Granted Patent
B2
US 12,185,932 · App. 18/182,927 · Granted Jan 7, 2025
Wound retractor with multi-segment outer ring
Inventors:
Jeremy J. Albrecht (Rancho Santa Margarita, CA); Matthew M. Becerra (Lake Forest, CA); Eric Nguyen (Rancho Santa Margarita, CA)
Assignee:
Applied Medical Resources Corporation
A61B17/0293A61B17/0218A61B17/3431A61B2017/00876A61B2017/00902A61B2017/0225A61B2017/3435A61B2017/3443A61B2017/3492
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Abstract
A retractor/protector suitable for use in a surgical incision or a natural orifice comprises a longitudinal axis defining an instrument access channel extending from a proximal end to a distal end; a flexible outer ring; an inner ring; a flexible sheath extending between the outer ring and the inner ring; and at least one rigid segment adapted to attach to the flexible outer ring to thereby increase the rigidity of the outer ring. Embodiments of the retractor/protector are described that have interlocking and non-interlocking rigid segments. Embodiments are also described that have bases that insert into or under the flexible outer ring in addition to or in lieu of rigid segments to increase rigidity and/or provide support for a detachable cap.
Claims (29)
1. A retractor/protector comprising:
a flexible outer ring;
an inner ring;
a flexible sheath having a proximal end and a distal end and being disposed between the flexible outer ring and the inner ring; and
a longitudinal axis defining an instrument access channel extending through the flexible sheath from the flexible outer ring to the inner ring,
wherein the proximal end of the flexible sheath is de-attachably connected to the flexible outer ring via magnetic attraction and the distal end of the flexible sheath is attached to the inner ring,
wherein the flexible outer ring comprises at least two separate tubes each having a respective lumen.
2. The retractor/protector of claim 1 , wherein the flexible outer ring comprises a magnetic material configured to attract a corresponding magnetic material imbedded within the proximal end of the flexible sheath.
3. The retractor/protector of claim 1 , wherein the flexible outer ring comprises a ferromagnetic material configured to attract a corresponding ferromagnetic material imbedded within the proximal end of the flexible sheath.
4. The retractor/protector of claim 1 , wherein a first tube of the at least two separate tubes comprises a magnetic material or a ferromagnetic material configured to attract a corresponding magnetic material or ferromagnetic material imbedded within the proximal end of the flexible sheath.
5. The retractor/protector of claim 4 , wherein a second tube of the at least two separate tubes comprises a rigid support ring.
6. The retractor/protector of claim 4 , wherein a second tube of the at least two separate tubes comprises an elastic ring.
7. The retractor/protector of claim 1 , wherein the flexible outer ring is configured to receive a sealing cap to provide a seal and a working channel through the sealing cap.
8. A retractor/protector comprising:
a flexible outer ring;
an inner ring;
a flexible sheath having a proximal end and a distal end and being disposed between the flexible outer ring and the inner ring;
a base having an inner circumference, an outer circumference, and a groove adapted to receive the flexible outer ring; and
a longitudinal axis defining an instrument access channel extending through the flexible sheath from the flexible outer ring to the inner ring,
wherein the proximal end of the flexible sheath is de-attachably connected to the flexible outer ring via magnetic attraction and the distal end of the flexible sheath is attached to the inner ring.
9. The retractor/protector of claim 8 , wherein the base is configured to receive the flexible outer ring, wherein the flexible outer ring is configured to be pulled through the inner circumference of the base to be deployed into the groove disposed along a top surface of the base.
10. The retractor/protector of claim 8 , wherein the groove is disposed along the outer circumference of the base and is configured to receive the flexible outer ring.
11. The retractor/protector of claim 8 , wherein the flexible outer ring comprises a magnetic material configured to attract a corresponding magnetic material imbedded within the proximal end of the flexible sheath.
12. The retractor/protector of claim 8 , wherein the flexible outer ring comprises a ferromagnetic material configured to attract a corresponding ferromagnetic material imbedded within the proximal end of the flexible sheath.
13. The retractor/protector of claim 8 , wherein the flexible outer ring comprises at least two separate tubes each having a respective lumen.
14. The retractor/protector of claim 13 , wherein a first tube of the at least two separate tubes comprises a magnetic material or a ferromagnetic material configured to attract a corresponding magnetic material or ferromagnetic material imbedded within the proximal end of the flexible sheath.
15. The retractor/protector of claim 14 , wherein a second tube of the at least two separate tubes comprises a rigid support ring.
16. The retractor/protector of claim 14 , wherein a second tube of the at least two separate tubes comprises an elastic ring.
17. The retractor/protector of claim 8 , wherein the flexible outer ring is configured to receive a sealing cap to provide a seal and a working channel through the sealing cap.
Assignments (1)
SECURITY INTEREST
Recorded Feb 28, 2024
From: APPLIED MEDICAL RESOURCES CORPORATION
To: BMO BANK N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 066702/0123 →
Continuity (4)
Provisional Application
62238608
· Oct 7, 2015
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