WO2021135385A1 - 导管导丝协同推送装置及导管导丝协同推送系统 - Google Patents

导管导丝协同推送装置及导管导丝协同推送系统 Download PDF

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Publication number
WO2021135385A1
WO2021135385A1 PCT/CN2020/114905 CN2020114905W WO2021135385A1 WO 2021135385 A1 WO2021135385 A1 WO 2021135385A1 CN 2020114905 W CN2020114905 W CN 2020114905W WO 2021135385 A1 WO2021135385 A1 WO 2021135385A1
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WO
WIPO (PCT)
Prior art keywords
catheter
guide wire
driven gear
screw
fixing member
Prior art date
Application number
PCT/CN2020/114905
Other languages
English (en)
French (fr)
Inventor
张庭超
俞佳威
丘信炯
Original Assignee
杭州唯强医疗科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN201922490430.7U external-priority patent/CN211935127U/zh
Priority claimed from CN201911424572.1A external-priority patent/CN113117217A/zh
Application filed by 杭州唯强医疗科技有限公司 filed Critical 杭州唯强医疗科技有限公司
Publication of WO2021135385A1 publication Critical patent/WO2021135385A1/zh

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Classifications

    • 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
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding 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
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires

Definitions

  • This application relates to the technical field of medical devices, and in particular to a catheter guide wire cooperative pushing device and a catheter guide wire cooperative pushing system for vascular interventional surgery.
  • vascular interventional surgery is an important means to treat cardiovascular and cerebrovascular diseases. Compared with traditional surgical treatment, the trauma to the human body is greatly reduced.
  • the process of vascular interventional surgery is usually: first use a puncture needle to puncture the superficial artery or superficial vein of the human body, then the guide wire and catheter enter the human vascular system through the puncture point incision, and then the guide wire and catheter are alternately pushed until the catheter is pushed to the target Position, and then use the catheter as a channel to deliver the medical instruments and/or drugs to the target location, so as to treat the lesion in the blood vessel.
  • Common vascular interventional procedures include arterial occlusion, interventional open surgery, angioplasty, and so on.
  • vascular interventional surgery mainly relies on doctors to manually push the guide wire and catheter according to their operating habits.
  • doctors When the guide wire and catheter are close to the target position, especially when the blood vessel is severely occluded, it is necessary to accurately alternately push the guide wire and catheter.
  • the accuracy of manual push of the guide wire and catheter is low, and the pushing distance is not easy to control. It often requires repeated attempts, which is not only inefficient, but may also cause undesirable damage to the blood vessel.
  • Existing catheter guide wire cooperative operation devices often have problems such as many parts, complex structure, and large overall volume.
  • the present application provides a catheter guide wire cooperative pushing device and a catheter guide wire cooperative pushing system that can accurately push the guide wire and the catheter, and have a simple structure, small volume, and convenient assembly.
  • a catheter guide wire cooperative pushing device provided by the present application is used to push a catheter and a guide wire partially penetrated in the catheter, including:
  • a catheter fixing member which is fixedly connected to the catheter
  • a guide wire fixing member which is fixedly connected to the part of the guide wire that is arranged outside the catheter;
  • the rotating component includes a first rotating component and a second rotating component.
  • the first rotating component is connected between the driving component and the catheter fixing member, and the second rotating component is connected to the driving component and the catheter fixing member. Between the guide wire fixing parts;
  • the driving assembly is used to drive the first rotating assembly and the second rotating assembly to rotate in opposite directions, so that the guide wire fixing member and the catheter fixing member respectively drive the guide wire and the catheter to move alternately or Synchronized movement.
  • a catheter guide wire cooperative pushing system provided by the present application includes a guide wire, a catheter, and the catheter guide wire cooperative pushing device, the catheter is fixedly connected to the catheter fixing member, and the guide wire part The guide wire passes through the catheter and the part of the guide wire outside the catheter is fixedly connected to the guide wire fixing member.
  • the catheter guide wire cooperative pushing device provided by the present application is achieved by connecting a first rotating assembly to the driving assembly and the guide wire fixing member and connecting a second rotating assembly to the driving assembly and the catheter fixing member In between, when the driving assembly drives the first rotating assembly and the second rotating assembly, the first rotating assembly and the second rotating assembly can respectively drive the guide wire fixing part and the catheter fixing part to move alternately or synchronously, thereby driving the guide wire and the catheter Alternate or synchronized movement to achieve alternate or synchronized push of the guide wire and catheter, effectively improving the push efficiency; a single drive assembly can achieve the coordinated push of the guide wire and catheter, which reduces the number of parts, and has the advantages of simple structure and small size; In the catheter guide wire collaborative pushing device, the installation and disassembly between the catheter fixing part and the catheter is convenient and quick, and the installation and disassembly between the guide wire fixing part and the guide wire is convenient and fast, which is more conducive to shortening the operation time; moreover, compared with the traditional hand-guided wire and catheter
  • Fig. 1 is a schematic diagram of a three-dimensional assembly of a catheter guide wire cooperative pushing device provided by an embodiment of the application;
  • FIG. 2 is an exploded schematic diagram of the catheter guide wire cooperative pushing device provided by the embodiment of the application.
  • Fig. 3 is a schematic diagram of the catheter guide wire cooperative pushing device provided by an embodiment of the application with one side half-shell concealed;
  • 4A is a schematic diagram of the catheter guide wire in cooperation with the pushing device for pushing the guide wire according to an embodiment of the application;
  • FIG. 4B is a schematic diagram of the catheter guide wire cooperated with the pushing device to push the catheter according to the embodiment of the application;
  • FIG. 5 is a schematic diagram of gear transmission of another structure of the catheter guide wire cooperative pushing device provided by the embodiment of the application.
  • FIG. 6 is a schematic diagram of the driving gear, the housing, and the operating rod of the catheter guide wire cooperative pushing device provided by an embodiment of the application;
  • FIG. 7 is a schematic diagram of the second driven gear and the second screw rod of the catheter guide wire cooperative pushing device provided by the embodiment of the application;
  • Fig. 8 is a schematic structural diagram of a catheter fixing method in a catheter guide wire cooperative pushing device provided by an embodiment of the application;
  • 9A is a structural exploded schematic diagram of the guide wire fixing method in the catheter guide wire cooperative pushing device provided by the embodiment of the application;
  • 9B is a rear view of the guide wire fixing structure in the catheter guide wire cooperative pushing device provided by the embodiment of the application;
  • Fig. 9C is a schematic cross-sectional view taken along line A-A in Fig. 9B;
  • FIG. 10 is a schematic diagram of the self-locking structure in the catheter guide wire cooperative pushing device provided by an embodiment of the application;
  • Figure 11 is a schematic diagram of the catheter guide wire provided by the embodiment of the application when working in cooperation with the pushing device;
  • FIG. 12 is a schematic diagram of the guide wire and the catheter coordinated advancement in the vascular occlusion segment of the catheter guide wire in cooperation with the pushing device provided by the embodiment of the application.
  • an embodiment of the present application provides a catheter guide wire cooperative pushing device 100.
  • the device is suitable for precise coordinated alternate push or synchronous push of the catheter 10 and the guide wire 11 during intravascular interventional therapy.
  • the guide wire 11 passes through one end of the catheter 10 and passes through the other end of the catheter 10.
  • the catheter guide wire cooperative pushing device 100 includes a housing 40, a first rotating assembly 22, a second rotating assembly 23, a catheter fixing member 30, and a guide wire fixing member 34.
  • the housing 40 is generally in the shape of a hollow cylinder.
  • the outer shell 40 is formed by the left half-shell 41 and the right half-shell 42 being joined together.
  • the left half-shell 41 and the right half-shell 42 can be butt-connected by means of snapping, bonding, screwing, or the like.
  • the space enclosed by the left half-shell 41 and the right half-shell 42 forms an inner cavity of the outer shell 40.
  • the axial direction (the axial direction is also the length extension direction) of the housing 40 is defined as the Y-axis direction, where the direction indicated by the arrow is the Y-axis positive direction.
  • the outer peripheral surface of the housing 40 is provided with a first through groove 91 and a second through groove 92 that communicate the inner cavity of the housing 40 and the space outside the housing 40.
  • the first through groove 91 and the second through groove 92 are arranged along the Y-axis direction. Further, both the first through groove 91 and the second through groove 92 are elongated. Both the first through groove 91 and the second through groove 92 extend along the Y-axis direction.
  • the guide wire 11 and the catheter 10 are disposed outside the housing 40 and both extend along the axial direction of the housing 40.
  • both the guide wire 11 and the catheter 10 extend along the Y-axis direction.
  • a part of the duct 10 is opposite to the position where the first through slot 91 is located, and the other part of the duct 10 extends in the positive direction of the Y-axis.
  • a part of the guide wire 11 is opposite to the position where the second through slot 92 is located, and the other part of the guide wire 11 is inserted through the catheter 10 and extends in the lumen of the catheter 10, and passes through the catheter 10.
  • the first rotating component 22 and the second rotating component 23 are both disposed in the inner cavity of the housing 40.
  • one end of the catheter fixing member 30 is provided in the inner cavity of the housing 40 and connected to the first rotating assembly 22, and the other end of the catheter fixing member 30 passes through the first through slot 91 Extend the casing 40 and fixedly connect the duct 10.
  • the manner in which the catheter fixing member 30 is fixed to the catheter 10 is a detachable connection manner.
  • One end of the guide wire fixing member 34 is disposed in the inner cavity of the housing 40 and connected to the second rotating assembly 23.
  • the other end of the guide wire fixing member 34 protrudes out of the housing 40 through the second through slot 92 and is fixedly connected to the part of the guide wire 11 outside the catheter 10.
  • the guide wire fixing member 34 is fixed to the guide wire 11 in a detachable connection manner.
  • the catheter guide wire cooperative pushing device 100 further includes a driving assembly 20.
  • the driving assembly 20 is disposed in the housing 40 or partly in the housing 40. Outside.
  • the first rotating assembly 22 is connected between the driving assembly 20 and the guide wire fixing member 34, and the second rotating assembly 23 is connected to the driving assembly 20 and the catheter fixing member. Between 30.
  • the driving assembly 20 is used to drive the first rotating assembly 22 and the second rotating assembly 23 to rotate in the opposite direction, so that the guide wire fixing member 34 and the catheter fixing member 30 are individually or jointly Moving in the Y-axis direction, the guide wire fixing member 34 and the catheter fixing member 30 move separately or jointly in the Y-axis direction to drive the guide wire 11 and the catheter 10 to alternately move or synchronize in the Y-axis direction, respectively Move along the Y axis.
  • the catheter guide wire cooperative pushing device provided by the embodiment of the present application is connected between the driving assembly 20 and the guide wire fixing member 34 by providing a first rotating assembly 22, and a second rotating assembly 23 is connected to the driving assembly 20.
  • the first rotating assembly 22 and the second rotating assembly 23 can respectively drive the guide wire fixing member 34 and the catheter fixing
  • the member 30 alternately moves or moves synchronously, and then drives the guide wire 11 and the catheter 10 to alternately move or move synchronously, so as to push the guide wire 11 and the catheter 10 alternately or synchronously, and effectively improve the pushing efficiency;
  • the guide wire 11 can be realized by a driving assembly 20
  • the coordinated push with the catheter 10 reduces the number of components, and has the advantages of simple structure and compact size; the catheter guide wire cooperative pushing device 100 between the catheter fixing member 34 and the catheter 10 is convenient and quick to assemble and disassemble, and the guide wire fixing member 30 and the guide wire The assembly and disassembly between the guide wires 11 is convenient and rapid
  • first rotating component 22 and the second rotating component 23 illustrate the specific structures of the first rotating component 22 and the second rotating component 23.
  • first rotating component 22 and the second rotating component 23 provided in this application include but are not limited to the following embodiments.
  • the catheter guide wire cooperative pushing device 100 further includes a driving gear 44.
  • the rotating shaft of the driving gear 44 is connected to the driving assembly 20.
  • the rotation axis direction of the driving gear 44 is defined as the X axis direction.
  • the first rotating assembly 22 includes a first driven gear 61 and a first screw 46 coaxially connected to the first driven gear 61.
  • the first screw 46 is screwed to the catheter fixing member 34.
  • the second rotating assembly 23 includes a second driven gear 62 and a second screw 47 coaxially connected to the second driven gear 62.
  • the second screw 47 is screwed to the guide wire fixing member 30.
  • the first driven gear 61 and the second driven gear 62 are oppositely arranged on two sides of the driving gear 44.
  • the teeth on the driving gear 44 mesh with the teeth on the first driven wheel 61.
  • the teeth on the driving gear 44 mesh with the teeth on the second driven wheel 62.
  • the driving gear 44 is used to rotate under the action of the drive assembly 20 and drive the first driven gear 61 and the second driven gear 62 to rotate in opposite directions, so that the first screw 46 and the second driven gear 62
  • the two screws 47 rotate in the opposite direction, and drive the catheter fixing member 34 and the guide wire fixing member 30 to alternately or synchronously move in the same direction.
  • first driven gear 61 and the second driven gear 62 are opposed to each other, and the rotation axis of the first driven gear 61 and the rotation axis of the second driven gear 62 may be collinear, a total of The line direction is the Y-axis direction.
  • the axial direction of the driving gear 44 is along the X-axis direction.
  • the axial direction of the driving gear 44 is perpendicular to the axial direction of the first driven gear 61 and the axial direction of the second driven gear 62.
  • one end of the first screw 46 is coaxially and fixedly connected with the first driven gear 61.
  • the other end of the first screw 46 extends in a direction gradually away from the second driven gear 62.
  • the first screw 46 is threadedly connected to the catheter fixing member 30.
  • one end of the second screw 47 and the second driven gear 62 are coaxially and fixedly connected.
  • the other end of the second screw 47 extends in a direction gradually away from the first driven gear 61.
  • the second screw 47 is threadedly connected to the guide wire fixing member 34.
  • the spiral direction of the first screw 46 is opposite to the spiral direction of the second screw 47.
  • the first screw 46 is provided with a left-hand thread
  • the second screw 47 is provided with a right-hand thread.
  • the axes of the first screw 46, the first driven gear 61, the second driven gear 62 and the second screw 47 are all collinear.
  • the first screw 46 corresponds to the first through groove 91
  • the second screw 47 corresponds to the second through groove 92.
  • the catheter fixing member 30 extends from the first screw 46 along the positive direction of the Z axis to extend through the first through slot 91 and is fixedly connected to the catheter 10.
  • the guide wire fixing member 34 extends from the second screw 47 along the positive direction of the Z axis to extend through the second through groove 92 and is fixedly connected to the guide wire 11.
  • the driving gear 44, the first driven gear 61, and the second driven gear 62 are all bevel gears.
  • the bevel teeth of the driving gear 44 can mesh with the bevel teeth of the first driven gear 61 and the bevel teeth of the second driven gear 62.
  • the driving gear 44, the first driven gear 61, and the second driven gear 62 are all bevel gears as an example for description, which will not be repeated hereafter.
  • the driving gear 45 is a spur gear
  • the first driven gear 63 and the second driven gear 64 are both single-sided side gears.
  • the side gear is to provide teeth on the end surface perpendicular to the axial direction of the gear instead of the circumferential surface.
  • the end surface provided with teeth on the first driven gear 63 and the end surface provided with teeth on the second driven gear 64 are opposite to each other.
  • the straight teeth of the driving gear 45 can mesh with the side teeth of the first driven gear 63 and can also mesh with the side teeth of the second driven gear 64.
  • first driven gear 61 and the second driven gear 62 rotate in the opposite direction
  • first screw 46 and the second screw 47 rotate in the opposite direction, but because the second screw
  • the spiral direction of 47 is opposite to the spiral direction of the first screw 46.
  • the first screw 46 and the second screw 47 respectively drive the catheter fixing member 30 and the guide wire fixing member 34 to alternately or synchronously move in the same direction.
  • the driving gear 44 includes, in its circumferential direction, a tooth pattern portion 441 provided with continuous teeth and a smooth surface portion 442 without tooth pattern.
  • the driving gear 44 is a toothless gear, that is, only a part of the circumferential surface of the driving gear 44 is provided with a number of consecutive teeth, and the remaining circumferential surfaces are smooth and no teeth are provided.
  • This application does not impose specific restrictions on the specific number of teeth.
  • the specific number of teeth may be 1-40.
  • the number of teeth of the driving gear 44 is 10.
  • the first driven gear 61 and the second driven gear 62 are complete gears.
  • the first driven gear 61 is separated from the toothed portion 441.
  • the driving gear 44 rotates in a counterclockwise direction (taking the positive direction of the X axis as a reference) to drive the second driven gear 62 to rotate in a counterclockwise direction (taking the positive direction of the Y axis as a reference) during this process
  • the first driven gear 61 does not move. Since the first driven gear 61 does not move, the first screw 46, the catheter fixing member 30, and the catheter 10 do not move.
  • the second screw 47 rotates counterclockwise with the second driven gear 62, and the guide wire fixing member 34 gradually moves along the positive direction of the Y axis with the rotation of the second screw 47 to drive the guide wire 11 relative to the catheter 10 along the Y axis.
  • the shaft moves forward to push the guide wire 11 so that the part of the guide wire 11 extending out of the catheter 10 increases.
  • the second driven gear 62 is separated from the toothed portion 441.
  • the driving gear 44 rotates in a counterclockwise direction (towards the positive direction of the X axis as a reference) to drive the first driven gear 61 to rotate in a clockwise direction (towards the positive direction of the Y axis as a reference), during this process
  • the second driven gear 62 does not move. Since the second driven gear 62 does not move, the second screw 47, the guide wire fixing member 34 and the guide wire 11 do not move.
  • the first screw 46 rotates clockwise with the first driven gear 61, and the catheter fixing member 30 gradually moves along the positive direction of the Y axis with the rotation of the first screw 46 to drive the catheter 10 relative to the guide wire 11 along the Y axis Move forward to push the catheter 10.
  • the driving assembly 20 drives the driving gear 44 to rotate in a clockwise direction (taking the positive direction of the X-axis as a reference)
  • the guide wire 11 and the catheter 10 can alternately move in the reverse direction along the Y-axis.
  • one end of the catheter fixing member 30 is threadedly connected to the first screw 46.
  • the other end of the catheter fixing member 30 extends through the first through slot 91 (see FIG. 1) and is fixedly connected to the catheter 10.
  • One end of the guide wire fixing member 34 is threadedly connected to the second screw 47.
  • the other end of the guide wire fixing member 34 extends through the second through slot 92 (refer to FIG. 1) and is fixedly connected to the guide wire 11.
  • the driving gear 44 When the driving gear 44 continuously rotates, the driving gear 44 alternately meshes with the first driven gear 61 and the second driven gear 62, thereby alternately driving the first driven gear 61 and the second driven gear 62 to rotate alternately, respectively.
  • the first screw 46 and the second screw 47 are driven to rotate alternately, thereby driving the catheter 10 and the guide wire 11 to alternately move along the positive direction of the Y axis.
  • the continuous area of the light surface 442 in the circumferential direction of the driving gear 44 is larger than 2/3 of the driving gear 44.
  • the driving gear 44 is provided with teeth in a continuous 1/4 of the circumferential direction to ensure that the driving When the gear 44 rotates, the driven gears on both sides will not be driven at the same time, so that the guide wire 11 and the catheter 10 can be pushed alternately and coordinately.
  • the modulus and pressure angle of the driving gear 44 and the driven gears on both sides should be equal, so that the driving gear 44 is correctly meshed with the driven gears on both sides.
  • the transmission ratio range of the driving gear 44 and the driven gears on both sides can be selected from 1 to 3, for example, the transmission ratio is 1.
  • the driving gear 44 is provided with continuous teeth on 1/4 of the circumferential direction, the ratio of the number of teeth of the first driven gear 61 and the driving gear 44 is 4, and the number of teeth of the second driven gear 62 and the driving gear 44 is equal to The ratio is 4, so that every time the driving gear 44 rotates one revolution, the first driven gear 61 and the second driven gear 62 respectively rotate 1/4 revolutions, and the first screw 46 and the second screw 47 rotate 1/4 revolutions alternately.
  • the catheter 10 and the guide wire 11 are pushed forward by a distance of 1/4 of the screw lead, so that the pushing distance can be accurately controlled and the pushing accuracy can be improved.
  • the first screw 46 and the second screw 47 may adopt a single thread or multiple threads.
  • the lead range of the first screw 46 and the second screw 47 may be 0.1 mm to 10 mm.
  • the first screw 46 and the second screw 47 may both be single-threaded, with a pitch of 1 mm and a lead of 1 mm.
  • the driving gear 44 is set as a toothless gear
  • the guide wire 11 and the catheter 10 are alternately pushed along the Y axis, which is more in line with the doctor's operating habits.
  • the driving gear 44 may also be a gear without missing teeth, that is, a complete gear.
  • the first driven gear 61 and the second driven gear 62 are also complete gears.
  • the driving gear 44 rotates under the action of the driving assembly 20, the driving gear 44 can drive the first driven gear 61 and the second driven gear 62 to synchronously rotate in reverse, thereby driving the first screw 46 and the second screw 47 to rotate in synchronous reverse. Since the spiral directions of the first screw 46 and the second screw 47 are opposite, the catheter fixing member 30 and the guide wire fixing member 34 can respectively drive the catheter 10 and the guide wire 11 to move synchronously along the Y axis.
  • the catheter fixing member 30 and the guide wire fixing member 34 can respectively drive the catheter 10 and the guide wire 11 to move synchronously along the Y axis in the reverse direction.
  • the housing 40 includes a main body shell 401 in a hollow cylindrical shape, and a first end plate 402 and a second end plate 403 provided at opposite ends of the main body shell 401.
  • the main body shell 401 is a hollow cylinder extending along the Y-axis direction.
  • the first end plate 402 and the second end plate 403 are plates for sealing opposite ends of the main body shell 401, respectively.
  • the first end plate 402 has a first mounting hole 81.
  • the inner wall of the main body shell 401 is provided with a first mounting plate 71 opposite to the first end plate 402.
  • the first mounting plate 71 is provided with a second mounting hole 82.
  • both ends of the first screw 46 penetrate the first mounting hole 81 and the second mounting hole 82 respectively.
  • the first screw 46 is limited between the first end plate 402 and the first mounting plate 71.
  • the part indicated by the first mounting hole 81 is a part of the first mounting hole 81 located on the right half shell 42; the part indicated by the first mounting plate 71 is a part of the first mounting plate 71 located on the right half shell 42, and the second mounting hole The part indicated by 82 is a part where the second mounting hole 82 is located on the right half shell 42.
  • the second end plate 403 has a third mounting hole 83.
  • the inner wall of the main body shell 401 is provided with a second mounting plate 72 opposite to the second end plate 403.
  • the second mounting plate 72 is provided with a fourth mounting hole 84. Both ends of the second screw 47 penetrate the third mounting hole 83 and the fourth mounting hole 84 respectively.
  • the second screw 47 is limited between the second end plate 403 and the second mounting plate 72.
  • the part indicated by the third mounting hole 83 is a part of the third mounting hole 83 located on the right half shell 42; the part indicated by the second mounting plate 72 is that the second mounting plate 72 is located on the right half.
  • a part of the shell 42, and the part indicated by the fourth mounting hole 84 is a part of the fourth mounting hole 84 located on the right half shell 42.
  • an accommodation space 73 is formed between the first mounting plate 71, the second mounting plate 72 and the inner wall of the housing 40.
  • the driving gear 44, the first driven gear 61 and the second driven gear 62 are arranged in the accommodation space 73.
  • a positioning hole 85 is also provided on the peripheral wall of the housing 40.
  • the axial direction of the positioning hole 85 is the same as the axial direction of the driving gear 44, and both are along the X-axis direction.
  • the driving assembly 20 is partially disposed outside the housing 40.
  • the rotating shaft of the driving assembly 20 is fixedly connected to the shaft center of the driving gear 44 through the positioning hole 85.
  • the driving assembly 20 includes an operating rocker 43.
  • the rotating shaft of the operating rocker 43 extends into the inner cavity of the housing 40 through the positioning hole 85 and is fixedly connected to the shaft center of the driving gear 44.
  • the operating part of the operating rocker 43 is located outside the housing 40. Rotating the operating portion of the rocker 43 can drive the driving gear 44 to rotate.
  • the drive assembly 20 includes a motor (not shown).
  • the motor is arranged inside the casing 40 or outside the casing 40.
  • the rotating shaft of the motor is connected to the shaft center of the driving gear 44, and the motor drives the driving gear 44 to rotate.
  • the motor can be a small DC motor or other electric drive mechanism.
  • the driving gear 44 is driven to rotate or stop by controlling the switch of the motor, so that the catheter guide wire cooperates with the pushing device 100 to push the catheter 10 and the guide wire 11 or stop pushing.
  • the second screw 47 and the second driven gear 62 adopt a tenon joint.
  • the first screw 46 and the first driven gear 61, and the operating rocker 43 and the driving gear 44 also adopt a tenon joint.
  • the catheter 10 includes a catheter base 8 and a catheter body 9 that are fixedly connected.
  • the guide wire 11 penetrates into the inner cavity of the catheter body 9 through the inner cavity of the catheter holder 8 and protrudes from the inner cavity of the catheter body 9.
  • the catheter fixing member 30 is located on the side of the catheter base 8 away from the catheter body 9, which is also between the catheter base 8 and the guide wire fixing member 34.
  • one end of the catheter fixing member 30 is threadedly connected to the first screw 46, and the other end of the catheter fixing member 30 extends in the positive direction of the Z axis and is connected to the catheter base 8.
  • the connection between the other end of the catheter fixing member 30 and the catheter base 8 is a detachable connection, so as to facilitate the installation of the catheter guide wire in cooperation with the pushing device 100 and the catheter 10 together.
  • the catheter socket 8 is provided with a luer connector, and the luer connector is threadedly connected with the catheter fixing member 30.
  • the other end of the catheter fixing member 30 can also be snap-connected to the catheter socket 8.
  • the installation process of the guide wire 11 on the catheter 10 and the catheter fixing member 30 is: first pass the guide wire 11 from the catheter base 8 out of the catheter body 9 for a certain distance, and then pass the guide wire 11 through the catheter fixing member 30 , And use the Luer connector on the catheter base 88 to threadedly connect and fix the catheter fixing member 30.
  • the guide wire fixing member 34 includes a screw cap 32, a clamping member 33 and a fixing seat 31 which are sequentially sleeved on the guide wire 11.
  • One end of the clamping member 33 is a movable end with a shrinkable radial size.
  • the movable end of the clamping member 33 is located on the side of the clamping member 33 facing the screw cap 32, and the movable end of the clamping member 33 is provided with a plurality of axial hollow grooves 35 along the circumferential direction.
  • the movable end of the clamping member 33 is substantially in the shape of a truncated cone.
  • the inner cavity of the screw cap 32 has a tapered hole.
  • the movable end of the clamping member 33 is arranged in the inner cavity of the screw cap 32.
  • the other end of the clamping member 33 is arranged in the inner cavity of the fixing seat 31.
  • the fixing seat 31 is screwed to the second screw 47 at the same time.
  • the screw cap 32 is threadedly connected with the fixing seat 31. In the process of gradually tightening the screw cap 32 to connect to the fixing seat 31, the screw cap 32 squeezes the movable end of the clamping member 33 to make the gap between the hollow groove 35 smaller, and the clamp The radial size of the movable end of the tightening member 33 is reduced and clamps and fixes the guide wire 11.
  • the catheter guide wire cooperative pushing device 100 further includes a first limiting member 461 and a second limiting member 471.
  • the first limiting member 461 is connected to an end of the first screw 46 away from the first driven gear 61.
  • the first limiting member 461 may be integrally formed with the first screw 46.
  • the first limiting member 461 is disposed outside the housing 40.
  • At least one first locking position 462 is provided on the first limiting member 461.
  • the first end plate 402 is provided with a first elastic abutting member 51, and the first elastic abutting member 51 is clamped in the first clamping position 462.
  • the second limiting member 471 is connected to an end of the second screw 47 away from the second driven gear 62.
  • the second limiting member 471 may be integrally formed with the second screw 47.
  • the second limiting member 471 is disposed outside the housing 40.
  • the second limiting member 471 is provided with at least one second locking position 472.
  • the second end plate 402 is provided with a second elastic abutting member 52.
  • the second elastic abutting member 52 is clamped in the second clamping position 472.
  • the second locking position 472 is a circular arc groove, and a plurality of second locking positions 472 are formed on the peripheral side surface of the second limiting member 471 in a circular arc transition, and the second elastic abutting member 52 elastically abuts On the groove surface of the arc groove, so that the second elastic abutting member 52 is elastically deformed when the second screw 47 rotates, and is easy to fall out of the arc groove without blocking the rotation of the second screw 47 And when the second screw 47 stops rotating, the second elastic abutment member 52 is engaged with the second locking position 472 to lock the position of the second screw 47.
  • the second elastic abutting member 52 is a self-locking wire spring.
  • the material of the self-locking wire spring can be stainless steel or nickel titanium.
  • the two ends of the second elastic abutting member 52 are inserted into the receptacles on the stepped surface of the second end plate 403.
  • the arc-shaped wire spring of the second elastic abutting member 52 is matched with the arc groove of the second limiting member 471, and the second elastic abutting member 52 faces the
  • the second limiting member 471 provides a certain limiting force, so that the second rotating assembly 23 will not rotate, thereby realizing the self-locking function after the guide wire 11 is pushed.
  • the second limiting member 471 When the rotating operating rocker 43 drives the rotation of the second screw 47 and the second limiting member 471, the second limiting member 471 will deform the arc-shaped wire spring of the elastic second abutting member 52. The arc groove is pulled out, so that the second limiting member 471 will not affect the normal rotation of the second rotating assembly 23.
  • the structure of the first limiting member 461 is the same as the structure of the second limiting member 471, and the structure of the first elastic abutting member 51 is the same as the structure of the second elastic abutting member 52, which will not be repeated here. Go into details.
  • the first limiting member 461 cooperates with the first elastic abutting member 51 to lock the first screw 46 after the driving is completed, so as to stop the movement of the catheter 10 and improve the accuracy of the movement of the catheter 10.
  • the second limiting member 471 cooperates with the second elastic abutting member 52 to lock the second screw 47 after the driving is completed, thereby stopping the movement of the guide wire 11 and improving the movement accuracy of the guide wire 11.
  • the outer peripheral surface of the housing 40 is provided with a first scale 93 and a second scale 94.
  • the first scale 93 and the second scale 94 are respectively arranged along the edges of the first through groove 91 and the second through groove 92 and extend along the axial direction of the housing 40.
  • the first scale 93 may be provided on one side or both sides of the first through groove 91, and the second scale 94 may be provided on one side or both sides of the second through groove 92.
  • the first scale 93 and the second scale 94 indicate the pushing distance. It is convenient to prompt the operator of the pushing distance of the catheter 10 and the guide wire 11.
  • the operator directly pushes the catheter 10 and the guide wire 11 into the blood vessel of the patient 110 by hand to save pushing time.
  • the catheter 10 and the guide wire 11 are respectively fixed to the catheter and guide wire cooperative pushing device 100 of the present application.
  • the operator turns the operating lever 43 clockwise.
  • the catheter 10 and the guide wire 11 can be quickly removed from the catheter guide wire cooperative pushing device 100 by loosening the luer connector on the catheter base 88 and the screw cap 32, which is convenient for the operator to proceed quickly.
  • the rest of the treatment operation shortens the operation time.
  • the catheter guide wire cooperative pushing system includes a guide wire 11, a catheter 10, and the catheter guide wire cooperative pushing device 100 according to any one of the above embodiments.
  • the catheter 10 includes a catheter base 8 and a catheter body 9 that are fixedly connected. A part of the guide wire 11 passes through the inner cavity of the catheter hub 8 and the inner cavity of the catheter body 9.
  • One end of the catheter fixing member 30 of the catheter guide wire cooperative pushing device 100 is sleeved on the guide wire 11 and fixedly connected to the catheter base 8 so that the catheter fixing member 30 can drive the catheter 10 to move.
  • the manner in which the catheter fixing member 30 is fixed to the catheter base 8 is a detachable connection manner.
  • the catheter guide wire cooperates with the guide wire fixing member 34 of the pushing device 100 to be fixedly connected to the part of the guide wire 11 outside the catheter 10 so that the guide wire fixing member 34 can drive the guide wire 11 to move.
  • the guide wire fixing member 34 is fixed to the guide wire 11 in a detachable connection manner.
  • the driving assembly 20 of the catheter guide wire cooperative pushing device 100 drives the catheter fixing member 30 and the guide wire fixing member 34 to move, so as to push the guide wire 11 and the catheter 10 to move alternately or synchronously.
  • the catheter guide wire cooperative pushing system 200 provided by the present application connects the first rotating assembly 22 between the driving assembly 20 and the guide wire fixing member 34, and the second rotating assembly 23 is connected to the driving assembly 20. Between the guide wire fixing member 34 and the catheter fixing member 30, when the driving assembly 20 drives the first rotating assembly 22 and the second rotating assembly 23, the first rotating assembly 22 and the second rotating assembly 23 can drive the guide wire fixing member 34 and the catheter fixing member 30, respectively.
  • the guide wire 11 and the catheter 10 can be realized by a drive assembly 20
  • the coordinated push of 10 reduces the number of components, and has the advantages of simple structure and small size; the catheter fixing member 34 and the catheter 10 in the catheter guide wire cooperative pushing system 200 are convenient and quick to install and unload, and the guide wire fixing member 30 and the guide wire
  • the loading and unloading between 11 is convenient and rapid, which is more conducive to shortening the operation time; moreover, compared with the traditional hand-directed push of the guide wire 11 and the catheter 10, the push of the catheter 10 and the guide wire 11 is more accurate.

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Abstract

一种导管导丝协同推送装置（100）包括：导管固定件（30），固定连接导管（10）；导丝固定件（34），固定连接导丝（11）之设于导管外的部分；驱动组件（20）；及转动组件，包括第一转动组件（22）及第二转动组件（23），第一转动组件连接于驱动组件与导管固定件之间，第二转动组件连接于驱动组件与导丝固定件之间；驱动组件用于驱动第一转动组件与第二转动组件逆向转动，以使导丝固定件和导管固定件分别带动导丝和导管交替运动或同步运动。还提供一种导管导丝协同推送系统，能够精确推送导管和部分穿设于导管内的导丝，且结构简单、体积小巧、组装方便。

Description

导管导丝协同推送装置及导管导丝协同推送系统 技术领域
本申请涉及医疗器械技术领域，尤其涉及一种用于血管介入手术的导管导丝协同推送装置及导管导丝协同推送系统。
背景技术
目前，血管介入手术是治疗心脑血管疾病的重要手段，相比传统的外科手术治疗，对人体的创伤大幅减小。血管介入手术的过程通常为：先使用穿刺针穿刺人体体表浅动脉或浅静脉，接着导丝与导管经穿刺点切口进入人体血管系统，然后导丝、导管被交替推送直至将导管推送到靶位置，再借助导管为通道将诊疗器械和/或药物送达靶位置，从而在血管内对病灶实施治疗。常见的血管介入手术包括动脉闭塞介入开通术、血管成形术等。
现有技术中，血管介入手术主要依赖医生根据其操作习惯手执导丝、导管进行推送，当导丝、导管接近靶位置特别是闭塞比较严重的血管部位时，需要精确地交替推送导丝、导管，但人手推送导丝、导管的精度较低，推动距离不好控制，往往需要反复尝试，不仅效率低，还有可能会对血管造成不期望的损伤。现有的导管导丝协同操作装置往往存在部件多、结构复杂、整体体积较大等问题。
发明内容
本申请提供一种能够精确推送导丝与导管，且结构简单、体积小巧、组装方便的导管导丝协同推送装置及导管导丝协同推送系统。
一方面，本申请提供的一种导管导丝协同推送装置，用于推送导管和部分穿设于所述导管内的导丝，包括：
导管固定件，固定连接所述导管；
导丝固定件，固定连接所述导丝之设于所述导管外的部分；
驱动组件；及
转动组件，包括第一转动组件及第二转动组件，所述第一转动组件连接于 所述驱动组件与所述导管固定件之间，所述第二转动组件连接于所述驱动组件与所述导丝固定件之间；
所述驱动组件用于驱动所述第一转动组件与所述第二转动组件逆向转动，以使所述导丝固定件和所述导管固定件分别带动所述导丝和所述导管交替运动或同步运动。
另一方面，本申请提供的一种导管导丝协同推送系统，包括导丝、导管及所述的导管导丝协同推送装置，所述导管固定连接于所述导管固定件，所述导丝部分穿设于所述导管内且所述导丝之设于所述导管外的部分固定连接于所述导丝固定件。
本申请提供的一种导管导丝协同推送装置，通过将第一转动组件连接于所述驱动组件与所述导丝固定件及将第二转动组件连接于所述驱动组件与所述导管固定件之间，当驱动组件驱动第一转动组件和第二转动组件时，第一转动组件和第二转动组件能够分别带动导丝固定件和导管固定件交替运动或同步运动，进而带动导丝和导管交替运动或同步运动，实现交替或同步推送导丝和导管，有效提高推送效率；通过一个驱动组件即可实现导丝和导管的协同推送，精简了部件数量，具有结构简单、体积小巧等优点；导管导丝协同推送装置中的导管固定件与导管之间装卸便捷迅速，及导丝固定件与导丝之间的装卸便捷迅速，更利于缩短手术时间；而且，与传统的手执导丝与导管进行推送相比，导管及导丝的推送更精确。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的导管导丝协同推送装置的立体组装示意图；
图2为本申请实施例提供的导管导丝协同推送装置的部件分解示意图；
图3为本申请实施例提供的导管导丝协同推送装置的隐去一侧半壳的示意图；
图4A为本申请实施例提供的导管导丝协同推送装置推送导丝时的示意图；
图4B为本申请实施例提供的导管导丝协同推送装置推送导管时的示意图；
图5为本申请实施例提供的导管导丝协同推送装置的另一种结构形式的齿轮传动示意图；
图6为本申请实施例提供的导管导丝协同推送装置的主动齿轮、外壳及操作杆的示意图；
图7为本申请实施例提供的导管导丝协同推送装置的第二从动齿轮与第二螺杆榫接示意图；
图8为本申请实施例提供的导管导丝协同推送装置中导管固定方式的结构示意图；
图9A为本申请实施例提供的导管导丝协同推送装置中的导丝固定方式的结构分解示意图；
图9B为本申请实施例提供的导管导丝协同推送装置中的导丝固定结构的后视图；
图9C为沿图9B中的A-A线的剖面示意图；
图10为本申请实施例提供的导管导丝协同推送装置中自锁结构的示意图；
图11为本申请实施例提供的导管导丝协同推送装置工作时的示意图；
图12为本申请实施例提供的导管导丝协同推送装置在血管闭塞段内的导丝及导管协同推进的示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。本申请所列举的实施例之间可以适当的相互结合。
请参阅图1及图2，本申请实施例提供了一种导管导丝协同推送装置100。该装置适用于血管内介入治疗时将导管10及导丝11的精确地协同交替推送或同步推送。其中，所述导丝11从所述导管10的一端穿入，并从导管10的另 一端穿出。
请参阅图1及图2，导管导丝协同推送装置100包括外壳40、第一转动组件22、第二转动组件23、导管固定件30、导丝固定件34。
请参阅图1及图2，所述外壳40大致呈中空的筒状。所述外壳40由左半壳41与右半壳42对合而成。具体的，左半壳41与右半壳42可通过卡扣、粘结、螺接等方式对合连接。左半壳41与右半壳42对合后包围的空间形成所述外壳40的内腔。为了便于描述，定义外壳40的轴向(轴向也是长度延伸方向)为Y轴方向，其中，箭头所指示的方向为Y轴正向。
请参阅图1，所述外壳40的外周面上设有连通所述外壳40的内腔与所述外壳40之外空间的第一通槽91及第二通槽92。其中，第一通槽91及第二通槽92沿Y轴方向排列。进一步地，第一通槽91及第二通槽92皆呈长条形。第一通槽91及第二通槽92皆沿Y轴方向延伸。
请参阅图1及图2，所述导丝11及所述导管10设于所述外壳40外，且皆沿所述外壳40的轴向延伸。换言之，所述导丝11及所述导管10皆沿Y轴方向延伸。具体的，导管10的一部分与第一通槽91所在的位置相对，导管10的另一部分沿Y轴正方向延伸。所述导丝11的一部分与第二通槽92所在的位置相对，所述导丝11的另一部分穿设于所述导管10并在所述导管10的内腔延伸，及穿出所述导管10。
可选的，请参阅图2及图3，第一转动组件22及第二转动组件23皆设于所述外壳40的内腔。
可选的，请参阅图2及图3，导管固定件30的一端设于所述外壳40的内腔并连接第一转动组件22，导管固定件30的另一端经所述第一通槽91伸出所述外壳40并固定连接所述导管10。具体的，导管固定件30固定于导管10的方式为可拆卸连接方式。导丝固定件34的一端设于所述外壳40的内腔并连接第二转动组件23。所述导丝固定件34的另一端经所述第二通槽92伸出所述外壳40之外并固定连接所述导丝11之设于所述导管10外的部分。具体的，导丝固定件34固定于导丝11的方式为可拆卸连接方式。
可选的，请参阅图2及图3，导管导丝协同推送装置100还包括驱动组件20，该实施例中，所述驱动组件20设于所述外壳40内或部分设于所述外壳 40之外。
请参阅图3，所述第一转动组件22连接于所述驱动组件20与所述导丝固定件34之间，所述第二转动组件23连接于所述驱动组件20与所述导管固定件30之间。
请参阅图3，所述驱动组件20用于驱动所述第一转动组件22及第二转动组件23逆向转动，以使所述导丝固定件34和所述导管固定件30单独地或共同地沿Y轴方向移动，所述导丝固定件34和所述导管固定件30单独地或共同地沿Y轴方向移动分别带动所述导丝11和所述导管10交替沿Y轴方向运动或同步沿Y轴方向运动。
可以理解的，请参阅图1及图3，当所述导丝固定件34沿Y轴方向移动时，导丝固定件34在第二通槽92内移动。当所述导管固定件30沿Y轴方向移动时，导管固定件30在第一通槽91内移动。
本申请实施例提供的导管导丝协同推送装置通过设置第一转动组件22连接于所述驱动组件20与所述导丝固定件34之间，设置第二转动组件23连接于所述驱动组件20与所述导管固定件30之间，当驱动组件20驱动第一转动组件22和第二转动组件23时，第一转动组件22和第二转动组件23能够分别带动导丝固定件34和导管固定件30交替运动或同步运动，进而带动导丝11和导管10交替运动或同步运动，实现交替或同步推送导丝11和导管10，有效提高推送效率；通过一个驱动组件20即可实现导丝11和导管10的协同推送，精简了部件数量，具有结构简单、体积小巧等优点；导管导丝协同推送装置100中的导管固定件34与导管10之间装卸便捷迅速，及导丝固定件30与导丝11之间的装卸便捷迅速，更利于缩短手术时间；而且，与传统的手执导丝11与导管10进行推送相比，导管10及导丝11的推送更精确。
以下实施方式对于第一转动组件22及第二转动组件23的具体结构进行举例说明，当然，本申请提供的第一转动组件22及第二转动组件23包括但不限于以下的实施方式。
请参阅图2及图3，所述导管导丝协同推送装置100还包括主动齿轮44。所述主动齿轮44的转轴连接于所述驱动组件20。为了便于更加清楚地描述本申请提供的导管导丝协同推送装置100的结构，定义主动齿轮44的转轴方向 为X轴方向。
请参阅图2及图3，所述第一转动组件22包括第一从动齿轮61及同轴连接所述第一从动齿轮61的第一螺杆46。所述第一螺杆46螺接所述导管固定件34。所述第二转动组件23包括第二从动齿轮62及同轴连接所述第二从动齿轮62的第二螺杆47。所述第二螺杆47螺接所述导丝固定件30。
所述第一从动齿轮61和所述第二从动齿轮62相对设置于所述主动齿轮44的两侧。所述主动齿轮44上的齿与所述第一从动轮61上的齿相啮合。所述主动齿轮44上的齿与所述第二从动轮62上的齿相啮合。所述主动齿轮44用于在所述驱动组件20的作用下转动并带动所述第一从动齿轮61和所述第二从动齿轮62逆向转动，从而所述第一螺杆46和所述第二螺杆47逆向转动，并带动所述导管固定件34和所述导丝固定件30沿同一方向交替或同步运动。
具体的，所述第一从动齿轮61和所述第二从动齿轮62相对设置，且所述第一从动齿轮61的转轴和所述第二从动齿轮62的转轴可以共线，共线方向为Y轴方向。所述主动齿轮44的轴向沿X轴方向。所述主动齿轮44的轴向与所述第一从动齿轮61的轴向及所述第二从动齿轮62的轴向垂直。
请参阅图2及图3，所述第一螺杆46的一端与所述第一从动齿轮61同轴且固定连接。所述第一螺杆46的另一端沿逐渐远离所述第二从动齿轮62的方向延伸。所述第一螺杆46螺纹连接所述导管固定件30。
请参阅图2及图3所述第二螺杆47的一端与所述第二从动齿轮62同轴且固定连接。所述第二螺杆47的另一端沿逐渐远离所述第一从动齿轮61的方向延伸。所述第二螺杆47螺纹连接所述导丝固定件34。
所述第一螺杆46的螺旋方向与所述第二螺杆47的螺旋方向相反。例如，所述第一螺杆46上设置左旋螺纹，则所述第二螺杆47上设置右旋螺纹。
请参阅图3，具体的，所述第一螺杆46、所述第一从动齿轮61、所述第二从动齿轮62与所述第二螺杆47的轴线皆共线。
请参阅图1及图3，所述第一螺杆46对应于第一通槽91，第二螺杆47对应于所述第二通槽92。导管固定件30自第一螺杆46沿Z轴正向延伸以经所述第一通槽91伸出并固定连接所述导管10。导丝固定件34自第二螺杆47沿Z轴正向延伸以经所述第二通槽92伸出并固定连接所述导丝11。
请参阅图4A及图4B，在一种实施方式中，所述主动齿轮44、第一从动齿轮61及第二从动齿轮62均为锥齿轮。所述主动齿轮44的锥面齿能够与第一从动齿轮61的锥面齿啮合，亦能与第二从动齿轮62的锥面齿相啮合。本实施例以所述主动齿轮44、第一从动齿轮61及第二从动齿轮62均为锥齿轮为例进行举例说明，后续不再赘述。
在另一种实施方式中，请参阅图5，所述主动齿轮45为直齿圆柱齿轮，第一从动齿轮63及第二从动齿轮64均为单侧的侧齿轮。侧齿轮即在与齿轮轴向垂直的端面上而非圆周面上设置齿。且第一从动齿轮63上设有齿的端面及第二从动齿轮64设有齿的端面相对。所述主动齿轮45的直齿能够与第一从动齿轮63的侧齿相啮合，亦能够与第二从动齿轮64的侧齿相啮合。
请参阅图3，当所述第一从动齿轮61与所述第二从动齿轮62逆向转动时，所述第一螺杆46和所述第二螺杆47逆向转动，但由于所述第二螺杆47的螺旋方向和所述第一螺杆46的螺旋方向相反，第一螺杆46和第二螺杆47分别带动所述导管固定件30和所述导丝固定件34沿同一方向交替或同步运动。
请参阅图2，所述主动齿轮44在其周向上包括设有连续的齿的齿纹部441及未设置齿纹的光面部442。
具体的，请参阅图2，主动齿轮44为缺齿齿轮，即主动齿轮44上仅部分周向面上设置连续的数个齿，而其余的周向面为光面，不设置齿。本申请对于具体的齿数并不做具体的限制，例如，具体的齿数可为1～40个。可选的，主动齿轮44的齿数为10个。第一从动齿轮61和第二从动齿轮62为完整齿轮。
请参阅图4A，当所述齿纹部441转动至与所述第二从动齿轮62相啮合时，所述第一从动齿轮61与所述齿纹部441分离。所述主动齿轮44沿逆时针方向(以朝向X轴正向为参考)转动，以带动所述第二从动齿轮62沿逆时针方向(以朝向Y轴正向为参考)转动，该过程中第一从动齿轮61不动。由于第一从动齿轮61不动，所以第一螺杆46、导管固定件30及导管10皆不动。第二螺杆47随着第二从动齿轮62沿逆时针方向转动，导丝固定件34随着第二螺杆47的转动逐渐沿Y轴正向移动，以带动导丝11相对于导管10沿Y轴正向移动，推送导丝11，以使导丝11伸出导管10的部分增多。
请参阅图4B，当所述齿纹部441转动至与所述第一从动齿轮61相啮合时， 所述第二从动齿轮62与所述齿纹部441分离。所述主动齿轮44沿逆时针方向(以朝向X轴正向为参考)转动，以带动所述第一从动齿轮61沿顺时针方向(以朝向Y轴正向为参考)转动，该过程中第二从动齿轮62不动。由于第二从动齿轮62不动，所以第二螺杆47、导丝固定件34及导丝11皆不动。第一螺杆46随着第一从动齿轮61沿顺时针方向转动，导管固定件30随着第一螺杆46的转动逐渐沿Y轴正向移动，以带动导管10相对于导丝11沿Y轴正向移动，推送导管10。
当然，当驱动组件20带动主动齿轮44沿顺时针方向(以朝向X轴正向为参考)转动时，所述导丝11和导管10能够交替沿Y轴反向移动。请参阅图4A及图4B，所述导管固定件30的一端螺纹连接于所述第一螺杆46。所述导管固定件30的另一端经所述第一通槽91(请参阅图1)伸出并固定连接于所述导管10。所述导丝固定件34的一端螺纹连接于所述第二螺杆47。所述导丝固定件34的另一端经所述第二通槽92(请参阅图1)伸出并固定连接于所述导丝11。
当所述第二螺杆47转动时，所述导丝固定件34在所述第二通槽92内沿Y轴正向移动。当所述第一螺杆46转动时，所述导管固定件30在所述第一通槽91内沿Y轴正向移动。
当主动齿轮44连续旋转时，主动齿轮44交替地与第一从动齿轮61、第二从动齿轮62啮合，从而交替地驱动第一从动齿轮61、第二从动齿轮62分别交替旋转，带动第一螺杆46、第二螺杆47交替旋转，进而带动导管10和导丝11交替地沿Y轴正向运动。
优选的，光面部442在主动齿轮44的周向上连续的区域光大于所述主动齿轮44的2/3周，例如，主动齿轮44在连续的1/4的周向上设置齿，以保证当主动齿轮44转动时，不会同时驱动两侧的从动齿轮，从而实现导丝11、导管10的协同交替推送。主动齿轮44与两侧的从动齿轮的模数和压力角应相等，从而使主动齿轮44与两侧的从动齿轮正确啮合。主动齿轮44与两侧的从动齿轮的传动比范围可选用1～3，例如，传动比为1。
示例性的，主动齿轮44周向上的1/4周设置连续的齿，第一从动齿轮61、与主动齿轮44的齿数的比值为4，第二从动齿轮62与主动齿轮44的齿数的 比值为4，从而主动齿轮44每旋转一周，第一从动齿轮61、第二从动齿轮62分别旋转1/4周，第一螺杆46、第二螺杆47交替旋转1/4周。导管10、导丝11便被向前推送1/4螺杆导程的距离，从而能够精确控制推送距离，提高推送精度。具体的，第一螺杆46和第二螺杆47可采用单线螺纹或多线螺纹。第一螺杆46和第二螺杆47的导程范围可为0.1mm～10mm。可选的，第一螺杆46和第二螺杆47可以均为单线螺纹，螺距为1mm，导程为1mm。
在该实施例中，由于将所述主动齿轮44设置为缺齿齿轮，所述导丝11和导管10被交替沿Y轴推送，更加符合医生的操作习惯。
在其他实施方式，主动齿轮44也可以为不缺齿的齿轮，即完整齿轮。第一从动齿轮61和第二从动齿轮62也为完整齿轮。当主动齿轮44在驱动组件20的作用下转动时，主动齿轮44能够带动第一从动齿轮61和第二从动齿轮62同步逆向转动，进而带动第一螺杆46和第二螺杆47同步逆向转动，由于第一螺杆46和第二螺杆47的螺旋方向相反，导管固定件30和导丝固定件34能够分别带动导管10和导丝11同步沿Y轴正向运动。当主动齿轮44在驱动组件20的作用下反向转动时，导管固定件30和导丝固定件34能够分别带动导管10和导丝11同步沿Y轴反向运动。
请参阅图6，所述外壳40包括呈中空筒状的主体壳401及设于所述主体壳401相对两端的第一端部板402和第二端部板403。示例性的，主体壳401为沿Y轴方向延伸的中空筒。第一端部板402和第二端部板403分别为密封主体壳401的相对两端的板件。
其中，请参阅图6，所述第一端部板402具有第一安装孔81。所述主体壳401的内壁设有与所述第一端部板402相对设置的第一安装板71。所述第一安装板71上设有第二安装孔82。请参阅图3，所述第一螺杆46的两端分别贯穿所述第一安装孔81和所述第二安装孔82。所述第一螺杆46限位于所述第一端部板402和所述第一安装板71之间。
需要说明的是，图6中，可以理解的，左半壳41内的结构与右半壳42的内结构径向对称。第一安装孔81所指示的部分是第一安装孔81位于右半壳42的一部分；第一安装板71所指示的部分是第一安装板71位于右半壳42的一部分，第二安装孔82所指示的部分是第二安装孔82位于右半壳42的一部 分。
请一并参阅图3及图6，所述第二端部板403具有第三安装孔83。所述主体壳401的内壁设有与所述第二端部板403相对设置的第二安装板72。所述第二安装板72上设有第四安装孔84。所述第二螺杆47的两端分别贯穿所述第三安装孔83和所述第四安装孔84。所述第二螺杆47限位于所述第二端部板403和所述第二安装板72之间。
需要说明的是，图6中，第三安装孔83所指示的部分是第三安装孔83位于右半壳42的一部分；第二安装板72所指示的部分是第二安装板72位于右半壳42的一部分，第四安装孔84所指示的部分是第四安装孔84位于右半壳42的一部分。
请一并参阅图3及图6，所述第一安装板71、所述第二安装板72与所述外壳40的内壁之间形成容纳空间73。所述主动齿轮44、所述第一从动齿轮61及所述第二从动齿轮62设于所述容纳空间73内。
请一并参阅图3及图6，所述外壳40的周壁上还设有定位孔85。所述定位孔85的轴向与所述主动齿轮44的轴向相同，皆沿X轴方向。所述驱动组件20部分设于所述外壳40之外。所述驱动组件20的转动轴经所述定位孔85固定连接于所述主动齿轮44的轴心。
在一实施方式中，请一并参阅图3及图6，所述驱动组件20包括操作摇杆43。所述操作摇杆43的转动轴经所述定位孔85伸入所述外壳40的内腔并固定连接所述主动齿轮44的轴心。所述操作摇杆43的操作部位于外壳40之外。旋转操作摇杆43的操作部即可驱动主动齿轮44转动。
另一种实施方式中，所述驱动组件20包括电机(未图示)。所述电机设于所述外壳40内或外壳40外。所述电机的转动轴连接所述主动齿轮44的轴心，所述电机带动主动齿轮44转动。电机可以为小型直流电动机或其他电力驱动机构，通过控制电机的开关来驱动主动齿轮44转动或停止，从而该导管导丝协同推送装置100推送导管10和导丝11或停止推送。
具体地，请参阅图7，第二螺杆47与第二从动齿轮62之间采用榫接。结合参阅图3，第一螺杆46与第一从动齿轮61之间、操作摇杆43与主动齿轮44之间也采用榫接。
请参阅图8，所述导管10包括固定连接的导管座8和导管体9。所述导丝11经导管座8的内腔穿入所述导管体9的内腔，并从导管体9的内腔伸出。
请参阅图8，所述导管固定件30位于所述导管座8背离所述导管体9的一侧，也是导管座8与导丝固定件34之间。请结合参阅图3，导管固定件30的一端螺纹连接第一螺杆46，导管固定件30的另一端沿Z轴正向延伸并连接导管座8。导管固定件30的另一端与导管座8之间的连接方式为可拆卸连接，以便于将导管导丝协同推送装置100与导管10安装在一起。本实施方式中，导管座8上设有鲁尔接头，该鲁尔接头与导管固定件30螺纹连接。在其他实施方式中，导管固定件30的另一端还可以卡扣连接导管座8。
请参阅图8，导丝11安装于导管10及导管固定件30的安装过程为：先将导丝11从导管座8穿出导管体9一定距离，再将导丝11穿过导管固定件30，并利用导管座88上面的鲁尔接头与导管固定件30进行螺纹连接固定。
请参阅图9A、图9B及图9C，所述导丝固定件34包括依次套设于所述导丝11上的旋盖32、夹紧件33及固定座31。所述夹紧件33的一端为径向尺寸可收缩的活动端。所述夹紧件33的活动端位于夹紧件33朝向旋盖32的一侧，所述夹紧件33的活动端沿周向设有数条轴向镂空槽35。所述夹紧件33的活动端大致呈锥台状。旋盖32的内腔具有锥孔。所述夹紧件33的活动端设于所述旋盖32的内腔。所述夹紧件33的另一端设于所述固定座31的内腔。所述固定座31同时螺接所述第二螺杆47。旋盖32与所述固定座31螺纹连接。在所述旋盖32逐渐旋紧连接所述固定座31的过程中，所述旋盖32挤压所述夹紧件33的活动端，以使所述镂空槽35间隙变小，所述夹紧件33的活动端的径向尺寸减小并夹持固定所述导丝11。
请参阅图2及图3，所述导管导丝协同推送装置100还包括第一限位件461和第二限位件471。所述第一限位件461连接于所述第一螺杆46远离所述第一从动齿轮61的一端。所述第一限位件461可以所述第一螺杆46一体成型。所述第一限位件461设于所述外壳40之外。所述第一限位件461上设有至少一个第一卡位462。所述第一端部板402上设有第一弹性抵接件51，所述第一弹性抵接件51卡接于所述第一卡位462内。
请参阅图2，所述第二限位件471连接于所述第二螺杆47远离所述第二 从动齿轮62的一端。所述第二限位件471可以所述第二螺杆47一体成型。所述第二限位件471设于所述外壳40之外。
请参阅图10，所述第二限位件471上设有至少一个第二卡位472。所述第二端部板402上设有第二弹性抵接件52。所述第二弹性抵接件52卡接于所述第二卡位472内。所述第二卡位472为圆弧槽，多个第二卡位472呈圆弧过渡地设于所述第二限位件471的周侧面，所述第二弹性抵接件52弹性抵接于圆弧槽的槽面，以使所述第二螺杆47在转动时所述第二弹性抵接件52发生弹性形变易于从圆弧槽中脱出而不会对第二螺杆47的转动造成阻挡，且所述第二螺杆47在停止转动时，所述第二弹性抵接件52卡合于第二卡位472，以对第二螺杆47的位置进行锁定。
具体的，第二弹性抵接件52为自锁线簧。自锁线簧的材质可以为不锈钢或镍钛等。其中，第二弹性抵接件52的两末端插入第二端部板403的台阶面的插孔内。操作者未操作驱动组件20时或操作停止后，第二弹性抵接件52的圆弧形线簧与所述第二限位件471圆弧槽配合，第二弹性抵接件52对所述第二限位件471提供一定的限制力，使得第二转动组件23不会转动，从而实现导丝11推送过后的自锁功能。
当转动操作摇杆43带动第二螺杆47及所述第二限位件471的转动时，所述第二限位件471将使弹性第二抵接件52的圆弧形线簧发生形变而脱出圆弧槽，使得所述第二限位件471不会影响第二转动组件23的正常转动。
所述第一限位件461的结构与第二限位件471的结构相同，所述第一弹性抵接件51的结构与所述第二弹性抵接件52的结构相同，在此不再赘述。所述第一限位件461与所述第一弹性抵接件51相配合以在驱动结束后对第一螺杆46进行卡止，进而使得导管10停止移动，提高了导管10的移动精度，所述第二限位件471与所述第二弹性抵接件52相配合以在驱动结束后对第二螺杆47进行卡止，进而使得导丝11停止移动，提高了导丝11的移动精度。
请参阅图1，所述外壳40的外周面上设有第一刻度93和第二刻度94。所述第一刻度93和所述第二刻度94分别沿所述第一通槽91和所述第二通槽92的边沿设置，并沿所述外壳40的轴向延伸。
所述第一刻度93可以设于第一通槽91的单侧或两侧，所述第二刻度94 可以设于第二通槽92的单侧或两侧。第一刻度93和第二刻度94表示推送距离。便于提示操作者导管10及导丝11的推送距离。
如图11所示，在实际血管介入治疗中，根据操作者的一般习惯，首先操作者直接用手将导管10及导丝11在患者110的血管内推送，以节省推送时间。当导管10及导丝11的远端(远离操作者的一端)距离血管内靶向位置约10cm以内时，将导管10及导丝11分别固定至本申请的导管导丝协同推送装置100上。操作者顺时针转动操作杆43。
如图12所示，在靶向血管120内，进行精确的导管10和导丝11的交替推送，此时仍然符合操作者的操作习惯，且能够精确控制导管10和导丝11的推送距离，确保导管10和导丝11在血管闭塞段内的精确推进。
当到达血管靶位置后，通过旋松导管座88上的鲁尔接头、旋盖32可快捷地将导管10、导丝11从该导管导丝协同推送装置100上拆下，便于操作者迅速进行其余的治疗操作，缩短手术时间。
请参阅图1及图2，本申请实施例提供了一种导管导丝协同推送系统200。导管导丝协同推送系统包括导丝11、导管10及上述任意一种实施方式所述的导管导丝协同推送装置100。所述导管10包括固定连接的导管座8和导管体9。所述导丝11的一部分穿设于所述导管座8的内腔和所述导管体9的内腔。
所述导管导丝协同推送装置100的导管固定件30的一端套设于所述导丝11上并固定连接所述导管座8，以使所述导管固定件30能够带动导管10运动。其中，导管固定件30固定于导管座8的方式为可拆卸连接方式。所述导管导丝协同推送装置100的导丝固定件34固定连接所述导丝11之设于所述导管10外的部分，以使所述导丝固定件34能够带动导丝11运动。其中，导丝固定件34固定于导丝11的方式为可拆卸连接方式。导管导丝协同推送装置100的驱动组件20通过驱动导管固定件30和导丝固定件34运动，以推送导丝11和导管10协同交替运动或同步运动。
本申请提供的导管导丝协同推送系统200通过将第一转动组件22连接于所述驱动组件20与所述导丝固定件34之间，及设置第二转动组件23连接于所述驱动组件20与导管固定件30之间，当驱动组件20驱动第一转动组件22和第二转动组件23时，第一转动组件22和第二转动组件23能够分别带动导 丝固定件34和导管固定件30交替运动或同步运动，进而带动导丝11和导管10交替运动或同步运动，实现交替或同步推送导丝11和导管10，有效提高推送效率；通过一个驱动组件20即可实现导丝11和导管10的协同推送，精简了部件数量，具有结构简单、体积小巧等优点；导管导丝协同推送系统200中的导管固定件34与导管10之间装卸便捷迅速，及导丝固定件30与导丝11之间的装卸便捷迅速，更利于缩短手术时间；而且，与传统的手执导丝11与导管10进行推送相比，导管10及导丝11的推送更精确。
以上所述是本申请的部分实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本申请的保护范围。

Claims (17)

  1. 一种导管导丝协同推送装置，用于推送导管和部分穿设于所述导管内的导丝，其特征在于，包括：
    导管固定件，固定连接所述导管；
    导丝固定件，固定连接所述导丝之设于所述导管外的部分；
    驱动组件；及
    转动组件，包括第一转动组件及第二转动组件，所述第一转动组件连接于所述驱动组件与所述导管固定件之间，所述第二转动组件连接于所述驱动组件与所述导丝固定件之间；
    所述驱动组件用于驱动所述第一转动组件与所述第二转动组件逆向转动，以使所述导丝固定件和所述导管固定件分别带动所述导丝和所述导管交替运动或同步运动。
  2. 如权利要求1所述的导管导丝协同推送装置，其特征在于，所述导管导丝协同推送装置还包括主动齿轮，所述主动齿轮连接所述驱动组件；所述第二转动组件包括第一从动齿轮及同轴连接所述第一从动齿轮的第一螺杆，所述第二转动组件包括第二从动齿轮及同轴连接所述第二从动齿轮的第二螺杆；所述第一螺杆螺接所述导管固定件，所述第二螺杆螺接所述导丝固定件；
    所述第一从动齿轮和所述第二从动齿轮相对设置于所述主动齿轮的两侧，所述主动齿轮上的齿与所述第一从动轮上的齿相啮合，所述主动齿轮上的齿与所述第二从动轮上的齿相啮合；所述主动齿轮用于在所述驱动组件的作用下转动并带动所述第一从动齿轮和所述第二从动齿轮逆向转动，从而所述第一螺杆和所述第二螺杆逆向转动，并带动所述导管固定件和所述导丝固定件沿同一方向交替或同步运动。
  3. 如权利要求2所述的导管导丝协同推送装置，其特征在于，所述第二螺杆的螺旋方向与所述第一螺杆的螺旋方向相反。
  4. 如权利要求3所述的导管导丝协同推送装置，其特征在于，所述第一从动齿轮的轴线和所述第二从动齿轮的轴线共线，所述主动齿轮的轴向与所述第一从动齿轮的轴向及所述第二从动齿轮的轴向垂直。
  5. 如权利要求4所述的导管导丝协同推送装置，其特征在于，所述主动齿轮、所述第一从动齿轮及所述第二从动齿轮均为锥齿轮；或者，所述主动齿轮为直齿圆柱齿轮，所述第一从动齿轮及所述第二从动齿轮均为侧齿轮。
  6. 如权利要求4所述的导管导丝协同推送装置，其特征在于，所述主动齿轮在周向上包括设有连续的齿的齿纹部及未设置齿纹的光面部，当所述齿纹部转动至与所述第一从动齿轮相啮合时，所述第二从动齿轮与所述齿纹部分离；当所述齿纹部转动至与所述第二从动齿轮相啮合时，所述第一从动齿轮与所述齿纹部分离。
  7. 如权利要求6所述的导管导丝协同推送装置，其特征在于，所述光面部在所述主动齿轮的周向上延续的区域大于所述主动齿轮的2/3周。
  8. 如权利要求2至7任一项所述的导管导丝协同推送装置，其特征在于，还包括外壳，所述外壳具有内腔，所述第一转动组件和所述第二转动设于所述外壳的内腔；所述导丝及所述导管设于所述外壳外，且皆沿所述外壳的轴向延伸，所述驱动组件设于所述外壳内或部分设于所述外壳之外。
  9. 如权利要求8所述的导管导丝协同推送装置，其特征在于，所述外壳的周侧面设有连通所述外壳的内腔与所述外壳之外空间的第一通槽和第二通槽；所述导管固定件的一端螺接所述第一螺杆，所述导管固定件的另一端经所述第一通槽伸出并固定连接所述导管；所述导丝固定件的一端螺接所述第二螺杆，所述导丝固定件的另一端经所述第二通槽伸出并固定连接所述导丝。
  10. 如权利要求8所述的导管导丝协同推送装置，其特征在于，所述外壳包括呈中空筒状的主体壳及设于所述主体壳一端的第一端部板，所述第一端部板具有第一安装孔；所述主体壳的内壁设有与所述第一端部板相对设置的第一安装板，所述第一安装板上设有第二安装孔，所述第一螺杆的两端分别贯穿所述第一安装孔和所述第二安装孔，且所述第一螺杆限位于所述第一端部板和所述第一安装板之间；
    所述外壳还包括设于所述主体壳的另一端的第二端部板，所述第二端部板具有第三安装孔，所述主体壳的内壁设有与所述第二端部板相对设置的第二安装板，所述第二安装板上设有第四安装孔，所述第二螺杆的两端分别贯穿所述第三安装孔和所述第四安装孔，且所述第二螺杆限位于所述第二端部板和所述 第二安装板之间。
  11. 如权利要求10所述的导管导丝协同推送装置，其特征在于，所述第一安装板、所述第二安装板与所述外壳的内壁之间形成容纳空间，所述主动齿轮、所述第一从动齿轮及所述第二从动齿轮设于所述容纳空间内。
  12. 如权利要求10所述的导管导丝协同推送装置，其特征在于，还包括第一限位件及第二限位件；
    所述第一限位件连接于所述第一螺杆远离所述第一从动齿轮的一端，所述第一限位件设于所述外壳之外，所述第一限位件上设有至少一个第一卡位，所述第一端部板上设有第一弹性抵接件，所述第一弹性抵接件卡接于所述第一卡位内；
    所述第二限位件连接于所述第二螺杆远离所述第二从动齿轮的一端，所述第二限位件设于所述外壳之外，所述第二限位件上设有至少一个第二卡位，所述第二端部板上设有第二弹性抵接件，所述第二弹性抵接件卡接于所述第二卡位内。
  13. 如权利要求9所述的导管导丝协同推送装置，其特征在于，所述外壳的周侧面上设有第一刻度和第二刻度，所述第一刻度和所述第二刻度分别沿所述第一通槽和所述第二通槽的边沿设置，并沿所述外壳的轴向延伸。
  14. 如权利要求8所述的导管导丝协同推送装置，其特征在于，所述驱动组件包括操作摇杆，所述操作摇杆的一端伸入所述外壳的内腔并连接所述主动齿轮，以驱动所述主动齿轮旋转。
  15. 如权利要求8所述的导管导丝协同推送装置，其特征在于，所述驱动组件包括电机，所述电机设于所述外壳内或外壳外，所述电机的转动轴连接所述主动齿轮，以驱动所述主动齿轮旋转。
  16. 如权利要求1所述的导管导丝协同推送装置，其特征在于，所述导丝固定件包括依次套设于所述导丝上的旋盖、夹紧件及固定座，所述夹紧件的一端为径向尺寸可收缩的活动端，所述夹紧件的活动端设于所述旋盖的内腔，所述夹紧件的另一端设于所述固定座的内腔，所述固定座连接所述第二转动组件，当所述旋盖固定连接于所述固定座时，所述旋盖挤压所述活动端，以使所述活动端的径向尺寸减小并夹持所述导丝。
  17. 一种导管导丝协同推送系统，其特征在于，包括导丝、导管及如权利要求1～16任意一项所述的导管导丝协同推送装置，所述导管固定连接于所述导管固定件，所述导丝部分穿设于所述导管内且所述导丝设于所述导管外的部分固定连接于所述导丝固定件。
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