CN115462855A - Release structure of intracranial spring ring and use method - Google Patents
Release structure of intracranial spring ring and use method Download PDFInfo
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- CN115462855A CN115462855A CN202210985890.0A CN202210985890A CN115462855A CN 115462855 A CN115462855 A CN 115462855A CN 202210985890 A CN202210985890 A CN 202210985890A CN 115462855 A CN115462855 A CN 115462855A
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- 238000007917 intracranial administration Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 claims description 30
- 206010002329 Aneurysm Diseases 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 13
- 210000003437 trachea Anatomy 0.000 claims 2
- 210000005056 cell body Anatomy 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000012503 blood component Substances 0.000 description 1
- 210000001772 blood platelet Anatomy 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009297 electrocoagulation Methods 0.000 description 1
- 230000010102 embolization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003743 erythrocyte Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 210000000265 leukocyte Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 208000019553 vascular disease Diseases 0.000 description 1
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- 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
- 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
-
- 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
- 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)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The invention relates to the technical field of spring coils, and discloses an intracranial spring coil release structure which comprises a wire guide unit and a spring coil release unit arranged at one end of the wire guide unit, and also discloses a use method of the intracranial spring coil release structure.
Description
Technical Field
The invention relates to the technical field of spring coils, in particular to a releasing structure of an intracranial spring coil and a using method thereof.
Background
An aneurysm is a persistent expansion of a localized arterial segment due to a lesion or injury of an arterial wall, and is a common vascular disease, and if the aneurysm is not treated in time, the rupture of a tumor body and arterial blood vessel bleeding can be caused, so that the life safety of a patient is seriously damaged. The goal of treating aneurysms is to reduce the risk of rupture of the aneurysm, and aneurysm embolization is now becoming an important modality for aneurysm treatment, and coils are medical devices used to treat aneurysms. The far end of the GDC is a platinum spring ring which is connected with a stainless steel guide wire and can be directly sent into the aneurysm. When direct current is applied, the coil attracts negatively charged blood components (red blood cells, white blood cells, platelets, etc.) to electrocoagulation, forming a thrombus within the aneurysm.
Patent document CN110840509A discloses a spring coil double-wire releasing system. Including the seal wire, the seal wire is including carrying the seal wire and releasing the seal wire, the release system still includes spring coil and polymer plastic sleeve pipe, release the seal wire and pass the release of spring coil near-end and detain and polymer plastic sleeve pipe butt, carry the release of seal wire and spring coil near-end and detain the butt, through the cooperation of unique two guide wire machinery, only need withdraw when releasing and release the seal wire can, when reducing the parts machining, the assembly degree of difficulty, realized more stable, more efficient release.
Above-mentioned two wire releasing systems of spring coil when using even can send into the aneurysm with the spring coil in and carry out mechanical releasing, but send into the aneurysm with the spring coil before in, inconvenient connect the spring coil on the seal wire, and only lean on releasing the dropout and carry out the butt with the spring coil near-end, the completion can take place to rotate the fixed easy polymer plastic sleeve pipe in transportation process to the spring coil, release the phenomenon that the seal wire can appear not offseting with polymer plastic sleeve pipe's butt face after rotating, make the spring coil can take place to drop.
Disclosure of Invention
The invention aims to provide an intracranial spring ring release structure which comprises a wire guide unit and a spring ring release unit arranged at one end of the wire guide unit, can tightly abut and connect spring rings, and can not cause the phenomenon of falling of the spring rings in the conveying process, thereby solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an intracranial spring ring release structure comprises a guide wire unit and a spring ring release unit arranged at one end of the guide wire unit, wherein the guide wire unit comprises a double sleeve, a first guide wire and a second guide wire which are inserted into the double sleeve;
the spring ring releasing unit comprises a connecting column head and a releasing block piece movably arranged in the connecting column head, one end of the connecting column head is provided with a spring ring inserting hole, the inside of the connecting column head is provided with an installation cavity, the installation cavity is communicated with the spring ring inserting hole through a connecting notch, one end of the installation cavity is provided with a through hole, the direction of an orifice of the through hole is opposite to that of an orifice of the spring ring inserting hole, a positioning inclined groove rail is arranged on the groove wall of the connecting notch, one end of a first guide wire is fixedly connected to the connecting column head, and one end of a second guide wire is inserted into the through hole and connected with the releasing block piece arranged in the installation cavity;
the disengaging block piece comprises a positioning moving block piece arranged in the mounting cavity and a supporting block piece movably inserted and mounted on one side of the positioning moving block piece, and the other end of the supporting block piece extends into the spring ring inserting hole through the connecting notch.
Furthermore, the second guide wire comprises a guide wire body inserted in the double sleeve and a connecting guide wire fixedly arranged at one end of the guide wire body, and the connecting guide wire is inserted in the through hole and fixedly connected with the positioning moving block piece.
Furthermore, a positioning channel is formed in the side wall of the installation cavity, a vacuum cylinder is fixedly arranged at one end of the positioning channel, an air pipe is fixedly arranged at the other end of the positioning channel, a communicating pipeline is fixedly arranged at one end of the air pipe, a cavity block is fixedly connected to the other end of the communicating pipeline, an air outlet is formed in a hole channel of the spring ring inserting hole, an air guide channel is formed in the head of the connecting column, one end of the air guide channel is communicated with the cavity block, and the other end of the air guide channel is communicated with the air outlet.
Furthermore, the positioning moving block piece comprises a base block movably arranged in the installation cavity and positioning block pieces fixedly connected to the upper end face and the lower end face of the base block, and the positioning block pieces are movably connected into the positioning channel.
Furthermore, a connecting groove cavity used for connecting the block abutting pieces is formed in the base block, and limiting notches are formed in two sides of the connecting groove cavity.
Furthermore, the locating block piece comprises a locating insertion block fixedly connected to the base block and push columns fixedly arranged on two sides of the upper end of the locating insertion block, one end of each push column is fixedly connected with a rubber sealing push plate, the push columns arranged on two sides of the locating insertion block are respectively inserted into the vacuum cylinder and the air pipe, and the rubber sealing push plates are arranged in the vacuum cylinder and the air pipe.
Further, the width of base block and the cavity width phase-match of installation cavity, and the height of base block and the cavity degree of depth phase-match of installation cavity, the width and the positioning channel groove body width phase-match of location inserted block.
Furthermore, support the piece and include that the activity is pegged graft and is installed the piece body that supports in the spread groove intracavity, offer the indent at the one end that supports the piece body and support the face to fixed the setting column cap on supporting the upper and lower both ends face of piece body, and the location column cap fixed connection is in the oblique groove rail of location, support the piece body and peg graft into the fixed spacing that sets up in one end both sides in spread groove intracavity, and spacing activity block is in spacing notch.
A method for using a release structure of an intracranial spring coil, the method for using the release structure of the intracranial spring coil is based on the release structure of the intracranial spring coil, and the method for using the release structure of the intracranial spring coil specifically comprises the following steps:
s01: the wire guide body is pulled, the positioning moving block piece moves in the installation cavity, and the abutting block piece moves along with the positioning moving block piece and retracts into the connecting groove cavity;
s02: inserting one end of the spring ring into the spring ring inserting hole;
s03: the wire guide body is loosened, the positioning moving block piece returns under the action of the vacuum cylinder, and the abutting block piece moves along with the positioning moving block piece and extends out of the connecting groove cavity to abut against one end of the spring ring inserted into the spring ring inserting hole;
s04: the spring ring releasing unit connected with the spring ring is conveyed into the aneurysm by pushing the first guide wire;
s05: pulling the wire guide body, the location removes the piece and removes in the installation cavity, supports the piece and follows the removal of location removes piece and retract the one end of spread groove intracavity no longer to supporting tightly the spring coil, accomplishes the release of spring coil.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a releasing structure and a using method of an intracranial spring ring, wherein a positioning moving block piece with a block abutting piece movably inserted and mounted on one side is movably mounted in a mounting cavity formed in the interior of a connecting column head, one end of the block abutting piece extends into a spring ring inserting hole, a connecting guide wire arranged on a second guide wire is connected with the positioning moving block piece, when the spring ring needs to be conveyed, a guide wire body is pulled firstly, so that the positioning moving block piece moves in the mounting cavity, a positioning column head arranged on the block abutting piece is connected in a positioning inclined groove rail formed on the groove wall of a connecting groove in a positioning mode, when the block abutting piece moves along with the positioning moving block piece, the block abutting piece retracts into the connecting groove cavity due to the limiting of the positioning inclined groove rail, the space of the spring ring inserting hole is enlarged, one end of the guide wire is conveniently inserted into the spring ring inserting hole, the spring ring is released after the vacuum cylinder is compressed by a rubber sealing push plate, so that the block moving along with the positioning moving block abutting moving block piece extends out of the connecting groove in the moving process, the space of the spring ring is reduced, the spring ring of the inserting hole, the spring ring is compressed by the rubber sealing push plate, and the spring ring, the connecting spring ring can be conveniently connected and the connecting ring, and the connecting spring ring can be connected in the connecting column head, and can be conveniently returned, and the connecting column head, and the connecting cylinder, and the connecting column head can be conveniently connected in the connecting column head, and can be connected.
2. The invention provides a releasing structure of an intracranial spring ring and a using method thereof.A positioning insertion block with push posts arranged on two sides of the upper end is fixedly connected on a base block, the push posts on two sides of the positioning insertion block are respectively inserted in a vacuum cylinder and an air tube, a rubber sealing push plate is arranged in the vacuum cylinder and the air tube, when a wire guide body is pulled to enable a positioning moving block piece to move in an installation cavity, the push posts on one side move in the vacuum cylinder and compress the vacuum cylinder to increase the pressure in the vacuum cylinder, the push posts on the other side move to one end of the air tube, when the wire guide body is loosened and the positioning moving block piece returns, the push posts in the air tube move to the other end of the air tube and blow out the air tube and spray out the air tube from an air outlet arranged in a spring ring inserting hole through an air guide passage, and the sprayed out air blows the end of the spring ring inserted in the spring ring inserting hole to be attached to the spring ring inserting hole, so as to prevent the phenomenon that the end of the spring ring is brought out from the spring ring inserting hole when a resisting block body returns and extends out from the connecting groove cavity.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a guide wire unit of the present invention;
FIG. 3 is a schematic view of a connecting stud structure according to the present invention;
FIG. 4 is a schematic structural view of a spring ring insertion hole, a mounting cavity and a connecting notch of the present invention;
FIG. 5 is a schematic view of the coupling structure of the disengagement block and the coupling stud of the present invention;
FIG. 6 is an enlarged view taken at A in FIG. 5;
FIG. 7 is a schematic view of the release block construction of the present invention;
FIG. 8 is a cross-sectional view of the connection of the disengagement block to the connection stud of the present invention;
FIG. 9 is an enlarged view of FIG. 8 at B;
FIG. 10 is a flow chart of a method of using a disengaged structure for an intracranial spring coil.
In the figure: 1. a guide wire unit; 11. double cannula; 12. a first guide wire; 13. a second guide wire; 131. a wire guide body; 132. connecting a guide wire; 2. a spring ring disengaging unit; 21. connecting the column head; 211. spring ring inserting holes; 212. a mounting cavity; 213. a connection notch; 214. a through hole; 215. positioning the sloted track; 201. a positioning channel; 202. a vacuum cylinder; 203. an air tube; 204. a communicating pipeline; 205. a cavity block; 206. an air guide passage; 207. an air outlet; 22. releasing the block; 221. positioning the moving block; 301. a base block; 302. positioning the block piece; 303. connecting the slot cavity; 304. a limiting notch; 501. positioning the insert block; 502. pushing the column; 503. a rubber sealing push plate; 222. a block abutting piece; 401. a block abutting body; 402. an inner concave butting surface; 403. positioning the column cap; 404. and (7) a limiting strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, a structure for releasing an intracranial spring ring includes a guide wire unit 1 and a spring ring releasing unit 2 disposed at one end of the guide wire unit 1, wherein the guide wire unit 1 includes a double-sleeve 11, and a first guide wire 12 and a second guide wire 13 inserted into the double-sleeve 11;
the spring ring releasing unit 2 comprises a connecting column head 21 and a releasing block 22 movably arranged in the connecting column head 21, one end of the connecting column head 21 is provided with a spring ring inserting hole 211, the inside of the connecting column head 21 is provided with a mounting cavity 212, the mounting cavity 212 is communicated with the spring ring inserting hole 211 through a connecting notch 213, one end of the mounting cavity 212 is provided with a through hole 214, the direction of the hole opening of the through hole 214 is opposite to that of the hole opening of the spring ring inserting hole 211, the groove wall of the connecting notch 213 is provided with a positioning inclined groove rail 215, one end of the first guide wire 12 is fixedly connected to the connecting column head 21, and one end of the second guide wire 13 is inserted in the through hole 214 and is connected with the releasing block 22 arranged in the mounting cavity 212;
the releasing block 22 includes a positioning moving block 221 disposed in the mounting cavity 212 and a resisting block 222 movably inserted and mounted on one side of the positioning moving block 221, and the other end of the resisting block 222 extends into the spring ring insertion hole 211 through the connecting notch 213.
Referring to fig. 2, the second guide wire 13 includes a guide wire body 131 inserted into the double-sleeve 11 and a connecting guide wire 132 fixedly disposed at one end of the guide wire body 131, and the connecting guide wire 132 is inserted into the through hole 214 and fixedly connected to the positioning moving block 221.
Referring to fig. 3-9, a positioning channel 201 is formed on a side wall of a mounting cavity 212, a vacuum cylinder 202 is fixedly arranged at one end of the positioning channel 201, an air pipe 203 is fixedly arranged at the other end of the positioning channel 201, a communicating pipe 204 is fixedly arranged at one end of the air pipe 203, a cavity block 205 is fixedly connected to the other end of the communicating pipe 204, an air outlet 207 is formed in a duct of a spring coil insertion hole 211, an air guide passage 206 is formed in a connecting column head 21, one end of the air guide passage 206 is communicated with the cavity block 205, the other end of the air guide passage is communicated with the air outlet 207, a positioning insertion block 501 provided with push columns 502 at two sides of the upper end is fixedly connected to a base block 301, push columns 502 at two sides of the positioning insertion block 501 are respectively inserted into the vacuum cylinder 202 and the air pipe 203, a rubber sealing push plate 503 is arranged in the vacuum cylinder 202 and the air pipe 203, when a positioning moving block piece 221 moves in the mounting cavity 212 by pulling a positioning moving body 131, the positioning moving block piece 502 moves in the vacuum cylinder 202 and compresses the vacuum cylinder 202 to increase pressure in the vacuum cylinder 202, the air guide coil is blown out of the air guide coil, the air guide coil 203 is blown out of the air guide coil, the air guide coil 211 and the air guide coil 211 is blown out of the air guide coil 211, and the air guide coil 211, the air guide coil 211 is blown out of the air guide coil 203, and the air guide coil 211, the air guide coil 203, the air guide coil 211 is blown out of the air guide coil 203, and the air guide coil 211.
The positioning moving block piece 221 comprises a base block 301 movably installed in the installation cavity 212 and positioning block pieces 302 fixedly connected to the upper end face and the lower end face of the base block 301, the positioning block pieces 302 are movably connected in the positioning channel 201, a connecting channel 303 used for being connected with the block abutting piece 222 is formed in the base block 301, limiting notches 304 are formed in two sides of the connecting channel 303, the positioning block pieces 302 comprise positioning insertion blocks 501 fixedly connected to the base block 301 and push columns 502 fixedly arranged on two sides of the upper end of the positioning insertion blocks 501, rubber sealing push plates 503 are fixedly connected to one ends of the push columns 502, the push columns 502 arranged on two sides of the positioning insertion blocks 501 are respectively inserted into the vacuum cylinder 202 and the air pipe 203, the rubber sealing push plates 503 are arranged in the vacuum cylinder 202 and the air pipe 203, the width of the base block 301 is matched with the width of the cavity of the installation cavity 212, the height of the base block 301 is matched with the depth of the installation cavity 212, and the width of the groove body 501 is matched with the width of the positioning channel 201.
The block piece 222 comprises a block body 401 movably inserted and installed in the connecting slot cavity 303, one end of the resisting block 401 is provided with an inner concave resisting surface 402, the upper and lower end surfaces of the resisting block 401 are fixedly provided with a positioning column cap 403, and the positioning column cap 403 is positioned and connected in the positioning inclined groove rail 215, the two sides of one end of the block body 401 inserted in the connecting groove cavity 303 are fixedly provided with a limit strip 404, the limit bar 404 is movably clamped in the limit notch 304, the positioning moving block 221 with one side movably inserted with the block-resisting piece 222 is movably arranged in the mounting cavity 212 arranged in the connecting column head 21, one end of the block-resisting piece 222 extends into the spring ring inserting hole 211, and the connecting guide wire 132 provided with the second guide wire 13 is connected with the positioning moving block 221, when the spring ring needs to be conveyed, the wire guide body 131 is pulled first, so that the positioning moving block piece 221 moves in the installation cavity 212, the positioning column head 403 arranged on the resisting block body 401 is positioned and connected in the positioning inclined groove rail 215 arranged on the groove wall of the connecting groove opening 213, when the resisting block piece 222 moves along with the positioning moving block piece 221, because the limit of the positioning inclined groove rail 215 enables the block body 401 to retract into the connecting groove cavity 303, the space of the spring ring inserting hole 211 is enlarged, one end of the spring ring is conveniently inserted into the spring ring inserting hole 211, the wire guide body 131 is loosened, the interior of the vacuum cylinder 202 is compressed by the rubber sealing push plate 503 and then released, so that the positioning moving block member 221 is returned under the thrust of the vacuum cylinder 202, the abutting block body 401 moving along with the positioning moving block member 221 extends out of the connecting groove cavity 303 in the moving process, the space of the spring ring inserting hole 211 is reduced, and the concave abutting surface 402 abutting against the block 401 abuts against the spring ring tightly, so that the spring ring can be fixedly connected into the connecting column head 21, the spring ring is conveniently and fixedly connected, and the phenomenon that the spring ring falls off cannot occur in the conveying process.
Referring to fig. 10, a method for using a releasing structure of an intracranial spring coil, which is based on the releasing structure of the intracranial spring coil, specifically comprises the following steps:
s01: the wire guide body 131 is pulled, the positioning moving block piece 221 moves in the installation cavity 212, and the abutting block piece 222 moves along with the positioning moving block piece 221 and retracts into the connecting groove cavity 303;
s02: one end of the spring ring is inserted into the spring ring inserting hole 211;
s03: the wire guide body 131 is loosened, the positioning moving block piece 221 returns under the action of the vacuum cylinder 202, and the abutting block piece 222 moves along with the positioning moving block piece 221 and extends out of the connecting groove cavity 303 to abut against one end of the spring ring inserted into the spring ring inserting hole 211;
s04: the spring ring releasing unit 2 connected with the spring ring is sent into the aneurysm by pushing the first guide wire 12;
s05: when the wire guide body 131 is pulled, the positioning moving block piece 221 moves in the installation cavity 212, and the abutting piece 222 moves along with the positioning moving block piece 221 and retracts into the connecting cavity 303 to stop abutting against one end of the spring ring, so that the release of the spring ring is completed.
The working principle is as follows: when the spring ring needs to be conveyed, the wire guide body 131 is pulled firstly, so that the positioning moving block piece 221 moves in the installation cavity 212, the positioning column head 403 arranged on the abutting block body 401 is connected in a positioning inclined groove rail 215 arranged on the groove wall of the connecting groove opening 213 in a positioning mode, when the abutting block piece 222 moves along with the positioning moving block piece 221, the abutting block body 401 retracts into the connecting groove cavity 303 due to the limiting of the positioning inclined groove rail 215, at the moment, the space of the spring ring inserting hole 211 is enlarged, one end of the spring ring is conveniently inserted into the spring ring inserting hole 211, the wire guide body 131 is loosened, the vacuum cylinder 202 is compressed by the rubber sealing push plate 503 and then released, so that the positioning moving block piece 221 returns under the thrust action of the vacuum cylinder 202, the abutting block body 401 moving along with the positioning moving block piece 221 extends out of the connecting groove cavity 303 in the moving process, the space of the spring ring inserting hole 211 is reduced, and the inner concave surface 402 of the abutting block body 401 abuts against the spring ring tightly, so that the spring ring can be fixedly connected with the connecting column head 21, the spring ring can be conveniently connected and fixed, and the spring ring can not fall off in the conveying process; when the wire guide body 131 is pulled to enable the positioning moving block member 221 to move in the mounting cavity 212, the push column 502 on one side moves in the vacuum cylinder 202 and compresses the vacuum cylinder 202 to increase the pressure in the vacuum cylinder 202, the push column 502 on the other side moves to one end of the air pipe 203, when the wire guide body 131 is loosened and the positioning moving block member 221 returns, the push column 502 in the air pipe 203 moves to the other end of the air pipe 203, air is blown out of the air pipe 203 and is ejected out of the air outlet 207 formed in the spring ring inserting hole 211 through the air guide channel 206, the ejected air blows the end portion of the spring ring inserted into the spring ring inserting hole 211 to be attached to the spring ring inserting hole 211, and the phenomenon that the end portion of the spring ring 303 is taken out of the spring ring inserting hole 211 when the abutting block body 401 returns and extends out of the connecting groove cavity is prevented.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (9)
1. The utility model provides an unsettled structure of encephalic spring coil, includes wire guide unit (1) and sets up spring coil unsettled unit (2) in wire guide unit (1) one end which characterized in that: the guide wire unit (1) comprises a double sleeve (11), a first guide wire (12) and a second guide wire (13) which are inserted into the double sleeve (11);
the spring ring releasing unit (2) comprises a connecting column head (21) and a releasing block piece (22) movably arranged in the connecting column head (21), one end of the connecting column head (21) is provided with a spring ring inserting hole (211), an installation cavity (212) is arranged in the connecting column head (21), the installation cavity (212) is communicated with the spring ring inserting hole (211) through a connecting notch (213), one end of the installation cavity (212) is provided with a through hole (214), the direction of the hole opening of the through hole (214) is opposite to that of the hole opening of the spring ring inserting hole (211), a positioning inclined groove rail (215) is arranged on the groove wall of the connecting notch (213), one end of a first guide wire (12) is fixedly connected to the connecting column head (21), and one end of a second guide wire (13) is inserted in the through hole (214) and connected with the releasing block piece (22) arranged in the installation cavity (212);
the releasing block piece (22) comprises a positioning moving block piece (221) arranged in the installation cavity (212) and a supporting block piece (222) movably inserted and installed on one side of the positioning moving block piece (221), and the other end of the supporting block piece (222) extends into the spring ring insertion hole (211) through the connecting notch (213).
2. The release structure for an intracranial spring of claim 1, wherein: the second guide wire (13) comprises a guide wire body (131) inserted in the double-sleeve (11) and a connecting guide wire (132) fixedly arranged at one end of the guide wire body (131), and the connecting guide wire (132) is inserted in the through hole (214) and is fixedly connected with the positioning moving block piece (221).
3. The release structure for an intracranial spring of claim 1, wherein: the utility model discloses a pneumatic spring ring air guide device, including installation cavity (212), one end of installation cavity (212) is seted up on the lateral wall, and the one end of locating channel (201) is fixed sets up vacuum cylinder (202), fixed trachea (203) that sets up in the other end of locating channel (201), and the fixed intercommunication pipeline (204) that sets up in the one end of trachea (203), the other end fixedly connected with chamber piece (205) of intercommunication pipeline (204), set up gas outlet (207) in the pore of spring ring spliced eye (211), and set up air guide way (206) in connecting column cap (21), the one end and the chamber piece (205) intercommunication of air guide way (206), the other end and gas outlet (207) intercommunication.
4. An intracranial spring coil release structure as defined in claim 3, wherein: the positioning moving block piece (221) comprises a base block (301) movably arranged in the installation cavity (212) and positioning block pieces (302) fixedly connected to the upper end face and the lower end face of the base block (301), and the positioning block pieces (302) are movably connected into the positioning channel (201).
5. The release structure for an intracranial spring as defined in claim 4, wherein: the base block (301) is internally provided with a connecting groove cavity (303) used for connecting the block abutting piece (222), and two sides of the connecting groove cavity (303) are provided with limiting notches (304).
6. The release structure for an intracranial spring as defined in claim 4, wherein: the positioning block piece (302) comprises a positioning insert block (501) fixedly connected to the base block (301) and push columns (502) fixedly arranged on two sides of the upper end of the positioning insert block (501), one ends of the push columns (502) are fixedly connected with rubber sealing push plates (503), the push columns (502) arranged on two sides of the positioning insert block (501) are respectively inserted into the vacuum cylinder (202) and the air pipe (203), and the rubber sealing push plates (503) are arranged in the vacuum cylinder (202) and the air pipe (203).
7. The release structure for an intracranial spring according to claim 6, wherein: the width of base block (301) and the cavity width phase-match of installation cavity (212), and the height of base block (301) and the cavity degree of depth phase-match of installation cavity (212), the width and the cell body width phase-match of positioning channel way (201) of location inserted block (501).
8. The release structure for an intracranial spring as defined in claim 6, wherein: the block abutting piece (222) comprises a abutting block body (401) movably installed in the connecting groove cavity (303) in an inserted mode, an inner concave abutting surface (402) is formed in one end of the abutting block body (401), positioning column heads (403) are fixedly arranged on the upper end face and the lower end face of the abutting block body (401), the positioning column heads (403) are connected in the positioning inclined groove rails (215) in a positioning mode, limiting strips (404) are fixedly arranged on two sides of one end, inserted into the connecting groove cavity (303), of the abutting block body (401), and the limiting strips (404) are movably clamped in the limiting groove openings (304).
9. A use method of a releasing structure of an intracranial spring ring is characterized in that: the use method of the release structure of the intracranial spring ring is based on the release structure of the intracranial spring ring, and the use method of the release structure of the intracranial spring ring specifically comprises the following steps:
s01: the wire guide body (131) is pulled, the positioning moving block piece (221) moves in the installation cavity (212), and the abutting block piece (222) moves along with the positioning moving block piece (221) and retracts into the connecting groove cavity (303);
s02: one end of the spring ring is inserted into the spring ring inserting hole (211);
s03: the wire guide body (131) is loosened, the positioning moving block piece (221) returns under the action of the vacuum cylinder (202), and the block abutting piece (222) moves along with the positioning moving block piece (221) and extends out of the connecting groove cavity (303) to abut against one end of the spring ring inserted into the spring ring inserting hole (211);
s04: the spring ring release unit (2) connected with the spring ring is sent into the aneurysm by pushing the first guide wire (12);
s05: the wire guide body (131) is pulled, the positioning moving block piece (221) moves in the installation cavity (212), the abutting block piece (222) moves along with the positioning moving block piece (221) and retracts into the connecting groove cavity (303) to stop abutting against one end of the spring ring, and releasing of the spring ring is completed.
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| CN202210985890.0A CN115462855B (en) | 2022-08-16 | 2022-08-16 | Release structure of intracranial spring ring and use method |
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| CN202210985890.0A CN115462855B (en) | 2022-08-16 | 2022-08-16 | Release structure of intracranial spring ring and use method |
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| CN115462855B (en) | 2024-01-16 |
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