CN106512181A - Balloon catheter provided with side holes - Google Patents
Balloon catheter provided with side holes Download PDFInfo
- Publication number
- CN106512181A CN106512181A CN201610976307.4A CN201610976307A CN106512181A CN 106512181 A CN106512181 A CN 106512181A CN 201610976307 A CN201610976307 A CN 201610976307A CN 106512181 A CN106512181 A CN 106512181A
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- China
- Prior art keywords
- tube
- inner tube
- balloon
- foley
- side opening
- Prior art date
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- 239000008280 blood Substances 0.000 claims abstract description 20
- 210000004369 blood Anatomy 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004093 laser heating Methods 0.000 claims description 3
- 206010059245 Angiopathy Diseases 0.000 claims description 2
- 238000002651 drug therapy Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000017531 blood circulation Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 230000010339 dilation Effects 0.000 abstract 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 13
- 239000000741 silica gel Substances 0.000 description 13
- 229910002027 silica gel Inorganic materials 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 230000035515 penetration Effects 0.000 description 9
- 230000036772 blood pressure Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 206010020772 Hypertension Diseases 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035488 systolic blood pressure Effects 0.000 description 2
- 238000002399 angioplasty Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007887 coronary angioplasty Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 230000035487 diastolic blood pressure Effects 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002107 myocardial effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000013146 percutaneous coronary intervention Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000000250 revascularization Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 231100000216 vascular lesion Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0009—Making of catheters or other medical or surgical tubes
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
- A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
-
- 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
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
-
- 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
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Vascular Medicine (AREA)
- Child & Adolescent Psychology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention relates to a balloon catheter provided with side holes. The balloon catheter comprises a balloon, a catheter body and a guide wire, wherein in the catheter body, an inner tube passes through from the interior of an outer tube, and two ends of the inner tube are provided with openings, so that a guide wire cavity is formed; an annular gap formed between the inner tube and the outer tube is a pressurizing cavity; furthermore, on the section, close to the proximal end of the balloon, of the catheter, the pressurizing cavity of the section is divided into a closing portion and a communicating portion in a peripheral direction; by virtue of the closing portion, the outer tube of the portion is firmly connected to the inner tube, and through holes are formed in the closing portion; by virtue of the through holes, blood can circulate by virtue of the inner tube when the balloon gets dilated; and by virtue of the communicating portion, the balloon communicates with an external pressurizing system through the catheter body. The balloon catheter provided by the invention is just on the basis of slight improvement of existing balloon catheters on the market and the structures of the existing balloon catheters are not changed, and the problem of increasing the outer diameter of the catheter is avoided; the tracing property, passing property and passing ability of the finished product (the balloon catheter) are guaranteed; blood circulation is guaranteed while balloon dilation is achieved; and a dilation duration is prolonged and a treatment effect is enhanced.
Description
Technical field
The invention belongs to interventional medical device technical field, more particularly to a kind of foley's tube with side opening.
Background technology
Foley's tube is a kind of angioplasty instrument, has been widely used in the interventional therapy of Ink vessel transfusing disease.Sacculus
Use process of the conduit in operation be：Under the guiding of medical imaging device, various assistive devices are inserted by percutaneous puncture,
Such as seal wire and guiding catheter etc., then foley's tube is pushed along " track " that seal wire sets forward, until arriving target vessel.Pass through
Balloon expandable is further expanded intravascular space, reaches the purpose of myocardial revascularization by pressure apparatus and inflating medium.
The balloon portion of foley's tube is usually cylinder, and the balloon portion needs expansion of blood vessels inner chamber in operation, expands
Zhang Houhui causes the blood of this position circulate, and can body be caused to damage more than 30 seconds；And expand time too short nothing
Method reaches good expansion of blood vessels effect.In order to extend the balloon expandable time as far as possible, reality while balloon expandable is needed
The circulation of existing blood.
Patent application CN 105079951A disclose a kind of dabbling drug sacculus, and which adopts double lumen, guidewire lumen and
Pressurising chamber is side by side and separate, is then respectively provided with multiple fill orifices on the double lumen tube outside sacculus two ends, realizes in ball
Capsule expansion blood circulation simultaneously.Patent application CN 104922784A disclose a kind of medicinal balloon catheter, and which is by increasing
One special cavity for blood circulation solves the problems, such as the blood circulation in balloon expandable.Both schemes increase conduit
External diameter, is caused tracing property when performing the operation, pushability and is deteriorated by property, during implant surgery is carried out, increase operator's work
Make difficulty, in some instances it may even be possible to the damage that patient can be caused unnecessary, increase the pain of patient, bring medical-risk.Also exist simultaneously
Big is changed to existing foley's tube, and the problem for causing catheter not enough.
Therefore, the product of said structure is not widely applied substantially, the foley's tube product structure used on market
The conventional type foley's tube of blocking blood flow when still only using.
The content of the invention
For above-mentioned technical problem, the invention provides a kind of foley's tube with side opening.Particular by following technology
What scheme was realized：
A kind of foley's tube with side opening, including sacculus, conduit and guide wire, the conduit inner tube 2 is by outer tube 3
Portion passes；The both ends open of said inner tube 2, forms guidewire lumen；The annular space formed between said inner tube 2 and outer tube 3 is pressurising
Chamber；Further, in one section of conduit near balloon proximal, the pressurising chamber of this section of conduit is circumferentially divided into closure 11 and connects
Portion 12；
The closure 11 is that the outer tube 3 in the portion is close-coupled in inner tube 2, and through hole 7 is provided with closure 11；
The through hole 7 is caused in balloon expandable, and blood can be circulated by inner tube；
The interconnecting part 12 ensures connection of the sacculus by conduit and outside pressurizing system.
A kind of embodiment is that the through hole 7 is 1 to multiple, a diameter of 0.1～1mm of through hole 7.
A kind of embodiment is that the outer tube 3 of closure 11 is close-coupled in inner tube 2 by welding or bonding.
A kind of embodiment is that the outer tube 3 of closure 11 is close-coupled in inner tube 2, is realized by following technique：
A mandrel is built in said inner tube 2；
A mandrel is built in the interconnecting part 12 simultaneously；
Then one section of catheter jacket the preceding paragraph heat-shrink tube 10 being located in closure 11 and interconnecting part 12；
By LASER HEATING, outer tube 3 and the softening of 2 local heating of inner tube, while shrink under the pressure for producing in heat-shrink tube 10,
Realize that the outer tube 3 of closure 11 is closely bonded to be connected in inner tube 2；
Mandrel and heat-shrink tube 10 are removed finally.
A kind of application of the foley's tube with side opening.
A kind of application is, the sacculus is medicinal balloon, and the foley's tube with side opening is applied to convey Drug therapy blood
Pipe disease.
Another kind of application is that the foley's tube with side opening is applied to support conveying and alignment system；Sacculus auxiliary expansion
Support, reduces the resilience of support, improves the adherence quality of support.
Beneficial effects of the present invention are：
The present invention has broken the thinking set in foley's tube design, the local in the pressurising chamber by will be close to balloon proximal
Sub-fraction connection closure, and in the closure perforate, dexterously realize the blood circulation in balloon expandable.This programme is only
The change of very little need to be done to existing foley's tube on market, structure itself will not change, and not existed outside increase conduit
The problem in footpath, it is ensured that the tracing property of product, pushability and by property, blood circulation of realizing balloon expandable extend expansion simultaneously
The time of opening, improve treatment effect.
Description of the drawings
Fig. 1 is a kind of schematic diagram of the foley's tube with side opening described in embodiment.
Fig. 2 is the schematic diagram of through hole on a kind of foley's tube with side opening shown in Fig. 1；Wherein, front views of a for through hole；b
For the sectional view of through hole conduit.
Fig. 3 is the machining sketch chart of through hole on a kind of foley's tube with side opening shown in Fig. 1.
Fig. 4 is the frock schematic diagram that a kind of foley's tube with side opening shown in Fig. 1 carries out extracorporeal blood penetration performance experiment.
Label declaration：1- sacculus；2- inner tubes；3- outer tubes；4- hypotubes；5- reinforced pipes；6- handles；7- through holes；8- first
Mandrel；The second mandrels of 9-；10- heat-shrink tubes；11- closures；12- interconnecting parts；13- supply pumps；14- syringes；15- pressure gauges；
16- feed pipes；17-Y type adapters；18- silica gel tubes；19- fixtures；20- supports；21- liquid back pipes.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.It is emphasized that the description below
It is merely exemplary, rather than in order to limit the scope of the present invention and its application.
Unreceipted actual conditions in following embodiments, the condition advised according to normal condition or manufacturer are carried out.Implement
In example, involved material, if no special instructions, commercially obtains.
A kind of foley's tube with side opening of present invention offer is illustrated in figure 1, the agent structure of the foley's tube is adopted
Traditional structure, including sacculus 1, conduit and guide wire.
The conduit is made up of inner tube 2 and outer tube 3.2 both ends open of inner tube, and its distal end is pyramidal structure, facilitates conduit
Push.Inner tube 2 is passed by the inside of outer tube 3, constitutes coaxial configuration；And the proximal, side wall in outer tube 3 is provided with opening, inner tube 2
Proximal openings be connected with the opening.The cavity of inner tube 2 be guidewire lumen, guide wire can by inner tube 2 proximal openings enter lead
Silk chamber, and passed through by guidewire lumen.There is annular space between inner tube 2 and outer tube 3, be pressurising chamber.In the distal end of outer tube 3 by weldering
Connect or the mode of bonding is connected with sacculus 1, it is ensured that sealing is good, the expansion of sacculus 1 is controlled by pressurising chamber and is inhaled flat.
Further, in order to realize blood circulation when sacculus 1 is expanded in performing the operation, present embodiment is near near sacculus 1
At one section of conduit at end, the pressurising chamber of section conduit is circumferentially divided into into closure 11 and interconnecting part 12.The closure 11 be by
The outer tube 3 in the portion is close-coupled in inner tube 2, and the connection can be realized by following technique, as shown in Figure 3：
The first mandrel 8 is built in said inner tube 2；
The second mandrel 9 is built in the interconnecting part 12 simultaneously；
Then one section of catheter jacket the preceding paragraph heat-shrink tube 10 being located in closure 11 and interconnecting part 12；
By LASER HEATING, outer tube 3 and the softening of 2 local heating of inner tube, while shrink under the pressure for producing in heat-shrink tube 10,
Realize that the outer tube 3 of closure 11 is closely bonded to be connected in inner tube 2；
Mandrel and heat-shrink tube 10 are removed finally.
Further, as Figure 1-Figure 2, the through hole 7 of two a diameter of 0.3mm is provided with closure 11, due to through hole 7
Between outer tube 3 and inner tube 2 near circumference, closely connection forms enclosed construction, pressurising liquid will not be made to be flowed out by through hole 7, blood
Pressurising chamber will not also be entered；Meanwhile, it is not connected with forming enclosed construction between the outer tube 3 and inner tube 2 of interconnecting part 12, it is ensured that pressurising
The connection in chamber, therefore, the through hole does not interfere with the pressurising of sacculus 1.The through hole 7 causes guidewire lumen to be in communication with the outside, and forms blood
Liquid path, when sacculus 1 is expanded, blood can be circulated by guidewire lumen.
Developing mark ring being set on one section of conduit inside sacculus 1, being tracked during to perform the operation.
The outer tube 3 passes through hypotube 4 and reinforced pipe 5 is connected to handle 6；The handle 6 is provided with pressurising injection chamber and leads to
Cross reinforced pipe 5 and hypotube 4 to be connected with the pressurising chamber of conduit, control the pressurising of sacculus 1 and inhale flat.
Above-mentioned foley's tube, in operation during dilating sacculus 1, withdraws the near-end of guide wire to through hole 7, and blood can be from sacculus
The through hole 7 of 1 near proximal ends enters guidewire lumen, and is flowed out by the distal openings of inner tube 2, realizes blood circulation, it is ensured that performed the operation
The blood supply of body in journey, so that sacculus 1 for longer periods expands narrow vascular lesion, makes surgical effect more preferably.
A kind of embodiment is that above-mentioned foley's tube adopts medicinal balloon, the foley's tube with side opening is applied to defeated
Drugs treats angiopathy.Such as it is applied in percutaneous tranluminal coronary angioplasty (PTCA).
Another embodiment is that above-mentioned foley's tube is applied to support conveying and alignment system；Sacculus auxiliary expansion
Support, reduces the resilience of support, improves the adherence quality of support.
Carry out the blood penetration performance of foley's tube of the assay with side opening below by way of specific experiment method.For convenience
Measurement, devises a kind of frock, in an experiment as shown in figure 4, frock is mainly by supply pump 13, syringe 14, pressure gauge 15, Y
Type adapter 17, silica gel tube 18, fixture 19, support 20, feed pipe 16, liquid back pipe 21 and the foley's tube with side opening composition.Its
In, the silica gel tube 18 is used to simulate human vas, and silica gel tube 18 is arranged on support 20 by fixture 19, and the fixture 19 can
To adopt plastic material, the support 20 adopt stainless steel.Supply pump 13, syringe 14, feed pipe 16, silica gel tube
18th, liquid back pipe 21 is in turn connected to form closed-loop path, for simulating blood circulation.Lead between the feed pipe 16 and silica gel tube 18
Cross Y-connector 17 to connect, another path the inserting for the foley's tube with side opening on the Y-connector 17.Experiment
In, the flow of liquid flowing is persistently provided by supply pump 13；Pressure gauge 15 is provided with feed pipe 16, for monitoring experimentation
In pressure under a certain flow (this pressure should simulate arteria coronaria blood pressure).
The blood pressure of normal human is：Systolic pressure 120mmHg, diastolic pressure are 80mmHg.But carrying out Percutaneous Coronary Intervention
Patient in, almost all with hypertension (according to World Health Organization (WHO) specify, adult systolic pressure >=140mmHg (21.3Kpa)
When can be diagnosed as hypertension).When this experiment is designed, it is contemplated that the bound of arteria coronaria blood pressure, and the arteria coronaria blood pressure upper limit is set
It is set to 250mmHg (about 33Kpa), coronary blood pressure limit is set as into 100mmHg (about 13Kpa).Arteria coronaria blood pressure is work
Pressure shown in pressure gauge 15 in dress.
Blood penetration performance experimentation is divided into two steps：
First step stage of preparation：Foley's tube with side opening is placed to into silica gel tube by the blank area of Y-connector 17
In 18, the hemostasis nut of Y-connector 17 is tightened, being suppressed to sacculus 1 with the full device of pressure fills which.Open supply pump
13 switch, makes syringe 14 be continuously simulation blood circulation path and provides purified water (with purification Fluid Dynamics blood), and will be logical
Gas in road is discharged by the through hole 7 of foley's tube, makes hydraulically full net air side by side in path.
Second step experiment periods：The flow velocity of adjustment supply pump 13, the registration for making pressure gauge 15 are 13kpa～34kpa, record and supply
To the flow velocity of pump 13.
It is below the certain embodiments and result of implementation in this experiment.
Embodiment 1：
It is 2.0mm from overall diameter, length is the foley's tube with side opening of 10mm, and the quantity of through hole 7 is 1, aperture
For 0.1mm.This foley's tube is inserted in silica gel tube 18, blood penetration performance experiment is carried out, the stream of slow adjustment supply pump 13
Speed, the registration for making pressure gauge 15 are 13Kpa, record the flow velocity now of supply pump 13.
Embodiment 2：
It is 2.0mm from overall diameter, length is the foley's tube with side opening of 10mm, and the quantity of through hole 7 is 2, aperture
For 0.1mm.This foley's tube is inserted in silica gel tube 18, blood penetration performance experiment is carried out, the stream of slow adjustment supply pump 13
Speed, the registration for making pressure gauge 15 are 13Kpa, record the flow velocity now of supply pump 13.
Embodiment 3：
It is 4.0mm from overall diameter, length is the foley's tube with side opening of 10mm, and the quantity of through hole 7 is 1, aperture
For 0.1mm.This foley's tube is inserted in silica gel tube 18, blood penetration performance experiment is carried out, the stream of slow adjustment supply pump 13
Speed, the registration for making pressure gauge 15 are 13Kpa, record the flow velocity now of supply pump 13.
Embodiment 4：
It is 4.0mm from overall diameter, length is the foley's tube with side opening of 30mm, and the quantity of through hole 7 is 1, aperture
For 0.1mm.This foley's tube is inserted in silica gel tube 18, blood penetration performance experiment is carried out, the stream of slow adjustment supply pump 13
Speed, the registration for making pressure gauge 15 are 13Kpa, record the flow velocity now of supply pump 13.
Embodiment 5：
It is 2.0mm from overall diameter, length is the foley's tube with side opening of 10mm, and the quantity of through hole 7 is 1, aperture
For 0.3mm.This foley's tube is inserted in silica gel tube 18, blood penetration performance experiment is carried out, the stream of slow adjustment supply pump 13
Speed, the registration for making pressure gauge 15 are 13Kpa, record the flow velocity now of supply pump 13.
Embodiment 6：
It is 2.0mm from overall diameter, length is the foley's tube with side opening of 10mm, and the quantity of through hole 7 is 2, aperture
For 0.3mm, this foley's tube is entered and is inserted in silica gel tube 18, carry out blood penetration performance experiment, slow adjustment supply pump 13
Flow velocity, make pressure gauge 15 registration be 34Kpa, record the flow velocity now of supply pump 13.
The result of implementation that embodiment 1-6 draws is as shown in table 1.
Table 1
| Embodiment party's Reference Number | Flow velocity (mm/s) |
| Embodiment 1 | 5.4 |
| Embodiment 2 | 7.2 |
| Embodiment 3 | 5.6 |
| Embodiment 4 | 4.8 |
| Embodiment 5 | 6.8 |
| Embodiment 6 | 8.1 |
The 6 kinds of embodiments that above is referred to are only obtained by laboratory, it can be seen that the quantity and aperture for improving through hole 7 can
Blood flow is effectively improved, it is contemplated that the characteristic of foley's tube distal dimension and foley's tube itself, hole number and aperture
Need to consider as one sees fit.
Claims (7)
1. a kind of foley's tube with side opening, including sacculus, conduit and guide wire；The conduit is inner tube (2) by outer tube (3)
Inside passes；The both ends open of said inner tube (2), forms guidewire lumen；The annular formed between said inner tube (2) and outer tube (3) is empty
Gap is pressurising chamber；Characterized in that, in one section of conduit near balloon proximal, the pressurising chamber of this section of conduit is circumferentially divided into closure
Portion (11) and interconnecting part (12)；
The closure (11) is that the outer tube (3) in the portion is close-coupled in inner tube (2), and on closure (11) is provided with logical
Hole (7)；The through hole (7) is caused in balloon expandable, and blood can be circulated by inner tube；
The interconnecting part (12) ensures connection of the sacculus by conduit and outside pressurizing system.
2. a kind of foley's tube with side opening according to claim 1, it is characterised in that the through hole (7) for 1 to multiple,
A diameter of 0.1～1mm of through hole (7).
3. a kind of foley's tube with side opening according to claim 1, it is characterised in that the outer tube (3) of closure (11) leads to
Cross welding or bonding is close-coupled in inner tube (2).
4. a kind of foley's tube with side opening according to claim 1 or 3, it is characterised in that the outer tube (3) of closure (11)
It is close-coupled in inner tube (2), is realized by following technique：
A mandrel is built in said inner tube (2)；
A mandrel is built in the interconnecting part (12) simultaneously；
Then one section of catheter jacket the preceding paragraph heat-shrink tube (10) being located in closure (11) and interconnecting part (12)；
By LASER HEATING, outer tube (3) and the softening of inner tube (2) local heating, while the pressure for producing is shunk in heat-shrink tube (10)
Under, realize that the outer tube (3) of closure (11) is closely bonded and be connected in inner tube (2)；
Mandrel and heat-shrink tube (10) are removed finally.
5. a kind of application of the foley's tube with side opening described in claim 1.
6. application according to claim 5, it is characterised in that the sacculus is medicinal balloon, and the sacculus with side opening leads
Pipe is applied to convey Drug therapy angiopathy.
7. application according to claim 5, it is characterised in that the foley's tube with side opening is applied to support conveying and determines
Position system；Sacculus aids in expandable stent, reduces the resilience of support, improves the adherence quality of support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610976307.4A CN106512181A (en) | 2016-11-07 | 2016-11-07 | Balloon catheter provided with side holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610976307.4A CN106512181A (en) | 2016-11-07 | 2016-11-07 | Balloon catheter provided with side holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106512181A true CN106512181A (en) | 2017-03-22 |
Family
ID=58350047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610976307.4A Pending CN106512181A (en) | 2016-11-07 | 2016-11-07 | Balloon catheter provided with side holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106512181A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107080609A (en) * | 2017-05-31 | 2017-08-22 | 苏州大学 | A kind of gatherer and its application method suitable for intestinal stent |
| CN108310594A (en) * | 2018-03-14 | 2018-07-24 | 董鹏 | A kind of sacculus |
| CN108904006A (en) * | 2018-05-24 | 2018-11-30 | 湖南埃普特医疗器械有限公司 | Suction catheter |
| CN109248371A (en) * | 2018-09-20 | 2019-01-22 | 郑州嘉豫医疗器械有限公司 | A kind of novel sacculus molding equipment |
| CN110051917A (en) * | 2018-01-18 | 2019-07-26 | 上海微创医疗器械（集团）有限公司 | Sacculus dilating catheter |
| CN111298225A (en) * | 2019-12-02 | 2020-06-19 | 李勇 | Balloon heart counterpulsation device comprising electromagnet |
| CN111526898A (en) * | 2018-01-25 | 2020-08-11 | 日本瑞翁株式会社 | IABP sacculus pipe and IABP drive arrangement |
| CN111803780A (en) * | 2020-06-29 | 2020-10-23 | 中国人民解放军陆军军医大学第一附属医院 | Tunnel type sacculus |
| CN114602040A (en) * | 2022-04-22 | 2022-06-10 | 恒壹（北京）医疗科技有限公司 | Self-perfusion drug balloon and medical intervention instrument |
| CN115282444A (en) * | 2022-09-30 | 2022-11-04 | 成都百瑞恒通医疗科技有限公司 | Manufacturing method of balloon dilatation catheter and balloon dilatation catheter |
| CN115501462A (en) * | 2022-10-27 | 2022-12-23 | 科睿驰（深圳）医疗科技发展有限公司 | Balloon catheter double-cavity docking method and balloon catheter |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107080609A (en) * | 2017-05-31 | 2017-08-22 | 苏州大学 | A kind of gatherer and its application method suitable for intestinal stent |
| CN110051917A (en) * | 2018-01-18 | 2019-07-26 | 上海微创医疗器械（集团）有限公司 | Sacculus dilating catheter |
| CN111526898A (en) * | 2018-01-25 | 2020-08-11 | 日本瑞翁株式会社 | IABP sacculus pipe and IABP drive arrangement |
| CN111526898B (en) * | 2018-01-25 | 2023-12-01 | 日本瑞翁株式会社 | IABP balloon catheter and IABP driving device |
| CN108310594A (en) * | 2018-03-14 | 2018-07-24 | 董鹏 | A kind of sacculus |
| CN108904006B (en) * | 2018-05-24 | 2021-08-20 | 湖南埃普特医疗器械有限公司 | Suction catheter |
| CN108904006A (en) * | 2018-05-24 | 2018-11-30 | 湖南埃普特医疗器械有限公司 | Suction catheter |
| CN109248371A (en) * | 2018-09-20 | 2019-01-22 | 郑州嘉豫医疗器械有限公司 | A kind of novel sacculus molding equipment |
| CN109248371B (en) * | 2018-09-20 | 2023-10-20 | 郑州必特奥医疗科技有限公司 | Novel sacculus former |
| CN111298225A (en) * | 2019-12-02 | 2020-06-19 | 李勇 | Balloon heart counterpulsation device comprising electromagnet |
| CN111803780A (en) * | 2020-06-29 | 2020-10-23 | 中国人民解放军陆军军医大学第一附属医院 | Tunnel type sacculus |
| CN111803780B (en) * | 2020-06-29 | 2022-02-11 | 中国人民解放军陆军军医大学第一附属医院 | Tunnel type sacculus |
| CN114602040A (en) * | 2022-04-22 | 2022-06-10 | 恒壹（北京）医疗科技有限公司 | Self-perfusion drug balloon and medical intervention instrument |
| CN114602040B (en) * | 2022-04-22 | 2023-01-20 | 恒壹（北京）医疗科技有限公司 | Self-perfusion medicine balloon and medical intervention instrument |
| CN115282444A (en) * | 2022-09-30 | 2022-11-04 | 成都百瑞恒通医疗科技有限公司 | Manufacturing method of balloon dilatation catheter and balloon dilatation catheter |
| CN115282444B (en) * | 2022-09-30 | 2022-12-16 | 成都百瑞恒通医疗科技有限公司 | Manufacturing method of balloon dilatation catheter and balloon dilatation catheter |
| CN115501462A (en) * | 2022-10-27 | 2022-12-23 | 科睿驰（深圳）医疗科技发展有限公司 | Balloon catheter double-cavity docking method and balloon catheter |
| CN115501462B (en) * | 2022-10-27 | 2023-09-08 | 科睿驰（深圳）医疗科技发展有限公司 | Balloon catheter double-cavity butt joint method and balloon catheter |
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Application publication date: 20170322 |