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Surgical stapler with discrete staple height adjustment and tactile feedback

A technique of surgical suture and staples, which is applied in the fields of surgical fixation, medical science, surgery, etc., and can solve problems affecting the formation of staples, etc.

Active Publication Date: 2015-04-15
ETHICON ENDO SURGERY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While some surgical staplers have visual readouts that indicate staple height, surgeons may need to focus on many different things during surgery
Furthermore, once the anvil has been properly positioned, it is necessary that the anvil not move during firing, which could negatively affect proper staple formation

Method used

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  • Surgical stapler with discrete staple height adjustment and tactile feedback
  • Surgical stapler with discrete staple height adjustment and tactile feedback
  • Surgical stapler with discrete staple height adjustment and tactile feedback

Examples

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Embodiment Construction

[0033] Certain embodiments will now be described in order to provide a general understanding of the disclosed structure, function, principles of manufacture, use of devices and methods of the present invention. One or more examples of these embodiments are illustrated in the accompanying drawings. Those skilled in the art will appreciate that the devices and methods specifically described in this application and illustrated in the accompanying drawings are non-limiting embodiments and that the scope of these embodiments is defined only by the claims. Features shown or described in relation to one embodiment may be combined with features of other embodiments. Further, when an order of steps in a process is indicated, such order may be rearranged, or steps may be performed concurrently, as desired, unless illogical or explicitly required by the listed order. Such modifications and variations are intended to come within the scope of the appended claims.

[0034] In the followin...

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Abstract

In various embodiments, a surgical stapler is provided that may comprise a body, a stapling head operably coupled to the body, an anvil movably supported relative to the stapling head for selective travel toward and away from the stapling head, and an anvil adjustment shaft supported by the body for selectively adjusting a position of the anvil relative to the stapling head. The adjustment shaft and / or the body may be configured to establish at least one predetermined staple forming height between the anvil and the stapling head irrespective of adjustment shaft rotation. Additionally, the adjustment shaft and / or the body may be configured to provide tactile feedback to a user rotating the anvil adjustment shaft, thereby providing the user of an indication of when an appropriate staple forming height has been reached. Various integrations of components described herein may also reduce the part count required for a surgical stapler, thereby reducing assembly time and manufacturing cost.

Description

Background technique [0001] Embodiments of the present invention generally relate to surgical staplers, and more particularly, to circular staplers that include discrete staple height adjustments. [0002] In certain types of surgery, the use of surgical staples has become the preferred method of joining tissue, and therefore specially configured surgical staplers have been developed for such uses. For example, endoluminal or circular staplers have been developed for the surgical procedure known as stapling. Circular staplers for performing anastomoses are disclosed, for example, in U.S. Patent Nos. 5,104,025, 5,205,459, 5,285,945, and 5,309,927, and U.S. Patent Application No. 12 / 408,905, each of which is incorporated herein by reference in its entirety . [0003] One type of anastomosis involves surgery in which the diseased portion is removed and then the segments of bowel are joined together. This procedure entails rejoining the ends of the two tubular sections together...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/115A61B19/00A61B17/29A61B17/072
CPCA61B17/1155A61B2017/2916A61B17/072A61B17/115A61B2019/304A61B2017/0725A61B2090/034
Inventor A·O·津曼
Owner ETHICON ENDO SURGERY INC
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