A Sprayable Patch Applicator for Stopping Haemorrhages, a Nozzle Assembly, and a Method for Applying Surgical Haemostatics to a Target Site
AssigneeFerrosan Medical Devices A/S
InventorPeter Lund Hammershøj
Life of this patent
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Abstract
The invention regards a sprayable patch applicator for delivering a paste from a container, comprising: a delivery tube for connecting at a proximal end to the container, and a nozzle assembly at a distal end of the delivery tube for delivering the paste as a spray, preferably as a spray of droplets.
Claims28
An applicator for delivering a paste from a container, comprising:
- a delivery tube for connecting at a proximal end to the container, and
- a nozzle assembly at a distal end of the delivery tube for delivering the paste as a spray, preferably as a spray of droplets or of microparticles.
The applicator according to any of the preceding claims, wherein the paste has a viscosity of at least 500 Pa·s or between 500 Pa·s and 8000 Pa·s, preferably between 500 Pa·s and 3500 Pa·s, such as 1500 Pa·s and/or wherein the applicator is configured for delivering a spray from a paste with a viscosity of at least 500 Pa·s, or a viscosity between 500 Pa·s and 8000 Pa·s, preferably between 500 Pa·s and 3500 Pa·s, such as 1500 Pa·s.
The applicator according to any of the preceding claims, wherein the nozzle assembly comprises a nozzle head, preferably located in extension of the distal end of the delivery tube, the nozzle head having a spray orifice at the spray outlet.
The applicator according to any of the preceding claims, wherein the nozzle assembly comprises a swirl unit for creating a rotating movement of the paste.
The applicator according to any of the preceding claims, wherein the applicator is adapted for insertion into a trocar.
The applicator according to any of the preceding claims, wherein the applicator comprises a sheath enclosing the delivery tube at least partly.
The applicator according to any of the preceding claims, wherein the nozzle assembly comprises at a proximal end a central wall substantially perpendicular to a longitudinal axis of the applicator or the nozzle assembly, wherein optionally the central wall has peripheral openings connecting the delivery tube and the nozzle assembly.
The applicator according to any of the preceding claims, wherein the nozzle assembly comprises a central wall dividing the delivery tube and the swirl unit, wherein the central wall has peripheral openings connecting the delivery tube and the nozzle assembly.
A nozzle assembly according to any of the preceding claims.
Dependencies are inferred from the claim text.