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Drive shaft

About: Drive shaft is a research topic. Over the lifetime, 55307 publications have been published within this topic receiving 276236 citations. The topic is also known as: driveshaft & driving shaft.


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Patent
15 Jul 1993
TL;DR: In this paper, a rotational drive mechanism for an endoscopic surgical instrument which has a rotatable drive shaft and a mechanism for translating the rotational force of the shaft for applying fasteners to tissue during endoscopic surgery is presented.
Abstract: A drive mechanism for an endoscopic surgical instrument which has a rotatable drive shaft and a mechanism for translating the rotational force of the shaft for applying fasteners to tissue during endoscopic surgery.

1,376 citations

Patent
30 Jan 2007
TL;DR: In this paper, a surgical cutting and fastening instrument is described, which includes an end effector, a main drive shaft assembly, and a handle, which is connected to the gear drive train such that the loading force applied to the firing trigger is related to the loading forces experienced by the cutting instrument.
Abstract: A surgical cutting and fastening instrument is disclosed. According to various embodiments, the instrument includes an end effector, a main drive shaft assembly, and a handle. The handle comprises a gear drive train connected to the main drive shaft assembly, a motor for actuating the gear drive train, and a firing trigger. Retraction of the firing trigger actuates the motor. Further, the firing trigger is connected to the gear drive train such that the loading force applied to the firing trigger is related to the loading force experienced by the cutting instrument in the end effector.

1,148 citations

Patent
09 Oct 2009
TL;DR: In this paper, a motorized surgical cutting and fastening instrument has a drive shaft, a motor selectively engageable with the drive shaft and a manual return mechanism configured to operably disengage the motor from the motor shaft and retract the shaft.
Abstract: In one general aspect, various embodiments of the present invention can include a motorized surgical cutting and fastening instrument having a drive shaft, a motor selectively engageable with the drive shaft, and a manual return mechanism configured to operably disengage the motor from the drive shaft and retract the drive shaft. In at least one embodiment, a surgeon, or other operator of the surgical instrument, can utilize the manual return mechanism to retract the drive shaft after it has been advanced, especially when the motor, or a power source supplying the motor, has failed or is otherwise unable to provide a force sufficient to retract the drive shaft.

1,143 citations

Patent
30 Jan 2007
TL;DR: In this article, a surgical cutting and fastening instrument is described, which includes an end effector comprising a moveable cutting instrument for cutting an object positioned in the end-effector.
Abstract: A surgical cutting and fastening instrument is disclosed. According to various embodiments, the instrument includes an end effector comprising a moveable cutting instrument for cutting an object positioned in the end effector, a main drive shaft assembly connected to the end effector, and a handle connected to the main drive shaft assembly. The handle includes a gear drive train connected to the main drive shaft assembly, a main motor for actuating the gear drive train, and a firing trigger such that retraction of the firing trigger causes actuation of the motor. Also, the rotational position of the firing trigger is related to the position of the cutting instrument in the end effector.

1,076 citations

Patent
15 Oct 2009
TL;DR: In this article, a surgical cutting and fastening instrument is described, which includes a handle assembly that has an elongate shaft attached to it, and an end effector that is configured to support a staple cartridge.
Abstract: A surgical cutting and fastening instrument is disclosed. According to various embodiments, the instrument may include a handle assembly that has an elongate shaft attached thereto. An end effector that is configured to support a staple cartridge may be pivotally coupled to the elongate shaft. The handle assembly may support a generator of rotary motion that interfaces with a rotary drive system that may include a flexible drive shaft. The flexible drive shaft may be configured to impart a driving motion to a knife supporting assembly supported within the end effector. Such arrangement enables the end effector to be fired while being articulated relative to the elongate shaft.

1,009 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202330
202264
2021269
20201,150
20191,699
20182,640