1461139042-58a8a0ba-625b-4abc-98fc-bd680b369f0d

1. An isolation device for repairing a cartilage defect comprising:
a syringe; and
a barrier device connected to the syringe, the barrier device is sized to surround and contain the cartilage defect, and the barrier device is configured to provide a seal around the cartilage defect for application of a positive pressure and a negative pressure from the device;
wherein the device is configured to provide a localized therapy to the cartilage defect.
2. The isolation device of claim 1, wherein the syringe includes a plunger.
3. The isolation device of claim 1, wherein the barrier device is collapsible.
4. The isolation device of claim 1, wherein the barrier device is a dome-shaped suction cup.
5. The isolation device of claim 1, further comprising a flexible tube between the syringe and the barrier device.
6. The isolation device of claim 5, wherein the flexible tube includes a mixer.
7. The isolation device of claim 1, wherein the localized therapy includes at least one of the following: delivering a therapeutic agent; withdrawing blood from an underlying bone; applying a negative pressure to the cartilage defect; applying a positive pressure; aspirating the cartilage defect; or delivering a UV curable composition.
8. The isolation device of claim 1, wherein the syringe and the barrier device are housed within a cannula and the barrier device is configured to be moved between a first position within the cannula and a second position outside of the cannula.
9. The isolation device of claim 8, wherein the barrier device is collapsed in the first position and expanded in the second position.
10. An isolation device for repairing a cartilage defect comprising:
a chamber configured to house a therapeutic agent;
a suction cup in fluid communication with the chamber; and
a cannula housing the chamber;
wherein the suction cup is movable between a collapsed position within the cannula and an expanded position outside of the cannula to provide a localized therapy to the cartilage defect.
11. The isolation device of claim 10, wherein the chamber is included with a syringe; and
wherein the suction cup is movable between the collapsed position within the syringe and the expanded position outside the syringe.
12. The isolation device of claim 10, wherein the suction cup is sized and shaped to surround and contain the cartilage defect, and provide a seal around the cartilage defect for application of a positive pressure and a negative pressure from the device.
13. The isolation device of claim 10, further comprising a flexible tube between the suction cup and the chamber, the flexible tube housing a mixer.
14. The isolation device of claim 10, wherein the localized therapy includes at least one of the following: delivering a therapeutic agent; withdrawing blood from an underlying bone; applying a negative pressure to the cartilage defect; applying a positive pressure; aspirating the cartilage defect; or delivering a UV curable composition.
15. The isolation device of claim 13, wherein the localized therapy comprises delivery of a therapeutic agent including a first component and a second component that are combined in the flexible tube by the mixer.
16. An isolation device for repairing a cartilage defect comprising:
a syringe;
a cannula housing the syringe; and
a barrier device sized to surround and contain the cartilage defect, the barrier device is configured to provide a seal around the cartilage defect for application of a positive pressure and a negative pressure from the device, the barrier device is movable between a collapsed position within the cannula and an expanded position outside of the cannula;
wherein the device is configured to provide a localized therapy to the cartilage defect.
17. The isolation device of claim 16, wherein the barrier device is a dome-shaped suction cup movable between the collapsed position within the syringe and the expanded position outside the syringe.
18. The isolation device of claim 16, further comprising a flexible tube between the syringe and the barrier device, the flexible tube including a mixer.
19. The isolation device of claim 16, wherein the localized therapy includes at least one of the following: delivering a therapeutic agent; withdrawing blood from an underlying bone; applying a negative pressure to the cartilage defect; applying a positive pressure; aspirating the cartilage defect; or delivering a UV curable composition.
20. The isolation device of claim 16, wherein the localized therapy comprises delivery of a therapeutic agent including a first component and a second component that are combined in a shaft including a mixer between the syringe and the barrier device.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. An image forming apparatus comprising:
an apparatus body;
a feed tray comprising a support member that supports a recording medium in a form of a sheet placed on an upper side of the support member;
an image forming unit configured to form an image on the recording medium fed from the feed tray;
an eject section configured to eject the recording medium on which the image has been formed by the image forming unit;
a first transport mechanism forming a first transport path extending between the feed tray and the eject section via the image forming unit, the first transport mechanism configured to transport the recording medium along the first transport path; and
a second transport mechanism comprising an intermediate section and a roller pair including a first roller attached to the support member and a second roller attached to at least one part of the intermediate section, the second transport mechanism forming a second transport path that extends between a branch position located downstream of the image forming unit on the first transport path and a merge position located upstream of the image forming unit on the first transport path and that branches off from the first transport path at the branch position and merges with the first transport path at the merge position, the second transport mechanism configured to transport the recording medium along the second transport path and reintroduce the recording medium to the first transport path from the merge position;
wherein the at least one part of the intermediate section and the feed tray are incorporated in a detachable unit that is configured to be attached to and detached from the apparatus body, and when the detachable unit is detached from the apparatus body, the support member is configured to be moved with respect to the at least one part of the intermediate section between a first position and a second position such that, when the support member is moved from the first position to the second position, the first roller is displaced together with the support member to separate from the second roller.
2. The image forming apparatus according to claim 1, wherein the at least one part of the intermediate section is provided directly below the support member.
3. The image forming apparatus according to claim 2, wherein, when the support member is in the second position, the support member exposes the at least one part of the intermediate section.
4. The image forming apparatus according to claim 3, wherein the support member is positioned in the first position during an image forming operation.
5. The image forming apparatus according to claim 3, wherein the roller pair pinches the recording medium when the recording medium is transported.
6. The image forming apparatus according to claim 5, further comprising a lock mechanism attached to the feed tray,
wherein the support member is further configured to be moved between the first position and the second position along a movement path, and wherein at least one part of the lock mechanism protrudes from the feed tray and extends into the movement path of the support member such that the at least one part of the lock mechanism restricts displacement of the support member while keeping the first and second rollers of the roller pair in press contact with each other.
7. The image forming apparatus according to claim 1, wherein the roller pair includes:
a transport roller that is rotationally driven to transport the recording medium, and
a pinch roller that rotates with the recording medium while pinching the recording medium with the transport roller.
8. The image forming apparatus according to claim 1, wherein a feed mechanism is incorporated in the detachable unit.
9. An image forming apparatus comprising:
an apparatus body;
a feed tray configured to accommodate a recording medium;
an image forming unit configured to form an image on the recording medium fed from the feed tray;
an eject section configured to eject the recording medium on which the image has been formed by the image forming unit;
a first transport mechanism forming a first transport path extending between the feed tray and the eject section via the image forming unit, the first transport mechanism configured to transport the recording medium along the first transport path; and
a second transport mechanism forming a second transport path that extends between a branch position located downstream of the image forming unit on the first transport path and a merge position located upstream of the image forming unit on the first transport path and that branches off from the first transport path at the branch position and merges with the first transport path at the merge position, the second transport mechanism configured to transport the recording medium along the second transport path and reintroduce the recording medium to the first transport path from the merge position;
wherein the second transport mechanism includes an intermediate section and a roller pair including a first roller attached to a first part of the intermediate section and a second roller attached to a second part of the intermediate section,
wherein the roller pair pinches the recording medium between the first roller and the second roller when the recording medium is transported along the second transport path,
wherein the second part of the intermediate section and the feed tray are incorporated in a detachable unit that is configured to be attached to and detached from the apparatus body and the first part of the intermediate section is not incorporated in the detachable unit such that, when the detachable unit is detached from the apparatus body, the second roller is displaced together with the detachable unit and separates from the first roller, and
wherein the second part of the intermediate section includes a moveable section which, when the detachable unit is detached from the apparatus body, is configured to swing with respect to the feed tray about a hinge between a first position and a second position, wherein the moveable section is positioned in the first position during an image forming operation, and wherein the second position provides access to the recording medium accommodated in the feed tray.
10. The image forming apparatus according to claim 9, wherein the first part of the intermediate section includes an upper portion of the intermediate section and the second part of the intermediate section includes a lower portion of the intermediate section.
11. The image forming apparatus according to claim 9, wherein the second roller is positioned on the moveable section.
12. An image forming apparatus comprising:
an apparatus body;
a feed tray comprising a support member that supports a recording medium in a form of a sheet placed on an upper side of the support member;
an image forming unit configured to form an image on the recording medium fed from the feed tray;
an eject section configured to eject the recording medium on which the image has been formed by the image forming unit;
a first transport mechanism forming a first transport path extending between the feed tray and the eject section via the image forming unit, the first transport mechanism configured to transport the recording medium along the first transport path; and
a second transport mechanism comprising an intermediate section and a roller pair including a first roller attached to the support member and a second roller attached to at least one part of the intermediate section, the second transport mechanism forming a second transport path that extends between a branch position located downstream of the image forming unit on the first transport path and a merge position located upstream of the image forming unit on the first transport path and that branches off from the first transport path at the branch position and merges with the first transport path at the merge position, the second transport mechanism configured to transport the recording medium along the second transport path and reintroduce the recording medium to the first transport path from the merge position;
wherein the at least one part of the intermediate section and the feed tray are incorporated in a detachable unit that is configured to be attached to and detached from the apparatus body,
wherein, when the detachable unit is attached to the apparatus body, the detachable unit is disposed within the apparatus body,
wherein, when the detachable unit is detached from the apparatus body, the at least one part of the intermediate section is configured to be moved with respect to the support member between a first position and a second position such that, when the at least one part of the intermediate section is moved from the first position to the second position, the second roller is displaced together with the at least one part of the intermediate section to separate from the first roller; and
wherein the at least one part of the intermediate section is provided directly below the support member.
13. The image forming apparatus according to claim 12, wherein the first roller and the second roller are configured to be exposed to an outside of the detachable unit when the detachable unit is detached from the apparatus body.
14. The image forming apparatus according to claim 12, wherein, when the at least one part of the intermediate section is in the second position, the at least one part of the intermediate section exposes the roller pair.
15. The image forming apparatus according to claim 14, wherein the at least one part of the intermediate section is positioned in the first position during an image forming operation.
16. The image forming apparatus according to claim 14, wherein the roller pair pinches the recording medium when the recording medium is transported.
17. The image forming apparatus according to claim 12, wherein the roller pair includes:
a transport roller that is rotationally driven to transport the recording medium, and
a pinch roller that rotates with the recording medium while pinching the recording medium with the transport roller.
18. The image forming apparatus according to claim 12, wherein a feed mechanism is incorporated in the detachable unit.
19. An image forming apparatus comprising:
an apparatus body;
a feed tray comprising a support member that supports a recording medium in a form of a sheet placed on an upper side of the support member;
an image forming unit configured to form an image on the recording medium fed from the feed tray;
an eject section configured to eject the recording medium on which the image has been formed by the image forming unit;
a first transport mechanism forming a first transport path extending between the feed tray and the eject section via the image forming unit, the first transport mechanism configured to transport the recording medium along the first transport path; and
a second transport mechanism forming a second transport path that extends between a branch position located downstream of the image forming unit on the first transport path and a merge position located upstream of the image forming unit on the first transport path and that branches off from the first transport path at the branch position and merges with the first transport path at the merge position, the second transport mechanism configured to transport the recording medium along the second transport path and reintroduce the recording medium to the first transport path from the merge position, wherein the second transport mechanism comprises:
an intermediate section provided directly below the support member including a first intermediate section portion and a second intermediate section portion;
a first roller pair disposed at the first intermediate section portion and including a first roller and a second roller configured to pinch therebetween the recording medium when the recording medium is transported along the second transport path; and
a second roller pair disposed at the second intermediate section portion and including a third roller and a fourth roller configured to pinch therebetween the recording medium when the recording medium is transported along the second transport path,

wherein the second intermediate section portion, the second roller pair, and the feed tray are incorporated in a detachable unit that is configured to be attached to and detached from the apparatus body,
wherein, when the detachable unit is attached to the apparatus body, the detachable unit is disposed within the apparatus body, and
wherein, when the detachable unit is detached from the apparatus body, the first intermediate section and the first roller pair remain within the apparatus body.