CN204734516U - Thrombus excision system and controllable thrombus resectoscope thereof - Google Patents
Thrombus excision system and controllable thrombus resectoscope thereof Download PDFInfo
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- CN204734516U CN204734516U CN201520371729.XU CN201520371729U CN204734516U CN 204734516 U CN204734516 U CN 204734516U CN 201520371729 U CN201520371729 U CN 201520371729U CN 204734516 U CN204734516 U CN 204734516U
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- spring
- controlled
- thrombectomy device
- excision
- tubular structure
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Abstract
The utility model discloses a thrombus excision system and controllable thrombus resectoscope thereof, the technical problem that solve get the bolt device through machinery to take out the embolus, and revascularization is realized to the mediation blood vessel. The utility model discloses a controllable thrombus resectoscope is equipped with the excision spring, and excision spring release condition is the conical spiral form, and excision spring distal end is connected with the core silk, and the near -end is connected with the tubular structure, and the core silk forms sliding connection with the tubular structure, realizes that excision spring shape is controllable. Compared with the prior art, the utility model, the shape of excision spring is controllable, only needs embolism position distal end to provide the space no longer than 10mm length during release, and clinical application scope has been expanded to very big degree, and the device is very soft moreover, and the minimum size of passing through is 0.014' (0.36mm), can easily get into tiny tortuous blood vessel.
Description
Technical field
This utility model relates to medical surgical instrument technical field, particularly a kind of apparatus for interventional therapy cerebral infarction.
Background technology
Ischemic Stroke accounts for the 60-80% of whole apoplexy, gets bolt clinically treat mainly through medicine thrombolytic or machinery.The time window restriction strict due to medicine thrombolytic and more complication, most of patient finally can take machinery to get bolt therapeutic modality.
Carry out embolectomy to need first apparatus to be released in thromboembolism position far-end, and existing pin device major part of getting is because provide the distance means tip, position of getting bolt function far away, there will be the situation that cannot discharge and put in place, cause there is limitation clinically, can not distal vascular disease be treated.
Utility model content
In view of this, this utility model provides a kind of controlled thrombectomy device, and pin device got by the machinery namely excising parts controlled, provides too large space to discharge during operation without the need to blood vessel far-end.
This utility model additionally provides a kind of thrombectomby system applying above-mentioned controlled thrombectomy device.
For achieving the above object, this utility model provides following technical scheme:
A kind of controlled thrombectomy device, comprises excision spring, core silk and tubular structure;
Described core silk is arranged in described tubular structure, and both formation are slidably connected;
Described excision spring is coaxial with described core silk, and far-end and the described core silk of described excision spring are fixedly linked, and near-end and the described tubular structure of described excision spring are fixedly linked.
Preferably, the hardness of the far-end of described tubular structure is less than the hardness of its near-end.
Preferably, the remote design of described tubular structure is spring-like structures or other engraved structures.
Preferably, metal tube processes for adopting laser cutting parameter by described spring-like structures.
Preferably, the pitch of described spring-like structures is 0.051 ~ 0.1mm, and length is 50 ~ 500mm.
Preferably, also comprise handle, described handle comprises inner core and overcoat; Described inner core is fixedly connected with the near-end of described tubular structure, and described overcoat is fixedly connected with the near-end of described core silk, and described inner core and described overcoat are formed and be slidably connected,
Preferably, described handle also comprises for preventing the described inner core handle positioner that rotate relative to described overcoat.
Preferably, the two ends of described excision spring are equipped with indicating.
A kind of thrombectomby system, comprise thrombectomy device, described thrombectomy device is above-mentioned controlled thrombectomy device.
As can be seen from above-mentioned technical scheme, the controlled thrombectomy device that this utility model provides, its excision spring far-end is connected with core silk, and near-end is connected with tubular structure, and core silk and tubular structure are formed and be slidably connected, and realizes excision spring controlled shape.Compared with prior art, only need thromboembolism position far-end to provide the space being no more than 10mm length during device release, high degree extends the clinical scope of application to this utility model.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the controlled thrombectomy device that Fig. 1 provides for this utility model embodiment;
The structural representation of the tubular structure that Fig. 2 provides for this utility model embodiment;
The use procedure schematic diagram of the thrombectomby system that Fig. 3 provides for this utility model embodiment.
Wherein, 1 is indicating, and 2 is excision spring, and 3 is core silk, and 4 is tubular structure, and 5 is handle inner core, and 6 is handle jacket, and 7 is handle positioner, and 8 is spring-like structures, and 9 is conveying microtubular, and 10 thromboembolism positions, 11 is controlled thrombectomy device, and 12 is blood vessel.
Detailed description of the invention
The utility model discloses a kind of controlled thrombectomy device, pin device got by the machinery namely excising parts controlled, provides too large space to discharge during operation without the need to blood vessel far-end.
Below in conjunction with the accompanying drawing in this utility model embodiment, be clearly and completely described the technical scheme in this utility model embodiment, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of this utility model protection.
Refer to Fig. 1-Fig. 2, the structural representation of the controlled thrombectomy device that Fig. 1 provides for this utility model embodiment; The structural representation of the tubular structure that Fig. 2 provides for this utility model embodiment; The use procedure schematic diagram of the thrombectomby system that Fig. 3 provides for this utility model embodiment.
The controlled thrombectomy device that this utility model embodiment provides, its core improvement is, comprises excision spring 2, core silk 3 and tubular structure 4;
Wherein, thread core silk 3 is arranged in hollow tubular structure 4, and both formation are slidably connected;
Excision spring 2 is coaxial with core silk 3, and the excision far-end of spring 2 and the far-end of core silk 3 are fixedly linked, and the excision near-end of spring 2 and the far-end of tubular structure 4 are fixedly linked, and its structure can with reference to shown in Fig. 1.
It should be noted that, above-mentioned far-end is the using state based on controlled thrombectomy device, and namely this apparatus is away from one end of user, the left end namely in accompanying drawing, accordingly, is near-end near one end of user
As shown in Figure 3, when the controlled thrombectomy device using this utility model embodiment to provide, conveying microtubular 9 is delivered to thromboembolism position 10 far-end, through conveying microtubular 9, controlled thrombectomy device 11 is delivered in blood vessel 12, and spring 2 far-end will be excised from conveying microtubular 9 far-end release 1 ~ 10mm, holding core silk 3 is motionless, by pushing tubular structure 4, excision spring 2 near-end is driven to send from conduit, now excise spring 2 to open completely, controlled thrombectomy device 11 and conveying microtubular 9 are withdrawn as a whole, accomplishes the end in view.
As can be seen from above-mentioned technical scheme, the controlled thrombectomy device that this utility model embodiment provides, its excision spring far-end is connected with core silk, and near-end is connected with tubular structure, core silk and tubular structure are formed and are slidably connected, thus regulate shape and the size of excision spring.Compared with prior art, only need thromboembolism position far-end to provide the space being no more than 10mm length during device release, high degree extends the clinical scope of application to this programme.
In order to optimize above-mentioned technical scheme further, the hardness of the far-end of tubular structure 4 is less than the hardness of its near-end.So, controlled thrombectomy device can light intravasation, and near-end has good propelling movement and twisting property, and far-end is softer, and pliability is good, freely can carry, avoid injured blood vessel at the Ink vessel transfusing of complexity.
In the specific embodiment that this programme provides, the remote design of tubular structure 4 is spring-like structures 8, and for realizing the flexible structure of tubular structure 4 far-end, its structure can with reference to shown in Fig. 2.Certainly, the structure of tubular structure 4 is not limited only to this, can also adopt other engraved structures, do not repeat them here at its far-end.
As preferably, metal tube processes for adopting laser cutting parameter by spring-like structures 8.Namely can process on existing guide-tube structure and obtain, and cutting accurately, can not cause the distortion of other parts.
Concrete, the pitch of spring-like structures 8 is 0.051 ~ 0.1mm, and length is 50 ~ 500mm, can adopt the mode that a kind of pitch or multiple pitch combine, and spring-like structures 8 is for realizing controlled thrombectomy device vertically proximally to far-end deliquescing gradually.
The propelling movement of tubular structure 4 can directly be realized by its near-end of operation.As preferably, the controlled thrombectomy device that this utility model embodiment provides also comprises the handle being arranged on its near-end, and this handle comprises inner core 5 and these two parts of overcoat 6; Wherein, inner core 5 is fixedly connected with the near-end of tubular structure 4, and overcoat 6 is fixedly connected with the near-end of core silk 3, and inner core 5 is formed with both overcoats 6 and is slidably connected.Namely tubular structure 4 and core silk 3 can be driven by control handle, accurately convenient.
Further, handle also comprises the handle positioner 7 for preventing inner core 5 rotation relative to overcoat 6, namely ensures that handle jacket 6 and inner core 5 can only linear slide and not twisting back and forth, thus improves the accuracy of whole controlled thrombectomy device operation.Concrete, handle positioner 7 can for being arranged on the spacing preiection in both inner core 5 and overcoat 6 on, with the limited impression arranged on another relevant position (or hole), these are all the routine techniques means of those skilled in the art, do not describe in detail at this.
In the specific embodiment that this programme provides, the two ends of excision spring 2 are equipped with indicating 1.As preferably, the position of excision spring 2 can be shown under X-ray.Indicating 1 external diameter at excision spring 2 two ends is 0.2 ~ 0.97mm, adopts platinum, platinum alloy, gold or rustless steel, is connected with excision spring 2 by solder technology.
In this programme, excision spring 2 is one or more conical helical pattern structure composition, naturalness is cone-type spiral structure (miner diameter end distally), platinum core titanium-nickel wire or golden core titanium-nickel wire is adopted to make, string diameter is 0.01 ~ 0.15mm, and quantity is 1 ~ 16, and pitch is 0.5 ~ 3mm, the spiral number of turns is 2 ~ 6 circles, and excision spring 2 maximum gauge is 2 ~ 10mm.Excision spring 2 also can adopt common nitinol alloy wire to make coil spring shape skeleton, more coated one deck platinum wire, platinum alloy silk, billon silk or tungsten filament spring, and design parameter is the same, the overall X-ray opaque of excision spring 2.Can be placed on after excision spring 2 shrinks in tubular structure 4 (conveying microtubular 9).
Core silk 3 adopts nitinol alloy wire or stainless steel silk to make, and string diameter is 0.025 ~ 0.15mm, and length is 700 ~ 3000mm.Tubular structure 4 adopts Nitinol or rustless steel to be material, and internal diameter is 0.1mm ~ 0.91mm, and external diameter is 0.25 ~ 0.97mm, and length is 500 ~ 2850mm.
This utility model embodiment still provides a kind of thrombectomby system, comprises thrombectomy device, and its core improvement is, thrombectomy device is above-mentioned controlled thrombectomy device.Wherein, thrombectomy device 11, as primary clustering, is arranged in the conveying microtubular 9 for sending.
As shown in Figure 3, when the thrombectomby system using this utility model embodiment to provide, conveying microtubular 9 is delivered to thromboembolism position 10 far-end, through conveying microtubular 9, controlled thrombectomy device 11 is delivered in blood vessel 12, and spring 2 far-end indicating 1 will be excised from conveying microtubular 9 far-end release 1 ~ 10mm, holding core silk 3 is motionless, tubular structure 4 is pushed by control handle, excision spring 2 near-end is driven to send from conduit, now excise spring 2 to open completely, controlled thrombectomy device 11 and conveying microtubular 9 are withdrawn as a whole, accomplishes the end in view.
In sum, this utility model embodiment provides a kind of thrombectomby system and controlled thrombectomy device thereof, and the technical problem that solve gets pin device by machinery to take out embolus, and dredging vascellum, realizes revascularization.Controlled thrombectomy device of the present utility model is provided with excision spring, and excision spring release conditions are conical helical pattern, and excision spring far-end is connected with core silk, and near-end is connected with tubular structure, and core silk and tubular structure are formed and be slidably connected, and realizes excision spring controlled shape.This utility model compared with prior art, the controlled shape of excision spring, thromboembolism position far-end is only needed to provide the space being no more than 10mm length during releasing device, high degree extends the clinical scope of application, and device is very soft, it is minimum by being of a size of 0.014 that " (0.36mm) easily can enter tiny tortuous blood vessel.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses this utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, this utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a controlled thrombectomy device, is characterized in that, comprises excision spring (2), core silk (3) and tubular structure (4);
Described core silk (3) is arranged in described tubular structure (4), and both formation are slidably connected;
Described excision spring (2) is coaxial with described core silk (3), far-end and the described core silk (3) of described excision spring (2) are fixedly linked, and near-end and the described tubular structure (4) of described excision spring (2) are fixedly linked.
2. controlled thrombectomy device according to claim 1, is characterized in that, the hardness of the far-end of described tubular structure (4) is less than the hardness of its near-end.
3. controlled thrombectomy device according to claim 2, is characterized in that, the remote design of described tubular structure (4) is spring-like structures (8) or other engraved structures.
4. controlled thrombectomy device according to claim 3, is characterized in that, metal tube processes for adopting laser cutting parameter by described spring-like structures (8).
5. controlled thrombectomy device according to claim 4, is characterized in that, the pitch of described spring-like structures (8) is 0.051 ~ 0.1mm, and length is 50 ~ 500mm.
6. the controlled thrombectomy device according to claim 1-5 any one, is characterized in that, also comprise handle, and described handle comprises inner core (5) and overcoat (6); Described inner core (5) is fixedly connected with the near-end of described tubular structure (4), described overcoat (6) is fixedly connected with the near-end of described core silk (3), and described inner core (5) and described overcoat (6) are formed and be slidably connected.
7. controlled thrombectomy device according to claim 6, is characterized in that, described handle also comprises the handle positioner (7) for preventing described inner core (5) rotation relative to described overcoat (6).
8. controlled thrombectomy device according to claim 1, is characterized in that, the two ends of described excision spring (2) are equipped with indicating (1).
9. a thrombectomby system, comprises thrombectomy device, it is characterized in that, described thrombectomy device is the controlled thrombectomy device as described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520371729.XU CN204734516U (en) | 2015-06-02 | 2015-06-02 | Thrombus excision system and controllable thrombus resectoscope thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520371729.XU CN204734516U (en) | 2015-06-02 | 2015-06-02 | Thrombus excision system and controllable thrombus resectoscope thereof |
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| Publication Number | Publication Date |
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| CN204734516U true CN204734516U (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520371729.XU Expired - Fee Related CN204734516U (en) | 2015-06-02 | 2015-06-02 | Thrombus excision system and controllable thrombus resectoscope thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104840235A (en) * | 2015-06-02 | 2015-08-19 | 湖南瑞康通科技发展有限公司 | Thrombectomy system and controllable thrombectomy apparatus thereof |
| CN113331919A (en) * | 2021-07-13 | 2021-09-03 | 江苏迈得诺医疗集团有限公司 | Device and system for removing blood vessel caking |
-
2015
- 2015-06-02 CN CN201520371729.XU patent/CN204734516U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104840235A (en) * | 2015-06-02 | 2015-08-19 | 湖南瑞康通科技发展有限公司 | Thrombectomy system and controllable thrombectomy apparatus thereof |
| CN113331919A (en) * | 2021-07-13 | 2021-09-03 | 江苏迈得诺医疗集团有限公司 | Device and system for removing blood vessel caking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151104 Termination date: 20170602 |