摘要:
The present invention relates to a method and device for needleless injection of a liquid substance in the skin or other target tissue of a patient, in which droplets of the liquid substance are produced, and the droplets of liquid substance are directed toward the surface of the patient's skin or other target tissue at a velocity sufficiently high to inject the droplets of liquid substance in the patient's skin or other target tissue. According to an illustrative embodiment, the droplets of the liquid substance are accelerated toward the surface of the patient's skin or other target tissue in order to inject the accelerated droplets of liquid substance in the patient's skin or other target tissue. According to another illustrative embodiment, a high velocity jet of gas is produced, droplets of the liquid substance are produced and supplied in the high velocity jet of gas, the droplets of liquid substance are conveyed within the high velocity jet of gas, and the high velocity jet of gas is guided toward the surface of the patient's skin or other target tissue in order to inject the conveyed droplets of liquid substance in the patient's skin or other target tissue.
摘要:
A bone cement delivery device (16,16a,16b,16c,16d,16e,16f) including a syringe body (58), a plunger (60), and a driving system (62) connected to the plunger (60) and sliding the plunger (60) within the syringe body (58) in a displacement-controlled and continuous manner to produce a steady flow of bone cement out of the syringe body (58). Also, a bone cement delivery device (16,16a,16b,16c,16d,16e,16f) including at least one sensor (18,18a,18b,18c,18d, 18e) for measuring a physical parameter of the bone cement within the body (58), the at least one parameter being indicative of a viscosity of the bone cement, and a display unit (22) receiving data from the sensor (18,18a,18b,18c,18d,18e) and displaying at least one of the physical parameter and the viscosity of the bone cement. Improved medical cannulae (12,12a,12b), an improved control system (102) for a bone cement delivery device (16,16a,16b,16c,16d,16e,16f), an improved cement delivery system (10) and related methods are also described.
摘要:
An apparatus for reducing a selected tonal noise generated by an axial flow fan (12) operating in a non-uniform flow by locating at least one obstruction (2) in the non-uniform flow such that the at least one obstruction (2) generates a noise that is out of phase with the selected tonal noise. The noise generated by the at least one obstruction (2) interferes with the selected tonal noise, thus reducing the selected tonal noise. It is also contemplated to use additional obstructions to reduce other tonal noises generated by the axial flow fan (12).
摘要:
A device and method detect a feature of a fluid or a target element in the fluid by contacting the fluid to a sensing surface on a substrate. A mechanical wave comprising shear-vertical wave components is propagated through the substrate to mix the fluid, conduct desorption of at least one non-target element from the sensing surface, and/or impede adsorption of the non-target element to the sensing surface. The feature of the fluid or the target element in the fluid is then detected on the sensing surface, wherein the detection is accelerated by the above-mentioned mixing of the fluid, desorption of at least one non-target element from the sensing surface, and/or impeding of the adsorption of the non-target element to the sensing surface.
摘要:
A system for monitoring a cement that undergoes polymerization during curing such as most bone and dental cements by passing an electrical signal through the cement to determine the swelling phase, the initiation of polymerization of the cement and the effective working phase. The system further can control the swelling phase to reduce the time from the mixing of the cement to the initiation of the polymerization by using a ultrasonic signal or by heating the cement and can control the effective working phase after the polymerization has been initiated in order to prolong the working phase by cooling the cement.
摘要:
There is described a method for enabling session mobility in a multi-participant IP-based multi-media communication network in full-mesh conference model, the method comprising: mapping a full-mesh communication protocol to a Session Initiation Protocol (SIP); defining an extended message protocol including new message mechanisms to support session mobility options; mapping the extended message protocol to the Session Initiation Protocol; and adding headers to mapped messages from the extended message protocol and from the full-mesh communication protocol to comply with full-mesh message signalization protocol mechanisms.
摘要:
An apparatus for reducing a selected tonal noise generated by an axial flow fan (12) operating in a non-uniform flow by locating at least one obstruction (2) in the non-uniform flow such that the at least one obstruction (2) generates a noise that is out of phase with the selected tonal noise. The noise generated by the at least one obstruction (2) interferes with the selected tonal noise, thus reducing the selected tonal noise. It is also contemplated to use additional obstructions to reduce other tonal noises generated by the axial flow fan (12).