摘要:
A gastrostomy feeding tube including a main, flexible cylindrical body with a proximal end adapted for receiving conventional medical apparatus and a distal end having a locking mechanism. A locking ring is slidably and frictionally attached to the main body of the tube. The locking mechanism includes hinged legs and a membrane surrounding the mechanism, which is attached in a sealed fashion to the tube and to a distal end of the locking mechanism. Other embodiments of the locking mechanism include teeth or detents. Locking knobs are provided within the distal end. A long, rigid insertion tool having grooves for receiving the locking knobs is utilized, and is inserted through a bore through the tube until the locking knobs pass into the grooves. A needle is inserted in a conventional fashion into a patient's stomach, and a guide wire is passed therethrough, and the needle is then removed. The tube and insertion tool are passed over the guide wire, and the insertion tool is then pulled back slightly to pull the hinged legs of the locking mechanism into an expanded configuration, which is maintained by its membrane. The insertion tool is removed, and the tube is held in place by clamping of the patient's skin and stomach between the locking ring and the locking mechanism, respectively. In an alternative embodiment, a locking button is firmly attached to the gastrostomy catheter, and a one-way valve is provided to prevent backflow of gastric juices or the like from the patient's stomach. In both embodiments, a plug is provided for sealing the distal end of the tube.
摘要:
A ferrule for use as a medical device which maker mechanical connection with external connector tubes provided; the ferrule comprises an inner wall defining a conduit extending between an inlet opening and an outlet opening; a first taper lock surface is defined by a first region of the inner wall for forming a taper lock with a first connector portion having first dimensions; and a second taper lock surface is defined by a second region of the inner wall for forming a taper lock with a second connector portion having second dimensions.
摘要:
A ferrule is provided which comprises an inner wall defining a conduit extending between an inlet opening and an outlet opening; a first taper lock surface is defined by a first region of the inner wall for forming a taper lock with a first connector portion having first dimensions; and a second taper lock surface is defined by a second region of the inner wall for forming a taper lock with a second connector portion having second dimensions.
摘要:
A ferrule for use as a medical device which makes mechanical connection with external connector tubes is provided; the ferrule comprises an inner wall defining a conduit extending between an inlet opening and an outlet opening; a first taper lock surface is defined by a first region of the inner wall for forming a taper lock with a first connector portion having first dimensions; and a second taper lock surface is defined by a second region of the inner wall for forming a taper lock with a second connector portion having second dimensions.
摘要:
A handpiece apparatus and/or method for dispensing media, and that can include one or more lights for illumination and/or for curing of composite materials. The handpiece apparatus includes a heat source with a flow diverter to enhance heat transfer to the media, and a temperature controller that synchronizes the heat source with the fluid and/or gaseous flow. The handpiece apparatus has an accumulator chamber that temporarily removes transient flow that has not reached a predetermined temperature and then gradually recirculates it back into the media flow after the media reaches a predetermined temperature so that the media is dispensed at an elevated and uniform temperature. The handpiece apparatus can have one or more light sources for illumination and/or for curing composite materials. The handpiece apparatus dispensing nozzle acts as a light pipe to direct and focus illumination from an internal light source onto the work area.
摘要:
Automatic dispensing apparatus for accurately dispensing preselected amounts of material. The apparatus includes a paddle wheel assembly having multiple compartments for holding selected amounts of material to be dispensed. The apparatus further includes an agitator assembly to break down the material, and a flexible skimmer element for removing excess material from the compartments before dispensing to ensure precise measurements. The paddle wheel assembly and the agitator assembly are driven by a linear actuator. A shutter shields the dispensing mechanism and the material from external elements. The shutter is automatically activated to open and tightly close in sequence with the dispensing cycle. The apparatus further includes a programmable microprocessor for controlling and monitoring the dispensing cycle.
摘要:
An assembly of a wire inserter and lock is provided. The assembly includes a body portion with a bore inlet and outlet aligned with a locking area and an elongate outlet to align the wire as it passes therethrough.A spring loaded locking button is mounted within the body and defines two tear-shaped bores through which the wire passes. In the locked position, the wire is wedged into the narrow ends of the tear-shaped bores, and this provides sufficient force to lock the wire without damage.The body portion may include notched areas around which the wire can be wound, and a hole for capturing the end of the wire to facilitate storage of the wire.
摘要:
An assembly of a wire inserter and lock is provided. The assembly includes a body portion with a bore inlet and outlet aligned with a locking area and an elongate outlet to align the wire as it passes therethrough.A spring loaded locking button is mounted within the body and defines two tear-shaped bores through which the wire passes. In the locked position, the wire is wedged into the narrow ends of the tear-shaped bores, and this provides sufficient force to lock the wire without damage.The body portion may include notched areas around which the wire can be wound, and a hole for capturing the end of the wire to facilitate storage of the wire.