JP2016121428A - メルトブロー不織ファブリックの製造のためのスピナレット - Google Patents
メルトブロー不織ファブリックの製造のためのスピナレット Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07292—Reinforcements for staple line, e.g. pledgets
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
- D01D4/025—Melt-blowing or solution-blowing dies
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/082—Melt spinning methods of mixed yarn
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
- D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00526—Methods of manufacturing
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/12—Physical properties biodegradable
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2509/00—Medical; Hygiene
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nonwoven Fabrics (AREA)
- Materials For Medical Uses (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Description
本開示は、外科手術バットレスおよびそれらの製造のための機器に関し、より詳しくは、メルトブロープロセスから作り出される不織ファブリック外科手術移植物またはバットレスを作製するように構成されているスピナレットに関する。
1つ以上の列のファスナーを逐次的または同時に適用して、身体組織のセグメントを接合するために使用される外科手術ステープル留め器具は、当該分野において周知である。そのようなデバイスは、概して、1対の顎を含み、それらの間に、接合されるべき身体組織をクランプする。代表的に、顎部材のうちの1つは、複数のステープルを収容するステープルカートリッジを含み、一方で、他方の顎部材は、アンビルを有し、このアンビルは、ステープルがステープルカートリッジから駆動される場合に、ステープルレッグを形成するための表面を規定する。比較的薄いか、または脆い組織をステープル留めする場合、組織における断裂、または組織を通したステープルの抜けを防止するために、組織に対してステープルラインを補強することがしばしば必要である。断裂または抜けを防止する1つの方法は、ステープルと下にある組織との間に生体適合性ファブリック補強材料、または「バットレス」を設置することを含む。
本開示の局面に従って、複数様式スピナレットが提供され、この複数様式スピナレットは、長手方向軸を規定する本体であって、本体は、第1の側面表面と、第2の側面表面と、頂部表面と、底部表面とを含む、本体と、スピナレットの長手方向軸に沿って配置されている少なくとも2つの穴とを含み、少なくとも2つの穴の各々は、穴径を有し、少なくとも1つの穴は、第1の直径を有し、少なくとも1つの穴は、第1の直径と異なる第2の直径を有する。
本発明は、例えば以下の項目を提供する。
(項目1)
2様式スピナレットであって、該スピナレットは、
長手方向軸を規定する本体であって、該本体は、頂部表面および底部表面を含み、該本体は、ある量の材料を中に受け取るための空洞を規定し、該空洞は底を含む、本体と、
少なくとも2つの穴と
を含み、該少なくとも2つの穴は、該空洞の該底において、該スピナレットの該長手方向軸に沿って配置され、該少なくとも2つの穴の各々は、穴径を有し、少なくとも1つの穴は、第1の直径を有し、少なくとも1つの穴は、該第1の直径と異なる第2の直径を有する、スピナレット。
(項目2)
上記第1の直径は、上記第2の直径よりも少なくとも10%大きい、上記項目に記載のスピナレット。
(項目3)
上記第1の直径は、上記第2の直径よりも100%超大きい、上記項目のうちのいずれか一項に記載のスピナレット。
(項目4)
上記スピナレットは、さらなる穴をさらに含み、該さらなる穴の各々は、上記第1の直径または上記第2の直径のいずれかと同等の穴径を有する、上記項目のうちのいずれか一項に記載のスピナレット。
(項目5)
上記さらなる穴は、上記スピナレットの上記長手方向軸に沿って第1の直径および第2の直径を交互にするパターンで配置されている、上記項目のうちのいずれか一項に記載のスピナレット。
(項目6)
上記さらなる穴は、上記スピナレットの上記長手方向軸に沿って無作為に配置されている、上記項目のうちのいずれか一項に記載のスピナレット。
(項目7)
上記さらなる穴の各々は、中心を有し、該さらなる穴は、該さらなる穴の該中心が等距離であるように、上記スピナレットの上記長手方向軸に沿って配置されている、上記項目のうちのいずれか一項に記載のスピナレット。
(項目8)
上記さらなる穴の各々は、エッジを含み、該さらなる穴の各々の各エッジ間の距離は、等距離である、上記項目のうちのいずれか一項に記載のスピナレット。
(項目9)
第1の直径を有する穴の数と第2の直径を有する穴の数とは等しい、上記項目のうちのいずれか一項に記載のスピナレット。
(項目10)
上記少なくとも2つの穴の各々は、上記頂部表面と上記底部表面との間に延びている穴深さを有し、該少なくとも2つの穴の各々は、上記穴径で除算される該穴深さによって規定される比を有する、上記項目のうちのいずれか一項に記載のスピナレット。
(項目11)
上記少なくとも2つの穴の上記比の各々は等しい、上記項目のうちのいずれか一項に記載のスピナレット。
(項目12)
上記少なくとも2つの穴の上記比の各々は等しくない、上記項目のうちのいずれか一項に記載のスピナレット。
(項目13)
不織ファイバーマットを作製する方法であって、該方法は、
材料と、押出し成形機と、2様式スピナレットとを提供することであって、該スピナレットは、第1の直径を有する少なくとも1つの穴と該第1の直径と異なる第2の直径を有する少なくとも1つの穴とを規定する、ことと、
該スピナレットを該押出し成形機に結合することと、
該材料を該押出し成形機の中に送ることと、
該押出し成形機において該材料を溶融することと、
該溶融された材料を該スピナレットを通して押出して複数のファイバーを形成することと、
該複数のファイバーをコンベヤー表面上へ集めて不織ファイバーマットを形成することと
を含み、該不織ファイバーマットは、第1の直径を有する少なくとも1つのファイバーと、該第1の直径と異なる第2の直径を有する少なくとも1つのファイバーとを含む、方法。
(項目14)
上記材料は、ラクチドホモポリマー、グリコリドホモポリマー、ポリジオキサノンホモポリマー、グリコリドトリメチレンカーボネートコポリマー、グリコリドラクチドコポリマー、グリコリドジオキサノントリメチレンカーボネートコポリマー、およびグリコリドカプロラクトントリメチレンカーボネートラクチドコポリマーからなる群から選択されるポリマーである、上記項目のうちのいずれか一項に記載の方法。
(項目15)
上記材料は、生体吸収性ポリマー材料である、上記項目のうちのいずれか一項に記載の方法。
(項目16)
上記材料の融解温度は、約180℃と約270℃との間である、上記項目のうちのいずれか一項に記載の方法。
(項目17)
上記材料の融解温度は、約80℃と約190℃との間である、上記項目のうちのいずれか一項に記載の方法。
(項目18)
上記複数のファイバーが上記スピナレットを出ていくときに、および該複数のファイバーが上記コンベヤー表面上に集められる前に、該複数のファイバー上に熱気を吹き付けることをさらに含む、上記項目のうちのいずれか一項に記載の方法。
(項目19)
上記熱気は、上記複数のファイバーの融解温度以上の温度を有する、上記項目のうちのいずれか一項に記載の方法。
(項目20)
上記熱気は、約225℃と約290℃との間の温度を有する、上記項目のうちのいずれか一項に記載の方法。
(摘要)
改善された特徴を有する外科手術バットレスを作製するための、2様式スピナレットを含む2様式スピナレットシステム、および方法が開示される。2様式スピナレットは、少なくとも、より不均一な剪断履歴およびダイスウェルを有するファイバーを作り出すための穴径分布を含む。2様式スピナレットを用いるシステムおよび方法は、メルトブロー不織ファイバーマットを作り出し、このメルトブロー不織ファイバーマットは、単一様式スピナレットの穴径では達成できない独特なファブリック特性(例えば、差異化された負荷たわみ挙動、曲げ剛性、ポリマーファイバー整列、ファイバー結晶化度、および生体内分解中の、その後の強度保持)を有する外科手術バットレスに切断される。
本開示は、あるファイバー直径の分布を有する不織ファイバーマットを作製するために、メルトブロープロセスを用いるスピナレット設計、システム、および方法に関する。
Claims (20)
- 2様式スピナレットであって、該スピナレットは、
長手方向軸を規定する本体であって、該本体は、頂部表面および底部表面を含み、該本体は、ある量の材料を中に受け取るための空洞を規定し、該空洞は底を含む、本体と、
少なくとも2つの穴と
を含み、該少なくとも2つの穴は、該空洞の該底において、該スピナレットの該長手方向軸に沿って配置され、該少なくとも2つの穴の各々は、穴径を有し、少なくとも1つの穴は、第1の直径を有し、少なくとも1つの穴は、該第1の直径と異なる第2の直径を有する、スピナレット。 - 前記第1の直径は、前記第2の直径よりも少なくとも10%大きい、請求項1に記載のスピナレット。
- 前記第1の直径は、前記第2の直径よりも100%超大きい、請求項1に記載のスピナレット。
- 前記スピナレットは、さらなる穴をさらに含み、該さらなる穴の各々は、前記第1の直径または前記第2の直径のいずれかと同等の穴径を有する、請求項1に記載のスピナレット。
- 前記さらなる穴は、前記スピナレットの前記長手方向軸に沿って第1の直径および第2の直径を交互にするパターンで配置されている、請求項4に記載のスピナレット。
- 前記さらなる穴は、前記スピナレットの前記長手方向軸に沿って無作為に配置されている、請求項4に記載のスピナレット。
- 前記さらなる穴の各々は、中心を有し、該さらなる穴は、該さらなる穴の該中心が等距離であるように、前記スピナレットの前記長手方向軸に沿って配置されている、請求項4に記載のスピナレット。
- 前記さらなる穴の各々は、エッジを含み、該さらなる穴の各々の各エッジ間の距離は、等距離である、請求項4に記載のスピナレット。
- 第1の直径を有する穴の数と第2の直径を有する穴の数とは等しい、請求項5に記載のスピナレット。
- 前記少なくとも2つの穴の各々は、前記頂部表面と前記底部表面との間に延びている穴深さを有し、該少なくとも2つの穴の各々は、前記穴径で除算される該穴深さによって規定される比を有する、請求項1に記載のスピナレット。
- 前記少なくとも2つの穴の前記比の各々は等しい、請求項10に記載のスピナレット。
- 前記少なくとも2つの穴の前記比の各々は等しくない、請求項10に記載のスピナレット。
- 不織ファイバーマットを作製する方法であって、該方法は、
材料と、押出し成形機と、2様式スピナレットとを提供することであって、該スピナレットは、第1の直径を有する少なくとも1つの穴と該第1の直径と異なる第2の直径を有する少なくとも1つの穴とを規定する、ことと、
該スピナレットを該押出し成形機に結合することと、
該材料を該押出し成形機の中に送ることと、
該押出し成形機において該材料を溶融することと、
該溶融された材料を該スピナレットを通して押出して複数のファイバーを形成することと、
該複数のファイバーをコンベヤー表面上へ集めて不織ファイバーマットを形成することと
を含み、該不織ファイバーマットは、第1の直径を有する少なくとも1つのファイバーと、該第1の直径と異なる第2の直径を有する少なくとも1つのファイバーとを含む、方法。 - 前記材料は、ラクチドホモポリマー、グリコリドホモポリマー、ポリジオキサノンホモポリマー、グリコリドトリメチレンカーボネートコポリマー、グリコリドラクチドコポリマー、グリコリドジオキサノントリメチレンカーボネートコポリマー、およびグリコリドカプロラクトントリメチレンカーボネートラクチドコポリマーからなる群から選択されるポリマーである、請求項13に記載の方法。
- 前記材料は、生体吸収性ポリマー材料である、請求項13に記載の方法。
- 前記材料の融解温度は、約180℃と約270℃との間である、請求項13に記載の方法。
- 前記材料の融解温度は、約80℃と約190℃との間である、請求項13に記載の方法。
- 前記複数のファイバーが前記スピナレットを出ていくときに、および該複数のファイバーが前記コンベヤー表面上に集められる前に、該複数のファイバー上に熱気を吹き付けることをさらに含む、請求項13に記載の方法。
- 前記熱気は、前記複数のファイバーの融解温度以上の温度を有する、請求項18に記載の方法。
- 前記熱気は、約225℃と約290℃との間の温度を有する、請求項18に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/582,257 | 2014-12-24 | ||
US14/582,257 US10835216B2 (en) | 2014-12-24 | 2014-12-24 | Spinneret for manufacture of melt blown nonwoven fabric |
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JP2016121428A true JP2016121428A (ja) | 2016-07-07 |
JP6745104B2 JP6745104B2 (ja) | 2020-08-26 |
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JP2015239080A Active JP6745104B2 (ja) | 2014-12-24 | 2015-12-08 | メルトブロー不織ファブリックの製造のためのスピナレット |
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US (1) | US10835216B2 (ja) |
EP (1) | EP3040454B1 (ja) |
JP (1) | JP6745104B2 (ja) |
CN (1) | CN105734691B (ja) |
AU (1) | AU2015252118A1 (ja) |
CA (1) | CA2911339A1 (ja) |
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US11564682B2 (en) | 2007-06-04 | 2023-01-31 | Cilag Gmbh International | Surgical stapler device |
US8573465B2 (en) | 2008-02-14 | 2013-11-05 | Ethicon Endo-Surgery, Inc. | Robotically-controlled surgical end effector system with rotary actuated closure systems |
US11986183B2 (en) | 2008-02-14 | 2024-05-21 | Cilag Gmbh International | Surgical cutting and fastening instrument comprising a plurality of sensors to measure an electrical parameter |
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AU2015252118A1 (en) | 2016-07-14 |
CN105734691A (zh) | 2016-07-06 |
US10835216B2 (en) | 2020-11-17 |
US20160183929A1 (en) | 2016-06-30 |
JP6745104B2 (ja) | 2020-08-26 |
CN105734691B (zh) | 2020-08-25 |
EP3040454A1 (en) | 2016-07-06 |
EP3040454B1 (en) | 2024-02-28 |
CA2911339A1 (en) | 2016-06-24 |
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