Natural orifice surgery system

• US 10,271,875 B2
• Filed: 12/18/2017
• Issued: 04/30/2019
• Est. Priority Date: 10/01/2010
• Status: Active Grant

• Current Assignee: Applied Medical Resources Corporation (Applied Medical Corporation)
• Original Assignee: Applied Medical Resources Corporation (Applied Medical Corporation)
• Inventors: Dang, Kevin K., Albrecht, Jeremy J., Brown, Blaze, Hoke, Adam, Saiduddin, Adeeb, Johnson, Gary M., Filek, Jacob J.
• Primary Examiner(s): Beccia, Christopher
• Application Number:
  US15/845,002
• Publication Number:
  US 20180125529A1
• Time in Patent Office: 498 Days
• CPC Class Codes: A61B 1/32 Devices for opening or enlarging the visual field, e.g. of a tube of the body dilators A61M29/00
• CPC Class Codes: A61B 17/0218 for minimally invasive surgery A61B17/0281, A61B17/0469, A61B17/12013, A61B17/1285, A61B17/29, A61B17/320016 take precedence
• CPC Class Codes: A61B 17/0293 with ring member to support retractor elements
• CPC Class Codes: A61B 17/3421 Cannulas
• 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 2017/00557 inflatable A61B2017/22051 takes precedence
• CPC Class Codes: A61B 2017/00889 antimicrobial, disinfectant
• CPC Class Codes: A61B 2017/00907 for light
• CPC Class Codes: A61B 2017/0225 flexible, e.g. fabrics, meshes, or membranes
• CPC Class Codes: A61B 2017/3419 Sealing means between cannula and body
• CPC Class Codes: A61B 2017/3429 having a unitary compressible body, e.g. made of silicone or foam
• CPC Class Codes: A61B 2017/3443 with means for adjusting the length of a cannula
• CPC Class Codes: A61B 2017/3445 used as instrument channel for multiple instruments catheters A61B2017/22072
• CPC Class Codes: A61B 2017/345 for introduction into a natural body opening
• CPC Class Codes: A61B 2017/3452 for the rectum, e.g. for hemorrhoid surgery
• CPC Class Codes: A61B 2017/3466 for simultaneous sealing of multiple instruments
• CPC Class Codes: A61B 2017/347 Locking means, e.g. for locking instrument in cannula
• CPC Class Codes: A61B 2017/3482 inside
• CPC Class Codes: A61B 2017/3486 Balloon
• CPC Class Codes: A61B 2017/3492 : against the outside of the body

Abstract

Embodiments of a surgical access port system that comprises a retractor that is adapted for being coupled to a cap and that is particularly useful in natural orifice surgery are described. The retractor comprises an outer ring, wherein the outer ring is configured to be disposed proximate the natural orifice of the patient and substantially surround the orifice; a tubular body; a funnel segment extending between and coupling the outer ring and the tubular body, wherein the funnel segment provides a diametric reduction between the relatively large diameter of the outer ring and the relatively smaller diameter of the tubular body, which is sized to fit within a natural orifice with minimal distention of the orifice; and an inflatable member disposed around the distal end of the tubular body, the inflatable member sized and configured to fit snugly around the tubular body in the deflated condition and to expand against the wall of the natural orifice in the inflated state to thereby stabilize and retain the retractor within the orifice.

Claims

1. A surgical access system adapted for performing laparoscopic surgical procedures at a natural orifice comprising:

an outer ring, wherein the outer ring is configured to be disposed proximate the natural orifice of the patient and substantially surround the orifice;

a tubular body having a proximal end, a distal end, a longitudinal axis and a fixed length and diameter adapted to accommodate the anatomy of the natural orifice, wherein the tubular body defines a generally cylindrical passage large enough to accommodate at least two laparoscopic instruments there through;

a funnel segment extending between and coupling the outer ring and the proximal end of the tubular body, wherein the funnel segment provides a diametric reduction between the relatively large diameter of the outer ring and the relatively smaller diameter of the tubular body, which is sized to fit within a natural orifice with minimal distention of the orifice;

a bearing surface disposed on an inner surface of the funnel segment, adapted to engage with an obturator to advance to the system into a natural orifice;

a removable cap, wherein the cap is adapted to engage with the outer ring;

an inflation port disposed within the funnel segment;

an inflatable member circumferentially disposed around the distal end of the tubular body; and

a channel connecting the inflatable member to the inflation port;

wherein the inflatable member is configured upon to expand upon inflation circumferentially outward from the distal end of tubular body to engage the wall of the natural orifice and to thereby secure the tubular body within the natural orifice.

2. The surgical access system of claim 1, wherein the tubular body comprises a substantially flexible material.

3. The surgical access system of claim 2, wherein the flexible material is selected from the group consisting of a KRATON®

material, a PELLETHANE®

material and a silicone rubber material.

4. The surgical access system of claim 1, wherein the tubular body comprises a polycarbonate.

5. The surgical access system of claim 1, wherein the generally cylindrical passage is sufficiently large such that two or more surgical instruments positioned there through can be translated or pivoted relative to one another.

6. The surgical access system of claim 1, wherein the tubular body comprises one or more coatings.

7. The surgical access system of claim 6, wherein the coating comprises an anti-microbial coating.

8. The surgical access system of claim 1, wherein the tubular body comprises two or more interlocking sections.

9. The surgical access system of claim 1, wherein the tubular body comprises at least one window.

10. The surgical access system of claim 1, wherein the tubular body comprises at least one perforation.

11. The surgical access system of claim 1, wherein the funnel segment has a substantially linear taper between the relatively large diameter and the relatively smaller diameter.

12. The surgical access system of claim 1, wherein the funnel segment has a curved profile between the relatively large diameter and the relatively smaller diameter.

13. The surgical access system of claim 1, further comprising an obturator.

14. The surgical access system of claim 1, wherein the tubular body is formed from a relatively flexible material and the funnel segment and the outer ring are formed from a relatively rigid material.

15. The surgical access system of claim 1, wherein the cap comprises a sealable access surface.

16. The surgical access system of claim 15, wherein the sealable access surface is a gel pad.

17. The surgical access system of claim 1, wherein the cap comprises at least one gas port.

18. The surgical access system of claim 1, wherein the inflatable member assumes a toroid shape upon inflation.

19. The surgical access system of claim 1, wherein the inflatable member assumes a disc shape upon inflation.