摘要:
The invention provides tongs (10) for grasping items that may be releasably locked in a closed position by a rotating locking mechanism (22). In accordance with the invention, the tongs comprise a pair of elongate members (14, 16) joined at a hinge point (17) for pivotal movement between an open position and a closed position for gripping items. A locking mechanism is disposed for rotation about a longitudinal axis extending between the elongate members and configured to rotate between an unlocking position and a locking position, releasably locking the elongate members in the closed position. Preferably the locking mechanism comprises a stop portion (42) defining, in cross-section, a first wider dimension (44) and a second narrower dimension (46) whereby when the locking mechanism is rotated to the locking position, the wider dimension stops pivotal movement of the elongate members.
摘要:
A device which is attachable to an aerosol container (4) , for actuating the valve (6) of the aerosol container (4) , which, when combined with an electrically controllable actuator for the device, effects the discharge of gas from the aerosol container (4) by an electrical signal. The device and actuator are especially suitable for a pest trap using a gas to kill the pest.
摘要:
An electrosurgical apparatus having improved placement accuracy is provided. The electrosurgical apparatus comprises an elongate shaft having a proximal region, a distal region and at least one lumen therethrough, a conductive region at the distal region for delivery of energy to the tissue, at least one aperture defined by the shaft, an electrical coupling means at or near the proximal region for flexibly coupling a power source control unit to supply energy to the conductive region and a fluid delivery connection interface flexibly coupled at or near the proximal region for coupling a fluid delivery mechanism. The apparatus further comprises a temperature sensing means and may also comprise a means of occluding a distal end of the apparatus. The apparatus may beneficially be used to treat pain.
摘要:
The invention provides tongs (10) for grasping items that may be releasably locked in a closed position by a rotating locking mechanism (22). In accordance with the invention, the tongs comprise a pair of elongate members (14, 16) joined at a hinge point (17) for pivotal movement between an open position and a closed position for gripping items. A locking mechanism is disposed for rotation about a longitudinal axis extending between the elongate members and configured to rotate between an unlocking position and a locking position, releasably locking the elongate members in the closed position. Preferably the locking mechanism comprises a stop portion (42) defining, in cross-section, a first wider dimension (44) and a second narrower dimension (46) whereby when the locking mechanism is rotated to the locking position, the wider dimension stops pivotal movement of the elongate members.
摘要:
Antigenic preparations active against species of bacteria naturally producing Type 4 fimbriae, such as Bacteroides nodosus which causes footrot in sheep, are produced by culturing a suitable genetically engineered aerobic or facultatively anaerobic host bacterial cell such as Pseudomonas aeruginosa. The host cell contains the gene encoding the fimbrial structural subunit antigens of at least one strain of the said species of bacteria and an endogenous compatible system for the morphogenetic assembly of Type 4 fimbriae and/or the genes for the morphogenetic assembly of such fimbriae derived from a Type 4 fimbriate species. The genetically engineered host cells are cultured such that nature fimbriae are produced as extracellular structures and the fimbriae are harvested, substantially free of the host cells, for use as the antigenic preparation. In preferred embodiments of the invention the natural fimbrial subunit gene is modified to enhance expression in the new host. Antigenic preparations according to this invention have proven to be effective vaccines against footrot.
摘要:
Les lunettes de protection comportent une bande de film transparent semi-rigide de couleur (10) formé de manière à donner une partie de protection centrale (11), un pont (12) et une paire d'ailes (14) s'étendant des deux côtés de la partie de protection des yeux. Chacune des ailes (14) est mobile de manière résiliente par rapport à la partie de protection des yeux (11) grâce à une pluralité de gauffrages essentiellement parallèles (13) permettant le réglage de la longueur effective des ailes (14) si bien que les lunettes de protection peuvent être portées par des personnes avec des têtes de différentes tailles. A l'extrémité de chaque aile (14) se trouve une boucle d'engagement d'oreille (15) conçue pour entourer l'oreille d'une personne portant les lunettes de protection, cette boucle se composant d'une pièce de matériau mousse résilient (17). Le long d'un bord arrière supérieur de la partie de protection des yeux (11) une bande de mousse résiliente (18) est prévue afin d'écarter la partie de protection des yeux (11) du front de l'utilisateur pour prévenir la gêne due au frottement du bord de la bande contre le front et espacer de manière appropriée la bande des yeux et des cils.