CN106377292A - Embolic coil detaching device - Google Patents
Embolic coil detaching device Download PDFInfo
- Publication number
- CN106377292A CN106377292A CN201610995151.4A CN201610995151A CN106377292A CN 106377292 A CN106377292 A CN 106377292A CN 201610995151 A CN201610995151 A CN 201610995151A CN 106377292 A CN106377292 A CN 106377292A
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- Prior art keywords
- lock
- turn
- groove portion
- embolism
- lock catch
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
- A61B17/12113—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel within an aneurysm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12027—Type of occlusion
- A61B17/12031—Type of occlusion complete occlusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/1214—Coils or wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
- A61B2017/12054—Details concerning the detachment of the occluding device from the introduction device
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurosurgery (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides an embolic coil detaching device, comprising a first lock catch for connecting a spring coil, a second lock catch snap-fitted with the first lock catch, a locking part for locking the first lock catch and second lock catch or detaching the first lock catch and second lock catch, and a detaching wire with one end connected with the locking part. According to the embolic coil detaching device, a structure in which the first lock catch and second lock catch are snap-fitted and locked by the locking part is adopted, and the coil can be smoothly delivered to a position in a human body where thrombosis occlusion is needed; after the coil reaches a preset position, the detaching wire can be pulled to detach the first lock catch and second lock catch; and under the factors of the gravity action of the coil or blood flow shock, the first lock catch and second lock catch are separated, the coil is detached, and the first lock catch and the coil are left in the human body together to play an embolism role. The delivering process of the coil is stable and can not cause damage to a blood vessel, and the detaching mode is simple, easy to operate and high in success rate of detachment.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly, to a kind of embolism turn kickoff mechanism.
Background technology
Intracranial aneurysm refer to cerebral artery inner chamber localized abnormality expand cause arterial wall a kind of warty project, sound
Arteries and veins deformity.With the fast development of turn product, aneurysm embolization is a kind of popular treatment method now.Conventional process is
From femoral artery puncture, insert guiding catheter, and under fluorography, guiding catheter is sent into parent artery by blood flow system
Interior.A piece microtubular is sent into parent artery through guiding catheter, under the cooperation of micro-wire, microtubular is sent through aneurysm opening
Enter knurl chamber.Microtubular end is maintained at the 1/3～1/2 of nearly knurl neck, can be placed at aneurysm neck compared with microaneurysm.Finally, warp
Microtubular sends into turn into aneurysm cavity, so that turn is filled in aneurysm cavity.Mechanical occlusions using turn
The embolic occlusion effect of effect and secondary, aneurysm is isolated from outside the blood circulation of parent artery, stops that blood flows into dynamic
In arteries and veins knurl, thus reaching the purpose preventing aneurysm rupture, effectively prevent the possibility of cerebral hemorrhage apoplexy.For aneurysm
Patient through bleeding, the minimally-invasive treatment of aneurysm embolism can effectively stop the further cerebral hemorrhage of aneurysm.
At present, turn ways of relief has hydrolysis to take off, electrolysis is de-, hot melt is freed and four kinds of major ways freed by machinery.Water
Freeing is to be passed through solvent into delivery pipe to dissolve to realize release spring circle, and it has that ways of relief is unstable and notes
Entering solvent easily increases vascular pressure, if solvent insufficient infusion does not reach the position that turn frees it is difficult to realize solution again
De-.Electrolysis is de- to be to pass through together with electric welding between turn and seal wire.After electric welding cooling, weld part branch is uneven, easily
The higher voltage of producing ratio, leads to turn wayward from the microtubular electrolysis de- time, the electrolysis de- time from 30 seconds to
A few minutes.Hot melt is freed to be needed to introduce electric current, electric wire and electrode etc., is to produce heat by electricity, when heat reach certain
When fusing thermo-fuse free realizing turn.Smoke event can be produced when hot melt, lead to the local damage in human body,
Increased the misery of patient.Current main stream approach freed by machinery is section cascaded, that is, increase a movable connecting rod, movable connecting rod end
End is spherical characteristic, movable connecting rod head end be with turn connect, escape wire be with movable connecting rod assembling put in the lump defeated
Send conduit, freed by withdrawing escape wire and realizing turn.But when freeing, free and a little easily made by mechanical force
With, thus causing implant position deviation, increasing surgical risk, affecting therapeutic effect, or even the life jeopardizing patient.Separately
Outward, to free structure more difficult to process for this machinery, and high cost.
The patent of invention of Publication No. CN103284773 A, as shown in figure 1, be that a kind of hot melt frees turn system.Should
Patent is that the fixation of steel conveying 1 rear end is arranged with loop electrode 3, and side is provided with two enamel-cover lousiness lines 4,8, an enamel-cover lousiness
Front end of line 4 is fixedly connected with not waiting diameter spring 6 front end, and rear end is fixedly connected with loop electrode 3, another enamel-cover lousiness front end of line
8 are fixedly connected with not isometrical spring rear end 6, and rear end is fixedly connected with steel conveying 1, and medical high polymer fiber 5 passes through not isometrical
Spring 6 one end is fixed 7 with Marking ring and is connected, and the other end is fixedly connected with being located at the turn 2 not waiting diameter spring 6 front.Pass through
Apply 8-10V direct current between loop electrode 3 and steel conveying 1, electric current passes through loop electrode 3 with steel conveying 1 through two
Enamel-cover lousiness line 4,8 is conducting to not etc. on diameter spring 6.Turn heat energy, the not grade diameter spring 6 of hyperpyrexia and doctor through energy converting electrical energy
With the contact fusing medical high polymer fiber 5 of macromolecular fibre 5, turn 2 is made to be freed.This electrothermal method is being freed
When can produce smoke event, lead to the local damage in human body.
The patent of invention of Publication No. CN104398282A, as shown in Fig. 2 be a kind of to can be used for the turn that electric heating is freed
Induction system.This patent is one end that waterproof gasket 1 is arranged in heat-shrink tube 7, and support spring 26 is arranged in heat-shrink tube 7
The other end, is sequentially provided with electric heating spring 2, support spring 1 and developing mark 5 between waterproof gasket 1 and support spring 26, defeated
Seal wire 3 is sent to be arranged in support spring 1, developing mark 5 and support spring 26.And the delivery guidewire of this patent is divided into
Five sections of designs, wherein second segment and the 4th section two sections are taper variation zone, and other three sections is the intervals of constant diameter.By defeated
Send system near-end that its closed circuit is applied with the DC voltage of a 8-12V, the implanting portion realization that fuses at Section A-A is freed.
This ways of relief complex process, processing difficulties, relatively costly, free and also need to introduce electric current, electric wire and electrode etc., easily to human body
Cause local damage.
Content of the invention
The invention aims to solving the above problems, provide a kind of embolism turn kickoff mechanism, this device is permissible
Stably conveying turn needs the position of embolic occlusion in human body, then frees turn easily, mode of operation is simple,
Convenient, blood vessel will not be caused damage.
In order to achieve the above object, the present invention provides a kind of embolism turn kickoff mechanism, including：First lock, is used for
Connecting spring circle；Second lock, is interlocked with the described first lock；Closure, can pin the first lock and the second lock, or solution
De- first lock and the second lock；Escape wire, its one end connects described closure.
In one embodiment of the invention, also include delivery pipe, one end of delivery pipe connects described second lock, described free
Silk penetrates described delivery pipe.
In one embodiment of the invention, form the first cavity in described first lock, in described second lock, form second
Cavity, described closure movably penetrates the first cavity and the second cavity.
In one embodiment of the invention, described first lock includes the first hook portion and the first groove portion, described second lock bag
Include the second hook portion and the second groove portion, described first hook portion and the second groove portion cooperation, the second hook portion and the first groove portion cooperation.
In one embodiment of the invention, described first groove portion is square groove, described second hook portion and the first groove portion shape
Match；Described second groove portion is square groove, described first hook portion and the second groove portion mating shapes.
In one embodiment of the invention, described first groove portion is less than the groove of bottom land, described second hook portion and for notch
One groove portion mating shapes；Second groove portion is less than groove, described first hook portion and the second groove portion shape phase of bottom land for notch
Join.
In one embodiment of the invention, described first groove portion is more than the groove of bottom land, described second hook portion and for notch
One groove portion mating shapes；Described second groove portion is more than the groove of bottom land, described first hook portion and the second groove portion shape for notch
Match.
In one embodiment of the invention, also include development circle, this development circle is in delivery pipe near described second lock
One end.
In one embodiment of the invention, also include connecting tube, located at described delivery pipe away from described second one end latching,
The other end of described escape wire is connected with described connecting tube.
In one embodiment of the invention, described connecting tube is provided with the mark that fractures.
Compared with prior art, the beneficial effect of the technical program is：
Embolism turn kickoff mechanism of the present invention, is interlocked with the second lock using the first lock and closure is sealed
Turn can be steadily delivered to and need the position of embolic occlusion in human body by structure, after turn reaches precalculated position, pull
Escape wire is releasable first lock and the second lock, under the factor such as turn self gravitation effect, or blood flow impact, the
Separately, turn is freed for one lock and the second lock, and the first lock is stayed together with turn in human body and played embolism effect.Bullet
The course of conveying of spring coil steadily, will not cause to blood vessel to damage.Ways of relief is simple, easily operates, and the time of freeing is short, Neng Goujing
Really control transfer position.
Brief description
Fig. 1 is the structural representation that a kind of existing hot melt frees turn system.
Fig. 2 is the structural representation that existing another kind can be used for the coil delivery system that electric heating is freed.
Fig. 3 is the structural representation of an embodiment of embolism turn kickoff mechanism of the present invention.
Fig. 4 is a structural representation when embodiment turn of embolism turn kickoff mechanism of the present invention is freed.
Fig. 5 is the first lock of an embodiment of embolism turn kickoff mechanism of the present invention and the structure of the second lock fastening
Schematic diagram.
Fig. 6 is the first lock of another embodiment of embolism turn kickoff mechanism of the present invention and the knot of the second lock fastening
Structure schematic diagram.
Fig. 7 is the first lock of the another embodiment of embolism turn kickoff mechanism of the present invention and standing of the second lock fastening
Body structural representation.
Fig. 8 is that the closure of an embodiment of embolism turn kickoff mechanism of the present invention pins the first lock and the second lock
When cross section view.
Fig. 9 is that the closure in Fig. 8 frees cross section view when the first lock and the second lock.
Figure 10 is that the first lock, the second lock and the closure of an embodiment of embolism turn kickoff mechanism of the present invention exist
Structural representation before assembling.
Figure 11 be embolism turn kickoff mechanism of the present invention an embodiment turn free after structural representation.
Figure 12 is that embolism turn kickoff mechanism of the present invention penetrates the structural representation in microtubular.
Figure 13-1 is aneurysmal structural representation in blood vessel.
Figure 13-2 is the view putting into microtubular in aneurysm.
Figure 13-3 is sent into the view in aneurysm for turn.
View when Figure 13-4 does not free in aneurysm for turn.
Figure 13-5 implants the view after aneurysm for turn.
Figure 13-6 is the view after withdrawing from delivery pipe in aneurysm.
Specific embodiment
Below in conjunction with the accompanying drawings, by specific embodiment, clear, complete description is carried out to technical scheme.
Refer to shown in Fig. 1-11, the present invention provides a kind of embolism turn kickoff mechanism, including：First lock 20, the
Two locks 30, delivery pipe 40, closure 50 and escape wire 60.The effect of embolism turn kickoff mechanism of the present invention is by turn
70 send in aneurysm cavity, then free turn 70 and stay turn 70 and play embolism effect in aneurysm cavity.But it is not limited to
Aneurysm cavity or by turn 70 send into Ink vessel transfusing play embolism effect, below taking aneurysm embolization as a example.
Described first lock 20 be used for connecting spring circle 70, when turn 70 is stayed in aneurysm cavity this first lock 20 with
Turn 70 is stayed in aneurysm cavity together.Described second lock 30 and the described first lock 20 are interlocked.Described closure 50
The first lock 20 and the second lock 30 can be pinned, or free the first lock 20 and the second lock 30." pin the first lock 20 and the
Two locks 30 " refer to the first lock 20 and the second lock 30 is relatively fixed, and relative movement will not occur." free the first lock
20 and second latch 30 " refer to lose relatively-stationary effect, in turn between the first lock 20 and the second lock 30
70 Action of Gravity Field or blood flow impact etc. under factor this first lock 20 and the second lock 30 can separate, the first lock 20 and the
Separately rear turn 70 is releasable to two locks 30.One end of escape wire 60 connects described closure 50, and pulling escape wire 60 can
To drive closure 50 mobile.
One end of described delivery pipe 40 connects described second lock 30.In the present embodiment, described delivery pipe 40 and described
Two locks 30 are the single part of monolithic construction, but not limited to this, delivery pipe 40 and the second lock 30 can also be two solely
Vertical part, is linked together by bonding or other connected mode.Described escape wire 60 penetrates in described delivery pipe 40.Pull
Escape wire 60 can be drawn in closure 50 in delivery pipe 40.In the present embodiment, described delivery pipe 40 adopts a kind of metal material
Long micropipe, turn 70 smoothly can be delivered into Ink vessel transfusing by it, and can play guarantor to closure 50 and escape wire 60
Shield acts on.
During assembling, closure 50 pins the first lock 20 and the second lock 30, now the first lock 20 and the second lock 30
Relatively it is locked, then smoothly can be sent into turn 70 using delivery pipe 40 needs the position of embolic occlusion in human body.
When pulling escape wire 60, closure 50 can be driven mobile, refer to shown in Fig. 9, be that closure 50 frees the first lock 20
Latch 30 critical point with second, that is, closure 50 is mobile, and the movement towards in delivery pipe 40 is to position shown in Fig. 9 or continuation
Releasable first lock 20 and the second lock 30, under the factor such as impact of the Action of Gravity Field of turn 70 and blood flow, first
Lock 20 and the second lock 30 can separate, thus turn 70 is freed, the first lock 20 is stayed in human body together with turn 70
Play embolism effect.
Form the first cavity 201 in described first lock 20, in described second lock 30, form the second cavity 301, described
Closure 50 movably penetrates the first cavity 201 and the second cavity 301.Second cavity 301 is connected with the inside of delivery pipe 40,
Closure 50 can penetrate inside the first cavity 201, the second cavity 301 and delivery pipe 40 successively.When closure 50 penetrates simultaneously
When the first cavity 201 and the second cavity 301, closure 50 pins the first lock 20 and the second lock 30；When closure 50 is from
When extracting in one cavity 201 and the second cavity 301, closure 50 frees the first lock 20 and the second lock 30.This first lock
20th, the structure of the second lock 30 and closure 50 is very simple, pulls closure 50 can complete the first lock 20 by pulling force
With freeing of the second lock 30, operate very simple, convenient, be easily controlled, blood vessel will not be extruded, do not result in angiorrhoxis
Situation.In the present embodiment, described closure 50 is in shaft-like, easily moves in the first cavity 201 and the second cavity 301, frees
Process is simpler easy to operate.
Described first lock 20 includes the first hook portion 21 and the first groove portion 22, and described second lock 30 includes the second hook portion 32
With the second groove portion 31.Described first hook portion 21 and the second groove portion 31 coordinate, and that is, the first hook portion 21 is fastened in the second groove portion 31.The
Two hook portions 32 are coordinated with the first groove portion 22, and that is, the second hook portion 32 is fastened in the first groove portion 22.This first lock 20 and the second lock
Detain 30 structures simple, easily fasten and engaging lifting.
Refer to shown in Fig. 5, in one embodiment, described first groove portion 22 is square groove, described second hook portion 32 with
First groove portion 22 mating shapes.Described second groove portion 31 is square groove, described first hook portion 21 and the second groove portion 31 shape
Match.Square groove structure is simple, easily realizes the fastening of the first lock 20 and the second lock 30 during assembling, and sealed
When part 50 frees the first lock 20 and the second lock 30, easily under the Action of Gravity Field of turn 70 and blood flow impact, make first
Lock 20 and the second lock 30 are separately.But not limited to this, the first groove portion 22, the second groove portion 31, the first hook portion 21 and the second hook portion
32 shape can have multiple different shapes.
Refer to shown in Fig. 6, in another embodiment, described first groove portion 22 is less than the groove of bottom land for notch, described
Second hook portion 32 and the first groove portion 22 mating shapes.Second groove portion 31 is less than the groove of bottom land, described first hook portion for notch
21 and the second groove portion 31 mating shapes.Notch makes the button of the first lock 20 and the second lock 30 less than the groove shapes of bottom land
Close more stable, can steadily convey turn 70.
Refer to shown in Fig. 7, in another embodiment, described first groove portion 22 is more than the groove of bottom land for notch, permissible
It is V-shaped or similar structures, described second hook portion 32 and the first groove portion 22 mating shapes.Second groove portion 31 is more than groove for notch
The groove at bottom, can be V-shaped or similar structures, described first hook portion 21 and the second groove portion 31 mating shapes.Notch is more than
The groove shapes of bottom land are very easy to assembling, and when closure 50 is freed, the first lock 20 and the second lock 30 are easily separated.
Described embolism turn kickoff mechanism also includes connecting tube 80, located at described delivery pipe 40 away from the described second lock
30 one end, the other end of described escape wire 60 is connected with described connecting tube 80.This connecting tube 80 that fractures can pull escape wire
60, and then mobile described closure 50.Described connecting tube 80 is provided with the mark 81 that fractures, during use, at this fractures mark 81
The connecting tube that fractures 80.This connecting tube 80 can be made using frangibility material, or mark 81 place that only fractures adopts frangibility material
Make, the connecting tube that fractures when easy to use 80, pull escape wire 60, thus freeing the first lock 20 and the second lock 30.
Described embolism turn kickoff mechanism also includes the circle 90 that develops, and this development circle 90 is in delivery pipe 40 near described
One end of second lock 30, for showing that turn 70 sends into endovascular position, makes turn 70 can accurately be transported to pre-
Positioning is put.
Refer to Figure 13-1 to shown in 13-6, illustrate using embolism turn kickoff mechanism of the present invention convey turn 70
Enter the process at aneurysm in blood vessel, please also refer to shown in Figure 12, detailed process is：First pass through femoral artery entrance micro- by one
Conduit 100 is introduced in vascular system, and microtubular 100 is advanced at aneurysm 200, and microtubular 100 is provided with Warning Mark
101.Delivery pipe 40 is sent in microtubular 100, development circle 90 develops under contrast preparation, when turn 70 reaches aneurysm 200
During place, the Warning Mark 101 on development circle 90 and microtubular 100 forms T-shape, that is, by development circle 90 and Warning Mark
101 development can determine whether that precalculated position delivered to by turn 70, now can free the first lock 20 and the second lock 30,
First lock 20 and turn 70 are stayed at aneurysm 200.The connecting tube that fractures at the mark 81 that fractures 80, you can pull and free
Silk 60, and then pull closure 50, when closure 50 is extracted in the first cavity 201 and the second cavity 301, closure 50 solves
De- first lock 20 and the second lock 30, under the Action of Gravity Field of turn 70 or under the factor such as blood flow impact, the first lock
20 and second latch 30 separately, and the first lock 20 is stayed together with turn 70 and played embolism effect at aneurysm 200, stops blood flow
Flow in aneurysm 200, delivery pipe 40 and the second lock 30 can pull out.In whole course of conveying, closure 50 pins the first lock
Button 20 and the second lock 30, turn 70 can steadily be delivered at aneurysm 200, and the first lock 20 and the second lock 30 will not
Course of conveying is separated from, being capable of precise control transfer position；After turn 70 is transported to precalculated position, by freeing
First lock 20 can be stayed Ink vessel transfusing, only by the connecting tube that fractures together with turn 70 by one lock 20 and the second lock 30
80 pulling escape wires 60 can complete to free, and operation is very easy.
Although the present invention is open as above with preferred embodiment, it is not for limiting the present invention, any this area
Without departing from the spirit and scope of the present invention, the methods and techniques content that may be by the disclosure above is to this for technical staff
Bright technical scheme makes possible variation and modification, and therefore, every content without departing from technical solution of the present invention, according to the present invention
Technical spirit any simple modification, equivalent variations and modification that above example is made, belong to technical solution of the present invention
Protection domain.
Claims (10)
1. a kind of embolism turn kickoff mechanism is it is characterised in that include：
First lock, for connecting spring circle；
Second lock, is interlocked with the described first lock；
Closure, can pin the first lock and the second lock, or frees the first lock and the second lock；
Escape wire, its one end connects described closure.
2. embolism turn kickoff mechanism according to claim 1 is it is characterised in that also include delivery pipe, delivery pipe
One end connects described second lock, and described escape wire penetrates described delivery pipe.
3. embolism turn kickoff mechanism according to claim 1 is it is characterised in that form first in described first lock
Cavity, forms the second cavity in described second lock, described closure movably penetrates the first cavity and the second cavity.
4. embolism turn kickoff mechanism according to claim 1 is it is characterised in that described first lock includes the first hook
Portion and the first groove portion, described second lock includes the second hook portion and the second groove portion, described first hook portion and the second groove portion cooperation, the
Two hook portions and the first groove portion cooperation.
5. embolism turn kickoff mechanism according to claim 4 is it is characterised in that described first groove portion is square recessed
Groove, described second hook portion and the first groove portion mating shapes；Described second groove portion is square groove, described first hook portion and second
Groove portion mating shapes.
6. embolism turn kickoff mechanism according to claim 4 is it is characterised in that described first groove portion is less than for notch
The groove of bottom land, described second hook portion and the first groove portion mating shapes；Second groove portion is less than the groove of bottom land for notch, described
First hook portion and the second groove portion mating shapes.
7. embolism turn kickoff mechanism according to claim 4 is it is characterised in that described first groove portion is more than for notch
The groove of bottom land, described second hook portion and the first groove portion mating shapes；Described second groove portion is more than the groove of bottom land for notch,
Described first hook portion and the second groove portion mating shapes.
8. embolism turn kickoff mechanism according to claim 2 is it is characterised in that also include development circle, this development circle
Near one end of described second lock in delivery pipe.
9. embolism turn kickoff mechanism according to claim 2 is it is characterised in that also include connecting tube, located at described
Delivery pipe is connected with described connecting tube away from one end of the described second lock, the other end of described escape wire.
10. embolism turn kickoff mechanism according to claim 9 is it is characterised in that described connecting tube is provided with and fractures
Mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610995151.4A CN106377292B (en) | 2016-11-10 | 2016-11-10 | Embolic coil release device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610995151.4A CN106377292B (en) | 2016-11-10 | 2016-11-10 | Embolic coil release device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106377292A true CN106377292A (en) | 2017-02-08 |
| CN106377292B CN106377292B (en) | 2024-04-12 |
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ID=57958476
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610995151.4A Active CN106377292B (en) | 2016-11-10 | 2016-11-10 | Embolic coil release device |
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| CN (1) | CN106377292B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107951525A (en) * | 2017-12-11 | 2018-04-24 | 山东赛克赛斯生物科技有限公司 | Mechanical kickoff mechanism and machinery free system |
| CN110811736A (en) * | 2019-11-21 | 2020-02-21 | 浙江归创医疗器械有限公司 | A coil delivery system |
| CN110840509A (en) * | 2019-12-18 | 2020-02-28 | 上海加奇生物科技苏州有限公司 | Spring ring double-wire releasing system |
| CN112006743A (en) * | 2020-09-24 | 2020-12-01 | 浙江归创医疗器械有限公司 | Spring ring pushing and locking device |
| CN113491557A (en) * | 2021-09-08 | 2021-10-12 | 微创神通医疗科技（上海）有限公司 | Embolization device and embolization system |
| CN113729833A (en) * | 2021-09-30 | 2021-12-03 | 南京思脉德医疗科技有限公司 | Release mechanism capable of releasing spring ring |
| CN114469231A (en) * | 2022-01-27 | 2022-05-13 | 南京思脉德医疗科技有限公司 | Embolic coil conveying system |
| CN114699132A (en) * | 2022-03-31 | 2022-07-05 | 北京美中双和医疗器械股份有限公司 | A kind of surgical implant mechanical release device and release method |
| CN115137433A (en) * | 2022-04-25 | 2022-10-04 | 深圳佰特微医疗科技有限公司 | Embolization system |
| CN115462855A (en) * | 2022-08-16 | 2022-12-13 | 惠州市顺美医疗科技有限公司 | Release structure of intracranial spring ring and use method |
| CN106725697B (en) * | 2017-03-03 | 2023-07-14 | 上海微密医疗科技有限公司 | Multi-point electrolytic stripping system for stripping embolic material |
| CN118000817A (en) * | 2024-04-10 | 2024-05-10 | 北京泰杰伟业科技股份有限公司 | Catheter device capable of being electrolyzed and taken off |
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| CN110811736A (en) * | 2019-11-21 | 2020-02-21 | 浙江归创医疗器械有限公司 | A coil delivery system |
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| CN112006743A (en) * | 2020-09-24 | 2020-12-01 | 浙江归创医疗器械有限公司 | Spring ring pushing and locking device |
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| CN113729833A (en) * | 2021-09-30 | 2021-12-03 | 南京思脉德医疗科技有限公司 | Release mechanism capable of releasing spring ring |
| CN114469231B (en) * | 2022-01-27 | 2024-04-05 | 南京思脉德医疗科技有限公司 | Embolic coil conveying system |
| CN114469231A (en) * | 2022-01-27 | 2022-05-13 | 南京思脉德医疗科技有限公司 | Embolic coil conveying system |
| CN114699132A (en) * | 2022-03-31 | 2022-07-05 | 北京美中双和医疗器械股份有限公司 | A kind of surgical implant mechanical release device and release method |
| CN115137433A (en) * | 2022-04-25 | 2022-10-04 | 深圳佰特微医疗科技有限公司 | Embolization system |
| CN115137432A (en) * | 2022-04-25 | 2022-10-04 | 深圳佰特微医疗科技有限公司 | Embolization system |
| CN115137432B (en) * | 2022-04-25 | 2024-10-01 | 深圳佰特微医疗科技有限公司 | Embolic system |
| CN115137433B (en) * | 2022-04-25 | 2025-01-28 | 深圳佰特微医疗科技有限公司 | Embolization system |
| CN115462855B (en) * | 2022-08-16 | 2024-01-16 | 惠州市顺美医疗科技有限公司 | Release structure of intracranial spring ring and use method |
| CN115462855A (en) * | 2022-08-16 | 2022-12-13 | 惠州市顺美医疗科技有限公司 | Release structure of intracranial spring ring and use method |
| CN118000817A (en) * | 2024-04-10 | 2024-05-10 | 北京泰杰伟业科技股份有限公司 | Catheter device capable of being electrolyzed and taken off |
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