Nipro has filed a patent for a connector that includes a holding component, support component, terminal, and guide component. The holding component holds a guide wire and is capable of being elastically deformed. The guide component can rotate around the guide wire’s axial line. The connector allows for the electrical connection of the guide wire to a conductive wire. GlobalData’s report on Nipro gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Nipro, Wearable drug delivery devices was a key innovation area identified from patents. Nipro's grant share as of September 2023 was 42%. Grant share is based on the ratio of number of grants to total number of patents.

A connector for a guide wire with elastic deformation

Source: United States Patent and Trademark Office (USPTO). Credit: Nipro Corp

A recently filed patent (Publication Number: US20230293031A1) describes a guide wire used in medical procedures. The guide wire consists of a tubular body, a conductive wire inserted into the body, and a connector with an electrode ring and pin. The electrode pin is connected to the conductive wire and extends from the distal end of the connector.

Claim 2 of the patent states that the guide wire can have multiple conductive wires, electrode rings, and electrode pins, all connected in a one-to-one correspondence. These multiple components can be arranged at different positions in the internal space of the connector, both in the axial and circumferential directions.

The guide wire also includes a connection tube that covers the conductive wires and electrode pins, connecting the proximal end of the body to the distal end of the connector. The body of the guide wire has a tapered portion and a small-diameter portion, allowing the connection tube to be movable in the axial direction when externally fitted to the small-diameter portion. The connection tube contains a conductive material and is electrically connected to the body.

Additionally, the guide wire may include an electronic component located in the distal end portion of the body. This component is connected to the conductive wires and outputs an electric signal based on the physical quantity of a fluid.

The patent also describes a method for manufacturing the guide wire. The method involves electrically connecting the conductive wire and electrode pin in the first step, and then connecting the connection tube to the body and connector in the second step while covering the conductive wire and electrode pin. The connection tube can be externally fitted to the body or connector before the electrical connection is made, and then moved in the axial direction during the second step.

Overall, this patent introduces a guide wire design with multiple conductive wires, electrode rings, and electrode pins, providing flexibility in positioning and electrical connections. The inclusion of an electronic component and the ability to move the connection tube enhance the functionality and versatility of the guide wire.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies