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Document Title |
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5971964 |
Retractable syringe
A syringe system is providing including a body and a needle assembly including an elongated hollow shaft slidably positioned within the body. Also included is a plunger assembly for expelling fluid...
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5971966 |
Needle magazine
A magazine for storing and final disposal of a snap-on needle unit has a compartment having a bottom, a cylindrical side wall, and an access opening, which compartment accommodates the needle unit...
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5968020 |
Syringe assembly
A syringe assembly has a cylindrical hole extending between the inside and outside of the syringe body for attachably and detachably carrying a holding member that in turn carries a liquid flow...
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5968019 |
Safety syringe
A safety syringe includes an injection head, a plunger and a barrel. The ection head has a needle cannula mounted to a needle seat, with the needle seat attachable to a needle seat connector. The...
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5964731 |
Disposable, disabling safety needle for a syringe, pen-type injector, or the like, and method of making the same
A piercing member assembly, such as a needle assembly, a lancet assembly, or the like, includes a piercing member, a piecing member base, a slidable piercing member cover and a rotatable piercing...
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5964735 |
Fine needle aspiration safety syringe
The invention comprises a needle aspiration safety syringe having a barrel, a plunger, a retractable needle, and a delayed engagement mechanism. The needle is functionally connected to the plunger...
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5961491 |
Non-reusable retractable safety syringe
A non-reusable retractable safety syringe is provided which has a hollow plunger and a seal member carried thereon. The provision of the plunger and the seal relative to the barrel permits the...
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5957887 |
Infusion catheter assembly needle protection device
A medical catheter device that has a housing containing a needle and needle hub that are movable between a retracted position where the needle is safely within the protection of the housing and an...
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5957897 |
Hollow needle applicator for cartridged drugs
A hollow needle applicator for cartridged drugs etc has provision for automatic needle retraction after cartridge contents expression. Its drugs etc cartridge (125, 225, 325) can itself be at least...
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5951515 |
Medical needle guard for catheter placement
A side button is located at the distal end of a housing forming part of an I.V. catheter and which is movable between a first position to allow longitudinal movement of a needle ands a second...
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5941850 |
Safety cannula
The present invention is anti prick needle which is extendable and retractable only under positive user control. The present invention has an auto stopper that prevents inadvertent extension of the...
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5938641 |
Safety syringe
Needle housing of simple springless syringe retracts into casing tube's barrel after use to avoid accidental needle sticks. A lip at the barrel's forward end and a far end of a rim of the needle...
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5935104 |
Safety medical syringe with retractable needle
A syringe for giving medical injections which has an internal mechanism for releasing and retracting a needle into the syringe after the injection has been given and retaining the needle and a...
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5935109 |
Catheter and needle assemblies
A catheter assembly has a needle extending within a catheter and projecting from its patient end. A slider attached with the needle is slidable rearwardly along a protective housing so that the...
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5931813 |
Retractable and destructible safety syringe
A retractable and destructible safety syringe including a syringe barrel, a plunger, a needle holder, a needle, capture elements formed on the needle holder or the plunger and a one-way movable...
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5928188 |
Method of delivering fluid with a non-reusable retractable safety syringe
A non-reusable retractable safety syringe is provided which has a hollow plunger and a seal member carried thereon. The provision of the plunger and the seal relative to the barrel permits the...
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5921960 |
Non-reusable retactable safety syringe
A non-reusable retractable safety syringe is provided which has a hollow plunger and a seal member carried thereon. The provision of the plunger and the seal relative to the barrel permits the...
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5919165 |
Rotatable needle shield for needle cannula
A needle shield assembly is provided for a needle cannula. The assembly includes a support sleeve, a stop collar and a needle shield. The support sleeve is rotatably mounted in a proximal position...
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5913843 |
Dampening device for spring movement
Timing of movements of a spring between a stressed and a free state is delayed by dampening the spring movement through incorporation of a component having a restricted access diameter whereby...
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5911705 |
One step catheter advancement automatic needle retraction system
The one step catheter advancement automatic needle retraction system of this invention includes a generally hollow barrel, a needle hub which can include a flashback chamber disposed in the barrel,...
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5910130 |
Shield and actuator for needles
A shieldable needle assembly includes a needle guard slidably movable along a needle cannula from a proximal position where the distal end of the needle cannula is exposed to a distal position...
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5902271 |
Low dead space, interchangeble needle syringe
A non-reusable syringe is provided which has an interchangeable needle, and, further, which has very low residual medication in the syringe after use. Devices for achieving the interchangeable...
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5902277 |
Low dead space, interchangeable needle syringe
A non-reusable syringe is provided which has an interchangeable needle, and, further, which has very low residual medication in the syringe after use. Devices for achieving the interchangeable...
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5899883 |
Safety syringe
A safety syringe includes a tubular barrel having a bottom formed with an opening and a top formed with a neck portion, a plunger configured to be slidably fitted in the barrel and provided with a...
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5899887 |
Safety syringe with retractable standard needle
A safety syringe with retratable standard needle, including a syringe barrel, a plunger and an injection needle. A commonly used standard needle holder is replaceably connected with a second needle...
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5893844 |
Indwelling needle set
Disclosed is an indwelling needle set comprising a cylinder provided with a flexible outer needle composed of a synthetic resin at the tip thereof and a plunger which is inserted in the cylinder...
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5893842 |
Syringe needle isolation device
A syringe assembly having needle isolation features includes an elongate barrel having an open proximal end, a chamber for retaining fluid and a tip portion extending from a distal end of the...
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5893845 |
Telescoping needle shield
A needle assembly having a telescoping shield that extends over the distal end of the needle when released by an actuator that is triggered during a standard sequence of operation of a medical...
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5891092 |
Disposable safety syringe and method of making the same
A medication delivery device for delivering medication using a piercing member. The medication delivery device includes a housing, a piercing member holder, a delivery actuator and a sealing...
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5891093 |
Trap in hub chamber safety needle cannula syringe tip
A syringe tip device and method wherein a safety chamber is provided at the end of the hub for a slip tip, eccentric tip, or threaded tip syringe. The hub is placed on any conventional syringe in a...
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5885257 |
Spring loaded automatic retractable needle syringe
A spring loaded automatic retractable needle syringe is disclosed wherein a compressed spring is placed between a needle carrier and the distal end of the barrel and a cap placed over the distal...
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5885256 |
Safety syringe with a needle receiving tube
A safety syringe is particularly equipped with a needle receiving tube which safely facilitates the mounting and dismounting of a disposed needle. The safety syringe has a container, an injection...
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5882342 |
Safety medical syringe with retractable needle
A syringe for giving medical injections which has an internal mechanism for retracting the needle into the syringe after the injection has been given and locking the needle and plunger inside the...
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5882337 |
Tip protection device
A safety cover, which securably and reliably prevents the readvancement of the tip of a cannula once it has been retracted thereinto, is designed having an elongate body which includes an axial...
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5879339 |
Hub for syringe, connecting structure of hub, syringe, piston, needle assembly unit, connecting structure between needle assembly unit and syringe, syringe assembly and method of assembling syringe assembly
A syringe assembly has a hub body which can be inserted into a hub insertion hole and pulled out thereof into inside a sringe body. A chamfer portion is formed at the hub body, being capable of...
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5879331 |
Medical devices having needle retraction and needle biasing mechanism
A medical device includes a hollow needle having a distal tip for piercing the skin of a patient. A housing is provided for moving the needle relative to said housing between a first ready-for-use...
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5876382 |
Safety syringe with retractable needle holder
A safety syringe having a cylindrical hollow barrel member of semi-elastic material has a seal and stop device at the distal open end and a first restraining stop device axially spaced a...
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5868713 |
Pneumatic retractable syringe
A pneumatic retractable syringe in which the needle is retracted into the barrel of the syringe following use by compressed gas that is released from a gas reservoir when the gas reservoir is...
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5868709 |
Portable modular apparatus and method for destroying medical needles
A portable electronic (electro-mechanical) device for destroying sharp, contaminated hypodermic and other medical needles includes an upper electrode assembly, two fixed, and one moveable electrode...
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5855839 |
Process for manufacturing an injection device of the pre-filled type containing a dose of liquid for injection and injection device produced
The invention relates to a process for manufacturing an injection device of the pre-filled type comprising producing, in a deformable plastics material, a tubular syringe body (101) equipped with...
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5853390 |
Syringe for hypodermic injections
A syringe for hypodermic injections comprising a cylindrical body inside which a plunger is fitted so as to be slideable and actuatable by means of a stem that protrudes from an open end of the...
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5851196 |
Needle protector
A needle protector having a body, a needle hub and a needle. The body includes a first end and a second end. The body consists of a hollow elongated cylinder defined by a continuous wall having a...
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5843034 |
Hypodermic syringe with retractable needle mount
A hypodermic syringe (10) comprising a barrel (14) for containing medicament or other liquid, movable piston means (16) including a shaft (40) provided with a chamber (42) and frangible chamber...
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5833660 |
Non-reusable syringe
Non-reusable syringe having a syringe body, a hypodermic needle and a slidable piston for drawing and discharging fluid through the needle. In one embodiment, the non-reusable syringe includes a...
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5820605 |
Retractable syringe
A retractable syringe includes a barrel, one end of which comprises a mounting collar. A needle carrier is releasably mounted within the collar and releaseably supports a needle cartridge. A...
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5817058 |
Retractable catheter introducer structure
A retractable catheter introducer structure includes a stepped housing and a retractable needle holder. The head of the needle holder is held in a first embodiment by means of a plunger tube having...
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5814017 |
Single use syringe device
A single-use syringe assembly is provided and includes an elongated syringe barrel with a plunger assembly disposed therein. The plunger assembly includes an elongated plunger rod having a plunger...
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5803918 |
Syringe for medicinal purposes
The syringe for medicinal purposes features a syringe barrel (1), one end of which is formed as an adapter (2) for a cannula or a closure (3), e.g., in the form of a tip cap, and of a plunger (4),...
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5800395 |
Medical device with retractable needle
A medical device having an automatically retractable needle is provided with a safety latch for preventing premature or inadvertent retraction of the needle. In a preferred embodiment, the medical...
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5797880 |
Catheter and placement needle assembly with retractable needle
A catheter and needle assembly includes a hollow handle with a longitudinal axis defining a cavity. The handle has a proximal end and a distal end that defines a wall with an inside surface and an...
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