CN114569136A - Mapping microcatheter based on controllable bending for medical treatment - Google Patents
Mapping microcatheter based on controllable bending for medical treatment Download PDFInfo
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
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Abstract
The invention provides a mapping microcatheter based on medical controllable bending, which relates to the technical field of mapping catheters and comprises the following components: a supporting seat; the supporting seat is of an Contraband-shaped plate-shaped structure, the handle is arranged at the upper part of the supporting seat, the front end face and the rear end face of the supporting seat are respectively provided with a plug connector, and a synchronous driving piece is connected between the two plug connectors at the lower part; a hexagonal prism cylinder is fixed outside the handle. According to the invention, through the arrangement of the locking part, the head end of the elastic soft catheter can be effectively controlled when being bent, and through the matching of the supporting seat and the plug connector, the handle does not need to be held all the time during mapping, so that the work burden of medical personnel is reduced, the stability is better, and the problems that the head end of the existing mapping micro catheter cannot be controlled after being bent, and the handle on the mapping micro catheter needs to be held manually, so that the work burden of the medical personnel is increased, and the mapping quality of the catheter is influenced due to poor stability during mapping are solved.
Description
Technical Field
The invention relates to the technical field of mapping catheters, in particular to a mapping microcatheter based on medical controllable bending.
Background
A mapping microcatheter, which in use is intravenously placed over the endocardium of the heart to stimulate the myocardium by contact with the endocardium, is suitable for performing electrophysiological mapping by intracardiac multi-electrode methods, such as recording cardiac electrical signals or delivering stimulation signals, and can acquire an electrocardiogram of the atrial region.
However, when the existing micro-catheter for marking measurement is used, although the bending of the catheter head end can be realized by pushing the push button on the handle, the handle push button is lack of an effective locking structure, and the catheter head end has certain elasticity, so that the catheter head end can easily rebound to the original position under the action of the elasticity of the catheter head end, and the bending back of the catheter head end is uncontrollable, moreover, the catheter head end is placed in the endocardium of the heart of a person, because the handle on the existing micro-catheter for marking measurement needs to be always held by medical personnel, the work burden of the medical personnel is increased, the stability of a manual long-time holding mode is poor, and the mapping quality of the catheter is influenced.
Disclosure of Invention
In view of this, the invention provides a mapping microcatheter based on controllable bending for medical use, which can effectively control the pulling rope B when pulling the head end of the flexible elastic catheter to bend through the arrangement of the locking part, and can reduce the work burden of medical staff without being held by the medical staff all the time through the matching of the supporting seat and the plug connector during mapping, and has better stability.
The invention provides a mapping microcatheter based on medical controllable bending, which specifically comprises: a supporting seat; the supporting seat is of an Contraband-shaped plate-shaped structure, the handle is arranged at the upper part of the supporting seat, the front end face and the rear end face of the supporting seat are respectively provided with a plug connector, and a synchronous driving piece is connected between the two plug connectors at the lower part; handle external fixation has a hexagonal section of thick bamboo, and all seted up two spacing jacks on six terminal surfaces of hexagonal section of thick bamboo outside a week, the handle front end is fixed with connects the smooth shell, and connect the preceding terminal surface middle part of smooth shell and seted up the bar opening, it has the slip guide arm to connect in the bar opening on the smooth shell, and the outside slip of slip guide arm has the drive slider, the spring has been cup jointed to the slip guide arm outside, it is fixed with Contraband font slide to drive the slider rear side, and Contraband font slide up end installs locking portion, it is connected with flexible soft pipe to connect the smooth shell front end, and connect the smooth shell upper end and personally submit even form and seted up the rectangle recess.
Optionally, a clamping plate slides on the inner side of the supporting seat through four vertical guide rods, two clamping nuts are symmetrically arranged on the left and right upper end surfaces of the clamping plate, a clamping screw is connected to the inside of each clamping nut through threads, and the lower ends of the two clamping screws penetrate through the clamping plate; the two clamping screws are rotatably connected to the front portion of the inner side of the supporting seat, a driving gear is fixed to the upper ends of the two clamping screws, a transmission gear which rotates on the top end face of the supporting seat is meshed between the two driving gears, a supporting block is fixed to the rear side of the top end face of the supporting seat, a groove is formed in the upper end face of the supporting block, the shape of the lower end of the inner portion of the groove is matched with the shape of the lower end of the hexagonal cylinder, the hexagonal cylinder is located inside the groove, and two T-shaped chutes are formed in the bottom end face of the supporting block.
Optionally, the front side surface inside the supporting seat is provided with two dovetail-shaped sliding grooves in a bilateral symmetry manner, the front end surface of the clamping plate is provided with two dovetail-shaped sliding blocks in a bilateral symmetry manner, and the two dovetail-shaped sliding blocks are respectively in sliding connection with the two dovetail-shaped sliding grooves; and anti-skidding rubber pads are arranged on the top end face inside the supporting seat and the upper end face of the clamping plate.
Optionally, the plug connector comprises a supporting plate, a sliding plate and a pulling rod, the supporting plate is in an Contraband-shaped structure, and the supporting plate is fixed on one side surface of the supporting block; the inner side of the supporting plate slides with a sliding plate, one side of the sliding plate is symmetrically provided with two insertion rods, the other side of the sliding plate is fixed with a pulling rod penetrating through one side of the supporting plate, and the outer part of the pulling rod is positioned at the inner side of the supporting plate and sleeved with a spring.
Optionally, when the plug connector is in a limiting state, the two plug rods on the sliding plate penetrate through one side surface of the supporting block and are connected with the two limiting insertion holes formed in one side surface of the hexagonal cylinder in an inserting mode.
Optionally, the synchronous driving element includes two L-shaped driving blocks and a stay cord A, T-shaped bracket, the number of the L-shaped driving blocks is two, and two T-shaped sliding blocks are respectively arranged on the upper end surfaces of the two L-shaped driving blocks and are respectively connected with two T-shaped sliding grooves formed on the bottom end surfaces of the supporting blocks in a sliding manner; two the back all is fixed with a stay cord A in L type area movable block upper portion, and two stay cord A other ends respectively with two pull rod looks back of the body end fixed connection, the quantity of T type support is two, and two T type supports install respectively around the supporting shoe on the face of both ends, all install two pulleys on every T type support, and four pulleys respectively with two stay cord A sliding connection.
Optionally, the synchronous driving member further includes two synchronous racks and two synchronous gears, the two synchronous racks are respectively fixed on the two L-shaped belt moving blocks, and the synchronous gears rotating on the bottom end faces of the supporting blocks are engaged between the two synchronous racks.
Optionally, ten platinum-iridium alloy electrode rings are uniformly arranged at the front end of the outer peripheral surface of the elastic soft catheter, a pull rope B is fixed at the left end inside the elastic soft catheter, and one end of the pull rope B is located at the edge of the left end inside the elastic soft catheter; the other end of the pull rope B is fixed on the left end face of the driving slide block.
Optionally, the locking part comprises a locking sliding shell, a locking sliding block, a rectangular sliding block and a pressing plate, the locking sliding shell is fixed on the top end face of the Contraband-shaped sliding plate, the locking sliding block slides in the locking sliding shell, the rectangular sliding block is arranged on the lower portion of the front end face and the lower portion of the rear end face of the locking sliding block, and a sliding rod is fixed on the front side of the upper end face of the front rectangular sliding block; the pressing plate is rotatably connected to the top end face of the Contraband-shaped sliding plate through the supporting block, a rectangular sliding opening is formed in the rear side of the right end face of the pressing plate, and the rectangular sliding opening is connected with a sliding rod in a sliding mode.
Optionally, a locking slip is arranged at the lower end of the locking slide block, and a corner at the lower part of the right end face of the locking slip is a round corner; when the locking part is in a locking state, the lower end of the locking inserting bar is inserted into one of the rectangular grooves.
Advantageous effects
Compared with the traditional mapping microcatheter, the mapping microcatheter provided by the embodiments of the invention has the advantages that through the arrangement of the locking part, after the head end of the elastic soft catheter is inserted into the heart cavity, the driving slide block is pulled rightwards by hand, so that the driving slide block drives the head end of the elastic soft catheter to bend through the pull rope B, then the Contraband-shaped sliding plate drives the locking part to slide rightwards, then when the locking part stops sliding rightwards, the lower end of the locking insertion strip at the lower end of the locking sliding block is inserted into one of the rectangular grooves, so that the locking sliding shell, the Contraband-shaped sliding plate and the driving sliding block can not slide leftwards at the moment, and the head end of the elastic soft catheter can be controlled after being bent, therefore, even if the head end of the elastic soft catheter has certain elasticity, the head end of the elastic soft catheter is not easy to rebound to the original position under the action of the elasticity of the head end, and the reliability of the head end of the elastic soft catheter in mapping and recording electrocardiosignals is improved.
In addition, through the cooperation of supporting seat and plug connector, after the flexible pipe head end of elasticity is putting into people's heart chamber inner membrance, at first pass through the grip block centre gripping with the supporting seat and fix to operation bedside department, then place the recess on the supporting shoe inside with the hexagonal section of thick bamboo on the handle, then place the recess on the supporting shoe inside when hexagonal section of thick bamboo, the inserted bar on the sliding plate will insert inside spacing jack, thereby make hexagonal section of thick bamboo and handle wholly obtain effective fixed support effect, thereby when the survey mark, the handle need not to be held by medical personnel always, medical personnel's work burden has not only been alleviateed, and support through the supporting seat, thereby better stability has, avoid influencing the quality of the survey mark of flexible pipe.
In addition, through the setting of synchronous driving piece, when the handle need be taken off from the supporting shoe, only need to pinch pressure to relative direction through two L type area movable block lower extremes through manual, make two stay cords A drive two slide plate pieces respectively and remove to the opposite side mutually, then drive the inserted bar through two slide plate pieces and extract from spacing jack is inside, thereby make six arris section of thick bamboos lose the fixed action on the supporting shoe, then can take off the handle from the supporting shoe, thereby the convenience of handle when taking off from the supporting shoe has been improved, and through the cooperation of two synchronous racks and synchronous gear, can make two L type area movable blocks when being pinched, can obtain synchronous motion.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.
In the drawings:
fig. 1 shows a schematic view of an anterior axial view of a mapping microcatheter according to an embodiment of the invention;
fig. 2 shows a schematic diagram of a posterior axial view of a mapping microcatheter according to an embodiment of the invention;
fig. 3 shows a schematic view of a mapping microcatheter in a disassembled state, according to an embodiment of the invention;
FIG. 4 shows a schematic illustration of a support base and clamping plate according to an embodiment of the invention, disassembled;
FIG. 5 shows a schematic view of a support block, a plug and a synchronous drive according to an embodiment of the invention;
FIG. 6 shows a schematic view of a plug-in unit and a synchronous drive according to an embodiment of the invention;
FIG. 7 shows a schematic view in partial cross-section of a connecting slip shell and flexible soft catheter according to an embodiment of the invention;
FIG. 8 illustrates a schematic view of an Contraband-shaped sled and locking portion according to an embodiment of the present invention;
FIG. 9 shows a schematic view of a locking slide shell and a press plate according to an embodiment of the present invention after detachment;
FIG. 10 illustrates a schematic diagram in partial cross-section of a connecting slide case and a lockout portion according to an embodiment of the present invention.
List of reference numerals
1. A supporting seat; 101. a clamping plate; 102. clamping the screw rod; 103. clamping the nut; 104. a support block; 105. a transmission gear; 2. a handle; 201. a hexagonal barrel; 202. limiting the jacks; 203. Connecting a sliding shell; 204. a rectangular groove; 205. driving the sliding block; 206. contraband-shaped sliding plates; 207. A sliding guide bar; 3. a plug-in unit; 301. a support plate; 302. a slide plate; 303. pulling a rod; 4. a synchronous drive; 401. an L-shaped driving block; 402. pulling a rope A; 403. a T-shaped bracket; 404. a synchronous rack; 405. a synchronizing gear; 5. a flexible soft catheter; 501. a platinum-iridium alloy electrode ring; 502. pulling a rope B; 6. a lock section; 601. locking the sliding shell; 602. a locking slide block; 603. A rectangular slider; 604. and pressing the plate.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
Example (b): please refer to fig. 1 to fig. 10:
the invention provides a mapping microcatheter based on controllable bending for medical treatment, which comprises: a support base 1; the supporting seat 1 is of an Contraband-shaped plate-shaped structure, the handle 2 is mounted at the upper part of the supporting seat 1, the front end face and the rear end face of the supporting seat 1 are respectively provided with a plug connector 3 for limiting the handle 2, and a synchronous driving piece 4 is connected between the two plug connectors 3 at the lower part; 2 external fixation of handle has hexagonal section of thick bamboo 201, and two spacing jacks 202 have all been seted up on six terminal surfaces of hexagonal section of thick bamboo 201 outside a week, 2 front ends of handle are fixed with connects smooth shell 203, and connect the preceding terminal surface middle part of smooth shell 203 and seted up the bar opening, connect the bar opening internal fixation on the smooth shell 203 and have slide guide 207, and slide guide 207 external slip has drive slider 205, the outside spring that has cup jointed of slide guide 207, thereby the messenger drives slider 205 and has elasticity left, it is fixed with Contraband font slide 206 to drive slider 205 rear side, and Contraband font slide 206 up end installs locking portion 6, it is connected with elasticity hose 5 to connect smooth shell 203 front end, and connect smooth shell 203 up end and personally submit even form and seted up rectangular groove 204.
In addition, according to an embodiment of the present invention, as shown in fig. 1 to 3, a clamping plate 101 is slid on the inner side of the supporting seat 1 through four vertical guide rods, two clamping nuts 103 are arranged on the upper end surface of the clamping plate 101 in a left-right symmetrical manner, a clamping screw 102 is connected to the inside of each clamping nut 103 through a thread, and the lower ends of the two clamping screws 102 penetrate through the clamping plate 101, so as to clamp and fix the supporting seat 1 to the edge of the operating table; the two clamping screws 102 are rotatably connected to the front part of the inner side of the supporting seat 1, the upper ends of the outer parts of the two clamping screws 102 are respectively fixed with a driving gear, a transmission gear 105 which rotates on the top end face of the supporting seat 1 is meshed between the two driving gears, so that one clamping screw 102 can drive the other clamping screw 102 to simultaneously rotate while rotating, a supporting block 104 is fixed on the rear side of the top end face of the supporting seat 1, a groove is formed in the upper end face of the supporting block 104, the shape of the lower end of the inner part of the groove is matched with that of the lower end of the hexagonal cylinder 201, the hexagonal cylinder 201 is located in the groove, and two T-shaped chutes are formed in the bottom end face of the supporting block 104; the front side surface inside the supporting seat 1 is provided with two dovetail sliding grooves in a bilateral symmetry manner, the front end surface of the clamping plate 101 is provided with two dovetail sliding blocks in a bilateral symmetry manner, and the two dovetail sliding blocks are respectively in sliding connection with the two dovetail sliding grooves, so that the clamping plate 101 is more stable when sliding up and down; anti-skid rubber pads are arranged on the top end surface inside the supporting seat 1 and the upper end surface of the clamping plate 101, so that the friction force of the clamping surface of the clamping plate 101 is improved;
as shown in fig. 1 and 5, the connector 3 includes a supporting plate 301, a sliding plate 302 and a pulling rod 303, the supporting plate 301 is Contraband-shaped, and the supporting plate 301 is fixed on one side of the supporting block 104; a sliding plate 302 slides on the inner side of the supporting plate 301, two insertion rods are symmetrically arranged on one side surface of the sliding plate 302 and used for being inserted into the limiting insertion holes 202, a pulling rod 303 penetrating through one side surface of the supporting plate 301 is fixed on the other side surface of the sliding plate 302, and a spring is sleeved outside the pulling rod 303 and positioned on the inner side of the supporting plate 301, so that the sliding plate 302 has good elasticity; when the plug connector 3 is in a limiting state, two plug rods on the sliding plate block 302 penetrate through one side surface of the supporting block 104 and are inserted into two limiting insertion holes 202 formed in one side surface of the hexagonal cylinder 201, so that the hexagonal cylinder 201 can be effectively fixed on the supporting block 104;
as shown in fig. 2 and fig. 6, the synchronous driving member 4 includes two L-shaped driving blocks 401, a pull rope a402, and a T-shaped bracket 403, the number of the L-shaped driving blocks 401 is two, and two T-shaped sliding blocks are respectively disposed on the upper end surfaces of the two L-shaped driving blocks 401, and the two T-shaped sliding blocks are respectively connected with two T-shaped sliding grooves disposed on the bottom end surface of the supporting block 104 in a sliding manner, so that the L-shaped driving blocks 401 can slide on the bottom end surface of the supporting block 104 more stably; two pull ropes A402 are fixed on the opposite sides of the upper parts of the two L-shaped driving blocks 401, the other ends of the two pull ropes A402 are fixedly connected with the opposite sides of the two pull rods 303 respectively, the number of the T-shaped supports 403 is two, the two T-shaped supports 403 are installed on the front end face and the rear end face of the supporting block 104 respectively, two pulleys are installed on each T-shaped support 403, and the four pulleys are connected with the two pull ropes A402 in a sliding mode respectively, so that the pull ropes A402 can be guided; the synchronous driving member 4 further comprises two synchronous racks 404 and two synchronous gears 405, the two synchronous racks 404 are respectively fixed on the two L-shaped belt moving blocks 401, and the synchronous gears 405 rotating on the bottom end surfaces of the supporting blocks 104 are engaged between the two synchronous racks 404;
as shown in fig. 1 and 7, ten platinum-iridium alloy electrode rings 501 are uniformly arranged at the front end of the outer peripheral surface of the flexible elastic catheter 5 and used for mapping electrocardiosignals, a pull rope B502 is fixed at the left end inside the flexible elastic catheter 5, and one end of the pull rope B502 is located at the edge of the left end inside the flexible elastic catheter 5, so that one end of the pull rope B502 is fixed at an eccentric position of the left end inside the flexible elastic catheter 5, and the head end of the flexible elastic catheter 5 is more reliable in bending; the other end of the pull rope B502 is fixed on the left end face of the driving slide block 205;
as shown in fig. 8 and 9, the locking portion 6 includes a locking slide case 601, a locking slide block 602, a rectangular slide block 603, and a pressing plate 604, the locking slide case 601 is fixed on the top end face of the Contraband-shaped slide plate 206, the locking slide block 602 slides inside the locking slide case 601, the rectangular slide blocks 603 are respectively arranged on the lower portions of the front and rear end faces of the locking slide block 602, and a slide rod is fixed on the front side of the upper end face of the front rectangular slide block 603 for sliding connection with the rear end of the pressing plate 604; the pressing plate 604 is rotatably connected to the top end face of the Contraband-shaped sliding plate 206 through a support block, so that the pressing plate 604 forms a lever structure, the locking sliding block 602 is convenient to pull upwards, a rectangular sliding opening is formed in the rear side of the right end face of the pressing plate 604, and a sliding rod is slidably connected with the rectangular sliding opening; the lower end of the locking slide block 602 is provided with a locking slip, and the lower edge of the right end face of the locking slip is a round angle; when the locking part 6 is in a locking state, the lower end of the locking insert is inserted into one of the rectangular grooves 204, so that the driving slide block 205 can not slide leftwards any more, and the reliability of the left end of the elastic soft catheter 5 after being bent is improved.
The specific use mode and function of the embodiment are as follows: when the flexible soft catheter is used, after the head end of the flexible soft catheter 5 is inserted into a heart cavity, the driving slide block 205 is manually pulled rightwards, so that the driving slide block 205 drives the head end of the flexible soft catheter 5 to bend through the pull rope B502, then the Contraband-shaped slide plate 206 drives the locking part 6 to slide rightwards, then after the locking part 6 stops sliding rightwards, the lower end of the locking insertion strip at the lower end of the locking slide block 602 is inserted into one of the rectangular grooves 204, and therefore the locking slide shells 601 and Contraband-shaped slide plates 206 and the driving slide block 205 cannot slide leftwards at the moment, and the bending of the head end of the flexible soft catheter 5 can be controlled;
when the head end of the elastic soft catheter 5 is placed in the endocardium of the heart cavity of a person, the supporting seat 1 is firstly clamped and fixed at the edge of the operation bed through the clamping plate 101, one of the clamping screws 102 is manually rotated to enable one of the driving gears to drive the other driving gear through the driving gear 105, so that the other clamping screw 102 is simultaneously rotated in the opposite direction, then the two clamping nuts 103 drive the clamping plate 101 to move upwards under the action of the screw thread, then the supporting seat 1 is fixed at the position of the operation bedside through the anti-skid rubber mat on the top end surface inside the supporting seat 1 and the upper end surface of the clamping plate 101, then the hexagonal cylinder 201 on the handle 2 is placed inside the groove on the supporting block 104, then, after the hexagonal cylinder 201 is placed inside the groove on the supporting block 104, the inserted rod on the sliding plate 302 is inserted into the limiting insertion hole 202, so that the hexagonal cylinder 201 and the handle 2 are integrally and fixedly supported.
Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (10)
1. A medical controlled bend based mapping microcatheter, comprising: a support base (1);
the supporting seat (1) is of an Contraband-shaped plate-shaped structure, the handle (2) is installed at the upper part of the supporting seat (1), the front end face and the rear end face of the supporting seat (1) are respectively provided with one plug connector (3), and the lower part between the two plug connectors (3) is connected with a synchronous driving piece (4);
handle (2) external fixation has a hexagonal section of thick bamboo (201), and all seted up two spacing jack (202) on six terminal surfaces of hexagonal section of thick bamboo (201) outside a week, handle (2) front end is fixed with connects smooth shell (203), and connect smooth shell (203) preceding terminal surface middle part and seted up the bar opening, be fixed with slide guide (207) in the bar opening on connecting smooth shell (203), and slide guide (207) external slip has drive slider (205), the spring has been cup jointed to slide guide (207) outside, it is fixed with Contraband font slide (206) to drive slider (205) rear side, and Contraband font slide (206) up end installs locking portion (6), it is connected flexible hose (5) to connect smooth shell (203) front end, and connect smooth shell (203) upper end and personally submit even form and seted up rectangle recess (204).
2. The medical-use controlled-curvature-based mapping microcatheter of claim 1, wherein: a clamping plate (101) slides on the inner side of the supporting seat (1) through four vertical guide rods, two clamping nuts (103) are arranged on the upper end surface of the clamping plate (101) in a bilateral symmetry manner, a clamping screw (102) is connected to the inside of each clamping nut (103) through threads, and the lower ends of the two clamping screws (102) penetrate through the clamping plate (101);
the two clamping screws (102) are rotatably connected to the front portion of the inner side of the supporting seat (1), a driving gear is fixed to the upper end of the outer portion of each clamping screw (102), a transmission gear (105) which rotates on the top end face of the supporting seat (1) is meshed between the two driving gears, a supporting block (104) is fixed to the rear side of the top end face of the supporting seat (1), a groove is formed in the upper end face of the supporting block (104), the shape of the lower end of the groove is matched with the shape of the lower end of the hexagonal cylinder (201), the hexagonal cylinder (201) is located inside the groove, and two T-shaped sliding grooves are formed in the bottom end face of the supporting block (104).
3. The medical controlled bend-based mapping microcatheter of claim 2, wherein: the front side surface of the interior of the supporting seat (1) is bilaterally symmetrical and is provided with two dovetail sliding grooves, the front end surface of the clamping plate (101) is bilaterally symmetrical and is provided with two dovetail sliding blocks, and the two dovetail sliding blocks are respectively connected with the two dovetail sliding grooves in a sliding manner;
and anti-skid rubber pads are arranged on the top end surface inside the supporting seat (1) and the upper end surface of the clamping plate (101).
4. The medical-use controlled-curvature-based mapping microcatheter of claim 2, wherein: the plug connector (3) comprises a supporting plate (301), a sliding plate block (302) and a pulling rod (303), the supporting plate (301) is of an Contraband-shaped structure, and the supporting plate (301) is fixed on one side face of the supporting block (104);
the inner side of the supporting plate (301) slides with a sliding plate block (302), two inserting rods are symmetrically arranged on one side of the sliding plate block (302), a pulling rod (303) penetrating through one side of the supporting plate (301) is fixed on the other side of the sliding plate block (302), and a spring is sleeved on the inner side of the supporting plate (301) outside the pulling rod (303).
5. The medical-use controlled-curvature-based mapping microcatheter of claim 4, wherein: when the plug connector (3) is in a limiting state, two plug rods on the sliding plate block (302) penetrate through one side face of the supporting block (104) and are plugged with two limiting insertion holes (202) formed in one side face of the hexagonal cylinder (201).
6. The medical controlled bend-based mapping microcatheter of claim 4, wherein: the synchronous driving piece (4) comprises two L-shaped driving blocks (401), a pull rope A (402) and a T-shaped support (403), the number of the L-shaped driving blocks (401) is two, two T-shaped sliding blocks are arranged on the upper end surfaces of the two L-shaped driving blocks (401), and the two T-shaped sliding blocks are respectively in sliding connection with two T-shaped sliding grooves formed in the bottom end surface of the supporting block (104);
two L type area movable block (401) upper portion looks back of the body all is fixed with a stay cord A (402), and two stay cord A (402) other ends respectively with two pull rod (303) looks back of the body fixed connection, the quantity of T type support (403) is two, and installs respectively on both ends face around supporting shoe (104) two T type supports (403), all installs two pulleys on every T type support (403), and four pulleys respectively with two stay cord A (402) sliding connection.
7. The medical-use controlled-curvature-based mapping microcatheter of claim 6, wherein: the synchronous driving piece (4) further comprises two synchronous racks (404) and two synchronous gears (405), the two synchronous racks (404) are respectively fixed on the two L-shaped driving blocks (401), and the synchronous gears (405) rotating on the bottom end faces of the supporting blocks (104) are meshed between the two synchronous racks (404).
8. The medical-use controlled-curvature-based mapping microcatheter of claim 1, wherein: ten platinum-iridium alloy electrode rings (501) are uniformly arranged at the front end of the outer peripheral surface of the elastic soft catheter (5), a pull rope B (502) is fixed at the left end inside the elastic soft catheter (5), and one end of the pull rope B (502) is located at the edge of the left end inside the elastic soft catheter (5);
the other end of the pull rope B (502) is fixed on the left end face of the driving sliding block (205).
9. The medical-use controlled-curvature-based mapping microcatheter of claim 1, wherein: the locking part (6) comprises a locking sliding shell (601), a locking sliding block (602), a rectangular sliding block (603) and a pressing plate (604), the locking sliding shell (601) is fixed on the top end face of the Contraband-shaped sliding plate (206), the locking sliding block (602) slides in the locking sliding shell (601), the rectangular sliding blocks (603) are arranged on the lower portions of the front end face and the rear end face of the locking sliding block (602), and a sliding rod is fixed on the front side of the upper end face of one rectangular sliding block (603) on the front side;
the pressing plate (604) is rotatably connected to the top end face of the Contraband-shaped sliding plate (206) through a support block, a rectangular sliding opening is formed in the rear side of the right end face of the pressing plate (604), and the rectangular sliding opening is connected with a sliding rod in a sliding mode.
10. The medical controlled bend based mapping microcatheter of claim 9, wherein: the lower end of the locking sliding block (602) is provided with a locking cutting, and the lower edge of the right end face of the locking cutting is a round corner;
when the locking part (6) is in a locking state, the lower end of the locking inserting bar is inserted into one of the rectangular grooves (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210158270.XA CN114569136B (en) | 2022-02-21 | 2022-02-21 | Medical controllable bending-based mapping microcatheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210158270.XA CN114569136B (en) | 2022-02-21 | 2022-02-21 | Medical controllable bending-based mapping microcatheter |
Publications (2)
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| CN114569136B CN114569136B (en) | 2023-05-02 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6551302B1 (en) * | 1997-09-24 | 2003-04-22 | Michael J. Rosinko | Steerable catheter with tip alignment and surface contact detector |
| CN106730246A (en) * | 2017-01-16 | 2017-05-31 | 杭州唯强医疗科技有限公司 | It is adapted to the adjustable bent catheter of left-handed operation |
| CN207545617U (en) * | 2017-05-08 | 2018-06-29 | 杭州唯强医疗科技有限公司 | A kind of controllable adjustable bent catheter of deflection distance |
| WO2019009581A1 (en) * | 2017-07-05 | 2019-01-10 | 국립암센터 | Flexible finger assembly and medical instrument including same |
| CN113230519A (en) * | 2021-06-25 | 2021-08-10 | 张潇文 | Little pipe fixing device of nerve intervention art |
| CN113331955A (en) * | 2021-05-26 | 2021-09-03 | 申乐 | Medical equipment storage mechanism for treating vascular diseases |
| WO2022028294A1 (en) * | 2020-08-01 | 2022-02-10 | 深圳市豪华联合科技有限公司 | Clamping device and support |
-
2022
- 2022-02-21 CN CN202210158270.XA patent/CN114569136B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6551302B1 (en) * | 1997-09-24 | 2003-04-22 | Michael J. Rosinko | Steerable catheter with tip alignment and surface contact detector |
| CN106730246A (en) * | 2017-01-16 | 2017-05-31 | 杭州唯强医疗科技有限公司 | It is adapted to the adjustable bent catheter of left-handed operation |
| CN207545617U (en) * | 2017-05-08 | 2018-06-29 | 杭州唯强医疗科技有限公司 | A kind of controllable adjustable bent catheter of deflection distance |
| WO2019009581A1 (en) * | 2017-07-05 | 2019-01-10 | 국립암센터 | Flexible finger assembly and medical instrument including same |
| WO2022028294A1 (en) * | 2020-08-01 | 2022-02-10 | 深圳市豪华联合科技有限公司 | Clamping device and support |
| CN113331955A (en) * | 2021-05-26 | 2021-09-03 | 申乐 | Medical equipment storage mechanism for treating vascular diseases |
| CN113230519A (en) * | 2021-06-25 | 2021-08-10 | 张潇文 | Little pipe fixing device of nerve intervention art |
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| CN114569136B (en) | 2023-05-02 |
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