Access assembly insertion device

• US 8,753,267 B2
• Filed: 12/06/2011
• Issued: 06/17/2014
• Est. Priority Date: 01/24/2011
• Status: Expired due to Fees

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Stopek, Joshua
• Primary Examiner(s): Truong, Kevin T
• Assistant Examiner(s): SEVILLA, CHRISTIAN ANTHONY
• Application Number:
  US13/311,594
• Publication Number:
  US 20120190931A1
• Time in Patent Office: 924 Days
• Field of Search: 600/204, 600/207, 600/208, 604/26, 604/164.03, 606/108
• US Class Current: 600/207
• CPC Class Codes: A61B 17/3423 Access ports, e.g. toroid shape introducers for instruments or hands access sites for liquids A61M39/0247
• CPC Class Codes: A61B 17/3431 being collapsible, e.g. made of thin flexible material A61B17/3423 takes precedence
• CPC Class Codes: A61B 17/3462 with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals expandable cannulas A61B17/3417
• CPC Class Codes: A61B 2017/00539 hydraulically
• CPC Class Codes: A61B 2017/3429 having a unitary compressible body, e.g. made of silicone or foam
• CPC Class Codes: A61B 2017/3445 used as instrument channel for multiple instruments catheters A61B2017/22072
• CPC Class Codes: A61B 2017/3466 for simultaneous sealing of multiple instruments

Abstract

An improved access assembly is provided. The access assembly includes an inflatable port and an inflation cannula operably connected to the inflatable port to provide inflation fluid to the inflatable port. The inflatable port may be tapered in a first configuration to facilitate insertion through tissue. The inflation port defines a substantially hour-glass shape when in a second configuration to create a seal within an opening in the tissue.

Claims

1. A surgical access system comprising:

an inflatable port having a proximal portion, a body portion, and a distal portion, the inflatable port transitionable between a first state and a second state, the first state defined by the proximal portion having a diameter greater than a diameter of the body portion and a diameter of the distal portion such that the inflatable port has a tapered configuration to facilitate insertion through tissue, the second state defined by the diameter of the proximal portion and the diameter of the distal portion both being greater than the diameter of the body portion; and

an inflation cannula having a tapered distal tip, the inflation cannula disposed within the inflatable port for supplying fluid to the inflatable port such that when the inflatable port is wrapped around the inflation cannula in the first state, the inflatable port is in the tapered configuration and when fluid is supplied to the inflatable port, the inflatable port transitions to the second state.

2. The access assembly of claim 1, wherein, in the second state, the proximal portion of the inflatable port includes an upper rim configured to be positioned external of tissue.

3. The access assembly of claim 1, wherein, in the second state, the proximal portion of the inflatable port includes a lower rim configured to be received within a body cavity.

4. The access assembly of claim 1, further including a sleeve to maintain the inflatable port in the tapered configuration when in the first state.

5. The access assembly of claim 1, wherein a proximal end of the inflation cannula is connectable to a source of inflation fluid.

6. The access assembly of claim 1, wherein the inflatable port is one of molded, extruded and sewn.