Electro-mechanical surgical device

• US 20040111081A1
• Filed: 03/15/2002
• Published: 06/10/2004
• Est. Priority Date: 06/02/1999
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Tyco Healthcare Group LP (Medtronic Plc)
• Inventors: Whitman, Michael P., Zeichner, David A., Burbank, John E.
• Granted Patent: US 7,951,071 B2
• Time in Patent Office: Days
• US Class Current: 606/1
• CPC Class Codes: A61B 10/0233 Pointed or sharp biopsy instruments
• CPC Class Codes: A61B 17/00 Surgical instruments, devices or methods, e.g. tourniquets A61B18/00 takes precedence; contraceptive devices, pessaries, or applicators therefor A61F6/00; eye surgery A61F9/007; ear surgery A61F11/00
• CPC Class Codes: A61B 17/00491 Surgical glue applicators surgical adhesives A61L24/00; two-component delivery syringes A61M5/19
• CPC Class Codes: A61B 17/072 for applying a row of staples in a single action , e.g. the staples being applied simultaneously
• CPC Class Codes: A61B 17/07207 the staples being applied sequentially
• CPC Class Codes: A61B 17/11 for performing anastomosis; Buttons for anastomosis
• CPC Class Codes: A61B 17/1114 of the digestive tract, e.g. bowels or oesophagus
• CPC Class Codes: A61B 17/115 Staplers for performing anastomosis in a single operation
• CPC Class Codes: A61B 17/1631 Special drive shafts, e.g. flexible shafts A61B17/1642, A61B17/164 take precedence
• CPC Class Codes: A61B 17/32002 with continuously rotating, oscillating or reciprocating cutting instruments
• CPC Class Codes: A61B 17/320758 with a rotating cutting instrument, e.g. motor driven A61B17/320725, A61B17/32075 and A61B17/320783 take precedence; for removing intra-ocular material A61F9/00763; endoscopic rotatable cutting instruments A61B17/32002
• CPC Class Codes: A61B 2010/0208 Biopsy devices with actuators, e.g. with triggered spring mechanisms
• CPC Class Codes: A61B 2017/00022 Sensing or detecting at the treatment site
• CPC Class Codes: A61B 2017/00039 Electric or electromagnetic phenomena other than conductivity, e.g. capacity, inductivity, Hall effect
• CPC Class Codes: A61B 2017/00199 with a console, e.g. a control panel with a display
• CPC Class Codes: A61B 2017/003 Steerable
• CPC Class Codes: A61B 2017/00323 Cables or rods
• CPC Class Codes: A61B 2017/00398 using powered actuators, e.g. stepper motors, solenoids
• CPC Class Codes: A61B 2017/00464 for use with different instruments with hole for different instruments A61B2017/22072
• CPC Class Codes: A61B 2017/00473 Distal part, e.g. tip or head A61B2017/00464 takes precedence
• CPC Class Codes: A61B 2017/00477 : Coupling A61B2017/0046 takes precedence
• CPC Class Codes: A61B 2017/00482 : with a code
• CPC Class Codes: A61B 2017/00734 : battery operated
• CPC Class Codes: A61B 2017/00831 : Material properties
• CPC Class Codes: A61B 2017/07214 : Stapler heads
• CPC Class Codes: A61B 2017/2905 : flexible
• CPC Class Codes: A61B 2017/2943 : Toothed members, e.g. rack and pinion
• CPC Class Codes: A61B 2017/320052 : Guides for cutting instruments by marking A61B2090/395
• CPC Class Codes: A61B 2017/32113 : with extendable or retractable guard or blade
• CPC Class Codes: A61B 34/30 : Surgical robots
• CPC Class Codes: A61B 34/71 : Manipulators operated by drive cable mechanisms
• CPC Class Codes: A61B 90/06 : Measuring instruments not otherwise provided for

Abstract

A flexible shaft includes a flexible, elongated outer sheath, at least one drive shaft disposed within the outer sheath and a moisture sensor disposed within the outer sheath configured to detect moisture within the outer sheath. Another flexible shaft includes a flexible, elongated outer sheath, at least one flexible drive shaft disposed within the outer sheath and a coupling connected to a distal end of the outer sheath configured to couple to a surgical attachment.

A sleeve includes an elongated shaft configured to receive a flexible shaft therein and a securing arrangement configured to selectively and variably retain the elongated shaft in any one of a number of longitudinal positions along the flexible shaft.

A surgical system includes an electro-mechanical driver, an elongated, flexible sheath, at least one drive shaft disposed within the flexible sheath, a surgical attachment coupled to the at least one drive shaft, the electro-mechanical driver configured to drive the surgical attachment, a shape-retaining sleeve, at least a portion of the flexible sleeve being disposed in the shape-retaining sleeve, the shape-retaining sleeve configured to maintain the at least portion of the flexible sheath in a predetermined shape, and an arrangement variably securing the shape-retaining member to the flexible sheath in any one of a number of longitudinal positions along the flexible sheath.

Claims

11. A flexible shaft, comprising:

a flexible, elongated outer sheath;

at least one flexible drive shaft disposed within the outer sheath; and

a coupling connected to a distal end of the outer sheath configured to couple to a surgical attachment.

1. A flexible shaft, comprising:

a flexible, elongated outer sheath;

at least one drive shaft disposed within the outer sheath; and

a moisture sensor disposed within the outer sheath configured to detect moisture within the outer sheath.

4. The flexible shaft according to claim 1, further comprising:

a coupling connected to an end of the outer sheath; and

a memory unit disposed in the coupling.

5. The flexible shaft according to claim 4, wherein the memory unit stores data including at least one of serial number data, identification data and usage data.

6. The flexible shaft according to claim 5, further comprising:

a data transfer cable disposed within the outer sheath, wherein the memory unit is logically and electrically connected to the data transfer cable.

7. The flexible shaft according to claim 1, further comprising:

a coupling detachably connected to an end of the outer sheath, the coupling being configured to detachably couple to a surgical attachment.

8. The flexible shaft according to claim 7, wherein the detachable coupling includes a locking mechanism for detachably coupling to the outer sheath.

9. The flexible shaft according to claim 8, wherein the locking mechanism includes a flexible strip locking mechanism.

10. The flexible shaft according to claim 7, wherein the coupling includes an engagement shaft including grooves and a clip having flanges, the flanges being received in longitudinal slits of a hollow engagement member of a surgical attachment, the engagement shaft being received in the clip, the clip engaging the grooves.

12. The flexible shaft according to claim 11, wherein the outer sheath is autoclavable.

13. The flexible shaft according to claim 12, wherein the outer sheath includes a fluoropolymer/silicone material.

14. The flexible shaft according to claim 11, wherein the coupling includes a locking mechanism so that the coupling attaches and detaches to the outer sheath.

15. The flexible shaft according to claim 11, wherein the locking mechanism includes a flexible strip locking mechanism.

16. The flexible shaft according to claim 11, wherein the coupling includes a connection mechanism configured to detachably couple to the surgical attachment.

17. The flexible shaft according to claim 16, wherein the connection mechanism includes an engagement shaft having grooves and a clip having flanges, the clip being configured to be received in a hollow engagement member of a surgical attachment, the flanges of the clip configured to engage in longitudinal slits of the hollow engagement member, the clip configured to receive and secure the engagement shaft in the hollow engagement member, and to frictionally engage with the grooves of the engagement shaft.

18. The flexible shaft according to claim 17, wherein the connection mechanism includes a hollow engagement member having longitudinal slits and a clip having flanges, the clip being disposed in the hollow engagement member, flanges of the clip engaging in the longitudinal slits, the clip configured to receive and secure an engagement shaft of a surgical attachment.

19. The flexible shaft according to claim 11, further comprising:

a moisture sensor disposed in the coupling and configured to detect moisture in one of the coupling and the outer sheath.

20. The flexible shaft according to claim 19, wherein the memory unit stores data including at least one of serial number data, identification data and usage data.

19-1. The flexible shaft according to claim 11, further comprising:

a memory unit disposed within one of the outer sheath and the coupling, the memory unit configured to store data.

21. A sleeve, comprising:

an elongated shaft configured to receive a flexible shaft therein; and

a securing arrangement configured to selectively and variably retain the elongated shaft in any one of a number of longitudinal positions along the flexible shaft.

22. The sleeve according to claim 21, wherein the elongated shaft is a generally shape-retaining shaft, the shaft configured to retain a longitudinal portion of the flexible shaft in a predetermined shape.

23. The sleeve according to claim 21, wherein the arrangement includes a housing including an o-ring, the arranged configured to retain the elongated shaft in a selected one of the longitudinal positions by compressing the o-ring.

24. A shaft arrangement, comprising:

an elongated flexible sheath;

at least one flexible drive shaft disposed in the flexible sheath;

a shape-retaining sleeve, at least a portion of the flexible sheath being disposed in the shape-retaining sleeve, the shape-retaining sleeve configured to maintain the at least portion of the flexible sheath in a predetermined shape; and

an arrangement variably securing the shape-retaining sleeve to the flexible sheath in any one of a number of longitudinal positions along the flexible sheath.

25. A surgical system, comprising:

an electro-mechanical driver;

an elongated, flexible sheath;

at least one drive shaft disposed within the flexible sheath;

a surgical attachment coupled to the at least one drive shaft, the electro-mechanical driver configured to drive the surgical attachment;

a shape-retaining sleeve, at least a portion of the flexible sleeve being disposed in the shape-retaining sleeve, the shape-retaining sleeve configured to maintain the at least portion of the flexible sheath in a predetermined shape; and

an arrangement variably securing the shape-retaining member to the flexible flexible sheath in any one of a number of longitudinal positions along the flexible sheath.

26-2. The sleeve according to claim 26, further comprising:

an securing arrangement configured to selectively and variably retain the elongated shaft in any one of a number of longitudinal positions along the flexible shaft.

27. A flexible shaft, comprising:

a flexible, elongated outer sheath formed from an autoclavable material; and

a drive shaft disposed within the outer sheath.

28. The flexible shaft according to claim 27, wherein the outer sheath is formed from a combination of a fluoropolymer and silicone.

29. A coupling mechanism, comprising:

an engagement shaft having grooves; and

a clip having flanges, the clip configured to secure the engagement shaft in a hollow shaft of one of a flexible shaft and a surgical attachment;

wherein the clip is configured to be received in the hollow shaft, the flanges of the clip being received in longitudinal slits of the hollow shaft, and wherein the engagement shaft is configured to be received in the clip when the clip is received in the hollow shaft, the clip engaging the grooves of the engagement shaft.

30. A coupling mechanism, comprising:

a hollow shaft having longitudinal slits; and

a clip having flanges, the clip disposed is the hollow shaft, the flanges engaging in the longitudinal slits, the clip configured to receive and secure an engagement shaft of one of a flexible shaft and a surgical instrument in the hollow shaft.

31. The coupling mechanism according to claim 30, wherein the clip is configured to engage grooves of the engagement shaft when the engagement shaft is received in the clip.

32-3. The coupling according to claim 32, wherein the rotatable drive shaft is driven by an electro-mechanical driver.

33. A coupling, comprising:

a housing;

a rotatable drive shaft engagement member, at least a portion of the rotatable drive shaft engagement member disposed in the housing, the rotatable drive shaft member configured to engage a rotatable drive shaft; and

a moisture sensor disposed in the housing configured to sense moisture in the housing.