Laparoscopic gastric and intestinal trocar
OwnerElmer Valininventor
Life of this patent
Estimating the term…
Abstract
A trocar needle includes an elongate body having a distal end portion and a proximal end portion, a penetrating tip formed at the distal end portion of the body, and an attachment portion formed at the proximal end portion for attaching a tether thereto. A grip region can further be provided and can be formed for example, at the proximal end portion of the body to facilitate gripping by a surgical grasping device. Additionally or alternatively, a notch or otherwise reduced cross-sectional area can be provided. Such a feature can be formed, for example, at the distal end portion of the body, arranged proximal from a distal end thereof for enhancing haptic perception by a surgeon when utilizing the needle.
Claims19
A trocar needle comprising:
- (a) a curved elongate body having an outer circumference, a distal end portion, a proximal end portion and an outer circumferential surface, said outer circumferential surface transitioning proximally to a recessed grip region at the proximal end portion, said recessed grip region having opposed surfaces recessed from the outer circumferential surface;
- (b) a penetrating tip formed at the distal end portion of the body and at least one angled facet converging at the penetrating tip;
- and
- (c) a notch formed at the distal end portion of the curved body, immediately proximal the penetrating tip, the notch being defined by a surface extending between the outer circumferential surface and the at least one angled facet thereof, said notch configured for enhancing visualization, control and haptic perception by a surgeon when utilizing the needle.
A trocar needle assembly comprising:
- (a) an anvil;
- (b) a tether having first and second opposing ends wherein a first end is coupled to the anvil;
- and
- (c) a trocar needle coupled to the second end of the tether, the trocar needle including:
- (i) a curved elongate body having an outer circumference, a distal end portion, a proximal end portion and an outer circumferential surface, said outer circumferential surface transitioning proximally to a recessed grip region at the proximal end portion, said recessed grip region having opposed surfaces recessed from the outer circumferential surface;
- (ii) a penetrating tip formed at the distal end portion of the body and at least one angled facet converging at the penetrating tip;
- and
- (iii) a notch formed at the distal end portion of the curved body immediately proximal the penetrating tip, the notch being defined by a surface extending between the outer circumferential surface and the at least one angled facet thereof, said notch configured for enhancing visualization, control and haptic perception by a surgeon when utilizing the needle.
Dependencies are inferred from the claim text.