CN104799894A - Release device - Google Patents
Release device Download PDFInfo
- Publication number
- CN104799894A CN104799894A CN201510240824.0A CN201510240824A CN104799894A CN 104799894 A CN104799894 A CN 104799894A CN 201510240824 A CN201510240824 A CN 201510240824A CN 104799894 A CN104799894 A CN 104799894A
- Authority
- CN
- China
- Prior art keywords
- releasing device
- release
- hook
- pedestal
- conveying
- 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
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 24
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 11
- 239000007769 metal material Substances 0.000 claims description 9
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 7
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 5
- 229920000642 polymer Polymers 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000002513 implantation Methods 0.000 description 29
- 238000002560 therapeutic procedure Methods 0.000 description 6
- 230000003252 repetitive effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010339 dilation Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000002583 angiography Methods 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000001621 ilium bone Anatomy 0.000 description 1
- 238000002690 local anesthesia Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
- A61B2017/00469—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable for insertion of instruments, e.g. guide wire, optical fibre
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a release device, which comprises a main body and a release part, wherein the release part penetrates through the main body; a base is arranged on the main body, and at least two fixing hooks are arranged at one end of the base; the base is in a hollow cylinder shape or a hollow ellipse shape or a hollow square column shape; the fixing hooks are uniformly distributed along the circumferential direction of the base; each fixing hook is a curve-shaped bent hook or a straight hook; the release part is a release rod; the release rod is made of a stainless steel wire. The release device has the beneficial effects that the problem of failure of conveying and releasing of implanting apparatuses in the conveying process, such as existing thread rotary connecting type release devices, polymer coil type release devices and friction type release devices, is solved; the safety, effectivity and rapidity of the implanting apparatuses in the conveying and releasing process can be guaranteed; the repeated operability is realized.
Description
Technical field
The present invention relates to interventional medical device technical field, be specifically related to a kind of in interventional therapy the releasing device for separating of carrier and implantation instrument.
Background technology
Interventional medical device is an important branch of the medical apparatus industry grown up over nearly 10 years, and relevant interventional therapy is a brand-new technology, and it has opened the new page of medical science and technology.Interventional therapy (Interventional treatment) is the emerging therapeutic method between surgery, medical treatment, comprises intravascular intervention and Non-vascularized iliac bone treatment.Simply say, interventional therapy is exactly when not operating on exposure focus, blood vessel, skin are done the minim channel of diameter several millimeters, or through the original pipeline of human body, to the method for the minimum treatment of the focus local wound for the treatment of under the guiding of image documentation equipment (angiography machine, fluoroscopic machine, CT, MR, B ultrasonic).
Compared with traditional surgery, carry out interventional therapy, need not operate on, only need local anesthesia, open osculum, there is the advantages such as insufficiency of blood, wound are little, few intercurrent disease, safe and reliable, post-operative recovery is fast, significantly reduce the misery that patient bears, reduce the operation easier of operator, operating time and hospital stays significantly shorten, and expense also obviously reduces.
In intervention field, the application development that body cavity is implanted into apparatus is particularly rapid, the distinguishing feature of this kind of medical apparatus and instruments is by various carrier under image instructs, implantation instrument is transported to the tracts such as the various blood vessels of human body, the chambers of the heart, non-vascular cavity, then by releasing device, carrier is separated with implantation instrument, thus treat narrow, break, a series of pathological changes such as defect.So one of vitals that releasing device is implantation instrument successfully to be implanted.In releasing device, some needs with recuperable function after release, what be mainly used in implantation instrument reorientates release, the current designing requirement of this kind of releasing device is higher, the product of main application is occluder for left auricle, first heart stopper, vein filter, cerebrovascular support, periphery support, thoracoabdominal aorta support etc.The delivery mode that the releasing device of this series products adopts is: screw thread spins to connect and to be connected with release, polymer line and to discharge and carrier and implantation instrument frictional connection and release.Operation is simple and feasible for above releasing device, but such device exists following limitation:
1, screw thread is spun class releasing device, because carrier also can rotate in a circumferential direction in axial advancement, if direction of rotation is consistent with the direction that screw thread discharges, implantation instrument will be caused to carry and withdraw inefficacy;
2, for polymer line class releasing device, in conveying and dispose procedure, occur that thread breakage or line can not reclaim and cause implantation instrument carry and withdraw inefficacy;
3, for the releasing device of friction class, can take off in conveying and dispose procedure and carry, cause implantation instrument carry and withdraw inefficacy.
Summary of the invention
Easily cause implantation instrument to be carried for solving releasing device of the prior art and withdraw the technological deficiency of inefficacy, the invention provides a kind of releasing device, implantation instrument can be avoided to carry and withdraw inefficacy, and releasing device of the present invention has repetitive operation simultaneously.
For achieving the above object, the technical solution used in the present invention is:
A kind of releasing device, comprises body and runs through the release member of body; Wherein, described body has pedestal, and one end of described pedestal has at least two fixation hooks.This releasing device avoid adopt existing screw thread spin class releasing device, polymer line class releasing device and friction class releasing device etc. easily cause implantation instrument carry and release lost efficacy problem, safe, effective, convenient when can ensure implantation instrument conveying and discharge, this releasing device has repetitive operation simultaneously.
Further, the material of this releasing device is metal material or macromolecular material.
Preferably, described metal material is 316L rustless steel or 304 rustless steels or Nitinol or cobalt-base alloys.
Preferably, described macromolecular material is PVC or PE or POM.
Superelastic alloy and macromolecular material have good elasticity, the fixation hook be made up of the macromolecular material that Nitinol, cobalt-base alloys or hardness are higher is due to its good elasticity, when release member is got involved, fixation hook can be made well to catch on implantation instrument, fixation hook can be made when taking out release member to bounce back immediately, being at once separated with implantation instrument.The release member be made up of the macromolecular material that 316L rustless steel, 304 rustless steels, Nitinol, cobalt-base alloys or hardness are higher has enough hardness, and release member can not be out of shape because of the clamping of fixation hook.
Preferably, described body is cut or injection molded.
Preferably, described pedestal is the oval column of hollow cylindrical or hollow or hollow flat column.Pedestal is hollow columnar, and make it be convenient to be connected with the conveying lever of carrier, the end of the conveying lever of carrier is generally column, so pedestal need be designed to the column matched with the conveying lever end of carrier.
Preferably, described fixation hook is uniformly distributed along the circumference of pedestal.After fixation hook is uniformly distributed makes fixation hook catch on implantation instrument along the circumference of pedestal, stressed more even.
Preferably, described fixation hook is shaped form crotch or straight hook.The straight hook of shaped form crotch and various angle all effectively can catch on implantation instrument.
Further, described release member is release lever, and described release lever is stainless steel silk.Stainless steel silk has certain degree of hardness, makes it can not be out of shape because of the clamping of the fixation hook of higher hardness.
Beneficial effect of the present invention is: the releasing device that this invention provides avoid adopt existing screw thread spin class releasing device, polymer line class releasing device and friction class releasing device etc. easily cause implantation instrument carry and release lost efficacy problem, safe, effective, convenient when can ensure implantation instrument conveying and discharge, this releasing device has repetitive operation simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the body of the releasing device of the embodiment of the present invention;
Fig. 2 is the side view of the body of the releasing device of the embodiment of the present invention;
Fig. 3 is the connection diagram of the releasing device of the embodiment of the present invention and the conveying lever of carrier and occluder for left auricle;
Fig. 4 be releasing device and the occluder for left auricle of the embodiment of the present invention be separated schematic diagram.
In figure,
1, body; 11, pedestal; 12, fixation hook; 2, release member; 3, occluder for left auricle near-end locking cap; 4, the conveying lever of carrier.
Detailed description of the invention
Below in conjunction with accompanying drawing, explanation is explained in detail to structure of the present invention.
As Figure 1-4, a kind of releasing device provided by the invention, comprises body 1 and runs through the release member 2 of body 1; Wherein, described body 1 has pedestal 11, and one end of described pedestal 11 has at least two fixation hooks 12.This releasing device by getting involved, taking out release member 2, the connection realizing body 1 and implantation instrument be separated, implantation instrument can be avoided to carry and release was lost efficacy, make this releasing device have repetitive operation simultaneously.
A kind of releasing device provided by the invention, the material of this releasing device is metal material or macromolecular material.Metal material is 316L rustless steel or 304 rustless steels or superelastic alloy.Superelastic alloy is Nitinol or cobalt-base alloys.Macromolecular material is PVC or PE or POM.Wherein, the macromolecular material that the hardness such as superelastic alloy or PVC, PE, POM such as Material selec-tion Nitinol, cobalt-base alloys of body 1 is relatively high is comparatively suitable, 316L rustless steel and 304 rustless steels are plastic material, elasticity is bad, changeableness, so the materials'use being not suitable as body 1; Compare body 1, release member 2 is lower for the requirement of material, the macromolecular material that the hardness such as metal material or PVC, PE, POM such as 316L rustless steel, 304 rustless steels, Nitinol, cobalt-base alloys are relatively high all can be used as the materials'use of release member 2, but when selecting the material of body 1 and release member 2, need ensure that release member 2 can not be out of shape because of the clamping of fixation hook 12 when getting involved fixation hook 12.
A kind of releasing device provided by the invention, body 1 is cut or injection molded.When the material of body 1 is metal material, body 1 forms for cut; When the material of body 1 is macromolecular material, body 1 is injection molded.Pedestal 11 is the oval column of hollow cylindrical or hollow or hollow flat column so that and the conveying lever 4 of carrier with the use of; The end of the conveying lever 4 of carrier is generally column, and the inner diameter of pedestal 11 is slightly larger than the external diameter of the end of the conveying lever 4 of carrier, and the inwall of pedestal 11 is by bonding, and the outer wall of the conveying lever 4 of welding or the mode such as fastening and carrier is affixed.Fixation hook 12 is uniformly distributed along the circumference of pedestal 11, is traditionally arranged to be two, also can arrange plural fixation hook 12 according to service condition, as 3,4.Fixation hook 12 is the straight hook of shaped form crotch or various angle, as long as it can catch on implantation instrument near-end.Release member 2 is generally designed to shaft-like, and namely release member 2 can be release lever, and release lever can be stainless steel silk, and stainless steel silk has certain degree of hardness, makes it can not be out of shape because of the clamping of the fixation hook 12 of higher hardness.
A kind of releasing device provided by the invention, when embody rule, the pedestal of hollow columnar 11 is by bonding, and welding or the mode such as fastening are connected with the conveying lever 4 of carrier.Fixation hook 12 inserts implantation instrument near-end (as occluder for left auricle near-end locking cap 3, first heart stopper near-end locking cap, filter near-end locking cap, intravascular stent near-end or orifice bracket near-end etc.), thus make implantation instrument and releasing device initial contact of the present invention, the center of the conveying lever 4 (diameter of release lever is slightly less than the internal diameter of the conveying lever 4 of carrier) and body 1 that then release lever are passed carrier is until pass fixation hook 12, now fixation hook 12 is due to the intervention of release lever, radial outward dilations exceedes the internal diameter of implantation instrument near-end thus catches on implantation instrument and reach connection status.Take out release lever, make fixation hook 12 radial direction retraction, entire outer diameter is less than implantation instrument proximal inner diameter, thus releasing device of the present invention is separated with implantation instrument, reaches release conditions.
A kind of releasing device provided by the invention, it belongs to parts of the carrier in interventional medical device field, and the conveying lever 4 of the size of this releasing device and implantation instrument, carrier matches.Below to be connected with occluder for left auricle.
As shown in Figure 3-4, what this releasing device played fixation is fixation hook 12, and fixation hook 12 is the straight hook of shaped form crotch or various angle.Fixation hook 12 is two and circumference along pedestal 11 is uniformly distributed.The pedestal 11 of body 1 is connected with the conveying lever 4 of carrier by modes such as boning, weld or be fastening.Fixation hook 12 inserts occluder for left auricle near-end locking cap 3, thus make occluder for left auricle and releasing device of the present invention carry out initial contact, then by release lever through the conveying lever 4 of carrier and the center of body 1 until penetrate occluder for left auricle near-end locking cap 3, now fixation hook 12 is due to the intervention of release lever, and radial outward dilations exceedes the internal diameter of occluder for left auricle near-end locking cap 3 thus catches on occluder for left auricle and reach connection status.Take out release lever, make the fixation hook 12 radial direction retraction of body 1, entire outer diameter is less than the internal diameter of occluder for left auricle near-end locking cap 3, and this releasing device is separated with occluder for left auricle, thus the conveying lever 4 of carrier is separated with occluder for left auricle, reach release conditions.Release lever is stainless steel silk, and also can be the rod-like structure that other metal materials or macromolecular material are made, size and body 1 match.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all do in flesh and blood of the present invention any amendment, equivalent to replace and simple modifications etc., all should be included within protection scope of the present invention.
Claims (10)
1. a releasing device, is characterized in that, comprises body (1) and runs through the release member (2) of body (1); Wherein, described body (1) has pedestal (11), and one end of described pedestal (11) has at least two fixation hooks (12).
2. releasing device according to claim 1, is characterized in that, the material of described releasing device is metal material or macromolecular material.
3. releasing device according to claim 2, is characterized in that, described metal material is 316L rustless steel or 304 rustless steels or Nitinol or cobalt-base alloys.
4. releasing device according to claim 2, is characterized in that, described macromolecular material is PVC or PE or POM.
5. releasing device according to claim 1, is characterized in that, described body (1) is cut or injection molded.
6. releasing device according to claim 1, is characterized in that, described pedestal (11) is the oval column of hollow cylindrical or hollow or hollow flat column.
7. releasing device according to claim 1, is characterized in that, described fixation hook (12) is uniformly distributed along the circumference of pedestal (11).
8. releasing device according to claim 1, is characterized in that, described fixation hook (12) is shaped form crotch or straight hook.
9. releasing device according to claim 1, is characterized in that, described release member (2) is release lever.
10. releasing device according to claim 9, is characterized in that, described release lever is stainless steel silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240824.0A CN104799894A (en) | 2015-05-13 | 2015-05-13 | Release device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240824.0A CN104799894A (en) | 2015-05-13 | 2015-05-13 | Release device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104799894A true CN104799894A (en) | 2015-07-29 |
Family
ID=53685408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510240824.0A Pending CN104799894A (en) | 2015-05-13 | 2015-05-13 | Release device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104799894A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018121362A1 (en) * | 2016-12-30 | 2018-07-05 | 先健科技(深圳)有限公司 | Interventional medical system, delivery device and implantable medical apparatus |
| CN109984877A (en) * | 2017-12-28 | 2019-07-09 | 先健科技(深圳)有限公司 | Intraluminal stent system |
| CN112566565A (en) * | 2018-08-13 | 2021-03-26 | 奥林巴斯株式会社 | Stent delivery device, stent delivery system and method |
| CN116439844A (en) * | 2023-03-07 | 2023-07-18 | 极限人工智能有限公司 | Automatic steel wire deformation compensation mechanism, medical instrument and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002032496A1 (en) * | 2000-10-18 | 2002-04-25 | Nmt Medical, Inc. | Over-the-wire interlock attachment/detachment mechanism |
| CN201814606U (en) * | 2010-09-30 | 2011-05-04 | 周沂林 | Intervention and conveying device for occluding device |
| CN201958925U (en) * | 2010-12-10 | 2011-09-07 | 中国人民解放军第三军医大学第二附属医院 | Releasable and recoverable transfemoral approach interventional closing device |
| CN102395331A (en) * | 2009-02-26 | 2012-03-28 | 埃瓦尔维公司 | Detachment mechanism for implantable fixation devices |
| US20130138090A1 (en) * | 2011-11-24 | 2013-05-30 | Biotronik Ag | Release device for releasing a medical implant from a catheter and catheter comprising a release device |
| CN204744260U (en) * | 2015-05-13 | 2015-11-11 | 上海申淇医疗科技有限公司 | Release |
-
2015
- 2015-05-13 CN CN201510240824.0A patent/CN104799894A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002032496A1 (en) * | 2000-10-18 | 2002-04-25 | Nmt Medical, Inc. | Over-the-wire interlock attachment/detachment mechanism |
| CN102395331A (en) * | 2009-02-26 | 2012-03-28 | 埃瓦尔维公司 | Detachment mechanism for implantable fixation devices |
| CN201814606U (en) * | 2010-09-30 | 2011-05-04 | 周沂林 | Intervention and conveying device for occluding device |
| CN201958925U (en) * | 2010-12-10 | 2011-09-07 | 中国人民解放军第三军医大学第二附属医院 | Releasable and recoverable transfemoral approach interventional closing device |
| US20130138090A1 (en) * | 2011-11-24 | 2013-05-30 | Biotronik Ag | Release device for releasing a medical implant from a catheter and catheter comprising a release device |
| CN204744260U (en) * | 2015-05-13 | 2015-11-11 | 上海申淇医疗科技有限公司 | Release |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018121362A1 (en) * | 2016-12-30 | 2018-07-05 | 先健科技(深圳)有限公司 | Interventional medical system, delivery device and implantable medical apparatus |
| CN108261213A (en) * | 2016-12-30 | 2018-07-10 | 先健科技(深圳)有限公司 | Intervene medical system, conveying device and implanted medical device |
| CN109984877A (en) * | 2017-12-28 | 2019-07-09 | 先健科技(深圳)有限公司 | Intraluminal stent system |
| CN112566565A (en) * | 2018-08-13 | 2021-03-26 | 奥林巴斯株式会社 | Stent delivery device, stent delivery system and method |
| CN112566565B (en) * | 2018-08-13 | 2024-03-26 | 奥林巴斯株式会社 | Support conveying device and support conveying system |
| CN116439844A (en) * | 2023-03-07 | 2023-07-18 | 极限人工智能有限公司 | Automatic steel wire deformation compensation mechanism, medical instrument and method |
| CN116439844B (en) * | 2023-03-07 | 2024-03-15 | 极限人工智能有限公司 | Automatic steel wire deformation compensation mechanism, medical instrument and method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20150729 |