CN220110251U - Guiding catheter bending adjusting driving device - Google Patents
Guiding catheter bending adjusting driving device Download PDFInfo
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- CN220110251U CN220110251U CN202321676002.3U CN202321676002U CN220110251U CN 220110251 U CN220110251 U CN 220110251U CN 202321676002 U CN202321676002 U CN 202321676002U CN 220110251 U CN220110251 U CN 220110251U
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- handle
- adapter
- guide catheter
- cover
- sliding block
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Abstract
The utility model relates to a guide catheter bending driving device which comprises a handle and a guide catheter, wherein a central piece is arranged in the middle of the handle, the central piece is arranged on a handle adapter, a stay wire mechanism is arranged on the central piece, an upper handle cover and a lower handle cover are buckled on two sides of the stay wire mechanism, a knob is arranged above the stay wire mechanism and is meshed with the stay wire mechanism for transmission, a steering pulley is arranged on a pulley installation boss of the central piece, the proximal end of the guide catheter is inserted into the central piece, the first ends of stay wires on two sides of the guide catheter are connected with the distal end of the guide catheter, and the second ends of the guide catheter penetrate through stay wire channels on a guide catheter body, guide grooves of the central piece and through holes on a sliding block to be fixed on the sliding block. According to the utility model, the rotation knob is meshed with the stay wire mechanism, so that the stay wire is controlled to apply force to the distal end of the guide catheter, the distal end of the guide catheter can be bent, and meanwhile, the handle can rotate around the handle adapter, thereby being beneficial to enlarging the application range and having the advantages of convenience in operation, strong practicability and the like.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a bending driving device of a guide catheter.
Background
In the clinical use process of medical instrument products, interventional catheter medical instruments, in particular to controllable bending interventional catheter instruments, are widely used in the clinical use process. The catheter is mainly used for establishing an external-to-internal passage and guiding other instruments to reach a target position. The existing interventional catheters are mostly preformed into a catheter bent shape according to the shape of a target area of a human body structure or are designed in a unidirectional bending adjusting mode so as to meet the requirement that an instrument reaches a lesion part of the human body.
The utility model provides a novel catheter bending driving device which can realize the bidirectional bending of the distal end of a catheter, and simultaneously, a handle part can drive the catheter to rotate 360 degrees, so that the capability of positioning a lesion area in a body of the catheter is further improved. In addition, the bending of the distal end of the catheter can be precisely controlled by rotating a knob on the handle, so that the catheter positioning capability of a doctor facing complex lesions in the clinical operation process is improved.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides the bending driving device for the guide catheter, which is characterized in that a knob and a wire pulling mechanism are arranged on a handle, the wire pulling mechanism can be driven to axially move on a central piece by rotating the knob and meshed with the wire pulling mechanism, and then the wire pulling on two sides of the guide catheter is driven to apply force to the distal end of the guide catheter, so that the distal end of the guide catheter can be bent, and meanwhile, the handle and the guide catheter can rotate around a handle adapter, thereby being beneficial to pointing the distal end of the guide catheter in all directions.
The technical scheme adopted by the utility model is that the guiding catheter bending driving device comprises a handle and a guiding catheter arranged at the far end of the handle, wherein the handle comprises a handle front end cover, a handle rear end cover, a handle upper cover, a handle lower cover, a knob, a handle adapter, a steering pulley, a pull wire mechanism and a central piece; the proximal end of the guide catheter is inserted into the central piece, pull wires are symmetrically arranged on two sides of the guide catheter, the first end of each pull wire is connected with a pull ring at the distal end of the guide catheter, the second end of each pull wire on the first side of the guide catheter penetrates through a pull wire channel on the guide catheter body, a guide groove on the side surface of the central piece and a first through hole on the sliding block to be fixed on the sliding block, the second end of each pull wire on the second side of the guide catheter penetrates through the pull wire channel on the guide catheter body, the guide groove on the side surface of the central piece and a second through hole on the sliding block, bypasses the steering pulley and then penetrates through a third through hole on the sliding block to be fixed on the sliding block, and the pull wire mechanism is driven to slide along the central piece by rotating the meshed transmission of the knob and the pull wire mechanism, so that the pull wire is controlled to drive the distal end of the guide catheter to realize bidirectional bending adjustment.
Further, the handle is further provided with a three-way water pipe and a hemostatic valve, the three-way water pipe is arranged on the side face of the handle adapter, the three-way water pipe is communicated with the transfer channel in the middle of the handle adapter, the hemostatic valve is arranged at the proximal transfer hole of the handle adapter, and the hemostatic valve is tightly pressed on the handle adapter through the handle rear end cover.
Preferably, the bilateral symmetry of center piece is equipped with the guide way, the other bilateral symmetry of center piece is equipped with the direction slide rail, just the interval 90 between guide way and the direction slide rail is arranged, be equipped with the location line on the direction slide rail, just the proximal end of center piece is equipped with pulley installation boss, just the center piece proximal end is close to one side of pulley installation boss is equipped with the ring channel, ring channel department is equipped with O shape circle, just the proximal end of center piece inserts through O shape circle in the distal end transfer hole of handle transfer piece, with the handle transfer piece is connected.
Preferably, the far end of the handle adapter is provided with an adapter boss, an adapter ring groove is arranged on the outer ring surface of the adapter boss, a far end adapter hole is arranged in the middle of the far end of the handle adapter, a near end adapter hole is arranged in the middle of the near end of the handle adapter, and the far end adapter hole and the near end adapter hole are communicated through an adapter channel.
Further, the structure of the upper handle cover is the same as that of the lower handle cover, the proximal end and the distal end of the upper handle cover and the lower handle cover are respectively provided with a proximal handle cover end and a distal handle cover end, one side of the proximal handle cover end is provided with a handle clamping plate, the handle clamping plate is clamped on a transfer ring groove of the handle adapter, the inner side wall of the proximal handle cover end is also provided with a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are clamped on two sides of the pulley installation boss on the central piece, the distal handle cover end is provided with a handle sliding groove, the upper driving frame and the lower driving frame are correspondingly arranged in the handle sliding grooves of the upper handle cover and the lower handle cover, guide blocks are symmetrically arranged on two sides of the handle sliding groove, a knob positioning boss is arranged on the side wall between the proximal handle cover end and the distal handle cover end, the proximal end butt of the knob is in the position boss, and the positioning ring is arranged on the distal end of the knob along the guide blocks, and the distal end butt of the knob is fixed on the handle cover through the positioning ring and the handle cover.
Further, a sliding chute is symmetrically arranged on the inner wall of the sliding block, the sliding block is arranged on the guide sliding rail of the central piece in a sliding manner through the sliding chute, a first through hole is formed in the first side of the sliding block, a second through hole and a third through hole are symmetrically formed in the second side of the sliding block, the second end of the first side stay wire of the guide pipe penetrates through the stay wire channel on the pipe body of the guide pipe, the guide groove on the side face of the central piece and the first through hole on the sliding block, the stay wire is fixed to the first through position on the sliding block through a hypotube, the second end of the second side stay wire of the guide pipe penetrates through the stay wire channel on the pipe body of the guide pipe, the guide groove on the side face of the central piece and the second through hole on the sliding block, and after bypassing the diverting pulley and penetrating through the third through hole on the sliding block, the stay wire is fixed to the third through hole on the sliding block through the hypotube.
The utility model has the characteristics and beneficial effects that:
1. according to the bending driving device for the guide catheter, the knob and the wire pulling mechanism are arranged on the handle, the inner gear teeth of the knob and the outer gear teeth of the wire pulling mechanism are meshed and driven, the wire pulling mechanism is driven to move in the front-back axial direction on the center piece through rotation of the knob, and then the wire pulling wires on two sides of the guide catheter are driven to apply force to the distal end of the guide catheter, so that the distal end of the guide catheter can be bent, the bending control of the guide catheter is carried out through gear meshing and transmission, the bending operation of the guide catheter is facilitated, and the accuracy of the bending angle of the guide catheter is improved.
2. According to the bending driving device for the guide catheter, the upper handle cover and the lower handle cover are buckled on two sides of the wire pulling mechanism, the handle clamping plates at the proximal ends of the upper handle cover and the lower handle cover are buckled on the switching ring grooves of the handle switching piece, the handle and the guide catheter can rotate around the handle switching piece, and the upper handle cover and the lower handle cover of the handle are rotated to enable the handle and the guide catheter to integrally rotate around the handle switching piece, so that the distal ends of the guide catheter can point to various directions.
3. The bending driving device for the guide catheter can bend the guide catheter, can adjust the bending direction of the guide catheter, and has the advantages of convenience in operation, strong practicability, wide application range and the like.
Drawings
FIG. 1 is an exploded view of the overall structure of the guide catheter bend adjustment driving device of the present utility model;
FIG. 2 is a cross-sectional view of a guide catheter bend adjustment drive device of the present utility model;
fig. 3 is a first side view of the guide catheter 1 and the wire pulling mechanism of the present utility model;
fig. 4 is a second side view of the guide catheter 1 and the wire pulling mechanism of the present utility model;
FIG. 5 is a cross-sectional view of the handle adapter of the present utility model;
fig. 6 is a schematic structural view of the wire pulling mechanism of the present utility model.
The main reference numerals:
a guide catheter 1; a handle; a handle front cover 201; a handle rear end cap 202; a handle upper cover 203; a first clamping plate 2031; a second clamping plate 2032; a handle grip 2034; a handle lower cover 204; guide block 2041; a handle chute 2042; a handle cover proximal portion 2043; a handle cover distal end 2044; knob positioning boss 2045; a positioning ring 205; a knob 206; a handle adapter 207; a transfer boss 2071; an adaptor ring groove 2075; a distal transfer hole 2072; a proximal transfer hole 2073; a transfer passage 2074; with a three-way water pipe 208; a hemostatic valve 209; an O-ring 210; a diverting pulley 211; a wire pulling mechanism 212; an upper drive rack 2121; a sliding block 2122; a first through hole 21221; a second through hole 21223; a third through hole 21224; a hypotube 21226; slide runner 21227; a lower drive rack 2123; a center piece 213; guide groove 2131; steering pulley shaft 2132; annular groove 2133; positioning score lines 2134; a guide rail 2135; pulley mounting boss 2136; and (3) pulling the wire.
Detailed Description
In order to make the technical content, the structural features, the achieved objects and the effects of the present utility model more detailed, the following description will be taken in conjunction with the accompanying drawings. In describing the catheter in the present embodiment, the "proximal" guide catheter is used closer to the operator (or operator), farther from the operator; "distal" refers to the side of the guide catheter that is distal to the operator (or operator) and proximal to the operator when the guide catheter is in use. For the guide catheter in the embodiment of the utility model, the proximal end is the handle side, and the distal end is the guide catheter side.
The utility model relates to a guiding catheter bending driving device, as shown in fig. 1 and 2, which comprises a handle and a guiding catheter 1 arranged at the far end of the handle, wherein the handle comprises a handle front end cover 201, a handle rear end cover 202, a handle upper cover 203, a handle lower cover 204, a knob 206, a handle adapter 207, a steering pulley 211, a pull wire mechanism 212 and a central piece 213, the central piece 213 is arranged in the middle of the handle, the near end of the central piece 213 is arranged in a far end adapting hole 2072 of the handle adapter 207, the central piece 213 is provided with a pull wire mechanism 212, the pull wire mechanism 212 comprises an upper driving frame 2121, a sliding block 2122 and a lower driving frame 2123, the sliding block 2122 is arranged on the central piece 213 in a sliding manner, the sliding block 2122 is fixedly arranged between the upper driving frame 2121 and the lower driving frame 2123, the outer cambered surfaces of the upper driving frame 2121 and the lower driving frame 2123 are provided with gear teeth, the handle upper cover 203 and the handle lower cover 204 are buckled on two sides of the upper driving frame 2121 and the lower driving frame 2123, a handle clamp plate 2034 at the near end of the handle adapter 204 is clamped in a far end adapting hole 2072 of the handle adapter 207, the central piece 213 is arranged on the central piece 213, the upper end of the handle adapter 205 and the handle adapter 206 is abutted against the steering pulley 206 is arranged at the far end of the steering pulley 2, the upper end of the upper cover 213 is abutted against the upper end of the steering pulley 213, the upper cover 213 is abutted against the upper end of the knob 206, the upper end of the steering pulley 206 is abutted against the far end of the steering pulley 2, the upper end of the upper cover 213 is abutted against the upper end of the handle 206 is abutted against the upper end of the handle 206, and the upper end of the handle is abutted to the handle 206 is abutted against the handle end of the handle 206 is arranged at the far end is abutted against the far end is abutted by the far end is by the handle end is, and the handle end is abutted by the handle end is arranged on the far end is.
As shown in fig. 2, the handle is further provided with a three-way water pipe 208 and a hemostatic valve 209, the three-way water pipe 208 is arranged on the side surface of the handle adaptor 207, the three-way water pipe 208 is communicated with the adaptor channel 2074 in the middle of the handle adaptor 207, the hemostatic valve 209 is arranged at the proximal adaptor hole 2073 of the handle adaptor 207, and the hemostatic valve 209 is pressed on the handle adaptor 207 through the handle rear end cover 202 by the hemostatic valve 209.
As shown in fig. 3 and fig. 4, the proximal end of the guide catheter 1 is inserted into the center piece 213, pull wires 3 are symmetrically arranged at two sides of the guide catheter 1, a first end of each pull wire 3 is connected with a pull ring at the distal end of the guide catheter 1, a second end of each pull wire 3 at the first side of the guide catheter 1 passes through a pull wire channel on the body of the guide catheter 1, a guide groove 2131 at the side of the center piece 213 and a first through hole 21221 on the sliding block 2122 to be fixed on the sliding block 2122, a second end of each pull wire 3 at the second side of the guide catheter 1 passes through a pull wire channel on the body of the guide catheter 1, a guide groove 2131 at the side of the center piece 213 and a second through hole 21223 on the sliding block 2122, bypasses the diverting pulley 211 and then passes through a third through hole 21224 on the sliding block 2122 to be fixed on the sliding block 2122, and the pull wire mechanism 212 is driven to slide along the center piece 213 by meshing transmission of the rotating knob 206, and then the pull wire mechanism 212 is controlled to drive the pull wire 3 to drive the distal end of the guide catheter 1 to realize bidirectional bending.
In a preferred manner, the two sides of the center piece 213 are symmetrically provided with guide grooves 2131, the other two sides of the center piece 213 are symmetrically provided with guide sliding rails 2135, the guide grooves 2131 and the guide sliding rails 2135 are arranged at an interval of 90 degrees, the guide sliding rails 2135 are provided with positioning score lines 2134, the proximal end of the center piece 213 is provided with a pulley mounting boss 2136, one side of the proximal end of the center piece 213, which is close to the pulley mounting boss 2136, is provided with an annular groove 2133, an O-ring 210 is arranged at the annular groove 2133, and the proximal end of the center piece 213 is inserted into a distal end adapting hole 2072 of the handle adapting piece 207 through the O-ring 210 and is connected with the handle adapting piece 207.
As shown in fig. 5, the distal end of the handle adapter 207 is provided with an adapter boss 2071, an adapter ring groove 2075 is provided on the outer circumferential surface of the adapter boss 2071, a distal adapter hole 2072 is provided in the middle of the distal end of the handle adapter 207, a proximal adapter hole 2073 is provided in the middle of the proximal end of the handle adapter 207, and the distal adapter hole 2072 and the proximal adapter hole 2073 are communicated through an adapter channel 2074.
In a preferred mode, the structure of the handle upper cover 203 is the same as that of the handle lower cover 204, the proximal end and the distal end of the handle upper cover 203 and the handle lower cover 204 are respectively provided with a handle cover proximal end 2043 and a handle cover distal end 2044, one side of the handle cover proximal end 2043 is provided with a handle clamping plate 2034, the handle clamping plate 2034 is clamped on a transfer ring groove 2075 of the handle transfer member 207, the inner side wall of the handle cover proximal end 2043 is also provided with a first clamping plate 2031 and a second clamping plate 2032, the first clamping plate 2031 and the second clamping plate 2032 are clamped on two sides of a pulley installation boss 2135 on the central member 213, the handle cover distal end is provided with a handle sliding groove 2042, the upper driving frame 2121 and the lower driving frame 2123 are correspondingly arranged in the handle sliding groove 2042 of the handle upper cover 203 and the handle lower cover 204, two sides of the handle sliding groove 2042 are symmetrically provided with guide blocks 2041, a knob positioning boss 2045 is arranged on the side wall between the handle cover proximal end 2043 and the handle cover distal end 2044, the proximal end of the knob 204206 is abutted against the knob positioning boss 205, the positioning boss 205 is abutted against the knob boss 205, the positioning boss 205 is abutted against the distal end of the handle cover 204, and the handle cover 204 is abutted against the distal end 204 by the positioning boss 206, and the upper cover 204 is abutted against the distal end of the knob 204.
As shown in fig. 6, a sliding chute 21227 is symmetrically arranged on the inner wall of the sliding block 2122, the sliding block 2122 is slidably arranged on the guide rail 2135 of the central member 213 through the sliding chute 21227, a first through hole 21221 is arranged on the first side of the sliding block 2122, a second through hole 21223 and a third through hole 21224 are symmetrically arranged on the second side of the sliding block 2122, the second end of the first side pull wire 3 of the guide catheter 1 passes through the pull rope channel on the body of the guide catheter 1, the guide groove on the side surface of the central member 213 and the first through hole 21221 on the sliding block 2122, the pull wire is fixed at the first through position on the sliding block through a hypotube, the second end of the second side pull wire of the guide catheter 1 passes through the pull rope channel on the body of the guide catheter 1, the guide groove on the side surface of the central member 213, the second through hole 21223 on the sliding block, and passes through the third through hole 21224 on the sliding block 2122 after bypassing the diverting pulley 211, the pull wire 3 is fixed at the third through the through hole 21224 on the sliding block 2122 through the hypotube 21226.
The specific use process of the utility model comprises the following steps:
in a specific use process, as shown in fig. 1-6, the knob 206 is rotated first, the knob 206 is meshed with the gear teeth on the outer sides of the upper driving frame 2121 and the lower driving frame 2123 for transmission, so as to drive the wire pulling mechanism 212 to axially move along the central member 213, and then the distal end of the guiding catheter 1 is driven to slowly bend by the wire pulling 3. When the wire pulling mechanism 212 moves rightwards, the wire pulling 3 on the first side of the guiding catheter 1 generates rightwards pulling force, so that the guiding catheter 1 is driven to bend towards one side of the wire pulling 3 on the first side; when the wire pulling mechanism 212 moves leftwards, the wire 3 on the second side of the guiding catheter 1 changes direction by bypassing the diverting pulley 211, so that the wire 3 on the first side of the guiding catheter 1 generates a pulling force leftwards, and the guiding catheter 1 is driven to bend towards the wire 3 on the second side. Simultaneously, the handle upper cover 203 and the handle lower cover 204 are buckled on the handle adapter 207, and the handle and the guiding catheter 1 can integrally rotate around the handle adapter 207 by rotating the handle upper cover and the handle lower cover of the handle, so that the distal end of the guiding catheter can point to all directions. The device not only can enlarge the application range, but also is convenient to operate and accurately positioned to the target position, and has the advantages of convenient operation, strong practicability, wide application range and the like.
The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the present utility model.
Claims (6)
1. A guiding catheter bending driving device is characterized by comprising a handle and a guiding catheter arranged at the far end of the handle,
the handle comprises a handle front end cover, a handle rear end cover, a handle upper cover, a handle lower cover, a knob, a handle adapter, a steering pulley, a pull wire mechanism and a center piece, wherein the center piece is arranged in the middle of the handle, the proximal end of the center piece is arranged in a far-end adapter hole of the handle adapter, the center piece is provided with the pull wire mechanism, the pull wire mechanism comprises an upper driving frame, a sliding block and a lower driving frame, the sliding block is arranged on the center piece in a sliding manner, the sliding block is fixedly arranged between the upper driving frame and the lower driving frame, gear teeth are arranged on the outer cambered surfaces of the upper driving frame and the lower driving frame, the handle upper cover and the handle lower cover are buckled on two sides of the upper driving frame and the lower driving frame, a handle clamping plate at the proximal end of the handle upper cover and the handle lower cover is buckled on an adapter ring groove of the handle adapter, the handle and the guide catheter can rotate around the handle adapter, the handle front end cover is sleeved on the proximal end of the center piece, the handle upper cover and the handle upper cover are in a sliding manner, the handle upper cover and the lower cover are abutted to the handle boss and the far-end of the handle adapter mechanism is abutted to the far-end of the handle, and the handle boss is arranged on the far-end boss and is abutted to the far-end of the handle;
the proximal end of the guide catheter is inserted into the central piece, pull wires are symmetrically arranged on two sides of the guide catheter, the first end of each pull wire is connected with a pull ring at the distal end of the guide catheter, the second end of each pull wire on the first side of the guide catheter penetrates through a pull rope channel on the guide catheter body, a guide groove on the side surface of the central piece and a first through hole on the sliding block to be fixed on the sliding block, the second end of each pull wire on the second side of the guide catheter penetrates through the pull rope channel on the guide catheter body, the guide groove on the side surface of the central piece and a second through hole on the sliding block, and passes through a third through hole on the sliding block to be fixed on the sliding block after bypassing the steering pulley, and the pull wire mechanism is meshed and driven by rotating the knob, so that the pull wire mechanism slides along the central piece, and then the pull wires are controlled to drive the distal end of the guide catheter to realize bidirectional bending adjustment.
2. The guide catheter bending driving device according to claim 1, wherein the handle is further provided with a three-way water pipe and a hemostatic valve, the three-way water pipe is arranged on the side surface of the handle adapter, the three-way water pipe is communicated with the transfer channel in the middle of the handle adapter, the hemostatic valve is arranged at the proximal transfer hole of the handle adapter, and the hemostatic valve compresses the hemostatic valve on the handle adapter through the handle rear end cover.
3. The guide catheter bending driving device according to claim 1, wherein guide grooves are symmetrically formed in two sides of the center piece, guide sliding rails are symmetrically formed in the other two sides of the center piece, the guide grooves and the guide sliding rails are arranged at intervals of 90 degrees, positioning score lines are formed in the guide sliding rails, pulley installation bosses are formed in the proximal ends of the center piece, annular grooves are formed in the sides, close to the pulley installation bosses, of the proximal ends of the center piece, O-shaped rings are arranged at the annular grooves, and the proximal ends of the center piece are inserted into distal end transfer holes of the handle transfer pieces through the O-shaped rings and are connected with the handle transfer pieces.
4. The guiding catheter bending driving device according to claim 3, wherein the distal end of the handle adapter is provided with an adapter boss, an adapter ring groove is formed in an outer ring surface of the adapter boss, a distal end adapter hole is formed in the middle of the distal end of the handle adapter, a proximal end adapter hole is formed in the middle of the proximal end of the handle adapter, and the distal end adapter hole is communicated with the proximal end adapter hole through an adapter channel.
5. The guide catheter bending driving device according to claim 1, wherein the structure of the handle upper cover is the same as that of the handle lower cover, the proximal end and the distal end of the handle upper cover and the handle lower cover are respectively provided with a handle cover proximal end portion and a handle cover distal end portion, one side of the handle cover proximal end portion is provided with a handle clamping plate, the handle clamping plate is clamped on an adapter ring groove of the handle adapter, the inner side wall of the handle cover proximal end portion is further provided with a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are clamped on two sides of the pulley mounting boss on the central member, the handle cover distal end portion is provided with a handle sliding groove, the upper driving frame and the lower driving frame are correspondingly arranged in the handle sliding grooves of the handle upper cover and the handle lower cover, two sides of the handle sliding groove are symmetrically provided with guide blocks, the side wall between the handle cover proximal end portion and the handle cover distal end portion is provided with a knob positioning boss, the proximal end of the knob is abutted to the knob positioning boss, the positioning ring is abutted to the knob positioning ring is arranged along the guide block distal end and the handle cover distal end and is fixed on the handle cover by the knob.
6. The guide catheter bending driving device according to claim 1, wherein sliding grooves are symmetrically formed in the inner wall of the sliding block, the sliding block is slidably arranged on the guiding sliding rail of the central piece through the sliding grooves, a first through hole is formed in the first side of the sliding block, a second through hole and a third through hole are symmetrically formed in the second side of the sliding block, the second end of the first side stay wire of the guide catheter penetrates through the stay wire channel on the guide catheter tube body, the guiding groove on the side surface of the central piece and the first through hole on the sliding block, the stay wire is fixed at the first through hole on the sliding block through a hypotube, the second end of the second side stay wire of the guide catheter penetrates through the stay wire channel on the guide catheter tube body, the guiding groove on the side surface of the central piece and the second through hole on the sliding block, and after bypassing the diverting pulley and penetrating through the third through hole on the sliding block, the stay wire is fixed at the third through hole on the sliding block through the hypotube.
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CN202321676002.3U CN220110251U (en) | 2023-06-29 | 2023-06-29 | Guiding catheter bending adjusting driving device |
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CN202321676002.3U CN220110251U (en) | 2023-06-29 | 2023-06-29 | Guiding catheter bending adjusting driving device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117899338A (en) * | 2023-12-08 | 2024-04-19 | 上海瑞诺兹医疗科技有限公司 | A balloon catheter for treating mitral valve calcification |
-
2023
- 2023-06-29 CN CN202321676002.3U patent/CN220110251U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117899338A (en) * | 2023-12-08 | 2024-04-19 | 上海瑞诺兹医疗科技有限公司 | A balloon catheter for treating mitral valve calcification |
CN117899338B (en) * | 2023-12-08 | 2025-03-04 | 江苏瑞诺兹医疗科技有限公司 | A balloon catheter for treating mitral valve calcification |
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