公开(公告)号：US20250135085A1

公开(公告)日：2025-05-01

申请号：US18911793

申请日：2024-10-10

Applicant: Alcon Inc.

Inventor： Behzad HASHEMI ,  Ming LU ,  Brad Hua CHEN ,  Steven Benjamin ROLL ,  Vincent A. BAXTER

IPC: A61M1/00

Abstract: Certain embodiments disclosed herein provide a surgical cassette including a housing, one or more retaining rings coupled to the housing, and one or more valve assemblies coupled to the housing by the one or more retaining rings. The one or more valve assemblies configured to control fluid communication between one or more channels within the housing. Each valve assembly includes a valve body having a first end, a second end, a cylindrical surface connecting the first end and second end, and a valve elastomer. The valve elastomer includes a first side configured to couple the valve elastomer to the second end of the valve body and a second side having a recessed surface configured to engage with the housing to form a seal with a base of the housing and reduce mechanical stress across the valve elastomer during rotation of the valve assembly.

公开(公告)号：US20250025616A1

公开(公告)日：2025-01-23

申请号：US18771647

申请日：2024-07-12

Applicant: Alcon Inc.

Inventor： Vincent A. BAXTER ,  Satish YALAMANCHILI ,  David DYK ,  Brian William MCDONELL ,  Shawn X. GAO ,  Brad Hua CHEN ,  Behzad HASHEMI

IPC: A61M1/00 ,  A61B17/00 ,  A61F9/007

Abstract: Embodiments disclosed herein provide a surgical cassette including a housing having a base and a cover coupled to the base, wherein the cover and the base each at least partially define one or more channels. The housing further includes a plurality of ports formed in the base and in fluid communication with at least one of the one or more channels, a plurality of bores formed in the base and configured to receive one of a plurality of valve assemblies, and at least one pump landing formed in the base and configured to receive at least one pump assembly. A plurality of valve assemblies is disposed within the plurality of bores and configured to control fluid flow in the one or more channels of the housing. At least one pump assembly is disposed within the at least one pump landing and configured to provide a source of pressure or vacuum to the one or more channels of the housing.

公开(公告)号：US20250135086A1

公开(公告)日：2025-05-01

申请号：US18914645

申请日：2024-10-14

Applicant: Alcon Inc.

Inventor： Behzad HASHEMI ,  Ali NIKKHAH ,  Steven Benjamin ROLL ,  Ming LU ,  Vincent A. BAXTER

IPC: A61M1/00 ,  A61F9/007

Abstract: Certain embodiments disclosed herein provide a surgical cassette including a housing, one or more retaining rings coupled to the housing, and one or more valve assemblies coupled to the housing by the one or more retaining rings. The one or more valve assemblies configured to control fluid communication between one or more channels within the housing. Each valve assembly includes a valve body having a first end with a first shoulder, a second end with a second shoulder, a cylindrical surface connecting the first shoulder and second shoulder, and an upper valve elastomer. The upper valve elastomer includes a first side configured to engage with the first shoulder of the valve body and a second side configured to engage with the retaining ring to facilitate a fluidic seal at a base of the housing.

公开(公告)号：US20250134708A1

公开(公告)日：2025-05-01

申请号：US18911530

申请日：2024-10-10

Applicant: Alcon Inc.

Inventor： Steven Benjamin ROLL ,  Behzad HASHEMI

IPC: A61F9/007 ,  A61M1/00

Abstract: Embodiments herein provide a surgical cassette and surgical console for ophthalmic irrigation or aspiration during a surgical procedure, the surgical cassette comprising a plurality of valve assemblies, wherein each valve assembly comprises a retaining ring coupled to a base of the surgical cassette, and a valve body disposed within a cavity defined within the retaining ring, wherein the retaining ring provides a compression force against the valve body that in turn compresses at least a portion of a sealing material disposed on the valve body against a surface of the base. The surgical console comprises a plurality of valve drive assemblies configured to apply additional compression forces to the valve assemblies of the surgical cassette. The valve drive assemblies may be actuated individually or collectively so as to provide additional compression to selected ones of the plurality of valve assemblies.

公开(公告)号：US20250135088A1

公开(公告)日：2025-05-01

申请号：US18918671

申请日：2024-10-17

Applicant: Alcon Inc.

Inventor： Steven Benjamin ROLL ,  Behzad HASHEMI ,  Dienhung Dao PHAN ,  Brad Hua CHEN ,  Brian William MCDONELL ,  Jiansheng ZHOU ,  Roderick S. VAN ,  Vincent A. BAXTER

IPC: A61M1/00

Abstract: Embodiments disclosed herein provide a surgical cassette including pump assemblies with improved contact between a displacement sensor disposed within a surgical console and a diaphragm disposed within the surgical cassette. Each pump assembly includes a diaphragm retainer ring that provides a sufficient creepage and clearance margin, acts as a lead-in for the displacement sensor, assists in preventing misalignment, and provides robustness for the ultrasonic welding process which couples the diaphragm retainer ring to the surgical console. The diaphragm retainer ring is impregnated with a lubricant so to facilitate seating of the displacement sensor with the cassette. A cantilever portion of the diaphragm retainer ring increases a creepage and clearance margin, as well as increases overall part strength in the event of a collision with the displacement sensor and during ultrasonic welding. An insulator is also provided that further increases the creepage and clearance margin.

公开(公告)号：US20250134707A1

公开(公告)日：2025-05-01

申请号：US18901548

申请日：2024-09-30

Applicant: Alcon Inc.

Inventor： Behzad HASHEMI

IPC: A61F9/00 ,  A61F9/007 ,  A61M1/00

Abstract: Some embodiments provide a surgical cassette designed for use in ophthalmic surgical procedures, which features a multiple chamber pump elastomer to seal multiple chambers within the device. The elastomer is comprised of a silicone rubber component that incorporates a plurality of grooves on its top face and seal beads on its lower portion. The grooves enable lateral deformation of the silicone rubber under compression, improving the seal of the multiple chambers and reducing or eliminating leak paths, thus enhancing the device's performance. The seal beads, strategically placed on the lower portion of the silicone rubber component, prevent separation and lifting of the pump elastomer at the corners by conforming to the geometry of the corners.