Access apparatus with integrated fluid connector and control valve

• US 10,675,056 B2
• Filed: 08/21/2018
• Issued: 06/09/2020
• Est. Priority Date: 09/07/2017
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Tokarz, Christopher
• Primary Examiner(s): Harvey, Julianna N
• Application Number:
  US16/106,871
• Publication Number:
  US 20190069925A1
• Time in Patent Office: 658 Days
• 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 17/3421 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 17/3462 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 17/3474 Insufflating needles, e.g. Veress needles
• CPC Class Codes: A61B 17/3498 Valves therefor, e.g. flapper valves, slide valves haemostasis valves A61M39/06; check valves A61M39/24
• CPC Class Codes: A61B 2017/3449 whereby the instrument channels merge into one single channel

Abstract

An access apparatus includes an access housing, an access member extending from the access housing, a fluid connector mounted to the access housing and a control valve mounted to the fluid connector. The control valve is positionable relative to the fluid connector between a first position corresponding to a desufflation operative state permitting rapid desufflation of the underlying body cavity, a second position corresponding to an insufflation operative state permitting insufflation fluid flow into the access member and into the underlying body cavity, and a third position corresponding to a closed operative state.

Claims

1. An access apparatus, comprising:

an access housing;

an access member extending from the access housing, the access housing and the access member defining a central longitudinal axis and having a longitudinal opening for passage of a surgical object;

a fluid connector mounted to the access housing, the fluid connector including a valve chamber segment and a coupler segment depending radially outwardly relative to the valve chamber segment and the longitudinal axis, the fluid connector defining a fluid passage extending at least through the valve chamber segment and the coupler segment, the valve chamber segment defining a chamber exit port in fluid communication with the fluid passage, the coupler segment configured for coupling to an insufflation fluid source; and

a control valve including a valve stem at least partially positioned within the valve chamber segment, the valve stem including a valve channel extending through the valve stem and a valve intake port in fluid communication with the valve channel, the control valve selectively positionable between a first position corresponding to a desufflation operative state where the valve intake port is in fluid communication with the access member and the valve channel is in fluid communication with the chamber exit port of the fluid connector to thereby permit exit of the insufflation fluids relative to the access member, a second position corresponding to an insufflation operative state where the valve channel is in fluid communication with the fluid passage of the fluid connector and with the insufflation fluid source to permit passage of insufflation fluids from the insufflation fluid source to the access member, and a third position corresponding to a closed operative state where the valve stem intersects the fluid passage to prevent egress of insufflation fluids from the access member, wherein the control valve is configured to rotate about an axis of rotation between the first, second, and third positions, the axis of rotation being parallel to the central longitudinal axis of the access member.

2. The access apparatus of claim 1 wherein the valve channel of the control valve is linear and is arranged about a valve channel axis.

3. The access apparatus of claim 2 wherein the valve intake port is configured to intersect the valve channel and is arranged about a valve intake port axis.

4. The access apparatus of claim 3 wherein the valve stem includes a closed side opposing the valve intake port along the valve intake port axis.

5. The access apparatus of claim 4 wherein the closed side of the valve stem is positioned radial outward of the chamber exit port of the fluid connector when in the first position of the control valve and intersects the flow passage of the fluid connector.

6. The access apparatus of claim 5 wherein the closed side of the valve stem is configured to close the chamber exit port of the valve chamber segment of the fluid connector when in the second position of the control valve.

7. The access apparatus of claim 6 wherein the closed side of the valve stem is positioned radial inward of the chamber exit port when in the third position of the control valve and intersects the flow passage of the fluid connector.

8. The access apparatus of claim 1 wherein the control valve includes a valve lever connected to the valve stem, the valve lever configured for manual manipulation and selectively movable to move the control valve between the first, second and third positions.

9. The access apparatus of claim 1 wherein the fluid connector and the access housing are monolithically formed.

10. The access apparatus of claim 1 including a closure element mounted relative to the access housing, the closure element configured to open upon introduction of the surgical object therethrough and close in the absence of the surgical object.

11. The access apparatus according to claim 10 wherein the fluid passage of the fluid connector is in fluid communication with the longitudinal opening of the access housing and the access member distal of the closure element.

12. An access apparatus, comprising:

an access housing;

an access member extending from the access housing, the access housing and the access member defining a central longitudinal axis and having a longitudinal opening for passage of a surgical object;

a fluid connector mounted to the access housing and being configured for coupling to an insufflation fluid source, the fluid connector defining a fluid passage extending therethrough, the fluid connector defining a single exit port in a side wall portion thereof in fluid communication with the fluid passage; and

a control valve at least partially positioned within the fluid connector, the control valve defining a valve channel therethrough and a valve intake port in fluid communication with the valve channel, the control valve selectively positionable between;

a first position corresponding to a desufflation operative state where the valve intake port is aligned with the fluid passage of the fluid connector and the flow channel is aligned with the exit port of the fluid connector to permit insufflation fluids to flow from the access member through the valve intake port for discharge through the valve channel and the exit port;

a second position corresponding to an insufflation operative state where the valve channel is aligned with the fluid passage of the fluid connector to permit passage of insufflation fluids from the insufflation fluid source through the fluid passage to the access member; and

a third position corresponding to a closed operative state where the control valve intersects the flow passage of the fluid connector to prevent egress of insufflation fluids from the access member,

wherein the control valve is configured to rotate about an axis of rotation between the first, second, and third positions, the axis of rotation being parallel to the central longitudinal axis of the access member.

13. The access apparatus of claim 12 wherein the fluid connector and the access housing are monolithically formed.