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Automated Needle Hub Separation System

Abstract: Automated needle hub separation system Abstract: The present invention is a hub reaches the softening temperature, the polypropylene material loses mechanical strength, reducing the bonding force between the hub and the stainless-steel needle. The needle separates naturally under gravitational force and drops into a puncture-proof metal collection tray, while the softened plastic hub falls into a separate heat-resistant tray. The system incorporates thermal insulation and safety shielding to reduce heat loss, maintain temperature stability, and ensure operator safety.

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Patent Information

Application #
Filing Date
14 March 2026
Publication Number
13/2026
Publication Type
INA
Invention Field
BIO-MEDICAL ENGINEERING
Status
Email
Parent Application

Applicants

D. Balaji
Assistant Professor, Department of Mechanical Engineering, KPR Institute of Engineering and Technology, Coimbatore
Dr. L. Rajeshkumar
Professor, Department of Mechanical Engineering, Alliance University, Chikkahagade Cross, Chandapura-Anekal Main Road, Anekal, Bengaluru
Mr. Harikrishna M M
Department of Mechanical Engineering, KPR Institute of Engineering and Technology, Coimbatore
Mr. Kathiravan M
Department of Mechanical Engineering, KPR Institute of Engineering and Technology, Coimbatore
Mr. Nandha J
Department of Mechatronics Engineering, KPR Institute of Engineering and Technology, Coimbatore

Inventors

1. D. Balaji
Assistant Professor, Department of Mechanical Engineering, KPR Institute of Engineering and Technology, Coimbatore
2. Dr. L. Rajeshkumar
Professor, Department of Mechanical Engineering, Alliance University, Chikkahagade Cross, Chandapura-Anekal Main Road, Anekal, Bengaluru
3. Mr. Harikrishna M M
Department of Mechanical Engineering, KPR Institute of Engineering and Technology, Coimbatore
4. Mr. Kathiravan M
Department of Mechanical Engineering, KPR Institute of Engineering and Technology, Coimbatore
5. Mr. Nandha J
Department of Mechatronics Engineering, KPR Institute of Engineering and Technology, Coimbatore

Specification

Description:Title of the invention:
Automated needle hub separation system

Field of the invention:
The present invention relates to the field of needle hub separator and particularly relates to an automated needle hub separation system.

Prior art to the invention:
A patent document with application number “IN202311020865”, titled “A smart agricultural system using IoT”, describes, “The invention relates to a smart agricultural system using IOT. The objective of this project is to offer assistance to farmers in getting Live Data (Temperature, Humidity, Soil Moisture, and Soil Temperature) for efficient environment monitoring which will enable them to increase their overall yield and quality of products. This smart agriculture using IoT system powered by NodeMCU consists of a DHT11 sensor, Moisture sensor, DS18B20 Sensor Probe, LDR, Water Pump, and 12V led strip. When the IoT-based agriculture monitoring system starts, it checks the Soil moisture, temperature, humidity, and soil temperature. It then sends this data to the IoT cloud for live monitoring. If the soil moisture goes below a certain level, it automatically starts the water pump”.

wherein, the present invention is an automated needle hub separation system.

Objects of the invention:
The primary object of the present invention is an automated needle hub separation system.

Summary of the invention:
It is an aspects of the present disclosure, an automated needle hub separation system.

Detailed description:
The following specification particularly describes the invention and the manner in which it is to be performed.

The present invention discloses about an automated needle hub separation system. The system operates based on the thermal softening behavior of thermoplastic materials, specifically polypropylene used in syringe hubs. A cartridge heater is inserted into a machined metal heating block, which acts as the primary heat source and provides localized, controlled heating. The metal block serves as a thermal conduction medium, ensuring uniform heat transfer to the syringe hub region for effective softening. A K-type thermocouple is positioned close to the heating zone to provide accurate temperature sensing. Temperature is regulated using a dial thermostat temperature controller, which maintains the operating range of 180–220 °C and provides automatic cut-off once the preset temperature is reached, preventing overheating. A stainless-steel syringe holding fixture is designed to precisely align the syringe hub with the heating surface, ensuring efficient heat transfer. , Claims:Claims:

1) We claim,
An automated needle hub separation system, comprising of; a hub reaches the softening temperature, the polypropylene material loses mechanical strength, reducing the bonding force between the hub and the stainless-steel needle;
wherein, the needle separates naturally under gravitational force and drops into a puncture-proof metal collection tray, while the softened plastic hub falls into a separate heat-resistant tray; and
wherein, the system incorporates thermal insulation and safety shielding to reduce heat loss, maintain temperature stability, and ensure operator safety.

Documents

Application Documents

# Name Date
1 202641030750-STATEMENT OF UNDERTAKING (FORM 3) [14-03-2026(online)].pdf 2026-03-14
2 202641030750-FORM-9 [14-03-2026(online)].pdf 2026-03-14
3 202641030750-FORM 1 [14-03-2026(online)].pdf 2026-03-14
4 202641030750-DECLARATION OF INVENTORSHIP (FORM 5) [14-03-2026(online)].pdf 2026-03-14
5 202641030750-COMPLETE SPECIFICATION [14-03-2026(online)].pdf 2026-03-14
6 202641030750-PATENT_APPLICATION_PUBLICATION.pdf 2026-04-06