We claim:
1. A tunnel port apparatus comprising:
a guideneedle assembly;
a port cannula overlying said guideneedle assembly;
an obturator rod within said port cannula and overlying said guideneedle assembly; and
a support frame including an elongated member portion having proximal and distal ends and from which support members extend therefrom supporting said guideneedle assembly and port cannula.
2. The apparatus of claim 1 wherein said guideneedle assembly is joined to said support frame at said proximal end of said support frame.
3. The apparatus of claim 1 wherein said port cannula further comprises a valve apparatus.
4. The apparatus of claim 1 wherein said support frame includes a track along at least a portion of said elongated member portion
5. The apparatus of claim 1 wherein said obturator rod has a cap at its proximal end.
6. The apparatus of claim 5 wherein said cap further comprises at least one extension member.
7. The apparatus of claim 6 wherein said at least one extension member is a guide that follows a track in said support frame.
8. The apparatus of claim 6 wherein said at least of extension member is a push tab.
9. The apparatus of claim 1 wherein said support frame includes at least one disconnect site along said elongated member portion.
10. The apparatus of claim 1 wherein said guidneedle assembly includes a hollow core guideneedle.
11. The apparatus of claim 10 wherein said hollow core guideneedle includes a solid core obturator needle.
12. The apparatus of claim 1 further comprising a disconnect site.
13. The apparatus of claim 1 further comprising a locking mechanism along said elongated member portion of said support frame.
14. A method for obtaining access to an internal space, comprising:
preparing a subject for surgery;
providing a tunnel port apparatus comprising a support frame having separable proximal and distal portions and a disconnect site;
inserting a guideneedle through an incision;
advancing a port cannula and obturator rod over the guideneedle into said internal space;
disconnecting said proximal and distal potions of said frame;
withdrawing said hollow core guideneedle and obturator rod; and
leaving said port cannula with said distal potion of said frame to provide access to said internal space.
15. The method of claim 14 wherein said insertion is at a skin incision.
16. The method of claim 14 further comprising the step of providing a laparoscopic port.
17. The method of claim 14 wherein said internal space is a peritoneal space.
18. The method of claim 17 wherein said insertion of said guideneedle is inserted through at least one muscular layer.
19. The method of claim 18 wherein said muscular layer is an anterior rectus muscle.
20. The method of claim 18 further comprising the step of angling said guideneedle towards a pelvis.
21. The method of claim 14 further comprising the step of introducing a catheter to said internal space via said port cannula.
22. The method of claim 14 further comprising the step of introducing a shunt.
23. The method of claim 20 wherein said angling results in forming a tunnel through said anterior rectus muscle.
24. The method of claim 14 wherein said internal space is a gastrointestinal space.
25. The method of claim 14 wherein said internal space is at least one of a hollow viscus, abscess and lymphocele.
26. A tunnel port apparatus comprising:
a support frame including an elongated member portion having a proximal support member and an apertured distal support member extending from said elongated member portion, said elongated member portion including a track;
a guideneedle assembly attached to said proximal support member; and
a port cannula over said guideneedle assembly and supported by said apertured distal support member.
27. A tunnel port apparatus comprising:
a support frame including an elongated member portion having proximal and distal ends from which support members extend therefrom;
a disconnect site between said proximal and distal ends;
a guideneedle assembly including a needle;
a port cannula overlying said guideneedle assembly; and
an obturator rod within said port cannula and overlying said guideneedle assembly, wherein said guideneedle assembly has a cross-sectional profile which minimizes force application during formation of a tissue tract.
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. A device for surface peening, in particular for ultrasonic shot peening, of a component of a gas turbine, comprising: at least one vibration device that includes a surface that impinges the blasting material, and having a holding device by means of which a surface area of the component can be positioned relative to the surface of the vibration device, the surface of the vibration device being subdivided into at least two adjacent partial surfaces, each comprising an overlapping part by means of which a part of the surface area of the component can be treated by blasting material impinged both by the one and by the other partial surface.
2. The device as recited in claim 1, characterized in that the two adjacent partial areas lie in a common plane.
3. The device as recited in claim 1, characterized in that the two adjacent partial surfaces are situated at an angle to one another.
4. The device as recited in claim 1, characterized in that a separate vibration device is allocated to each of the two adjacent partial surfaces.
5. The device as recited in claim 1, characterized in that a separate blasting chamber is allocated to each of the two adjacent partial surfaces.
6. The device as recited in claim 1, characterized in that a separating wall is situated between the two adjacent partial surfaces.
7. The device as recited in claim 6, characterized in that the separating wall is fashioned with a cross-section that is essentially S-shaped.
8. The device as recited in claim 5, characterized in that the two peening chambers are divided from one another by a separating wall.
9. The device as recited in claim 5, characterized in that chamber walls of the peening chambers are formed in some areas by sliding walls.
10. The device as recited in claim 1, characterized in that a rotor, in particular a blisk, is allocated to the surface area of the component.
11. The device as recited in claim 1, characterized in that the component is capable of rotation about its axis of rotation, as a result of which the part of the surface area of the rotor is capable of being treated successively by blasting material impinged both by the one and by the other partial surface.
12. A method for surface peening, in particular for ultrasonic shot peening, of a component of a gas turbine, in which a surface area of the component and a surface of a vibration device that impinges the blasting material are situated relative to one another and are moved relative to one another during the surface peening, comprising: a part of the surface area of the component is successively treated by blasting material impinged by respective overlapping parts of at least two partial surfaces of the surface of the vibration device.
13. The method as recited in claim 12, characterized in that the part of the surface area of the component is moved through peening chambers allocated to the respective partial surfaces.
14. The method as recited in claim 12, characterized in that the components for surface peening of the part of the surface area of the component is rotated about an axis of rotation.
15. The method as recited in one claim 12, characterized in that the surface area of the component is positioned relative to the two partial surfaces by means of a holding device.