2347 results about "Retainer" patented technology

The push-to-connect fitting includes a connector body, a sealing member, a grab ring, a cartridge, a retainer sleeve, a plurality of latches, and an interference portion. The sealing member is configured to form a sealing engagement with a fluid conduit. The grab ring includes a plurality of teeth configured for coupling to the fluid conduit. The retainer sleeve is received over at least part of the cartridge and is received over at least part of the connector body. The plurality of latches are located on the retainer sleeve and are configured to secure the retainer sleeve to the connector body to facilitate retention of the sealing member, the grab ring, and the cartridge. The interference portion is configured to engage the retainer sleeve to substantially prevent rotation of the retainer sleeve relative to the connector body.

A floating joint and retainer connection structure includes a hollow fixed retainer having one closed side formed with a through opening and radially extended sliding slot pairs; an adaptor joint having a pipe connecting and a joining section connected to the retainer and a male coupler, respectively; a first sliding member having an opening fitted on the pipe connecting section, a first slide movably engaged with the sliding slots, and a front guiding recess; a second sliding member having a bore fitted on the pipe connecting section and shaped for slidably engaging with the guiding recess; and a retaining ring fitted on the pipe connecting section and attached to the second sliding member to limit the first and second sliding members from moving axially. With the first and second sliding members, the adaptor joint can translate to correct a radial fit tolerance and be conveniently assembled to the fixed retainer.

An orthopedic fixation device operable for securing bone parts comprising one or more blocking cams integrated into a structural support device such as an intervertebral spacer or a fixation plate. The blocking cam is irremovable from the structural support device without destruction of the blocking cam or the structural support device or both. In preferred embodiments, the blocking cam comprises a central body with one or more tabs extending radially from the central body. The blocking cam is rotatable between a locked mode wherein one of the tabs obstructs removal of a bone anchor from a fixator port of the structural support device and an unlocked mode wherein the bone anchor is unobstructed from removal from a fixator port.

A surgical stapling system comprising an instrument interface comprising a control circuit and an RFID reader is disclosed. The surgical stapling system further comprises a shaft assembly comprising a shaft and an end effector. The end effector comprises a first jaw, a second jaw, an anvil, and a cartridge channel. The surgical stapling system further comprises a replaceable staple cartridge assembly removably positioned within the cartridge channel. The replaceable staple cartridge assembly comprises a cartridge body, a longitudinal slot, a plurality of staple cavities, a plurality of staples, and a staple cartridge retainer. The staple cartridge retainer comprises a rib, a body portion, and an RFID tag embedded within the body portion, wherein the RFID tag comprises a memory, wherein the memory comprises identifier information stored in the memory specific to the staple cartridge, and wherein the identifier information is accessible by the RFID reader.

A tensioning device comprising a guide adapted to receive thereabout one end of a looped operating element (“LOE”), a retainer configured to prevent said one end from traveling about the guide, the guide and retainer being configured to move relative one another between first and second positions; a biasing element for biasing the guide towards the retainer to tension the LOE. In the first position, the LOE has no tension and the guide is extended to trap said one end between the guide and the retainer to prevent travel of the LOE about the guide. In the second position, the LOE is tensioned with the guide being retracted from the retainer, and a locking device for locking the guide in the first position when the LOE has no tension such that the guide cannot be retracted away from the retainer to allow operation of the operating element.

To provide a linear motion guiding device that can enhance function of high-dust proof and high-hermetic sealability by improving a seal member.SOLUTION: A linear motion guiding device includes a side seal disposed between a slider and a guide rail. The side seal includes: a retainer plate disposed on a slider side; a cover disposed on a far side from the slider relative to the retainer plate; and a seal member nipped between the cover and the retainer plate along a longitudinal direction of the guide rail. The seal member includes: a body retained by the retainer plate; and a lip part extending in a flat shape toward a guide rail side from the body. A space is formed between the retainer plate and the cover and between the body and the lip part.SELECTED DRAWING: Figure 3

A dynamic pet treat device includes a spine, a body, and a retainer. The spine has a proximal portion, a distal portion, and a medial portion disposed between the proximal portion and the distal portion, the medial portion configured to receive one or more pet treats. The body extends from the proximal portion of the spine and optionally can define a shape of a prey to encourage a pet to play with the device. The retainer extends from the distal portion of the spine and is configured to retain the one or more pet treats on the spine. The retainer can optionally include a dynamic tail that further encourages the pet to play with the device.

A retaining assembly, for a galley, including a retaining arm, a mounting rod and a biasing device. The retaining arm is movable between a non-retaining position and a retaining position. When in the retaining position, the retaining arm is arranged to prevent movement of an item in a retaining direction. The retaining arm is adjustably mounted to the mounting rod, such that its position on the mounting rod is adjustable in the retaining direction. The biasing device is arranged to provide a biasing force on the retaining arm to bias its position on the mounting rod.

A holesaw assembly can include a holesaw, a pilot drill, an arbor, and a retainer. The holesaw can include a base and a cylindrical wall coupled to the base. The cylindrical wall terminates away from the base in a cutting edge and defines an internal space. The drill bit can include a cutting tip and an elongate shaft portion. The arbor can include a first portion configured to be couplable with a tool holder of a power tool and a second portion configured to be coupleable with the holesaw. The arbor can be configured to receive the drill bit and facilitate movement of the drill bit between an extended position and a retracted position relative to the arbor while the drill bit remains coupled to the arbor. The cutting tip is closer to the first portion of the arbor in the retracted position than in the extended position. The retainer can be configured to selectively maintain the drill bit in the retracted position. Release of the retainer can allow movement of the drill bit from the retracted position toward the extended position.

The utility model provides a positioning object retainer. The positioning object retainer comprises a mounting seat, a disc body rotationally connected relative to the mounting seat, and a plurality of retaining components, the retaining component forms a rotating section, a connecting section and an adjusting section which are continuously arranged, the free end, away from the connecting section, of the adjusting section is connected with an everted section, the top end of the everted section extends upwards, and an included angle is formed between the length direction of the everted section and the length direction of the connecting section; an annular space for the connecting section to rotate is formed between the disc body and the mounting base, the hollow part pushes the adjusting section to rotate relative to the mounting base with the rotating section as the axis and the connecting section as the radius, and the adjusting section moves relative to the length direction of the hollow part in the rotating state and synchronously keeps a positioning object with the outwards-turned section. The cup body clamp is used for solving the problems that in the prior art, a cup body clamp cannot meet the clamping requirements of cup bodies in other shapes except for a conventional columnar cup body, and the adaptation range is limited.

A fastener assembly for coupling a first component to a second component is described. The fastener assembly includes an assembly-verification plunger with a verification head and a pair of spring legs, as well as a retainer with a body portion that defines a retainer opening. The retainer has a pair of retainer legs resiliently connected to the body portion and designed to engage with the opening. Each spring leg includes a lock tab. The verification head features a fixed planar portion and at least one wing portion connected to the fixed planar portion via a hinge. An installation indicator is positioned on at least part of both the fixed planar portion and the wing portion. The retainer opening is configured to receive and secure at least part of the spring legs. Each retainer leg includes a cutout to receive the lock tab, securing the assembly-verification plunger to the retainer in a part-in-assembly (PIA) position.

A linear guide includes a first rail, a second rail, and a retainer. The first rail has a first opposite side facing a second opposite side of the second rail. The first opposite side has a first raceway surface. The second opposite side has a second raceway surface. The retainer includes a plurality of rolling elements roll on the first raceway surface and the second raceway surface. A rotatable toothed wheel is pivotally connected to the retainer. A plurality of first protrusions are planted at equal intervals on the first opposite side other than the first raceway surface. A plurality of second protrusions are planted at equal intervals on the second opposite side other than the second raceway surface. The toothed wheel meshes with the first protrusions and the second protrusions to prevent the retainer from creeping on the first rail and the second rail.

A method of assembling a bone anchor assembly includes positioning either a rod-engaging insert or a capture portion-engaging retainer into the central bore of a receiver to form a pivoting or a non-pivoting receiver sub-assembly, respectively, with the receiver having a channel for receiving a rod and a central bore extending upwardly from a bottom opening through the channel to the top of the receiver. The method also includes uploading the capture portion of one of a plurality of bone anchors and into the lower portion of the central bore of the pivoting or non-pivoting receiver sub-assembly, with each of the plurality of bone anchors having an anchor portion for fixation to the bone of a patient and a capture portion opposite the anchor portion having a partial spherical outer surface extending outward and upward from a neck portion to an annular planar top surface, with a discontinuous central portion of the outer surface defined by the combined crest surfaces of a pair of helically wound upper threadform formed therein.

The invention discloses a reverse type annular tooth groove planetary roller screw which comprises a nut, a screw rod, a plurality of rollers and a retainer, a multi-head internal thread is arranged in the nut, the rollers and the screw rod are both of an annular tooth groove structure without a helix angle, and the annular tooth grooves of the rollers are meshed with the internal thread of the nut and the annular tooth grooves of the screw rod respectively; first gears are machined at the two ends of the annular tooth groove of the lead screw, second gears are machined at the two ends of the annular tooth groove of the roller, and the first gears are meshed with the multiple second gears at the same time. The retainer is of an integral flexible retainer structure, and the pin rollers have the self-adaptive capacity in multiple directions in the circumferential direction and the radial direction through the retainer. And an arc-shaped roller path is designed on the screw rod and is matched with the ball spline housing to play a linear rolling guiding and rotation stopping role on the screw rod. The reverse lead screw has the advantages of being large in transmission ratio, compact in structure, easy to machine and assemble, low in cost, good in self-adaptive performance, high in positioning precision, good in reliability and the like.

Devices, systems, and methods relating to biased angle receivers for modular pedicle screw assemblies are described herein. The receiver may include a body and a retainer. The body may be configured to be coupled to a bone fastener and a rod for spinal stabilization. The body may also include a base defining an opening from a top end to a bottom end of the base and having a bottom axis at the bottom end of the base. The bottom axis may be obliquely angled with respect to the longitudinal axis of the body. A chamber may be defined within the base and be in communication with the opening. A retainer may be disposed in the chamber and may be configured to expand in an upper section of the chamber to receive a bulbous head of the bone fastener up through a bottom opening of the retainer.

The invention relates to the technical field of assembly, in particular to a universal joint assembly method and system. The method comprises the step of triggering based on an assembly instruction to drive the retainer to move towards the mounting part in the direction from the clamping groove to the mounting part. And on the basis that the inner circumferential surface of the retainer abuts against the outer circumferential surface of the mounting part and the retainer is located on the side, close to the clamping groove, of the mounting part, the press-fitting unit drives the retainer to move in the direction from the clamping groove to the mounting part till the retainer stops. And on the basis that the retainer stops, the detection module is driven to move in the direction from the clamping groove to the mounting part. And on the basis that the detection module abuts against the snap spring, the relative position of the detection module and the snap spring is obtained. And obtaining a detection result of the snap spring based on the relative position of the detection module and the snap spring. Therefore, the problem of how to improve the assembling efficiency of the universal joint is solved.

Devices and methods for treating bone fractures involving a micromotional unit (6) that produces reciprocating displacement between two fracture fragments (1) to thereby apply controllable micromotion to a fracture site.

The invention discloses an interventional tube fixator, which relates to the technical field of medical instruments and comprises a base frame, an interventional tube static clamping plate, a sliding hole, clamping teeth, an interventional tube movable clamping plate, a countersunk head clamping hole and a movable clamping drive retaining module, the movable clamp driving and maintaining module is assembled in the sliding hole in a sliding mode through a strip-shaped sliding block, the front end of the movable clamp driving and maintaining module is provided with an elastic clamping head detachably clamped in the countersunk head clamping hole, the rear end of the movable clamp driving and maintaining module is connected with an elastic clamping plate, and the surface of the elastic clamping plate is provided with continuous sawtooth clamping grooves matched with the clamping teeth; a first handle is arranged at the rear end of the strip-shaped sliding block, and a second handle is arranged at the rear end of the elastic clamping plate. The continuous sawtooth clamping grooves can be separated from the clamping teeth by pressing the two handles, when the strip-shaped sliding block is pushed to move forwards, the elastic clamping plate enables the clamping grooves to be meshed with the clamping teeth under the action of elastic force, and rapid clamping and releasing of the interventional tube are achieved. The fixing device is simple in structure, convenient to operate, capable of effectively preventing the interventional tube from shifting and suitable for fixing the interventional tube in oral surgery or examination.

A pedicle screw includes a tulip head, a rod seat, a screw shank, and a retainer collar. The tulip head has an upper opening disposed in a top end of the tulip head and a lower opening disposed in a bottom end of the tulip head opposite the upper opening. The upper and lower openings form a single cavity extending through the tulip head from a top end to the bottom end. The rod seat is disposed within the cavity of the tulip head. Retention ledges of the rod seat engage opposing arms of the tulip head. The screw shank has a thread disposed along a length of the screw shank and a connector positioned at an upper end. The retainer collar has a pass through aperture, an expansion slit, and is disposed about the connector of the screw shank. Other embodiments are described and claimed.

A floating joint and retainer connection device includes a fixed retainer internally defines a receiving space; an adaptor joint having an end extending through the receiving space to an outer side of the fixed retainer and an axially limiting section formed near another end; a fixing element fitted on the adaptor joint and located outside the fixed retainer for limiting the adaptor joint from moving axially while allowing the adaptor joint to displace radially relative to the fixed retainer; a rolling assembly disposed adjoining the fixed retainer; and a spring located in the receiving space and fitted on the adaptor joint with two ends pressed against the axially limiting section and the fixed retainer or the rolling assembly. When the rolling assembly rolls to displace radially relative to the fixed retainer, a radial frictional force produced by a normal force applied by the spring to the fixed retainer is reduced.

In one embodiment, a threadless positioning pin includes a head end, a pilot end, a positioning shank, a retainer shank, and a keyway. In another embodiment, a threadless positioning retainer includes a first end, a second end, an exterior, and an interior with a key extending from an inner surface proximate the first end. In another embodiment, a threadless positioning fastener includes a threadless positioning pin and a threadless positioning retainer, including an interior with a key configured to ride in a keyway of the threadless positioning pin. In another embodiment, a method of joining assembly elements includes providing a primary element, advancing a threadless positioning pin through a positioning hole so that a key rides along a keyway, and rotating the threadless positioning pin so that the key engages the keyway to trap the primary element between the threadless positioning pin and a threadless positioning retainer.

A surgical device (2) for extraction of a prosthetic component from a patient during surgery. The surgical device comprises a first component (8) having a female coupling portion at a first end, and a second end configured to be connected to one of a prosthetic component or a surgical extraction instrument. The first component further includes a retainer. The surgical device further comprises a second component (10) with a first end defining a male coupling portion, a stem (30, 130) extending from the male coupling portion, and a second end configured to be connected to the other of the prosthetic component or the surgical extraction instrument. The male coupling portion of the second component is configured to be disposed within the female coupling portion of the first component and retained within the female coupling portion by the retainer, with the stem of the second component extending away from the female coupling portion of the first component. The male coupling portion of the second component and the retainer of the first component are configured such that the male coupling portion is held in the female coupling portion while allowing articulation of the first component relative to the second component. The first and second components form an articulating joint allowing a user to connect the surgical extraction instrument to the prosthetic component in a patient, articulate a portion of the surgical extraction instrument which resides external from the operating site, and transfer extraction forces to enable removal of the prosthetic component from the patient.

A coupling assembly for coupling a rod to a bone anchoring element, including a receiving part having first and second ends, a recess at the first end for the rod, and an accommodation space for a head of the bone anchoring element, the accommodation space having an opening at the second end to permit insertion of the head into the receiving part, a retainer element configured to be arranged at least partially in the accommodation space and to hold at least part of the head, and a spring element configured to be arranged at least partially in the accommodation space and to be compressed in an axial direction. The retainer element and the spring element are separate parts. When the retainer element and the spring element are in the accommodation space of the receiving part in a first position, the spring element extends into the recess of the receiving part.

A coupling assembly for coupling a rod to a bone anchoring element, including a receiving part having first and second ends, a recess at the first end for the rod, and an accommodation space for a head of the bone anchoring element, the accommodation space having an opening at the second end to permit insertion of the head into the receiving part, a retainer element configured to be arranged at least partially in the accommodation space and to hold at least part of the head, and a spring element configured to be arranged at least partially in the accommodation space and to be compressed in an axial direction. The retainer element and the spring element are separate parts. When the retainer element and the spring element are in the accommodation space of the receiving part in a first position, the spring element extends into the recess of the receiving part.

A retaining piece includes a retainer portion, a tubular wall portion, and a cantilevered portion. The tubular portion extends around a central axis that extends through the center of the retaining piece. The retaining piece also includes a locking feature that includes a first alignment feature arranged along the tubular wall portion in direction substantially parallel to the central axis.

Disclosed are a method, a device, and / or a system of secure and / or comfortable retention of an earbud through a retainer contacting the concha of the ear. In one embodiment, a retainer for an earbud includes an arm extending at least partially from an aft portion of the earbud and configured to contact a concha of the ear when the earbud is seated in an ear, and a hinge element that is configured to permit at least a first portion of the arm to hinge away from the concha. The hinge element resists hinging away from the concha with a restoring force, such that when the earbud is seating in the ear the arm pushes from the concha and / or an interior surface of an anti-helix of the ear to apply force toward a front portion of the earbud and / or an ear tip of the earbud, to comfortably retain the earbud.

The utility model discloses a pressing-propelled trachea cannula fixator which comprises a bottom plate capable of being worn on the mouth of a patient, a notch corresponding to the oral cavity position of the patient is formed in the bottom plate, a guide sliding groove is fixed to the bottom plate, a long toothed plate is connected into the guide sliding groove in a sliding mode, and a clamping head is fixed to one end of the long toothed plate. A clamping groove is formed in the end, away from the long toothed plate, of the chuck, the chuck and the clamping groove are matched to fix the trachea cannula, the long toothed plate is connected with a pressing and pushing mechanism and a locking mechanism, the pressing and pushing mechanism comprises a trapezoidal driven block fixedly connected with the long toothed plate, the trapezoidal driven block is connected with a trapezoidal driving block in a matched mode, and the trapezoidal driving block is fixedly connected with a push rod. The trapezoidal driving block is fixedly connected with a first reset spring, and the first reset spring is arranged in a spring seat and connected to the push rod in a sleeving mode. And a guide separation blade is also fixed on the long toothed plate. The fixing device adopts a pressing propelling structure, so that compared with a thread rotating propelling mode, more time is saved, and clamping and loosening operations are more convenient.

Holders for bone screws, kits including a holder and one or more bone screw, and methods of loading a screw onto a driver for driving the screw into a bone are described. A holder for a bone screw includes a main body having a first surface and a second surface. The main body defines a retainer having first and second arms, each of which is a flap of the main body that is movable from a first configuration, in which the respective arm is coplanar with the adjacent portions of the main body, and a second configuration in which the respective arm extends away from the adjacent portions of the main body. The first and second arms are biased toward returning to the first configuration in which the respective arm is coplanar with adjacent portions of the main body.

A retainer has insertion portions and that allow a body portion of a terminal fitting to pass therethrough at a temporary locking position, and a detection portion protruding from a wall surface portion that defines the insertion portions and capable of interfering with a first wall of the terminal fitting in a half-inserted state into a housing from a side opposite to a second wall, and is configured to reduce an amount of protrusion from an outer surface of the housing as it goes from the temporary locking position to a full locking position. The detection portion has a recess shaped to move away from protrusions at the temporary locking position, and is disposed corresponding to a middle portion excluding both end portions in a width direction in the wall surface portion.

The present invention provides devices and methods for establishing aseptic connections between two or more components or subassemblies. The devices may be used in medical devices such as drug delivery pumps (10). In some embodiments, a connection is made between a drug container (50, 1050, 2050) and a fluid pathway connection assembly (300, 1300, 2300). The fluid pathway connection assembly may include a connection hub (312, 1312, 2312), a piercing member (316, 1316, 2316), and a piercing member retainer (314, 1314, 2314). The assembly may further include a first film (318, 1318, 2318) covering a cavity (312A, 1312A, 2312A), thereby maintaining the aseptic condition of the cavity. The drug container may hold a fluid drug and include a pierceable seal (326, 1326, 2326). A second film (322, 1322, 2322) may cover a recess (328, 1328, 2328) formed by the seal and thereby maintain the aseptic condition of the interior of the chamber. The piercing member may be caused to pierce the first and second film and the pierceable seal to open a fluid pathway for delivery of the fluid drug through the fluid pathway connection assembly.