CN115462855B - 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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- CN115462855B CN115462855B CN202210985890.0A CN202210985890A CN115462855B CN 115462855 B CN115462855 B CN 115462855B CN 202210985890 A CN202210985890 A CN 202210985890A CN 115462855 B CN115462855 B CN 115462855B
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- 238000007917 intracranial administration Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title abstract description 20
- 238000009434 installation Methods 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims 2
- 206010002329 Aneurysm Diseases 0.000 description 13
- 239000004033 plastic Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 208000007536 Thrombosis 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
- 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
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 210000000265 leukocyte Anatomy 0.000 description 1
- 229910052697 platinum Inorganic materials 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
Classifications
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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)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurosurgery (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The invention relates to the technical field of spring coils, and discloses a releasing structure of an intracranial spring coil, which comprises a guide wire unit and a spring coil releasing unit arranged at one end of the guide wire unit, and also discloses a using method of the releasing structure of the intracranial spring coil.
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
Aneurysms are a common vascular disease that can cause rupture of the body of the aneurysm and bleeding of the arterial blood vessel if not treated in time, and seriously endanger the life safety of patients, because of the limited permanent expansion of arterial segments caused by lesions or injuries of arterial walls. The goal of the treatment of aneurysms is to reduce the risk of rupture of the aneurysm, and aneurysm embolization is now becoming an important way of aneurysm treatment, with coils being the medical device used to treat the aneurysm. The distal 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 a direct current is applied, the coil attracts negatively charged blood components (erythrocytes, leukocytes, platelets, etc.) to cause electrocoagulation, and thrombus is formed in the aneurysm.
Patent document publication CN110840509a discloses a spring coil double guide wire release 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, the release seal wire passes the trip of spring coil proximal end and polymer plastic sleeve pipe butt, carry the trip butt of seal wire and spring coil proximal end, through unique two seal wire mechanical cooperation, only need the withdrawal release seal wire can when releasing, when reducing part processing, assembly degree of difficulty, realized more stable, more efficient release.
The spring ring double-guide wire release system can send the spring ring into the aneurysm and mechanically release the spring ring when in use, but before the spring ring is sent into the aneurysm, the spring ring is inconvenient to be connected onto the guide wire and is only in contact with the proximal end of the spring ring by releasing the buckle, the fixation of the spring ring is completed, the polymer plastic sleeve can be easily rotated in the conveying process, and when the spring ring is rotated, the phenomenon that the release guide wire is not in contact with the contact surface of the polymer plastic sleeve can occur, so that the spring ring can be released.
Disclosure of Invention
The invention aims to provide a release structure of an intracranial spring ring, which comprises a guide wire unit and a spring ring release unit arranged at one end of the guide wire unit, wherein the spring ring can be tightly connected, and the spring ring can not fall off in the conveying process, so that the problem in the background technology is solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the release structure of the intracranial spring ring 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 release unit comprises a connecting column head and a release block piece movably arranged in the connecting column head, wherein a spring ring inserting hole is formed in one end of the connecting column head, an installation cavity is formed in the connecting column head, the installation cavity is communicated with the spring ring inserting hole through a connecting notch, a through hole is formed in one end of the installation cavity, the direction of an orifice of the through hole is opposite to that of the orifice of the spring ring inserting hole, a positioning chute rail is formed in 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 release block piece arranged in the installation cavity;
the release 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.
Further, 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.
Further, a positioning channel is formed in the side wall of the mounting 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 communication pipeline is fixedly arranged at one end of the air pipe, a cavity block is fixedly connected to the other end of the communication pipeline, an air outlet is formed in a pore canal of a spring ring plug hole, an air guide channel is formed in a connecting column head, 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.
Further, the positioning moving block piece comprises a base block movably arranged in the mounting 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 in the positioning channel.
Further, a connecting groove cavity for connecting the abutting piece is formed in the base block, and limiting notches are formed in two sides of the connecting groove cavity.
Further, the locating piece comprises a locating insert block fixedly connected to the base block and push posts fixedly arranged on two sides of the upper end of the locating insert block, one end of each push post is fixedly connected with a rubber sealing push plate, the push posts arranged on two sides of the locating insert 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 the base block is matched with the width of the cavity of the installation cavity, the height of the base block is matched with the depth of the cavity of the installation cavity, and the width of the positioning insert block is matched with the width of the positioning channel groove body.
Further, the block supporting piece comprises a block supporting body movably inserted and installed in the connecting groove cavity, an inward concave supporting surface is formed at one end of the block supporting body, positioning column heads are fixedly arranged on the upper end face and the lower end face of the block supporting body, the positioning column heads are fixedly connected in the positioning chute rails, limit strips are fixedly arranged at two sides of one end, inserted into the connecting groove cavity, of the block supporting body, and the limit strips are movably clamped in the limit notch.
The method for using the release structure of the intracranial spring ring is based on the release structure of the intracranial spring ring, and concretely comprises the following steps:
s01: the guide wire body is pulled, the positioning moving block piece moves in the mounting 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: releasing the wire guide body, returning the positioning moving block piece under the action of the vacuum cylinder, and enabling the abutting block piece to move along with the positioning moving block piece and extend out of the connecting groove cavity to abut against one end of the spring ring inserted into the spring ring inserting hole;
s04: feeding a spring coil release unit connected with a spring coil into the aneurysm by pushing the first guide wire;
s05: the guide wire body is pulled, the positioning moving block piece moves in the mounting cavity, the abutting block piece moves along with the positioning moving block piece and retracts into the connecting groove cavity, one end of the spring ring is not abutted, and the spring ring is released.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the release structure of the intracranial spring ring and the use method thereof, the positioning moving block piece with the abutting block piece is movably inserted and installed on one side of the positioning moving block piece in the installation cavity formed in the connecting column head, one end of the abutting block piece stretches into the spring ring inserting hole, the connecting guide wire arranged by the second guide wire is connected with the positioning moving block piece, when the spring ring needs to be conveyed, the guide wire body is pulled first, the positioning moving block piece moves in the installation cavity, the positioning column head arranged by the abutting block piece is positioned and connected in the positioning chute rail formed in the groove wall of the connecting groove, when the abutting block piece moves along with the positioning moving block piece, the abutting block piece is retracted into the connecting groove cavity due to the limit of the positioning chute rail, at the moment, the space of the spring ring inserting hole is enlarged, one end of the spring ring is conveniently inserted into the spring ring inserting hole, the guide wire body is loosened, the inside the vacuum cylinder is released after the connecting guide wire is compressed by the rubber sealing push plate, the abutting block piece which moves along with the positioning moving block piece stretches out of the connecting groove cavity in the moving process, the space of the spring ring is reduced, and the abutting block piece can not be connected with the spring ring tightly in the connecting slot groove wall, and the spring ring can be conveniently conveyed.
2. The invention provides a release structure of an intracranial spring ring and a use method thereof, wherein a positioning inserting block with push posts arranged at two sides of the upper end is fixedly connected to a base block, the push posts arranged at two sides of the positioning inserting block are respectively inserted into a vacuum cylinder and a gas pipe, a rubber sealing push plate is arranged in the vacuum cylinder and the gas pipe, when a wire guide body is pulled to enable a positioning moving block 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 gas pipe, when the wire guide body is released, the positioning moving block returns, the push posts in the gas pipe move to the other end of the gas pipe, and blow out gas from the gas pipe, and blow out from a gas outlet arranged in a spring ring inserting hole through a gas guide channel, the blown out gas blows the end of the spring ring into the spring ring inserting hole to be attached to the spring ring inserting hole, and the phenomenon that the wire guide body returns and the end of the spring ring is taken out from a connecting groove cavity is prevented.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a guide wire unit structure according to the present invention;
FIG. 3 is a schematic view of the structure of the connecting stud of the present invention;
FIG. 4 is a schematic view of the structure of the spring coil insert holes, mounting cavities and attachment slots of the present invention;
FIG. 5 is a schematic view of the connection structure of the disconnecting block and the connecting column head according to the present invention;
FIG. 6 is an enlarged view of FIG. 5 at A;
FIG. 7 is a schematic view of a release block according to the present invention;
FIG. 8 is a cross-sectional view of the connection of the disengagement block with 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 trip structure for an intracranial spring coil.
In the figure: 1. a guide wire unit; 11. double sleeves; 12. a first guidewire; 13. a second guidewire; 131. a guide wire body; 132. connecting a guide wire; 2. a spring coil release unit; 21. a connecting column head; 211. a spring ring plug hole; 212. a mounting cavity; 213. a connecting notch; 214. a through hole; 215. positioning chute rails; 201. positioning the channel; 202. a vacuum cylinder; 203. an air pipe; 204. a communication pipe; 205. a cavity block; 206. an air duct; 207. an air outlet; 22. releasing the block; 221. positioning the moving block; 301. a base block; 302. positioning block pieces; 303. a connecting groove cavity; 304. a limit notch; 501. positioning the insert block; 502. pushing a column; 503. a rubber sealing push plate; 222. a block supporting piece; 401. a block abutting body; 402. a concave abutting surface; 403. positioning column heads; 404. and a limit strip.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 9, an intracranial spring coil releasing structure comprises a guide wire unit 1 and a spring coil releasing unit 2 arranged at one end of the guide wire unit 1, wherein 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 release unit 2 comprises a connecting column head 21 and a release block piece 22 movably arranged in the connecting column head 21, wherein a spring ring inserting hole 211 is formed at one end of the connecting column head 21, an installation cavity 212 is formed in the connecting column head 21, the installation cavity 212 is communicated with the spring ring inserting hole 211 through a connecting notch 213, a through hole 214 is formed at one end of the installation cavity 212, the orifice of the through hole 214 faces opposite to the orifice of the spring ring inserting hole 211, a positioning chute rail 215 is formed on the wall of the connecting notch 213, 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 into the through hole 214 and connected with the release block piece 22 arranged in the installation cavity 212;
the releasing block 22 comprises a positioning moving block 221 arranged in the mounting cavity 212 and a supporting block 222 movably inserted and mounted on one side of the positioning moving block 221, and the other end of the supporting block 222 extends into the spring ring inserting hole 211 through the connecting notch 213.
Referring to fig. 2, the second guide wire 13 includes a guide wire body 131 inserted in the double sleeve 11 and a connection guide wire 132 fixedly disposed at one end of the guide wire body 131, where the connection guide wire 132 is inserted in 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 communication pipeline 204 is fixedly arranged at one end of the air pipe 203, a cavity block 205 is fixedly connected at the other end of the communication pipeline 204, an air outlet 207 is formed in a pore canal of a spring ring inserting hole 211, an air guide channel 206 is formed in a connecting column head 21, one end of the air guide channel 206 is communicated with the cavity block 205, the other end of the air guide channel is communicated with the air outlet 207, a positioning plug block 501 with push posts 502 at two sides of the upper end is fixedly connected to a base block 301, push posts 502 at two sides of the positioning plug block 501 are respectively inserted into the vacuum cylinder 202 and the air pipe 203, and a rubber sealing push plate 503 is arranged in the vacuum cylinder 202 and the air pipe 203, when the air guide posts 131 are pulled to enable the positioning moving block 221 to move in the mounting cavity 212, the vacuum cylinder 202 is compressed to increase pressure in the vacuum cylinder 202, the other side push posts 502 move to one end of the air pipe 203, one end of the air guide post 502 is communicated with the cavity block 203, when the air guide posts 502 are opened to the air pipe 203 and the air guide posts 203 are blown out of the spring ring 203 from the air pipe 203, and the air guide hole 203 is ejected from the end of the air pipe 203, and the air guide block 203 is ejected from the air pipe 203, and the end of the spring ring 203 is ejected from the air guide hole 203.
The positioning moving block 221 comprises a base block 301 movably mounted in the mounting cavity 212 and a positioning block 302 fixedly connected to the upper end face and the lower end face of the base block 301, the positioning block 302 is movably connected in the positioning channel 201, a connecting groove cavity 303 for connecting the block abutting piece 222 is formed in the base block 301, limit notches 304 are formed in two sides of the connecting groove cavity 303, the positioning block 302 comprises a positioning insert 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 501, one end of each push column 502 is fixedly connected with a rubber sealing push plate 503, the push columns 502 arranged on two sides of the positioning insert 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 mounting cavity 212, the height of the base block 301 is matched with the depth of the mounting cavity 212, and the width of the positioning insert 501 is matched with the width of the groove body of the positioning channel 201.
The abutting block piece 222 comprises an abutting block 401 movably inserted and installed in the connecting groove cavity 303, an inward concave abutting surface 402 is formed at one end of the abutting block 401, positioning column heads 403 are fixedly arranged on the upper end surface and the lower end surface of the abutting block 401, the positioning column heads 403 are fixedly connected in the positioning chute rails 215, limiting strips 404 are fixedly arranged at two sides of one end of the abutting block 401 inserted and installed in the connecting groove cavity 303, the limiting strips 404 are movably clamped in the limiting notch 304, a positioning moving block piece 221 with one side movably inserted and installed with the abutting block piece 222 is movably installed in an installation cavity 212 formed in the connecting column head 21, one end of the abutting block piece 222 extends into a spring ring inserting hole 211, a connecting guide wire 132 arranged by a second guide wire 13 is connected with the positioning moving block piece 221, when a spring ring needs to be conveyed, the guide wire 131 is pulled first, the positioning moving block piece 221 moves in the installation cavity 212, the positioning column head 403 arranged on the abutting block 401 is positioned and connected in the positioning chute rail 215 arranged on the groove wall of the connecting groove 213, when the abutting block 222 moves along with the positioning moving block 221, the abutting block 401 is retracted into the connecting groove cavity 303 due to the limit of the positioning chute 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 guide wire 131 is loosened, the vacuum cylinder 202 is released after being compressed by the rubber sealing push plate 503, the positioning moving block 221 returns under the thrust of the vacuum cylinder 202, the abutting block 401 moving along with the positioning moving block 221 stretches out of the connecting groove cavity 303 in the moving process, the space of the spring ring inserting hole 211 is reduced, the inner concave abutting surface 402 of the abutting block 401 abuts against the spring ring, the spring ring can be fixedly connected in the connecting column head 21, the spring ring is conveniently connected and fixed, meanwhile, the spring ring can not fall off in the conveying process.
Referring to fig. 10, a method for using a trip structure of an intracranial spring coil, which is based on the trip structure of the intracranial spring coil, specifically comprises the following steps:
s01: pulling the wire guide body 131, moving the positioning moving block 221 in the mounting cavity 212, and moving the abutting block 222 along with the positioning moving block 221 and retracting into the connecting groove cavity 303;
s02: inserting one end of the spring coil into the spring coil insertion hole 211;
s03: releasing the wire guide body 131, returning the positioning moving block piece 221 under the action of the vacuum cylinder 202, and enabling the abutting block piece 222 to move along with the positioning moving block piece 221 and extend 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: feeding the coil release unit 2 with the attached coils into the aneurysm by pushing the first guidewire 12;
s05: the guide wire body 131 is pulled, the positioning moving block piece 221 moves in the mounting 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, so that one end of the spring ring is not abutted any more, and the spring ring is released.
Working principle: when the spring ring needs to be conveyed, the guide wire body 131 is pulled firstly, the positioning moving block piece 221 moves in the mounting cavity 212, the positioning column head 403 arranged on the abutting block piece 401 is positioned and connected in the positioning chute rail 215 arranged on the groove wall of the connecting groove 213, when the abutting block piece 222 moves along with the positioning moving block piece 221, the abutting block piece 401 retracts into the connecting groove cavity 303 due to the limit of the positioning chute rail 215, at the moment, the space of the spring ring inserting hole 211 becomes larger, one end of the spring ring is conveniently inserted into the spring ring inserting hole 211, the guide wire body 131 is loosened, the vacuum cylinder 202 is released after being compressed by the rubber sealing push plate 503, the positioning moving block piece 221 returns under the thrust of the vacuum cylinder 202, the abutting block 401 moving along with the positioning moving block piece 221 stretches out of the connecting groove cavity 303 in the moving process, and the inner concave abutting surface 402 of the abutting block piece 401 abuts against the spring ring, so that the spring ring can be fixedly connected in the connecting column head 21, the spring ring is conveniently connected and fixed, and meanwhile, the spring ring cannot fall off in the conveying process; when the guide wire body 131 is pulled to move the positioning moving block 221 in the mounting cavity 212, the pushing 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 pushing column 502 on the other side moves to one end of the air pipe 203, when the guide wire body 131 is loosened and the positioning moving block 221 returns, the pushing column 502 in the air pipe 203 moves to the other end of the air pipe 203 and blows out air from the air pipe 203, and the air is blown out from the air outlet 207 formed in the spring coil inserting hole 211 through the air guide channel 206, the blown out air blows the end part of the spring coil inserted into the spring coil inserting hole 211 to be attached to the spring coil inserting hole 211, and the phenomenon that the abutting block 401 returns and the end part of the spring coil is taken out from the spring coil inserting hole 211 when the abutting block 401 stretches out from the connecting groove cavity 303 is prevented.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 (5)
1. The utility model provides a tripping structure of intracranial spring coil, includes seal wire unit (1) and sets up spring coil tripping unit (2) in seal wire unit (1) one end, its characterized in that: the guide wire unit (1) comprises a double sleeve (11), and a first guide wire (12) and a second guide wire (13) which are inserted into the double sleeve (11);
the spring ring release unit (2) comprises a connecting column head (21) and a release block (22) movably arranged in the connecting column head (21), wherein a spring ring inserting hole (211) is formed in one end of the connecting column head (21), an installation cavity (212) is formed in the connecting column head (21), the installation cavity (212) is communicated with the spring ring inserting hole (211) through a connecting notch (213), a through hole (214) is formed in one end of the installation cavity (212), the orifice of the through hole (214) faces opposite to the orifice of the spring ring inserting hole (211), a positioning chute rail (215) is formed in 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 into the through hole (214) and connected with the release block (22) arranged in the installation cavity (212).
The release block (22) comprises a positioning moving block (221) arranged in the mounting cavity (212) and a supporting block (222) movably inserted and mounted on one side of the positioning moving block (221), and the other end of the supporting block (222) extends into the spring ring inserting hole (211) through the connecting notch (213);
the positioning moving block (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), and the positioning block pieces (302) are movably connected in the positioning channel (201);
a connecting groove cavity (303) for connecting the abutting block piece (222) is formed in the base block (301), and limit notches (304) are formed in two sides of the connecting groove cavity (303);
the block supporting piece (222) comprises a block supporting body (401) movably inserted and installed in the connecting groove cavity (303), a concave supporting surface (402) is formed at one end of the block supporting body (401), positioning column heads (403) are fixedly arranged on the upper end face and the lower end face of the block supporting body (401), the positioning column heads (403) are fixedly connected in the positioning chute rail (215), limit bars (404) are fixedly arranged at two sides of one end, inserted into the connecting groove cavity (303), of the block supporting body (401), and the limit bars (404) are movably clamped in the limit grooves (304).
2. The trip structure of an intracranial spring coil as recited in 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 fixedly connected with the positioning moving block (221).
3. The trip structure of an intracranial spring coil as recited in claim 1, wherein: the utility model discloses a vacuum pump, including installation cavity (212) and air inlet, locating channel (201) has been seted up on the lateral wall of installation cavity (212) to set up vacuum cylinder (202) at the one end of locating channel (201) is fixed, sets up trachea (203) at the other end of locating channel (201), and set up communication pipeline (204) at the one end of trachea (203) is fixed, and the other end fixedly connected with cavity piece (205) of communication pipeline (204), set up gas outlet (207) in the pore canal of spring coil spliced eye (211), and set up air duct (206) in connecting column cap (21), the one end and cavity piece (205) intercommunication of air duct (206), the other end and gas outlet (207) intercommunication.
4. A trip structure for an intracranial spring coil as recited in claim 3, wherein: the positioning block piece (302) comprises a positioning insert block (501) fixedly connected to the base block (301) and pushing posts (502) fixedly arranged on two sides of the upper end of the positioning insert block (501), one end of each pushing post (502) is fixedly connected with a rubber sealing pushing plate (503), the pushing posts (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 pushing plates (503) are arranged in the vacuum cylinder (202) and the air pipe (203).
5. The trip structure of an intracranial spring coil as recited in claim 4, wherein: the width of the base block (301) is matched with the width of the cavity of the mounting cavity (212), the height of the base block (301) is matched with the depth of the cavity of the mounting cavity (212), and the width of the positioning insert block (501) is matched with the width of the groove body of the positioning channel (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210985890.0A CN115462855B (en) | 2022-08-16 | 2022-08-16 | Release structure of intracranial spring ring and use method |
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| CN115462855A (en) | 2022-12-13 |
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