| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR542744T | 1921-10-26 |
| Publication Number | Publication Date |
|---|---|
| FR542744Atrue FR542744A (en) | 1922-08-21 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR542744DExpiredFR542744A (en) | 1921-10-26 | 1921-10-26 | Diaphragm speculum, with multiple branches and double opening movement |
| Country | Link |
|---|---|
| FR (1) | FR542744A (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4130113A (en)* | 1976-12-15 | 1978-12-19 | Richards Manufacturing Co., Inc. | Retractor |
| FR2444450A1 (en)* | 1978-12-18 | 1980-07-18 | Arts Tech Nles | Speculum with plastic jaws moulded with an integral hinge - using the material elasticity to assist parting of the jaws |
| US5183032A (en)* | 1990-02-20 | 1993-02-02 | Villalta Josue J | Medical retractor device |
| WO1994012091A1 (en)* | 1992-12-03 | 1994-06-09 | Patton Michael T | Speculum for dilating a body cavity |
| US5400774A (en)* | 1993-11-08 | 1995-03-28 | Villalta; Josue J. | Four blade medical retractor |
| EP0591253A4 (en)* | 1991-06-06 | 1995-07-05 | Meditech Int Pty Ltd | Speculum. |
| US5667481A (en)* | 1995-02-01 | 1997-09-16 | Villalta; Josue J. | Four blade medical retractor |
| WO2007044673A1 (en)* | 2005-10-07 | 2007-04-19 | Alphatec Spine, Inc. | Retractor and methods of use |
| EP1959844A4 (en)* | 2005-12-15 | 2009-09-09 | Microdel Idea Ct Ltd | Improved radial expansible retractor for minimally invasive surgery |
| CN102038998A (en)* | 2009-10-15 | 2011-05-04 | 韦伯斯特生物官能公司 | Catheter sheath introducer with rotational lock |
| US8727975B1 (en) | 2013-05-10 | 2014-05-20 | Spine Wave, Inc. | Retractor for use in spinal surgery |
| US9693762B2 (en) | 2014-03-03 | 2017-07-04 | Alphatec Spine, Inc. | Soft tissue retractor |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4130113A (en)* | 1976-12-15 | 1978-12-19 | Richards Manufacturing Co., Inc. | Retractor |
| FR2444450A1 (en)* | 1978-12-18 | 1980-07-18 | Arts Tech Nles | Speculum with plastic jaws moulded with an integral hinge - using the material elasticity to assist parting of the jaws |
| US5183032A (en)* | 1990-02-20 | 1993-02-02 | Villalta Josue J | Medical retractor device |
| EP0591253A4 (en)* | 1991-06-06 | 1995-07-05 | Meditech Int Pty Ltd | Speculum. |
| US5509893A (en)* | 1991-06-06 | 1996-04-23 | Meditech International Pty Ltd. | Speculum |
| WO1994012091A1 (en)* | 1992-12-03 | 1994-06-09 | Patton Michael T | Speculum for dilating a body cavity |
| US5377667A (en)* | 1992-12-03 | 1995-01-03 | Michael T. Patton | Speculum for dilating a body cavity |
| US5505690A (en)* | 1992-12-03 | 1996-04-09 | Michael T. Patton | Speculum for dilating a body cavity |
| US5400774A (en)* | 1993-11-08 | 1995-03-28 | Villalta; Josue J. | Four blade medical retractor |
| US5667481A (en)* | 1995-02-01 | 1997-09-16 | Villalta; Josue J. | Four blade medical retractor |
| US7780594B2 (en) | 2005-10-07 | 2010-08-24 | Alphatec Spine, Inc. | Retractor and methods of use |
| WO2007044673A1 (en)* | 2005-10-07 | 2007-04-19 | Alphatec Spine, Inc. | Retractor and methods of use |
| EP1959844A4 (en)* | 2005-12-15 | 2009-09-09 | Microdel Idea Ct Ltd | Improved radial expansible retractor for minimally invasive surgery |
| US8152721B2 (en) | 2005-12-15 | 2012-04-10 | Microdel Idea Center Ltd. | Radial expansible retractor for minimally invasive surgery |
| CN102038998A (en)* | 2009-10-15 | 2011-05-04 | 韦伯斯特生物官能公司 | Catheter sheath introducer with rotational lock |
| US10194937B2 (en) | 2009-10-15 | 2019-02-05 | Biosense Webster, Inc. | Catheter sheath introducer with rotational lock |
| CN102038998B (en)* | 2009-10-15 | 2016-04-20 | 韦伯斯特生物官能公司 | There is the catheter sheath conductor of rotation lock |
| US9498200B2 (en) | 2013-05-10 | 2016-11-22 | Spine Wave, Inc. | Method of retracting body tissue during surgery |
| US9545250B2 (en) | 2013-05-10 | 2017-01-17 | Spine Wave, Inc | Kit of parts for use in retracting body tissue |
| US8727975B1 (en) | 2013-05-10 | 2014-05-20 | Spine Wave, Inc. | Retractor for use in spinal surgery |
| US9693762B2 (en) | 2014-03-03 | 2017-07-04 | Alphatec Spine, Inc. | Soft tissue retractor |
| EP3113688A4 (en)* | 2014-03-03 | 2017-11-22 | Alphatec Spine, Inc. | Soft tissue retractor |
| EP3741307A1 (en)* | 2014-03-03 | 2020-11-25 | Alphatec Spine, Inc. | Soft tissue retractor |
| US11134935B2 (en) | 2014-03-03 | 2021-10-05 | Alphatec Spine, Inc. | Soft tissue retractor |
| US11826030B2 (en) | 2014-03-03 | 2023-11-28 | Alphatec Spine, Inc. | Soft tissue retractor |
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|---|---|---|
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