CN106178164A - There is direct motion aortic perfusion pipe, application and the using method of interior block function - Google Patents
There is direct motion aortic perfusion pipe, application and the using method of interior block function Download PDFInfo
- Publication number
- CN106178164A CN106178164A CN201610757862.8A CN201610757862A CN106178164A CN 106178164 A CN106178164 A CN 106178164A CN 201610757862 A CN201610757862 A CN 201610757862A CN 106178164 A CN106178164 A CN 106178164A
- Authority
- CN
- China
- Prior art keywords
- sacculus
- blocking
- pipe
- direct motion
- intrusion pipe
- 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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
- A61M1/3659—Cannulae pertaining to extracorporeal circulation
-
- 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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
- A61M1/3655—Arterio-venous shunts or fistulae
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Cardiology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a kind of direct motion aortic perfusion pipe, application and using method with interior block function, including: block sacculus, injection catheter and intrusion pipe；Wherein, described intrusion pipe, through described blocking-up sacculus, is sealedly and fixedly connected between described intrusion pipe and described blocking-up sacculus；It is sealedly and fixedly connected between described injection catheter and described blocking-up sacculus；One end of described injection catheter is connected with described blocking-up sacculus.On the one hand the present invention blocks the blood circulation in descending aorta by perfusion capsule in grandson's krimer operation for the treatment of Stanford A type dissection of aorta, it is thus achieved that clean visual area；On the other hand while blocking descending aorta, by perfusion catheter coalition outer circulation device, the lower part of the body is carried out hemoperfusion, so there is no need to drop to patient temperature too low, thus preferably protect viscera function and the coagulation function of patient.The present invention further simplify art formula, improves operation safety, improves general curative effect.
Description
Technical field
The present invention relates to medical treatment device, especially there is the direct motion aortic perfusion pipe of interior block function, apply and use
Method.
Background technology
Total aortic arch replacement operation+support trunk operation (grandson's krimer operation) is treatment Stanford A type dissection of aorta
A kind of classical art formula.This operation needs to be applied to hypothermia circulatory arrest technology during implementing, and inevitably produces one
Section lower part of the body blood stops the time (different according to patient's experience, about 15-30 minute) of flowing.During this period of time
In, the organ such as spinal cord, kidney, liver, gastrointestinal all may be damaged by hypoxic-ischemic, causes patient's postoperative recovery not
Profit.And in order to extend the safe time limit stopping circulation, doctor generally requires and dropped to by patient temperature lower, minimum to reach 18 Celsius
Degree, but the consequence of do so is that coagulation function is produced harmful effect, causes postoperative hemorrhage amount to increase, anthemorrhagic difficulty.
Owing to the art formula of application at present can not be carried out in the case of the lower part of the body has blood circulation, the therefore important device of the lower part of the body
The bleeding tendency that official's ischemia+low temperature causes be operation main bugbear, cause this operation can not to more basic unit unit promote with
Save the life of more patient.
Summary of the invention
For the shortcoming of prior art, the invention provides a kind of there is interior block function direct motion aortic perfusion pipe,
Application and using method.
The present invention adopts the technical scheme that the direct motion aortic perfusion pipe with interior block function, including: blocking-up sacculus,
Injection catheter and intrusion pipe；
Wherein, described intrusion pipe, through described blocking-up sacculus, seals fixing company between described intrusion pipe and described blocking-up sacculus
Connect；
It is sealedly and fixedly connected between described injection catheter and described blocking-up sacculus；
One end of described injection catheter is connected with described blocking-up sacculus, and the other end of described injection catheter is fixedly connected with self-styled
Valve closing.
In one embodiment of the invention, described blocking-up sacculus offering duct entry, conduit outlet, described intrusion pipe depends on
Secondary it is sealedly and fixedly connected through duct entry, conduit outlet with described blocking-up sacculus；Described injection catheter is away from described self-enclosed
One end of valve is bonded parallel with described intrusion pipe, and described injection catheter is stretched into described blocking-up sacculus by described duct entry
Internal.
In one embodiment of the invention, described intrusion pipe uses bend resistance and the medical macromolecular materials of softness.
In one embodiment of the invention, described intrusion pipe is internally provided with steel wire.Flexible steel silk screen makes intrusion pipe resist
Bending, after appropriateness bending, its surface of internal cavity does not haves fold, contributes to the circulation of blood.
In one embodiment of the invention, a diameter of 6-9mm of described intrusion pipe, described intrusion pipe is stretched out institute by conduit outlet
State a length of 0.5-3cm blocking sacculus.
In one embodiment of the invention, described intrusion pipe is fixedly installed union joint away from one end of described conduit outlet.
Union joint is connected with described intrusion pipe, and union joint connects the Ei arterial perfusion line to cardiopulmonary bypass unit, is used for forming body
Outer sanguimotor closed circuit.
The using method of a kind of direct motion aortic perfusion pipe with interior block function, comprises the following steps:
Step a: be placed in patient vessel by support, makes described support outer wall be connected to blood vessel wall；
Step b: the direct motion aortic perfusion pipe with interior block function is placed in support, by described injection catheter to institute
State injection blocking-up medium in blocking-up sacculus to be propped up by described blocking-up sacculus, block sacculus and gradually fit with described rack inner wall,
When blocking when the inner space obstruct of described support is not connected two parts by sacculus after propping up stops blocking medium
Inject；Described self-styled valve closing seals automatically, thus by described blocking-up medium-tight in described blocking-up sacculus.
Step c: be connected with cardiopulmonary bypass unit by circulator jointing, is carried out patient's lower part of the body by described intrusion pipe
Hemoperfusion；
Step d: start to treat the operation of Stanford A type dissection of aorta.
There is the application of the direct motion aortic perfusion pipe of interior block function, at treatment Stanford A type aorta clamp
During layer patient, coalition outer circulation device carries out hemoperfusion to patient's lower part of the body, it is thus achieved that clean surgical field of view.
The method have the advantages that
The present invention injects obstruct medium by injection catheter in blocking, and intercepts medium and will have resilient blocking-up capsule in support
Portion props up appropriate position, until blocking the inwall of the wall of sacculus and support in " interference fit " shape, be closely fitted in without unoccupied place
Together, the now space of internal stent, that is to say that the inside of described blood vessel is blocked is two not connected spaces；Stop resistance
After the injection of medium, the blood circulation in descending aorta is just blocked by the sacculus that blocks heaved.So, on the one hand by blocking
The blood circulation of (lower part of the body) in balloon occlusion descending aorta, it is thus achieved that clean visual area；On the other hand, descending aorta is being blocked
Meanwhile, by perfusion tube coalition outer circulation device, patient's lower part of the body is carried out hemoperfusion, so there is no need to patient
Body temperature drops to too low, thus preferably protects viscera function and the coagulation function of patient.
Compared with prior art, by using the present invention in grandson's krimer operation for the treatment of Stanford A type dissection of aorta
The involved direct motion aortic perfusion pipe with interior block function, can be prevented effectively from and be made patient because of what hypothermia circulatory arrest brought
The organs such as spinal cord, kidney, liver, gastrointestinal are damaged by hypoxic-ischemic, and to harmful effect produced by coagulation function, lead
Cause postoperative hemorrhage amount to increase, anthemorrhagic difficulty.The present invention can be greatly improved operation safety, improves the general curative effect of operation.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention；
Fig. 2 is the enlarged drawing at duct entry of the present invention；
Fig. 3 be the present invention perform the operation use time structural representation；
1, sacculus is blocked；2, injection catheter；3, intrusion pipe；11, duct entry；22, conduit outlet；4, self-styled valve closing；5, steel wire
Net；7, union joint；100, support；200, blood vessel；61, first chamber is intercepted；62, second chamber is intercepted.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing (1 to 3), the invention will be further described.
The direct motion aortic perfusion pipe with interior block function involved in the present invention, including: block sacculus 1, fluid injection is led
Pipe 2 and intrusion pipe 3；Described intrusion pipe 3 uses the medical macromolecular materials of bend resistance and softness, when intrusion pipe 3 appropriateness bending
Fold is not had, in order to effectively ensure blood circulation inside it.As required, in other embodiments, described intrusion pipe 3
The internal steel wire 5 that can be provided with, to strengthen ability to bear and the effective utilization of intrusion pipe 3, makes intrusion pipe 3 bend resistance.
Offering duct entry 11, conduit outlet 22 on described blocking-up sacculus 1, described intrusion pipe 3 sequentially passes through conduit and enters
Mouth 11, conduit outlet 22 are sealedly and fixedly connected with described blocking-up sacculus 1.An injection catheter is also drawn on described blocking-up sacculus 1
2, one end of described injection catheter 2 is connected with described blocking-up sacculus 1, and the other end of described injection catheter 2 is fixedly connected with certainly
Closing valve 4, self-styled valve closing 4 is used for the self-closed inlet when stopping injecting blocking-up medium in blocking-up sacculus 1, so that
The blocking-up medium injected does not flows backwards from blocking-up sacculus 1.Intrusion pipe 3 is fixedly installed circulation away from one end of described conduit outlet 11
Machine jointing 7, for being connected with extracorporeal circulation equipment.
In the present embodiment, described injection catheter 2 from the one end away from described self-styled valve closing 4 with described intrusion pipe 3 part
Firmly adhesion, injection catheter 2 is internal via stretching into described blocking-up sacculus 1 at described duct entry 11, described injection catheter 2 and institute
State and be sealedly and fixedly connected between blocking-up sacculus 1.Stretch out blocking-up injection catheter 2 outside sacculus 1 and stretch out the outside filling of blocking-up sacculus 1
Note pipe parallel connection bond together so that overall structure is compacter, be easy to use.During use by this injection catheter 2 to
Block perfusion in sacculus 1 and block medium.Blocking medium described in the present embodiment is normal saline, will have bullet by intercepting medium
The blocking-up sacculus 1 of property deformation nature is propped up.
A diameter of 6-9mm of intrusion pipe 3 described in the present embodiment, preferably 8mm, described intrusion pipe 3 is via conduit outlet 22
Lean out a length of 0.5-3cm of described blocking-up sacculus 1.Leaning out the preferred 1cm of length, on the one hand the selection of length to realize effectively to
The blood of far-end carries out extracorporeal circulation by intrusion pipe 3, on the other hand to avoid the intrusion pipe 3 leaning out part to touch adjacent
Blood vessel wall, causes blood vessel wall damaged, adds the complexity of operation.The internal diameter of propping up of support 100 used is 26-32cm, is made
Block sacculus 1 be propped up after internal diameter be 30-36cm.In the present embodiment, the internal diameter of propping up of described support 100 is 28cm,
The most correspondingly in order to reach the purpose of " blocking-up inner chamber ", it is 32cm that selected blocking-up sacculus 1 is required to be its internal diameter after being propped up, and enters
And make to block a kind of " interference fit " state that reaches between sacculus 1 and support 100, block sacculus 1 closely interior with support 100
Fit in chamber.In other embodiments, can select according to actual needs to block sacculus 1 and the size of support 100 accordingly, make both
Match.Therefore the shape of described blocking-up sacculus 1 when can be to prop up for " oval column " shape, its surrounding sidewall need to be tight with support 100
Being close to attached, the effect by static friction makes blocking-up sacculus 1 be securely positioned on support 100.In other embodiments, can be according to difference
Patient profiles selects various sizes of blocking-up sacculus 1 and support 100, matches with the aortic blood bore with patient self.
Blocking sacculus 1 and blood vessel 200 internal resistance is divided into first the 61, second obstruct chamber 62, obstruct chamber, described first intercepts chamber 61
Not connected with described second obstruct chamber 62, the most described second blood intercepting intracavity 62 can not because the stop of blocking-up sacculus 1
Flow to described first intercept in chamber 61, and first intercepts visual area part when chamber 61 is to perform the operation, it is thus possible to obtain clean visual area,
Improve success rate of operation.Meanwhile, coalition outer circulation device can carry out hemoperfusion to patient's lower part of the body, so there is no need to
Patient temperature is dropped to too low, thus be effectively protected viscera function and the coagulation function of patient, it is to avoid patient's is relevant
The infringement that organ causes because of long-time hypoxic-ischemic, greatly reduces and has the postoperative complication caused because of coagulation disorders.
The using method of a kind of direct motion aortic perfusion pipe with interior block function, comprises the following steps:
Step a: be placed in patient vessel 200 by support 100, makes described support 100 outer wall be connected to blood vessel wall；
Step b: the direct motion aortic perfusion pipe with interior block function is placed in support 100, by described injection catheter 2
In described blocking-up sacculus 1 inject block medium described blocking-up sacculus 1 is propped up, block sacculus 1 gradually with in described support 100
Wall fits, when blocking when the inner space obstruct of described support 100 is not connected two parts by sacculus 1 after propping up is stopped
Only block the injection of medium；Now, described self-styled valve closing 4 seals automatically, thus by described blocking-up medium-tight described
Block in sacculus 1, block the blood circulation in aorta vessel 200.
Step c: union joint 7 is connected with the jointing (not shown) of cardiopulmonary bypass unit arterial perfusion line, by institute
State intrusion pipe 3 and patient's lower part of the body is carried out hemoperfusion；
Step d: start to treat the operation of Stanford A type dissection of aorta.
There is the application of the direct motion aortic perfusion pipe of interior block function, be mainly used in treating Stanford A type aorta
In grandson's krimer operation of interlayer patient, block descending aorta, it is thus achieved that clean surgical field of view；By coalition outer circulation device to trouble
Person's lower part of the body carries out hemoperfusion.The present invention is by carrying out particular design on aortic perfusion tubular construction, by it creatively
Apply in total aortic arch replacement operation+support trunk operation (grandson's krimer operation), so can circulating temperature reach in vitro
Maintaining the selectivity antegrade perfusion to brain when about 28 DEG C, the ofest short duration stopping is circulated, and opens aortic arch, in descending aorta
Implantation medium-height trestle 100.Then the direct motion aortic perfusion pipe with interior block function involved in the present invention is put into support
In 100, injecting water and make balloon expandable, now blood adverse current can not disturb surgical field of view to the first obstruct chamber 61, then follows external
The arterial end of ring is connected to block on the circulator jointing 7 of the intrusion pipe 3 of sacculus 1, starts to block blocking-up sacculus 1 far-end
Blood vessel carry out hemoperfusion.Thus avoid doctor and patient temperature is dropped to lower for extending the safe time limit stopping circulation
(18-20 DEG C can be down to) brought harmful effect.
Above-mentioned specific embodiment is used only to illustrate the present invention, rather than is to limit the invention, in the present invention
Objective and scope of the claims in, any replacement not paying creative work that the present invention is made and change,
Fall within the protection domain of patent of the present invention.
Claims (8)
1. a direct motion aortic perfusion pipe with interior block function, it is characterised in that including:
Block sacculus, injection catheter and intrusion pipe；
Wherein, described intrusion pipe, through described blocking-up sacculus, seals fixing company between described intrusion pipe and described blocking-up sacculus
Connect；
It is sealedly and fixedly connected between described injection catheter and described blocking-up sacculus；
One end of described injection catheter is connected with described blocking-up sacculus, and the other end of described injection catheter is fixedly connected with self-styled
Valve closing.
There is the direct motion aortic perfusion pipe of interior block function the most as claimed in claim 1, it is characterised in that: described blocking-up ball
Offering duct entry, conduit outlet on capsule, described intrusion pipe sequentially passes through duct entry, conduit outlet and described blocking-up sacculus
It is sealedly and fixedly connected；Described injection catheter is fixedly linked with described intrusion pipe away from one end of described self-styled valve closing, described fluid injection
Conduit is stretched into described blocking-up balloon interior by described duct entry.
There is the direct motion aortic perfusion pipe of interior block function the most as claimed in claim 1, it is characterised in that described intrusion pipe
Use bend resistance and the medical macromolecular materials of softness.
There is the direct motion aortic perfusion pipe of interior block function the most as claimed in claim 3, it is characterised in that described intrusion pipe
It is internally provided with steel wire.
5. the direct motion aortic perfusion pipe with interior block function as described in Claims 1-4 is arbitrary, it is characterised in that institute
Stating a diameter of 6-9mm of intrusion pipe, described intrusion pipe is stretched out a length of 0.5-3cm of described blocking-up sacculus by conduit outlet.
6. the direct motion aortic perfusion pipe with interior block function as described in Claims 1-4 is arbitrary, it is characterised in that institute
State intrusion pipe and be fixedly installed union joint away from one end of described conduit outlet.
7. the using method using the above-mentioned direct motion aortic perfusion pipe with interior block function, it is characterised in that include
Following steps:
Step a: be placed in patient vessel by support, makes described support outer wall be connected to blood vessel wall；
Step b: the direct motion aortic perfusion pipe with interior block function is placed in support, by described injection catheter to institute
State injection blocking-up medium in blocking-up sacculus to be propped up by described blocking-up sacculus, block sacculus and gradually fit with described rack inner wall,
When blocking when the inner space obstruct of described support is not connected two parts by sacculus after propping up stops blocking medium
Inject；
Step c: be connected with cardiopulmonary bypass unit by circulator jointing, carries out blood by described intrusion pipe to patient's lower part of the body
Perfusion；
Step d: start to treat the operation of Stanford A type dissection of aorta.
8. an application for the direct motion aortic perfusion pipe with interior block function as described in claim 1-6 is arbitrary, is used for
In grandson's krimer operation for the treatment of Stanford A type dissection of aorta, block descending aorta, it is thus achieved that clean surgical field of view；By knot
Fit outer circulation device carries out hemoperfusion to patient's lower part of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610757862.8A CN106178164A (en) | 2016-08-30 | 2016-08-30 | There is direct motion aortic perfusion pipe, application and the using method of interior block function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610757862.8A CN106178164A (en) | 2016-08-30 | 2016-08-30 | There is direct motion aortic perfusion pipe, application and the using method of interior block function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106178164A true CN106178164A (en) | 2016-12-07 |
Family
ID=58088687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610757862.8A Pending CN106178164A (en) | 2016-08-30 | 2016-08-30 | There is direct motion aortic perfusion pipe, application and the using method of interior block function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106178164A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107595348A (en) * | 2017-10-19 | 2018-01-19 | 孙晓刚 | Total aortic arch replacement and support elephant trunk technique aorta clamping device |
| CN108836420A (en) * | 2018-07-26 | 2018-11-20 | 李强 | A kind of pringle maneuver device |
| CN109745145A (en) * | 2019-01-29 | 2019-05-14 | 王赞鑫 | Initiative pulse support blood vessel system and application method of the top with sacculus |
| CN110638557A (en) * | 2019-11-10 | 2020-01-03 | 中国医学科学院阜外医院 | Four-branch artificial blood vessel assembly |
| CN115253036A (en) * | 2022-08-11 | 2022-11-01 | 中国人民解放军陆军军医大学第二附属医院 | Aorta blocking perfusion tube |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5599329A (en) * | 1992-12-17 | 1997-02-04 | Gabbay; Shlomo | Multi purpose perfusion cannula |
| CN102271747A (en) * | 2008-11-03 | 2011-12-07 | 亚特兰大导管治疗公司 | Occlusion perfusion catheter |
| CN102302820A (en) * | 2011-09-13 | 2012-01-04 | 中国人民解放军第四军医大学 | Aorta intracavity infusion tube |
| CN202619762U (en) * | 2012-06-30 | 2012-12-26 | 王峰 | Vascular closure device |
| CN206334153U (en) * | 2016-08-30 | 2017-07-18 | 崔勇 | Direct motion aortic perfusion pipe with interior block function |
-
2016
- 2016-08-30 CN CN201610757862.8A patent/CN106178164A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5599329A (en) * | 1992-12-17 | 1997-02-04 | Gabbay; Shlomo | Multi purpose perfusion cannula |
| CN102271747A (en) * | 2008-11-03 | 2011-12-07 | 亚特兰大导管治疗公司 | Occlusion perfusion catheter |
| CN102302820A (en) * | 2011-09-13 | 2012-01-04 | 中国人民解放军第四军医大学 | Aorta intracavity infusion tube |
| CN202619762U (en) * | 2012-06-30 | 2012-12-26 | 王峰 | Vascular closure device |
| CN206334153U (en) * | 2016-08-30 | 2017-07-18 | 崔勇 | Direct motion aortic perfusion pipe with interior block function |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107595348A (en) * | 2017-10-19 | 2018-01-19 | 孙晓刚 | Total aortic arch replacement and support elephant trunk technique aorta clamping device |
| CN108836420A (en) * | 2018-07-26 | 2018-11-20 | 李强 | A kind of pringle maneuver device |
| CN109745145A (en) * | 2019-01-29 | 2019-05-14 | 王赞鑫 | Initiative pulse support blood vessel system and application method of the top with sacculus |
| CN110638557A (en) * | 2019-11-10 | 2020-01-03 | 中国医学科学院阜外医院 | Four-branch artificial blood vessel assembly |
| CN115253036A (en) * | 2022-08-11 | 2022-11-01 | 中国人民解放军陆军军医大学第二附属医院 | Aorta blocking perfusion tube |
| CN115253036B (en) * | 2022-08-11 | 2023-03-28 | 中国人民解放军陆军军医大学第二附属医院 | Aorta blocking perfusion tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106178164A (en) | There is direct motion aortic perfusion pipe, application and the using method of interior block function | |
| US5033998A (en) | Retrograde delivery of pharmacologic and diagnostic agents via venous circulation | |
| US4689041A (en) | Retrograde delivery of pharmacologic and diagnostic agents via venous circulation | |
| CN105007973B (en) | Infusion catheter with seal wire valve tune | |
| US6592567B1 (en) | Kidney perfusion catheter | |
| ES2330162T3 (en) | DEVICE FOR THE ADMINISTRATION OF MEDICAL TREATMENT. | |
| JP2010131453A5 (en) | ||
| CN102256659A (en) | Medical device, method and system for temporary occlusion of an opening in a lumen of a body | |
| CN105979996A (en) | Devices and methods for imaging and treating blood vessels | |
| JPWO2004045702A1 (en) | Balloon catheter and infusion therapy device | |
| NZ594094A (en) | Autoretroperfusion devices, systems, and methods for achieving venous arterialization | |
| CN208573789U (en) | Total aortic arch replacement and bracket elephant trunk technique aorta clamping device | |
| US20090221949A1 (en) | Device and method for circulatory isolation and treatment of a part of a body | |
| CN107595348A (en) | Total aortic arch replacement and support elephant trunk technique aorta clamping device | |
| US10265460B2 (en) | Systems and methods for providing zones of selective thermal therapy | |
| JP2018509249A (en) | Catheter with balloon at the tip for continuous nerve block | |
| CN206334153U (en) | Direct motion aortic perfusion pipe with interior block function | |
| CN206715027U (en) | A kind of Multifunctional bladder water balloon dilator catheter | |
| CN209187719U (en) | A kind of temperature control bladder irrigation device | |
| JP6746704B2 (en) | System for flow stagnation control | |
| CN208660112U (en) | A kind of stomach tube for department of gastroenterology | |
| CN209236954U (en) | Self-falling-off type Endobiliary drainage device | |
| CN207693624U (en) | A kind of lower common bile duct occluding device | |
| JP6750925B2 (en) | System for quantifying conductance in blood vessels | |
| CN108815698A (en) | Continuous positive pressure connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |