B29L2023/007

MEDICAL COILED TUBING
20220096809 · 2022-03-31 · ·

Disclosed herein are sterilized medical coiled tubing and process for producing the same. One process comprises: helically winding a length of medical tubing along a mandrel such that adjacent turns of the medical tubing are in contact with each other at tubing contact points; applying a UV adhesive to the tubing contact points to produce a medical coiled tubing; curing the tubing by applying UV light to the tubing contact points; and removing the medical tubing from the mandrel after the solvent has dried.

INJECTION-MOLDED HOSE

Disclosed and described is a hose for attachment to a dispensing cartridge for placement in a peristaltic pump, for stretching over a rotor of the peristaltic pump, and for conveying a medium by external mechanical deformation of the hose. The hose has a length of preferably 20 mm to 200 mm, an internal cross-sectional area of 0.07 to 7.07 mm.sup.2, and a wall thickness of 0.3 mm to 2.2 mm. Thickenings are formed at both ends of the hose and the distance between the thickenings is 40 mm to 100 mm. According to the invention, it is provided that the hose is manufactured by an injection molding process, the inner cross-sectional area has a tolerance of at most ±33%, and the hose is suitable for closing completely when stretched over the rotor with a tension force of 1 to 10 N.

Moisture permeable conduit for a breathing circuit
20210316102 · 2021-10-14 · ·

There is provided a flexible, helically wound conduit for a breathing circuit comprising an inlet 1, an outlet 3, and an enclosing wall 2 defining a flow passage between said inlet and said outlet, wherein at least a region of said enclosing wall is permeable to water vapor and one or more of O.sub.2 and CO.sub.2, and wherein the axial tensile strength of the enclosing wall is greater than 40N. Further provided are limbs comprising the conduit, a method of manufacturing the conduit and the use of the conduit to remove water vapor and/or CO.sub.2 from gas exhaled by a patient.

Method And System For Producing Sterile Solution Product Bags

A method for producing sterile solution product bags includes positioning a manifold assembly onto a filling machine. The manifold assembly includes a plurality of bags, a first filter, and a connection line in fluid communication with the first filter. Each of the plurality of bags includes a bladder and a stem in fluid communication with the bladder and with the connection line. The method includes activating a pump and at least partially filling one or more of the bladders by pumping fluid through the feed line, the first filter, and the connection line. The method includes sealing the stem of each of the filled product bags at a location between the connection line and the bladder, thereby creating one or more at least partially filled and sealed product bags. The method includes separating each of the at least partially filled and sealed product bags from the connection line.

Method for conditioning a breathing tube

A method for conditioning a breathing tube for use in lung function diagnostics and a breathing tube made by such a method. This method is characterized by heating at least a section of a fully assembled breathing tube by a heating source to a temperature of at least 40° C., wherein heating is performed during a first time period, the first time period lasting between 0.1 seconds and 5 seconds wherein the section includes at least one window covered by a mesh.

Tube joining device
11103688 · 2021-08-31 · ·

Provided is a tube joining apparatus that allows a user to easily and properly set tubes to be joined, and can prevent occurrence of joining failures due to tube setting errors. A tube joining apparatus 1 includes a housing 10, a lid 22 relatively movable toward and away from the housing, a tube holding part 23 that holds a first tube T1 and a second tube T2 individually in a state of being placed side by side in an oblique direction D1 with respect to a height direction Z of the housing, and a tube pressing part 25 that presses the first tube and the second tube against each other as the lid relatively moves toward the housing.

Flexible endoscope
11064871 · 2021-07-20 ·

An endoscope includes a handle connected to a flexible, steerable, kink-resistant insertion tube. An endoscope insertion tube may include a shaft, a lower durometer section proximate to a distal end of the shaft, and a higher durometer section positioned between the lower durometer section and a medium durometer section. The endoscope insertion tube may further include a fourth thermoplastic laminate section proximate to a proximal end of the shaft and having a higher durometer. A method of making an endoscope insertion tube may include inserting a mandrel with one, two, or more lateral slots and a liner into a shaft, wherein the liner is positioned between the mandrel and the shaft, bonding a bonded portion of the liner to an inner surface of the shaft, separating other portion(s) of the liner from the shaft, and inserting a first deflection wire in a gap between the shaft and the unbonded portion(s) of the liner.

Heated respiratory hose wiring
11839719 · 2023-12-12 · ·

A method of forming a hose includes: extruding a web of plastics material from a first extruder; helically winding the extruded web about a mandrel or at least one rotating rod to form a wall of the hose; feeding an electrical wire into a second extruder; extruding a bead of plastics material around the electrical wire from the second extruder, wherein the first electrical wire is positioned at a first location within a cross-section of the bead that comprises a bonding surface; cooling the bead to cool the plastics material adjacent the first location to prevent migration of the first electrical wire from the first location; re-heating the first bonding surface to cause the plastics material of the bonding surface to become molten; and helically winding the bead onto the hose to put the bonding surface into contact with, and to cause bonding with, the wall of the hose.

STERILE SEALING APPARATUS

Systems and methods are disclosed that include an operation chamber, a plasma generator having at least one plasma head disposed within the operation chamber and in proximity to a profile formed by cutting a piece of tubing, and a mechanical motion module. The plasma generator generates a plasma treatment and applies the plasma treatment via the at least one plasma head to the profile to activate material on an end surface of the profile, within a lumen of the profile, or a combination thereof. Once the material of the profile is activated by the plasma treatment, the mechanical motion module manipulates the profile to close the lumen of the profile to aseptically seal the profile.

MEDICAL SILICA GEL STETHOSCOPE AND THE MANUFACTURING METHOD AND PROCESSING MOLD THEREOF
20210282737 · 2021-09-16 ·

A medical silica gel stethoscope, including a sound conducting pipe, the sound conducting pipe includes a U-section and a straight pipe section, said U-section and straight pipe section are molded integrally, and its manufacturing method thereof. The present invention also relates to a processing mold for said medical silica gel stethoscope. Technical effects of the present invention: 1) the U-section and straight pipe section of medical silica gel stethoscope of the present invention are molded integrally, so the inner wall of the pipe is free of seams, the sound conduction effect is better. The molding of the traditional splicing molded medical silica gel stethoscope requires at least three molds, whereas the one-step molded structure of the medical silica gel stethoscope of the present invention is easier for processing.