random devices；For example, the inflation system may include hand air pump I 41 and hand air pump II 42, it is described manually
Air pump I 41 is connected by appendix I 31 with sacculus I 21, and the hand air pump II 42 passes through appendix II 32 and II 22 phase of sacculus
Even, with this configuration can purely manual mode be inflated, and while deflating, also need to only open corresponding air valve or gas nozzle
?；It is, of course, preferable to ground, the inflation system may also include electric air pump I 51 and electric air pump II 52, the electric air pump I
51 are connected by appendix I 31 with sacculus I 21 with after I 41 parallel connection of hand air pump, the electric air pump II 52 and hand air pump II
Be connected with sacculus II 22 after 42 parallel connections by appendix II 32, using this structure, when inflation can first pass through electric air pump I 51,
II 52 pairs of sacculus I 21 of electric air pump, sacculus II 22 are inflated, when sacculus I 21, sacculus II 22 strut to a certain extent, then
It is finely adjusted inflation by hand air pump I 41, II 42 pairs of sacculus I 21 of hand air pump, sacculus II 22, can reduce medical staff's
Working strength, and aeration quantity can be effectively controlled according to the actual conditions of patient.
In the present embodiment, the inflation system further includes four-way I 61, four-way II 62, controller 63, display 64, alarm
Device I 65 and alarm device II 66；Controller 63 can be existing single-chip microcontroller；Two inlet ends of the four-way I 61 are separately connected electricity
It takes offence the outlet side of pump I 51 and the outlet side of hand air pump I 41, two inlet ends of the four-way I 61 are separately connected appendix I
31 and a baroceptor I 71 for air pressure in real-time detection appendix I 31；The signal of the baroceptor I 71 exports
End is connected to the signal input part of controller 63, the signal output end of the controller 63 respectively with electric air pump I 51, alarm device
I 65 and display 64 signal input part be connected；Air pressure in appendix I 31 can characterize the filling degree of sacculus I 21, and air pressure is got over
It is big to indicate that sacculus I 21 expands more abundant, therefore I 21 size of sacculus is adjusted by the control of monitoring and inflation to air pressure,
It is also similarly for sacculus II 22；Two inlet ends of the four-way II 62 are separately connected outlet side and the hand of electric air pump II 52
It takes offence the outlet side of pump I 41, two inlet ends of the four-way II 62 are separately connected appendix II 32 and one for real-time detection
The baroceptor II 72 of air pressure in appendix II 32；The signal output end of the baroceptor II 72 is connected to controller 63
Signal input part, the signal output end of the controller 63 respectively with the signal of electric air pump II 52 and alarm device II 66 input
End is connected；Air pressure size measured by baroceptor I 71, baroceptor II 72 can be shown in display 64, from
And it is observed at any time convenient for medical staff；Be additionally provided with control threshold in controller 63, when air pressure reaches threshold value, controller 63 to
Electric air pump I 51, electric air pump II 52 issue stop signal, while issuing enabling signal to alarm device I 65 and alarm device II 66,
To remind medical staff, to can effectively avoid excessive inflation, operation safety is substantially increased.
In the present embodiment, the inflation system further includes a host 67 for being equipped with control button 68, the display 64, police
Report device I 65 and alarm device II 66 are installed on host 67；Cushion chamber 67a is equipped in the host 67, in the cushion chamber 67a
Equipped with can be along the sliding panel 69 that cushion chamber 67a is slided up and down, the bottom of the electric air pump I 51 and electric air pump II 52 be in cunning
On movable plate 69；Host 67 installs the main body of inflation system component, is conducive to the densification of system, is readily transported and uses；Control
Device 63 is located in host 67, and control button is connected with controller 63, can carry out active control to inflation system by control button；
Electrical component in inflation system can be powered by alternating current；The section of cushion chamber 67a can be rectangular or round；Sliding panel
69 shape then with cushion chamber 67a adapt to, the settable sliding rail of the inner wall of cushion chamber 67a, sliding panel 69 installation on the slide rail with into
Row has sliding up and down for guiding；Electric air pump I 51 and electric air pump II 52 are easy to produce vibration and displacement at work, are set
Vibration can be buffered in cushion chamber 67a, to reduce noise when its work, and elongate member service life.
In the present embodiment, the sliding panel 69 is positioned at cushion chamber 67a by buffer gear；Buffer gear is cushion chamber
The buffer unit of 67a；The buffer gear includes the first assembly and branch for being respectively supported at sliding panel 69 bottom four edge
Support the second component in 69 bottom centre of sliding panel；The first assembly includes guide cylinder 801, guide post 802 and spring I 803,
The spring I 803 is placed in guide cylinder 801, and 69 bottom of sliding panel is fixed in the upper end of the guide post 802, lower end is coaxially stretched
Enter guide cylinder 801 and is fixedly connected with spring I 803；Second component includes including upper bracket 804, lower bracket 805, first
Connecting rod 806, second connecting rod 807, third connecting rod 808, fourth link 809 and spring II 810；The upper bracket 804 is fixed on cunning
69 bottom of movable plate, the lower bracket 805 are fixed on the bottom surface cushion chamber 67a；The upper bracket 804, first connecting rod 806, second connect
Bar 807 and lower bracket 805 are successively hinged, and the upper bracket 804, third connecting rod 808, fourth link 809 and lower bracket 805 are successively
Hingedly, so that first connecting rod 806, second connecting rod 807, third connecting rod 808, fourth link 809 form planar pivot four-bar mechanism,
And the spring II 810 is located inside planar pivot four-bar mechanism in a manner of being parallel to horizontal plane；Electric air pump I 51 and electronic
The vibration that air pump II 52 generates is transferred to sliding panel 69, and when sliding panel 69 moves downward, spring I 803 is let out by compressive deformation
Pressure, first connecting rod 806, second connecting rod 807, third connecting rod 808, fourth link 809 move outward, at this time four bar of plane hinge
Deformation occurs for mechanism, and spring II 810 is stretched；Under the effect of the elasticity recovery of spring I 803 and spring II 810, first connecting rod
806, second connecting rod 807, third connecting rod 808, fourth link 809 are moved inward and are gradually resetted, thus farthest to vibration
It is dynamic to be buffered, it effectively prevents influencing system precision due to the component of inflation system is connected and loosened.
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 (10)
1. a kind of occluding device for operation on aorta, it is characterised in that: including human aortic blood via hole can be placed in
In imbedding system；The imbedding system include be all made of conduit made of flexible material, sacculus I, sacculus II, appendix I and
Appendix II；The upper and lower ends of the conduit are equipped with opening, and the sacculus I is sealedly connected on position of the conduit close to upper end opening
It sets, the sacculus II is sealedly connected on position of the conduit close to lower ending opening；The sacculus I, sacculus II are inflatable
And the airbag structure of block blood via hole, the sacculus I are connected with appendix I upon inflation, the sacculus II and gas transmission
Pipe II is connected.
2. the occluding device according to claim 1 for operation on aorta, it is characterised in that: the sacculus I, sacculus II
It is in elliposoidal.
3. the occluding device according to claim 1 for operation on aorta, it is characterised in that: the sacculus I, sacculus II
On be equipped with developing mark.
4. the occluding device according to claim 1 for operation on aorta, it is characterised in that: the diameter of the conduit is
6mm-10mm；The diameter of the sacculus I, sacculus II when completely full is 40mm-50mm.
5. the occluding device according to any one of claims 1 to 4 for operation on aorta, it is characterised in that: the blocking
Device further includes inflation system, and the inflation system controls the inflation/deflation of sacculus I by appendix I, and the inflation system passes through
The inflation/deflation of the control sacculus II of appendix II.
6. the occluding device according to claim 5 for operation on aorta, it is characterised in that: the inflation system includes
Hand air pump I and hand air pump II, the hand air pump I are connected by appendix I with sacculus I, and the hand air pump II passes through
Appendix II is connected with sacculus II.
7. the occluding device according to claim 6 for operation on aorta, it is characterised in that: the inflation system also wraps
Electric air pump I and electric air pump II are included, the electric air pump I is connected by appendix I with sacculus I with after I parallel connection of hand air pump,
The electric air pump II is connected by appendix II with sacculus II with after II parallel connection of hand air pump.
8. the occluding device according to claim 7 for operation on aorta, it is characterised in that: the inflation system also wraps
Include four-way I, four-way II, controller, display, alarm device I and alarm device II；
Two inlet ends of the four-way I are separately connected the outlet side of electric air pump I and the outlet side of hand air pump I, and described four
Logical I two inlet ends are separately connected baroceptor I of the appendix I and one for air pressure in real-time detection appendix I；It is described
The signal output end of baroceptor I is connected to the signal input part of controller, the signal output end of the controller respectively with
The signal input part of electric air pump I, alarm device I and display is connected；
Two inlet ends of the four-way II are separately connected the outlet side of electric air pump II and the outlet side of hand air pump I, described
Two inlet ends of four-way II are separately connected baroceptor of the appendix II and one for air pressure in real-time detection appendix II
Ⅱ；The signal output end of the baroceptor II is connected to the signal input part of controller, the signal output of the controller
End is connected with the signal input part of electric air pump II and alarm device II respectively.
9. the occluding device according to claim 8 for operation on aorta, it is characterised in that: the inflation system also wraps
A host for being equipped with control button is included, the display, alarm device I and alarm device II are installed on host；In the host
Equipped with cushion chamber, being equipped in the cushion chamber can be along the sliding panel that cushion chamber slides up and down, the electric air pump I and electric air pump
II bottom is on sliding panel.
10. the occluding device according to claim 9 for operation on aorta, it is characterised in that: the sliding panel passes through
Buffer gear is positioned at cushion chamber；The buffer gear includes the first assembly for being respectively supported at four edges in sliding panel bottom
And it is supported on the second component of sliding panel bottom centre；The first assembly includes guide cylinder, guide post and spring I, the bullet
Spring I is placed in guide cylinder, the upper end of the guide post be fixed on sliding panel bottom, lower end coaxially protrude into guide cylinder and with spring I
It is fixedly connected；Second component includes connecting including upper bracket, lower bracket, first connecting rod, second connecting rod, third connecting rod, the 4th
Bar and spring II；The upper bracket is fixed on sliding panel bottom, and the lower bracket is fixed on cushion chamber bottom surface；The upper bracket,
First connecting rod, second connecting rod and lower bracket are successively hinged, and the upper bracket, third connecting rod, fourth link and lower bracket are successively cut with scissors
Connect so that first connecting rod, second connecting rod, third connecting rod, fourth link formed planar pivot four-bar mechanism, and the spring II with
The mode for being parallel to horizontal plane is located inside planar pivot four-bar mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810647292.6A CN109009297A (en) | 2018-06-22 | 2018-06-22 | Occluding device for operation on aorta |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810647292.6A CN109009297A (en) | 2018-06-22 | 2018-06-22 | Occluding device for operation on aorta |
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| CN109009297A true CN109009297A (en) | 2018-12-18 |
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| CN201810647292.6A Pending CN109009297A (en) | 2018-06-22 | 2018-06-22 | Occluding device for operation on aorta |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111603216A (en) * | 2020-06-29 | 2020-09-01 | 程兆云 | Aorta block-free type anastomosis auxiliary device and using method thereof |
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Application publication date: 20181218 |