公开(公告)号：US20150245854A1

公开(公告)日：2015-09-03

申请号：US14714678

申请日：2015-05-18

Applicant: Wake Forest University Health Sciences

Inventor： Lawrence X. Webb ,  Louis C. Argenta ,  Michael J. Morykwas

IPC: A61B17/66 ,  A61B17/86 ,  A61B17/60

CPC classification number: A61B17/66 ,  A61B17/60 ,  A61B17/864 ,  A61B17/866 ,  A61B17/8685 ,  A61B2017/00544

Abstract: An external fixation assembly includes a plurality of hollow pins that are inserted into a patient's bone. Each pin has an interior bore and a plurality of apertures extending through the pin wall from the bore. The pin may be coupled to a source of vacuum pressure operable to create reduced pressure in the tissue surrounding the pin. A cover is placed around the pin and sealed to provide a fluid-tight enclosure that maintains reduced pressure around the pin. A method for applying external fixation using the fixator pins described above includes the steps of inserting each pin through a skin opening, positioning the pin apertures near selected tissue, covering the skin opening with a sealed enclosure, connecting the pins to a source of vacuum pressure, and activating the source of vacuum pressure to create reduced pressure in the patient's tissue at or near the bone.

Abstract translation: 外部固定组件包括插入患者骨骼中的多个中空销。 每个销具有内孔和从孔延伸穿过销壁的多个孔。 销可以联接到真空压力源，可操作以在围绕销的组织中产生减小的压力。 一个盖被放置在销的周围并被密封以提供一个流体密封的外壳，其保持围绕销的减压。 使用上述固定销来施加外部固定的方法包括以下步骤：将每个销插入皮肤开口，将销孔定位在所选组织附近，用密封的外壳覆盖皮肤开口，将销连接到真空压力源 并且激活真空压力源以在患者的组织中在骨骼处或骨附近产生减压。

公开(公告)号：US09566089B2

公开(公告)日：2017-02-14

申请号：US14714678

申请日：2015-05-18

Applicant: Wake Forest University Health Sciences

Inventor： Lawrence X. Webb ,  Louis C. Argenta ,  Michael J. Morykwas

IPC: A61B17/70 ,  A61B17/66 ,  A61B17/60 ,  A61B17/86 ,  A61B17/00

CPC classification number: A61B17/66 ,  A61B17/60 ,  A61B17/864 ,  A61B17/866 ,  A61B17/8685 ,  A61B2017/00544

Abstract: An external fixation assembly includes a plurality of hollow pins that are inserted into a patient's bone. Each pin has an interior bore and a plurality of apertures extending through the pin wall from the bore. The pin may be coupled to a source of vacuum pressure operable to create reduced pressure in the tissue surrounding the pin. A cover is placed around the pin and sealed to provide a fluid-tight enclosure that maintains reduced pressure around the pin. A method for applying external fixation using the fixator pins described above includes the steps of inserting each pin through a skin opening, positioning the pin apertures near selected tissue, covering the skin opening with a sealed enclosure, connecting the pins to a source of vacuum pressure, and activating the source of vacuum pressure to create reduced pressure in the patient's tissue at or near the bone.

Abstract translation: 外部固定组件包括插入患者骨骼中的多个中空销。 每个销具有内孔和从孔延伸穿过销壁的多个孔。 销可以联接到真空压力源，可操作以在围绕销的组织中产生减小的压力。 一个盖被放置在销的周围并被密封以提供一个流体密封的外壳，其保持围绕销的减压。 使用上述固定销来施加外部固定的方法包括以下步骤：将每个销插入皮肤开口，将销孔定位在所选组织附近，用密封的外壳覆盖皮肤开口，将销连接到真空压力源 并且激活真空压力源以在患者的组织中在骨骼处或骨附近产生减压。

公开(公告)号：US20140155790A1

公开(公告)日：2014-06-05

申请号：US14082951

申请日：2013-11-18

Applicant: Wake Forest University Health Sciences

Inventor： Louis C. Argenta ,  Michael J. Morykwas ,  Lawrence X. Webb

IPC: A61H7/00

CPC classification number: A61H7/001 ,  A61M1/0037 ,  A61M1/0088

Abstract: A tissue treatment apparatus and method are provided for treating tissue by the application of the time-varying sub-atmospheric pressure. The apparatus includes a cover adapted to cover a wound and adapted to maintain sub-atmospheric pressure the site of the wound. The apparatus further includes a source of suction configured to generate a time-varying sub-atmospheric pressure having a periodic waveform comprising a gradual change in pressure. The suction source cooperates with the cover to supply the time-varying sub-atmospheric pressure under the cover to the wound. The time-varying sub-atmospheric pressure may vary between a first pressure value below the inherent tissue tension of the wound tissue and a second pressure value above the inherent tissue tension of the wound tissue.

Abstract translation: 提供了一种通过应用时变的次大气压来处理组织的组织处理装置和方法。 该装置包括适于覆盖伤口并适于在伤口的部位保持低于大气压的盖。 该装置还包括被配置为产生具有包括逐渐变化的周期性波形的时变的次大气压的抽吸源。 抽吸源与盖配合，将盖下的时变大气压提供给伤口。 时变的次大气压力可以在低于伤口组织的固有组织张力的第一压力值和高于伤口组织的固有组织张力的第二压力值之间变化。

公开(公告)号：US20130267952A1

公开(公告)日：2013-10-10

申请号：US13896750

申请日：2013-05-17

Applicant: Wake Forest University Health Sciences

Inventor： Lawrence X. Webb ,  Louis C. Argenta ,  Michael J. Morykwas

IPC: A61B17/60

CPC classification number: A61B17/66 ,  A61B17/60 ,  A61B17/864 ,  A61B17/866 ,  A61B17/8685 ,  A61B2017/00544

Abstract: An external fixation assembly includes a plurality of hollow pins that are inserted into a patient's bone. Each pin has an interior bore and a plurality of apertures extending through the pin wall from the bore. The pin may be coupled to a source of vacuum pressure operable to create reduced pressure in the tissue surrounding the pin. A cover is placed around the pin and sealed to provide a fluid-tight enclosure that maintains reduced pressure around the pin. A method for applying external fixation using the fixator pins described above includes the steps of inserting each pin through a skin opening, positioning the pin apertures near selected tissue, covering the skin opening with a sealed enclosure, connecting the pins to a source of vacuum pressure, and activating the source of vacuum pressure to create reduced pressure in the patient's tissue at or near the bone.

公开(公告)号：US20130030396A1

公开(公告)日：2013-01-31

申请号：US13633627

申请日：2012-10-02

Applicant: Wake Forest University Health Sciences

Inventor： Louis C. Argenta ,  Michael J. Morykwas ,  Lawrence X. Webb

IPC: A61M1/00

CPC classification number: A61H7/001 ,  A61M1/0037 ,  A61M1/0088

Abstract: A tissue treatment apparatus and method are provided for treating tissue by the application of the time-varying sub-atmospheric pressure. The apparatus includes a cover adapted to cover a wound and adapted to maintain sub-atmospheric pressure the site of the wound. The apparatus further includes a source of suction configured to generate a time-varying sub-atmospheric pressure having a periodic waveform comprising a gradual change in pressure. The suction source cooperates with the cover to supply the time-varying sub-atmospheric pressure under the cover to the wound. The time-varying sub-atmospheric pressure may vary between a first pressure value below the inherent tissue tension of the wound tissue and a second pressure value above the inherent tissue tension of the wound tissue.

Abstract translation: 提供了一种通过应用时变的次大气压来处理组织的组织处理装置和方法。 该装置包括适于覆盖伤口并适于在伤口的部位保持低于大气压的盖。 该装置还包括被配置为产生具有包括逐渐变化的周期性波形的时变的次大气压的抽吸源。 抽吸源与盖配合，将盖下的时变大气压提供给伤口。 时变的次大气压力可以在低于伤口组织的固有组织张力的第一压力值和高于伤口组织的固有组织张力的第二压力值之间变化。