CN107693081A - Bloodstream blocking support is used in one kind operation - Google Patents
Bloodstream blocking support is used in one kind operation Download PDFInfo
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- CN107693081A CN107693081A CN201711057640.6A CN201711057640A CN107693081A CN 107693081 A CN107693081 A CN 107693081A CN 201711057640 A CN201711057640 A CN 201711057640A CN 107693081 A CN107693081 A CN 107693081A
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- support
- outer tube
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- tube
- inner tube
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 49
- 229920001971 elastomer Polymers 0.000 claims description 5
- 229920002529 medical grade silicone Polymers 0.000 claims description 5
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 3
- 239000004626 polylactic acid Substances 0.000 claims description 3
- 239000008280 blood Substances 0.000 abstract description 7
- 210000004369 blood Anatomy 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 230000004888 barrier function Effects 0.000 abstract description 2
- 238000001356 surgical procedure Methods 0.000 description 10
- 210000004185 liver Anatomy 0.000 description 8
- 208000007536 Thrombosis Diseases 0.000 description 7
- 238000005457 optimization Methods 0.000 description 7
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 6
- 210000004204 blood vessel Anatomy 0.000 description 6
- 229960002897 heparin Drugs 0.000 description 6
- 229920000669 heparin Polymers 0.000 description 6
- 230000017531 blood circulation Effects 0.000 description 5
- 230000001194 anti-hemostatic effect Effects 0.000 description 4
- 230000023555 blood coagulation Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 206010044565 Tremor Diseases 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 239000003146 anticoagulant agent Substances 0.000 description 3
- 229940127219 anticoagulant drug Drugs 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003387 muscular Effects 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 230000002429 anti-coagulating effect Effects 0.000 description 2
- 210000002318 cardia Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001631 haemodialysis Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 210000005229 liver cell Anatomy 0.000 description 2
- 208000010125 myocardial infarction Diseases 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 210000001631 vena cava inferior Anatomy 0.000 description 2
- 241000415078 Anemone hepatica Species 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 208000024248 Vascular System injury Diseases 0.000 description 1
- 208000012339 Vascular injury Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12159—Solid plugs; being solid before insertion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00831—Material properties
- A61B2017/00893—Material properties pharmaceutically effective
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord for haemostasis, for prevention of bleeding
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a kind of operation bloodstream blocking support, including support outer tube（1）With support inner tube（2）, support inner tube（2）It is plugged in support outer tube（1）It is interior and with support outer tube（1）Rotation connection；The support inner tube（2）It is provided with external screw thread, support outer tube outside（1）Ring-shaped step projection is provided with inwall（3）, ring-shaped step projection（3）Inner ring surface on be provided with internal thread, support inner tube（2）External screw thread and ring-shaped step projection（3）Screw-internal thread fit set；The support inner tube（2）Outer wall on be provided with annular groove（4）, support inner tube（2）On be socketed with rotating support ring（5）, rotating support ring（5）It is arranged at annular groove（4）It is interior.In the technical scheme of the application, blood is blocked so as to obtain clearly surgical field of view by bloodstream blocking support, and it is simple in construction, and barrier effect is good.
Description
Technical field
The present invention relates to a kind of operation bloodstream blocking support, belong to medical instruments field.
Background technology
Injury of inferior vena cava is one of most reluctant situation in trauma of abdomen surgery behind vena hepatica root and liver, dead
Rate is high, can even reach 80-100% in case and few diagnosis and treatment central death rate, reason is exactly to appear wound to be extremely stranded
Difficulty, even if appearing reluctantly and using massive haemorrhage and/or aeroembolism as cost, and clearly surgical field of view can not be obtained.
A kind of operation on liver bloodstream blocking device is disclosed in the prior art（Patent No.：CN201510748887.7）Energy
Enough prevent Inferior Vena Cava Blood Flow from being outflowed from wound, obtain clearly surgical field of view, be easy to repair vascular injury site.It is existing
There are this operation on liver bloodstream blocking device in technology, although the effect of blocking blood flow can be realized, a small amount of blood
Or can be from leaking into the range of surgical field of view between its valve.And this operation on liver bloodstream blocking of the prior art
Apparatus structure is complicated, manufacture inconvenience.
The content of the invention
In view of the deficienciess of the prior art, the technical problem to be solved by the invention is to provide a kind of operation blood flow
Support is blocked, in surgical procedure, bloodstream blocking support is inserted intravascular, blood is blocked so as to obtaining by bloodstream blocking support
Clearly surgical field of view, and simple in construction is obtained, barrier effect is good.
In order to solve the above technical problems, the present invention adopts the technical scheme that, bloodstream blocking support is used in one kind operation, including
Support outer tube and support inner tube, support inner tube are plugged in support outer tube and are rotatablely connected with support outer tube；The support inner tube
External screw thread is provided with outside, ring-shaped step projection is provided with support outer tube wall, is provided with the inner ring surface of ring-shaped step projection
Internal thread, the external screw thread of support inner tube and the screw-internal thread fit of ring-shaped step projection are set；Set on the outer wall of the support inner tube
Annular groove is equipped with, rotating support ring is socketed with support inner tube, rotating support ring is arranged in annular groove, rotating support ring
Outer surface and annular groove inner surface sliding contact；Some outer tubes are fixedly installed on the stage casing inwall of the support outer tube
Be hinged journal stirrup, support ring is provided with the outer ring surface of rotating support ring and is hinged journal stirrup, rotating support ring and support outer tube wall it
Between be provided with expansion support bar, expand support bar both ends be hinged respectively with support ring journal stirrup, outer tube be hinged journal stirrup be hinged.
In the technical scheme of the application, there is provided support outer tube and support inner tube, and in surgical procedure, support outer tube is inserted
Enter into inferior caval vein blood vessel, can be manually rotated support inner tube so as to support outer tube tail end direction in support inner tube rotary course
It is mobile.During support inner tube moves, rotating support ring moves position, after the movement of rotating support ring, supporting
The be hinged journal stirrup of ring is hinged the distance between journal stirrup with outer tube and also changed therewith, so that expansion support bar is outwards propped up outside support
The stage casing outer wall of pipe so that form some projections on the stage casing outer wall of support outer tube, the raised increasing propped up by expanding support bar
Add the frictional force between support outer tube and blood vessel, fixed so as to facilitate the position of bloodstream blocking support in the blood vessels,
In surgical procedure, will not because of muscular tremor and caused by device shift, improve use reliability.And relative to prior art
In bloodstream blocking device, the technical scheme of the application is simple in construction, need to part it is less, reduce manufacture difficulty, and energy
Reach identical effect.Support inner tube one end closing one end open in the technical scheme of the application, its openend is arranged at branch
In frame outer tube, blind end is arranged at outside support outer tube, ring-shaped step projection closed supports outer wall of inner tube and support outer tube wall it
Between space, so reduce the internal interstices of bloodstream blocking support, anti-Hemostatic Oral Liquid flows out from gap.
In the technical scheme of the application, part heparin can be pre-charged with support outer tube and support inner tube as anti-freezing
Blood agent, heparin are clinically mainly used in thrombotic disease, myocardial infarction, angiocarpy as a kind of conventional anticoagulant
Operation, cardia catheterization, extracorporal circulatory system, haemodialysis etc..Be for liver because heparin is found and liver cell first, and
And unexpected anticoagulant effect can be reached applied to liver.Device overlong time in the blood vessels is prevented, local blood occurs
The symptom of bolt, it ensure that the probability of success of operation.
Optimization, above-mentioned operation bloodstream blocking support, the support outer tube includes outer tube leading portion, outer tube stage casing and outer tube
Back segment, outer tube leading portion, outer tube stage casing and outer tube back segment are sequentially connected, after outer tube leading portion and outer tube stage casing, outer tube stage casing and outer tube
Section threaded connection；The outer tube stage casing is medical grade silicon rubber flexible pipe.In order to facilitate bloodstream blocking support intravasation, outer tube leading portion
Front end could be arranged to cone.
In the technical scheme of the application, support outer tube is arranged to by outer tube leading portion, outer tube stage casing and outer tube back segment successively
The form of threaded connection, the material and shape of different outer tube leading portions and outer tube back segment can be so selected according to formality situation,
Outer tube stage casing is because silicon rubber elastic is preferable using medical grade silicon rubber flexible pipe, and convenient expansion support bar, which props up outer tube stage casing, makes it
Surface forms projection.
Optimization, above-mentioned operation bloodstream blocking support, the outer tube leading portion, outer tube back segment are medical polylactic-acid tube.
Optimize, above-mentioned operation bloodstream blocking support, it is fixed that some annulars are provided with the inwall of the support outer tube
Projection, the inner ring surface of annular fixed lobe and the outer surface sliding contact of support inner tube.
In rotary course, if support inner tube can not keep preferable axiality, support inner tube meeting with turning support outer tube
Generation jam.In order to be maintained in support inner tube rotary course and turn the axiality of support outer tube, in the technical scheme of the application
Some annular fixed lobes are provided with the inwall of support outer tube, to keep rotary course medium-height trestle inner tube and turn support outer tube
Axiality.
Optimization, above-mentioned operation bloodstream blocking support, the support inner tube is hollow tubular, and support inner tube is arranged at branch
Closure plug is provided with one end outside frame outer tube, closure plug is fixedly connected with support inner tube.
Optimize, above-mentioned operation bloodstream blocking support, internal thread, closure plug are provided with the end of the support inner tube
It is threadedly coupled with the internal thread in the end of support inner tube；The end edge that the end interior thickness of closure plug is more than closure plug is thick
Degree.
Closure plug is provided with the technical scheme of the application, is located at one end outside support outer tube for plug rack inner tube.
If thrombus or blood coagulation situation occurs in surgical procedure medium vessels section part, in the end that closure plug can be punctured with sharp object
Portion, so that blood flows out on a small quantity, alleviate the situation of thrombus or blood coagulation.
Optimization, above-mentioned operation bloodstream blocking support, the tail end of the support outer tube is provided with annular brace piece, annular
The outer ring surface diameter of support chip is more than the external diameter of support outer tube.
It is intravascular that the setting of annular brace piece can prevent that bloodstream blocking support from excessively going deep into, convenient to be taken at the end of operation
Go out bloodstream blocking support.
Optimization, above-mentioned operation bloodstream blocking support, the support inner tube is arranged at the end of one end of support outer tube
It is raised that the plug at end part of annular is provided with outer surface, the raised outer ring surface of plug at end part contacts with the inner surface of support outer tube.
It is raised that plug at end part is provided with the technical scheme of the application, with further filling bracket outer wall of inner tube and support outside
Space between inside pipe wall, anti-Hemostatic Oral Liquid flow out from gap.
Optimization, above-mentioned operation bloodstream blocking support, the middle part wall thickness in the outer tube stage casing is less than the two of outer tube stage casing
End wall is thick.
The both ends wall thickness that the middle part wall thickness in outer tube stage casing is less than outer tube stage casing conveniently expansion support bar can be jacked up in outer tube
The outer wall of section forms projection.
Optimization, above-mentioned operation bloodstream blocking support, the expansion support bar is the metallic support rod of arc.
The advantage of the invention is that：In the technical scheme of the application, there is provided support outer tube and support inner tube, is performing the operation
Cheng Zhong, support outer tube is inserted into inferior caval vein blood vessel, can be manually rotated support inner tube so that in support inner tube rotary course to
Move in support outer tube tail end direction.During support inner tube moves, rotating support ring moves position, in rotating support
After ring movement, the be hinged journal stirrup of support ring is hinged the distance between journal stirrup with outer tube and also changed therewith, so that expansion support
Bar outwards props up the stage casing outer wall of support outer tube so that some projections is formed on the stage casing outer wall of support outer tube, by expanding branch
The projection that strut is propped up adds the frictional force between support outer tube and blood vessel, so as to facilitate bloodstream blocking support in blood
Position in pipe is fixed, in surgical procedure, will not because of muscular tremor and caused by device shift, improve use reliability.And
And relative to bloodstream blocking device of the prior art, the technical scheme of the application is simple in construction, need to part it is less, reduce
Manufacture difficulty, and can reach identical effect.And the bloodstream blocking support of the technical scheme of the application its bloodstream blocking effect
Fruit is better than bloodstream blocking device of the prior art, good airproof performance.Can be selected according to different surgery situation outer tube leading portion and
The material and shape of outer tube back segment, applicability are wide.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the internal structure schematic diagram of the present invention.
Embodiment
The technical characterstic of the present invention is expanded on further with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
The present invention is a kind of operation bloodstream blocking support, including support outer tube 1 and support inner tube 2, the grafting of support inner tube 2
It is rotatablely connected in support outer tube 1 and with support outer tube 1；External screw thread, the inwall of support outer tube 1 are provided with outside the support inner tube 2
On be provided with ring-shaped step projection 3, be provided with internal thread on the inner ring surface of ring-shaped step projection 3, the external screw thread of support inner tube 2 and
The screw-internal thread fit of ring-shaped step projection 3 is set；Annular groove 4, support inner tube 2 are provided with the outer wall of the support inner tube 2
On be socketed with rotating support ring 5, rotating support ring 5 is arranged in annular groove 4, and the outer surface of rotating support ring 5 and annular are recessed
The inner surface sliding contact of groove 4；Some outer tubes are fixedly installed on the stage casing inwall of the support outer tube 1 and are hinged journal stirrup 6, are rotated
Support ring is provided with the outer ring surface of support ring 5 and is hinged journal stirrup 7, expansion is provided between rotating support ring 5 and the inwall of support outer tube 1
Support bar 8 is opened, the both ends of expansion support bar 8 are hinged the be hinged journal stirrup 6 of journal stirrup 7, outer tube with support ring and are hinged respectively.
In the technical scheme of the application, there is provided support outer tube 1 and support inner tube 2, in surgical procedure, by support outer tube
1 is inserted into inferior caval vein blood vessel, can be manually rotated support inner tube 2 so as to the tail of support outer tube 1 in the rotary course of support inner tube 2
Extreme direction moves.During support inner tube 2 moves, rotating support ring 5 moves position, is moved in rotating support ring 5
After, support ring is hinged journal stirrup 7 and outer tube and is hinged the distance between journal stirrup 6 also to be changed therewith so that expand support bar 8 to
The outer stage casing outer wall for propping up support outer tube 1 so that form some projections on the stage casing outer wall of support outer tube 1, supported by expanding
The projection that bar 8 is propped up adds the frictional force between support outer tube 1 and blood vessel, so as to facilitate bloodstream blocking support in blood
Position in pipe is fixed, in surgical procedure, will not because of muscular tremor and caused by device shift, improve use reliability.And
And relative to bloodstream blocking device of the prior art, the technical scheme of the application is simple in construction, need to part it is less, reduce
Manufacture difficulty, and can reach identical effect.The one end of support inner tube 2 closing one end open in the technical scheme of the application,
Its openend is arranged in support outer tube 1, and blind end is arranged at outside support outer tube 1, the closed supports inner tube 2 of ring-shaped step projection 3
Space between outer wall and the inwall of support outer tube 1, so reduces the internal interstices of bloodstream blocking support, and anti-Hemostatic Oral Liquid is from gap
Place's outflow.
In the technical scheme of the application, part heparin can be pre-charged with support outer tube 1 and support inner tube 2 as anti-
Coagulant, heparin are clinically mainly used in thrombotic disease, myocardial infarction, painstaking effort as a kind of conventional anticoagulant
Pipe operation, cardia catheterization, extracorporal circulatory system, haemodialysis etc..Be for liver because heparin is found and liver cell first,
And unexpected anticoagulant effect can be reached applied to liver.Device overlong time in the blood vessels is prevented, is occurred local
The symptom of thrombus, it ensure that the probability of success of operation.
The support outer tube 1 includes outer tube leading portion 9, outer tube stage casing 10 and outer tube back segment 11, outer tube leading portion 9, outer tube stage casing
10 and outer tube back segment 11 be sequentially connected, outer tube leading portion 9 is threadedly coupled with outer tube stage casing 10, outer tube stage casing 10 with outer tube back segment 11；
The outer tube stage casing 10 is medical grade silicon rubber flexible pipe.In order to facilitate bloodstream blocking support intravasation, the front end of outer tube leading portion 9 can
To be arranged to cone.
In the technical scheme of the application, support outer tube 1 is arranged to by outer tube leading portion 9, outer tube stage casing 10 and outer tube back segment
11 forms being threadedly coupled successively, the material of different outer tube leading portions 9 and outer tube back segment 11 can be so selected according to formality situation
Matter and shape, outer tube stage casing 10 are because silicon rubber elastic is preferable using medical grade silicon rubber flexible pipe, and convenient support bar 8 of expanding is propped up
Outer tube stage casing 10 makes its surface form projection.
The outer tube leading portion 9, outer tube back segment 11 are medical polylactic-acid tube.
Some annular fixed lobes 12, the inner ring surface of annular fixed lobe 12 are provided with the inwall of the support outer tube 1
With the outer surface sliding contact of support inner tube 2.
In rotary course, if support inner tube 2 can not keep preferable axiality, support inner tube with turning support outer tube 1
2 can occur jam.In order to be maintained in the rotary course of support inner tube 2 and the axiality for turning support outer tube 1, the technical side of the application
Some annular fixed lobes 12 are provided with case on the inwall of support outer tube 1, to keep rotary course medium-height trestle inner tube 2 with turning
The axiality of support outer tube 1.
The support inner tube 2 is hollow tubular, and closure is provided with one end that support inner tube 2 is arranged at outside support outer tube 1
Plug 13, closure plug 13 are fixedly connected with support inner tube 2.
Internal thread, closure plug 13 and the internal thread in the end of support inner tube 2 are provided with the end of the support inner tube 2
Threaded connection；The end interior thickness of closure plug 13 is more than the end edge thickness of closure plug 13.
Closure plug 13, one be located at for plug rack inner tube 2 outside support outer tube 1 are provided with the technical scheme of the application
End.If thrombus or blood coagulation situation occurs in surgical procedure medium vessels section part, closure plug 13 can be punctured with sharp object
In the middle part of end, so that blood flows out on a small quantity, alleviate the situation of thrombus or blood coagulation.
The tail end of the support outer tube 1 is provided with annular brace piece 14, and the outer ring surface diameter of annular brace piece 14 is more than branch
The external diameter of frame outer tube 1.
It is intravascular that the setting of annular brace piece 14 can prevent that bloodstream blocking support from excessively going deep into, convenient at the end of operation
Take out bloodstream blocking support.
The plug at end part of annular is provided with the end outer surface of one end that the support inner tube 2 is arranged at support outer tube 1
Projection 15, the outer ring surface of plug at end part projection 15 contacts with the inner surface of support outer tube 1.
Plug at end part projection 15 is provided with the technical scheme of the application, with the further outer wall of filling bracket inner tube 2 and branch
Space between the inwall of frame outer tube 1, anti-Hemostatic Oral Liquid flow out from gap.
The middle part wall thickness in the outer tube stage casing 10 is less than the both ends wall thickness in outer tube stage casing 10.
The both ends wall thickness that the middle part wall thickness in outer tube stage casing 10 is less than outer tube stage casing 10 conveniently expansion support bar 8 can jack up outside
The outer wall in pipe stage casing 10 forms projection.
The expansion support bar 8 is the metallic support rod of arc.
Expansion support bar 8 be arranged to arc can reduce expansion the action process of support bar 8 in jam occurs.
Certainly, it is limitation of the present invention that described above, which is not, and the present invention is also not limited to the example above, the art
Those of ordinary skill, in the essential scope of the present invention, the variations, modifications, additions or substitutions made, should all belong to the present invention
Protection domain.
Claims (10)
1. bloodstream blocking support is used in one kind operation, it is characterised in that：Including support outer tube（1）With support inner tube（2）, support inner tube
（2）It is plugged in support outer tube（1）It is interior and with support outer tube（1）Rotation connection；The support inner tube（2）External screw thread is provided with outside,
Support outer tube（1）Ring-shaped step projection is provided with inwall（3）, ring-shaped step projection（3）Inner ring surface on be provided with internal thread,
Support inner tube（2）External screw thread and ring-shaped step projection（3）Screw-internal thread fit set；The support inner tube（2）Outer wall on
It is provided with annular groove（4）, support inner tube（2）On be socketed with rotating support ring（5）, rotating support ring（5）It is recessed to be arranged at annular
Groove（4）It is interior, rotating support ring（5）Outer surface and annular groove（4）Inner surface sliding contact；The support outer tube（1）'s
Some outer tubes are fixedly installed on the inwall of stage casing and are hinged journal stirrup（6）, rotating support ring（5）Outer ring surface on be provided with support ring hinge
Connect journal stirrup（7）, rotating support ring（5）With support outer tube（1）Expansion support bar is provided between inwall（8）, expand support bar（8）
Both ends be hinged journal stirrup with support ring respectively（7）, outer tube be hinged journal stirrup（6）It is be hinged.
2. bloodstream blocking support is used in operation according to claim 1, it is characterised in that：The support outer tube（1）Including outer
Pipe leading portion（9）, outer tube stage casing（10）With outer tube back segment（11）, outer tube leading portion（9）, outer tube stage casing（10）With outer tube back segment（11）According to
Secondary connection, outer tube leading portion（9）With outer tube stage casing（10）, outer tube stage casing（10）With outer tube back segment（11）Threaded connection；The outer tube
Stage casing（10）For medical grade silicon rubber flexible pipe.
3. bloodstream blocking support is used in operation according to claim 1, it is characterised in that：The outer tube leading portion（9）, after outer tube
Section（11）For medical polylactic-acid tube.
4. bloodstream blocking support is used in operation according to claim 1, it is characterised in that：The support outer tube（1）Inwall
On be provided with some annular fixed lobes（12）, annular fixed lobe（12）Inner ring surface and support inner tube（2）Outer surface slide
Dynamic contact.
5. bloodstream blocking support is used in operation according to claim 1, it is characterised in that：The support inner tube（2）To be hollow
Tubulose, support inner tube（2）It is arranged at support outer tube（1）Closure plug is provided with outer one end（13）, closure plug（13）With support
Inner tube（2）It is fixedly connected.
6. bloodstream blocking support is used in operation according to claim 5, it is characterised in that：The support inner tube（2）End
Inside it is provided with internal thread, closure plug（13）With support inner tube（2）End in internal thread threaded connection；Closure plug（13）End
Portion's interior thickness is more than closure and filled in（13）End edge thickness.
7. bloodstream blocking support is used in operation according to claim 1, it is characterised in that：The support outer tube（1）Tail end
It is provided with annular brace piece（14）, annular brace piece（14）Outer ring surface diameter be more than support outer tube（1）External diameter.
8. bloodstream blocking support is used in operation according to claim 1, it is characterised in that：The support inner tube（2）It is arranged at
Support outer tube（1）One end end outer surface on be provided with annular plug at end part it is raised（15）, plug at end part projection（15）
Outer ring surface and support outer tube（1）Inner surface contact.
9. bloodstream blocking support is used in operation according to claim 2, it is characterised in that：The outer tube stage casing（10）Middle part
Wall thickness is less than outer tube stage casing（10）Both ends wall thickness.
10. bloodstream blocking support is used in operation according to claim 1, it is characterised in that：The expansion support bar（8）For arc
The metallic support rod of shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711057640.6A CN107693081B (en) | 2017-11-01 | 2017-11-01 | Blood flow blocking support for operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711057640.6A CN107693081B (en) | 2017-11-01 | 2017-11-01 | Blood flow blocking support for operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107693081A true CN107693081A (en) | 2018-02-16 |
| CN107693081B CN107693081B (en) | 2020-05-15 |
Family
ID=61176486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711057640.6A Expired - Fee Related CN107693081B (en) | 2017-11-01 | 2017-11-01 | Blood flow blocking support for operation |
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| CN (1) | CN107693081B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114269421A (en) * | 2019-08-22 | 2022-04-01 | 爱德华兹生命科学公司 | Rotatable dilator and delivery system |
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| US5133734A (en) * | 1991-08-05 | 1992-07-28 | Wagi L.P. | Pneumatically operated femoral artery compressor |
| US6569145B1 (en) * | 1999-03-25 | 2003-05-27 | Transvascular, Inc. | Pressure-controlled continuous coronary sinus occlusion device and methods of use |
| CN103690218A (en) * | 2013-12-11 | 2014-04-02 | 中国人民解放军第二军医大学 | Suspension control hepatic blood flow blocking device under endoscope |
| CN105266925A (en) * | 2015-11-08 | 2016-01-27 | 成都育芽科技有限公司 | Intravascular blocking stent |
| CN105380693A (en) * | 2015-11-08 | 2016-03-09 | 成都育芽科技有限公司 | Blood occlusion device for hepatic operation |
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- 2017-11-01 CN CN201711057640.6A patent/CN107693081B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5133734A (en) * | 1991-08-05 | 1992-07-28 | Wagi L.P. | Pneumatically operated femoral artery compressor |
| US6569145B1 (en) * | 1999-03-25 | 2003-05-27 | Transvascular, Inc. | Pressure-controlled continuous coronary sinus occlusion device and methods of use |
| CN103690218A (en) * | 2013-12-11 | 2014-04-02 | 中国人民解放军第二军医大学 | Suspension control hepatic blood flow blocking device under endoscope |
| CN105266925A (en) * | 2015-11-08 | 2016-01-27 | 成都育芽科技有限公司 | Intravascular blocking stent |
| CN105380693A (en) * | 2015-11-08 | 2016-03-09 | 成都育芽科技有限公司 | Blood occlusion device for hepatic operation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114269421A (en) * | 2019-08-22 | 2022-04-01 | 爱德华兹生命科学公司 | Rotatable dilator and delivery system |
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| CN107693081B (en) | 2020-05-15 |
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