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US 2003/0191464 A1Published application
Endoscopic forceps instrument
AssigneePENTAX Corporation
InventorSatoshi Kidooka
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AssigneePENTAX Corporation
InventorSatoshi Kidooka
Estimating the term…
An endoscopic forceps instrument has an inserting portion to be inserted into a body cavity through an endoscope, a clevis, a pair of rivets, and a pair of opposing jaws. The clevis is coupled to a distal end of the inserting portion. The pair of rivets is coupled to the clevis. Each of the rivets has a tip end that is swaged in order to fix the rivet to the clevis. The pair of opposing jaws is pivotably coupled to respective rivets so as to be movable between an open position and a closed position. The pair of rivets is arranged in parallel to each other. Further, the pair of rivets is arranged such that the tip ends thereof, which are swaged and therefore having relatively low mechanical strength, are located and swaged at opposite sides of the clevis.
An endoscopic forceps instrument having an inserting portion to be inserted into a body cavity through an endoscope, comprising:
A forceps jaw assembly, comprising:
Dependencies are inferred from the claim text.
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From the US filing history. Foreign family members aren’t listed.
Backward citations are indexed for grants only.
The present invention relates to an endoscopic forceps instrument having a pair of opposed jaws at the distal end thereof.
Typical endoscopic forceps instruments having a pair of opposed jaws include, for example, biopsy forceps, grasping forceps, and hemostatic forceps.
FIG. 1 shows a distal end of a conventional endoscopic forceps instrument 10. The endoscopic forceps instrument 10 includes a clevis 12 coupled to the distal end of a flexible sheath 11. A pair of opposing jaws 14 is pivotably coupled to the distal end of the clevis 12 by a rivet 15. The rivet 15 is inserted into the bores 16 formed to the distal end of the clevis, and extends across the slit 13 of the clevis 12.
FIG. 1 shows a distal end of a conventional endoscopic forceps instrument;
FIG. 2 schematically shows an endoscopic forceps instrument according to an embodiment of the invention connected to a high frequency power supply;
FIG. 3 is a perspective view of the distal end of the endoscopic forceps instrument shown in FIG. 2;
Hereinafter, an embodiment of the invention will be described with reference to the accompanying drawings.
FIG. 2 schematically shows an endoscopic forceps instrument 100 according to an embodiment of the invention connected to a high frequency power supply 200.
The forceps instrument 100 includes an operation portion 102 and an inserting portion 104 connected to the distal end of the operation portion 102.
Probes or electrodes therefor: probes having pivoting end effectors, e.g. forceps
Probes or electrodes therefor: having a flexible, catheter-like structure, e.g. for heart ablation
Medical diagnosis and surgery
Term end not estimated