摘要:
Die vorliegende Erfindung bezieht sich auf eine Mischvorrichtung zum Mischen von zumindest zwei Stoffen, vorzugsweise flüssiger Monomer und pulverförmiger Polymer, zum Herstellen von Knochenzement, wobei die zwei Stoffe (16, 17) in einem Mischraum (9) in einem Mischbehälter (1), vorzugsweise unter partiellem Vakuum, gemischt werden, und wobei beide Stoffe (16, 17) voneinander getrennt in je einem Behälter (1 bzw. 18) angeordnet sind. In dieser Mischvorrichtung ist ein Mischorgan (6) in dem Mischraum (9) angeordnet, um die beiden Stoffe (16, 17) im Mischraum (9) zu mischen, wobei ein Öffner (26), der vorzugsweise von dem Mischorgan (6) gebildet wird, vorgesehen ist, um zumindest eine Verbindung (27) zwischen den getrennt angeordneten Stoffen (16, 17) herzustellen und diese miteinander in Kontakt zu bringen und mischen zu können und wobei während des Öffnens der Verbindung (27) zwischen den Stoffen (16, 17) im Mischraum (9) Vakuum herrscht um den einen Stoff (16), vorzugsweise flüssiger Monomer, durch die Verbindung (27) zu den anderen Stoff (17), vorzugsweise pulverförmiger Polymer, zu saugen.
摘要:
The present invention relates to a device for producing bone cement for fixing protheses, whereby the bone cement is produced by mixing various substances with each other in a space (22) of a feed device (20) to provide a setting mass which in set condition is adapted to fix protheses at surrounding bone tissue and whereby the mixture (19) is pressed out from the space (22) by means of the feed device (20) for applying the mixture to the bone tissue. In order to produce non-porous bone cement in one device and to insert this bone cement produced by the same device into the bone tissue, a vacuum source (17) is connectable to said feed device (20) and this vacuum source (17) is adapted to generate such a vacuum, preferably a vacuum of 0,05-0,5 bar absolute pressure, in said feed device (20) during mixing of said various substances therein, that introduction or addition of air into said mixture (19) is minimized.
摘要:
This invention relates to a saw-blade for sawing living human bone at surgical operations, said saw-blade (1) presenting on at least one side (10) at least two saw portions (8, 9) and said saw-blade (1) having at least one inner space (14) through which coolant (18) is adapted to flow for cooling the saw-blade (1) during sawing. For efficient direct cooling of the saw portions (8, 9) and continuous cleaning thereof during sawing, the space (14) extends up to the two saw portions (8, 9) and is open between them in order, on one hand, to conduct coolant (18) to the saw portions (8, 9) for cooling them, and, on the other hand, to cause coolant (18) to emerge between the saw portions (8, 9) for carrying off bone residues or other saw residues in a direction away from the saw portions (8, 9).
摘要:
The present invention relates to a method for producing bone cement for fixing protheses, whereby the bone cement is manufactured by mixing various substances with each other to provide a setting mass which in set condition is adapted to fix protheses at surrounding bone tissue. in order to prevent large amounts of air from being stirred into the mixture, mixing of said various substances occurs under vacuum. The invention also relates to a device for carrying out the method for producing bone cement for fixing protheses, whereby the bone cement is manufactured by mixing various substances with each other to provide a setting mass which in set condition is adapted to fix protheses at surrounding bone tissue, and whereby the mixture is applied to the bone tissue by means of a feed device (20) from which the mixture (19) may be pressed out. In order to avoid transfer of the mixture from a special mixing container to the feed device, the present device comprises an agitator (8) which is connectable to the feed device (20) and a vacuum source (17) which is connectable to the feed device for mixing said substances in said feed device under vacuum.
摘要:
A method and a device for scalding a pig. A warm, humid airflow is directed against the carcass from below or from the sides thereof. The air is circulated by a circulation fan (9) through an inlet channel (4) against the pig body (2) to an outlet channel (5) and then to a conditioning channel (6), in which the air is heated and humidified. Sensors (13, 14) control a heating element (7) and a humidifier (8) so that the inlet air has a temperature of about 62°C and a relative humidity exceeding about 80%. The moisture is condensated against the carcass and heats is rapidly. The device is. constructed of light sandwich-elements.
摘要:
The present invention relates to a method for producing bone cement for fixing protheses, whereby the bone cement is manufactured by mixing various substances with each other to provide a setting mass which in set condition is adapted to fix protheses at surrounding bone tissue. in order to prevent large amounts of air from being stirred into the mixture, mixing of said various substances occurs under vacuum. The invention also relates to a device for carrying out the method for producing bone cement for fixing protheses, whereby the bone cement is manufactured by mixing various substances with each other to provide a setting mass which in set condition is adapted to fix protheses at surrounding bone tissue, and whereby the mixture is applied to the bone tissue by means of a feed device (20) from which the mixture (19) may be pressed out. In order to avoid transfer of the mixture from a special mixing container to the feed device, the present device comprises an agitator (8) which is connectable to the feed device (20) and a vacuum source (17) which is connectable to the feed device for mixing said substances in said feed device under vacuum.
摘要:
Cette invention concerne une scie-lame permettant de scier l'os humain vivant lors d'opérations chirurgicales. Ladite lame-scie (1) présente sur au moins un côté (10) au moins deux parties de scie (8, 9), ladite lame-scie (1) comportant au moins un espcace intérieur (14) à travers lequel un liquide de refroidissement (18) est adapté pour s'écouler et refroidir la lame-scie (1) pendant le sciage. Pour permettre un refroidissement efficace direct des parties de scie (8, 9) et leur nettoyage continu pendant le sciage l'espace (14) s'étend jusqu'aux deux parties de scie (8, 9) et est ouvert entre elles afin d'une part de conduire le liquide de refroidissement (18) jusqu'aux parties de scie (8, 9) pour les refroidir, et d'autre part de faire émerger ledit liquide de refroidissement (18) entre les parties de scie (8, 9) afin d'entraîner les résidus osseux ou les autres résidus se trouvant sur la scie, à l'opposé des parties de scie (8, 9).
摘要:
A method and a device for scalding a pig. A warm, humid airflow is directed against the carcass from below or from the sides thereof. The air is circulated by a circulation fan (9) through an inlet channel (4) against the pig body (2) to an outlet channel (5) and then to a conditioning channel (6), in which the air is heated and humidified. Sensors (13, 14) control a heating element (7) and a humidifier (8) so that the inlet air has a temperature of about 62°C and a relative humidity exceeding about 80%. The moisture is condensated against the carcass and heats is rapidly. The device is. constructed of light sandwich-elements.