GB1507329A - Device for locating a position on the skin of a patient below which position lies a vessel through which body fluid flows and for the introduction of a puncturing cannula into the vessel - Google Patents
Device for locating a position on the skin of a patient below which position lies a vessel through which body fluid flows and for the introduction of a puncturing cannula into the vesselInfo
- Publication number
- GB1507329A GB1507329A GB4233675A GB4233675A GB1507329A GB 1507329 A GB1507329 A GB 1507329A GB 4233675 A GB4233675 A GB 4233675A GB 4233675 A GB4233675 A GB 4233675A GB 1507329 A GB1507329 A GB 1507329A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vessel
- jaw
- cannula
- groove
- locating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 210000001124 body fluid Anatomy 0.000 title abstract 2
- 239000010839 body fluid Substances 0.000 title abstract 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Clinical applications
- A61B8/0833—Clinical applications involving detecting or locating foreign bodies or organic structures
- A61B8/0841—Clinical applications involving detecting or locating foreign bodies or organic structures for locating instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Clinical applications
- A61B8/0833—Clinical applications involving detecting or locating foreign bodies or organic structures
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/42—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for desensitising skin, for protruding skin to facilitate piercing, or for locating point where body is to be pierced
- A61M5/427—Locating point where body is to be pierced, e.g. vein location means using ultrasonic waves, injection site templates
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Pulmonology (AREA)
- Dermatology (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
1507329 Positioning and inserting a puncturing cannula SIEMENS AG 15 Oct 1975 [4 Nov 1974] 42336/75 Heading A5R A device for the location of a position on the skin of a patient at which position lies a vessel through which body fluid flows and for the introduction of a puncturing cannula into the vessel, comprises ultrasonic Doppler apparatus 3 of the kind disclosed in U.K. Specification 1298707, for locating the vessel and having the head portion 6 thereof held in an element 2 of resilient metal, a jaw 7 which contains a groove 14 and Which may be damped against element 2, groove 14 then defining a duct with element 2 for guiding a cannula therethrough, and a pair of levers 8, 10, lever 8 being connected to jaw 7 and pivotally connected at 9 to lever 10, which is fixed to element 2, compression of the levers against the force of a spring 13 lifting jaw 7 off element 2 to allow the device to be readily separated from the cannula when the cannula has been inserted into a desired vessel. The jaw 7 may contain a plurality of grooves of different cross - section to accommodate different sizes of cannulae, the jaw 7 being rotatable to orient a desired groove in the direction of the located vessel. The holding element 2 may contain a groove instead of or as well as the jaw. Alternatively a further jaw may be mounted to be displaceable with element 2, the duct then being formed by two grooves formed one in each jaw.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE7436778 | 1974-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1507329A true GB1507329A (en) | 1978-04-12 |
Family
ID=6647325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4233675A Expired GB1507329A (en) | 1974-11-04 | 1975-10-15 | Device for locating a position on the skin of a patient below which position lies a vessel through which body fluid flows and for the introduction of a puncturing cannula into the vessel |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2289149A1 (en) |
| GB (1) | GB1507329A (en) |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4360025A (en) | 1980-04-01 | 1982-11-23 | Kingsdown Medical Consultants, Ltd. | Catheter retainer |
| US7983738B2 (en) | 2006-01-10 | 2011-07-19 | Accuvein, Llc | Three dimensional imaging of veins |
| US8073531B2 (en) | 2006-01-10 | 2011-12-06 | Accuvein, Llc | Micro vein enhancer |
| US8255040B2 (en) | 2006-06-29 | 2012-08-28 | Accuvein, Llc | Micro vein enhancer |
| US8380291B2 (en) | 2006-06-29 | 2013-02-19 | Accuvein Inc. | Scanned laser vein contrast enhancer |
| US8463364B2 (en) | 2009-07-22 | 2013-06-11 | Accuvein Inc. | Vein scanner |
| US8489178B2 (en) | 2006-06-29 | 2013-07-16 | Accuvein Inc. | Enhanced laser vein contrast enhancer with projection of analyzed vein data |
| US8594770B2 (en) | 2006-06-29 | 2013-11-26 | Accuvein, Inc. | Multispectral detection and presentation of an object's characteristics |
| US8665507B2 (en) | 2006-06-29 | 2014-03-04 | Accuvein, Inc. | Module mounting mirror endoscopy |
| US8730321B2 (en) | 2007-06-28 | 2014-05-20 | Accuvein, Inc. | Automatic alignment of a contrast enhancement system |
| TWI481388B (en) * | 2006-01-10 | 2015-04-21 | Accuvein Llc | Micro vein enhancer |
| US9061109B2 (en) | 2009-07-22 | 2015-06-23 | Accuvein, Inc. | Vein scanner with user interface |
| US9492117B2 (en) | 2006-01-10 | 2016-11-15 | Accuvein, Inc. | Practitioner-mounted micro vein enhancer |
| US9782079B2 (en) | 2012-08-02 | 2017-10-10 | Accuvein, Inc. | Device for detecting and illuminating the vasculature using an FPGA |
| US9854977B2 (en) | 2006-01-10 | 2018-01-02 | Accuvein, Inc. | Scanned laser vein contrast enhancer using a single laser, and modulation circuitry |
| US10238294B2 (en) | 2006-06-29 | 2019-03-26 | Accuvein, Inc. | Scanned laser vein contrast enhancer using one laser |
| US10376147B2 (en) | 2012-12-05 | 2019-08-13 | AccuVeiw, Inc. | System and method for multi-color laser imaging and ablation of cancer cells using fluorescence |
| CN110536653A (en) * | 2017-04-28 | 2019-12-03 | 爱德华兹生命科学公司 | Stabilizing apparatus and method of use for medical devices |
| US10813588B2 (en) | 2006-01-10 | 2020-10-27 | Accuvein, Inc. | Micro vein enhancer |
| US11253198B2 (en) | 2006-01-10 | 2022-02-22 | Accuvein, Inc. | Stand-mounted scanned laser vein contrast enhancer |
| US11278240B2 (en) | 2006-01-10 | 2022-03-22 | Accuvein, Inc. | Trigger-actuated laser vein contrast enhancer |
| US12048560B2 (en) | 2006-01-10 | 2024-07-30 | Accuvein, Inc. | Vein scanner configured for single-handed lifting and use |
| US12295744B2 (en) | 2006-01-10 | 2025-05-13 | Accuvein, Inc. | Micro vein enhancer with two lasers and two optical detectors configured for removing surface topology |
| US12408865B2 (en) | 2006-01-10 | 2025-09-09 | Accuvein Inc. | Vein imaging device with differential image resolution at the center and the extremities of the vein image |
| US12471844B2 (en) | 2006-06-29 | 2025-11-18 | Accuvein, Inc. | Scanned laser vein contrast enhancer with full stopping of scanner movement during scan line reversals |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4469106A (en) * | 1982-09-02 | 1984-09-04 | Advanced Technology Laboratories, Inc. | Needle guide for use with medical ultrasonic scanning apparatus |
-
1975
- 1975-10-15 GB GB4233675A patent/GB1507329A/en not_active Expired
- 1975-10-31 FR FR7533392A patent/FR2289149A1/en active Granted
Cited By (86)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4360025A (en) | 1980-04-01 | 1982-11-23 | Kingsdown Medical Consultants, Ltd. | Catheter retainer |
| US11191482B2 (en) | 2006-01-10 | 2021-12-07 | Accuvein, Inc. | Scanned laser vein contrast enhancer imaging in an alternating frame mode |
| US9492117B2 (en) | 2006-01-10 | 2016-11-15 | Accuvein, Inc. | Practitioner-mounted micro vein enhancer |
| US8150500B2 (en) | 2006-01-10 | 2012-04-03 | Accuvein Inc. | Micro vein enhancer |
| US12089951B2 (en) | 2006-01-10 | 2024-09-17 | AccuVeiw, Inc. | Scanned laser vein contrast enhancer with scanning correlated to target distance |
| US12048560B2 (en) | 2006-01-10 | 2024-07-30 | Accuvein, Inc. | Vein scanner configured for single-handed lifting and use |
| US8295904B2 (en) | 2006-01-10 | 2012-10-23 | Accuvein, Llc | Micro vein enhancer |
| US12295744B2 (en) | 2006-01-10 | 2025-05-13 | Accuvein, Inc. | Micro vein enhancer with two lasers and two optical detectors configured for removing surface topology |
| US11642080B2 (en) | 2006-01-10 | 2023-05-09 | Accuvein, Inc. | Portable hand-held vein-image-enhancing device |
| US11638558B2 (en) | 2006-01-10 | 2023-05-02 | Accuvein, Inc. | Micro vein enhancer |
| US8478386B2 (en) | 2006-01-10 | 2013-07-02 | Accuvein Inc. | Practitioner-mounted micro vein enhancer |
| US7983738B2 (en) | 2006-01-10 | 2011-07-19 | Accuvein, Llc | Three dimensional imaging of veins |
| US11484260B2 (en) | 2006-01-10 | 2022-11-01 | Accuvein, Inc. | Patient-mounted micro vein enhancer |
| US11399768B2 (en) | 2006-01-10 | 2022-08-02 | Accuvein, Inc. | Scanned laser vein contrast enhancer utilizing surface topology |
| US8712498B2 (en) | 2006-01-10 | 2014-04-29 | Accuvein Inc. | Micro vein enhancer |
| US11357449B2 (en) | 2006-01-10 | 2022-06-14 | Accuvein, Inc. | Micro vein enhancer for hands-free imaging for a venipuncture procedure |
| US8750970B2 (en) | 2006-01-10 | 2014-06-10 | Accu Vein, Inc. | Micro vein enhancer |
| US8818493B2 (en) | 2006-01-10 | 2014-08-26 | Accuvein, Inc. | Three-dimensional imaging of veins |
| US11278240B2 (en) | 2006-01-10 | 2022-03-22 | Accuvein, Inc. | Trigger-actuated laser vein contrast enhancer |
| TWI481388B (en) * | 2006-01-10 | 2015-04-21 | Accuvein Llc | Micro vein enhancer |
| US9042966B2 (en) | 2006-01-10 | 2015-05-26 | Accuvein, Inc. | Three dimensional imaging of veins |
| US9044207B2 (en) | 2006-01-10 | 2015-06-02 | Accuvein, Inc. | Micro vein enhancer for use with a vial holder |
| US11253198B2 (en) | 2006-01-10 | 2022-02-22 | Accuvein, Inc. | Stand-mounted scanned laser vein contrast enhancer |
| US9125629B2 (en) | 2006-01-10 | 2015-09-08 | Accuvein, Inc. | Vial-mounted micro vein enhancer |
| US11172880B2 (en) | 2006-01-10 | 2021-11-16 | Accuvein, Inc. | Vein imager with a dual buffer mode of operation |
| US11109806B2 (en) | 2006-01-10 | 2021-09-07 | Accuvein, Inc. | Three dimensional imaging of veins |
| US10813588B2 (en) | 2006-01-10 | 2020-10-27 | Accuvein, Inc. | Micro vein enhancer |
| US10617352B2 (en) | 2006-01-10 | 2020-04-14 | Accuvein, Inc. | Patient-mounted micro vein enhancer |
| US10258748B2 (en) | 2006-01-10 | 2019-04-16 | Accuvein, Inc. | Vein scanner with user interface for controlling imaging parameters |
| US12408865B2 (en) | 2006-01-10 | 2025-09-09 | Accuvein Inc. | Vein imaging device with differential image resolution at the center and the extremities of the vein image |
| US12496012B2 (en) | 2006-01-10 | 2025-12-16 | Accuvein, Inc. | Scanned laser vein contrast enhancer with eye safety protection with respect to emitted laser light |
| US9788787B2 (en) | 2006-01-10 | 2017-10-17 | Accuvein, Inc. | Patient-mounted micro vein enhancer |
| US10500350B2 (en) | 2006-01-10 | 2019-12-10 | Accuvein, Inc. | Combination vein contrast enhancer and bar code scanning device |
| US9788788B2 (en) | 2006-01-10 | 2017-10-17 | AccuVein, Inc | Three dimensional imaging of veins |
| US9854977B2 (en) | 2006-01-10 | 2018-01-02 | Accuvein, Inc. | Scanned laser vein contrast enhancer using a single laser, and modulation circuitry |
| US9949688B2 (en) | 2006-01-10 | 2018-04-24 | Accuvein, Inc. | Micro vein enhancer with a dual buffer mode of operation |
| US10470706B2 (en) | 2006-01-10 | 2019-11-12 | Accuvein, Inc. | Micro vein enhancer for hands-free imaging for a venipuncture procedure |
| US8073531B2 (en) | 2006-01-10 | 2011-12-06 | Accuvein, Llc | Micro vein enhancer |
| US12446825B2 (en) | 2006-01-10 | 2025-10-21 | Accuvein, Inc. | Scanned laser vein contrast enhancer with image averaging |
| US12193838B2 (en) | 2006-06-29 | 2025-01-14 | Accuvein, Inc. | Scanned laser vein contrast enhancer with reduced laser intensity during scan line reversals |
| US12471844B2 (en) | 2006-06-29 | 2025-11-18 | Accuvein, Inc. | Scanned laser vein contrast enhancer with full stopping of scanner movement during scan line reversals |
| US10357200B2 (en) | 2006-06-29 | 2019-07-23 | Accuvein, Inc. | Scanning laser vein contrast enhancer having releasable handle and scan head |
| US8244333B2 (en) | 2006-06-29 | 2012-08-14 | Accuvein, Llc | Scanned laser vein contrast enhancer |
| US8255040B2 (en) | 2006-06-29 | 2012-08-28 | Accuvein, Llc | Micro vein enhancer |
| US8380291B2 (en) | 2006-06-29 | 2013-02-19 | Accuvein Inc. | Scanned laser vein contrast enhancer |
| US8391960B2 (en) | 2006-06-29 | 2013-03-05 | Accuvein Inc. | Scanned laser vein contrast enhancer |
| US11523739B2 (en) | 2006-06-29 | 2022-12-13 | Accuvein, Inc. | Multispectral detection and presentation of an object's characteristics |
| US8489178B2 (en) | 2006-06-29 | 2013-07-16 | Accuvein Inc. | Enhanced laser vein contrast enhancer with projection of analyzed vein data |
| US9186063B2 (en) | 2006-06-29 | 2015-11-17 | Accu Vein, Inc. | Scanned laser vein contrast enhancer using one laser for a detection mode and a display mode |
| US8594770B2 (en) | 2006-06-29 | 2013-11-26 | Accuvein, Inc. | Multispectral detection and presentation of an object's characteristics |
| US8665507B2 (en) | 2006-06-29 | 2014-03-04 | Accuvein, Inc. | Module mounting mirror endoscopy |
| US9345427B2 (en) | 2006-06-29 | 2016-05-24 | Accuvein, Inc. | Method of using a combination vein contrast enhancer and bar code scanning device |
| US11051755B2 (en) | 2006-06-29 | 2021-07-06 | Accuvein, Inc. | Scanned laser vein contrast enhancer using a retro collective mirror |
| US11051697B2 (en) | 2006-06-29 | 2021-07-06 | Accuvein, Inc. | Multispectral detection and presentation of an object's characteristics |
| US9226664B2 (en) | 2006-06-29 | 2016-01-05 | Accuvein, Inc. | Scanned laser vein contrast enhancer using a single laser |
| US8838210B2 (en) | 2006-06-29 | 2014-09-16 | AccuView, Inc. | Scanned laser vein contrast enhancer using a single laser |
| US10238294B2 (en) | 2006-06-29 | 2019-03-26 | Accuvein, Inc. | Scanned laser vein contrast enhancer using one laser |
| US10580119B2 (en) | 2007-06-28 | 2020-03-03 | Accuvein, Inc. | Automatic alignment of a contrast enhancement system |
| US9760982B2 (en) | 2007-06-28 | 2017-09-12 | Accuvein, Inc. | Automatic alignment of a contrast enhancement system |
| US11132774B2 (en) | 2007-06-28 | 2021-09-28 | Accuvein, Inc. | Automatic alignment of a contrast enhancement system |
| US8730321B2 (en) | 2007-06-28 | 2014-05-20 | Accuvein, Inc. | Automatic alignment of a contrast enhancement system |
| US10713766B2 (en) | 2007-06-28 | 2020-07-14 | Accuvein, Inc. | Automatic alignment of a contrast enhancement system |
| US10096096B2 (en) | 2007-06-28 | 2018-10-09 | Accuvein, Inc. | Automatic alignment of a contrast enhancement system |
| US9430819B2 (en) | 2007-06-28 | 2016-08-30 | Accuvein, Inc. | Automatic alignment of a contrast enhancement system |
| US11847768B2 (en) | 2007-06-28 | 2023-12-19 | Accuvein Inc. | Automatic alignment of a contrast enhancement system |
| US8463364B2 (en) | 2009-07-22 | 2013-06-11 | Accuvein Inc. | Vein scanner |
| US10518046B2 (en) | 2009-07-22 | 2019-12-31 | Accuvein, Inc. | Vein scanner with user interface |
| US12426835B2 (en) | 2009-07-22 | 2025-09-30 | Accuvein, Inc. | Vein scanner with housing configured for single-handed lifting and use |
| USD999380S1 (en) | 2009-07-22 | 2023-09-19 | Accuvein, Inc. | Vein imager and cradle in combination |
| US9789267B2 (en) | 2009-07-22 | 2017-10-17 | Accuvein, Inc. | Vein scanner with user interface |
| US11826166B2 (en) | 2009-07-22 | 2023-11-28 | Accuvein, Inc. | Vein scanner with housing configured for single-handed lifting and use |
| US9061109B2 (en) | 2009-07-22 | 2015-06-23 | Accuvein, Inc. | Vein scanner with user interface |
| US12433535B2 (en) | 2009-07-22 | 2025-10-07 | Accuvein, Inc. | Method and system for optimizing a projected vein image and identifying vein locations using vein scanner |
| US12318219B2 (en) | 2009-07-22 | 2025-06-03 | Accuvein Inc. | Vein scanner with limited photodiode FOV moving synchronously with scanned laser light |
| USD998152S1 (en) | 2010-07-22 | 2023-09-05 | Accuvein, Inc. | Vein imager cradle |
| USD999379S1 (en) | 2010-07-22 | 2023-09-19 | Accuvein, Inc. | Vein imager and cradle in combination |
| US11510617B2 (en) | 2012-08-02 | 2022-11-29 | Accuvein, Inc. | Device for detecting and illuminating the vasculature using an FPGA |
| US10568518B2 (en) | 2012-08-02 | 2020-02-25 | Accuvein, Inc. | Device for detecting and illuminating the vasculature using an FPGA |
| US9782079B2 (en) | 2012-08-02 | 2017-10-10 | Accuvein, Inc. | Device for detecting and illuminating the vasculature using an FPGA |
| US11439307B2 (en) | 2012-12-05 | 2022-09-13 | Accuvein, Inc. | Method for detecting fluorescence and ablating cancer cells of a target surgical area |
| US10517483B2 (en) | 2012-12-05 | 2019-12-31 | Accuvein, Inc. | System for detecting fluorescence and projecting a representative image |
| US10376148B2 (en) | 2012-12-05 | 2019-08-13 | Accuvein, Inc. | System and method for laser imaging and ablation of cancer cells using fluorescence |
| US10376147B2 (en) | 2012-12-05 | 2019-08-13 | AccuVeiw, Inc. | System and method for multi-color laser imaging and ablation of cancer cells using fluorescence |
| CN110536653B (en) * | 2017-04-28 | 2023-09-29 | 爱德华兹生命科学公司 | Stabilization equipment and methods of use for medical devices |
| CN110536653A (en) * | 2017-04-28 | 2019-12-03 | 爱德华兹生命科学公司 | Stabilizing apparatus and method of use for medical devices |
| US12472028B2 (en) | 2017-04-28 | 2025-11-18 | Edwards Lifesciences Corporation | Medical device stabilizing apparatus and method of use |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2289149B1 (en) | 1978-05-19 |
| FR2289149A1 (en) | 1976-05-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |