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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0693976 (2007-03-30) |
| 등록번호 | US-8377044 (2013-02-19) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 378 인용 특허 : 9 |
Methods and devices are provided for performing various procedures using interchangeable end effectors. In general, the methods and devices allow a surgeon to remotely and selectively attach various interchangeable surgical end effectors to a shaft located within a patient's body, thus allowing the
Methods and devices are provided for performing various procedures using interchangeable end effectors. In general, the methods and devices allow a surgeon to remotely and selectively attach various interchangeable surgical end effectors to a shaft located within a patient's body, thus allowing the surgeon to perform various procedures without the need to remove the shaft from the patient's body. In an exemplary embodiment, multiple end effectors can be introduced into a body cavity. The end effectors can be disassociated or separate from one another such that they float within the body cavity. A distal end of a shaft can be positioned within the body cavity and it can be used to selectively engage one of the end effectors. In particular, the device can be configured to allow each end effector to be remotely attached and detached from the distal end of the shaft. For example, a surgeon can actuate an actuation mechanism on the proximal end of the shaft to mate one of the end effectors to the distal end of the shaft without assistance from other tools and devices. After use of the end effector, the end effector can be released and another end effector can be remotely attached to the distal end of the shaft.
1. A modular surgical device, comprising: a shaft having proximal and distal ends;an outer sleeve disposed over at least a portion of the shaft, the outer sleeve having an asymmetrical bore formed in a distal end thereof and the shaft extending through at least a portion of the asymmetrical bore;a p
1. A modular surgical device, comprising: a shaft having proximal and distal ends;an outer sleeve disposed over at least a portion of the shaft, the outer sleeve having an asymmetrical bore formed in a distal end thereof and the shaft extending through at least a portion of the asymmetrical bore;a plurality of end effectors interchangeably matable to the distal end of the shaft, each end effector having an asymmetrical protrusion formed on a proximal end thereof and configured to be received within the asymmetrical bore such that rotation of the end effector relative to the outer sleeve is prevented; andan engagement mechanism located on the distal end of the shaft and configurable between a first position in which the engagement mechanism mates one of the plurality of end effectors to the distal end of the shaft, and a second position in which the plurality of end effectors are disassociated from the shaft and from one another, the engagement mechanism being configured for mating the end effectors to the distal end of the shaft in situ without assistance from additional devices. 2. The device of claim 1, further comprising a second shaft extending adjacent to the first shaft and having a second engagement mechanism formed thereon and adapted to mate one of the plurality of end effectors to the second shaft such that movement of the second shaft is effective to actuate the end effector. 3. The device of claim 1, wherein the engagement mechanism comprises threads formed on a distal end of the shaft and adapted to mate with corresponding threads formed in a bore in at least one of the plurality of end effectors. 4. The device of claim 1, wherein the engagement mechanism comprises a male member adapted to mate with a female member formed on at least one of the plurality of end effectors. 5. The device of claim 1, wherein a shape of the asymmetrical bore is complementary to a shape of the asymmetrical protrusion. 6. The device of claim 5, wherein the shape of the asymmetrical bore and the shape of the asymmetrical protrusion are selected from one of the following shapes: square-shaped, rectangular, hexagonal, and oval-shaped. 7. The device of claim 1, wherein the plurality of end effectors are selected from the group consisting of a needle, a snare, a needle knife, a monopolar probe, a bipolar probe, a clipping device, a retractor, a band ligator, scissors, and graspers. 8. A method for processing the instrument of claim 1 for surgery, comprising: b) sterilizing the device; andc) storing the device in a sterile container. 9. A modular surgical device, comprising: an elongate member having a proximal end with an actuator and a distal end with an asymmetrical bore formed therein and a first mating element comprising a shaft disposed within the asymmetrical bore; anda plurality of end effectors for performing surgical procedures, each end effector including a second mating element adapted to mate to the first mating element on the distal end of the elongate member such that the plurality of end effectors are interchangeably matable to the elongate member, and an asymmetrical protrusion formed on a proximal end thereof and adapted to prevent rotation of the end effector relative to the elongate member when the end effector is operationally secured with the elongate member;wherein movement of the actuator is effective to cause the first mating element on the distal end of the elongate member to interchangeably attach and detach the plurality of end effectors to the elongate member to allow the plurality of end effectors to be selectively and interchangeably mated to the elongate member when the end effectors are disposed within a body cavity. 10. The device of claim 9, wherein the first mating element comprises threads. 11. The device of claim 9, further comprising a third mating element extending adjacent to the first mating element and disposed within the asymmetrical bore and adapted to mate to a corresponding fourth mating element on at least one of the plurality of end effectors, movement of a second actuator on the third mating element being effective to actuate the end effector. 12. The device of claim 9, wherein the plurality of end effectors are selected from the group consisting of a needle, a snare, a needle knife, a monopolar probe, a bipolar probe, a clipping device, a retractor, a band ligator, scissors, and graspers. 13. The device of claim 9, wherein a shape of the asymmetrical bore is complementary to a shape of the asymmetrical protrusion.
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