CN117045303B - Wire changing device of embolic coil conveying system - Google Patents
Wire changing device of embolic coil conveying system Download PDFInfo
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- CN117045303B CN117045303B CN202311033389.5A CN202311033389A CN117045303B CN 117045303 B CN117045303 B CN 117045303B CN 202311033389 A CN202311033389 A CN 202311033389A CN 117045303 B CN117045303 B CN 117045303B
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- wire
- traction
- clamping
- embolic coil
- changing device
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- 230000003073 embolic effect Effects 0.000 title claims abstract description 33
- 238000003825 pressing Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000000306 component Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 8
- 229910001000 nickel titanium Inorganic materials 0.000 description 8
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 206010002329 Aneurysm Diseases 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012503 blood component Substances 0.000 description 1
- 210000001772 blood platelet Anatomy 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009297 electrocoagulation Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 210000003743 erythrocyte Anatomy 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 210000000265 leukocyte Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 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
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, 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
- A61B17/12145—Coils or wires having a pre-set deployed three-dimensional shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, 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, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
Abstract
The invention provides a wire changing device of an embolic coil conveying system, belonging to the technical field of medical instrument production and processing; the device comprises a support base, wherein a clamping assembly is arranged on the support base and used for clamping the outer tube; the support base is also provided with a traction component which is used for continuously and uniformly traction the stripping wires after doubling to carry out stripping wire replacement, and the traction component and the clamping component are arranged in parallel along a first direction; the technical problems of low success rate of manual wire replacement, high labor cost and low production efficiency of the traditional embolic coil conveying system are solved.
Description
Technical Field
The invention belongs to the technical field of medical instrument production and processing, and particularly relates to a wire changing device of an embolic coil conveying system.
Background
The coil is a medical device for treating aneurysms. The spring ring is connected with the stainless steel guide wire and can be directly sent into the aneurysm. When direct current is supplied, the spring ring attracts negatively charged blood components (red blood cells, white blood cells, platelets and the like) to cause electrocoagulation, thrombus is formed in the aneurysm, and meanwhile, the connection part of the spring ring and the stainless steel guide wire is dissolved due to electrolysis, so that the spring ring is released and left in the aneurysm.
Patent application CN114469231a discloses an embolic coil delivery system for delivering coils into an aneurysm in a patient, the delivery system essentially comprising an outer tube having a release wire (i.e. a stainless steel guidewire) mounted therein and a release assembly, with an implant (i.e. a coil) disposed at the distal end of the release assembly.
In the process of producing and processing the spring ring conveying system, due to the production process requirement, the stripping wire is required to be made of nickel-titanium materials in the previous working procedure, and the nickel-titanium wire is replaced by the stainless steel wire in the later period of the production working procedure. The existing nickel-titanium wire replacement mode is manual replacement. During manual replacement, firstly, a stainless steel wire is welded on a nickel-titanium wire to be replaced (the procedure is called doubling) at the proximal end of an outer tube, and then two operators are required to perform replacement operation. In the operation process, one worker is required to pull the outer tube from the proximal end, the other worker pulls the nickel titanium wire after doubling from the distal end, the stainless steel wire is pulled into the outer tube from the proximal end until the replacement of the release wire is completed after the outer tube is extended from the distal end, but the following problems exist in the manual pulling and replacing wire:
1. because the length of the outer tube of the whole conveying system is more than 1.8 meters, the whole conveying system needs to be pulled slowly and for a long time, and uneven force is easily applied in the pulling process, so that the situation that wire breakage occurs when wire stripping cannot be completed at a uniform speed in the wire replacement process is caused, the product is scrapped, and the wire replacement success rate is low;
2. the mode operation degree of difficulty of manual work trades the silk is big, and is higher to workman's working skill requirement, leads to high and the production efficiency low of cost of labor.
Accordingly, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The invention aims to provide a wire changing device of an embolic coil conveying system, which aims to solve the technical problems of low success rate of manual wire changing, high labor cost and low production efficiency of the existing embolic coil conveying system.
In order to achieve the above purpose, the invention provides the technical proposal that the wire changing device of the embolic coil conveying system comprises the following components:
the wire changing device of the embolic coil conveying system comprises a supporting base, wherein a clamping assembly is arranged on the supporting base and used for clamping an outer tube; the support base is also provided with a traction component for continuously and uniformly dragging the stripping wires to carry out stripping wire replacement after doubling, and the traction component and the clamping component are arranged in parallel along a first direction.
As a further optimized technical scheme: the traction assembly comprises a driving wheel and a driven wheel which are oppositely arranged along a vertical first direction, the driven wheel is rotatably arranged on the supporting base, the driving wheel is connected with a rotation driving source and used for driving the driving wheel to rotate, and the driven wheel is in transmission fit with the driving wheel through a stripping wire between the driving wheel and the driven wheel.
As a further optimized technical scheme: the traction assembly further comprises a lifting structure, and the lifting structure is connected with the rotation driving source and used for driving the driving wheel to lift so as to adjust the distance between the driving wheel and the driven wheel.
As a further optimized technical scheme: the clamping assembly comprises a clamp and a clamping base, and the clamp and the clamping base are jointly used for clamping the outer tube when being closed on the clamping base; and a soft elastic supporting pad is arranged on the clamping base.
As a further optimized technical scheme: the traction assembly further comprises a traction supporting table, and the driven wheel is arranged below the traction supporting table and extends out of the top of the traction supporting table to be in transmission fit with the driving wheel; the traction supporting table is provided with a guide groove which is parallel to the first direction and is used for placing the releasing wire and limiting the movement track of the releasing wire.
As a further optimized technical scheme: the wire changing device of the embolic coil delivery system further comprises a positioning assembly arranged between the clamping assembly and the pulling assembly for defining the placement position of the outer tube.
As a further optimized technical scheme: the locating component comprises a locating plate, the locating plate is fixedly connected with the traction table, the guide groove extends through the locating plate, and a limiting block arranged perpendicular to the guide groove is arranged on the locating plate.
As a further optimized technical scheme: the two limiting blocks are arranged and are respectively and oppositely arranged at two sides of the guide groove; the opposite sides of the two limiting blocks are respectively provided with an inclined guide surface, and the two guide surfaces are used for jointly forming a guide opening with a large upper part and a small lower part.
As a further optimized technical scheme: the locating plate is movably connected with a pressing plate, and the pressing plate is used for preventing the wire from moving when the wire is released and walks.
As a further optimized technical scheme: the support base is further provided with a control part, a power supply, a filter and a remote control switch, wherein the power supply, the filter and the remote control switch are electrically connected with the control part, and the control part is connected with a rotation driving source and used for controlling rotation of the rotation driving source.
The beneficial effects are that: through using this device, can be with accomplishing the embolic coil conveying system of doubling and carry out the centre gripping fixedly through the centre gripping subassembly to with the distal end orientation pulling subassembly, pass the naked nickel titanium silk of distal end and pull the subassembly, later accomplish the wire change operation with nickel titanium silk pullout outer tube through starting pulling subassembly, replace artifical wire change through using the machine, eliminated the uncertain factor of manual control pulling force in the pulling process, thereby can incessantly even application of force until the wire change is accomplished, greatly improved the success rate of changing the silk, and reduced to artifical reliance, degree of mechanization is high and effectively improved production efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. Wherein:
FIG. 1 is a schematic diagram of the overall construction of a wire changing device of an embolic coil delivery system of the present invention;
FIG. 2 is a schematic illustration of the internal structure of a wire changing device of the embolic coil delivery system of the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is a schematic view, partially in section, of a positioning assembly of the present invention;
fig. 5 is a side view of a wire changing device of the embolic coil delivery system of the present invention.
In the figure: 1. a support base; 2. a driving wheel; 3. driven wheel; 4. a rotational drive source; 5. a lifting structure; 501. a fixing seat; 502. a rotating handle; 503. a lifting block; 504. a gear; 505. a rack; 6. a clamp; 7. clamping a base; 8. a soft elastic support pad; 9. pulling the supporting table; 10. a guide groove; 11. a positioning plate; 12. a limiting block; 1201. a guide surface; 13. a pressing plate; 14. a control unit; 15. a power supply; 16. a filter; 17. and (5) remotely controlling the switch.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
The invention will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
Embodiment 1 of a wire changing device for an embolic coil delivery system:
the invention provides a wire changing device of an embolic coil conveying system, which is characterized in that a supporting base is arranged, a clamping component is arranged on the supporting base to replace manual fixation, and a pulling component is arranged on the supporting base to replace manual pulling and wire changing, so that uncontrollable factors of manual pulling are eliminated in the pulling process, and force can be applied continuously and uniformly until wire changing is completed, the success rate of wire changing is improved, and the production efficiency is improved.
Specifically, as shown in fig. 1, the wire changing device of the embolic coil conveying system includes a supporting base 1 for supporting and fixing other components, so that the embolic coil conveying system is an integral device, and a clamping component and a pulling component are arranged on the supporting base 1 in parallel along a first direction, wherein the first direction refers to a length extending direction of the supporting base 1 in this embodiment. The clamping assembly is used for clamping the outer tube, the pulling assembly is used for continuously and uniformly pulling the stripping wire to carry out stripping wire replacement after doubling, and the clamping assembly and the pulling assembly are arranged in parallel, so that the outer tube is conveniently clamped and simultaneously pulled to change the wire.
As shown in fig. 4 and 5, the traction assembly specifically includes a driving wheel 2 and a driven wheel 3 which are oppositely arranged along a vertical first direction, the driven wheel 3 is rotatably mounted on the support base 1, the driving wheel 2 is connected with a rotation driving source 4, and in this embodiment, the rotation driving source 4 is in a combination form of a motor and a precise planetary reducer, and is used for driving the driving wheel 2 to rotate. When the traction assembly works, the stripping wire is placed between the driving wheel 2 and the driven wheel 3, the rotation driving source 4 drives the driving wheel 2 to rotate, the stripping wire moves through friction force between the driving wheel 2, and meanwhile, the driven wheel 3 rotates through friction force between the stripping wire and the driving wheel 3, so that the driven wheel 3 is in transmission fit with the driving wheel 2 through the stripping wire between the driving wheel 2 and the driven wheel 3.
In order to conveniently adjust the distance between the driving wheel 2 and the driven wheel 3, the traction assembly further comprises a lifting structure 5, and the rotation driving source 4 is connected with the lifting structure 5, namely, the rotation driving source is installed on the support base 1 through the lifting structure 5. In this embodiment, the lifting structure 5 specifically selects a form of a Z-axis dovetail groove rack-and-pinion sliding table, as shown in fig. 1 and 5, where the lifting structure 5 has a fixed seat 501, a rotating handle 502, a lifting block 503, a gear 504 and a rack 505, the bottom of the fixed seat 501 is fixedly connected with the supporting base 1, the gear 504 is installed in the fixed seat 501 in a rotating manner, and the gear 504 is fixedly connected with the rotating handle 502, so that the gear 504 is driven to rotate by driving the rotating handle 502, the lifting block 503 is in sliding fit with the fixed seat 501, the sliding position is in a form of dovetail groove and dovetail bump to ensure stability in the sliding process, where the rack 505 is fixedly connected with the lifting block 503, the rack 505 is meshed with the gear 504, so that the lifting block 503 can be driven to slide up and down along the fixed seat 501 by driving the rotation of the driving gear 504, the lifting driving source 4 is fixedly connected with the lifting block 503, thus, the purpose of adjusting the lifting of the driving source 4 can be achieved by adjusting the sliding block 503, and the distance between the driving wheel 2 and the driven wheel 3 can be adjusted. Therefore, after the distance between the driving wheel 2 and the driven wheel 3 is adjusted, the rotating speed of the rotating driving source 4 is constant, the wire can be pulled and separated at a constant speed, and the wire breakage can be effectively avoided.
The clamping assembly specifically comprises a clamp 6 and a clamping base 7, wherein the clamp 6 is a common vertical type rapid clamp, the clamping base 7 is arranged on the supporting base 1, and the clamp 6 and the clamping base 7 are jointly used for clamping the outer tube when being closed on the clamping base 7. In order to avoid damaging the outer tube during the process of clamping the outer tube by the clamp 6, a soft elastic supporting pad 8 is arranged on the clamping base 7, and in this embodiment, the supporting pad 8 is made of a silica gel material.
In order to better support the embolic coil conveying system, the traction assembly further comprises a traction supporting table 9, the driven wheel 3 is arranged below the traction supporting table 9, and an avoidance port for avoiding interference with the driven wheel 3 is formed in the traction supporting table 9, so that the driven wheel 3 extends out of the avoidance port at the top of the traction supporting table 9 and is in transmission fit with the driving wheel 2; the traction supporting table 9 is provided with a linear guide groove 10, and the guide groove 10 is parallel to the first direction and is used for placing the releasing wire and limiting the movement track of the releasing wire. Therefore, when the driving wheel 2 and the driven wheel 3 pull the release wires, the release wires can move in the guide groove 10 of the pulling support table 9, the release wires are supported, guided and limited by the guide groove 10, the movement can be smoother, and the bending condition in the pulling process is avoided.
As shown in fig. 2 and 3, the wire changing device of the embolic coil delivery system further comprises a positioning assembly disposed between the clamping assembly and the pulling assembly for defining a placement position of the outer tube. Therefore, the outer tube can be positioned quickly when being placed every time, the standardization of production is facilitated, and the production efficiency is improved. The positioning assembly specifically comprises a positioning plate 11, the positioning plate 11 is fixedly connected with the traction supporting table 9, the guide groove 10 extends through the positioning plate 11, and a limiting block 12 arranged in the vertical guide groove 10 is fixedly connected to the top surface of the positioning plate 11. When the embolic coil delivery system is placed, the distal end of the outer tube is adapted to abut against the side of the stopper 12 facing the gripping assembly and place the release wire in the guide groove 10 extending along the guide groove between the driving wheel 2 and the driven wheel 3.
In order to uniformly and stably limit the outer tube, two limiting blocks 12 are arranged, and the two limiting blocks 12 are respectively and oppositely arranged at two sides of the guide groove 10 as shown in fig. 3; in addition, two opposite sides of the limiting block 12 are respectively provided with an inclined guide surface 1201, and the two guide surfaces 1201 are used for jointly forming a guide opening with a large upper part and a small lower part, and the maximum width of the guide opening is smaller than the diameter of the outer tube, so that the wire releasing is conveniently arranged in the guide groove 10 through the guide opening. Thus, when the embolic coil delivery system is placed, the distal end of the outer tube can be abutted against the two limiting blocks 12, and simultaneously the bare release wire at the distal end of the outer tube can be placed in the guide groove 10 through the guide opening.
In order to prevent the vertical movement in the guide way during the walk of the release wire, the locating plate 11 is movably connected with the pressing plate 13, the pressing plate 13 is arranged on one side of the limiting block 12 facing the traction component, specifically, one end of the pressing plate 13 is hinged with the locating plate 11, after crossing the guide way 10, the other end is in buckling connection with the locating plate 11, thus when the outer tube is placed, the buckling position of the pressing plate 13 can be firstly opened and the pressing plate 13 can be rotated along the hinging position, the guide way 10 is opened, and the pressing plate 13 is buckled on the locating plate 11 after the release wire is placed.
In order to further facilitate the control and operation of the device of the invention, a control part 14, a power supply 15, a filter 16 and a remote control switch 17 can be arranged on the support base 1, the power supply 15, the filter 16 and the remote control switch 17 are electrically connected with the control part 14, the control part 14 is connected with the rotation driving source 4, and the control part 14 adopts common programs to control the rotation of the rotation driving source 4 and the time of the rotation, thereby further facilitating the operation and reducing the labor intensity.
When the device is used, a control program is installed in the control part 14, the distal end of the embolic coil conveying system needing wire replacement is abutted against the limiting block 12 to be clamped on the clamping assembly after wire doubling, the wire releasing is arranged to pass through the driving wheel 2 and the driven wheel 3, the distance between the driving wheel 2 and the driven wheel 3 is adjusted through the lifting structure 5, the wire releasing is clamped, the remote switch control 17 controls the power supply 15 to start, the control part 14 controls the rotation of the rotation driving source 4, the driving wheel 2 drives the wire releasing of the nickel titanium wire to move at a uniform speed, the wire replacement is completed after the rotation setting time, and the control part 14 controls the rotation driving source 4 to stop rotating automatically.
In other embodiments of the wire changing device of the embolic coil delivery system, the lifting structure may also employ a hydraulic vertical lift table, unlike embodiment 1.
In other embodiments of the wire changing device of the embolic coil delivery system, unlike embodiment 1, in this embodiment, the stopper may be one, where one stopper is disposed on one side of the guide groove, and one side of the end of the outer tube abuts the stopper when in use.
In other embodiments of the wire changing device of the embolic coil delivery system, unlike embodiment 1, in this embodiment the pressure plate is removably attached to the positioning plate, i.e., the pressure plate is removed from the positioning plate when the release wire is placed, and the pressure plate is mounted to the positioning plate after the release wire is placed.
It is to be understood that the above description is exemplary only and that the embodiments of the present application are not limited thereto.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, alternatives, and equivalents falling within the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The wire changing device of the embolic coil conveying system is characterized by comprising a supporting base (1), wherein a clamping assembly is arranged on the supporting base (1) and used for clamping an outer tube; the support base (1) is also provided with a traction component which is used for continuously and uniformly traction the stripping wires after doubling to carry out stripping wire replacement, and the traction component and the clamping component are arranged in parallel along a first direction;
the traction assembly comprises a driving wheel (2) and a driven wheel (3) which are oppositely arranged along a vertical first direction, the driven wheel (3) is rotatably arranged on a supporting base (1), the driving wheel (2) is connected with a rotation driving source (4) and is used for driving the driving wheel (2) to rotate, and the driven wheel (3) is in transmission fit with the driving wheel (2) through a release wire between the driving wheel (2) and the driven wheel (3);
the traction assembly further comprises a lifting structure (5), wherein the lifting structure (5) is connected with the rotary driving source (4) and used for driving the driving wheel (2) to lift so as to adjust the distance between the driving wheel (2) and the driven wheel (3);
the clamping assembly comprises a clamp (6) and a clamping base (7), and the clamp (6) and the clamping base (7) are jointly used for clamping the outer tube when being closed on the clamping base (7); a soft elastic supporting pad (8) is arranged on the clamping base (7);
the traction assembly further comprises a traction supporting table (9), and the driven wheel (3) is arranged below the traction supporting table (9) and extends out of the top of the traction supporting table (9) to be in transmission fit with the driving wheel (2); the traction supporting table (9) is provided with a guide groove (10), and the guide groove (10) is arranged parallel to a first direction and is used for placing the releasing wire and limiting the movement track of the releasing wire.
2. The wire changing device of an embolic coil delivery system of claim 1, further comprising a positioning assembly disposed between the gripping assembly and the pulling assembly for defining a placement position of the outer tube.
3. The wire changing device of an embolic coil delivery system of claim 2, wherein the positioning assembly comprises a positioning plate (11), the positioning plate (11) is fixedly connected with the pulling table, the guide groove (10) extends through the positioning plate (11), and a limiting block (12) arranged on the positioning plate (11) and perpendicular to the guide groove (10) is arranged.
4. A wire changing device of an embolic coil delivery system according to claim 3, wherein two of the stoppers (12) are provided, the two stoppers (12) being respectively provided on both sides of the guide groove (10) opposite each other; the opposite sides of the two limiting blocks (12) are respectively provided with an inclined guide surface (1201), and the two guide surfaces (1201) are used for jointly forming a guide opening with a large upper part and a small lower part.
5. A wire changing device of an embolic coil delivery system according to claim 3, wherein a pressing plate (13) is movably connected to the positioning plate (11), and the pressing plate (13) is used for preventing the wire from moving during the walk of the release wire.
6. The wire changing device of the embolic coil conveying system according to claim 1, wherein the supporting base (1) is further provided with a control part (14), a power supply (15), a filter (16) and a remote control switch (17), the power supply (15), the filter (16) and the remote control switch (17) are electrically connected with the control part (14), and the control part (14) is connected with a rotation driving source (4) and is used for controlling rotation of the rotation driving source (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311033389.5A CN117045303B (en) | 2023-08-16 | 2023-08-16 | Wire changing device of embolic coil conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311033389.5A CN117045303B (en) | 2023-08-16 | 2023-08-16 | Wire changing device of embolic coil conveying system |
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| Publication Number | Publication Date |
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| CN117045303A CN117045303A (en) | 2023-11-14 |
| CN117045303B true CN117045303B (en) | 2024-02-02 |
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| CN202311033389.5A Active CN117045303B (en) | 2023-08-16 | 2023-08-16 | Wire changing device of embolic coil conveying system |
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