CN104324430A - Blood flow adjustor for hematodialysis - Google Patents
Blood flow adjustor for hematodialysis Download PDFInfo
- Publication number
- CN104324430A CN104324430A CN201410671779.XA CN201410671779A CN104324430A CN 104324430 A CN104324430 A CN 104324430A CN 201410671779 A CN201410671779 A CN 201410671779A CN 104324430 A CN104324430 A CN 104324430A
- Authority
- CN
- China
- Prior art keywords
- basal wall
- blood flow
- expansion chamber
- flow actuator
- swelling bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/0021—Special media to be introduced, removed or treated removed from and reintroduced into the body, e.g. after treatment
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0413—Blood
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3337—Controlling, regulating pressure or flow by means of a valve by-passing a pump
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/005—Anatomical parts of the body used as an access side to the body
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Anesthesiology (AREA)
- Urology & Nephrology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Emergency Medicine (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention relates to a blood flow adjustor for hematodialysis. The blood flow adjustor comprises a basal wall and an expansion capsule covering one side of the basal wall; the expansion capsule and the basal wall are provided with an expansion chamber; the expansion chamber is connected with a self-sealing device through a catheter; the blood flow adjustor is arranged on the vein side of internal arteriovenous fistula in advance, gas or liquid is injected into the expansion chamber through the catheter, the catheter is sealed by the self-sealing device, the catheter is implanted under the skin, the expansion capsule expands to restrain blood flow of venous return, the required return quantity is controlled, the overload of the heart is avoided, and heart failure of a hematodialysis patient is effectively reduced.
Description
Technical field
The present invention relates to a kind of hemodialysis device, specifically a kind of hemodialysis blood flow actuator.
Technical background
Now in hemodialysis, usually internal arteriovenous fistula can be made, because the high pressure blood of tremulous pulse directly flows in vein by internal fistula, because endarterial blood stream pressure is greater than venous pressure, self can expand for being in harmonious proportion this pressure differential vein, so just causing vicious cycle; A large amount of blood backflow, to heart, considerably increases the burden of heart, and blood excessive is for a long time back to heart by internal fistula and causes heart failure, crisis patient vitals.
At the initial stage of doing internal fistula, setting by the blood flow of internal fistula is 500ml/min; By completing, vein starts to become large, and internal fistula flow increases gradually, even may reach 1500ml/min; Serious increases the weight of heart burden, and very easily cause acute heart failure, often will perform the operation corrects.
Summary of the invention
Technical problem underlying to be solved by this invention is a kind of hemodialysis blood flow actuator restricting arterial blood capacity of returns of design.
For solving the problem, this practicality newly adopts following technical scheme:
The present invention includes: the swelling bag of basal wall and the basal wall side that is laid in, forms expansion chamber between described swelling bag and basal wall, and described expansion chamber is connected with self-packer by conduit.
Furtherly, described conduit to be arranged on basal wall and through basal wall is communicated with expansion chamber.
Furtherly, described basal wall, swelling bag and conduit are one-body molded.
Furtherly, the material of described basal wall, swelling bag and conduit is silica gel.
Furtherly, described in a kind of scheme, basal wall is tubular, and described swelling bag is concentric tubular with basal wall, and described swelling bag two ends are connected with basal wall inwall.
Furtherly, basal wall described in another kind of scheme is plate shape, and described swelling bag edge is connected with basal wall, and described basal wall opposite ends is provided with bindiny mechanism.
Furtherly, described bindiny mechanism comprises the dead bolt being fixedly installed on basal wall one end and the snap close being fixedly installed on the basal wall other end.
Furtherly, described self-packer is transfusion port or microinfusion pump.
Furtherly, described basal wall diameter 5-7mm, long 20-30mm.
The good effect that the present invention obtains is the venous side blood flow actuator of the application being pre-installed in internal arteriovenous fistula, to be annotated in expansion chamber gas or liquid by conduit, self-packer is by catheter lock, heeling-in under the skin, swelling bag expands and can retrain the blood flow of venous return, control needs capacity of returns, avoids heart to transship, and effectively reduces the generation of hemodialysis patients heart failure.
Conduit is communicated with expansion chamber through basal wall, and swelling bag is adjacent to vein blood vessel outer wall, and such conduit can not be close to blood vessel, and basal wall is thicker can stable and tubes connection.
The one-body molded connectivity of basal wall, swelling bag and conduit is good, good integrity, there will not be and connects unstable problem.
Basal wall, swelling bag and conduit are that silica gel is made, close to human body hardness made of soft; Strong mechanical property is not easily aging, can life-time service.
The blood flow actuator of tubulose can directly be sleeved on outside vein blood vessel, good integrity, and blood flow controlling is stablized, difficult drop-off.
Plate shaped blood flow actuator can curlingly be wrapped in outside vein blood vessel, need not block the effect that blood vessel just can play restriction blood flow, reduce surgical disruption degree when installing.
Plate shaped blood flow actuator two ends arrange the snap close matched, and so just can be wrapped on vein blood vessel by the actuator of plate shape, convenient fixing is reliable.
Self-packer be transfusion port or microinfusion pump can heeling-in under the skin, the gas that transfusion port can annotate easily and detach in expansion chamber or liquid, use more convenient; Microinfusion pump directly remote control can adjust the liquid reserves in expansion chamber, hommization more, more convenient.
Accompanying drawing explanation
Accompanying drawing 1 is the embodiment of the present invention 1 structural representation;
Accompanying drawing 2 is the embodiment of the present invention 1 side structure schematic diagrams;
Accompanying drawing 3 is the embodiment of the present invention 1 cross section structure schematic diagrams;
Accompanying drawing 4 is the embodiment of the present invention 1 vertical section structure schematic diagrams;
Accompanying drawing 5 is the embodiment of the present invention 2 using state structural representations;
Accompanying drawing 6 is the embodiment of the present invention 2 deployed condition structural representations;
Accompanying drawing 7 is the embodiment of the present invention 2 using state cross-sectional view;
In the accompanying drawings: 1 basal wall, 2 swelling bags, 3 expansion chambers, 4 conduits, 5 self-packers, 6 dead bolts, 7 snap closes.
Detailed description of the invention
Embodiment one
As shown in accompanying drawing 1 to 4, the present invention includes: the swelling bag 2 of basal wall 1 and basal wall 1 side that is laid in, described swelling bag 2 forms expansion chamber 3 with basal wall 1, and described expansion chamber 3 is connected with self-packer 5 by conduit 4.Blood flow actuator is pre-installed in the venous side of internal arteriovenous fistula, and to be annotated in expansion chamber 3 gas or liquid by conduit 4, conduit 4 is closed by self-packer 5, heeling-in under the skin, swelling bag 2 expands and can retrain the blood flow of venous return, controls to need capacity of returns, avoids heart to transship.
Conduit 4 is arranged on basal wall 1 and through basal wall 1 is communicated with expansion chamber 3.Conduit 4 is communicated with expansion chamber 3 through basal wall 1, and swelling bag 2 is adjacent to vein blood vessel outer wall, and such conduit can not be close to blood vessel, and basal wall 1 is thicker can stable and tubes connection.
Basal wall 1, swelling bag 2 and the one-body molded connectivity of conduit 4 are good, good integrity, there will not be and connect unstable problem.The material silica gel of basal wall 1, swelling bag 2 and conduit 4 is made, close to human body hardness made of soft; Strong mechanical property is not easily aging, can life-time service.
Basal wall 1 is tubular, and described swelling bag 2 is concentric tubular with basal wall 1, and described swelling bag 2 two ends are connected with basal wall 1 inwall.Now, basal wall 1, swelling bag 2, expansion chamber 3 are all tubuloses, and the blood flow actuator of tubulose can directly be sleeved on outside vein blood vessel, good integrity, and blood flow controlling is stablized, difficult drop-off.
Self-packer 5 be transfusion port or microinfusion pump can heeling-in under the skin, the gas that transfusion port can annotate easily and detach in expansion chamber or liquid, use more convenient; Microinfusion pump directly remote control can adjust the liquid reserves in expansion chamber, hommization more, more convenient.
Basal wall 1 diameter 5-7mm, long 20-30mm when blood flow actuator is tubulose.
During use, when making internal arteriovenous fistula, this blood flow regulation device is directly sleeved on internal fistula vein side, after operation healing, the volume adjusting liquid or gas in expansion chamber 3 by self-packer 5 under color ultrasound monitors changes the sectional area of swelling bag 2 internal diameter, thus the diameter of constraint vein blood vessel, thus control the blood back amount of venous return, when blood back amount is low time, reduce the volume of expansion chamber 3, the volume of expansion chamber 3 when blood flow is larger, can be increased, general filled normal saline in expansion chamber 3.
Self-packer 5 is exactly " valve ", regulates the volume of expansion chamber 3, thus controls the blood flow of vein; This blood flow regulation device can control the shunt volume of arterial blood.
Blood flow can be turned down at the tempus intercalare of hemodialysis if desired, lower than the blood flow needed during hemodialysis, during dialysis, again blood flow is transferred to the flow of needs; The burden of patient's heart can be reduced, farthest reduce the burden of hemodialysis patients heart.
Embodiment two
As shown in accompanying drawing 5 to 7, be plate shape with embodiment one difference with basal wall 1, basal wall 1 is plate shape, and described swelling bag 2 edge is connected with basal wall 1, and described basal wall 1 opposite ends is provided with bindiny mechanism; Bindiny mechanism comprises the dead bolt 6 being fixedly installed on basal wall 1 one end and the snap close 7 being fixedly installed on basal wall 1 other end.Plate shaped blood flow actuator can curlingly be wrapped in outside vein blood vessel, need not block the effect that blood vessel just can play restriction blood flow, reduce surgical disruption degree when installing.Plate shaped blood flow actuator two ends arrange the snap close matched, and so just can be wrapped on vein blood vessel by the actuator of plate shape, convenient fixing is reliable.
Self-packer 5 be transfusion port or microinfusion pump can heeling-in under the skin, the gas that transfusion port can annotate easily and detach in expansion chamber or liquid, use more convenient; Microinfusion pump directly remote control can adjust the liquid reserves in expansion chamber, hommization more, more convenient.
When blood flow actuator is tabular, tubulose during curling use adjusts the overall dimensions of machine to be also diameter 5-7mm, long 20-30mm.
During use, doing internal arteriovenous fistula hemodialysis patients, directly the basal wall 1 of plate shape is being wrapping to internal fistula vein side, with snap close, basal wall 1 two ends are being fixed.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of embodiment of the present invention technical scheme.
Claims (10)
1. a hemodialysis blood flow actuator, it is characterized in that: the swelling bag (2) comprising basal wall (1) and the basal wall that is laid in (1) side, form expansion chamber (3) between described swelling bag (2) and basal wall (1), described expansion chamber (3) is connected with self-packer (5) by conduit (4).
2. a kind of hemodialysis blood flow actuator according to claim 1, is characterized in that: described conduit (4) is arranged on the upper and through basal wall (1) of basal wall (1) and is communicated with expansion chamber (3).
3. a kind of hemodialysis blood flow actuator according to claim 1 and 2, is characterized in that: described basal wall (1), swelling bag (2) and conduit (4) are one-body molded.
4. a kind of hemodialysis blood flow actuator according to claim 3, is characterized in that: the material of described basal wall (1), swelling bag (2) and conduit (4) is silica gel.
5. a kind of hemodialysis blood flow actuator according to claim 4, is characterized in that: described basal wall (1) is tubular, and described swelling bag (2) is concentric tubular with basal wall (1), and described swelling bag (2) two ends are connected with basal wall (1) inwall.
6. a kind of hemodialysis blood flow actuator according to claim 4, it is characterized in that: described basal wall (1) is plate shape, described swelling bag (2) edge is connected with basal wall (1), and described basal wall (1) opposite ends is provided with bindiny mechanism.
7. a kind of hemodialysis blood flow actuator according to claim 6, is characterized in that: described bindiny mechanism comprises the dead bolt (6) being fixedly installed on basal wall (1) one end and the snap close (7) being fixedly installed on basal wall (1) other end.
8. a kind of hemodialysis blood flow actuator according to claim 6, is characterized in that: described self-packer (5) is transfusion port or microinfusion pump.
9. a kind of hemodialysis blood flow actuator according to claim 7, is characterized in that: described self-packer (5) is transfusion port or microinfusion pump.
10. a kind of hemodialysis blood flow actuator according to claim 4, is characterized in that: described basal wall (1) diameter 5-7mm, long 20-30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410671779.XA CN104324430A (en) | 2014-11-21 | 2014-11-21 | Blood flow adjustor for hematodialysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410671779.XA CN104324430A (en) | 2014-11-21 | 2014-11-21 | Blood flow adjustor for hematodialysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104324430A true CN104324430A (en) | 2015-02-04 |
Family
ID=52399313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410671779.XA Pending CN104324430A (en) | 2014-11-21 | 2014-11-21 | Blood flow adjustor for hematodialysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104324430A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106377341A (en) * | 2016-09-29 | 2017-02-08 | 复旦大学附属中山医院 | Blood flow divider |
| CN108366852A (en) * | 2015-12-21 | 2018-08-03 | 巴拉技术有限公司 | Flow control valve door |
| WO2019106937A1 (en) * | 2017-11-30 | 2019-06-06 | 株式会社Ｓｃｒｅｅｎホールディングス | Blood flow adjusting apparatus and blood flow adjusting method |
| CN110313965A (en) * | 2018-03-30 | 2019-10-11 | 首都医科大学附属北京世纪坛医院 | Adjustable vascular clamp closes device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4773419A (en) * | 1985-09-12 | 1988-09-27 | Scanlan International, Inc. | Method and apparatus for limiting blood flow to a distal portion of an extremity |
| US4958630A (en) * | 1989-10-06 | 1990-09-25 | Advanced Surgical Intervention, Inc. | Method and apparatus for treating impotence |
| DE19508129C2 (en) * | 1995-03-08 | 1997-02-13 | Jan Dr Med Menke | Blood flow adjustment device for optional external constriction and expansion of the blood flow cross section of a blood vessel |
| CN103479411A (en) * | 2013-10-14 | 2014-01-01 | 中国人民解放军第三军医大学第三附属医院 | Blood volume controllable vessel occlusion device |
| CN103690219A (en) * | 2014-01-03 | 2014-04-02 | 刘威 | Air bag type blocking clamp |
| CN204261112U (en) * | 2014-11-21 | 2015-04-15 | 宋会中 | A kind of hemodialysis blood flow actuator |
-
2014
- 2014-11-21 CN CN201410671779.XA patent/CN104324430A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4773419A (en) * | 1985-09-12 | 1988-09-27 | Scanlan International, Inc. | Method and apparatus for limiting blood flow to a distal portion of an extremity |
| US4958630A (en) * | 1989-10-06 | 1990-09-25 | Advanced Surgical Intervention, Inc. | Method and apparatus for treating impotence |
| DE19508129C2 (en) * | 1995-03-08 | 1997-02-13 | Jan Dr Med Menke | Blood flow adjustment device for optional external constriction and expansion of the blood flow cross section of a blood vessel |
| CN103479411A (en) * | 2013-10-14 | 2014-01-01 | 中国人民解放军第三军医大学第三附属医院 | Blood volume controllable vessel occlusion device |
| CN103690219A (en) * | 2014-01-03 | 2014-04-02 | 刘威 | Air bag type blocking clamp |
| CN204261112U (en) * | 2014-11-21 | 2015-04-15 | 宋会中 | A kind of hemodialysis blood flow actuator |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366852A (en) * | 2015-12-21 | 2018-08-03 | 巴拉技术有限公司 | Flow control valve door |
| CN106377341A (en) * | 2016-09-29 | 2017-02-08 | 复旦大学附属中山医院 | Blood flow divider |
| CN106377341B (en) * | 2016-09-29 | 2018-02-16 | 复旦大学附属中山医院 | A kind of blood flow current divider |
| WO2019106937A1 (en) * | 2017-11-30 | 2019-06-06 | 株式会社Ｓｃｒｅｅｎホールディングス | Blood flow adjusting apparatus and blood flow adjusting method |
| CN110313965A (en) * | 2018-03-30 | 2019-10-11 | 首都医科大学附属北京世纪坛医院 | Adjustable vascular clamp closes device |
| CN110313965B (en) * | 2018-03-30 | 2024-07-16 | 首都医科大学附属北京世纪坛医院 | Adjustable vascular clamping device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20150204 |