Compact endoscopic surgical blade assembly and method of use thereof
An endoscopic surgical device comprising a slotted clear cannula, a blade and a housing, wherein the cannula is attached to the housing, and wherein the blade is enclosed in the housing and is slidable into the cannula is disclosed. The blade is enclosed within the housing and cannula, and has a horizontally-oriented pushing component and a vertically-oriented cutting component that protrudes through the slot of the cannula. A method for a performing an operative procedure on a target tissue in a subject using the endoscopic surgical device is also described.
1. An endoscopic surgical device, comprising:
(a) a housing having a proximate end and a distal end;
(b) a slotted clear cannula attached to said distal end of said housing, said slotted clear cannula comprises a cannula body having a proximate end and a distal end, and a slot extending from said proximate end of said cannula to the proximity of said distal end of said cannula;
(c) a revolver assembly located within said housing, comprising:
a slide lock having a proximate end and a distal end;
a scraper;
a blade assembly; and
a circular revolver body comprising a selector switch, wherein said selector switch allows selection of said scraper or said blade for deployment; and
(d) a tube assembly having a proximate end and a distal end, said distal end of said tube assembly is located within said housing and extends through said revolver, said tube assembly is capable of entering said slotted clear cannula from said proximate end of said clear cannula,
wherein the endoscopic surgical device further comprises a rotary clip that prevents said scraper and said blade from sliding when in undeployed positions, and wherein said rotary clip comprises a tab that engages with an inside surface of said housing and an opening that allows deployment of said scraper or said blade.
2. A method for a performing a uniportal endoscopic surgical procedure on a target tissue using the endoscopic surgical device of claim 1 , comprising:
establishing an entry portal in said subject,
inserting into said entry portal said cannula of said endoscopic surgical device;
extending said cannula through said entry portal to said target tissue;
advancing an endoscope into said cannula visualize a target tissue; and
advancing said blade into said cannula until a desired cut is made on said target tissue.
3. The method of claim 2 , wherein the uniportal endoscopic surgical procedure is selected from the group consisting of trigger finger release, carpal tunnel release, cubital tunnel release, plantar fascia release, lateral release for patella realignment, release of the extensor tendons, release of the posterior or other compartments of the leg, and forearm fascial release.
4. An endoscopic surgical device, comprising:
(a) a housing having a proximate end and a distal end;
(b) a slotted clear cannula attached to said distal end of said housing, said slotted clear cannula comprises a cannula body having a proximate end and a distal end, and a slot extending from said proximate end of said cannula to the proximity of said distal end of said cannula;
(c) a revolver assembly located within said housing, comprising:
a slide lock having a proximate end and a distal end;
a scraper;
a blade assembly; and
a circular revolver body comprising a selector switch, wherein said selector switch allows selection of said scraper or said blade for deployment; and
(d) a tube assembly having a proximate end and a distal end, said distal end of said tube assembly is located within said housing and extends through said revolver, said tube assembly is capable of entering said slotted clear cannula from said proximate end of said clear cannula,
wherein said slide lock further comprises one or more retaining tabs that hold a rotary clip.
5. A method for a performing a uniportal endoscopic surgical procedure on a target tissue using the endoscopic surgical device of claim 4 , comprising:
establishing an entry portal in said subject,
inserting into said entry portal said cannula of said endoscopic surgical device;
extending said cannula through said entry portal to said target tissue;
advancing an endoscope into said cannula visualize a target tissue; and
advancing said blade into said cannula until a desired cut is made on said target tissue.
6. The method of claim 5 , wherein the uniportal endoscopic surgical procedure is selected from the group consisting of trigger finger release, carpal tunnel release, cubital tunnel release, plantar fascia release, lateral release for patella realignment, release of the extensor tendons, release of the posterior or other compartments of the leg, and forearm fascial release.
7. An endoscopic surgical device, comprising:
(a) a housing having a proximate end and a distal end;
(b) a slotted clear cannula attached to said distal end of said housing, said slotted clear cannula comprises a cannula body having a proximate end and a distal end, and a slot extending from said proximate end of said cannula to the proximity of said distal end of said cannula;
(c) a revolver assembly located within said housing, comprising:
a slide lock having a proximate end and a distal end;
a scraper;
a blade assembly; and
a circular revolver body comprising a selector switch, wherein said selector switch allows selection of said scraper or said blade for deployment; and
(d) a tube assembly having a proximate end and a distal end, said distal end of said tube assembly is located within said housing and extends through said revolver, said tube assembly is capable of entering said slotted clear cannula from said proximate end of said clear cannula,
wherein said slide lock comprises a pair of wings that engage with said revolver.
8. The endoscopic surgical device of claim 7 , wherein said slide lock further comprises a disc at said proximate end of said slide lock.
9. A method for a performing a uniportal endoscopic surgical procedure on a target tissue using the endoscopic surgical device of claim 7 , comprising:
establishing an entry portal in said subject,
inserting into said entry portal said cannula of said endoscopic surgical device;
extending said cannula through said entry portal to said target tissue;
advancing an endoscope into said cannula visualize a target tissue; and
advancing said blade into said cannula until a desired cut is made on said target tissue.
10. The method of claim 9 , wherein the uniportal endoscopic surgical procedure is selected from the group consisting of trigger finger release, carpal tunnel release, cubital tunnel release, plantar fascia release, lateral release for patella realignment, release of the extensor tendons, release of the posterior or other compartments of the leg, and forearm fascial release.
11. An endoscopic surgical device, comprising:
(a) a housing having a proximate end and a distal end;
(b) a slotted clear cannula attached to said distal end of said housing, said slotted clear cannula comprises a cannula body having a proximate end and a distal end, and a slot extending from said proximate end of said cannula to the proximity of said distal end of said cannula;
(c) a revolver assembly located within said housing, comprising:
a slide lock having a proximate end and a distal end;
a scraper;
a blade assembly; and
a circular revolver body comprising a selector switch; wherein said selector switch allows selection of said scraper or said blade for deployment; and
(d) a tube assembly having a proximate end and a distal end, said distal end of said tube assembly is located within said housing and extends through said revolver, said tube assembly is capable of entering said slotted clear cannula from said proximate end of said clear cannula, and wherein said blade assembly comprises a pusher base and a cutting blade,
wherein said pusher base comprises a notch that is capable of engaging with a tool selector on said tube assembly, and wherein said cutting blade comprises a tab that embeds into said pusher base.
12. A method for a performing a uniportal endoscopic surgical procedure on a target tissue using the endoscopic surgical device of claim 11 , comprising:
establishing an entry portal in said subject,
inserting into said entry portal said cannula of said endoscopic surgical device;
extending said cannula through said entry portal to said target tissue;
advancing an endoscope into said cannula visualize a target tissue; and
advancing said blade into said cannula until a desired cut is made on said target tissue.
13. The method of claim 12 , wherein the uniportal endoscopic surgical procedure is selected from the group consisting of trigger finger release, carpal tunnel release, cubital tunnel release, plantar fascia release, lateral release for patella realignment, release of the extensor tendons, release of the posterior or other compartments of the leg, and forearm fascial release.