CN110464968A - A kind of safe delivery device of seal wire and application method for vascular interventional treatment operation - Google Patents
A kind of safe delivery device of seal wire and application method for vascular interventional treatment operation Download PDFInfo
- Publication number
- CN110464968A CN110464968A CN201910807832.7A CN201910807832A CN110464968A CN 110464968 A CN110464968 A CN 110464968A CN 201910807832 A CN201910807832 A CN 201910807832A CN 110464968 A CN110464968 A CN 110464968A
- Authority
- CN
- China
- Prior art keywords
- seal wire
- delivery device
- sliding sleeve
- swivel nut
- safe delivery
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0127—Magnetic means; Magnetic markers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M25/09041—Mechanisms for insertion of guide wires
Abstract
The present invention relates to a kind of safe delivery devices of seal wire and application method for vascular interventional treatment operation, including, the outside of outer tube, the hollow tubular structures of both ends open, one end is socketed electromagnetic coil；Sliding sleeve, sliding sleeve are the hollow tubular structures of both ends open, and outer coaxial tube line, and pass through outer tube, and both ends are located at the outside of outer tube, and ferromagnet is socketed on the outside of one end of sliding sleeve, and ferromagnet is located at the side of close electromagnetic coil；Swivel nut is clamped, one end and sliding sleeve are cooperatively connected, and clamp swivel nut and are located at ferromagnetic opposite end, the other end shrinks to form clamping through-hole.It avoids puncturing vascular wall and causes time natural disposition tissue damage, can be used for the protection of the seal wire process of the blood vessel of different thicknesses.
Description
Technical field
The invention belongs to the field of medical instrument technology, and in particular to a kind of seal wire safety for vascular interventional treatment operation
Delivery device and application method.
Background technique
Disclosing the information of the background technology part, it is only intended to increase understanding of the overall background of the invention, without certainty
It is considered as recognizing or implying in any form that information composition has become existing skill well known to persons skilled in the art
Art.
With the raising of living standards of the people and population structure aging, the incidence of vascular system disease and lethal, cause
Residual rate rises year by year.With the progress of technology and medical instrument, the minimally-invasive treatment of medicine has become mainstream.It is either coronal dynamic
Arteries and veins, the cerebrovascular or peripheral blood vessel interventional therapy, seal wire are inevitable to endovascular dispensing and operation.Because vascular wall is more crisp
It is weak, if seal wire is launched and operation is firmly excessive, vascular wall can be punctured and cause time natural disposition tissue damage, or even directly result in operation and lose
It loses, jeopardizes the serious medicals accident such as patient vitals.
Existing seal wire clamping device is all fairly simple, and referenced patent (application number CN200720068371.9) is " for being situated between
Enter the guiding wire twister for the treatment of " it designs simply, it cannot be adjusted in the importing process of seal wire, be easy to appear danger, and
And corresponding protection cannot be provided for the blood vessel of different thicknesses.It is weaker according to the intensity of vascular wall, the power of the delivery of seal wire
It is smaller, with a gram several calculations.Doctor requires to contact feel repeatedly all the time, and in the case where wearing lead clothing, arm will overcome
Heavy lead clothing weight, seal wire deliver this one small bad assurance of power, are a Medical problems.
Summary of the invention
For above-mentioned problems of the prior art, it is an object of the present invention to provide one kind to perform the operation for vascular interventional treatment
The safe delivery device of seal wire and method.The device design automatically disengage mechanism, when seal wire deliver forward it is firmly excessive, or rotation
When turning to operate firmly excessive, seal wire retained part can be detached from outer tube automatic axial or rotational slide, play and avoid puncturing blood vessel
Wall causes time natural disposition tissue damage, or even directly results in operative failure, jeopardizes the serious medicals accident such as patient vitals.
In order to solve the above technical problems, the technical solution of the present invention is as follows:
A kind of safe delivery device of seal wire for vascular interventional treatment operation, including,
The outside of outer tube, the hollow tubular structures of both ends open, one end is socketed electromagnetic coil；
Sliding sleeve, sliding sleeve are the hollow tubular structures of both ends open, and outer coaxial tube line, and pass through outer tube, and both ends are located at outer
One end outside in the outside of pipe, sliding sleeve is socketed ferromagnet, and ferromagnet is located at close to the side of electromagnetic coil；
Swivel nut is clamped, one end and sliding sleeve are cooperatively connected, and clamp swivel nut and are located at ferromagnetic opposite end, the other end shrinks to be formed
Clamping through-hole.
It is powered to electromagnetic coil, ferromagnet is sucked against electromagnetic coil one end, operator by the attraction of electromagnetic coil at this time
Member's holding outer tube is acted forward backward, or outer tube is driven twisting action by electromagnetic attraction drive sliding sleeve at this time
Seal wire moves forward into blood vessel and launches or act backward or twisting action, and when axial-radial power is more than threshold values, ferromagnet is detached from electricity
Magnetic coil, sliding sleeve slide be equivalent to automatic clutch at this time, therefore seal wire is detached from power and shields, and control the power of seal wire at this time
It is electromagnetic attraction, because ferromagnet, departing from coil, electromagnetic force at this time becomes smaller with the power that becomes larger of sliding distance, plays
Protective effect.
The safe delivery device of seal wire of the invention is a kind of device for avoiding seal wire process from puncturing vascular wall.Seal wire passes through
Swivel nut, sliding sleeve are clamped, swivel nut is clamped and clamps, one end that seal wire stretches out the clamping through-hole of clamping swivel nut is operating side, due to leading
The clamping through-hole of the clamped swivel nut of silk is clamped, the variation that seal wire is subjected to displacement with swivel nut is clamped, when operator holds outer tube
Seal wire is pushed forward, due to the coil of outer tube and the ferromagnetic attraction of sliding sleeve, so seal wire follows outer tube to advance.
When the strength of hand is excessive, outer tube can be detached from sliding sleeve, at this time since outer tube does not drive sliding sleeve, so seal wire is simultaneously
Do not influenced by the biggish power of outer tube.Similarly it is also radially, by this state being temporarily disengaged from, obtains strength
Buffering has been arrived, the blood vessel of patient is not interfered with.
In some embodiments, the outer edge setting circular ring shape protrusion of one end of the separate electromagnetic coil of outer tube.
In some embodiments, the number of turns of electromagnetic coil is 20-110.
In some embodiments, ferromagnet is circular ring shape, and the diameter of annulus is 10-20mm.
Electromagnetic coil and ferromagnetic diameter influence the active force between ferromagnet and coil, between ferromagnet and coil
Active force cannot too greatly can not be too small, so the number of turns of electromagnetic coil and the diameter of annulus are that inventor rule of thumb sets
Fixed.When the active force of people is more than interaction force, electromagnetic coil and ferromagnet separation, if electromagnetic coil and ferromagnet it
Between active force it is too big, then the active force of people be more than blood vessel destructive power when, also do not play the role of buffering, just do not have
Meaning.
In some embodiments, the diameter of outer tube is 10-15mm, and the diameter of sliding sleeve is 5-10mm.
In some embodiments, the diameter for clamping the clamping through-hole of swivel nut is 0.08-1cm.
In some embodiments, the outside coaxial arrangement locking nut of one end of the clamping through-hole of swivel nut, locking screw are clamped
It is female to be threadedly coupled with clamping swivel nut.
In some embodiments, electromagnetic coil is connected to power supply by conducting wire, and the electric current of power supply is 0.3-0.8A.
In some embodiments, one end setting cross recess of the clamping through-hole of swivel nut is clamped.
The application method of the above-mentioned safe delivery device of seal wire, specific steps are as follows:
Seal wire is inserted into from one end of clamping through-hole and clamps swivel nut, when seal wire stretching sliding sleeve a distance, uses locking nut
It is tightened with swivel nut is clamped, makes ferromagnet closely electromagnetic coil, open power supply, adjust electric current.
Preferably, the size of electric current is 0.3-0.8A.Preferably, the number of turns size of electromagnetic coil is 20-110.Preferably,
The diameter of seal wire is 0.08-1cm.
Beneficial effects of the present invention:
A kind of safe delivery device of seal wire for vascular interventional treatment operation of the present invention, solves puzzlement doctor all the time
Raw problem avoids firmly excessive or maloperation, protects patient, while shortening the time of doctor's practice.Represent seal wire
The development trend of jettison system.The size of electromagnetic force, wide adaptation range can be adjusted according to different blood vessel.Seal wire is rotated simultaneously and is grasped
Also function to protective effect.
The safe delivery device of seal wire of the invention is adapted to the blood vessel of different thicknesses, the blood vessel of different thicknesses
Adjustment space and field of load are different, so the safe delivery device of seal wire of the invention can be directed to the blood at different positions
Different protections is arranged in pipe, to form the protection to blood vessel, avoids puncturing vascular wall.
The bad control of delivery power of seal wire, delivery device through the invention can be realized easier and deliver power size
Control.
Detailed description of the invention
The Figure of description for constituting a part of the invention is used to provide further understanding of the present application, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.
Fig. 1 is the safe delivery device structure sectional view of seal wire performed the operation for vascular interventional treatment；
Fig. 2 is the schematic perspective view for clamping swivel nut；
Wherein, 1, seal wire, 2, locking nut, 3, sliding sleeve, 4, clamping swivel nut, 5, ferromagnet, 6, outer tube, 7, electromagnetic coil,
8, conducting wire, 9, power supply, 10, cross recess.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the present invention.Unless another
It indicates, all technical and scientific terms used herein has usual with general technical staff of the technical field of the invention
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
A kind of safe delivery device of seal wire for vascular interventional treatment operation, including,
The outside of outer tube 6, the hollow tubular structures of both ends open, one end is socketed electromagnetic coil 7；
Sliding sleeve 3, sliding sleeve 3 are the hollow tubular structures of both ends open, and 6 coaxial line of outer tube, and pass through outer tube 6, both ends position
In the outside of outer tube 6, ferromagnet 5 is socketed on the outside of one end of sliding sleeve 3, ferromagnet 5 is located at close to the side of electromagnetic coil 7；
Swivel nut 3 is clamped, one end and sliding sleeve 3 are cooperatively connected, and 3 sets of the spiral shell opposite ends positioned at ferromagnet 5, the other end shrinks to be formed
Clamping through-hole.
As shown in Figure 1, outer tube 6 and sliding sleeve 3 are coaxially disposed, mutual rotation that can be radial between outer tube 6 and sliding sleeve 3, together
When the movement of axial certain distance may be implemented.Ferromagnet 5 is located at close to 7 side of electromagnetic coil, in order to electromagnetic coil 7
Form the interaction of electromagnetic force.
Electromagnetic coil 7 is fixedly connected with outer tube 6, and ferromagnet 5 is fixedly connected with sliding sleeve 3, electromagnetic coil 7 and ferromagnet 5
Position is fixed, to form mutual attraction.Ferromagnet 5 is able to drive sliding sleeve 3, clamping swivel nut 4 is subjected to displacement.6 energy of outer tube
Enough electromagnetic coil is driven to be subjected to displacement.
The outer edge setting circular ring shape protrusion of one end of the separate electromagnetic coil 7 of outer tube 6.The circular ring shape protrusion, helps
In hand-held operation.
The number of turns of electromagnetic coil 7 is 100.
Ferromagnet 5 is circular ring shape, and the diameter of annulus is 15mm.
The number of turns of electromagnetic coil 7 determines that the size of the magnetic force generated, the size of ferromagnet 5 determine ferromagnet and electromagnetic wire
The effect size of power between circle, so inventor is rule of thumb provided with the number of turns of electromagnetic coil and the diameter of annulus.
The diameter of outer tube 6 is 12.5mm, and the diameter of sliding sleeve 3 is 8mm.The connection type for clamping swivel nut 4 and sliding sleeve 3, can be with
To be threadedly coupled or being welded to connect, if it is threaded connection, external screw thread is set, clamping swivel nut 4 is arranged outer on the outside of one end of sliding sleeve 3
It is close with the diameter of sliding sleeve 3 to clamp swivel nut 4 if it is welded connecting for screw thread.
The diameter for clamping the clamping through-hole of swivel nut 4 is 0.08cm.
The diameter of clamping through-hole is matched with the diameter of seal wire, seal wire can be made to pass through, while making seal wire and clamping through-hole
Between form certain frictional force, be able to drive clamping swivel nut.
The outside for clamping one end of the clamping through-hole of swivel nut 4 is coaxially disposed locking nut 2, locking nut 2 and clamping swivel nut 4
It is threadedly coupled.
Electromagnetic coil 7 is connect by conducting wire 8 with power supply 9, and the electric current of power supply 9 is 0.5A.The electric current of power supply 9 also influences electromagnetism
Coil generate magnetic force size, the size of electric current as described above be inventor rule of thumb with continuous experimental summary, mistake
It is big or too small, do not have good buffer function.
Cross recess 10 is arranged in the one end for clamping the clamping through-hole of swivel nut 4.The effect of cross recess 10 is when clamping swivel nut and ten
When the lateral wall of word slot 10 is tightened, the clamping force of seal wire is enhanced, swivel nut is facilitated gripping by and drives seal wire.
A kind of application method of the safe delivery device of seal wire for vascular interventional treatment operation, specific steps are as follows:
Seal wire 1 is inserted into from one end of clamping through-hole and clamps swivel nut 4, when seal wire 1 stretches out 3 a distance of sliding sleeve, with locking
Nut 2 is tightened with swivel nut 4 is clamped, and makes closely electromagnetic coil 7 of ferromagnet 5, opens power supply 9, adjusts electric current.
Since seal wire 1 has certain hardness, so originally seal wire 1 exposes the length for clamping swivel nut 4 when holding outer tube
Cannot be too long, seal wire can carry out forward movement or the rotation of radial direction with outer tube.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of safe delivery device of seal wire for vascular interventional treatment operation, it is characterised in that: including,
The outside of outer tube, the hollow tubular structures of both ends open, one end is socketed electromagnetic coil；
Sliding sleeve, sliding sleeve are the hollow tubular structures of both ends open, and outer coaxial tube line, and pass through outer tube, and both ends are located at outer tube
One end outside in outside, sliding sleeve is socketed ferromagnet, and ferromagnet is located at close to the side of electromagnetic coil；
Swivel nut is clamped, one end and sliding sleeve are cooperatively connected, and clamp swivel nut and are located at ferromagnetic opposite end, the other end shrinks to form clamping
Through-hole.
2. the seal wire safe delivery device according to claim 1 for vascular interventional treatment operation, it is characterised in that: outer
The outer edge setting circular ring shape protrusion of one end of the separate electromagnetic coil of pipe.
3. the seal wire safe delivery device according to claim 1 for vascular interventional treatment operation, it is characterised in that: electricity
The number of turns of magnetic coil is 20-110.
4. the seal wire safe delivery device according to claim 1 for vascular interventional treatment operation, it is characterised in that: iron
Magnet is circular ring shape, and the diameter of annulus is 10-20mm.
5. the seal wire safe delivery device according to claim 1 for vascular interventional treatment operation, it is characterised in that: outer
The diameter of pipe is 10-15mm, and the diameter of sliding sleeve is 5-10mm.
6. the seal wire safe delivery device according to claim 1 for vascular interventional treatment operation, it is characterised in that: folder
The diameter of the clamping through-hole of tight swivel nut is 0.08-1cm.
7. the seal wire safe delivery device according to claim 1 for vascular interventional treatment operation, it is characterised in that: folder
The outside of one end of the clamping through-hole of tight swivel nut is coaxially disposed locking nut, and locking nut is threadedly coupled with swivel nut is clamped.
8. the seal wire safe delivery device according to claim 1 for vascular interventional treatment operation, it is characterised in that: electricity
Magnetic coil is connected to power supply by conducting wire, and the electric current of power supply is 0.3-0.8A.
9. the seal wire safe delivery device according to claim 8 for vascular interventional treatment operation, it is characterised in that: folder
Cross recess is arranged in one end of the clamping through-hole of tight swivel nut.
10. the application method of any safe delivery device of seal wire of claim 1-9, it is characterised in that: specific steps are as follows:
Seal wire is inserted into from one end of clamping through-hole and clamps swivel nut, when seal wire stretches out sliding sleeve a distance, with locking nut and folder
Tight swivel nut is tightened, and ferromagnet closely electromagnetic coil is made, and opens power supply, adjusts electric current；
Preferably, the size of electric current is 0.3-0.8A；
Preferably, the number of turns size of electromagnetic coil is 20-110；
Preferably, the diameter of seal wire is 0.08-1cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910807832.7A CN110464968B (en) | 2019-08-29 | 2019-08-29 | Guide wire safe delivery device for vascular interventional therapy operation and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910807832.7A CN110464968B (en) | 2019-08-29 | 2019-08-29 | Guide wire safe delivery device for vascular interventional therapy operation and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110464968A true CN110464968A (en) | 2019-11-19 |
| CN110464968B CN110464968B (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910807832.7A Active CN110464968B (en) | 2019-08-29 | 2019-08-29 | Guide wire safe delivery device for vascular interventional therapy operation and use method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203417395U (en) * | 2013-07-11 | 2014-02-05 | 山东贝诺斯医疗器械有限公司 | Drainage tube with external control type magnetic anti-block device |
| CN206715021U (en) * | 2016-11-18 | 2017-12-08 | 苏州恒瑞迪生医疗科技有限公司 | Seal wire turns round control device and equipment |
| CN108815680A (en) * | 2018-04-17 | 2018-11-16 | 杨延辉 | A kind of laparoscope direct-view is lower to guide stomach tube/jejunal nutrient canal placement location device |
-
2019
- 2019-08-29 CN CN201910807832.7A patent/CN110464968B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203417395U (en) * | 2013-07-11 | 2014-02-05 | 山东贝诺斯医疗器械有限公司 | Drainage tube with external control type magnetic anti-block device |
| CN206715021U (en) * | 2016-11-18 | 2017-12-08 | 苏州恒瑞迪生医疗科技有限公司 | Seal wire turns round control device and equipment |
| CN108815680A (en) * | 2018-04-17 | 2018-11-16 | 杨延辉 | A kind of laparoscope direct-view is lower to guide stomach tube/jejunal nutrient canal placement location device |
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| Publication number | Publication date |
|---|---|
| CN110464968B (en) | 2022-01-18 |
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