CN112076381B - Pre-pressing positioning device of balloon catheter developing ring - Google Patents

Pre-pressing positioning device of balloon catheter developing ring Download PDF

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Publication number
CN112076381B
CN112076381B CN202011060446.5A CN202011060446A CN112076381B CN 112076381 B CN112076381 B CN 112076381B CN 202011060446 A CN202011060446 A CN 202011060446A CN 112076381 B CN112076381 B CN 112076381B
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Prior art keywords
balloon catheter
ring
fixedly connected
side wall
positioning
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CN202011060446.5A
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CN112076381A (en
Inventor
刘娟芳
韩新巍
张文广
马骥
李腾飞
闫磊
焦德超
丁鹏旭
王艳丽
水少锋
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First Affiliated Hospital of Zhengzhou University
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First Affiliated Hospital of Zhengzhou University
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M25/1027—Making of balloon catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M25/1027—Making of balloon catheters
    • A61M25/1036—Making parts for balloon catheter systems, e.g. shafts or distal ends
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/32—General characteristics of the apparatus with radio-opaque indicia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2207/00—Methods of manufacture, assembly or production
    • A61M2207/10—Device therefor

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Child & Adolescent Psychology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

The invention discloses a prepressing positioning device of a balloon catheter developing ring, which comprises an installation table, wherein a mandrel is arranged at the top of the installation table, the top of the installation table is rotatably connected with a rotating lead screw through an installation sleeve, the top of the installation table is fixedly connected with a fixed table, the end part of the rotating lead screw is rotatably connected with the side surface of the fixed table, a balloon catheter inner tube is slidably sleeved on the outer side wall of the mandrel, the side surface of the fixed table is fixedly connected with a first positioning ring which is annularly arranged through a transmission rod, and two balloon catheter developing rings are slidably sleeved on the outer side wall of the balloon catheter inner tube. According to the invention, through the cooperation between the transmission mechanism and the linkage mechanism, the positioning and fixing of the positions of the two balloon catheter developing rings are completed, the problem that the fixing mode of the existing balloon catheter developing ring sleeved on the inner tube of the balloon catheter is insufficient is solved, and the balloon catheter developing ring after stable positioning is beneficial to the subsequent installation and fixing of the balloon catheter developing ring.

Description

Pre-pressing positioning device of balloon catheter developing ring
Technical Field
The invention relates to the technical field of balloon catheters, in particular to a prepressing positioning device of a balloon catheter developing ring.
Background
The sacculus dilating catheter is a medical intervention device, and has the main functions of upper gastrointestinal stenosis dilation treatment, coronary heart disease interventional treatment can be carried out through a naked sacculus, a metal naked stent and the like, and the stent needs the sacculus catheter as a conveying system for positioning, dilating, releasing and the like, so that the application of the sacculus catheter can not be left no matter which interventional treatment means is adopted, and in the interventional operation process, a doctor positions the position of the sacculus by depending on the nontransmissibility of a developing ring ray of the sacculus under the guidance of digital subtraction angiography equipment, so the accuracy of the position of the developing ring of the sacculus catheter can influence the accuracy and the effectiveness of a sacculus dilating target diseased blood vessel.
The installation of the developer ring generally includes two steps: pre-pressing and positioning a developing ring: the purpose is to fix the position of the developing ring; developing ring forging and pressing, be about to in the plastics pipe fitting of developing ring compress tightly embedding inner tube that has fixed, present developing ring installation can establish two developing rings on the inner tube according to actual demand cover in proper order, then install two developing rings on sacculus pipe inner tube through closing device in proper order, whole process is loaded down with trivial details relatively, and degree of automation is not high, the installation is comparatively time-consuming, and present developing ring cover is not abundant enough at the fixed mode behind the inner tube, make developing ring probably slide on the inner tube, it is fixed to the location of developing ring to influence closing device, for this reason, provide a sacculus pipe developing ring's pre-compaction positioner.
Disclosure of Invention
The invention aims to solve the defects of relatively complex installation process and low automation degree of a developing ring in the prior art, and provides a prepressing positioning device of a balloon catheter developing ring.
In order to achieve the purpose, the invention adopts the following technical scheme:
the prepressing positioning device of the balloon catheter developing ring comprises an installation table, wherein a mandrel is placed at the top of the installation table, a rotary lead screw is rotatably connected to the top of the installation table through an installation sleeve, a fixed table is fixedly connected to the top of the installation table, the end part of the rotary lead screw is rotatably connected with the side surface of the fixed table, a balloon catheter inner tube is slidably sleeved on the outer side wall of the mandrel, a first positioning ring which is annularly arranged is fixedly connected to the side surface of the fixed table through a transmission rod, two balloon catheter developing rings are slidably sleeved on the outer side wall of the balloon catheter inner tube, the first positioning ring is positioned on the outer side wall of the balloon catheter developing ring, a sliding table is sleeved on the outer side wall of the rotary lead screw in a threaded manner, a limiting rod which slides in the sliding table is fixedly connected to the top of the installation table, and a second positioning ring is connected to the side surface of the sliding table through a transmission mechanism, the second positioning ring is positioned on the outer side wall of the other balloon catheter developing ring, the side faces of the first positioning ring and the second positioning ring are fixedly connected with abutting blocks, and the first positioning ring and the second positioning ring are connected with a linkage mechanism and a pressing mechanism.
Preferably, the top of the mounting table is fixedly connected with a scale plate, the side of the sliding table is fixedly connected with an indicating rod, and the end of the indicating rod is located on the side of the scale plate.
Preferably, drive mechanism is including establishing the motor chamber in the sliding stand side, the inside fixedly connected with driving motor in motor chamber, driving motor's output extends to the outside and the fixedly connected with dead lever of sliding stand, driving motor's one end fixed rotation is kept away from to the dead lever is connected with first spring beam, the top fixed connection of installation pole and sliding stand is passed through to the side of first spring beam, two telescopic links of lateral wall fixedly connected with of dead lever, the tip fixedly connected with counterweight ball of dead lever is kept away from to the telescopic link, counterweight ball's side is rotated and is connected with the connecting rod, counterweight ball's one end is kept away from to the connecting rod and the side of the first spring beam other end is rotated and is connected, the top and the second position ring fixed connection of first spring beam.
Preferably, the second positioning ring is arranged in an elliptical ring shape.
Preferably, the link gear is including setting up the connector in supporting the dog side, the inside wall fixedly connected with first contact of connector, the side of first contact is equipped with the second contact, the equal fixedly connected with lug in both ends of second contact, the side fixedly connected with second spring beam of lug, the one end that the lug was kept away from to the second spring beam with support the inside wall fixed connection of dog, the inside wall fixedly connected with annular location magnetic path that sets up of connector, the inside wall of location magnetic path and the lateral wall sliding connection of sacculus pipe development ring, first contact external power source is located the inside second contact side of fixed station top support dog is through first wire and driving motor electric connection.
Preferably, the inner side wall of the positioning magnetic block is correspondingly attracted with the outer side wall of the balloon catheter developing ring.
Preferably, hold-down mechanism includes two electric putter of fixed connection on first holding ring and second holding ring inside wall, electric putter's output and the contact of the lateral wall of sacculus pipe development ring are located the inside second contact side of dog is supported to sacculus pipe development ring top passes through second wire and a plurality of electric putter electric connection.
Compared with the prior art, the invention has the beneficial effects that:
1. through the cooperation work between drive mechanism and the link gear, when making first sacculus pipe development ring remove, stop at the position that corresponds the dog, accomplished the location of sacculus pipe development ring, along with the stop of sacculus pipe development ring, the second contact and the work of first contact drive driving motor of mutual contact, make second holding ring edgewise slide to the week side of sacculus pipe inner tube, the route that second sacculus pipe development ring removed stops, along with the removal location back of second sacculus pipe development ring, the location of two sacculus pipe development ring positions is fixed, solved the not enough circumstances of fixed mode behind the sacculus pipe inner tube of present sacculus pipe development ring cover, the sacculus pipe development ring after the stable location helps follow-up to the installation of sacculus pipe development ring fixed.
2. Through drive mechanism, cooperation work between link gear and the hold-down mechanism, make sacculus pipe development ring after the second location drive a plurality of electric putter work, with sacculus pipe development ring erection lock on the lateral wall of sacculus pipe inner tube, accomplish the installation between sacculus pipe inner tube and the sacculus pipe development ring, the effectual traditional whole process of having solved is loaded down with trivial details relatively, and the not high condition of degree of automation, whole flow automation degree is high, the effectual installation of having practiced thrift sacculus pipe development ring, and the installation efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a pre-pressing positioning device of a balloon catheter developing ring according to the present invention;
FIG. 2 is a schematic structural view of a calibration plate of the pre-pressing positioning device of the balloon catheter developing ring according to the present invention;
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is an enlarged view at B in FIG. 2;
fig. 5 is a schematic structural view of a balloon catheter developing ring of the pre-pressing positioning device of the balloon catheter developing ring according to the present invention;
FIG. 6 is a schematic structural view of a second guide wire of the pre-pressing positioning device of the balloon catheter developing ring according to the present invention;
FIG. 7 is an enlarged view at C of FIG. 5;
fig. 8 is a schematic structural view of a first positioning ring of the pre-pressing positioning device of the balloon catheter developing ring according to the present invention;
Fig. 9 is a schematic structural view of a second positioning ring of the pre-pressing positioning device of a balloon catheter developing ring according to the present invention.
In the figure: the balloon catheter comprises an installation table 1, a balloon catheter inner tube 2, a mandrel 3, a rotating screw rod 4, a fixing table 5, a scale plate 6, a stop dog 7, a first positioning ring 8, a second positioning ring 9, an indicating rod 10, a first spring rod 11, a fixing rod 12, a connecting rod 13, a counterweight ball 14, a telescopic rod 15, a sliding table 16, a driving motor 17, a balloon catheter developing ring 18, a first contact piece 19, a second contact piece 20, an electric push rod 21, a second spring rod 22, a positioning magnetic block 23, a first lead wire 24 and a second lead wire 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-9, a pre-pressing positioning device for balloon catheter developing rings comprises a mounting table 1, a mandrel 3 is placed at the top of the mounting table 1, the top of the mounting table 1 is rotatably connected with a rotating lead screw 4 through a mounting sleeve, the top of the mounting table 1 is fixedly connected with a scale plate 6, the side of a sliding table 16 is fixedly connected with an indicating rod 10, the end of the indicating rod 10 is located at the side of the scale plate 6, the top of the mounting table 1 is fixedly connected with a fixed table 5, the end of the rotating lead screw 4 is rotatably connected with the side of the fixed table 5, the outer side wall of the mandrel 3 is slidably sleeved with a balloon catheter inner tube 2, the side of the fixed table 5 is fixedly connected with a first positioning ring 8 arranged in a circular ring shape through a transmission rod, the outer side wall of the balloon catheter inner tube 2 is slidably sleeved with two balloon catheter developing rings 18, the first positioning ring 8 is located at the outer side wall of the balloon catheter developing ring 18, the outer side wall of the rotating lead screw 4 is threadedly sleeved with the sliding table 16, the top of the mounting table 1 is fixedly connected with a limiting rod which slides in the sliding table 16.
The side surface of the sliding table 16 is connected with a second positioning ring 9 through a transmission mechanism, the second positioning ring 9 is positioned on the outer side wall of another balloon catheter developing ring 18, the side surfaces of the first positioning ring 8 and the second positioning ring 9 are fixedly connected with a resisting block 7, the transmission mechanism comprises a motor cavity arranged on the side surface of the sliding table 16, the interior of the motor cavity is fixedly connected with a driving motor 17, the output end of the driving motor 17 extends to the exterior of the sliding table 16 and is fixedly connected with a fixed rod 12, one end of the fixed rod 12 far away from the driving motor 17 is fixedly and rotatably connected with a first spring rod 11, the side surface of the first spring rod 11 is fixedly connected with the top of the sliding table 16 through a mounting rod, the outer side wall of the fixed rod 12 is fixedly connected with two telescopic rods 15, the end part of the telescopic rod 15 far away from the fixed rod 12 is fixedly connected with a counterweight ball 14, the side surface of the counterweight ball 14 is rotatably connected with a connecting rod 13, one end of the connecting rod 13 far away from the counterweight ball 14 is rotatably connected with the side surface of the other end of the first spring rod 11, the top of the first spring rod 11 is fixedly connected with a second positioning ring 9, and the second positioning ring 9 is in an elliptical ring shape.
The first positioning ring 8 and the second positioning ring 9 are both connected with a linkage mechanism and a pressing mechanism, the linkage mechanism comprises a connector arranged on the side surface of the abutting block 7, the inner side wall of the connector is fixedly connected with a first contact piece 19, the side surface of the first contact piece 19 is provided with a second contact piece 20, two ends of the second contact piece 20 are both fixedly connected with convex blocks, the side surface of each convex block is fixedly connected with a second spring rod 22, one end of the second spring rod 22 far away from the convex block is fixedly connected with the inner side wall of the abutting block 7, the inner side wall of the connector is fixedly connected with a positioning magnetic block 23 which is arranged in an annular shape, the inner side wall of the positioning magnetic block 23 is in sliding connection with the outer side wall of the balloon catheter developing ring 18, the first contact piece 19 is externally connected with a power supply, the side surface of the second contact piece 20 which is arranged above the abutting block 7 and above the fixed table 5 is electrically connected with the driving motor 17 through a first lead 24, and the inner side wall of the positioning magnetic block 23 is correspondingly attracted with the outer side wall of the balloon catheter developing ring 18, through the matching work between the transmission mechanism and the linkage mechanism, when the first balloon catheter developing ring 18 moves, the position corresponding to the abutting block 7 stops, the positioning of the balloon catheter developing ring 18 is completed, along with the stop of the balloon catheter developing ring 18, the second contact piece 20 and the first contact piece 19 which are contacted with each other drive the driving motor 17 to work, so that the second positioning ring 9 slides to the peripheral side of the balloon catheter inner tube 2 from the side surface, the moving path of the second balloon catheter developing ring 18 is blocked, and after the moving positioning of the second balloon catheter developing ring 18, the positioning and fixing of the positions of the two balloon catheter developing rings 18 are completed, the problem that the fixing mode of the current balloon catheter developing ring 18 sleeved on the balloon catheter inner tube 2 is insufficient is solved, and the stably positioned balloon catheter developing ring 18 is beneficial to the subsequent installation and fixing of the balloon catheter developing ring 18, it should be noted that, the balloon catheter development ring 18 stops moving forward corresponding to the blocking of the second contact piece 20, the balloon catheter development ring 18 is further locked by the attraction effect of the positioning magnetic block 23, and the second contact piece 20 and the first contact piece 19 can be reset and separated after the balloon catheter development ring 18 leaves by the arrangement of the second spring rod 22.
The pressing mechanism comprises two electric push rods 21 fixedly connected to the inner side walls of a first positioning ring 8 and a second positioning ring 9, the output ends of the electric push rods 21 are contacted with the outer side wall of the balloon catheter developing ring 18, the side surface of a second contact piece 20 positioned above the balloon catheter developing ring 18 and inside a resisting block 7 is electrically connected with the electric push rods 21 through a second lead 25, and through the matching work among a transmission mechanism, a linkage mechanism and the pressing mechanism, the balloon catheter developing ring 18 after second positioning drives the electric push rods 21 to work, the balloon catheter developing ring 18 is installed and locked on the outer side wall of the balloon catheter inner tube 2, the installation between the balloon catheter inner tube 2 and the balloon catheter developing ring 18 is completed, the problem that the traditional whole process is relatively complicated and the automation degree is not high is effectively solved, the whole process is high in degree, and the installation process of the balloon catheter developing ring 18 is effectively saved, the installation efficiency is improved.
In the invention, a balloon catheter inner tube 2 is sleeved on the outer side wall of a mandrel 3 in a sliding manner, then a rotating screw rod 4 is rotated, the rotating screw rod 4 drives a sliding table 16 on the rotating screw rod 4 to slide, the sliding table 16 slides to a proper position through reading of a scale plate 6, then one balloon catheter developing ring 18 is sleeved on the outer side wall of the balloon catheter inner tube 2 in a sliding manner, the balloon catheter developing ring 18 slides until contacting a second contact piece 20 in a resisting block 7 above a fixed table 5, the second contact piece 20 contacts with a first contact piece 19, the balloon catheter developing ring 18 stops sliding, the outer side wall of the balloon catheter developing ring 18 is attracted with a positioning magnetic block 23 in the resisting block 7, the balloon catheter developing ring 18 is positioned at the top corresponding to the position of the balloon catheter developing ring 18, and the balloon catheter developing ring 18 is right positioned in the first positioning ring 8, along with the contact between the second contact piece 20 and the first contact piece 19, the second contact piece 20 enables the driving motor 17 to be electrified through the first lead 24, the electrified driving motor 17 works to drive the fixing rod 12 to rotate, the rotating fixing rod 12 enables the counterweight ball 14 on the outer side wall of the fixing rod 12 to rotate to do centrifugal motion, the counterweight ball 14 moves outwards to drive the connecting rod 13 to move outwards, correspondingly, the first spring rod 11 is pulled to move downwards integrally to enable the second positioning ring 9 on the end part of the first spring rod 11 to move downwards until the electric push rod 21 on the inner side wall of the second positioning ring 9 moves to the periphery of the balloon catheter inner tube 2, at the moment, the second balloon catheter developing ring 18 is sleeved on the balloon catheter inner tube 2 in a sliding manner, the second positioning ring 9 moves downwards integrally to enable the balloon catheter developing ring 18 not to move continuously to the position of the first balloon catheter developing ring 18, and the balloon catheter developing ring 18 slides to the side face of the second contact piece 20 correspondingly abutting against the inside of the stop block 7, similarly, the balloon catheter developing ring 18 is positioned by the corresponding positioning magnetic block 23, so that the position of the balloon catheter developing ring 18 is stabilized, along with the mutual contact between the second contact piece 20 and the first contact piece 19, the second lead 25 on the second contact piece 20 enables the plurality of electric push rods 21 to be electrified, the electrified electric push rods 21 work, the forward-pushed electric push rods 21 enable the balloon catheter developing ring 18 to be tightly pressed on the outer side wall of the balloon catheter inner tube 2, the balloon catheter developing ring 18 is installed on the outer side wall of the balloon catheter inner tube 2, and the subsequent work is facilitated to be continuously carried out.
After the positioning is completed, along with the separation of the balloon catheter inner tube 2 and the balloon catheter developing ring 18, the compressed second spring rod 22 drives the second contact piece 20 to be separated from the first contact piece 19, so that the driving motor 17 is powered off, the driving motor 17 which stops working resets the counterweight ball 14 to drive the second positioning ring 9 to recover, and meanwhile, the electric push rods 21 are powered off for next processing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (4)

1. The prepressing positioning device of the balloon catheter developing ring comprises a mounting table (1) and is characterized in that a mandrel (3) is placed at the top of the mounting table (1), a rotary lead screw (4) is rotatably connected to the top of the mounting table (1) through a mounting sleeve, a fixed table (5) is fixedly connected to the top of the mounting table (1), the end of the rotary lead screw (4) is rotatably connected with the side surface of the fixed table (5), a balloon catheter inner tube (2) is slidably sleeved on the outer side wall of the mandrel (3), a first positioning ring (8) which is annularly arranged on the side surface of the fixed table (5) through a transmission rod is fixedly connected with the outer side wall of the balloon catheter inner tube (2), two balloon catheter developing rings (18) are slidably sleeved on the outer side wall of the balloon catheter developing rings (8), a sliding table (16) is sleeved on the outer side wall thread of the rotary lead screw (4), the top of the mounting table (1) is fixedly connected with a limiting rod which slides in the sliding table (16), the side surface of the sliding table (16) is connected with a second positioning ring (9) through a transmission mechanism, the second positioning ring (9) is positioned on the outer side wall of the other balloon catheter developing ring (18), the side surfaces of the first positioning ring (8) and the second positioning ring (9) are both fixedly connected with a resisting block (7), and the first positioning ring (8) and the second positioning ring (9) are both connected with a linkage mechanism and a pressing mechanism;
The top of the mounting table (1) is fixedly connected with a scale plate (6), the side surface of the sliding table (16) is fixedly connected with an indicating rod (10), and the end part of the indicating rod (10) is positioned on the side surface of the scale plate (6);
the transmission mechanism comprises a motor cavity arranged on the side face of the sliding table (16), a driving motor (17) is fixedly connected inside the motor cavity, the output end of the driving motor (17) extends to the outside of the sliding table (16) and is fixedly connected with a fixing rod (12), one end, far away from the driving motor (17), of the fixing rod (12) is fixedly and rotatably connected with a first spring rod (11), the side face of the first spring rod (11) is fixedly connected with the top of the sliding table (16) through an installation rod, the outer side wall of the fixing rod (12) is fixedly connected with two telescopic rods (15), the end, far away from the fixing rod (12), of each telescopic rod (15) is fixedly connected with a counterweight ball (14), the side face of each counterweight ball (14) is rotatably connected with a connecting rod (13), one end, far away from the counterweight ball (14), of each connecting rod (13) is rotatably connected with the side face of the other end of the first spring rod (11), the top of the first spring rod (11) is fixedly connected with a second positioning ring (9);
the linkage mechanism comprises a connector arranged on the side surface of the abutting block (7), the inner side wall of the connector is fixedly connected with a first contact piece (19), a second contact piece (20) is arranged on the side surface of the first contact piece (19), both ends of the second contact piece (20) are fixedly connected with a convex block, the side surface of the convex block is fixedly connected with a second spring rod (22), one end of the second spring rod (22) far away from the convex block is fixedly connected with the inner side wall of the abutting block (7), the inner side wall of the connector is fixedly connected with a positioning magnetic block (23) which is arranged annularly, the inner side wall of the positioning magnetic block (23) is in sliding connection with the outer side wall of the balloon catheter developing ring (18), the first contact piece (19) is externally connected with a power supply, and the side surface of a second contact piece (20) positioned above the fixed table (5) and inside the abutting block (7) is electrically connected with the driving motor (17) through a first lead (24).
2. The pre-pressing positioning device for the developing ring of the balloon catheter as claimed in claim 1, wherein the second positioning ring (9) is in an elliptical ring shape.
3. The pre-pressing positioning device of the balloon catheter developing ring as claimed in claim 2, wherein the inner side wall of the positioning magnetic block (23) is correspondingly attracted to the outer side wall of the balloon catheter developing ring (18).
4. The pre-pressing positioning device of the balloon catheter developing ring according to claim 3, wherein the pressing mechanism comprises two electric push rods (21) fixedly connected to the inner side walls of the first positioning ring (8) and the second positioning ring (9), the output ends of the electric push rods (21) are in contact with the outer side wall of the balloon catheter developing ring (18), and the side surface of the second contact piece (20) located inside the abutting block (7) above the balloon catheter developing ring (18) is electrically connected with the electric push rods (21) through a second lead (25).
CN202011060446.5A 2020-09-30 2020-09-30 Pre-pressing positioning device of balloon catheter developing ring Active CN112076381B (en)

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CN112076381B true CN112076381B (en) 2022-05-24

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Publication number Priority date Publication date Assignee Title
CN113018640A (en) * 2021-04-23 2021-06-25 柏为（武汉）医疗科技股份有限公司 Pipe developing ring pre-compaction positioner
CN113532387A (en) * 2021-07-22 2021-10-22 中建八局浙江建设有限公司 Tower crane verticality detection device

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CN106310494A (en) * 2015-06-27 2017-01-11 先健科技(深圳)有限公司 Pre-pressing and positioning apparatus for developing ring of balloon catheter
CN104958826A (en) * 2015-07-28 2015-10-07 上海百心安生物技术有限公司 Device for pressing developing point

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