SYSTEM INCLUDING ACCESS PORT AND APPLICATOR TOOL

• US 20110054407A1
• Filed: 04/30/2010
• Published: 03/03/2011
• Est. Priority Date: 08/26/2009
• Status: Active Grant

• Current Assignee: Apollo Endosurgery US, Inc. (Boston Scientific Corporation)
• Original Assignee: Allergan, Inc. (Canada) (Abbvie Incorporated)
• Inventors: Olroyd, Craig, Mudd, Christopher, Turner, Kris, Tezel, Ahmet
• Granted Patent: US 8,506,532 B2
• Time in Patent Office: Days
• US Class Current: 604/174
• CPC Class Codes: A61B 17/064 Surgical staples, i.e. penetrating the tissue
• CPC Class Codes: A61F 5/0056 using injection ports
• CPC Class Codes: A61M 2039/0223 having means for anchoring the subcutaneous access site
• CPC Class Codes: A61M 2210/1053 Stomach
• CPC Class Codes: A61M 39/0208 Subcutaneous access sites for injecting or removing fluids transcutaneous access sites A61M39/0247; implantable infusion devices A61M5/14276
• CPC Class Codes: A61M 39/04 having pierceable self-sealing members

Abstract

The present invention provides a system for attaching a fluid access port to a patient. The system generally comprises an implantable access port and a tool for attaching an access port to a patient. The implantable access port may include a plurality of anchor assemblies composed of two different materials. In addition, a mesh member may be attached to the base of the access port to facilitate implantation of the access port into a patient'"'"'s body. The tool may have a rotatable actuator head, and may engage the access port in various orientations.

Claims

8. An implantable access port for providing fluid access to a patient, the access port comprising:

a septum;

a housing secured to the septum; and

a plurality of rotatable anchor assemblies fixed to the housing, each anchor assembly comprising a wire portion and a molded portion secured to the wire portion.

9. The access port of claim 8 wherein the molded portion is molded to the wire portion.

10. The access port of claim 8 wherein the molded portion is overmolded to the wire portion.

11. The access port of claim 8 wherein the wire portion has a proximal portion and distal portion, the distal portion including a tip structured to penetrate and engage tissue, the molded portion molded to the proximal portion of the wire portion.

12. The access port of claim 8 wherein the molded portion includes a pivot axle having an axis substantially perpendicular to a plane of rotation of the wire portion.

13. The access port of claim 8 wherein the wire portion is made of metal and the molded portion is made of plastic.

14. The access port of claim 8 wherein the molded portion includes an actuator pin and a deploy pin spaced apart from the actuator pin.

15. A tool for securing a fluid access port to a patient, the assembly comprising:

a handle having a trigger; and

an actuator head coupled to the trigger and configured to removably engage and deploy an access port;

the actuator head being pivotal with respect to the handle.

16. The tool of claim 15 wherein the actuator head is configured to removably engage an access port in more than one orientation.

17. The tool of claim 15 further comprising a pivot device pivotally coupling the actuator head to the handle.

18. The tool of claim 15 further comprising an extension tube coupling the actuator head to the handle, a length of the extension tube defining an axis of rotation, the actuator head being pivotal about the axis of rotation.

19. The tool of claim 18 wherein the actuator head is configured to pivot 360 degrees around the axis of rotation.

20. The tool of claim 15 further comprising an actuator cable assembly having a proximal portion coupled to the handle and a distal portion coupled to the actuator head, and a ball fixed to the proximal portion and connecting the proximal portion to the handle, the ball enabling the actuator head to pivot with respect to the handle.

21. A system for attaching a fluid access port to a patient, the system comprising:

an access port comprising a septum, a housing secured to the septum, and a plurality of rotatable anchor assemblies fixed to the housing, each anchor assembly comprising a wire portion and a molded portion overmolded to the wire portion; and

a tool configured to facilitate attachment of the access port to a patient, the tool comprising a handle having a trigger, and an actuator head coupled to the handle and configured to removably engage and deploy an access port, the actuator head being pivotal with respect to the handle.

22. The system of claim 21 wherein the actuator head is configured to removably engage an access port in more than one orientation.

23. The system of claim 21 further comprising a pivot device pivotally coupling the actuator head to the handle.

24. The system of claim 21 further comprising an extension tube coupling the actuator head to the handle, a length of the extension tube defining an axis of rotation, the actuator head being pivotal about the axis of rotation.

25. The system of claim 24 wherein the actuator head is configured to pivot 360 degrees around the axis of rotation.

26. The system of claim 21 further comprising an actuator cable assembly having a proximal portion coupled to the handle and a distal portion coupled to the actuator head, and a ball fixed to the proximal portion and connecting the proximal portion to the handle, the ball enabling the actuator head to pivot with respect to the handle.

27. An implantable access port for providing fluid access to a patient, the access port comprising:

a septum;

a housing secured to the septum and including a base substantially opposing the septum, the base having a bottom surface; and

a mesh member having a top surface and a bottom surface, the top surface of the mesh member secured to the bottom surface of the base for encouraging tissue ingrowth when the access port is implanted in a patient.

28. The access port of claim 27 wherein the mesh member does not substantially extend beyond the base.

29. The access port of claim 27 wherein the mesh member includes a portion extending beyond the base.

30. The access port of claim 27 wherein the mesh member substantially circumscribes the base.

31. The access port of claim 27 wherein the mesh member extends substantially parallel to the base.

32. The access port of claim 27 wherein the mesh member is welded or adhered to the bottom surface of the base.

33. The access port of claim 27 further comprising a ring having a top surface and a bottom surface, the top surface of the ring removably or permanently fixed to the bottom surface of the base, the bottom surface of the ring firmly fixed to the mesh member.

34. The access port of claim 27 further comprising a ring having a top surface and a bottom surface, the top surface of the ring removably or permanently fixed to the bottom surface of the base, a portion of the mesh member being firmly or loosely sandwiched between the top surface of the ring and a bottom surface of the base.

35. The access port of claim 27 wherein the mesh member is integrally molded as part of the base of the access port.

36. The access port of claim 27 wherein the mesh member is made of a material selected from a group consisting of a bioresorbable, a non-resorbable, and combinations therein.

37. An implantable access port for providing fluid access to a patient, the access port comprising:

a septum;

a housing secured to the septum and including a base substantially opposing the septum, the base having a bottom surface;

a plurality of rotatable anchor assemblies fixed to the housing; and

a coating of a bioresorbable material covering a portion of the bottom surface of the base.

38. The access port of claim 37 wherein the coating has an even thickness.

39. The access port of claim 37 wherein the coating has a thickness in a range between 0.001 inches and 0.25 inches.

40. The access port of claim 37 wherein the coating is deposited to the base by a process selected from a group consisting of a spraying process, a dipping process, a molding process, a wiping process, and combinations therein.

41. An implantable access port for providing fluid access to a patient, the access port comprising:

a septum;

a housing secured to the septum and including a base substantially opposing the septum, the base having a bottom surface, a portion of the bottom surface of the base being made of a bioresorbable material; and

a plurality of rotatable anchor assemblies fixed to the housing.

1. A system for attaching a fluid access port to a patient, the system comprising:

an access port including a plurality of rotatable anchor assemblies, each anchor assembly comprising a wire portion and a molded portion secured to the wire portion; and

a tool configured to facilitate attachment of the access port to the patient.

2. The system of claim 1 wherein the molded portion is molded to the wire portion.

3. The system of claim 1 wherein the molded portion is overmolded to the wire portion.

4. The system of claim 1 wherein the wire portion has a proximal portion and distal portion, the distal portion including a tip structured to penetrate and engage tissue, the molded portion molded to the proximal portion of the wire portion.

5. The system of claim 1 wherein the molded portion includes a pivot axle having an axis substantially perpendicular to a plane of rotation of the wire portion.

6. The system of claim 1 wherein the wire portion is made of metal and the molded portion is made of plastic.

7. The system of claim 1 wherein the molded portion includes an actuator pin and a deploy pin spaced apart from the actuator pin.

42. The access port of claim 41 wherein the entirety of the bottom surface of the base is made of a bioresorbable material.

42-1. The access port of claim 41 wherein the portion of the bottom surface of the base being made of a bioresorbable material is formed by a process selected from a group consisting of a molding process, a forming process, a stamping process, and combinations therein.

43. An implantable access port for providing fluid access to a patient, the access port comprising:

a housing defining a central cavity;

a pulpation ring engaged with the housing, the engagement of the pulpation ring and the housing defining a ring shaped gap having a diameter greater than a diameter of the central cavity;

a septum having a top portion, a bottom portion, and a rim located near the top portion, the bottom portion of the septum positioned in the central cavity, the rim of the septum positioned in the ring shaped gap; and

a plurality of rotatable anchor assemblies fixed to the housing.

44. The access port of claim 43 further comprising a compression ring positioned within the central cavity.

45. The access port of claim 44 wherein the rim of the septum is compressed between the pulpation ring and the compression ring.

46. The access port of claim 43 wherein the ring shaped gap has a height of no more than 0.010 inches.

47. An implantable access port for providing fluid access to a patient, the access port comprising:

a septum;

a housing secured to the septum;

an actuator secured to the housing; and

an anchor assembly fixed to the housing, the anchor assembly having a distal portion and a proximal portion, the distal portion including a tip and the proximal portion including a pivot axle and an actuator pin spaced apart from the pivot axle, the anchor assembly being rotatable about the pivot axle from a retracted position to a deployed position, the actuator configured to engage the actuator pin to rotate the anchor assembly from the retracted position to the deployed position.

48. The access port of claim 47 further comprising a deploy pin positioned on the proximal portion of the anchor assembly, the deploy pin spaced apart from the pivot axle and the actuator pin.

49. The access port of claim 48 further comprising a cam surface coupled to the housing, the cam surface configured to engage the deploy pin to start rotation of the anchor assembly from the retracted position to the deployed position.

50. The access port of claim 47 wherein a torque applied by the actuator to the actuator pin increases during rotation from the retracted position to the deployed position.

51. An implantable access port for providing fluid access to a patient, the access port comprising:

a septum;

a housing secured to the septum; and

a plurality of rotatable anchor assemblies fixed to the housing, each anchor assembly being made of a bioresorbable material.

52. The access port of claim 51 wherein each anchor assembly is made entirely of a bioresorbable material.

53. The access port of claim 51 wherein each anchor assembly is made of more than one bioresorbable material.