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Birger Hjertman Patents
Inventor:
Hjertman; Birger
Address:
Vallingby, SE
No. of patents:
52
Patents:


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Patent Number Title Of Patent Date Issued
D486908 Snap-on grip for an injector February 17, 2004
D441447 Eye lens implanter May 1, 2001
D434497 Cartridge for pharmaceutical preparations November 28, 2000
D430666 Cartridge for pharmaceutical preparations September 5, 2000
D429812 Disposable syringe August 22, 2000
D401325 Syringe November 17, 1998
D401324 Syringe November 17, 1998
D324423 Combined medical syringe and vial for administering subcutaneous injections March 3, 1992
D323031 Medical syringe for administering subcutaneous injections January 7, 1992
D323030 Medical syringe for administering subcutaneous injections January 7, 1992
7396347 Injector device and method for its operation July 8, 2008
Injector device, and method for its operation, for containers of syringe type, comprising a barrel of axially roughly constant cross-section, a front opening and at least one movable wall inserted in the barrel for displacement of a container content, the injector comprising a) a housing
7164133 Delivery device and method for its operation January 16, 2007
A system of marked medical containers comprises at least two containers having different properties in at least one respect, and at least one machine-readable marking on each of the containers, each marking being designed to allow discrimination between the difference in properties.
7104971 Medical device September 12, 2006
The invention relates to an injector device for delivery of liquid from a high pressure source, and also to a method of performing such an injection. The device comprises a storage chamber 6, for the liquid or the liquid precursor components, comprising a storage barrel 16 with at le
7033337 Medical device April 25, 2006
The invention relates to an injector device for delivery of liquid from a high pressure source, and also to a method of performing such an injection. The device comprises a storage chamber 6, for the liquid or the liquid precursor components, comprising a storage barrel 16 with at le
6858846 Delivery device and method for its operation February 22, 2005
Provided is a method for operating a preparation delivery device wherein the device comprises a) a container for the preparation having, or being prepared for the arrangement of, an opening, b) a mechanism operable to deliver at least part of the preparation in the container through the
6807797 Prefilled ampoules and manufacture thereof October 26, 2004
A syringe type ampoule having a) a barrel with a front end and a rear end defining an axis therebetween, the barrel having substantially constant cross-section between the front end and the rear end, at least the front end ending in an opening, b) a sealer attached to the front end and
6740062 Medical device May 25, 2004
The invention relates to an injector device for delivery of liquid from a high pressure source, and also to a method of performing such an injection. The device comprises a storage chamber 6, for the liquid or the liquid precursor components, comprising a storage barrel 16 with at least
6709416 Arrangement in electronically controlled injection devices March 23, 2004
In an electronically controlled injection device for the administering of one or more injections from an injection cartridge, the readying of the device for administrating and the subsequent administering therefrom are controlled by an electronic control unit. This control unit comprises
6689101 Medical arrangement February 10, 2004
An injector device for delivery of liquid from a high pressure, the device comprising a housing, a pressure chamber 2 comprising a pressure barrel 4 for accommodation of at least one piston therein and having a front end opening 6 for ejection of the liquid, the pressure chamber being of
6664534 Tilt sensing device and method for its operation December 16, 2003
A tilt sensing device and method for its operation, the device being of the type comprising a) a housing, b) a radiation transmitter and a radiation receiver arranged in or at the housing to form a beam path therebetween, c) a radiation obstructing or deflecting body movable in relation
6634076 Structure and method for joining parts October 21, 2003
The invention relates to an article of manufacture comprising a partial or complete tubular primary part defining a tube axis and having an at least partially curved circumferential wall at least partially encircling the axis; said wall comprising a joint edge, defining a) a joint line a
6599272 Injection device and method for its operation July 29, 2003
Injector devices and methods for their operation for containers having an opening with or for an injection needle. The container is optionally of syringe type with a barrel of substantially constant axial cross-section. In one embodiment, the devices include a penetration arrangement ope
6562006 Injector device and method for its operation May 13, 2003
Injector device, and method for its operation, for containers of syringe type, comprising a barrel of axially roughly constant cross-section, a front opening and at least one movable wall inserted in the barrel for displacement of a container content, the injector comprising a) a housing
6558395 Intraocular lens implanter May 6, 2003
A device for deforming and ejecting a deformable intraocular lens for insertion into a small incision in an eye, the device comprising a) a housing, b) a lens transporting duct in a front part of the housing defining a duct axis, the duct having a front end with a cross-section adapt
6547755 Automated delivery device and method for its operation April 15, 2003
A delivery device including a) a housing, b) a container for a fluid arranged in the housing, the container having an opening, c) a delivery conduit connected in fluid communication with the opening, the conduit having a front end in flow respect distal from the container and a rear
6392223 Tilt sensing device and method for its operation May 21, 2002
A tilt sensing device and method for its operation, the device being of the type comprising (a) a housing, (b) a radiation transmitter and a radiation receiver arranged in or at the housing to form a beam path therebetween, (c) a radiation obstructing or deflecting body movable in relati
6391414 Structure and method for joining parts May 21, 2002
The invention relates to an article of manufacture comprising a partial or complete tubular primary part defining a tube axis and having an at least partially curved circumferential wall at least partially encircling the axis; said wall comprising a joint edge, defining a) a joint line a
6383167 Injection device May 7, 2002
The invention relates to an injection device for injecting a selectable dose of a liquid substance from an ampoule, located in an ampoule holder, comprising a piston and a sleeve-shaped mechanism holder, mechanically coupled thereto, in the interior of which a longitudinally shiftable sh
6299601 Arrangement in electronically controlled injection devices and method October 9, 2001
A device and method for administering one or more injections from an injection cartridge ensures that administration may be performed only if the device is oriented in a predetermined direction. The device features a holding device for the injection cartridge, the holding device having a
6290680 Prefilled ampoules and manufacture thereof September 18, 2001
A syringe type ampoule having a) a barrel with a front end and a rear end defining an axis therebetween, the barrel having substantially constant cross-section between the front end and the rear end, at least the front end ending in an opening, b) a sealer attached to the front end and
6277101 Injection device August 21, 2001
An injection device for injecting a preselectable dose of a liquid substance from an ampoule (2) with a stopper (12) located in an ampoule-holder (1) has a sleeve-shaped mechanism holder (3) mechanically linked to the stopper (12) and containing a sliding rod (4) which acts on the am
6221051 Delivery device and method for its operation April 24, 2001
A preparation delivery device comprising a) a container for the preparation having or being prepared for the arrangement of an opening, b) a mechanism operable to deliver at least part of the preparation in the container through the opening, c) attachment means for connection of the cont
6213977 Limited depth penetration needle housing April 10, 2001
Disclosed are methods and means for facilitating injection which enable a correct penetration depth of the needle. These improvements are obtainable by using a needle covering device comprising an axially displaceable first tubular sleeve (30) arranged around the front part of said injec
6171276 Automated delivery device and method for its operation January 9, 2001
A delivery device including a) a housing, b) a container for a fluid arranged in the housing, the container having an opening, c) a delivery conduit connected in fluid communication with the opening, the conduit having a front end in flow respect distal from the container and a rear
6134920 Method of preparing glass cartridges October 24, 2000
Methods of plastically forming an axially extended zone of the interior surface of a hollow glass tube heated to its forming temperature employ a generally cylindrical embossing mandrel connected to a driving shaft. The hollow glass tube and the embossing mandrel are brought together at
6042571 Injection device March 28, 2000
An injection device comprising a) a housing, b) a cartridge containing a preparation or precursor components for the preparation and having a front part and a rear part defining a general cartridge axis, an outlet for the preparation arranged at the front part and at least one movable wa
5989221 Arrangement in electronically controlled injection devices November 23, 1999
In an electronically controlled injection device for the administering of one or more injections from an injection cartridge, the readying of the device for administering and the subsequent administering therefrom are controlled by an electronic control unit. This control unit comprises
5873856 Limited depth penetration needle housing February 23, 1999
Disclosed are methods and means for facilitating injection which enable a correct penetration depth of the needle. These improvements are obtainable by using a needle covering device comprising an axially displaceable first tubular sleeve (30) arranged around the front part of said injec
5810778 Apparatus for controlled delivery of liquids September 22, 1998
An apparatus for a controlled delivery of a liquid preparation from a cylindrical liquid container, which has a liquid outlet at its front end and a movable wall, which acts like a piston at its rear end is provided. The driving force acting on the movable wall for expelling the liquid f
5769824 Apparatus for controlled delivery of liquids June 23, 1998
An apparatus for controlled delivery of a liquid consists of a delivery unit which comprises a liquid container (3) having at least one movable wall (12) and a liquid outlet which is provided with a flow restriction, and a power unit which comprises a second container (21) which also has
5743890 Pistons for injection cartridges April 28, 1998
A piston (11) to be used in displacing a liquid inside a cylindrical chamber, such as in an injection cartridge of the dual-chamber type, has at least one of its end surfaces (12) shaped convex such that said end surface or surfaces (12) are essentially planar when the piston has been
5735824 Device for metering and administering a liquid preparation April 7, 1998
An injection device is provided for the infinitely variable metering and administering of a liquid preparation from a multi-dose injection cartridge having a rear piston which may be moved forward by means of a piston rod. The longitudinal movement of the piston rod is governed by two
5716338 Dual-chamber type injection cartridge with bypass connection February 10, 1998
An injection cartridge (1) of the dual-chamber type having a bypass connection (12) between its two chambers (9, 10) which is arranged such that the interior wall of the cartridge is modified in a predetermined area in such a way that the movable wall (11) between the two chambers do
5679111 Device for dosing a liquid preparation October 21, 1997
An injection device is provided for a continuously variable metering and administering of a liquid preparation and having a holder device for a multi-dose injection cartridge, the rear piston of which may be moved forward by means of a piston rod. The piston rod is provided with rele
5549561 Injection cartridge arrangement August 27, 1996
An injection cartridge of the dual-chamber type and containing a solid product in a front chamber and a liquid product in a rear chamber further contains in the front chamber a medium that is soluble in the liquid product, and which preferably is a soluble gas. By this arrangement, the
5545144 Method and device for dosing a liquid preparation August 13, 1996
A liquid preparation of a pharmaceutically active agent having a defined composation is repeatedly dosed from a multi-dose container having a defined volume. The amount dosed is selected as 1/N of the volume of the multi-dose container, N being an integer having a value of 2 or higher.A
5501673 Injection cartridge March 26, 1996
An injection cartridge of the dual-chamber type has a bypass connection between its two chambers which is arranged such that the interior wall of the cartridge is modified in a determined area in such a way that the movable wall between the two chambers does not seal completely against t
5435076 Injection device July 25, 1995
A device for an injection apparatus, including a dual-chamber injection cartridge. The cartridge includes a front end, a rear end, a front opening in the vicinity of a front end of the cartridge, a front chamber located in the vicinity of the front opening and including a drug freeze-dri
5417662 Injection needle arrangement May 23, 1995
A device for limiting the penetration of an injection needle when an injection is administered from an injection apparatus comprises an exterior sleeve (1) arranged around the front part of the injection apparatus (2). In its foremost position, the sleeve (1) surrounds the needle (8)
5394907 Device and method for dosing a liquid product March 7, 1995
Device and method for dosing a liquid product from a tubular container are provided. The container includes a plurality of doses of the liquid product and a plate for pinching the container together locally such that it is divided into a plurality of separate liquid chambers containing a
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