WO2024060798A1 - 输送系统及其控制手柄 - Google Patents

输送系统及其控制手柄 Download PDF

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Publication number
WO2024060798A1
WO2024060798A1 PCT/CN2023/106581 CN2023106581W WO2024060798A1 WO 2024060798 A1 WO2024060798 A1 WO 2024060798A1 CN 2023106581 W CN2023106581 W CN 2023106581W WO 2024060798 A1 WO2024060798 A1 WO 2024060798A1
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WO
WIPO (PCT)
Prior art keywords
knob
tube
guide
thread
inner tube
Prior art date
Application number
PCT/CN2023/106581
Other languages
English (en)
French (fr)
Inventor
陈琪
黄青青
陈国明
Original Assignee
上海微创心通医疗科技有限公司
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.)
Filing date
Publication date
Application filed by 上海微创心通医疗科技有限公司 filed Critical 上海微创心通医疗科技有限公司
Publication of WO2024060798A1 publication Critical patent/WO2024060798A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
    • A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod

Definitions

  • This application relates to the technical field of medical devices, and in particular to a delivery system and its control handle.
  • Interventional therapy is a brand-new treatment technology developed internationally in recent years. Its principle is to use modern high-tech means to perform minimally invasive treatment. Under the guidance of medical imaging equipment, special precision instruments are introduced into the human body to perform treatment on the body. Lesions are diagnosed and treated locally. This technology has the characteristics of no incision, small trauma, fast recovery, and good results, and avoids the harm caused to patients by traditional surgeries.
  • the handle is usually a pure manual handle, a pure electric handle, or a manual-electric hybrid handle, all of which must ensure sufficient safety, effectiveness, and economy.
  • the bending control line pulls the outer tube used to load the implant, which will affect the loading, delivery, and release of the implant by the outer tube, increasing the risk of surgery.
  • a delivery system and a control handle thereof are provided.
  • this application provides a control handle, including:
  • the handle housing is formed with a main cavity and a first side cavity connected with the main cavity.
  • the first side cavity is located on the peripheral side of the main cavity.
  • the main cavity is provided with an inner tube.
  • the inner tube Connected to the handle housing, the distal end of the inner tube extends from the main cavity to the handle housing;
  • a bending control mechanism at least part of which is located in the first side cavity, is configured to apply traction to the distal end of the inner tube via a bending control line to cause the inner tube to bend.
  • the present application provides a delivery system, including a catheter assembly and the above-mentioned control handle.
  • the catheter assembly includes at least two catheters. At least two of the catheters are sleeved on the inner tube in sequence and connected with the inner tube.
  • a control handle is connected, and the control handle is configured to operate the catheter to move axially relative to the inner tube.
  • Figure 1 is a schematic structural diagram of a conveying system according to an embodiment of the present application.
  • Figure 2 is a schematic structural diagram of a catheter assembly of a delivery system according to an embodiment
  • Figure 3 is a schematic structural diagram of the handle housing, its bending control mechanism, and the wire withdrawal mechanism of the conveyor system in one embodiment
  • Figure 4 is a schematic structural diagram of the wire withdrawal mechanism in the control handle of the conveying system according to one embodiment
  • Figure 5 is a structural schematic diagram of the wire withdrawal mechanism for winding up the first pulling wire in the control handle of the conveying system according to one embodiment. picture;
  • Figure 6 is a schematic diagram of the cooperation between the first pawl and the first ratchet wheel in the partial structural view of the thread withdrawal mechanism shown in Figure 5;
  • FIG. 7 is a schematic structural diagram of a wire withdrawing mechanism in a control handle of a conveying system according to an embodiment of the present invention for winding up a second pull wire;
  • Figure 8 is a schematic structural diagram of the bending control mechanism of the control handle in the conveying system according to one embodiment
  • FIG9 is a schematic structural diagram of another embodiment of a bending control mechanism of a control handle
  • Figure 10 is a schematic cross-sectional structural diagram of a conveying system according to an embodiment
  • Figure 11 is a schematic structural diagram of the first operating part in the control handle of the conveying system according to an embodiment
  • Figure 12 is a partial enlarged schematic diagram of the structure of the circled part in Figure 10;
  • Figure 13 is a schematic structural diagram of the first operating part in the control handle of the conveying system according to an embodiment
  • Figure 14 is a schematic structural diagram of the first operating part in another state of the control handle of the conveying system according to an embodiment
  • Figure 15 is a schematic structural diagram of an implant delivered by a delivery system according to an embodiment.
  • Transmission member; 143 first knob; 15, second operating part; 151, connecting pipe; 151a, limit groove; 152, linkage part; 153, second knob; 154, pressing part; 154a, threaded fitting part; 154b, limit part ; 155.
  • first and second are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise expressly and specifically limited.
  • a first feature being "on” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. touch.
  • distal and proximal are used as directional terms, which are commonly used terms in the field of interventional medical devices, where “distal” refers to the end away from the operator (such as a doctor) during the operation, and “distal” refers to the end far away from the operator (such as a doctor) during the operation.
  • Proximal end refers to the end close to the operator during surgery.
  • Axial direction refers to the direction in which the central axis of the medical device extends; radial direction refers to the direction perpendicular to the above-mentioned axial direction.
  • the axial limit between two objects means that there will be no relative displacement between the two objects in the axial direction.
  • the second operating part of the control handle 10 shown in Figure 12 In 15, the second knob 153 is axially limited to the linkage member 152, which means that the second knob 153 cannot move in the axial direction relative to the linkage member 152.
  • an embodiment of the present application provides a delivery system 100, which includes a control handle 10 and a catheter assembly 20.
  • the proximal end of the catheter assembly 20 is connected to the control handle 10.
  • the control handle 10 is used to drive the catheter assembly 20. At least part of the tube moves axially.
  • the conduit assembly 20 may include two or more conduits, which are arranged to be sleeved with each other and capable of moving relative to each other along the axial direction.
  • the catheter assembly 20 includes an inner tube 21 , a middle tube 22 and an outer tube 23 .
  • the middle tube 22 and the outer tube 23 are movably sleeved on the inner tube 21 in sequence.
  • the control handle 10 is used to control the middle tube 22 and the outer tube 23 to move axially relative to the inner tube 21, or to control the outer tube 23 to move axially relative to the middle tube 22, to achieve a certain operating purpose.
  • the delivery system 100 will be further described by taking the delivery system 100 for implanting implants into the human body and implementing interventional treatment as an example.
  • the inner tube 21 is used to construct a guide wire channel, so that the guide wire is used to construct a delivery path.
  • a receiving cavity is formed between the middle tube 22 and the outer tube 23.
  • the receiving cavity is configured to accommodate the implant.
  • the distal end of the middle tube 22 is detachably connected to the implant, and when the outer tube 23 approaches the middle tube 22, When the end moves, the implant moves out of the receiving cavity from the distal end of the outer tube 23.
  • the implant when the outer tube 23 is operated to move distally relative to the middle tube 22, the implant can be recovered into the outer tube 23, and then the implant can be installed into the receiving cavity.
  • the implant can be a vascular stent, a prosthetic valve or an occluder, etc.
  • the implantation site can be a location such as a blood vessel, heart, or left atrial appendage.
  • the control handle 10 includes a handle housing 11 and a bending control mechanism 12 .
  • the handle housing 11 is formed with a main cavity 11a and a first side cavity 11b connected with the main cavity 11a.
  • the main cavity 11a is provided with an inner tube 21.
  • the inner tube 21 is connected to the handle housing 11, and the distal end of the inner tube 21 It extends from the main cavity 11a to the handle housing 11 .
  • At least part of the structure of the bending control mechanism 12 is located in the first side cavity 11b.
  • the bending control mechanism 12 is configured to exert traction force on the distal end of the inner tube 21 through the bending control line A, so as to bend the inner tube 21.
  • the first side cavity 11b is located on the peripheral side of the main cavity 11a. Therefore, when performing the bending control operation on the bending control mechanism 12 in the first side cavity 11b, the operation is simple and not easy to be misoperated, and the control will not be increased. Overall length of handle 10. Since the bending control mechanism 12 is configured to exert traction on the distal end of the inner tube 21 via the bending control line A to bend the inner tube 21 , a good bending control effect is maintained and the need for bending the outer tube 23 in the related art is avoided. During traction, the loading, transporting and releasing effects of the outer tube 23 on the implant are affected, so as to effectively reduce surgical risks.
  • the middle tube 22 and the outer tube 23 are sleeved on the inner tube 21. Therefore, when the bending control mechanism 12 performs a bending control operation on the inner tube 21 to bend the inner tube 21, the inner tube 23 is sleeved on the inner tube 21.
  • the outer tubes such as the middle tube 22 and the outer tube 23 will also be bent together to adjust the advancement direction of the catheter assembly 20 in the body, so that the catheter assembly 20 adapts to the bending of the blood vessels during the process of entering the body to reduce the impact on the blood vessel wall. of damage.
  • the handle housing 11 is connected to a first guide assembly 13, and the first guide assembly 13 is configured as follows: when the bending control mechanism 12 pulls the inner tube 21 via the bending control line A, the first guide assembly 13 tensions the bending control line A and guides the bending control line A to move along the tensioning direction, so as to reduce the probability of the bending control line A getting tangled in the handle housing 11, thereby effectively improving the operational reliability of the bending control mechanism 12.
  • the first guide assembly 13 includes a first roller 13a and a second roller 13b.
  • the first roller 13a and the second roller 13b are both rotatably connected to the handle housing 11, and an overpass is formed between the first roller 13a and the second roller 13b.
  • Line gap and line-passing gap are used for the control bend line A to pass through.
  • the direction in which the first side cavity 11b extends toward the proximal end forms an acute angle with the direction in which the main cavity 11a extends toward the proximal end. In this way, when operating the control handle 10, a good gripping feel can be obtained and the operation is convenient. Bending control mechanism 12.
  • the first guide assembly 13 is not limited to the above-mentioned first roller 13a and second roller 13b.
  • the first guide assembly 13 includes a guide tube (not shown). One end of the guide tube is connected to the main cavity 11a, and the other end is connected to the first side cavity 11b.
  • the bending control line A is passed through guide tube. Therefore, when the bending control mechanism 12 performs a bending control operation on the inner tube 21 via the bending control line A, the bending control line A can flexibly move along the tensioning direction under the guidance of the guide tube and avoid winding.
  • the bending control mechanism 12 includes a guide part 121 , a traction part 122 , a driving part 123 and a bending control knob 124 .
  • the guide member 121 is fixedly connected to the handle housing 11 and extends along the first side cavity 11b.
  • the traction member 122 is connected to the bending control line A, and the traction member 122 can move linearly along the guide member 121, and the driving member 123 can move along the first side cavity 11b. It rotates in the side cavity 11b and is axially limited in the first side cavity 11b.
  • the driving member 123 is configured to drive the traction member 122 to move along the guide member 121 when rotating.
  • the bending control knob 124 is connected to the driving member 123.
  • the bending control knob 124 is used to drive the driving member 123 to rotate.
  • the bending control knob 124 can be rotated to drive the driving member 123 to rotate, so that the driving member 123 drives the traction member 122 to move linearly along the guide member 121 .
  • the bending control line A is connected between the distal end of the inner tube 21 and the traction member 122, when the traction member 122 moves linearly along the guide member 121, it will pull the distal end of the inner tube 21 through the bending control line A. The distal end of the inner tube 21 is bent.
  • the bending control line A will pull the distal end of the inner tube 21 to move toward the proximal end, so that the degree of bending gradually increases.
  • the bending control knob 124 is rotated in the reverse direction to cause the traction member 122 to move toward the distal end along the guide member 121, the traction force of the bending control line A on the distal end of the inner tube 21 gradually decreases, so that the bending degree of the inner tube 21 gradually weakens. .
  • the bending control mechanism 12 is used to achieve precise bending control of the inner tube 21 .
  • connection between the bending control wire A and the inner tube 21 includes but is not limited to locking with a jack screw, or the inner tube 21 is connected to the bending control wire A by thermoplastic molding.
  • the connection method between the traction component 122 and the bending control line A includes but is not limited to a glue connection or a screw connection.
  • the bending control wire A can be tied to the traction component 122 in a knotted manner. How the curved line A is connected to the inner tube 21 and the pulling member 122 will not be described in detail here.
  • the traction member 122 is annular and is sleeved outside the guide member 121 .
  • the traction member 122 is circumferentially limited to the guide member 121 .
  • the traction member 122 cooperates with the guide member 121 in a nested manner, which is easy to assemble, and the movement stability of the traction member 122 along the guide member 121 is good.
  • the guide member 121 has a guide groove 121a extending along its axial direction.
  • the driving member 123 is tubular and is sleeved outside the guide member 121 .
  • the inner wall of the driving member 123 is provided with internal threads for pulling.
  • the member 122 is slidably matched with the guide groove 121a, and the pulling member 122 is matched with the internal thread.
  • the driving member 123 rotates, the driving member 123 screw drives the traction member 122 to move along the guide groove 121a.
  • the guide member 121 may be tubular or solid cylinder, which is not limited here.
  • the guide groove 121a may be a through groove that radially penetrates the side wall of the guide member 121, or may be a blind groove that does not penetrate the inner wall of the guide member 121.
  • the guide member 121 is tubular and has a guide groove 121 a extending along its axial direction, and the driving member 123 is rotatably inserted into the guide member 121 .
  • the driving member 123 can be a hollow tube or a solid cylinder.
  • the driving part 123 is provided with an external thread
  • the traction part 122 is slidingly matched with the guide groove 121a
  • the traction part 122 is matched with the external thread.
  • the driving part 123 rotates, the driving part 123 threads the traction part 122 along the guide groove. 121a mobile.
  • the thread transmission method itself not only has high control accuracy , and can realize self-locking, so that when the bending control knob 124 is not rotated, the driving member 123 is affected by the thread self-locking and will not rotate to avoid the displacement of the traction member 122, effectively improving the precise control of the inner tube 21. Reliability and stability of bending operations.
  • the guide member 121 can not only adopt the above-mentioned slotting method to form the guide groove 121a to guide the traction member 122 to move linearly.
  • the guide groove 121a can be replaced by a guide protrusion, which uses the guide protrusion to circumferentially limit the traction member 122 and guide the movement of the traction member 122 in the axial direction. The structure of the guide member 121 will not be described again here.
  • the implant can be released to the implantation site by operating the inner tube 22 and the outer tube 23 to move axially.
  • the control handle 10 includes a first operating part 14 and a second operating part 15 that are connected.
  • the first operating part 14 and the second operating part 15 are both connected to the handle housing 11 .
  • the first operating part 14 is located on the proximal side of the second operating part 15 .
  • the second operating part 15 is connected to the distal end of the first operating part 14
  • the proximal end of the first operating part 14 is connected to the handle housing 11 .
  • the first operating part 14 is connected to the middle tube 22 and is configured to operate the middle tube 22 to move in the axial direction relative to the inner tube 21 .
  • the second operating part 15 is connected to the outer tube 23 and is configured to operate the outer tube 23 to move axially relative to the inner tube 21 . Therefore, the inner tube 22 and the outer tube 23 can be independently operated to move in the axial direction relative to the inner tube 21 through the first operating part 14 and the second operating part 15 without mutual interference. It can be understood that when the first operating part 14 keeps the middle tube 22 stationary relative to the inner tube 21, the outer tube 23 can be relatively centered by operating the second operating part 15 to move the outer tube 23 relative to the inner tube 21 in the axial direction. The tube 22 moves in the axial direction, so as to utilize the relative movement between the outer tube 23 and the middle tube 22 to move the implant out of or into the receiving chamber.
  • the structures of the first operating part 14 and the second operating part 15 are exemplified below.
  • the first operating part 14 includes a guide tube 141 , a transmission member 142 and a first knob 143 .
  • the guide tube 141 is connected to the handle housing 11 , and the transmission member 142 can move axially within the guide tube 141 and is circumferentially limited to the guide tube 141 .
  • the first knob 143 is rotatably sleeved on the outer periphery of the guide tube 141 and is axially limited to the guide tube 141 .
  • the first knob 143 is threadedly engaged with the transmission member 142. When the first knob 143 rotates around the guide tube 141, the transmission member 142 moves axially relative to the guide tube 141 under the thread transmission of the first knob 143.
  • the transmission member 142 when the transmission member 142 is connected to the middle tube 22, the transmission member 142 can be used to drive the middle tube 22 to move axially relative to the guide tube 141, because the guide tube 141 is connected to the handle housing 11, and the inner tube 21 is connected to the handle housing 11.
  • the handle shells 11 are connected, thereby realizing the axial movement of the middle tube 22 relative to the inner tube 21 .
  • the second operating part 15 includes a connecting tube 151 , a linkage 152 and a second knob 153 .
  • the connecting tube 151 is relatively fixed to the handle housing 11.
  • the connecting tube 151 is provided with a limiting groove 151a extending along its axial direction.
  • the linkage piece 152 is slidably matched with the limiting groove 151a.
  • the second knob 153 is axially limited to the linkage piece 152.
  • the second knob 153 is sleeved outside the connecting tube 151 and can move axially relative to the connecting tube 151 to drive the linkage 152 to move along the limiting groove 151a.
  • the linkage piece 152 when the linkage piece 152 is connected to the outer tube 23, the linkage piece 152 can be used to drive the outer tube 23 to move axially relative to the guide tube 141, because the guide tube 141 is connected to the handle housing 11, and the inner tube 21 is connected to the handle housing 11.
  • the handle housings 11 are connected, thereby enabling the outer tube 23 to move axially relative to the inner tube 21 .
  • outer tube 23 and the linkage piece 152 can be connected through glue, or can be fixed to each other through plug fit, thread fit or snap fit.
  • connection method between the outer tube 23 and the linkage piece 152 no limitation is made here.
  • the second knob 153 can rotate circumferentially relative to the linkage 152 .
  • the second knob 153 can rotate relative to the connecting tube 151 .
  • the second knob 153 is movably connected to a pressing member 154.
  • the pressing member 154 has a threaded fitting portion 154a, and the connecting pipe 151 has an external thread.
  • the pressing member 154 can move to a first state or a second state relative to the second knob 153. In the first state, the threaded fitting portion 154a cooperates with the external thread to press the second knob 153 when the second knob 153 rotates relative to the connecting tube 151.
  • the member 154 drives the second knob 153 to move in the axial direction relative to the connecting pipe 151. In the second state, the thread fitting portion 154a releases the thread fit with the external thread.
  • the second knob 153 can be accurately moved along the axial direction of the connecting tube 151 by operating the second knob 153 to rotate relative to the connecting tube 151 in this state, so as to improve the axial movement accuracy of the outer tube 23. Since the threaded fitting portion 154a is released from the threaded fitting between the connecting tube 151 in the second state, the second knob 153 can be quickly operated to move axially relative to the connecting tube 151, so as to quickly move the outer tube 23 axially relative to the handle housing 11 to a suitable position, thereby improving the operation efficiency. For example, when operating the outer tube 23 to move proximally relative to the middle tube 22 to remove the implant from the distal end of the outer tube 23, the effect of quickly removing the implant can be achieved in the second state.
  • the pressing member 154 can be configured as a button structure, so that switching between the first state and the second state can be achieved by pressing.
  • a first spring is provided between the pressing member 154 and the second knob 153 .
  • the first spring 155 is used to drive the pressing member 154 to return to the second state from the first state.
  • the pressing member 154 penetrates the second knob 153 in a direction perpendicular to the connecting pipe 151.
  • the pressing member 154 has a limiting portion 154b.
  • the second knob 153 is provided with a locking member 156.
  • the locking member 156 is used to engage with the limiting portion 154b. In cooperation, the pressing member 154 is limited to the first state.
  • the locking part 156 can reciprocate between the locking position and the unlocking position relative to the second knob 153.
  • the locking part 156 When the locking part 156 is in the locking position, the locking part 156 resists the limiting part 154b and causes the thread to fit. Portion 154a maintains a threaded fit with the external thread.
  • the locking member 156 When the locking member 156 is in the unlocking position, the locking member 156 releases the restriction of the limiting portion 154b, so that the pressing member 154 is driven by the first spring 155 to return to the second state, and the locking member 156 and the second A second spring 157 is provided between the knobs 153, and the second spring 157 is used to drive the locking member 156 to return to the locking position.
  • the pressing member 154 presses the first spring 155 so that the threaded fitting portion 154a of the pressing member 154 is threadedly engaged with the connecting pipe 151 .
  • the second spring 157 drives the locking member 156 to move toward the locking position, so that the locking member 156 limits the limiting portion 154b of the pressing member 154 and prevents the pressing member 154 from leaving the connecting pipe 151 under the elastic force of the first spring 155 , thereby maintaining the threaded fitting portion 154a in a mating state with the connecting pipe 151 .
  • the pressing member 154 brings The second knob 153 moves axially relative to the connecting tube 151, so that the linkage 152 axially limiting the second knob 153 can be used to drive the outer tube 23 to move axially.
  • the second knob 153 can be operated to quickly move axially relative to the connecting tube 151, and then adjust the axial direction of the outer tube 23 relative to the handle housing 11. location, it can be faster.
  • both the first operating part 14 and the second operating part 15 can operate the corresponding pipe to move axially. Therefore, in some embodiments, the structure of the first operating part 14 may be the same as that of the second operating part 15 Same structure. To be precise, the implementation of the axial movement of the middle tube 22 relative to the inner tube 21 is the same as the implementation of the axial movement of the outer tube 23 relative to the inner tube 21 .
  • the middle tube 22 can also be operated to move proximally relative to the inner tube 21 to realize the retraction of the middle tube 22 for utilization.
  • the middle tube 22 performs certain operations on the implant located at its distal end.
  • the implant is a self-expanding implant, such as an expanding stent.
  • Implants that are self-expanding have the property of being compressed and able to expand when the compressive force on them is removed.
  • the distal end of the middle tube 22 is detachably connected to the implant, so that when the middle tube 22 needs to be withdrawn after the implant is released, the middle tube 22 will not cause adverse interference to the implant.
  • release of the implant may be accomplished by operative movement of tube 22 proximally relative to inner tube 21 .
  • the implant W is disposed with a first pull wire B and a limiting pin D that constrains the first pull wire B.
  • the first pull wire B can be circumscribed by the limiting pin D in a manner that passes through the limiting pin D. bound.
  • the first pull wire B is configured to be able to generate a radial binding force on the implant W located at the distal end of the middle tube 22 under the constraints of the limiting pin D and to release the restraint on the implant when the limiting pin D is removed. Radial restraint of W.
  • the implant W is affected by the radial force of the first pull wire B. Compressed toward restraint.
  • the limiting pin D moves out, the limiting pin D no longer restrains the first pulling wire B.
  • the first pulling wire B releases the radial restraint on the implant W, so that the implant W The self-expansion property leads to radial expansion.
  • the limiting pin D is connected to a second pulling wire C, and the second pulling wire C is configured to pull the limiting pin D to move proximally relative to the implant W to remove the limiting pin D, and then release the limiting pin D from the first The constraints of pull line B.
  • first pulling wires B There may be multiple first pulling wires B or one first pulling wire B. When there are multiple first pulling wires B, they can respectively bind different circumferential positions of the implant W, or they can jointly bind the implant W. Understandably, the plurality of first pulling wires B are merged into one line in parts that are not provided on the implant W, so as to facilitate the operation of the control handle 10 thereon.
  • the implant W is located at the distal end of the middle tube 22.
  • the first pull wire B wound around the implant W detachably connects the implant W to the middle tube 22.
  • the first pull wire B is wound around the winding part on the inner tube 21.
  • the implant W When the outer tube 23 is moved proximally relative to the middle tube 22, the implant W is moved out of the receiving cavity from the distal end of the outer tube 23. It should be noted that at this time, the force exerted by the first pull wire B on the implant W can still maintain the implant W in a compressed state, and then the position of the implant W can continue to be adjusted to the appropriate position. freed. Specifically, when it is necessary to release the pressure grip on the implant W, the first operating part 14 is operated to cause the middle tube 22 to move distally relative to the inner tube 21, thereby reducing the traction force of the first pulling wire B on the implant W, Therefore, the radial restraint force of the first pull wire B on the implant W is also gradually reduced, so that the implant W gradually expands.
  • the control handle 10 includes a wire withdrawal mechanism 16 configured to wind up or release the first pull wire B and the second pull wire C. Therefore, after the implant W is released, the first pulling wire B and the second pulling wire C can be conveniently withdrawn using the wire withdrawal mechanism 16 to avoid the first pulling wire B and the second pulling wire C being removed from the delivery system 100. Improper traction will be produced on the implant W and the implantation effect of the implant W will be affected.
  • the handle housing 11 is formed with a second side cavity 11c connected with the main cavity 11a.
  • the control handle 10 includes a wire withdrawal mechanism 16, and at least part of the structure of the wire withdrawal mechanism 16 is located in the second side cavity 11c. Under this structure, the cable withdrawal mechanism 16 will not increase the overall length of the control handle 10 and is easy to operate.
  • the first side cavity 11b and the second side cavity 11c are respectively located on opposite sides of the main cavity 11a.
  • the control handle 10 has a reasonable spatial layout and is easy to operate.
  • the thread withdrawal mechanism 16 includes a first thread reel 161 , a second thread reel 162 , a first thread withdrawal knob 163 and a second thread withdrawal knob 164 .
  • the first coil reel 161 and the second coil reel 162 are both rotatably connected to the handle housing 11
  • the first coil withdrawal knob 163 is connected to the first coil coil 161
  • the second coil withdrawal knob 164 is connected to the second coil coil 161 . 162 connections.
  • the first thread withdrawal knob 163 and the second thread withdrawal knob 164 are configured to operate the first thread reel 161 and the second thread reel 162 to rotate relative to the handle housing 11 respectively, so that the first thread reel 161 and the second thread reel 162 rotate relative to the handle housing 11 .
  • the winding reel 162 winds up or releases the first pull wire B and the second pull wire C respectively.
  • first winding drum 161 and the second winding drum 162 are coaxially arranged, thereby making the overall structure simple and easy to control.
  • the handle housing 11 is connected with a second guide assembly 17 , and the second guide assembly 17 is configured to: when the first coil reel 161 and the second coil reel 162 are respectively retracted, When the first pull wire B and the second pull wire C are rolled or released, the second guide assembly 17 tensions the first pull wire B and the second pull wire C and guides the first pull wire B and the second pull wire C to move along the tensioning direction.
  • the second guide assembly 17 can be used to reduce the probability of winding of the first pull wire B and the second pull wire C, and improve the operational reliability and safety of the control handle 10 .
  • the structure of the second guide assembly 17 is similar to that of the first guide assembly 13 .
  • the second guide assembly 17 includes a first wire pulley 17a, a second wire pulley 17b, and a third wire pulley 17c.
  • the first wire pulley 17a, the second wire pulley 17b, and the third wire pulley 17c are all connected with the handle housing 11. Rotatingly connected, a first wire passing gap is formed between the first wire pulley 17a and the second wire pulley 17b.
  • the first wire passing gap is used for the first wire B to pass through.
  • the second wire guide wheel 17b and the third wire guide wheel 17c are A second wire-passing gap is formed between them, and the second wire-passing gap is used for the first pull wire B to pass through.
  • the wire pulley and the roller may be the same or similar wheels, or they may be different types of wheels. Specifically, it can be a metal wheel or a plastic wheel, which is not limited here.
  • the first cable withdrawal knob 163 is connected to a first ratchet 161 a, and the handle housing 11 is provided with a first pawl 165 that matches the first ratchet 161 a.
  • the wire withdrawal mechanism 16 includes an installation cover 16a, which is connected to the handle housing 11, and the connection method between the two includes but is not limited to a snap connection or a screw connection.
  • the mounting housing 16a and the handle The housing 11 is formed in one piece.
  • the first cable withdrawal knob 163 is rotationally connected to the installation cover 16a to drive the first ratchet 161a to rotate relative to the handle housing 11.
  • the first ratchet 165 is rotatably connected to the mounting cover 16a and cooperates with the teeth of the first ratchet wheel 161a.
  • the first pawl 165 has a one-way rotation-stopping function for the first ratchet wheel 161 a.
  • the teeth on the first ratchet 161a are in a sawtooth shape and have a limiting tooth surface 161b and a guiding tooth surface 161c.
  • the first pawl 165 contacts the limiting tooth surface 161b of the first ratchet 161a, and the force on the first pawl 165 is directed toward its own rotation axis and cannot At this time, the first ratchet wheel 161a is limited by the blocking effect of the first pawl 165 and cannot rotate.
  • the first ratchet 161a When the first ratchet 161a receives a counterclockwise twisting force, the first pawl 165 comes into contact with the guide tooth surface 161c of the first ratchet 161a, and the guide tooth surface 161c exerts force on the first pawl 165 in the same direction. There is an included angle in the direction pointing to the rotation axis of the first pawl 165, that is, the force on the first pawl 165 is not directed to its own rotation axis. In this way, the first pawl 165 can rotate around its own rotation axis, so that there is no The first ratchet wheel 161a can rotate counterclockwise due to the resistance between the limiting tooth surface 161b and the first ratchet 165. Therefore, with the cooperation of the first ratchet wheel 161a and the first ratchet pawl 165, the first ratchet wheel 161a can only rotate in one direction, thereby achieving a one-way anti-rot
  • the first thread withdrawal knob 163 can only operate the first reel 161 to rotate in the direction of winding up the first pulling wire B.
  • Such an arrangement not only maintains the need for the first winding reel 161 to wind up the first pull wire B, but also avoids the winding phenomenon caused by the loosening of the first pull wire B from the first winding reel 161, thereby facilitating the improvement of the first winding operation.
  • the reel 161 rewinds the first pull wire B to ensure reliability.
  • first ratchet 161a may be integrally formed with the first winding reel 161, that is to say, the first ratchet 161a is formed on the first winding reel 161.
  • first reel 161 is not only used to wind up the first pull wire B, but also can cooperate with the first pawl 165 through the first ratchet 161a on it, and can only wind up the first wire B. Turn the direction of cable B.
  • the first ratchet 161a may be relatively fixed to the first cable withdrawal knob 163 by buckling or welding, and the first coil reel 161 may be fixed to the first cable withdrawal knob 163 by buckling or welding. Relatively fixed, in this way, when the first thread withdrawal knob 163 is operated to drive the first reel 161 to rotate relative to the handle housing 11, the first ratchet 161a also rotates synchronously.
  • the first winding reel 161 cannot rotate relative to the handle housing 11, and then the one-way anti-rotation performance of the first pawl 165 on the first ratchet wheel 161a is utilized, To realize that the first winding reel 161 can only rotate in the direction of winding up the first pull wire B.
  • the second thread withdrawal knob 164 is connected to a second ratchet 162 a, and the handle housing 11 is provided with a second pawl 166 that matches the second ratchet 162 a.
  • the second thread withdrawal knob 164 can only operate the second reel 162 to rotate in the direction of winding up the second pulling thread C.
  • the cooperation between the second ratchet 166 and the second ratchet wheel 162a can be used to reduce the probability that the second pull wire C becomes loose and causes winding.
  • the principle of one-way rotation prevention of the second ratchet wheel 162a by the second pawl 166 can be referred to the one-way rotation prevention principle of the first ratchet wheel 161a by the first pawl 165, which will not be described in detail here.
  • the wire withdrawal mechanism 16 includes not only the matching first pawl 165 and the first ratchet wheel 161a, but also the matching second pawl 166 and the second ratchet wheel 162a.
  • first ratchet 165 and the second ratchet 166 can respectively be used to unidirectionally prevent the first ratchet 161a and the second ratchet 162a, so that the first thread withdrawal knob 163 and the second thread withdrawal knob 164 can only rotate
  • the corresponding first winding reel 161 and the second winding reel 162 are operated to wind up the first pulling wire B and the second pulling wire C, so as to reduce the probability that the first pulling wire B and the second pulling wire C are relaxed and winding occurs.
  • first winding reel 161 and the second winding reel 162 wind up the first pulling wire B and the second pulling wire C in opposite directions.
  • the rotation direction of the first winding reel 161 when winding up the first guy wire B is defined as the forward rotation direction
  • the second winding drum 162 will wind up the second guy wire C when it rotates reversely.
  • the release position may be inaccurate, and the implant W needs to be restrained again, and the implant W needs to be adjusted to a suitable release position.
  • the second winding drum 162 accidentally rotates when operating the first winding drum 161, the second pulling wire C will move the limiting pin D toward the proximal end, which will cause the limiting pin D to release the constraint on the first pulling wire B, causing the The first pulling wire B cannot bind the implant W again.
  • the first winding reel 161 and the second winding reel 162 wind up the first pulling wire B and the second pulling wire C in opposite directions, thus avoiding accidentally touching the second winding reel when operating the first reel 161 to rotate. 162 rotation, thereby reducing the probability of the second guy wire C being improperly wound up.
  • the first pull wire B can be used to re-bind the implant W, so that the position of the implant W can be adjusted to facilitate the accuracy of the release of the implant W. sex.
  • control handle 10 also includes a front end housing 10 a.
  • the front end housing 10 a is connected to the distal end of the second operating part 15 to facilitate the operator to hold and use the control handle 10 .
  • the distal end of the front end shell 10 a can be connected to a stabilizing tube 24 .
  • the stabilizing tube 24 is sleeved on the outside of the catheter assembly 20 to provide a stabilizing support for the catheter assembly 20 and improve the stability of the catheter assembly 20 .
  • a drain assembly is provided at the proximal end of each pipe member.
  • the pipe fittings in the delivery system 100 include an inner pipe 21 and a middle pipe 22 , an outer pipe 23 and a stabilizing pipe 24 that are sequentially sleeved outside the inner pipe 21 .
  • the conveying system 100 includes four evacuation components, specifically a first evacuation component 21a, a second evacuation component 22a, a third evacuation component 23a and a fourth evacuation component 24a, to communicate with the inner tube 21 and the middle tube 22 respectively.
  • the four pipe fittings, outer tube 23 and stabilizing tube 24 correspond to each other, so that the emptying assembly can be used to drain these pipe fittings to avoid air entering the body and causing adverse effects.

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  • Heart & Thoracic Surgery (AREA)
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Abstract

本申请涉及一种输送系统(100)及其控制手柄(10)，控制手柄(10)包括手柄壳体(11)和控弯机构(12)，手柄壳体(11)形成有主腔(11a)以及与主腔(11a)相连通的第一侧腔(11b)，第一侧腔(11b)位于主腔(11a)的周侧，主腔(11a)设有内管(21)，内管(21)与手柄壳体(11)相连接，内管(21)的远端从主腔(11a)伸出于手柄壳体(11)，控弯机构(12)至少部分结构位于第一侧腔(11b)内，控弯机构(12)被配置为能够经控弯线(A)对内管(21)的远端施加牵引力以使得内管(21)弯曲。

Description

输送系统及其控制手柄
本申请要求于2022年09月20日申请的，申请号为202211148004.5、名称为“输送系统及其控制手柄”的中国专利申请的优先权，在此将其全文引入作为参考。
技术领域
本申请涉及医疗器械技术领域，特别是涉及一种输送系统及其控制手柄。
背景技术
随着老龄化加剧，中老年人患有冠心病、心脑血管病、心脏瓣膜病、肿瘤等疾病的几率逐年上升。这些疾病直接影响到中老年人的生活质量甚至生命安全。传统外科手术治疗仍是重病患者的首选治疗手段，但是对于高龄、合并多器官疾病、有开胸手术史以及身体恢复功能较差的患者来说，传统外科手术的风险大、死亡率高，部分患者甚至没有手术的机会。近十年来，国际上心脏瓣膜介入治疗术经过不断的探索已经取得了明显的进步，成为介入治疗领域最具发展前景的分支。
介入治疗术是国际近年来研发的一种全新的治疗技术，其原理是利用现代高科技手段进行的一种微小创伤治疗，在医学影像设备的引导下，将特制精密器械，引入人体，对体内病变进行诊断和局部治疗。这项技术具有不开刀、创伤小、恢复快、效果好等特点，避免了传统外科手术对病人造成的危害。
手柄作为整个介入治疗的操控结构，通常有纯手动手柄、纯电动手柄或者手动电动混合手柄，均需保证足够的安全性、有效性、经济性。然而，相关技术的手柄，在进行控弯操作时，控弯线对用于装载植入物的外管进行牵引，这会影响外管对植入物的装载、输送和释放效果，增加手术风险。
发明内容
根据本申请的各种实施例，提供一种输送系统及其控制手柄。
一方面，本申请提供一种控制手柄，包括：
手柄壳体，形成有主腔以及与所述主腔相连通的第一侧腔，所述第一侧腔位于所述主腔的周侧，所述主腔设有内管，所述内管与所述手柄壳体相连接，所述内管的远端从所述主腔伸出于所述手柄壳体；
控弯机构，至少部分结构位于所述第一侧腔内，所述控弯机构被配置为能够经控弯线对所述内管的远端施加牵引力以使得所述内管弯曲。
另一方面，本申请提供一种输送系统，包括导管组件以及上述的控制手柄，所述导管组件包括至少2个导管，至少2个所述导管依次套设于所述内管，并与所述控制手柄相连接，所述控制手柄被配置为能够操作所述导管相对所述内管沿轴向移动。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述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实施例的附图。
图1为本申请一实施方式的输送系统的结构示意图；
图2为一实施方式的输送系统的导管组件的结构示意图；
图3为一实施方式的输送系统的手柄壳体及其控弯机构、撤线机构的结构示意图；
图4为一实施方式的输送系统的控制手柄中，撤线机构的结构示意图；
图5为一实施方式的输送系统的控制手柄中，撤线机构的用于收卷第一拉线的结构示意 图；
图6为图5示出的撤线机构的部分结构图中，第一棘爪与第一棘轮的配合示意图；
图7为一实施方式的输送系统的控制手柄中，撤线机构的用于收卷第二拉线的结构示意图；
图8为一实施方式的输送系统中，控制手柄的控弯机构的结构示意图；
图9为控制手柄的控弯机构的另一实施方式的结构示意图；
图10为一实施方式的输送系统的剖面结构示意图；
图11为一实施方式的输送系统的控制手柄中，第一操作部的结构示意图；
图12为图10中的圆圈部分结构的局部放大示意图；
图13为一实施方式的输送系统的控制手柄中，第一操作部的结构示意图；
图14为一实施方式的输送系统的控制手柄中，第一操作部的另一状态的结构示意图；
图15为一实施方式的输送系统所输送的植入物的结构示意图。
附图标记：
100、输送系统；A、控弯线；B、第一拉线；C、第二拉线；D、限位销；10、控制手柄；
10a、前端壳体；11、手柄壳体；11a、主腔；11b、第一侧腔；11c、第二侧腔；12、控弯机构；121、导向件；121a、导向槽；122、牵引件；123、驱动件；124、控弯旋钮；13、第一引导组件；13a、第一滚轮；13b、第二滚轮；14、第一操作部；141、导向管；142、传动件；143、第一旋钮；15、第二操作部；151、连接管；151a、限位槽；152、联动件；153、第二旋钮；154、按压件；154a、螺纹配合部；154b、限位部；155、第一弹簧；156、锁止件；157、第二弹簧；16、撤线机构；16a、安装罩壳；161、第一绕线盘；162、第二绕线盘；163、第一撤线旋钮；164、第二撤线旋钮；161a、第一棘轮；161b、限位齿面；161c、导滑齿面；162a、第二棘轮；165、第一棘爪；166、第二棘爪；17、第二引导组件；17a、第一导线轮；17b、第二导线轮；17c、第三导线轮；20、导管组件；21、内管；21a、第一排空组件；22、中管；22a、第二排空组件；23、外管；23a、第三排空组件；24、稳定管；24a、第四排空组件；W、植入物。
具体实施方式
为使本申请的上述目的、特征和优点能够更加明显易懂，下面结合附图对本申请的具体实施方式做详细的说明。在下面的描述中阐述了很多具体细节以便于充分理解本申请。但是本申请能够以很多不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本申请内涵的情况下做类似改进，因此本申请不受下面公开的具体实施例的限制。
需要说明的是，当元件被称为“固定于”或“设置于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。
在本申请中，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本申请的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。
需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
需要说明的是，采用“远端”、“近端”作为方位词，该方位词为介入医疗器械领域惯用术语，其中“远端”表示手术过程中远离操作者(如医生)的一端，“近端”表示手术过程中靠近操作者的一端。轴向，指医疗器械的中轴线延伸的方向；径向，指垂直于上述轴向的方向。在本申请中，两个对象之间的轴向限位，是指该两个对象彼此之间沿轴向上不会出现相对位移，例如，图12示出的控制手柄10的第二操作部15中，第二旋钮153轴向限位于联动件152，指的是，第二旋钮153不能相对联动件152沿轴向移动。
参阅图1所示，本申请实施例提供了一种输送系统100，包括控制手柄10以及导管组件20，导管组件20的近端与控制手柄10相连接，控制手柄10用于驱使导管组件20的至少部分管件沿轴向移动。导管组件20可以包括2个或2个以上的导管，这些导管采取彼此套接且能够沿轴向彼此相对移动的方式设置。例如，结合图2所示，导管组件20包括内管21、中管22和外管23，中管22和外管23依次可活动地套设于内管21。利用控制手柄10操控中管22和外管23相对内管21沿轴向移动，或者，操控外管23相对中管22沿轴向移动，以实现某种操作目的。
为了便于理解，以输送系统100用于将植入物植入人体内，实现介入治疗为例对输送系统100做进一步说明。
具体地，以导管组件20包括内管21以及依次套设于内管21外的中管22和外管23为例，利用内管21构建导丝通道，以便利用导丝构建输送路径。中管22和外管23之间形成有收容腔，收容腔被配置为能够收容植入物，中管22的远端与植入物可分离连接，且当外管23相对中管22朝近端移动时，植入物从外管23的远端移出收容腔。在一些实施方式中，操作外管23相对中管22朝远端移动时，可以将植入物回收至外管23内，继而将植入物装入收容腔。
需要说明的是，植入物可以是血管支架、假体瓣膜或封堵器等。相应地，植入位置可以是血管、心脏或左心耳等位置。
结合图3所示，在一些实施方式中，控制手柄10包括手柄壳体11和控弯机构12。手柄壳体11形成有主腔11a以及与主腔11a相连通的第一侧腔11b，主腔11a设有内管21，内管21与手柄壳体11相连接，且内管21的远端从主腔11a伸出于手柄壳体11。控弯机构12至少部分结构位于第一侧腔11b内，控弯机构12被配置为能够经控弯线A对内管21的远端施加牵引力，以使得内管21弯曲。该实施方式中，第一侧腔11b位于主腔11a的周侧，从而在对第一侧腔11b内的控弯机构12进行控弯操作时，操作简便而不易误操作，而且不会增加控制手柄10的整体长度。由于控弯机构12被配置为能够经控弯线A对内管21的远端施加牵引力以使得内管21弯曲，从而既维持了良好的控弯效果，又避免了相关技术中对外管23进行牵引时影响外管23对植入物的装载、输送和释放效果，以有效降低手术风险。
需要说明的是，基于中管22和外管23套设于内管21上，因此，在控弯机构12对内管21进行控弯操作以使得内管21弯曲时，套设于内管21外的诸如中管22和外管23等管件也将随着一起弯曲，以便调整导管组件20在体内的推进方向，使得导管组件20在进入体内的过程中适应血管的弯曲，以减少对血管壁的损伤。
继续结合图3所示，手柄壳体11连接有第一引导组件13，第一引导组件13被配置为：当控弯机构12经控弯线A对内管21进行牵引时，第一引导组件13张紧控弯线A并引导控弯线A沿张紧方向移动，以降低控弯线A出现在手柄壳体11内出现绕线的几率，有效提高了控弯机构12的操作可靠性。
进一步地，第一引导组件13包括第一滚轮13a和第二滚轮13b，第一滚轮13a和第二滚轮13b均与手柄壳体11转动连接，第一滚轮13a和第二滚轮13b之间形成过线间隙，过线间隙用于供控弯线A穿过。
在一些实施方式中，第一侧腔11b朝近端延伸的方向与主腔11a朝近端延伸的方向呈锐角，这样，在操作控制手柄10时，能够获得良好的握持手感，且方便操作控弯机构12。
需要说明的是，第一引导组件13不局限于上述的第一滚轮13a和第二滚轮13b。例如， 在一些实施方式中，第一引导组件13包括引导管(图未示出)，引导管的一端与主腔11a相连通，另一端与第一侧腔11b相连通，控弯线A穿设于引导管。从而在控弯机构12经控弯线A对内管21进行控弯操作时，控弯线A能够在引导管的引导下灵活地沿张紧方向移动而不易出现绕线现象。
结合图3和图8所示，控弯机构12包括导向件121、牵引件122、驱动件123和控弯旋钮124。导向件121与手柄壳体11固定连接并沿第一侧腔11b延伸，牵引件122与控弯线A相连接，且牵引件122可沿导向件121做直线运动，驱动件123可于第一侧腔11b内转动，且沿轴向限位于第一侧腔11b内，驱动件123被配置为能够在转动时带动牵引件122沿导向件121运动，控弯旋钮124与驱动件123相连接，控弯旋钮124用于带动驱动件123转动。在利用控弯机构12对内管21进行控弯操作时，可以通过转动控弯旋钮124以带动驱动件123转动，从而驱动件123带动牵引件122沿导向件121做直线运动。由于控弯线A连接在内管21的远端与牵引件122之间，因此，牵引件122沿导向件121做直线运动时，会经控弯线A对内管21的远端进行牵引，使得内管21的远端弯曲。具体地，在牵引件122沿导向件121朝近端移动时，控弯线A将牵引内管21的远端朝近端移动，从而弯折程度逐渐增大。相应地，在反向转动控弯旋钮124使得牵引件122沿导向件121朝远端移动时，控弯线A对内管21的远端的牵引力逐渐减小从而内管21的弯曲程度逐渐减弱。由此，利用控弯机构12实现对内管21的精准控弯操作。需要说明的是，控弯线A与内管21之间的连接包括但不限于利用顶丝锁定，或者，内管21采取热塑成型的方式连接控弯线A。牵引件122与控弯线A之间的连接方式包括但不限于胶水连接或者通过螺丝相连接，在一些实施方式中，控弯线A可以采取打结的方式系在牵引件122上，对于控弯线A如何与内管21、牵引件122相连接，在此不做赘述。
在一些实施方式中，牵引件122呈环状，并套设于导向件121外，牵引件122沿周向限位于导向件121。该实施方式中，牵引件122以套设的方式与导向件121配合，组装方便，且牵引件122沿导向件121的运动稳定性好。
需要说明的是，控弯机构12中，实现驱动件123转动时带动牵引件122沿导向件121运动的结构具有多种可能。
示例性地，如图8所示，导向件121具有沿其轴向延伸的导向槽121a，驱动件123呈管状，并套设于导向件121外，驱动件123的内壁设有内螺纹，牵引件122与导向槽121a滑动配合，牵引件122与内螺纹相配合。当驱动件123转动时，驱动件123螺纹传动牵引件122沿导向槽121a移动。该实施方式中，导向件121可以是管状，也可以是实心柱体，在此不做限定。其中，导向件121为管状时，导向槽121a可以为径向贯穿导向件121侧壁的通槽，也可以是未贯穿导向件121的内壁的盲槽。
再例如，结合图9所示，在一些实施方式中，导向件121呈管状且具有沿其轴向延伸的导向槽121a，驱动件123可转动地插设于导向件121内。
驱动件123可以是中空管状，也可以是实心的柱体。该实施方式中，驱动件123设有外螺纹，牵引件122与导向槽121a滑动配合，牵引件122与外螺纹相配合，当驱动件123转动时，驱动件123螺纹传动牵引件122沿导向槽121a移动。
上述实施方式中，由于驱动件123是通过螺纹传动牵引件122沿导向槽121a移动，使得牵引件122经控弯线A对内管21的远端进行牵引，螺纹传动的方式本身不仅控制精度高，而且能够实现自锁，从而在不转动控弯旋钮124时，驱动件123受到螺纹自锁的作用而不会发生转动以避免牵引件122出现移位，有效提高了对内管21的精准控弯操作的可靠性和稳定性。
可理解地，导向件121不仅可以采取上述开槽形成导向槽121a的方式，实现引导牵引件122做直线运动。在其他实施方式中，导向槽121a可以替换为导向凸起，利用导向凸起对牵引件122起到周向上限位，并在轴向上能够引导牵引件122移动。对于导向件121的结构，在此不做赘述。
在将装载有植入物的导管组件20进入体内并使得植入物达到合适位置后，可以通过操作中管22和外管23沿轴向移动将植入物释放到植入位置。
具体地，结合图10和图11所示，控制手柄10包括相连接的第一操作部14和第二操作部15。第一操作部14和第二操作部15均与手柄壳体11相连接。为便于描述，特限定第一操作部14位于第二操作部15的近端侧。在一些实施方式中，第二操作部15连接于第一操作部14的远端，第一操作部14的近端与手柄壳体11相连接。第一操作部14与中管22相连接，且被配置为能够操作中管22相对内管21沿轴向移动。第二操作部15与外管23相连接，且被配置为能够操作外管23相对内管21轴向移动。由此，可以分别通过第一操作部14和第二操作部15独立操作中管22和外管23相对内管21沿轴向移动，而不会出现相互干扰。可理解地，在第一操作部14将中管22相对内管21保持不动时，通过第二操作部15操作外管23相对内管21沿轴向移动，便可实现外管23相对中管22沿轴向移动，以利用外管23与中管22之间的相对运动实现将植入物移出收容腔或收容至收容腔。
下面对第一操作部14和第二操作部15的结构做示例性说明。
结合图11所示，第一操作部14包括导向管141、传动件142和第一旋钮143。导向管141与手柄壳体11相连接，传动件142可于导向管141内沿轴向移动，且周向限位于导向管141。第一旋钮143可转动地套设于导向管141的外周，且轴向限位于导向管141。第一旋钮143与传动件142螺纹配合，当第一旋钮143绕导向管141转动时，传动件142在第一旋钮143的螺纹传动下相对导向管141沿轴向移动。基于此，传动件142与中管22相连接时，便可以利用传动件142带动中管22相对导向管141沿轴向移动，由于导向管141与手柄壳体11相连接，且内管21与手柄壳体11相连接，从而实现了中管22相对内管21沿轴向移动。
结合图10和图12所示，第二操作部15包括连接管151、联动件152和第二旋钮153。连接管151与手柄壳体11相对固定，连接管151设有沿其轴向延伸的限位槽151a，联动件152与限位槽151a滑动配合，第二旋钮153轴向限位于联动件152。第二旋钮153套设于连接管151外，且能够相对连接管151沿轴向移动以带动联动件152沿限位槽151a移动。基于此，联动件152与外管23相连接时，便可以利用联动件152带动外管23相对导向管141沿轴向移动，由于导向管141与手柄壳体11相连接，且内管21与手柄壳体11相连接，从而实现了外管23相对内管21沿轴向移动。
需要说明的是，外管23与联动件152之间可以是通过胶水相连接，也可以是通过插接配合、螺纹配合或卡扣配合实现彼此固定，对于外管23与联动件152的连接方式，在此不做限定。
进一步地，结合图13和图14所示，第二旋钮153能够相对联动件152周向转动。第二旋钮153能够相对连接管151转动。第二旋钮153可活动地连接有按压件154，按压件154具有螺纹配合部154a，连接管151具有外螺纹。按压件154能够相对第二旋钮153活动至第一状态或第二状态，其中，在第一状态，螺纹配合部154a与外螺纹相配合，以在第二旋钮153相对连接管151转动时，按压件154带动第二旋钮153相对连接管151沿轴向移动，在第二状态，螺纹配合部154a解除与外螺纹之间的螺纹配合。
由于第一状态下，螺纹配合部154a与连接管151螺纹传动连接，从而该状态下，可以通过操作第二旋钮153相对连接管151旋转实现第二旋钮153沿连接管151的轴向进行准确移动，以改善外管23的轴向移动精确度。由于在第二状态下，螺纹配合部154a解除与连接管151之间的螺纹配合，此时可以快速操作第二旋钮153相对连接管151沿轴向移动，以便快速将外管23相对手柄壳体11沿轴向移动至合适位置，提高操作效率。例如，在操作外管23相对中管22朝近端移动以将植入物从外管23的远端移出时，第二状态下，可以实现快速移出植入物的效果。
需要说明的是，按压件154可以设置为按钮结构，从而通过按压的方式来实现在第一状态和第二状态之间切换。
进一步地，继续结合图13和图14所示，按压件154与第二旋钮153之间设有第一弹簧 155，第一弹簧155用于驱使按压件154由第一状态朝第二状态复位运动。按压件154沿垂直于连接管151的方向穿设于第二旋钮153，按压件154具有限位部154b，第二旋钮153设有锁止件156，锁止件156用于与限位部154b相配合，将按压件154限位于第一状态。锁止件156可相对第二旋钮153于锁止位置和解锁位置之间往复运动，其中，当锁止件156位于锁止位置时，锁止件156抵持于限位部154b并使得螺纹配合部154a与外螺纹保持螺纹配合。当锁止件156位于解锁位置时，锁止件156解除对限位部154b的限位，使得按压件154在第一弹簧155的驱使下复位运动至第二状态，锁止件156与第二旋钮153之间设有第二弹簧157，第二弹簧157用于驱使锁止件156朝锁止位置复位运动。
在对按压件154进行按压时，按压件154挤压第一弹簧155，并使得按压件154的螺纹配合部154a与连接管151螺纹配合。第二弹簧157驱使锁止件156朝锁止位置移动，使得锁止件156对按压件154的限位部154b进行限位，防止按压件154在第一弹簧155的弹力作用下离开连接管151，继而使得螺纹配合部154a保持在与连接管151相配合的状态。此时，只需要相对连接管151旋转第二旋钮153，使得第二旋钮153连同按压件154一起绕连接管151转动，在螺纹配合部154a与连接管151的螺纹传动作用下，按压件154带着第二旋钮153一起相对连接管151轴向移动，这样便可以利用与第二旋钮153轴向限位的联动件152带动外管23一起轴向移动。
结合图13所示，在需要快速调整外管23相对手柄壳体11的轴向位置时，只需要操作锁止件156克服第二弹簧157作用于锁止件156的弹力，便可将锁止件156从锁止位置移开，从而使得锁止件156解除对限位部154b的限位，如此，按压件154在第一弹簧155的驱使下复位运动至第二状态，即螺纹配合部154a解除与连接管151之间的螺纹配合。此时，由于没有螺纹配合部154a与连接管151之间的螺纹配合，从而可以操作第二旋钮153快速相对连接管151沿轴向移动，继而在调整外管23相对手柄壳体11的轴向位置时，可以更快捷。
需要说明的是，基于第一操作部14和第二操作部15均能够操作相应的管件轴向移动，因此，在一些实施方式中，第一操作部14的结构可以采取与第二操作部15相同的结构。确切的说，中管22相对内管21沿轴向移动的实现方式与外管23相对内管21沿轴向移动的实现方式相同。
此外，由于第一操作部14能够操作中管22相对内管21沿轴向移动，因此，也可以通过操作中管22相对内管21朝近端移动，实现中管22的回撤，以便利用中管22对位于其远端的植入物进行某种操作。
例如，在一些实施方式中，植入物为具有自膨胀性能的植入物，例如扩张支架。具有自膨胀性能的植入物具有能够被压缩且在解除对其的压缩力时能够膨胀的特性。
中管22的远端与植入物可分离连接，以便植入物释放后，需要回撤中管22时，中管22不会对植入物产生不良干扰。
在一些实施方式中，植入物的释放可以是通过操作中管22相对内管21朝近端移动来实现。
为了便于理解，下面将结合图15示出的植入物为例，对植入物的释放操作加以说明。
结合图15所示，植入物W上配置有第一拉线B以及对第一拉线B进行约束的限位销D，第一拉线B可以以绕经限位销D的方式被限位销D所束缚。具体地，第一拉线B被配置为能够在限位销D的约束下对位于中管22远端的植入物W产生径向束缚力并在限位销D移除时解除对植入物W的径向束缚。可理解地，第一拉线B对植入物W产生径向束缚力时，即第一拉线B对植入物W产生径向压握力，此时植入物W因受第一拉线B的径向束缚而压缩。相应地，在限位销D移出时，限位销D不再对第一拉线B产生约束，此时，第一拉线B解除对植入物W的径向束缚，从而植入物W因自身的自膨胀性能而径向扩张。
限位销D连接有第二拉线C，第二拉线C被配置为能够牵引限位销D相对植入物W朝近端移动以移除限位销D，继而解除限位销D对第一拉线B的约束。
第一拉线B可以为多根，也可以为一根。在第一拉线B为多根时，可以分别对植入物W的周向的不同位置实现束缚，或者共同起到对植入物W进行束缚的作用。可理解地，多根第一拉线B在不是设置在植入物W的部分汇成一股，以利于控制手柄10对其操作。
该实施方式中，植入物W位于中管22的远端，确切的说，绕设于植入物W的第一拉线B将植入物W可分离地连接于中管22。这里需要特别说明的是，第一拉线B绕经内管21上的绕线部，在中管22相对内管21朝近端移动时，中管22和内管21对第一拉线B具有张紧力，以使得第一拉线B会逐渐收紧，从而对植入物W进行径向压缩，以便植入物W维持小的压握直径以装载于中管22和外管23之间的收容腔内。在将外管23相对中管22朝近端移动时，植入物W则从外管23的远端移出收容腔。需要说明的是，此时，第一拉线B对植入物W的作用力仍可以将植入物W维持在压缩状态，继而可以继续对植入物W的位置进行调整，以便调整至合适位置释放。具体地，在需要解除对植入物W的压握时，操作第一操作部14使得中管22相对内管21向远端移动，从而减小第一拉线B对植入物W的牵引力，以使得植入物W受到第一拉线B的径向束缚力也逐渐减小，这样，植入物W逐渐膨胀。
结合图1和图3所示，在一些实施方式中，控制手柄10包括撤线机构16，撤线机构16被配置为能够收卷或释放第一拉线B和第二拉线C。从而可以在将植入物W释放后，利用撤线机构16可以便捷地将第一拉线B和第二拉线C撤出，以避免在移出输送系统100时，第一拉线B和第二拉线C会对植入物W产生不当牵引而影响植入物W的植入效果。
手柄壳体11形成有与主腔11a相连通的第二侧腔11c，控制手柄10包括撤线机构16，撤线机构16的至少部分结构位于第二侧腔11c内。这种结构设置下，撤线机构16的设置不会增加控制手柄10的整体长度，且操作方便。
第一侧腔11b和第二侧腔11c分别位于主腔11a的相对两侧，这种结构设置下，控制手柄10的空间布局合理，操作方便。
结合图3和图4所示，撤线机构16包括第一绕线盘161、第二绕线盘162、第一撤线旋钮163和第二撤线旋钮164。第一绕线盘161和第二绕线盘162均与手柄壳体11转动连接，第一撤线旋钮163与第一绕线盘161相连接，第二撤线旋钮164与第二绕线盘162相连接。第一撤线旋钮163和第二撤线旋钮164被配置为能够分别操作第一绕线盘161和第二绕线盘162相对手柄壳体11转动，以使得第一绕线盘161和第二绕线盘162分别收卷或释放第一拉线B和第二拉线C。
进一步地，第一绕线盘161和第二绕线盘162同轴设置，从而使得整体结构简洁，便于操控。
继续参阅图3所示，在一些实施方式中，手柄壳体11连接有第二引导组件17，第二引导组件17被配置为：当第一绕线盘161和第二绕线盘162分别收卷或释放第一拉线B和第二拉线C时，第二引导组件17张紧第一拉线B和第二拉线C并引导第一拉线B和第二拉线C沿张紧方向移动。通过这种结构设置，利用第二引导组件17可以降低第一拉线B和第二拉线C出现绕线的几率，提升控制手柄10的操作可靠性和安全性。
第二引导组件17与第一引导组件13的结构相类似。具体地，第二引导组件17包括第一导线轮17a、第二导线轮17b和第三导线轮17c，第一导线轮17a、第二导线轮17b和第三导线轮17c均与手柄壳体11转动连接，第一导线轮17a和第二导线轮17b之间形成第一过线间隙，第一过线间隙用于供第一拉线B穿过，第二导线轮17b和第三导线轮17c之间形成第二过线间隙，第二过线间隙用于供第一拉线B穿过。需要说明的是，导线轮与滚轮可以是相同类似的轮子，也可以是不同类型的轮子。具体可以是金属轮，也可以是塑料轮，在此不作限定。
结合图5所示，在一些实施方式中，第一撤线旋钮163连接有第一棘轮161a，手柄壳体11设置有与第一棘轮161a相配合的第一棘爪165。
具体地，撤线机构16包括安装罩壳16a，安装罩壳16a与手柄壳体11相连接，两者之间的连接方式包括但不限于卡扣连接或螺钉连接。在一些实施方式中，安装罩壳16a与手柄 壳体11成型于一体。
第一撤线旋钮163与安装罩壳16a转动连接，以带动第一棘轮161a相对手柄壳体11转动。相应地，第一棘爪165与安装罩壳16a转动连接，并与第一棘轮161a的齿相配合。
结合图6所示，第一棘爪165对第一棘轮161a具有单向止转的性能。第一棘轮161a上的齿呈锯齿状，具有限位齿面161b和导滑齿面161c。当第一棘轮161a受到朝顺时针方向的扭转力时，第一棘爪165与第一棘轮161a的限位齿面161b相接触，第一棘爪165的受力指向自身的旋转轴心而无法转动，此时，第一棘轮161a便受限于第一棘爪165的卡止作用而无法转动。当第一棘轮161a受到朝逆时针方向的扭转力时，第一棘爪165与第一棘轮161a的导滑齿面161c相接触，导滑齿面161c对第一棘爪165施力的方向与指向第一棘爪165的旋转轴心的方向存在夹角，即第一棘爪165的受力不是指向自身的旋转轴心，这样第一棘爪165能够绕自身的旋转轴心转动，从而没有限位齿面161b与第一棘爪165的抵持限位，第一棘轮161a能够朝逆时针转动。由此，第一棘轮161a与第一棘爪165的配合下，第一棘轮161a仅能够朝一个方向转动，继而达到单向止转的效果。
该实施方式中，通过第一棘爪165与第一棘轮161a的配合，使得第一撤线旋钮163仅能够操作第一绕线盘161朝收卷第一拉线B的方向转动。如此设置，既维持了第一绕线盘161收卷第一拉线B的需要，同时，避免了第一拉线B从第一绕线盘161松脱而出现绕线现象，以利于提升第一绕线盘161收卷第一拉线B的可靠性。
需要说明的是，第一棘轮161a可以是与第一绕线盘161成型于一体，也就是说，第一棘轮161a形成于第一绕线盘161。这样，第一绕线盘161不仅用于收卷第一拉线B，而且第一绕线盘161能够通过其上的第一棘轮161a与第一棘爪165相配合，仅能够朝收卷第一拉线B的方向转动。
在一些实施方式中，第一棘轮161a也可以是通过卡扣或焊接等方式与第一撤线旋钮163相对固定，第一绕线盘161通过卡扣或焊接等方式与第一撤线旋钮163相对固定，这样，在操作第一撤线旋钮163带动第一绕线盘161相对手柄壳体11转动时，第一棘轮161a也随着一起同步转动。相应地，第一棘爪165限制第一棘轮161a转动时，第一绕线盘161也无法相对手柄壳体11转动，继而利用第一棘爪165对第一棘轮161a的单向止转性能，来实现第一绕线盘161仅能够朝收卷第一拉线B的方向转动。
结合图7所示，第二撤线旋钮164连接有第二棘轮162a，手柄壳体11设置有与第二棘轮162a相配合的第二棘爪166。通过第二棘爪166与第二棘轮162a的配合，使得第二撤线旋钮164仅能够操作第二绕线盘162朝收卷第二拉线C的方向转动。如此设置，便可以利用第二棘爪166与第二棘轮162a的配合，降低了第二拉线C出现松弛而产生绕线现象的几率。第二棘爪166对第二棘轮162a的单向止转原理，可以参考第一棘爪165对第一棘轮161a的单向止转原理，在此不做赘述。
需要说明的是，结合图4所示，撤线机构16既包括相配合的第一棘爪165和第一棘轮161a，也包括相配合的第二棘爪166和第二棘轮162a。如此，便可以分别利用第一棘爪165和第二棘爪166对第一棘轮161a和第二棘轮162a的单向止转，使得第一撤线旋钮163和第二撤线旋钮164均只能操作相应的第一绕线盘161和第二绕线盘162对第一拉线B和第二拉线C进行收卷，以降低第一拉线B和第二拉线C松弛而发生绕线的几率。
进一步地，第一绕线盘161和第二绕线盘162收卷第一拉线B和第二拉线C的方向相反。例如，定义第一绕线盘161收卷第一拉线B时的转动方向为正转方向，则第二绕线盘162反转时收卷第二拉线C。如此设置，便可以避免操作第一绕线盘161转动时，误触第二绕线盘162转动而引起第二拉线C的不当收卷。例如，在第一拉线B释放对植入物W的束缚后，可能释放位置不准确，需要重新束缚植入物W，再将植入物W调整至合适释放位置。如果操作第一绕线盘161时误触第二绕线盘162转动，第二拉线C将限位销D朝近端移动，这会导致限位销D解除对第一拉线B的约束而使得第一拉线B无法再次对植入物W进行束缚。本实施 方式中，第一绕线盘161和第二绕线盘162收卷第一拉线B和第二拉线C的方向相反，避免了在操作第一绕线盘161转动时误触第二绕线盘162转动，继而降低了第二拉线C不恰当地被收卷的几率。使得植入物W的释放位置不准确时，可以利用第一拉线B对植入物W进行重新束缚，如此便可以对植入物W的位置进行调整，以利于提升植入物W的释放准确性。
再次参阅图1所示，控制手柄10还包括前端壳体10a，前端壳体10a连接在第二操作部15的远端，可以方便操作者握持使用控制手柄10。
前端壳体10a的远端可以连接稳定管24，稳定管24套设于导管组件20的外部，对导管组件20起到稳定支撑作用，提高导管组件20的稳定性。
需要说明的是，在本申请的实施方式中，各管件的近端设置有排空组件。示例性的，结合图1和图2所示，输送系统100中的管件包括了内管21以及依次套设于内管21外的中管22、外管23和稳定管24，对于这些管件的连接关系，在此不作赘述。输送系统100包括4个排空组件，具体为第一排空组件21a、第二排空组件22a、第三排空组件23a和第四排空组件24a，以分别与内管21、中管22、外管23和稳定管24这4个管件对应，从而可以利用排空组件对这些管件进行排空，避免空气进入体内而造成不良效果。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对申请专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。

Claims (20)

  1. 一种控制手柄，其特征在于，包括：
    手柄壳体，形成有主腔以及与所述主腔相连通的第一侧腔，所述第一侧腔位于所述主腔的周侧，所述主腔设有内管，所述内管与所述手柄壳体相连接，所述内管的远端从所述主腔伸出于所述手柄壳体；
    控弯机构，至少部分结构位于所述第一侧腔内，所述控弯机构被配置为能够经控弯线对所述内管的远端施加牵引力以使得所述内管弯曲。
  2. 根据权利要求1所述的控制手柄，其特征在于，所述手柄壳体连接有第一引导组件，所述第一引导组件被配置为：当所述控弯机构经所述控弯线对所述内管进行牵引时，所述第一引导组件张紧所述控弯线并引导所述控弯线沿张紧方向移动。
  3. 根据权利要求2所述的控制手柄，其特征在于，所述第一引导组件包括第一滚轮和第二滚轮，所述第一滚轮和所述第二滚轮均与所述手柄壳体转动连接，所述第一滚轮和所述第二滚轮之间形成过线间隙，所述过线间隙用于供所述控弯线穿过。
  4. 根据权利要求2所述的控制手柄，其特征在于，所述第一侧腔朝近端延伸的方向与所述主腔朝近端延伸的方向呈锐角。
  5. 根据权利要求4所述的控制手柄，其特征在于，所述第一引导组件包括引导管，所述引导管的一端与所述主腔相连通，另一端与所述第一侧腔相连通，所述控弯线穿设于所述引导管。
  6. 根据权利要求1所述的控制手柄，其特征在于，所述控弯机构包括导向件、牵引件、驱动件和控弯旋钮，所述导向件与所述手柄壳体固定连接并沿所述第一侧腔延伸，所述牵引件与所述控弯线相连接，且所述牵引件可沿所述导向件做直线运动，所述驱动件可于所述第一侧腔内转动，且沿轴向限位于所述第一侧腔内，所述驱动件被配置为能够在转动时带动所述牵引件沿所述导向件运动，所述控弯旋钮与所述驱动件相连接，所述控弯旋钮用于带动所述驱动件转动。
  7. 根据权利要求6所述的控制手柄，其特征在于，所述牵引件呈环状，并套设于所述导向件外，所述牵引件沿周向限位于所述导向件。
  8. 根据权利要求6所述的控制手柄，其特征在于，所述导向件具有沿其轴向延伸的导向槽，所述驱动件呈管状，并套设于所述导向件外，所述驱动件的内壁设有内螺纹，所述牵引件与所述导向槽滑动配合，所述牵引件与所述内螺纹相配合，当所述驱动件转动时，所述驱动件螺纹传动所述牵引件沿所述导向槽移动；
    或者，所述导向件呈管状且具有沿其轴向延伸的导向槽，所述驱动件可转动地插设于所述导向件内，所述驱动件设有外螺纹，所述牵引件与所述导向槽滑动配合，所述牵引件与所述外螺纹相配合，当所述驱动件转动时，所述驱动件螺纹传动所述牵引件沿所述导向槽移动。
  9. 一种输送系统，其特征在于，包括导管组件以及权利要求1-8任一项所述的控制手柄，所述导管组件包括至少2个导管，至少2个所述导管依次套设于所述内管，并与所述控制手柄相连接，所述控制手柄被配置为能够操作所述导管相对所述内管沿轴向移动。
  10. 根据权利要求9所述的输送系统，其特征在于，所述导管组件包括中管和外管，所述中管套设于所述内管和所述外管之间，所述控制手柄包括与所述手柄壳体相连接的第一操作部和第二操作部，所述第一操作部与所述中管相连接，且被配置为能够操作所述中管相对所述内管沿轴向移动，所述第二操作部与所述外管相连接，且被配置为能够操作所述外管相对所述内管轴向移动，所述中管和外管之间形成有收容腔，所述收容腔被配置为能够收容植入物，所述中管的远端通过所述第一拉线与所述植入物可分离连接，且当所述外管相对所述中管朝近端移动时，所述植入物从所述外管的远端移出所述收容腔。
  11. 根据权利要求10所述的输送系统，其特征在于，所述第一操作部的结构与所述第二操作部的结构相同。
  12. 根据权利要求10所述的输送系统，其特征在于，所述第一操作部包括导向管、传动 件和第一旋钮，所述导向管与所述手柄壳体相连接，所述传动件可于所述导向管内沿轴向移动，且周向限位于所述导向管，所述第一旋钮可转动地套设于所述导向管的外周，且轴向限位于所述导向管，所述第一旋钮与所述传动件螺纹配合，当所述第一旋钮绕所述导向管转动时，所述传动件在所述第一旋钮的螺纹传动下相对所述导向管沿轴向移动。
  13. 根据权利要求10所述的输送系统，其特征在于，所述第二操作部包括连接管、联动件和第二旋钮，所述连接管与所述手柄壳体相对固定，所述连接管设有沿其轴向延伸的限位槽，所述联动件与所述限位槽滑动配合，所述第二旋钮轴向限位于所述联动件，所述第二旋钮套设于所述连接管外，且能够相对所述连接管沿轴向移动以带动所述联动件沿所述限位槽移动。
  14. 根据权利要求13所述的输送系统，其特征在于，所述第二旋钮能够相对所述联动件周向转动，所述第二旋钮能够相对所述连接管转动，所述第二旋钮可活动地连接有传动件，所述传动件具有螺纹配合部，所述连接管具有外螺纹，所述传动件能够相对所述第二旋钮活动至第一状态或第二状态，其中，在第一状态，所述螺纹配合部与所述外螺纹相配合，以在所述第二旋钮相对所述连接管转动时，所述传动件带动所述第二旋钮相对所述连接管沿轴向移动，在第二状态，所述螺纹配合部解除与所述外螺纹之间的螺纹配合。
  15. 根据权利要求14所述的输送系统，其特征在于，所述传动件与所述第二旋钮之间设有第一弹簧，所述第一弹簧用于驱使所述传动件由第一状态朝第二状态复位运动，所述传动件沿垂直于所述连接管的方向穿设于所述第二旋钮，所述传动件具有限位部，所述第二旋钮设有锁止件，所述锁止件用于与所述限位部相配合，将所述传动件限位于第一状态，所述锁止件可相对所述第二旋钮于锁止位置和解锁位置之间往复运动，其中，当所述锁止件位于所述锁止位置时，所述锁止件抵持于限位部并使得所述螺纹配合部与所述外螺纹保持螺纹配合，当所述锁止件位于解锁位置时，所述锁止件解除对所述限位部的限位，使得所述传动件在所述第一弹簧的驱使下复位运动至第二状态，所述锁止件与所述第二旋钮之间设有第二弹簧，所述第二弹簧用于驱使所述锁止件朝锁止位置复位运动。
  16. 根据权利要求10所述的输送系统，其特征在于，所述手柄壳体形成有与所述主腔相连通的第二侧腔，所述控制手柄包括撤线机构，所述撤线机构的至少部分结构位于所述第二侧腔内，所述撤线机构被配置为能够收卷或释放第一拉线和第二拉线，所述第一拉线被配置为能够在限位销的约束下对位于所述中管远端的所述植入物产生径向束缚力并在所述限位销移除时解除对所述植入物的径向束缚，所述第二拉线与所述限位销相连接，所述第二拉线被配置为能够牵引所述限位销相对所述植入物朝近端移动以移除所述限位销。
  17. 根据权利要求16所述的输送系统，其特征在于，所述第一侧腔和所述第二侧腔分别位于所述主腔的相对两侧。
  18. 根据权利要求16所述的输送系统，其特征在于，所述撤线机构包括第一绕线盘、第二绕线盘、第一撤线旋钮和第二撤线旋钮，所述第一绕线盘和所述第二绕线盘均与所述手柄壳体转动连接，所述第一撤线旋钮与所述第一绕线盘相连接，所述第二撤线旋钮与所述第二绕线盘相连接，所述第一撤线旋钮和所述第二撤线旋钮被配置为能够分别操作所述第一绕线盘和所述第二绕线盘相对所述手柄壳体转动，以使得所述第一绕线盘和所述第二绕线盘分别收卷或释放所述第一拉线和所述第二拉线。
  19. 根据权利要求18所述的输送系统，其特征在于，还包括以下技术方案的至少一项：
    所述第一绕线盘和所述第二绕线盘同轴设置；
    或者，所述手柄壳体连接有第二引导组件，所述第二引导组件被配置为：当所述第一绕线盘和所述第二绕线盘分别收卷或释放所述第一拉线和所述第二拉线时，所述第二引导组件张紧所述第一拉线和所述第二拉线并引导所述第一拉线和所述第二拉线沿张紧方向移动。
  20. 根据权利要求18所述的输送系统，其特征在于，所述第一撤线旋钮连接有第一棘轮，所述手柄壳体设置有与所述第一棘轮相配合的第一棘爪，通过所述第一棘爪与所述第一棘轮的配合，使得所述第一撤线旋钮仅能够操作所述第一绕线盘朝收卷所述第一拉线的方向转动；
    和/或，所述第二撤线旋钮连接有第二棘轮，所述手柄壳体设置有与所述第二棘轮相配合的第二棘爪，通过所述第二棘爪与所述第二棘轮的配合，使得所述第二撤线旋钮仅能够操作所述第二绕线盘朝收卷所述第二拉线的方向转动。
PCT/CN2023/106581 2022-09-20 2023-07-10 输送系统及其控制手柄 WO2024060798A1 (zh)

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