CN104771254A - Conveyor for medical stent - Google Patents
Conveyor for medical stent Download PDFInfo
- Publication number
- CN104771254A CN104771254A CN201410014514.2A CN201410014514A CN104771254A CN 104771254 A CN104771254 A CN 104771254A CN 201410014514 A CN201410014514 A CN 201410014514A CN 104771254 A CN104771254 A CN 104771254A
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- China
- Prior art keywords
- steel wire
- outer tube
- conveyor
- holes
- release steel
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Abstract
The invention discloses a conveyor for a medical stent. The conveyor comprises an inner rod component and an outer tube component, wherein the inner rod component consists of a guide head, a central tube, an inner rod pushing tube connecting piece, an inner rod pushing tube, a handle, a release steel wire and a release steel wire inserted pin; the outer tube component consists of an outer tube and an outer tube handle. The conveyor is characterized in that two holes of which the extension direction is basically the same as that of the central tube are formed in the guide head, and when the release steel wire sequentially penetrates the two holes, a periphery-closed gap is formed between the two holes and between the release steel wire and the central tube, to be used for hanging a metal bend at one end of the stent, so that the stent and the conveyor can be conveniently, quickly and completely mounted together or separated from each other. The conveyor can be highly suitable for a self-expanding stent.
Description
Technical field
The present invention relates to a kind of Medical rack carrier, belong to technical field of medical instruments.
Background technology
Medical rack is widely used, is mainly used to strut narrow positions, stifled fistula or topical etc., and object makes tract unobstructed.
Medical rack is divided into self-inflated and expanding two class substantially, needs to carry with carrier during stenter to implant human body.Self-expandable stent is transported to the delivery mode after appointed part, is by pushing away support from the afterbody of support mostly, simultaneously the trocar sheath recession of support, and removes the constraint of trocar sheath to support, and support is automatically swelling, withdraws from carrier.This carrier is just unavailable for segmentation overlay film frame, reason is the film between adjacent two sections of stagewise support is soft, wrinkle can arrive together in support dispose procedure, clog the space at support place, " checking " relative motion between support and outer tube as " skin of stopping ", thus this support is not discharged.The patent No. is 200520070630.2, the patent of 201110171809.7, disclose a kind of Novel conveyer, comparatively can be widely applicable for self-expandable stent, but these two kinds of bracket conveyers, with bounding wire, support is lashed on carrier, operator needs professional training, otherwise A, can send out two lines and intersect, support cannot discharge, and cause the operative failure of stent endoprosthesis; B, toe-in improper and firmly releasing bracket time, toe-in slippage, causes support release failure; These two problems have allowed the use of doctor to this carrier have therefore have avoided, and govern the use of stagewise support and this carrier.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of carrier of novel self-expandable stent, may cause the problem that support cannot discharge to solve existing carrier because of use bounding wire intersection or toe-in slippage.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of carrier of Medical rack, comprise: the interior bar assembly be made up of target seeker (1), central canal (3), interior bar ejector sleeve connector (4), interior bar ejector sleeve (5), handle (6), release steel wire (2), release steel wire latch (7), and the outer tube assembly be made up of outer tube (9) and outer tube handle (8) forms.It is characterized in that: move towards two basically identical holes in the upper structure trend of target seeker (1) with central canal (3), when discharging steel wire (2) and penetrating above two holes successively, between above two holes, and between release steel wire (2) and central canal (3), form the space (A) of an all round closure.When discharging steel wire (2) and extracting out, this space is just no longer closed.
Using method: Medical rack to be set in this carrier on bar assembly, mobile release steel wire (2), allow support embed in the space (A) of all round closure shown in Fig. 1 near a certain turning point of metal of target seeker (1) one end, support and interior bar assembly are loaded outer tube assembly.When support to be delivered to patient's diseased region with carrier by doctor, bar assembly and patient's geo-stationary in keeping, recession outer tube assembly, extract and discharge steel wire latch (7), support and interior bar assembly are thrown off.Withdraw from carrier to outside patient body.
The present invention compared with prior art, has following obvious advantage:
The present invention in use, does not need to use silk thread to tie and rolls, and allow support and carrier realize fast combining or being separated.Solve existing carrier and may cause because of use bounding wire intersection or toe-in slippage the problem that support cannot discharge.
To sum up, use safety of the present invention is quick, strong with self-expandable stent suitability, effectively can eliminate the worry in doctor's use, thus be patient's traffic better, remove the suffering of illness of patient.
Accompanying drawing explanation
Fig. 1 is interior bar assembly schematic diagram;
Fig. 2 is the schematic perspective view of interior bar assembly head;
Fig. 3 is outer tube handle and outer tube cross-sectional schematic.
Sequence number in figure is: 1 is target seeker; 2 is release steel wires; 3 is central canals; 4 is interior bar ejector sleeve connectors; 5 is interior bar ejector sleeves; 6 is hands handles; 7 is release steel wire latches; 8 is outer tube hands handles; 9 is outer tubes.
Specific embodiment
As shown in Figure 1, interior bar assembly comprises: by target seeker (1), release steel wire (2), central canal (3), interior bar ejector sleeve connector (4), interior bar ejector sleeve (5), handle (6), release steel wire latch (7).When release steel wire (2) is away from one end of release steel wire latch (7), when moving towards basically identical two holes through handle (6), interior bar ejector sleeve (5), interior bar ejector sleeve connector (4), the upper trend of target seeker (1) with central canal (3) successively, closed space is defined, the region shown in alphabetical A as shown in Figure 1, Figure 2 between two holes on above-mentioned target seeker (1), release steel wire (2), central canal (3) four.
In the present embodiment, region shown in alphabetical A in Fig. 1, left side is release steel wire (2), right side is central canal (3) and upper parts of plastics thereof, is up and down to be arranged on the trend of target seeker (1) afterbody and central canal (3) moves towards basically identical two holes.Certainly; if the region shown in alphabetical A in Fig. 1; its bound is that trend moves towards basically identical two holes with central canal (3); if have one of them hole or two holes to be additionally provided on another part upper of central canal (3); like being the target seeker (1) in the present embodiment is divided into two vertically have no progeny; install to the upper of central canal (3), this also should belong to protection scope of the present invention.
Before Clinical practice; Medical rack to be set in this carrier on bar assembly; mobile release steel wire (2); support is allowed to embed in the space (A) of all round closure shown in Fig. 1 near a certain turning point of metal of target seeker (1) one end; at this moment compressed stent; allow support load outer tube assembly together with interior bar assembly, interior bar assembly and outer tube assembly geo-stationary, outer pipe (9) compression and protective cradle simultaneously.
During use, when patient's diseased region delivered to by support by carrier, bar assembly and patient's geo-stationary in keeping, doctor is by outer tube handle (8) recession outer tube assembly, remove outer tube to the constraint of support, extract release steel wire latch (7) again and take out release steel wire (2) outward, support and interior bar assembly are thrown off.Withdraw from carrier again to outside patient body, the mission of carrier completes.
Claims (1)
1. the carrier of a Medical rack, comprise: the interior bar assembly be made up of target seeker (1), central canal (3), interior bar ejector sleeve connector (4), interior bar ejector sleeve (5), handle (6), release steel wire (2), release steel wire latch (7), and the outer tube assembly be made up of outer tube (9) and outer tube handle (8) forms.It is characterized in that: move towards two basically identical holes in the upper structure trend of target seeker (1) with central canal (3), when discharging steel wire (2) and penetrating above two holes successively, between above two holes, and between release steel wire (2) and central canal (3), form the space of an all round closure.When discharging steel wire (2) and extracting out, this space is just no longer closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410014514.2A CN104771254A (en) | 2014-01-14 | 2014-01-14 | Conveyor for medical stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410014514.2A CN104771254A (en) | 2014-01-14 | 2014-01-14 | Conveyor for medical stent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104771254A true CN104771254A (en) | 2015-07-15 |
Family
ID=53613251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410014514.2A Pending CN104771254A (en) | 2014-01-14 | 2014-01-14 | Conveyor for medical stent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104771254A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101357088A (en) * | 2008-08-21 | 2009-02-04 | 上海交通大学 | Banding self-ejection type intervention apparatus conveying system |
| CN101450019A (en) * | 2007-12-03 | 2009-06-10 | 奥林巴斯医疗株式会社 | Stent delivery system, stent placement method, and stent attachment method |
| WO2009149927A1 (en) * | 2008-06-11 | 2009-12-17 | Angiomed Gmbh & Co. Medizintechnik Kg | Catheter delivery device |
| CN201840554U (en) * | 2010-07-28 | 2011-05-25 | 黄连军 | Blood vessel scaffold conveying device |
| CN201959032U (en) * | 2010-12-17 | 2011-09-07 | 北京有色金属研究总院 | Novel large stent delivery system |
| CN203724278U (en) * | 2014-01-14 | 2014-07-23 | 朱霖 | Conveyor for medical stent |
-
2014
- 2014-01-14 CN CN201410014514.2A patent/CN104771254A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101450019A (en) * | 2007-12-03 | 2009-06-10 | 奥林巴斯医疗株式会社 | Stent delivery system, stent placement method, and stent attachment method |
| WO2009149927A1 (en) * | 2008-06-11 | 2009-12-17 | Angiomed Gmbh & Co. Medizintechnik Kg | Catheter delivery device |
| CN101357088A (en) * | 2008-08-21 | 2009-02-04 | 上海交通大学 | Banding self-ejection type intervention apparatus conveying system |
| CN201840554U (en) * | 2010-07-28 | 2011-05-25 | 黄连军 | Blood vessel scaffold conveying device |
| CN201959032U (en) * | 2010-12-17 | 2011-09-07 | 北京有色金属研究总院 | Novel large stent delivery system |
| CN203724278U (en) * | 2014-01-14 | 2014-07-23 | 朱霖 | Conveyor for medical stent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150715 |
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| WD01 | Invention patent application deemed withdrawn after publication |