Abstract

A system for cutting medical tubing sourced from a spool of tubing uses two actuator groups that each reciprocate along a respective track, which are parallel to each other. Each actuator group has a clamp and a cutting tool which have an operative position along a common axis. The tubing is fed along the common axis to be operated on by the actuator groups. A forward actuator group clamps onto the tubing and is then moved along its track, pulling the tubing. A rearward actuator group then clamps onto the tubing and cuts the tubing. While still clamped onto the tubing, the rearward actuator group is moved forward, pulling more tubing, and the actuator group that was forward is moved to the rearward position and the process is repeated iteratively to produce tubing sections cut to the desired length. The tubing is pressurized and kept under pressure to straighten the tubing.

IPC Classes  ?

• B26D 3/16 - Cutting rods or tubes transversely
• B26D 7/02 - Means for holding or positioning work with clamping means
• B65H 49/00 - Unwinding or paying-out filamentary materialSupporting, storing, or transporting packages from which filamentary material is to be withdrawn or paid-out
• B26D 5/08 - Means for actuating the cutting member to effect the cut
• B26D 7/01 - Means for holding or positioning work

Abstract

An anti-clogging catheter includes a tubular cannula defining a fluid passageway and shaped and tipped to removably insert within and be removed from a human body, where the cannula has a proximal end with a first interior surface defining a first interior diameter and a distal end with a second interior surface defining a second interior diameter that is smaller than the first interior diameter. A stylet is movable within the fluid passageway between the proximal end and the distal end and has an outer diameter substantially equal to the second interior diameter.

IPC Classes  ?

• A61M 5/178 - Syringes
• A61M 25/00 - CathetersHollow probes
• A61M 5/32 - NeedlesDetails of needles pertaining to their connection with syringe or hubAccessories for bringing the needle into, or holding the needle on, the bodyDevices for protection of needles