ADAPTERS FOR USE BETWEEN SURGICAL HANDLE ASSEMBLY AND SURGICAL END EFFECTOR

• US 20110174099A1
• Filed: 11/15/2010
• Published: 07/21/2011
• Est. Priority Date: 12/02/2009
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Bryant, Teddy R., Beardsley, John W., Zemlok, Michael A., Ross, Adam J., Datcuk, Peter
• Granted Patent: US 8,806,973 B2
• Time in Patent Office: Days
• US Class Current: 74/89.32
• 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 17/072 for applying a row of staples in a single action , e.g. the staples being applied simultaneously
• CPC Class Codes: A61B 17/115 Staplers for performing anastomosis in a single operation
• CPC Class Codes: A61B 2017/0023 disposable
• 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 2090/031 torque limiting
• CPC Class Codes: Y10T 74/18568 Reciprocating or oscillating to or from alternating rotary
• CPC Class Codes: Y10T 74/18648 Carriage surrounding, guided by, and primarily supported by member other than screw [e.g., linear guide, etc.]

Abstract

Adapter assemblies are provided for selectively interconnecting a surgical end effector that is configured to perform at least a pair of functions and a surgical device that is configured to actuate the end effector, wherein the end effector includes a first axially translatable drive member and a second axially translatable drive member, and wherein the surgical device includes a first rotatable drive shaft and a second rotatable drive shaft.

Claims

1. An adapter assembly for selectively interconnecting a surgical end effector that is configured to perform a function and a surgical device that is configured to actuate the end effector, the end effector including at least one axially translatable drive member, and the surgical device including at least one rotatable drive shaft, the adapter assembly comprising:

a housing configured and adapted for connection with the surgical device and to be in operative communication with each of the at least one rotatable drive shaft of the surgical device;

an outer tube having a proximal end supported by the housing and a distal end configured and adapted for connection with the end effector, wherein the distal end of the outer tube is in operative communication with each of the at least one axially translatable drive member of the end effector;

at least one drive converter assembly for interconnecting a respective one of the at least one rotatable drive shaft of the surgical device and one of the at least one axially translatable drive member of the end effector, wherein the at least one drive converter assembly includes a first end that is connectable to a first rotatable drive shaft of the surgical device and a second end that is connectable to a first axially translatable drive member of the end effector, wherein the at least one drive converter assembly converts and transmits a rotation of the first rotatable drive shaft of the surgical device to an axial translation of the first axially translatable drive member of the end effector.

2. The adapter assembly according to claim 1, further comprising at least one coupling sleeve rotatably supported in the housing, the at least one rotatable coupling sleeve being configured and adapted for selective connection to the first rotatable drive shaft of the surgical device;

and

wherein the at least one drive converter assembly includes;

a hollow tube rotatably disposed within the housing and the outer tube, wherein a proximal end of the hollow tube is in operative communication with the coupling sleeve;

a coupling nut connected to a distal end of the outer tube; and

an axially translatable drive shaft having a threaded proximal portion connected to the coupling nut and a distal portion configured and adapted for selective connection to an axially translatable drive member of the end effector,

wherein rotation of the first rotatable drive shaft of the surgical device results in rotation of the at least one coupling sleeve, the hollow tube and the coupling nut, and wherein rotation of the coupling nut results in axial translation of the axially translatable drive shaft of the at least one drive converter assembly and of the axially translatable drive member of the end effector.

3. The adapter assembly according to claim 2, further comprising a flexible drive cable interconnecting the at least one coupling sleeve and the hollow tube.

4. The adapter assembly according to claim 2, further comprising a lock mechanism for fixing at least one of an axial position and radial orientation of the axially translatable drive shaft of the at least one drive converter assembly.

5. The adapter assembly according to claim 1, further comprising at least one coupling sleeve rotatably supported in the housing, the at least one rotatable coupling sleeve being configured and adapted for selective connection to the first rotatable drive shaft of the surgical device;

and

wherein the at least one drive converter assembly includes;

a drive shaft rotatably disposed within the housing and the outer tube of the adapter assembly;

wherein a proximal end portion of the drive shaft of the at least one drive converter assembly is in operative communication with the coupling sleeve, and wherein the drive shaft of the at least one drive converter assembly includes a threaded distal end portion; and

an axially translatable drive bar having a threaded proximal portion connected to the threaded distal portion of the drive shaft of the at least one drive converter assembly and a distal end portion configured and adapted for selective connection to an axially translatable drive member of the end effector,

wherein rotation of the first rotatable drive shaft of the surgical device results in rotation of the at least one coupling sleeve and the rotatable drive shaft of the at least one drive converter assembly, and wherein rotation of the rotatable drive shaft of the at least one drive converter assembly results in axial translation of the axially translatable drive bar and the axially translatable drive member of the end effector.

6. The adapter assembly according to claim 5, further comprising a flexible drive cable interconnecting the at least one coupling sleeve and the drive shaft of the at least one drive converter assembly.

7. The adapter assembly according to claim 1, further comprising:

a first coupling sleeve rotatably supported in the housing, the first rotatable coupling sleeve being configured and adapted for selective connection to a first rotatable drive shaft of the surgical device;

a second coupling sleeve rotatably supported in the housing, the second rotatable coupling sleeve being configured and adapted for selective connection to a second rotatable drive shaft of the surgical device; and

wherein the at least one drive converter includes a first drive converter assembly and a second drive converter assembly;

wherein the first drive converter assembly includes;

a hollow tube rotatably disposed within the housing and the outer tube, wherein a proximal end of the hollow tube is in operative communication with the first coupling sleeve;

a coupling nut connected to a distal end of the outer tube; and

a first axially translatable drive shaft having a threaded proximal portion connected to the coupling nut and a distal portion configured and adapted for selective connection to a first axially translatable drive member of the end effector;

wherein rotation of the first rotatable drive shaft of the surgical device results in rotation of the first coupling sleeve, the hollow tube and the coupling nut, and wherein rotation of the coupling nut results in axial translation of the first axially translatable drive shaft and of the first axially translatable drive member of the end effector; and

wherein the second drive converter assembly includes;

a drive shaft rotatably disposed within the housing and the outer tube of the adapter assembly;

wherein a proximal end portion of the drive shaft of the second drive converter assembly is in operative communication with the second coupling sleeve, and wherein the drive shaft of the second drive converter assembly includes a threaded distal end portion; and

an axially translatable drive bar having a threaded proximal portion connected to the threaded distal portion of the drive shaft of the second drive converter assembly and a distal end portion configured and adapted for selective connection to a second axially translatable drive member of the end effector;

wherein rotation of the second rotatable drive shaft of the surgical device results in rotation of the second coupling sleeve and of the rotatable drive shaft of the second drive converter assembly, and wherein rotation of the rotatable drive shaft of the second drive converter assembly results in axial translation of the axially translatable drive bar and of the second axially translatable drive member of the end effector.

8. The adapter assembly according to claim 7, further comprising a first flexible drive cable interconnecting the first coupling sleeve and the hollow tube of the first drive converter assembly, and a second flexible drive cable interconnecting the second coupling sleeve and the drive shaft of the second drive converter assembly.

9. The adapter assembly according to claim 7, further comprising a lock mechanism for fixing at least one of an axial position and radial orientation of the first axially translatable drive shaft of the first drive converter assembly.

10. The adapter assembly according to claim 1, further comprising at least one recognition sensor supported proximate at least one of a distal end thereof and a proximal end thereof.

11. The adapter assembly according to claim 1, further comprising at least one coupling sleeve rotatably supported in the housing, the at least one rotatable coupling sleeve being configured and adapted for selective connection to the first rotatable drive shaft of the surgical device;

and

wherein the at least one drive converter assembly includes;

a drive shaft rotatably disposed within the housing and the outer tube, wherein a proximal end of the drive shaft of the at least one drive converter assembly is in operative communication with the coupling sleeve, wherein the drive shaft of the at least one drive converter assembly has a threaded distal end portion;

a drive coupling nut threadably connected to the distal end portion of the drive shaft of the at least one drive converter assembly, wherein the drive coupling nut is inhibited from axial rotation relative to the drive shaft of the at least one drive converter assembly; and

an axially translatable drive bar having a proximal portion connected to the drive coupling nut and a distal portion configured and adapted for selective connection to an axially translatable drive member of the end effector,

wherein rotation of the first rotatable drive shaft of the surgical device results in rotation of the drive shaft of the at least one drive converter assembly, and wherein rotation of the drive shaft of the at least one drive converter assembly results in axial translation of the drive coupling nut and the drive bar that is connected thereto.

12. The adapter assembly according to claim 1, further comprising at least one coupling sleeve rotatably supported in the housing, the at least one rotatable coupling sleeve being configured and adapted for selective connection to the first rotatable drive shaft of the surgical device;

and

wherein the at least one drive converter assembly includes;

a drive shaft rotatably disposed within the housing and the outer tube, wherein a proximal end of the drive shaft of the at least one drive converter assembly is in operative communication with the coupling sleeve, wherein the drive shaft of the at least one drive converter assembly has a threaded distal end portion;

a coupling cuff threadably connected to the distal end portion of the drive shaft of the at least one drive converter assembly, wherein the coupling cuff is supported for axial translation and rotation within the housing of the adapter assembly; and

an axially translatable drive bar having a proximal portion connected to the coupling cuff and a distal portion configured and adapted for selective connection to an axially translatable drive member of the end effector,

wherein rotation of the first rotatable drive shaft of the surgical device results in rotation of the drive shaft of the at least one drive converter assembly, and wherein rotation of the drive shaft of the at least one drive converter assembly results in axial translation of the coupling cuff and the drive bar that is connected thereto.

13. The adapter assembly according to claim 12, wherein the drive shaft of the at least one drive converter assembly defines an axis of rotation, and wherein the coupling cuff defines an axis of rotation that is spaced a radial distance from the axis of rotation of the drive shaft of the at least one drive converter assembly.

14. The adapter assembly according to claim 1, further comprising:

a first coupling sleeve rotatably supported in the housing, the first rotatable coupling sleeve being configured and adapted for selective connection to a first rotatable drive shaft of the surgical device;

a second coupling sleeve rotatably supported in the housing, the second rotatable coupling sleeve being configured and adapted for selective connection to a second rotatable drive shaft of the surgical device; and

wherein the at least one drive converter includes a first drive converter assembly and a second drive converter assembly;

wherein the first drive converter assembly includes;

a first drive shaft rotatably disposed within the housing and the outer tube, wherein a proximal end of the first drive shaft of the first drive converter assembly is in operative communication with the first coupling sleeve, wherein the first drive shaft of the first drive converter assembly has a threaded distal end portion;

a drive coupling nut threadably connected to the distal end portion of the first drive shaft of the first drive converter assembly, wherein the drive coupling nut is inhibited from axial rotation relative to the first drive shaft of the first drive converter assembly; and

a first axially translatable drive bar having a proximal portion connected to the drive coupling nut and a distal portion configured and adapted for selective connection to a first axially translatable drive member of the end effector,

wherein rotation of the first rotatable drive shaft of the surgical device results in rotation of the first drive shaft of the first drive converter assembly, and wherein rotation of the first drive shaft of the first drive converter assembly results in axial translation of the drive coupling nut and the first drive bar that is connected thereto; and

wherein the second drive converter assembly includes;

a second drive shaft rotatably disposed within the housing and the outer tube, wherein a proximal end of the second drive shaft of the second drive converter assembly is in operative communication with the second coupling sleeve, wherein the second drive shaft of the second drive converter assembly has a threaded distal end portion;

a coupling cuff threadably connected to the distal end portion of the second drive shaft of the second drive converter assembly, wherein the coupling cuff is supported for axial translation and rotation within the housing of the adapter assembly; and

a second axially translatable drive bar having a proximal portion connected to the coupling cuff and a distal portion configured and adapted for selective connection to a second axially translatable drive member of the end effector,

wherein rotation of the second rotatable drive shaft of the surgical device results in rotation of the second drive shaft of the second drive converter assembly, and wherein rotation of the second drive shaft of the second drive converter assembly results in axial translation of the coupling cuff and the second drive bar that is connected thereto.

15. The adapter assembly according to claim 14, further comprising a lock mechanism for fixing at least one of an axial position and radial orientation of the first axially translatable drive shaft of the first drive converter assembly.

16. An adapter assembly for selectively interconnecting a surgical end effector that is configured to perform at least a pair of functions and a surgical device that is configured to actuate the end effector, the end effector including a first axially translatable drive member and a second axially translatable drive member, and the surgical device including a first rotatable drive shaft and a second rotatably drive shaft, the adapter assembly comprising:

a housing configured and adapted for connection with the surgical device and to be in operatively communication with each of the first and second rotatable drive shafts of the surgical device;

an outer tube having a proximal end supported by the housing and a distal end configured and adapted for connection with the end effector, wherein the distal end of the outer tube is in operative communication with each of the first and second axially translatable drive members of the end effector;

a first drive converter assembly having a first end that is connectable to the first rotatable drive shaft of the surgical device and a second end that is connectable to the first axially translatable drive member of the end effector, wherein the first drive converter assembly converts and transmits a rotation of the first rotatable drive shaft of the surgical device to an axial translation of the first axially translatable drive member of the end effector; and

a second drive converter assembly having a first end that is connectable to the second rotatable drive shaft of the surgical device and a second end that is connectable to the second axially translatable drive member of the end effector, wherein the second drive converter assembly converts and transmits a rotation of the second rotatable drive shaft of the surgical device to an axial translation of the second axially translatable drive member of the end effector.