Surgical Port With Embedded Imaging Device

• US 20080033450A1
• Filed: 08/06/2007
• Published: 02/07/2008
• Est. Priority Date: 08/04/2006
• Status: Active Grant

• Current Assignee: PSIP, LLC
• Original Assignee: Avantis Medical Systems, Inc.
• Inventors: Bayer, Lex, Higgins, Jack
• Granted Patent: US 7,927,272 B2
• Time in Patent Office: Days
• US Class Current: 606/108
• CPC Class Codes: A61B 1/00154 using guiding arrangements for insertion
• CPC Class Codes: A61B 1/05 characterised by the image sensor, e.g. camera, being in the distal end portion
• CPC Class Codes: A61B 1/3132 for laparoscopy
• CPC Class Codes: A61B 17/3417 Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating syringe needles A61M5/32; dilators A61M29/00
• CPC Class Codes: A61B 17/3421 Cannulas
• CPC Class Codes: A61B 2017/00221 with wireless transmission of data, e.g. by infrared radiation or radiowaves
• CPC Class Codes: A61B 2017/3454 Details of tips
• CPC Class Codes: A61B 2090/3614 using optical fibre
• CPC Class Codes: A61B 90/37 Surgical systems with images on a monitor during operation

Abstract

Disclosed is a disposable access port for use in endoscopic procedures, including laparoscopic procedures. The access port includes a cannula with an embedded camera in communication with an external control box. In operation, a trocar is combined with the access port to facilitate insertion of the access port into an anatomical site. Prior to insertion, the camera is pushed inside the cannula, where it remains during insertion. The trocar is removed after the access port has been inserted to allow surgical instruments to access the anatomical site. During removal of the trocar, a portion of the trocar urges the camera out of the cannula, thereby allowing visualization of the anatomical site. The camera can be fixedly or adjustably mounted on the port. A camera may also be mounted on the trocar. The trocar may include irrigation and suction channels to facilitate a clear view of the anatomical site.

Claims

1. An endoscopic port assembly comprising:

an endoscopic port including a lumen;

a trocar sized to be insertable into the lumen; and

an imaging device disposed on either one of the endoscopic port and the trocar.

2. The endoscopic port assembly of claim 1, wherein the port further includes a handle at a proximal end of the port and a cannula at a distal end of the port, the imaging device being disposed on the cannula.

3. The endoscopic port assembly of claim 1, wherein the imaging device includes either one or both of an imaging sensor and a light source.

4. The endoscopic port assembly of claim 1, wherein the port further includes a cannula, and wherein the imaging device is mounted on the cannula and is movable between a radially inward position and a radially outward position.

5. The endoscopic port assembly of claim 4, wherein the imaging device includes an imaging lens that is inside the cannula when the imaging device is in the inward position and is outside the cannula when the imaging device is in the outward position.

6. The endoscopic port assembly of claim 4, further comprising a detent mechanism that holds the imaging device in the outward position until the imaging device is pushed toward the inward position.

7. The endoscopic port assembly of claim 1, further comprising a movable control member that is connected to the imaging device such that manipulation of the control member moves the imaging device.

8. The endoscopic port assembly of claim 1, wherein a portion of the lumen is defined by a tubular wall to which the imaging device is movably mounted, and wherein the trocar includes a shaft, there being a gap between the shaft and the tubular wall when the trocar is inserted into the lumen, the gap sized to receive at least a portion of the imaging device.

9. The endoscopic port assembly of claim 8, wherein the trocar includes a distal tip region connected to the shaft, the distal tip region being wider than the shaft such that, when the trocar is removed from the port, the distal tip region pushes the portion of the imaging device disposed within the gap such that the imaging device moves in a radially outward direction from the tubular wall.

10. The endoscopic port assembly of claim 1, wherein the imaging device is attached to the trocar such that the imaging device extends beyond the distal end of the port when the trocar is inserted into the lumen.

11. The endoscopic port assembly of claim 1, further comprising a controller in communication with the imaging device, the controller providing power and control commands to the imaging device, the controller receiving image signals from the imaging device.

12. The endoscopic port assembly of claim 11, wherein the controller and the imaging device each include a wireless transceiver.

13. A laparoscopic device comprising:

a laparoscopic port including an imaging device.

14. The laparoscopic device of claim 13, wherein the imaging device includes either one or both of an imaging sensor and a light source.

15. The laparoscopic device of claim 13, wherein the port includes a handle and a cannula connected to the handle, the handle having an instrument entry opening in communication with an instrument exit opening at a distal tip of the cannula.

16. The laparoscopic device of claim 15, wherein the imaging device includes an imaging lens and is mounted to the cannula such that the lens is movable between a position outside the cannula and a position inside the cannula.

17. The laparoscopic device of claim 15, wherein the imaging device includes an imaging lens disposed at a distal edge of the cannula.

18. The laparoscopic device of claim 15, wherein the cannula defines at least a portion of an instrument passageway extending from the instrument entry port to the instrument exit port.

19. The laparoscopic device of claim 18, wherein the cannula includes a lumen housing the imaging device.

20. The laparoscopic device of claim 18, wherein the cannula includes a lumen capable of provide irrigation, suction, or both.

21. An endoscopic port assembly comprising:

an endoscopic port including a proximal end, a distal end, an instrument passageway extending from the proximal and distal ends, and a first seal disposed within the passageway, the first seal movable between an open position at which air may flow through the passageway and a closed position at which air flow through the passageway from the distal end to the proximal end is blocked; and

an imaging device disposed on the port.

22. The endoscopic port assembly of claim 21, wherein the first seal is adapted to move to the open position when an instrument is inserted into the passageway and to move to the closed position when the instrument is removed from the passageway.

23. The endoscopic port assembly of claim 21, wherein the port further includes a second seal adapted to block air flow through the passageway when an instrument is inserted into the passageway.

24. The endoscopic port assembly of claim 21, wherein the imaging device includes either one or both of an imaging sensor and a light source.

25. The endoscopic port assembly of claim 21, wherein a portion of the passageway is defined by a tubular wall to which the imaging device is mounted.

26. The endoscopic port assembly of claim 25, wherein the imaging device includes a lens and is movably mounted to allow the lens to be adjustably oriented at an angle between about zero degrees and about ninety degrees from a central axis of the tubular wall.

27. The endoscopic port assembly of claim 25, wherein the imaging device includes a lens located at a distal edge of the tubular wall.

28. A method of deploying an endoscopic viewing device, comprising:

inserting a trocar into an endoscopic port including an imaging device oriented in an outward position;

pushing the imaging device from the outward position to an inward position after the trocar is inserted in the port; and

removing the trocar from the port such that the imaging device is urged from the inward position to the outward position.

29. The method of claim 28, further comprising pushing the imaging device from the outward position to the inward position after the trocar is removed from the port, the imaging device being pushed by an abdominal wall.

30. The method of claim 28, wherein, when the imaging device is in the outward position, the imaging device protrudes outwardly from an exterior surface of the port.

31. The method of claim 28, wherein, when the imaging device is in the inward position, the imaging device does not protrude outwardly from an exterior surface of the port or protrudes less than when the imaging device is in the outward position.