A spray device includes a first spray tip having a first fluid pathway defining a first flow area, and a second spray tip includes a second fluid pathway that defines a second flow area that is larger than the first flow area of the first spray tip. The first and second spray tips are side-by-side and spaced from one another at a distal end of the spray device. When a first fluid having a volumetric flow rate is introduced into the first spray tip and a second fluid having the same volumetric flow rate is introduced into the second spray tip, the first fluid will flow through the first fluid pathway at a greater velocity than the second fluid will flow through the second fluid pathway.

A spray tip for dispensing fluids that react together includes a first lumen for a first fluid, a second lumen for a second fluid, and a dispensing cap located at distal ends of the respective first and second lumens and defining a distal end of the spray tip. The dispensing cap includes a distal end wall defining a closed end of the dispensing cap, a first spray opening formed in the distal end wall that is in fluid communication with the first lumen, a second spray opening formed in the distal end wall that is in fluid communication with the second lumen, and an external dividing wall that projects distally from the distal end wall of the dispensing cap and that extends between the first and second spray opening for forming a barrier between the first and second spray openings.

The present embodiments provide systems and medical formulations suitable for delivering therapeutic powders to a target site. In one embodiment, the system comprises a delivery device, a first powder being formed of particles of a first material, and a second powder being formed of particles of a second material, wherein the second material is different than the first material. At least some of the particles of the first powder and the second powder are bound together to form bonded particles. The bonded particles are simultaneously delivered to the target site by the delivery device. In one embodiment, a medical formulation may comprise carbomer present in a range between about 60-80% by weight of the formulation, bentonite present in a range of between about 5-15% by weight of the formulation, and calcium carbonate present in a range of between about 10-30% by weight of the formulation.

Provided is an extended length, flexible or bendable spray tip assembly for use with a multi-component surgical sealant. The tip assembly is particularly suited for use in surgical procedures having limited access to a surgical field, for example, neurosurgical procedures involving infratentorial, skull base, or transsphenoidal craniotomy, as well as the spine. The tip assembly can be used in combination with a multi-component delivery system or applicator.

An applicator for use in tissue treatment, a method and a kit using the same. The applicator includes (i) a first chamber for holding whole blood, (ii) a second chamber for holding a coagulation initiator, and (iii) a dispensing element configured for concomitantly receiving, upon actuating the applicator, a volume of whole blood from said first chamber and a volume of coagulation initiator from said second chamber and dispensing the two together onto a tissue in need of treatment.

The present invention is directed to multi-liquid loading and delivery kits comprising a first storage vessel for a first active component, a second storage vessel for a second active component, at least two transfer syringes, at least two vial adaptors, at least two cannulas with a through lumen and a multi-liquid delivery device. The delivery device has dual hollow cartridges, each with at least one throughbore at one end and plunger access at the opposing end, a kick stand, a removable dual feed funnel, a spray or drip manifold and at least one spray or drip tip assembly.

A device for delivering an agent may comprise a chamber for receiving agent through an agent inlet; and a body received within the chamber. The body may be movable in first and second directions along a longitudinal axis of the chamber. In a first configuration of the body, an amount of the agent may flow into the chamber via the agent inlet. In a second configuration of the body, the agent is prevented from flowing into the chamber via the agent inlet. When the body is transitioned from the first configuration to the second configuration, the amount of the agent may be moved from a first position along the longitudinal axis of the chamber to a second position along the longitudinal axis of the chamber.

A medical device that includes an enclosure for storing an agent, an agitator positioned adjacent to or within the enclosure and configured to oscillate relative to the enclosure, and an outlet having a first end in fluid communication with the enclosure and a second end in fluid communication with a channel of a delivery tube. Oscillation of the agitator causes the agent to move toward the outlet.

A device includes a container for accommodating a medicament, a pressure route and a valve. The pressure route, disposed in the container, includes an extending pathway, a pressure-route inlet connected with a connecting port, and a pressure-route outlet extending toward a container bottom. The valve includes a first through hole connecting spatially the pressure-route inlet and outlet, and a valve body dividing the extending pathway into a pressure-in pathway and a pressure-out pathway. The device can convey the medicament such as a hemostatic agent more stably and smoothly to effectively avoid blocking upon a field of vision of an endoscope by the disturbed medicament while hitting a target tissue. Thereupon, the medicament can be provided more precisely, continuity of an endoscopic surgery can be improved, efficiency of hemostasis can be enhanced, and also surgery time can be substantially shortened.

A method and system for forming a hemostatic hydrocolloid for dispensing into a wound site includes a polymer of oxidized derivatized esterified cellulose in solid form comprising a chain of monomers, wherein, for a first plurality of the monomers in the chain: R is OCH.sub.2(COO)CH.sub.2CH.sub.3, R1 is OCH.sub.2(COO)CH.sub.2CH.sub.3, and R2 is CH.sub.2OCH.sub.2(COO)CH.sub.2CH.sub.3; and wherein, for a second plurality of monomers in the chain: R is OCH.sub.2(COO)CH.sub.2CH.sub.3, R1 is OCH.sub.2(COO)CH.sub.2CH.sub.3, and R2 is (COO)CH.sub.2CH.sub.3 and a liquid mixed with the polymer to form a hemostatic gel for dispensing into a wound site.