JP2011523712A - 減圧創傷療法における感染症の検出 - Google Patents
減圧創傷療法における感染症の検出 Download PDFInfo
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- JP2011523712A JP2011523712A JP2011512623A JP2011512623A JP2011523712A JP 2011523712 A JP2011523712 A JP 2011523712A JP 2011512623 A JP2011512623 A JP 2011512623A JP 2011512623 A JP2011512623 A JP 2011512623A JP 2011523712 A JP2011523712 A JP 2011523712A
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- wound
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
- G01N33/6893—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids related to diseases not provided for elsewhere
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0233—Special features of optical sensors or probes classified in A61B5/00
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- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
- A61M1/92—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing with liquid supply means
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/20—Pathogenic agents
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- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3306—Optical measuring means
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
- A61M2205/583—Means for facilitating use, e.g. by people with impaired vision by visual feedback
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2800/00—Detection or diagnosis of diseases
- G01N2800/26—Infectious diseases, e.g. generalised sepsis
Abstract
【選択図】図1
Description
本発明は、2008年6月4日提出の米国暫定特許出願第61/058,819号、及び2008年11月26日提出の米国暫定特許出願第61/118,161号の利益を主張するものであり、いずれの暫定出願も、参照により本書に組み込まれる。
ATP+ルシフェラーゼ+ルシフェリン+O2 → AMP+CO2+2Pi+光
例えば、光検出器を用いて、光を可視化及び任意に定量化し得る。一実施例では、装置118は光検出器である。
Claims (36)
- 創傷部位における起炎菌によって引き起こされる創傷の感染症を検出する方法であって、前記方法が:
前記創傷部位に減圧を適用するステップと;
前記減圧に応じて前記創傷部位から流体を抜くステップと;
前記創傷部位から抜かれた前記流体を採取するステップと;
前記創傷部位から採取した前記流体について、前記感染症の生成物又は前記起炎菌の成分の検査を行うステップと;
を具えており、
前記生成物又は前記成分の存在が、前記創傷の感染症の存在を示すことを特徴とする方法。 - 前記起炎菌が、細菌であることを特徴とする請求項1に記載の方法。
- 前記創傷が、皮膚組織、骨組織、軟骨、腱、靱帯、筋肉、神経組織、皮下組織、及び脂肪組織から成る群から選択される組織を含むことを特徴とする請求項1に記載の方法。
- 前記抜かれた流体ついて、前記感染症の生成物の検査を行うことを特徴とする請求項1に記載の方法。
- 前記感染症の生成物が、アデノシン−5’−三リン酸(ATP)であることを特徴とする請求項4に記載の方法。
- 前記ATPが、前記抜かれた流体をルシフェラーゼ又はルシフェリンと混合し、次いで発生する光を測定することによって検出され、感染していない創傷からの流体によって発生するレベルよりも高い光が発生する場合に、前記創傷が感染していることを特徴とする請求項5に記載の方法。
- 前記ATPが定量化され、
前記抜かれた流体中のATPの増加量が、重度の前記創傷の感染症を示すことを特徴とする請求項5に記載の方法。 - 前記感染症の生成物が、炎症反応に関連する宿主タンパク質であることを特徴とする請求項4に記載の方法。
- 前記宿主タンパク質が、サイトカイン、フィブロネクチン断片、好中球プロテアーゼ
、又はマクロファージプロテアーゼであることを特徴とする請求項8に記載の方法。 - 前記抜かれた流体について、起炎菌の成分を検査することを特徴とする請求項1に記載の方法。
- 検査される前記起炎菌の成分が、グラム陰性細菌のリポ多糖体(LPS)であり、
前記LPSが、前記抜かれた流体とリムラス変形細胞溶解物とを混合するステップを具える検査、又は補体オプソニン化LPS−IgM免疫複合体を介した宿主好中球呼吸バースト活性を刺激(プライム)する検査によって検出されることを特徴とする請求項10に記載の方法。 - 検査される前記起炎菌の成分が、グラム陰性細菌のリポタイコ酸(LTA)であり、
前記LTAが、前記抜かれた流体とLTAに特異的に結合する抗体とを混合した後に、前記抗体がLTAに結合しているかを判定するステップを含む検査で検出されることを特徴とする請求項10に記載の方法。 - 前記抜かれた流体が、創傷の感染症を引き起こし得る少なくとも1の特異的な遺伝子又は生物種の成分について検査されることを特徴とする請求項10に記載の方法。
- 前記抜かれた流体が、前記起炎菌からDNA又はRNAを取り出すよう処理され、
前記DNA、又は前記RNAから逆転写されるcDNAが、検出可能な標識で標識化され、前記少なくとも1の特異的な生物に対して特異的な少なくとも1の固定化核酸に適用され、
前記固定化核酸が、前記検出可能な標識が前記固定化核酸に特異的に結合するかどうかを判定するために検査され、
前記固定化核酸への前記検出可能な標識の特異的結合が、前記創傷が遺伝子又は生物種に感染していることを示すことを特徴とする請求項13に記載の方法。 - 前記標識化されたDNA又はcDNAが、少なくとも20の固定化核酸を含むマイクロアレイに適用され、
各核酸が、創傷の感染症を引き起こし得る異なる遺伝子又は生物種に対して特異的であることを特徴とする請求項14に記載の方法。 - 前記抜かれた流体が、前記少なくとも1の特異的な遺伝子又は生物種に対して特異的な抗体又はアプタマーと混合し、
前記抗体又はアプタマーが、前記抗体又はアプタマーが前記創傷からの抗原又はアプタマー結合部位に結合するかどうかを判定するよう検査されることを特徴とする請求項13に記載の方法。 - 前記抜かれた流体が、2以上の抗体又はアプタマーと混合し、各抗体又はアプタマーが、創傷の感染症を引き起こし得る異なる遺伝子又は生物種に対して特異的であり、
前記2以上の抗体又はアプタマーが、前記2以上の抗体又はアプタマーのいずれかが前記創傷からの抗原又はアプタマー結合部位に結合するかどうかを判定するよう検査されることを特徴とする請求項16に記載の方法。 - 減圧源と;
前記創傷部位に前記減圧を供給するよう構成された多孔質パッドと;
前記パッド及び前記創傷部位の上をカバーするよう構成されたドレープと;
前記多孔質パッドを前記減圧源に流体接続させる導管と;
を具えた器具から前記減圧が適用され、これによって、
流体が前記減圧に応じて前記創傷部位から抜かれることを特徴とする請求項1に記載の方法。 - さらに、前記器具が、前記流体を採取するよう構成されたリザーバを具えることを特徴とする請求項18に記載の方法。
- 前記多孔質パッドが、ルシフェラーゼ又はルシフェリンを含んでおり、
前記器具が、さらに、前記多孔質パッドから放射される光を測定し得る光検出器を具えることを特徴とする請求項18に記載の方法。 - 前記ルシフェラーゼが、前記多孔質パッドに共有結合的に結合することを特徴とする請求項20に記載の方法。
- さらに、前記器具が、前記光検出器に接続されるコンピュータを具えており、
前記コンピュータが、前記光検出器からの前記光の測定値を記録し得ることを特徴とする請求項20に記載の方法。 - さらに、前記コンピュータが、記録された前記光の測定値が前記創傷の感染症を示すかどうかを判定し得ることを特徴とする請求項22に記載の方法。
- さらに、前記器具が、前記創傷への感染予防剤の導入のための前記多孔質パッドへの供給ラインを具えていることを特徴とする請求項20に記載の方法。
- 創傷部位における創傷の感染症を検出するためのシステムであって、前記システムが:
減圧源と;
前記創傷部位に前記減圧を供給するよう構成された多孔質パッドと;
前記パッド及び前記創傷部位の上を実質的に気密カバーするよう構成されたドレープと;
前記多孔質パッドを前記減圧源に流体接続させることにより、前記減圧に応じて流体が前記創傷部位から抜かれる導管と;
前記創傷部位から抜かれる前記流体を分析して感染症の生成物又は起炎菌の成分を特定するための器具と;
を具えており、
これによって前記生成物又は前記成分の存在が、前記創傷の感染症の存在を示すことを特徴とするシステム。 - 前記器具が光検出器を具えており、
前記パッドが、さらに、ルシフェラーゼ及びルシフェリンを含むことを特徴とする請求項25に記載のシステム。 - 前記ルシフェラーゼが、前記パッドに共有結合的に結合することを特徴とする請求項26に記載のシステム。
- 前記流体が前記創傷から抜かれるときに前記流体が前記抗体の上を流れるように、前記器具が、結合した抗体を含む基板を配置するための区画を具えることを特徴とする請求項29に記載のシステム。
- 前記器具が、リムラス変形細胞溶解物を含むことを特徴とする請求項29に記載のシステム。
- 前記器具が、マイクロ流体チップ、化学チップ又はマイクロアレイを具えることを特徴とする請求項29に記載のシステム。
- 前記マイクロ流体チップ、化学チップ又はマイクロアレイが、前記減圧源にあることを特徴とする請求項30に記載のシステム。
- さらに、前記分析から得られる結果を記録し得るコンピュータを具えることを特徴とする請求項30に記載のシステム。
- 創傷部位に減圧を供給するよう構成された多孔質パッドであって、ルシフェラーゼを含むことを特徴とするパッド。
- 前記ルシフェラーゼが、前記パッドに共有結合的に結合することを特徴とする請求項33に記載のパッド。
- さらに、ルシフェリンを含むことを特徴とする請求項33に記載のパッド。
- 創傷の治療のための請求項25に記載のシステムの使用。
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PCT/US2009/046160 WO2009149203A1 (en) | 2008-06-04 | 2009-06-03 | Detecting infection in reduced pressure wound treatment |
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- 2009-06-03 MX MX2010013321A patent/MX2010013321A/es unknown
- 2009-06-03 KR KR1020117000066A patent/KR20110025811A/ko not_active Application Discontinuation
- 2009-06-03 US US12/477,704 patent/US8460892B2/en active Active
- 2009-06-03 CN CN200980120750XA patent/CN102057275A/zh active Pending
- 2009-06-03 EP EP09759362.8A patent/EP2281199B1/en active Active
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- 2009-06-03 CA CA2726481A patent/CA2726481C/en not_active Expired - Fee Related
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US20150257686A1 (en) | 2015-09-17 |
US8986940B2 (en) | 2015-03-24 |
US20090326416A1 (en) | 2009-12-31 |
AU2009256172B2 (en) | 2015-11-26 |
WO2009149203A1 (en) | 2009-12-10 |
MX2010013321A (es) | 2010-12-21 |
CA2726481C (en) | 2016-11-08 |
AU2009256172A1 (en) | 2009-12-10 |
RU2010146772A (ru) | 2012-07-20 |
EP2281199A1 (en) | 2011-02-09 |
US9215994B2 (en) | 2015-12-22 |
TW201002265A (en) | 2010-01-16 |
EP2281199B1 (en) | 2017-03-01 |
CA2726481A1 (en) | 2009-12-10 |
KR20110025811A (ko) | 2011-03-11 |
US8460892B2 (en) | 2013-06-11 |
US20130244899A1 (en) | 2013-09-19 |
BRPI0909536A2 (pt) | 2019-03-06 |
CN102057275A (zh) | 2011-05-11 |
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