External drop-shaped net basket forming tool and forming method of drop-shaped self-expanding basket
A technology of forming tooling and teardrop shape, applied in medical science, surgery, etc., can solve problems such as deformation and difficult to guarantee shape accuracy.
Active Publication Date: 2020-12-15
佛山市迪华科技有限公司
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Problems solved by technology
The shape of the basket wire is often deformed during heat treatment, and the shape accuracy is difficult to guarantee
Method used
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[0029] The concept, specific structure and technical effects of the present invention will be clearly and completely described below with reference to the embodiments and accompanying drawings, so as to fully understand the purpose, characteristics and effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts are all within the scope of The scope of protection of the present invention. In addition, all connections or connection relationships mentioned in the text do not mean that the components are directly connected, but refer to a better connection structure by adding or reducing connection accessories according to specific implementation conditions. Various technical features in the present invention can be combined interactively on the pre...
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The invention discloses a forming tool of an external lap joint type drop-shaped mesh basket and relates to the technical field of mesh basket formation. The forming tool of the external lap joint type drop-shaped mesh basket comprises a base plate and a metal head clamping assembly arranged on the base plate. The metal head clamping assembly comprises a metal head clamping opening capable of being opened and closed, a wire clamping assembly which is arranged on the side of the metal head clamping assembly and comprises mesh basket wire lamping opening capable of being opened and closed and ashaping block located between the metal head clamping assembly and the wire clamping assembly, wherein the outer side face of the shaping block is provided with a plurality of wire grooves which are arranged from left to right in an annular array. The shaping block is arranged, the outer side of the shaping block is provided with the wire grooves, after the mesh basket wires are in external lap joint on the wire grooves and tightened by a tightening assembly, the whole die and the mesh basket wires are heated together, and therefore the shape precision of the heated mesh basket wires can be well guaranteed. The invention further provides a forming method of the drop-shaped self-spreading type mesh basket.
Description
technical field [0001] The invention relates to the technical field of forming a mesh basket, in particular to an outside drop-shaped mesh basket forming tool. Background technique [0002] Due to the large twist of the network cable and the complex force, the shape accuracy of the drop-shaped mesh basket is generally difficult to be guaranteed, and it is difficult to meet the use requirements in some specific occasions, such as the stone-removing mesh basket used for ERCP. The teardrop-shaped basket is a commonly used type of stone baskets, and has the advantage of being integrated. The two ends of the basket wire of the drop-shaped stone-removing basket are fixed in bundles, and the middle is unfolded in a wave crest shape. Most of the existing drop-shaped stone-receiving mesh baskets are formed by bending the mesh basket wires into a wave shape, and then they are formed by end caps or direct welding. . The shape of the basket wire is often deformed during heat treatmen...
Claims
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IPC IPC(8): A61B17/221
Inventor 黄瑞龙李柏耀
Owner 佛山市迪华科技有限公司