CN109044483A - A kind of conduit for removal of thromboses - Google Patents
A kind of conduit for removal of thromboses Download PDFInfo
- Publication number
- CN109044483A CN109044483A CN201810838098.6A CN201810838098A CN109044483A CN 109044483 A CN109044483 A CN 109044483A CN 201810838098 A CN201810838098 A CN 201810838098A CN 109044483 A CN109044483 A CN 109044483A
- Authority
- CN
- China
- Prior art keywords
- central tube
- tube
- outer tube
- handle
- conduit
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22038—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with a guide wire
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22094—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for crossing total occlusions, i.e. piercing
Abstract
A kind of conduit for removal of thromboses, including catheter body, female Luer, conduit include hollow central tube and outer tube, and described central tube one end controls handle through outer tube connection central tube, and the central tube other end connects tip, and outer tube one end connects outer tube handle；The taper inner is equipped with guidewire lumen, and guidewire lumen is through tip and and central tube；Guide wire is equipped in the central tube；It is standard luer fittings interface that outer tube, which connects female Luer handle tail end, and central tube control handle is docked by front end female Luer with outer tube handle, can control the position of central tube in vivo；The central tube is equipped with developing mark apart from nearly tip one end, the present invention is with safe and effective, structure is simple, diseased region thrombus effective and thorough rapidly in a short time can be taken out in vitro, so that patient is blocked coronary artery blood vessel and thoroughly restore blood supply function by the features such as easy to operate, conduit.
Description
Technical field
The present invention relates to technical field of medical treatment mechanical, and in particular to a kind of conduit for removal of thromboses.
Background technique
Thrombus suction catheter and thrombus rotary-cut the relevant technologies are a kind of physical treatment means of rising in recent years, can be fast
Speed effectively removes infraction coronary artery Intravascular Thrombus, improves coronary artery Distal blood flow, restores cardiac muscle cell's Reperfu- sion, fast and effeciently extensive
Infraction relevant blood vessel blood flow and the cardiac muscle of ischemic necrosis is saved again, restores heart function, reduce the generation of Main adverse cardiovascular event, to controlling
Treating Acute Myocardial Infarction Patients has well in the recent period and long-term effect, moreover, clinical application is shown, using thrombus suction catheter into
After row suction, there is 2/3 case to be not necessarily to carry out balloon pre-dilation and bracket can be implanted directly into, cost saved medical expense.
Patent CN104874033A discloses a kind of novel thrombus suction catheter, including suction tube, and the suction tube includes
Netting suction tube main body and netting suction tube head end, netting suction tube head end aspiration end are equipped with lead-in cavity, and lead-in cavity is in a tubular form, simultaneously
Parallel with the axis of netting suction tube head end, lead-in cavity, which is located on one end of netting suction tube head end pump orifice, is provided with through-hole, compiles
Net suction tube main body one end connects netting suction tube head end, the other end connects female Luer, and the female Luer other end is equipped with list
To valve body, check valve body connects suction unit, and suction unit is aspirator, and aspirator passes through connecting tube and suction catheter tail end phase
Even.
Patent CN104586470A discloses a kind of thrombus suction catheter, including catheter body and setting in the conduit sheet
The guidewire lumen of body proximal end, catheter body have suction chamber, and guidewire lumen is located at the distal medial of the suction chamber, connect with suction chamber
It is logical.Seal wire enters from guidewire lumen, by suction chamber, leaves catheter body from joint.
Patent CN206473366U discloses a kind of thrombus suction catheter of double suction chambers of band, including tube socket, proximal end push
Bar, distal tube and tip, wherein one end of proximal end push rod is connect with tube socket, and the one of the other end of proximal end push rod and distal tube
End connection, the other end of distal tube connect with tip, set in distal tube there are three cavity, respectively one is located in the middle seal wire
Transit chamber and two are located at the suction chamber of seal wire transit chamber two sides.
Patent CN107773286A discloses a kind of intervention thrombus removing conduit, which includes catheter body, haemostatic valve, leads
Silk seat；The intracorporal outside of conduit is casing, includes three autonomous channel cavitys in the catheter body of conduit, autonomous channel cavity is outside
It is inwardly respectively that suction chamber, drug injection be strong, guidewire lumen；Haemostatic valve left end is connect with catheter body, the other end setting of guidewire lumen
Filament guiding seat.
According to existing thrombus suction catheter in the market and taking the analysis of bolt conduit, and to announcing or the patent of authorization
The analysis of technology, we are it is not difficult to find that current suction catheter still has following deficiency: (1) effect is relatively simple, is only used for
Biochemical analyzer, suction cannot thoroughly remove thrombus；(2) due to using woven tube or plastic tube, warping resistance ability and enabling capabilities
It is not strong；(3) the problems such as composed structure is more complicated, and manufacturing process is cumbersome, and cost of manufacture is higher, and clinician is inconvenient,
Therefore, exploitation has the conduit for completely taking out Intravascular Thrombus, and warping resistance ability and enabling capabilities are far superior to woven tube
Or plastic tube, while having that structure is simple, easy to operate, low manufacture cost, the convenient thrombus of clinical use take out conduit for
The general level of the health and quality of life for improving our people are of great significance.
Summary of the invention
Thrombus, distortion resistance and branch cannot be thoroughly removed the technical problem to be solved by the present invention is to thrombus suction catheter
The deficiencies of indifferent is supportted, to solve the above problems, the present invention provides a kind of conduit for removal of thromboses.
The object of the present invention is achieved in the following manner:
A kind of conduit for removal of thromboses, including catheter body, female Luer, conduit include hollow central tube and outer tube,
Described central tube one end controls handle through outer tube connection central tube, and the central tube other end connects tip, and the connection of outer tube one end is outer
Pipe handle；The taper inner is equipped with guidewire lumen, and guidewire lumen is through tip and and central tube；Guidance is equipped in the central tube
Silk；It is standard luer fittings interface that outer tube, which connects female Luer handle tail end, and central tube controls handle and passes through front end female Luer
It is docked with outer tube handle, can control the position of central tube in vivo；The central tube is equipped with developing mark apart from nearly tip one end.
The tip is made of memory metal Nitinol.
Outer tube bourdon tube as made of medical stainless steel flat filament coiling, spring tube wall is by high molecular material block polyether
Amide elastomer is made.
The central tube uses stainless steel hypotube.
Compared with the existing technology, the present invention can conduit diseased region reached by guide wire by guidewire lumen, guide wire is logical
It is often 0.014 inch of conventional coronary guide wire, by control centre's pipe handle, after central tube passes through diseased region, control handle is beaten
Tip is opened, the tip after opening and vascular wall size are mutually coincide, and thrombus is taken in outer tube and removed into external by center of compression pipe；
The main material of conduit is made of medical stainless steel steel and block polyetheramides elastomeric material, and the outer tube material of conduit is stainless
Steel flat filament is made, and bourdon tube made of flat filament coiling has good flexibility, warping resistance and superpower support force, manages simultaneously
Intracavitary diameter is also better than round-wire spring, and the high molecular material of tube wall cladding has good biocompatibility and suitable processing performance, leads to
The negative pressure or so generated in process is crossed, can closely be coated with flat filament bourdon tube, while possessing ultra-thin spring tube wall, than
The health warping property of traditional woven tube and plastic tube and support can be with there is apparent advantage；Central tube is the control of stainless steel hypo
At, using the good handling of hypotube, be easier to control catheter tip, can make conduit along guide wire be easier reach
Diseased region；Tip is made of memory metal dilval, specific condition part can be restored to preparatory equipment form (round shape,
Size is as blood vessel)；The present invention has the features such as safe and effective, structure is simple, easy to operate, and conduit can be fast in a short time
Speed is effective and thorough to take out diseased region thrombus in vitro, so that patient is blocked coronary artery blood vessel and thoroughly restores blood supply function.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is partial enlarged view of the invention.
Wherein, 1. guidewire lumen, 2. tips, 3. developing marks, 4. central tubes, 5. outer tubes, 6. outer tube handles, the control of 7. centers
Handle processed, 8. female Luers.
Specific embodiment
As shown in attached drawing 1 to 2, a kind of conduit for removal of thromboses, including catheter body, female Luer 8, conduit include
Hollow central tube 4 and outer tube 5, described 4 one end of central tube connect central tube through outer tube 5 and control handle 7, and central tube 4 is another
End connection tip 2,5 one end of outer tube connects outer tube handle 6；Guidewire lumen 1 is equipped with inside the tip 2, guidewire lumen 1 runs through tip 2
And it is connect with central tube 4；Guide wire is equipped in the central tube 4；It is standard Luer that outer tube 5, which connects 8 handle tail end of female Luer,
8 interface of connector, central tube control handle 7 are docked by front end female Luer 8 with outer tube handle 6, can control central tube 4 in vivo
Position；The central tube 4 is equipped with developing mark 3 apart from nearly 2 one end of tip.
The course of work of the invention is as follows:
Conduit enters among human body via the guide wire in guidance cavity, and under X-ray machine, display is made labeled as platinumiridio, energy
It is enough clearly to be showed under X-ray machine, to judge tip 2 in the position of human body, when conduit reaches thrombus position, central control post's pipe
Control handle 7, make central tube 4 by thrombi, the tip 2 of 4 front end of central control post's pipe, after a certain time expansion open with
Vascular wall fitting, central control post manage handle 7 processed, tip 2 are pulled to 5 mouthfuls of ends of outer tube, drive tip 2 to withdraw in central tube 4
Thrombus is retracted in outer lumen by Cheng Zhong, and manipulation outer tube handle 6 withdraws from the conduit equipped with thrombus in vivo, to reach removal
Thrombus replys the smooth effect of blood vessel.
Further, tip 2 is made of memory metal Nitinol, can be restored to preset form.
Further, the bourdon tube as made of medical stainless steel flat filament coiling of outer tube 5, spring tube wall is by high molecular material block
Polyetheramide elastomeric system is at having good flexibility, warping resistance and superior support power.
Further, central tube 4 uses stainless steel hypotube, and hypotube has a good handling, at the same hypotube have it is super
Big inner cavity.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without depart from that overall concept of the invention, several changes and improvements can also be made, these also should be considered as of the invention
Protection scope.
Claims (4)
1. a kind of conduit for removal of thromboses, including catheter body, female Luer, it is characterised in that: conduit includes hollow
Central tube and outer tube, described central tube one end control handle through outer tube connection central tube, and the central tube other end connects tip, outside
Pipe one end connects outer tube handle；The taper inner is equipped with guidewire lumen, and guidewire lumen is through tip and and central tube；The central tube
It is interior to be equipped with guide wire；It is standard luer fittings interface that outer tube, which connects female Luer handle tail end, before central tube control handle passes through
End female Luer is docked with outer tube handle, can control the position of central tube in vivo；The central tube is set apart from nearly tip one end
There is developing mark.
2. the conduit according to claim 1 for removal of thromboses, it is characterised in that: closed using memory metal NiTi at tip
Gold is made.
3. the conduit according to claim 1 for removal of thromboses, it is characterised in that: outer tube by medical stainless steel flat filament around
Bourdon tube made of system, spring tube wall are made of high molecular material block polyetheramides elastomer.
4. the conduit according to claim 1 for removal of thromboses, it is characterised in that: central tube uses stainless steel hypo
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810838098.6A CN109044483A (en) | 2018-07-26 | 2018-07-26 | A kind of conduit for removal of thromboses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810838098.6A CN109044483A (en) | 2018-07-26 | 2018-07-26 | A kind of conduit for removal of thromboses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109044483A true CN109044483A (en) | 2018-12-21 |
Family
ID=64836491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810838098.6A Pending CN109044483A (en) | 2018-07-26 | 2018-07-26 | A kind of conduit for removal of thromboses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109044483A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846531A (en) * | 2019-02-26 | 2019-06-07 | 河南亚都实业有限公司 | Hysteromyomectomy negative pressure catheter |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1822872A (en) * | 2003-06-10 | 2006-08-23 | 卢门德公司 | Catheter systems and methods for crossing vascular occlusions |
| CN102038565A (en) * | 2010-12-17 | 2011-05-04 | 北京有色金属研究总院 | Novel great vascular stent delivery system |
| CN102688093A (en) * | 2012-06-20 | 2012-09-26 | 深圳市惠泰医疗器械有限公司 | Renal artery cold saline water radio frequency ablation controllable electrode catheter |
| CN203379185U (en) * | 2013-06-04 | 2014-01-08 | 加奇生物科技(上海)有限公司 | Intracranial thrombus removing device |
| CN103957826A (en) * | 2011-11-30 | 2014-07-30 | 弗赖堡大学综合医院 | Device for detaching parietal thrombi from blood vessel |
| CN203763634U (en) * | 2014-03-07 | 2014-08-13 | 北京迪玛克医药科技有限公司 | Blood vessel inward guiding conduit |
| CN104758029A (en) * | 2015-04-16 | 2015-07-08 | 黄经春 | Thrombus aspiration catheter and application thereof |
| CN205514708U (en) * | 2016-01-25 | 2016-08-31 | 中国人民解放军第四军医大学 | Little pipe of external diameter and hardness gradual change |
| CN106413592A (en) * | 2014-02-06 | 2017-02-15 | 尼普洛株式会社 | Catheter |
| CN108143464A (en) * | 2018-01-19 | 2018-06-12 | 上海唯域医疗科技有限公司 | It takes bolt conduit and takes bolt device for take bolt conduit |
-
2018
- 2018-07-26 CN CN201810838098.6A patent/CN109044483A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1822872A (en) * | 2003-06-10 | 2006-08-23 | 卢门德公司 | Catheter systems and methods for crossing vascular occlusions |
| CN102038565A (en) * | 2010-12-17 | 2011-05-04 | 北京有色金属研究总院 | Novel great vascular stent delivery system |
| CN103957826A (en) * | 2011-11-30 | 2014-07-30 | 弗赖堡大学综合医院 | Device for detaching parietal thrombi from blood vessel |
| CN102688093A (en) * | 2012-06-20 | 2012-09-26 | 深圳市惠泰医疗器械有限公司 | Renal artery cold saline water radio frequency ablation controllable electrode catheter |
| CN203379185U (en) * | 2013-06-04 | 2014-01-08 | 加奇生物科技(上海)有限公司 | Intracranial thrombus removing device |
| CN106413592A (en) * | 2014-02-06 | 2017-02-15 | 尼普洛株式会社 | Catheter |
| CN203763634U (en) * | 2014-03-07 | 2014-08-13 | 北京迪玛克医药科技有限公司 | Blood vessel inward guiding conduit |
| CN104758029A (en) * | 2015-04-16 | 2015-07-08 | 黄经春 | Thrombus aspiration catheter and application thereof |
| CN205514708U (en) * | 2016-01-25 | 2016-08-31 | 中国人民解放军第四军医大学 | Little pipe of external diameter and hardness gradual change |
| CN108143464A (en) * | 2018-01-19 | 2018-06-12 | 上海唯域医疗科技有限公司 | It takes bolt conduit and takes bolt device for take bolt conduit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846531A (en) * | 2019-02-26 | 2019-06-07 | 河南亚都实业有限公司 | Hysteromyomectomy negative pressure catheter |
| CN109846531B (en) * | 2019-02-26 | 2023-11-21 | 河南亚都实业有限公司 | Suction catheter for hysteromyectomy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |
|
| RJ01 | Rejection of invention patent application after publication |