JPWO2020003064A5 - - Google Patents
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- JPWO2020003064A5 JPWO2020003064A5 JP2020573015A JP2020573015A JPWO2020003064A5 JP WO2020003064 A5 JPWO2020003064 A5 JP WO2020003064A5 JP 2020573015 A JP2020573015 A JP 2020573015A JP 2020573015 A JP2020573015 A JP 2020573015A JP WO2020003064 A5 JPWO2020003064 A5 JP WO2020003064A5
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- glycolide
- lactide
- absorbent
- polymerized
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Claims (26)
A)第1段階重合において反応容器内で完全に非晶質のプレポリマー反応生成物を形成する工程であって、開始剤としてジエチレングリコールの存在下、かつ、触媒の存在下で、約30モルパーセント~約80モルパーセントの前記重合ラクチドを約20モルパーセント~約70モルパーセントの前記重合グリコリドと重合させることにより、前記中央セグメントBへの前駆体をもたらし、前記第1段階重合の総反応時間が、ラクチドモノマーを少なくとも98モルパーセントまで重合するのに十分である、工程と、
B)先行する前記工程の反応生成物内に固体又は溶融形態の追加のグリコリドモノマーを添加する工程であって、プレポリマーと添加された前記グリコリドモノマーとの完全な混合を可能にして反応塊を形成するのに十分な撹拌速度の前記反応容器内で行われる、工程と、
C)前記反応塊を溶融状態に維持するために反応器バッチ温度を調整する工程と、
D)前記撹拌速度を低下させ、十分な変換が達成されるまで反応を継続する工程と、を含み、
前記重合グリコリドの総量は、前記吸収性コポリマーの約88モルパーセント~約92モルパーセントであり、前記重合ラクチドの量は、前記吸収性コポリマーの約8モルパーセント~約12モルパーセントである、方法。 A method of making an absorbent copolymer of structures ABA comprising a terminal segment A and a central segment B, wherein the terminal segment A contains a polymerized glycolide and the central segment B contains a polymerized glycolide and a polymerized lactide. , The above method
A) In the first stage polymerization, a step of forming a completely amorphous prepolymer reaction product in a reaction vessel, in the presence of diethylene glycol as an initiator and in the presence of a catalyst, approximately 30 mol%. By polymerizing ~ about 80 mol% of the polymerized lactide with about 20 mol% to about 70 mol% of the polymerized glycolide, a precursor to the central segment B is obtained and the total reaction time of the first stage polymerization is Sufficient to polymerize lactide monomers to at least 98 mol%, steps and
B) A step of adding a solid or melted form of additional glycolide monomer into the reaction product of the preceding step, which allows complete mixing of the prepolymer and the added glycolide monomer to allow a reaction mass. And the steps performed in the reaction vessel at a stirring rate sufficient to form the
C) A step of adjusting the reactor batch temperature in order to maintain the reaction mass in a molten state, and
D) Including the step of reducing the stirring rate and continuing the reaction until sufficient conversion is achieved.
The method, wherein the total amount of the polymerized glycolide is from about 88 mole percent to about 92 mole percent of the absorbent copolymer and the amount of the polymerized lactide is from about 8 mole percent to about 12 mole percent of the absorbent copolymer.
A)完全に非晶質のプレポリマー反応生成物を形成する工程であって、500:1~1,500:1(モノマーのモル数:開始剤のモル数)の濃度を有する開始剤としてジエチレングリコールの存在下、かつ、50,000:1~300,000:1(モノマーのモル数:触媒のモル数)の総量の触媒の存在下で、120分~180分間の第1段階の総反応時間にわたり、約30モルパーセント~約80モルパーセントの前記重合ラクチド及び約20モルパーセント~約70モルパーセントの前記重合グリコリドを約175℃~約195℃の温度で重合させることにより、前記中央セグメントBへの前駆体をもたらす、工程と、
B)先行する前記工程の反応生成物内に固体又は溶融形態の追加のグリコリドモノマーを添加する工程であって、プレポリマーと添加された前記グリコリドモノマーとの完全な混合を約30分~90分間以内に可能にするのに十分な第1の撹拌速度の反応容器内で行われる、工程と、
C)反応器バッチ温度を約205℃~210℃まで上昇させる工程と、
D)リアルタイムFT-NIR遠隔分光法によって測定するとき十分な変換が達成されるまで、前記第1の撹拌速度よりも約40パーセント~約70パーセント遅い、第2の撹拌速度まで、撹拌を減速する工程であって、総時間が上記工程Bのグリコリド添加後約150分~240分である、工程と、を含み、
前記重合グリコリドの総量は、前記吸収性コポリマーの約88モルパーセント~約92モルパーセントであり、前記重合ラクチドの量は、前記吸収性コポリマーの約8モルパーセント~約12モルパーセントである、方法。 A method of making an absorbent copolymer of structures ABA comprising a terminal segment A and a central segment B, wherein the terminal segment A contains a polymerized glycolide and the central segment B contains a polymerized glycolide and a polymerized lactide. , The above method
A) Diethylene glycol as an initiator having a concentration of 500: 1 to 1,500: 1 (number of moles of monomer: number of moles of initiator) in the step of forming a completely amorphous prepolymer reaction product. In the presence of the catalyst and in the presence of a total amount of catalyst of 50,000: 1 to 300,000: 1 (number of moles of monomer: number of moles of catalyst), the total reaction time of the first step of 120 minutes to 180 minutes. Over, about 30 mol% to about 80 mol% of the polymerized lactide and about 20 mol% to about 70 mol% of the polymerized glycolide are polymerized at a temperature of about 175 ° C. to about 195 ° C. to the central segment B. The process that results in the precursor of
B) A step of adding a solid or melted form of additional glycolide monomer into the reaction product of the preceding step, wherein the prepolymer and the added glycolide monomer are completely mixed for about 30 minutes to 90 minutes. With the steps performed in the reaction vessel at a first stirring rate sufficient to allow within a minute,
C ) The process of raising the reactor batch temperature to about 205 ° C to 210 ° C, and
D) Decelerate agitation to a second agitation rate, about 40 percent to about 70 percent slower than the first agitation rate, until sufficient conversion is achieved when measured by real-time FT-NIR remote spectroscopy. Including the step, the total time of which is about 150 minutes to 240 minutes after the addition of the glycolide in the above step B.
The method, wherein the total amount of the polymerized glycolide is from about 88 mole percent to about 92 mole percent of the absorbent copolymer and the amount of the polymerized lactide is from about 8 mole percent to about 12 mole percent of the absorbent copolymer.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/021,322 | 2018-06-28 | ||
US16/021,322 US11058792B2 (en) | 2018-06-28 | 2018-06-28 | Readily absorbable copolymer compositions for high strength sutures having enhanced strength retention post-implantation |
PCT/IB2019/055179 WO2020003064A2 (en) | 2018-06-28 | 2019-06-19 | Readily absorbable copolymer compositions for high strength sutures having enhanced strength retention post-implantation |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2021529597A JP2021529597A (en) | 2021-11-04 |
JPWO2020003064A5 true JPWO2020003064A5 (en) | 2022-06-22 |
JP7354161B2 JP7354161B2 (en) | 2023-10-02 |
Family
ID=68985930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020573015A Active JP7354161B2 (en) | 2018-06-28 | 2019-06-19 | Easily absorbable copolymer compositions for high strength sutures with improved post-implantation strength retention |
Country Status (9)
Country | Link |
---|---|
US (2) | US11058792B2 (en) |
EP (1) | EP3814098A4 (en) |
JP (1) | JP7354161B2 (en) |
KR (1) | KR20210024626A (en) |
CN (1) | CN112469550B (en) |
AU (1) | AU2019293360A1 (en) |
BR (1) | BR112020025759B1 (en) |
MX (1) | MX2020013797A (en) |
WO (1) | WO2020003064A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11136696B2 (en) | 2018-11-08 | 2021-10-05 | Ethicon, Inc. | Extrusion process for manufacturing of absorbable suture fibers |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3836297A (en) * | 1970-11-05 | 1974-09-17 | Armstrong Cork Co | Marbleizing apparatus |
US3839297A (en) | 1971-11-22 | 1974-10-01 | Ethicon Inc | Use of stannous octoate catalyst in the manufacture of l(-)lactide-glycolide copolymer sutures |
US4243775A (en) | 1978-11-13 | 1981-01-06 | American Cyanamid Company | Synthetic polyester surgical articles |
US5007923A (en) * | 1990-01-31 | 1991-04-16 | Ethicon, Inc. | Crystalline copolyesters of amorphous (lactide/glycolide) and p-dioxanone |
US5133739A (en) | 1990-02-06 | 1992-07-28 | Ethicon, Inc. | Segmented copolymers of ε-caprolactone and glycolide |
US5236444A (en) | 1992-10-27 | 1993-08-17 | United States Surgical Corporation | Absorbable polymers and surgical articles made therefrom |
DE19641335A1 (en) * | 1996-10-08 | 1998-04-09 | Inst Textil & Faserforschung | Triblock terpolymer, its use in surgical sutures and manufacturing methods |
US6007565A (en) * | 1997-09-05 | 1999-12-28 | United States Surgical | Absorbable block copolymers and surgical articles fabricated therefrom |
EP0908142B1 (en) | 1997-10-10 | 2006-05-03 | Ethicon, Inc. | Braided suture with improved knot strength and process to produce same |
US6183499B1 (en) * | 1998-09-11 | 2001-02-06 | Ethicon, Inc. | Surgical filament construction |
US6848152B2 (en) | 2001-08-31 | 2005-02-01 | Quill Medical, Inc. | Method of forming barbs on a suture and apparatus for performing same |
KR100453130B1 (en) | 2001-11-21 | 2004-10-15 | 한국과학기술연구원 | Sequentially Ordered Biodegradable Lactide(Glycolide or Lactide/Glycolide)/ε-Caprolactone Multi-Block Copolymer and Process for the Preparation Thereof |
US6476180B1 (en) | 2001-11-30 | 2002-11-05 | E. I. Du Pont De Nemours And Company | Process for producing an oriented shaped article |
US6831149B2 (en) | 2002-06-28 | 2004-12-14 | Ethicon, Inc. | Polymerization process using mono-and di-functional initiators to prepare fast crystallizing polylactone copolymers |
US20040185250A1 (en) | 2003-02-07 | 2004-09-23 | John Amy T. | Triclosan containing absorbable sutures with extended antimicrobial properties |
EP1555278A1 (en) | 2004-01-15 | 2005-07-20 | Innocore Technologies B.V. | Biodegradable multi-block co-polymers |
WO2007092419A2 (en) | 2006-02-07 | 2007-08-16 | Sevrain Lionel C | Method for non-invasive detection and treatment of cerebral aneurysms |
US7850894B2 (en) | 2006-05-04 | 2010-12-14 | Ethicon, Inc. | Tissue holding devices and methods for making the same |
EP1897500B1 (en) * | 2006-09-06 | 2009-07-29 | Tyco Healthcare Group, LP | Barbed sutures |
US8652506B2 (en) | 2008-06-05 | 2014-02-18 | Boston Scientific Scimed, Inc. | Bio-degradable block co-polymers for controlled release |
US9173978B2 (en) * | 2010-09-22 | 2015-11-03 | Ethicon, Inc. | Bioabsorbable polymeric compositions, processing methods, and medical devices therefrom |
US20130236499A1 (en) * | 2012-03-12 | 2013-09-12 | Sasa Andjelic | Segmented, Semicrystalline Poly(Lactide-co-epsilon-Caprolactone) Absorbable Copolymers |
US10675376B2 (en) * | 2012-05-24 | 2020-06-09 | Ethicon Llc | Mechanically strong absorbable polymeric blend compositions of precisely controllable absorption rates, processing methods, and products therefrom |
EP3030602B1 (en) | 2013-08-08 | 2019-06-12 | Eovations LLC | Plastics-based manufactured article and processes for forming said article |
CN105764539B (en) | 2013-11-27 | 2022-03-11 | 伊西康有限责任公司 | Absorbent polymer blend compositions having precisely controllable absorption rates, methods of processing, and dimensionally stable medical devices therefrom |
US9259514B2 (en) | 2013-12-18 | 2016-02-16 | Ethicon, Inc. | Absorbable polymeric blend compositions based on copolymers prepared from mono- and di-functional polymerization initiators, processing methods, and medical devices therefrom |
-
2018
- 2018-06-28 US US16/021,322 patent/US11058792B2/en active Active
-
2019
- 2019-06-19 AU AU2019293360A patent/AU2019293360A1/en active Pending
- 2019-06-19 JP JP2020573015A patent/JP7354161B2/en active Active
- 2019-06-19 MX MX2020013797A patent/MX2020013797A/en unknown
- 2019-06-19 EP EP19826210.7A patent/EP3814098A4/en active Pending
- 2019-06-19 CN CN201980043874.6A patent/CN112469550B/en active Active
- 2019-06-19 BR BR112020025759-1A patent/BR112020025759B1/en active IP Right Grant
- 2019-06-19 KR KR1020217002797A patent/KR20210024626A/en not_active Application Discontinuation
- 2019-06-19 WO PCT/IB2019/055179 patent/WO2020003064A2/en active Application Filing
-
2021
- 2021-06-16 US US17/349,535 patent/US11596709B2/en active Active
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