81results about How to "Avoid accidental displacement" patented technology

The present invention relates to a reminder device for a drug delivery device, comprising: a base member, an adjusting element movably disposed with respect to the base member between at least two stop positions, and a display means comprising an information surface being only partially discernible through an aperture, wherein at least two designated segments of the information surface become selectively discernible by a displacement of the adjusting element relative to the base member.

A fastening device having a bellows made of a material that changes shape when activated by a catalyst, and having a pleated structure that contracts from an extended state to a contracted state upon activation. The shape changing material may be a shape memory metal alloy, shape memory polymer or elastic memory composite. A method of using this fastener provides apposition and compression of abutment surfaces to join together two pieces of material, and is suitable for joining apposing bone surfaces together to heal fractures via the use of orthopedic hardware.

A filter device for temporary placement of a filter in an artery or vein is disclosed. The devices include (1) an elongate tubular member having a single or double side-wire loop, (2) an elongate member having a filter bonded to a circular rim joined by a plurality of tethers and an independently moveable tether, and (3) an elongate member having a parachute filter joined by a plurality of flexible struts. The filter conforms to the interior of a vessel wall when expanded and contracts to a consistent diameter without bunching when stowed. The filter devices may act as guidewires for guiding a therapeutic catheter to a region of interest within a vessel. Methods of using the filter device to entrap and remove embolic material from a vessel during endovascular procedures are also disclosed.

A hair extension kit, which includes a plurality of hair extensions of novel construction and a method of attaching the hair extensions onto a wearer's natural hair using an easy-to-use attachment system. Each of the hair extensions of the hair extension kit includes a malleable or deformable ring, which circumscribes the legs of an extension loop and an elongated strand of supplemental hair. The method of attaching each of the hair extensions to the wearer's natural hair includes the steps of placing the extension loop of each hair extension on top of an existing strand of hair of the wearer; pulling the existing strand of hair through the extension loop so that the strand of hair is disposed inside the extension loop; pulling the extension loop through the malleable or deformable ring in order to draw the extension loop and the strand of supplemental hair through the ring; and securing the strand of supplemental hair and the existing strand of hair within the ring by crimping the malleable or heating the deformable ring.

An improved disposable privacy curtain system for use in hospitals, clinics, nursing homes, and other healthcare facilities is disclosed. The disposable privacy curtain system includes a disposable curtain packaged and sold with novel pre-attached sliding carriers affixed to the top edge thereof that are adapted for rapid, snap-in engagement with existing ceiling tracks thereby allowing for rapid removal and replacement of the curtain system. A disposable hospital curtain in accordance with the present invention comprises sheet-like material formed as a generally rectangular panel with vertical fold lines that permit the panel to be drawn between to a compact stowed configuration wherein the curtain is disposed in a pleated and/or folded configuration, and an extended deployed configuration wherein the curtain is extended. In a preferred embodiment, the disposable hospital curtain is fabricated from non-woven polypropylene treated with an antimicrobial agent and a flame retardant.

A device for applying a ventrally or dorsally directed translatory force onto a lower leg in the area of the knee joint includes a thigh bar and a lower leg bar device having a shorter and a longer bar arm. Both bar arms can be freely swiveled relative to the thigh bar. The two bar arms are disposed in such a manner that they can be swiveled relative to each other. A pretension of a spring device between the shorter and the longer bar arm has the effect that the bar arms are urged to carry out a swiveling motion relative to each other, thereby applying a ventrally or dorsally directed translatory force onto a lower leg fixation device in an area close to the knee.

A battery powered device comprising a housing having a battery compartment apparatus disposed therein, with the battery compartment apparatus being configured to accept at least one battery. The battery compartment apparatus comprises a battery carrier and a locking hold down mechanism. The carrier is slidably mounted in the housing. The locking hold down mechanism responds to insertion and withdrawal of the carrier into and out of the housing by locking the locking hold down mechanism against the battery, thereby preventing undesired displacement of the battery within the housing.

A protective lock assembly for preventing unauthorized access to a pintle receiving hitch which assembly includes opposing plate members which are mounted on opposite surfaces of the hitch and wherein a tongue carried by one plate member is engageable by a lock whose shackle is protectively seated within a housing which extends from the other plate member.

The invention relates to a power-losing trigger type steel wire rope brake and a braking method thereof. According to the structure of the steel wire rope brake, a rope channel is arranged in a frame; braking clamp blocks are arranged on the two sides of the rope channel respectively; friction plates are arranged on clamping faces of the two braking clamp blocks respectively; at least one of the two braking clamp blocks is a movable clamp block; tension springs are arranged on the frame, so that the back faces of the movable clamp blocks are attached to the inner edge of the frame; longitudinal sliding grooves are formed in the back faces of the clamping faces of the movable clamp blocks; power-losing trigger braking electromagnets are arranged on the frame and provided with braking push rods abutting against the interiors of the sliding grooves in the back faces of the movable clamp blocks; and E-shaped faces with the middles protruding are arranged on the back faces of the movable clamp blocks, and a conical face with the middle concaved is arranged on the inner edge of the frame. An elevator car or a weight can be immediately clamped by the steel wire rope brake during upward heading and downward sliding, and malignant consequences caused by accidents are avoided.

A rail seat which includes

• • a) a rail tie
  • b) a pair of rail fastening support shoulders mounted on said rail tie so that a rail can be held to the tie between said shoulders each shoulder having a a rail face and side portions on each side of said rail face extending away from the rail
  • c) a rail pad adapted to lie on said tie between said shoulders which has a pair of projections extending parallel to the tie along side each side portion of each shoulder.

The rail seat is adapted to be used with a deep post insulator and incorporates a rib on the support shoulder extending from each side portion against which a face of the rail pad projections abut to locate the pad in position to accommodate the post of the insulator. The rail pad projections are proportioned to prevent the pad from moving out of position under the creep load conditions present when rail cars pass over the rail seat. A resilient tab is provided on each projection to abut the side portions of the support shoulder to retain the pad in position between the support shoulders during transport of the rail tie to the installation site.

A child seat comprises a seat part, a backrest operable to rotate relative to the seat part, a backrest adjusting mechanism and a safety lock movably mounted on the backrest. The backrest adjusting mechanism comprises a positioning element mounted stationary relative to the seat part, and a latch element mounted on the backrest and movable to engage with the positioning element. The positioning element comprises a channel that delimits a range of adjustable angular positions of the backrest relative to the seat part. In addition, the safety lock has a lock position adapted to restrict displacement of the latch element relative to the channel, and an unlock position enabling the latch element to move out of the channel when the backrest is moved out of the range of adjustable angular positions toward a position lying substantially parallel with the seat part.

The safety device for a band saw which includes a vertically displaceable guard which is slidably mounted to a housing of the saw and having a lower end adjacent the table of saw and wherein a pivotable shield is carried by the lower end of the guard. A locking mechanism normally secures the guard in a lowered covering relationship to a band saw blade and must be manually released to permit raising of the guard to allow a workpiece to be moved beneath the shield to be cut by the band saw blade.

The invention relates to a rope gripper. According to the structure of the rope gripper, two braking and clamping blocks with opposite clamping faces are arranged in a frame. A rope channel is formed between the clamping faces of the two braking and clamping blocks. The clamping faces of the braking and clamping blocks are provided with friction plates. At least one of the braking and clamping blocks is a movable clamping block capable of moving in the frame up and down. Tension springs capable of pulling the movable clamping blocks so that the back faces of the movable clamping blocks can be attached to the inner edge of the frame are arranged between the movable clamping blocks and the frame. The back faces, opposite to the corresponding clamping faces, of the movable clamping blocks are inclined faces so that the movable clamping blocks can form wedge-shaped blocks. The inner edge, attached to the back faces of the movable clamping blocks, of the frame is an inclined face combined with the back faces of the movable clamping blocks. By the adoption of the rope gripper, a lift car or a hoisted heavy object can be clamped immediately by the rope gripper no matter in the upward hoisting process or the downward sliding process, and vicious consequences caused by accidents are prevented.