Left atrial appendage occluder conveying sheathing canal shaping device

The modular design of the left atrial appendage occluder delivery sheath shaping device solves the problem of existing technologies being unable to adapt to patient anatomical differences, enabling flexible adjustment and personalized treatment, while reducing costs and operational difficulty.

CN224099377UActive Publication Date: 2026-04-10TAIZHOU INST OF BIOMEDICAL & MEDICAL DEVICES SOUTHEAST UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TAIZHOU INST OF BIOMEDICAL & MEDICAL DEVICES SOUTHEAST UNIV
Filing Date
2024-12-13
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing left atrial appendage occluder delivery sheath cannot be flexibly adjusted according to the individual anatomical differences of patients, resulting in an inability to meet the needs of all patients, increasing storage and management costs, and complicating operation.

Method used

The modular design of the left atrial appendage occluder delivery sheath shaping device uses a combination of heating plates and shaping blocks to shape the delivery sheath, including shaping blocks for curved and straight sections. Combined with angle shaping blocks and a limiting mechanism, it allows for flexible adjustment of the angle and shape.

Benefits of technology

It enables personalized treatment plans based on patient needs, reduces the need for multiple sheaths, reduces storage and management costs, simplifies operation, and improves treatment outcomes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a left atrial appendage occluder conveying sheathing canal shaping device which comprises heating plates which are oppositely arranged, a bent section shaping block and a straight section shaping block which are sequentially arranged between the plate faces of the heating plates in the shaping direction of a conveying sheathing canal, and shaping grooves are correspondingly formed in the bent section shaping block and the straight section shaping block. A shaping area of the conveying sheath tube is positioned through the shaping groove, an angle shaping block for shaping and fixing the torsion angle of the end of the conveying sheath tube relative to the straight section is arranged on the straight section shaping block, and the angle shaping block and the straight section shaping block are connected in a rotating fit mode and are rotationally positioned through an arranged angle limiting mechanism. According to the utility model, through the modular design, the shaping part for conveying the sheathing canal is separately and independently designed, a user can flexibly adjust the angle according to the requirements of different patients, and the complex operation of needing various sheathing canals is avoided, so that the left auricle anatomical structure of different patients can be adapted, and the requirements on various sheathing canals are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a left auricle plugging device delivery sheath tube setting device. BACKGROUND

[0002] In the delivery process of the left auricle plugging device, the design and setting of the sheath tube are crucial to the success of the operation. In the prior art, the delivery sheath tube of the left auricle plugging device usually adopts a sheath tube with different bending forms such as single curve, double curve and front curve. These sheath tubes usually have fixed angles and fixed bending forms, but cannot be flexibly adjusted according to individual anatomical differences of patients. In particular, the front curve sheath tube needs different bending angles in different sections in addition to the bending requirement. Such sheath tubes with fixed angles cannot meet the needs of all patients in clinical application. SUMMARY

[0003] Technical purpose: in view of the deficiencies of the existing left auricle plugging device delivery sheath tube, the utility model discloses a left auricle plugging device delivery sheath tube setting device.

[0004] Technical scheme: in order to realize the above technical purpose, the utility model adopts the following technical scheme:

[0005] A left auricle plugging device delivery sheath tube setting device, including the heating plate that sets up oppositely, the bending section setting block and the straight section setting block that set up in turn between the board surface of heating plate along the setting direction of delivery sheath tube, the setting groove is set up on the bending section setting block and straight section setting block correspondingly, the setting area of delivery sheath tube is positioned through setting groove, the angle setting block that the end of delivery sheath tube is relative to the straight section torsion angle is set on the straight section setting block and is set fixedly, the angle setting block is connected with the straight section setting block and is positioned by the angle limiting mechanism set up and rotates.

[0006] Preferably, the rotation center of the angle setting block of the utility model is consistent with the center of the delivery sheath tube positioned through the straight section setting block.

[0007] Preferably, the angle limiting mechanism of the utility model includes the limiting guide rod set up on the straight section setting block and taking the position of delivery sheath tube as the center, the limiting guide rod is set in the angle setting block, the guide groove matched with the limiting guide rod is set in the angle setting block, and the angle setting block rotates relative to the straight section setting block along the direction of the guide groove.

[0008] Preferably, the limiting guide rods of the utility model are evenly distributed along the circumferential direction of the delivery sheath tube, and the end of the limiting guide rod is detachably connected with the straight section setting block.

[0009] Preferably, the angle scale for controlling the rotation angle cooperated with the angle setting block is set on the straight section setting block of the utility model.

[0010] Preferably, the shaping device of the utility model is provided with a holding handle on one side of the bending section shaping block for limiting and fixing the non-shaping area of the delivery sheath tube, and a positioning groove matched with the delivery sheath tube is arranged on the holding handle.

[0011] Beneficial effects: the left auricle plugging device delivery sheath tube shaping device has the following beneficial effects:

[0012] 1. The utility model discloses a modular design, and the shaping parts of the delivery sheath tube are independently designed, and the user can flexibly adjust the angle according to the needs of different patients, avoids the complex operation of needing a plurality of different sheath tubes, can adapt to the left auricle anatomical structure of different patients, reduces the needs of a plurality of sheath tubes, reduces storage and management cost, provides personalized treatment scheme, thereby improving treatment effect and reducing medical resource waste.

[0013] 2. The utility model discloses can directly adjust the shaping shape of the delivery sheath tube by replacing the corresponding shaping block, and the angle shaping block is arranged in the rotatable form, can satisfy different angle needs, thereby reducing the operation difficulty. DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description.

[0015] Fig. 1 It is the overall structure diagram of the utility model shaping device;

[0016] Fig. 2 It is the split structure diagram of the utility model shaping device;

[0017] Fig. 3 It is the angle shaping block and straight section shaping block cooperation schematic view of the utility model;

[0018] Among them, 1-heating plate, 2-delivery sheath tube, 3-bending section shaping block, 4-straight section shaping block, 5-shaping groove, 6-angle shaping block, 7-limiting guide rod, 8-guide groove, 9-angle scale, 10-holding handle, 11-positioning groove. DETAILED DESCRIPTION

[0019] Reference will now be made in detail to the embodiments of the present disclosure, one or more examples of which are set forth herein below. Each embodiment and example provides an explanation of devices, components, and materials of the present disclosure by way of illustration, and not limitation. Instead, the following description provides a convenient illustration for implementing exemplary embodiments of the disclosure. Indeed, a person skilled in the art will readily recognize from the following description that various modifications and adaptations of the embodiments of the present disclosure can be made while remaining within the scope or spirit of the present disclosure.

[0020] As Figs. 1-3 The utility model discloses a left auricle plugging device conveying sheath tube shaping device, including the opposite arrangement of heating plate 1, the bending section shaping block 3 and the straight section shaping block 4 of setting gradually in the shaping direction of conveying sheath tube 2 between the board face of heating plate 1 are set gradually, the straight section shaping block 4 on bending section shaping block 3 and correspondingly set up shaping groove 5, the shaping area of conveying sheath tube 2 is positioned through shaping groove 5, the angle shaping block 6 of conveying sheath tube 2 end relative to straight section torsion angle is set on the straight section shaping block 4 and is shaped fixed, the angle shaping block 6 is connected with the rotation of straight section shaping block 4 and is positioned through the rotation of the angle limiting mechanism of setting. Conveying sheath tube is positioned after through each shaping block, can use heating plate and heat, make conveying sheath tube produce plastic deformation, after cooling, can be shaped, obtain the conveying sheath tube of required. The shaping device is set on the one side of bending section shaping block 3 and is used for the non-shaping area of conveying sheath tube and is fixed with the holding handle 10 of limiting, sets up the positioning groove 11 of matching with conveying sheath tube on holding handle 10, and the end of holding handle 10 is fixed with bending section shaping block 3 through screw. After heating, the holding handle of end located outside heating plate is used to move the whole of conveying sheath tube and each shaping block, and avoid the separation of conveying sheath tube and corresponding shaping block;Can satisfy the conveying sheath tube shaping processing demand of different bending angle demand through selecting different bending section shaping block 3 and straight section shaping block 4, convenient operation.

[0021] The rotation center of the angle shaping block 6 is consistent with the center of the conveying sheath tube 2 positioned by the straight section shaping block 4, in order to ensure the accuracy of angle adjustment and facilitate personnel operation, the angle limiting mechanism of the utility model comprises a limiting guide rod 7 arranged on the straight section shaping block 4 and taking the position of the conveying sheath tube 2 as the center, the limiting guide rod 7 is arranged in the angle shaping block 6, a guide groove 8 matched with the limiting guide rod 7 is arranged in the angle shaping block 6, and the angle shaping block 6 rotates relative to the straight section shaping block 4 along the direction of the guide groove 8; the limiting guide rod 7 is uniformly distributed along the circumferential direction of the conveying sheath tube 2, the end of the limiting guide rod 7 is detachably connected with the straight section shaping block 4, for example, the threaded structure is matched and connected, so that the disassembly and assembly can be quickly performed, and the end of the limiting guide rod 7 away from the straight section shaping block 4 can be designed as a nut structure, after the angle shaping block 6 is rotated to the position, the position of the angle shaping block 6 is fixed by screwing the limiting guide rod 7, so that the angle of the end of the conveying sheath tube is prevented from being changed in the heating and shaping process, and the processing and shaping quality of the conveying sheath tube 2 is ensured.

[0022] In order to facilitate display and control, as shown in Fig. 3 The straight section shaping block 4 of the utility model is provided with an angle scale 9 matched with the angle shaping block 6 to control the rotation angle, so that the twisted angle can be obtained in time during operation.

[0023] The left auricle plugging device conveying sheath tube shaping device of the utility model is provided with cooling water to quickly cool and shape the heated conveying sheath tube, in use, the conveying sheath tube 2 is clamped into the corresponding shaping groove 5, the groove type of the bottom of the shaping groove is preferably a U-shaped structure, the heating of the conveying sheath tube 2 is ensured to be uniform, after the placement of the conveying sheath tube 2 is completed, the conveying sheath tube and the shaping block are integrally placed between the heating plates, the heating plates are heated, the temperature of the heating plates is 140±5℃, the heating is maintained for 5±0.5 minutes, the state of the heating plates is regularly checked during the heating process, and the temperature stability is ensured. After the heating is completed, the conveying sheath tube and the shaping block are integrally taken out and placed into the cooling water to be cooled, after the cooling and shaping are completed, the conveying sheath tube is separated from the corresponding shaping block, and the conveying sheath tube product is obtained; the heating temperature and the heating time of the conveying sheath tube shaping process can be increased or decreased according to the specific product shaping condition, so that the finally shaped product meets the requirements.

Claims

1. A device for shaping the delivery sheath of a left atrial appendage occlusion device, characterized in that, The device includes a heating plate (1) arranged opposite to each other, a curved section shaping block (3) and a straight section shaping block (4) arranged sequentially between the surfaces of the heating plate (1) along the shaping direction of the conveying sheath (2), shaping grooves (5) are provided on the curved section shaping block (3) and the straight section shaping block (4) respectively, and the shaping area of ​​the conveying sheath (2) is positioned by the shaping grooves (5). An angle shaping block (6) is provided on the straight section shaping block (4) to shape and fix the torsion angle of the end of the conveying sheath (2) relative to the straight section. The angle shaping block (6) and the straight section shaping block (4) are rotatably connected and rotated and positioned by the set angle limiting mechanism.

2. The device for shaping the delivery sheath of a left atrial appendage occlusion device according to claim 1, characterized in that, The rotation center of the angle shaping block (6) coincides with the center of the delivery sheath (2) after being positioned by the straight section shaping block (4).

3. The device for shaping the delivery sheath of a left atrial appendage occlusion device according to claim 1, characterized in that, The angle limiting mechanism includes a limiting guide rod (7) set on the straight section shaping block (4) with the position of the conveying sheath (2) as the center. The limiting guide rod (7) passes through the angle shaping block (6). A guide groove (8) that cooperates with the limiting guide rod (7) is set in the angle shaping block (6). The angle shaping block (6) rotates relative to the straight section shaping block (4) along the direction of the guide groove (8).

4. The left atrial appendage occlusion device delivery sheath shaping device according to claim 3, characterized in that, The limiting guide rod (7) is evenly distributed along the circumference of the conveying sheath (2), and the end of the limiting guide rod (7) is detachably connected to the straight section shaping block (4).

5. A left atrial appendage occlusion device delivery sheath shaping device according to claim 3, characterized in that, The straight section shaping block (4) is provided with an angle scale (9) that works in conjunction with the angle shaping block (6) to control the rotation angle.

6. The device for shaping the delivery sheath of a left atrial appendage occlusion device according to claim 1, characterized in that, The shaping device has a grip handle (10) on one side of the bending section shaping block (3) for limiting and fixing the non-shaped area of ​​the conveying sheath, and a positioning groove (11) matching the conveying sheath is provided on the grip handle (10).