Catheter assembly for conveying heart valve

Abstract

The utility model provides a catheter assembly for conveying a heart valve. Comprising a shell, and a driving part is arranged in the shell; the handheld part is connected with the shell; an accommodating cavity for accommodating a target object is formed in the handheld part; the end, away from the shell, of the handheld part is provided with a buckle structure. The power supply device is arranged in the handheld part and is connected with the driving piece; the power supply device is detachably connected with the handheld part; when the buckle structure moves in the direction away from the shell, the power supply device is separated from the interior of the handheld part. When the power supply device is placed in the hand-held part and the buckle structure is moved towards the direction of the shell, the power supply device can be fixed in the hand-held part. In the prior art, a catheter assembly usually adopts a built-in power supply to supply power to a pressure pump, and although a built-in power supply device provides certain convenience and flexibility compared with an external power supply, the following problems occur: when the battery performance of the built-in power supply device in the integrated catheter assembly is reduced and the built-in power supply device needs to be replaced, the replacement process is complicated, and the replacement cost is high. And the maintenance cost is high.

Description

Technical Field

[0001] The utility model relates to the field of medical devices, and more specifically, to a catheter assembly for delivering a heart valve. Background Art

[0002] With the development of medical technology, the treatment methods for heart valve diseases tend to be minimally invasive surgeries. Currently, transcatheter aortic valve replacement (TAVR) surgeries are highly regarded for their advantages of less trauma and faster recovery. Among them, since a pressure pump can precisely control the inflation or deflation of a balloon, a pressure pump is usually used to replace manual operation to pressurize the balloon to expand the valve during the replacement surgery.

[0003] However, there are at least the following problems in the related art: In the prior art, a catheter assembly usually uses an internal power supply to supply power to a pressure pump. Although the internal power supply device provides certain convenience and flexibility compared to using an external power supply, the subsequent problems are that when the battery performance in the internal power supply device of the integrated catheter assembly deteriorates and needs to be replaced, the replacement process is complex, and the maintenance is difficult and costly. Summary of the Utility Model

[0004] The technical problem solved by the utility model is that in the prior art, a catheter assembly usually uses an internal power supply to supply power to a pressure pump. Although the internal power supply device provides certain convenience and flexibility compared to using an external power supply, the subsequent problems are that when the battery performance in the internal power supply device of the integrated catheter assembly deteriorates and needs to be replaced, the replacement process is complex, and the maintenance is difficult and costly.

[0005] To solve the above technical problem, the utility model provides a catheter assembly for delivering a heart valve, including: a housing, in which a driving member is provided; a handheld part, which is connected to the housing; a receiving cavity for receiving a target object is provided in the handheld part; a buckle structure is provided at the end of the handheld part away from the housing; a power supply device, which is provided in the handheld part and is connected to the driving member; wherein, the power supply device is detachably connected to the handheld part; when the buckle structure moves away from the housing, the power supply device disengages from the handheld part; when the power supply device is placed in the handheld part, moving the buckle structure towards the housing can fix the power supply device in the handheld part.

[0006] Compared with the prior art, the technical effects achieved by adopting this technical solution are: Using an external detachable power supply device is usually simpler in replacement and maintenance than an internal power supply device, and reduces the equipment downtime; the external power supply can be quickly replaced, and the equipment can operate continuously without interruption.

[0007] In an example of the present application, the handheld portion includes a first handheld surface and a second handheld surface that are oppositely arranged; wherein, both the first handheld surface and the second handheld surface are provided with sliding grooves that cooperate with the buckle structure.

[0008] Compared with the prior art, the technical effect achieved by adopting this technical solution: By arranging sliding grooves that cooperate with the buckle structure on two opposite surfaces of the handheld portion, it is convenient for the buckle structure to be fastened to the handheld portion.

[0009] In an example of the present application, the handheld portion includes a first open end and a second open end that are oppositely arranged; the first open end is connected to the housing; a mating groove is provided at the bottom of the second open end; wherein, the power supply device is installed into the handheld portion from the second open end.

[0010] Compared with the prior art, the technical effect achieved by adopting this technical solution: By setting the handheld portion to be open, it is convenient to replace the power supply device.

[0011] In an example of the present application, the buckle structure includes: a buckle member and a fastening member; the buckle structure is arranged at the second open end; wherein, the fastening member is provided with a protrusion that cooperates with the mating groove.

[0012] Compared with the prior art, the technical effect achieved by adopting this technical solution: The buckle structure arranged on the handheld portion is further fastened through the protrusion arranged on the fastening member and the mating groove on the second end face, so as to ensure that the power supply device can be fixed within the handheld portion.

[0013] In an example of the present application, the buckle member includes a first sliding wall and a second sliding wall that are oppositely arranged; wherein, the first sliding wall and the second sliding wall are provided with sliders that cooperate with the sliding grooves.

[0014] Compared with the prior art, the technical effect achieved by adopting this technical solution: The operation of the buckle member can be made more convenient through the mutually cooperating slider and sliding groove structure.

[0015] In an example of the present application, the handheld portion further includes a disassembly button, and the first handheld surface is provided with a through hole that cooperates with the disassembly button.

[0016] Compared with the prior art, the technical effect achieved by adopting this technical solution: By setting the disassembly button, when the power supply device reaches the designated position, the disassembly button is fastened to the power supply device by pressing. When it is necessary to replace the power supply device, only need to press the disassembly button again, and the power supply device can be disengaged from the cooperation, achieving the purpose of one-key fixing and disassembly.

[0017] In an example of the present application, the handheld portion further includes a limiting portion; the limiting portion is respectively arranged on the first handheld surface and the second handheld surface, and away from the housing; wherein, the limiting portion includes a first position portion and a second position portion.

[0018] Compared with the prior art, the technical effects achieved by adopting this technical solution are as follows: The limiting part better positions the buckle structure. When in the first position part, the protrusion of the fastening part in the buckle structure forms a fit with the mating groove at the second opening end, fixing the power supply device within the handheld part. When in the second position part, the second opening end of the handheld part can be exposed, enabling the power supply device to be installed into the handheld part, and the second position part can limit the buckle structure to prevent the buckle structure from falling off the handheld part.

[0019] In an example of the present application, the power supply device includes a first end face and a second end face arranged oppositely; the first end face is connected to the housing; the second end face is arranged away from the housing; wherein, a conductive contact for cooperating with the driving member is provided on the first end face.

[0020] Compared with the prior art, the technical effects achieved by adopting this technical solution are as follows: It is convenient for users to distinguish the positive and negative poles.

[0021] In an example of the present application, an emergency charging port is provided on the second end face; the emergency charging port is provided with a card slot structure matching the power supply device.

[0022] Compared with the prior art, the technical effects achieved by adopting this technical solution are as follows: Setting the emergency charging port can ensure that the current power supply device is continuously powered by an external power source or a backup power supply device without interrupting the operation, and the emergency charging port can charge quickly, reducing the risks caused by power problems.

[0023] In an example of the present application, the emergency charging port further includes: a protective pad, and the protective pad is provided with a sealing groove and a protective block that cooperate with the emergency charging port.

[0024] Compared with the prior art, the technical effects achieved by adopting this technical solution are as follows: The protective pad is arranged at the emergency power supply port to protect the emergency charging port from dust or other impurities entering, thereby affecting the charging of the emergency charging port.

[0025] Relative to the prior art, a catheter assembly for delivering a heart valve of the present utility model has the following advantages:

[0026] 1. A catheter assembly for delivering a heart valve in the present application adopts a detachable power supply device, which is generally simpler than an internal power supply device in terms of replacement and maintenance, and reduces the equipment downtime, enabling the equipment to operate continuously without interruption.

[0027] 2. In a catheter assembly for delivering a heart valve in the present application, an emergency charging port is provided at the bottom of the power supply device, and the emergency charging port can be directly connected to other backup power supply devices or an external power source, improving the convenience during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and / or additional aspects and advantages of the present application will become apparent and be readily understood from the following description of embodiments in conjunction with the accompanying drawings, in which:

[0029] Figure 1 FIG. is an isometric view of the catheter assembly according to an embodiment of the present application.

[0030] Figure 2 FIG. is an isometric view of the handheld part and the power supply device according to an embodiment of the present application.

[0031] Figure 3 FIG. is an isometric view of the handheld part according to an embodiment of the present application.

[0032] Figure 4 is Figure 3 an enlarged view of part A in

[0033] Figure 5 FIG. is an isometric view of the bottom structure of the handheld part according to an embodiment of the present application.

[0034] Figure 6 FIG. is an isometric view of the power supply device according to an embodiment of the present application.

[0035] Figure 7 FIG. is an isometric view of the bottom structure of the power supply device according to an embodiment of the present application.

[0036] Figure 8 FIG. is an isometric view of the buckle structure according to an embodiment of the present application.

[0037] Figure 9 FIG. is an isometric view of the protective pad according to an embodiment of the present application.

[0038] Description of reference numerals:

[0039] 100, catheter assembly; 1, housing; 2, handheld part; 21, first open end; 22, second open end; 221, mating groove; 23, buckle structure; 231, buckle member; 2311, first sliding wall; 2312, second sliding wall; 232, fastening member; 2321, protrusion; 24, disassembly button; 25, limiting part; 251, first position part; 252, second position part; 26, first handheld surface; 261, through hole; 27, second handheld surface; 28, chute; 3, power supply device; 31, first end face; 311, positioning hole; 32, second end face; 33, emergency charging port; 331, card slot; 34, protective pad; 341, sealing groove; 342, protective block; 35, conductive contact; 36, magnetic member. Detailed Description

[0040] Embodiments of the present application will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where like or similar reference numerals denote like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary only for explaining the present application and should not be construed as limiting the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts fall within the scope of protection of the present application.

[0041] In the description of the present application, it should be noted that, unless otherwise clearly defined and limited, the terms "mounted", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0042] The technical solutions of some embodiments of the present utility model will be described below with reference to the accompanying drawings.

[0043] A catheter assembly for delivering a heart valve provided by an embodiment of the present application will be further explained below with reference to the accompanying drawings.

[0044] Please refer to Figure 1 , which is a schematic structural diagram of a catheter assembly for delivering a heart valve provided by an embodiment of the present utility model. Combining Figures 2 to 9 , specifically, a catheter assembly for delivering a heart valve includes: a housing 1, in which a driving member is provided; a hand-held part 2, the hand-held part 2 is connected to the housing 1; a receiving cavity for receiving a target object is provided in the hand-held part 2; a buckle structure 23 is provided at the end of the hand-held part 2 away from the housing 1; a power supply device 3, the power supply device 3 is provided in the hand-held part 2 and is connected to the driving member; wherein, the connection between the power supply device 3 and the hand-held part 2 is detachable; when the buckle structure 23 moves in a direction away from the housing 1, the power supply device 3 disengages from the hand-held part 2; when the power supply device 3 is placed in the hand-held part 2, moving the buckle structure 23 in the direction of the housing 1 can fix the power supply device 3 in the hand-held part 2.

[0045] As Figure 3 shown, wherein, the hand-held part 2 includes a first hand-held surface 26 and a second hand-held surface 27 arranged oppositely; wherein, both the first hand-held surface 26 and the second hand-held surface 27 are provided with sliding grooves 28 cooperating with the buckle structure 23.

[0046] Furthermore, the hand-held part 2 further includes a first open end 21 and a second open end 22 arranged oppositely; the first open end 21 is connected to the housing 1; a mating groove 221 is provided at the bottom of the second open end 22.

[0047] As Figure 8 shown, wherein, the buckle structure 23 includes: a buckle member 231 and a fastening member 232; the buckle structure 23 is provided at the second opening end 22; wherein, the fastening member 232 is provided with a protrusion 2321 that cooperates with the mating groove 221, and the buckle member 231 and the fastening member 232 are rotatably connected.

[0048] Furthermore, the buckle member 231 includes a first sliding wall 2311 and a second sliding wall 2312 that are oppositely arranged; wherein, the first sliding wall 2311 and the second sliding wall 2312 are provided with sliders that cooperate with the sliding groove 28.

[0049] Furthermore, the handheld part 2 further includes a disassembly button 24, and the disassembly button 24 cooperates with the through hole 261 provided on the first handheld surface 26.

[0050] Furthermore, the handheld part 2 further includes a limiting part 25; the limiting part 25 is respectively provided on the first handheld surface 26 and the second handheld surface 27, and away from the housing 1; wherein, the limiting part 25 includes a first position part 251 and a second position part 252.

[0051] Preferably, the shape of the holding part 2 should conform to ergonomics to facilitate long-term use by the operator.

[0052] Specifically, when it is necessary to replace the power supply device 3 installed in the handheld part 2, through the buckle structure 23 provided at the second opening end 22 of the handheld part 2, wherein, the buckle structure 23 includes a buckle member 231, slide the first sliding wall 2311 and the second sliding wall 2312 that are oppositely arranged in the buckle member 231 along the sliding grooves 28 on the first handheld surface 26 and the second handheld surface 27 that are oppositely arranged on the handheld part 2, in a direction away from the housing 1. Wherein, the sliders provided at the first sliding wall 2311 and the second sliding wall 2312 slide along the set sliding grooves 28 from the first position part 251 of the handheld part 2 to the second position part 252; at this time, the buckle structure 23 provided at the second opening end 22 of the handheld part 2 is separated from the second opening end 22 of the handheld part 2; by pressing the disassembly button 24, the cooperation between the power supply device 3 and the disassembly button 24 is released; the power supply device 3 slides out from the first opening end 21 direction away from the housing 1.

[0053] On the contrary, when it is necessary to install the power supply device 3 in the handheld part 2, through the buckle structure 23 provided at the second opening end 22 of the handheld part 2, slide the first sliding wall 2311 and the second sliding wall 2312 of the buckle member 231 along the set sliding grooves 28; wherein, the sliders provided at the first sliding wall 2311 and the second sliding wall 2312 slide from the first position part 251 to the second position part 252, and are clamped with the second position part 252 to prevent the buckle structure 23 from detaching from the handheld part 2.

[0054] At this time, the second opening end 22 of the handheld part 2 is exposed, and the power supply device 3 is installed into the handheld part 2 from the second opening end 22 of the handheld part 2; the power supply device 3 cooperates with the disassembly button 24 arranged on the first handheld surface 26 of the handheld part 2, and by pressing the disassembly button 24, the power supply device 3 is fixed in the handheld part 2. The sliders in the first sliding wall 2311 and the second sliding wall 2312 of the buckle member 231 move from the second position part 252 along the provided chute 28 to the first position part 251 and cooperate with the first position part 251; wherein, a protrusion 2321 is provided on the fastening member 232 in the buckle structure 23, and the protrusion 2321 forms a cooperation with the mating groove 221 arranged at the second opening end 22 of the handheld part 2, further fixing the power supply device 3 installed in the handheld part 2. The cooperation between the fastening member 232 and the mating groove 221 at the second opening end 22 can further ensure the tightness inside the handheld part 2 and prevent the power supply device 3 from being interfered by external dust or impurities.

[0055] Among them, the power supply device 3 includes a first end face 31 and a second end face 32 arranged opposite to each other; the first end face 31 is connected to the housing 1; the second end face 32 is arranged away from the housing 1. An emergency charging port 33 is provided on the second end face 32; the emergency charging port 33 is provided with a card slot 331 structure matching the power supply device 3. The emergency charging port 33 further includes: a protective pad 34, and the protective pad 34 is provided with a sealing groove 341 matching the emergency charging port 33; a positioning hole 311 matching the disassembly button 24 is provided near the first end face 31.

[0056] As Figure 9 shown, among them, the protective pad 34 is further provided with a protective block 342 matching the emergency charging port 33, and the protective block 342 is in direct contact with the emergency charging port 33.

[0057] Among them, the power supply device 3 is provided with two conductive contacts 35, and the driving member is provided with a contact head matching the conductive contacts 35, whereby the power supply device 3 supplies power to the driving member through the cooperation of the conductive contacts 35 and the contact head.

[0058] Furthermore, to ensure the stable connection between the conductive contacts 35 of the power supply device 3 and the driving member, a magnetic member can be provided at the first end face 31 of the power supply device 3, and a magnetic member with the opposite polarity is provided at the corresponding position inside the housing 1. In a specific example, a magnetic member 36 higher than the conductive contacts 35 is provided at the first end face 31 of the power supply device 3, and a second magnetic member with the opposite polarity to the magnetic member 36 is provided at the corresponding position inside the housing 1; when placing the power supply device 3, the second magnetic member with the opposite polarity to the magnetic member 36 contacts and attracts first with either one of the conductive contacts or the contact head of the driving member, which can further ensure the connection between the power supply device 3 and the driving member.

[0059] Among them, the emergency charging port 33 provided on the second end face 32 can further ensure the power supply problem of the catheter assembly 100 during use. In a specific example, when the catheter assembly 100 is working, the working process cannot be interrupted, which may lead to the inability to replace the power supply device 3 with a backup power supply device. At this time, the buckle 231 is moved from the first position portion 251 to the second position portion 252, the engaging member 232 is disengaged from the mating groove 221 of the second open end 22, and further the protective pad 34 provided in the emergency charging port 33 is removed. The prepared backup power supply device is mated with the second end face 32 of the power supply device 3 to connect the two in series to further ensure the power problem of the power supply device 3. And the emergency charging port 33 can also be connected to an external power supply to provide a stable power supply.

[0060] Preferably, the emergency charging port 33 can be designed to conform to a general or standard charging interface, such as a built-in USB port or a Type-C port, so that it can be charged using various general power supply models to increase the applicability of the device in different environments. And the built-in port design can further reduce the entry of dust or other impurities into the emergency charging port 33.

[0061] Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be subject to the scope defined by the claims.

Claims

1. A catheter assembly for delivering a heart valve, characterized in that: include: A housing (1), wherein a driving member is provided in the housing (1); A handheld portion (2), the handheld portion (2) being connected to the housing (1); a receiving cavity for receiving a target object is provided in the handheld portion (2); and a buckle structure (23) is provided at an end of the handheld portion (2) away from the housing (1); a power supply device (3), the power supply device (3) being arranged in the handheld portion (2) and connected to the driving member; the power supply device (3) and the handheld portion (2) being detachably connected; When the buckle structure (23) moves in a direction away from the housing (1), the power supply device (3) is detached from the handheld portion (2); when the power supply device (3) is placed in the handheld portion (2), the buckle structure (23) is moved in the direction of the housing (1), so that the power supply device (3) can be fixed in the handheld portion (2).

2. The catheter assembly according to claim 1, characterized in that The handheld portion (2) comprises a first handheld surface (26) and a second handheld surface (27) which are arranged opposite to each other; Wherein, the first hand-holding surface (26) and the second hand-holding surface (27) are both provided with a sliding groove (28) that cooperates with the buckle structure (23).

3. The catheter assembly according to claim 2, characterized in that The handheld portion (2) comprises a first opening end (21) and a second opening end (22) which are arranged opposite to each other; the first opening end (21) is connected to the housing (1); and a matching groove (221) is provided at the bottom of the second opening end (22); Wherein, the power supply device (3) is installed in the handheld part (2) through the second opening end (22).

4. The catheter assembly according to claim 1, characterized in that: The buckle structure (23) comprises: a buckle part (231) and a fastening part (232); the buckle structure (23) is arranged at the second opening end (22); Wherein, the buckling piece (232) is provided with a protrusion (2321) that cooperates with the matching groove (221).

5. The catheter assembly according to claim 4, characterized in that The buckle comprises a first sliding wall (2311) and a second sliding wall (2312) which are arranged opposite to each other; Wherein, the first sliding wall (2311) and the second sliding wall (2312) are provided with sliding blocks that cooperate with the sliding groove (28).

6. The catheter assembly according to claim 2, characterized in that: The handheld portion (2) further comprises a disassembly button (24); Wherein, the first hand-holding surface (26) is provided with a through hole (261) that cooperates with the disassembly button (24).

7. The catheter assembly according to claim 2, characterized in that: The hand-held portion (2) further comprises a limiting portion (25); the limiting portion (25) is respectively arranged on the first hand-held surface (26) and the second hand-held surface (27), and is away from the housing (1); Wherein, the limiting portion (25) comprises a first position portion (251) and a second position portion (252).

8. The catheter assembly according to claim 1, characterized in that The power supply device (3) comprises a first end surface (31) and a second end surface (32) which are arranged opposite to each other; the first end surface (31) is connected to the housing (1); Wherein, a conductive contact (35) cooperating with the driving member is provided on the first end surface (31).

9. The catheter assembly according to claim 8, characterized in that The second end surface (32) is provided with an emergency charging port (33); the emergency charging port (33) is provided with a card slot (331) structure matching the power supply device (3).

10. The catheter assembly according to claim 9, characterized in that The emergency charging port (33) further comprises a protective pad (34), wherein the protective pad (34) is provided with a sealing groove (341) and a protective block (342) that cooperate with the emergency charging port (33).

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