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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 6245044 | Variable extension combined spinal/epidural needle set and method for its use An epidural needle has an elongate tube defining a longitudinal axis having a proximal end, a distal end and an axial hollow bore having an inside diameter therethrough. The needle has a hub with a proximal end, a distal end and an open passageway having ... | 06/12/2001 |
| 6234999 | Compact needle shielding device A catheter and introducer needle assembly with needle shield that is connected to the needle hub by a pleated tether. The tether defines a plurality of holes therein to allow the introducer needle to extend through the tether. The tether prevents unwanted... | 05/22/2001 |
| 6228062 | One piece lock for splittable sheath A sheath lock for use with a splittable sheath is disclosed. The sheath lock includes a tapered slot extending from a wide untapered end to a narrow tapered end. A lock box is located adjacent the narrow tapered end of the tapered slot. The lock box has a... | 05/08/2001 |
| 6228060 | Blood seal having a spring-biased septum A blood seal having a spring-biased septum is provided for preventing the leakage of blood during the placement and use of vascular catheters and similar devices. The structure of the blood seal includes a housing with an internal channel. A spring-biased... | 05/08/2001 |
| 6224569 | Compact needle point shield A catheter and introducer needle assembly with a compact needle shield is provide. The introducer needle includes an enlarged diameter portion. The needle shield is disposed inside the catheter hub. The needle shield includes a transverse barrier to preve... | 05/01/2001 |
| 6190367 | Medical site prep device The medical site prep device of this invention includes a main body portion, preferably in the shape of a hollow ring, a sponge-like material attached to the bottom of the main body portion, a plate disposed in the center of the main body portion and a pi... | 02/20/2001 |
| 6187768 | Kit for flushing medical devices and method of preparation A kit and for flushing a medical device a method of preparing the kit is disclosed. The kit includes a container containing a mixed solution a unit dose of a pharmacologically effective amount of an antimicrobial agent and a second agent. The mixed soluti... | 02/13/2001 |
| 6174537 | Catheter flush solution and method for its use A solution of the present invention useful for flushing an intravascular catheter includes a pharmacologically acceptable sodium salt, a pharmacologically acceptable calcium salt, a pharmacologically acceptable potassium salt and about one milligram per m... | 01/16/2001 |
| 6162182 | Pressure tip cannula A cannula that is usable to remove blood from a patient during an operation such as bypass surgery where the cannula has a pressure sensor in the form of an electronic piezoresistive chip located at or adjacent the location within the heart where the bloo... | 12/19/2000 |
| 6152900 | Needleless injection site A needleless injection site comprising a housing which defines an interior chamber and a central opening which communicates with the interior chamber. The housing further comprises an elongate, proximally extending dilator projection portion which defines... | 11/28/2000 |
| 5795339 | Catheter-advancement actuated needle retraction system A catheter-advancement actuated needle retraction system is disclosed herein. The invention includes a generally hollow barrel that houses a needle hub, which can include a flashback chamber. A needle is affixed to the distal end of the needle hub and is ... | 08/18/1998 |
| 5700250 | Catheter-advancement actuated needle retraction system A catheter-advancement actuated needle retraction system is disclosed herein. The invention includes a generally hollow barrel that houses a needle hub, which can include a flashback chamber. A needle is affixed to the distal end of the needle hub and is ... | 12/23/1997 |
| 5688747 | Water based lubricant solution The two part tipping lubricant of this invention comprises water as the solvent. The lubricant is a silicone surfactant, which is non-ionic and which is a good lubricating fluid. No separate surfactant or lubricant is needed. The lubricant solution into w... | 11/18/1997 |
| 5676656 | Control forward introducer needle and catheter assembly The catheter includes a catheter hub at its proximal end having a pair of spaced apart squeeze grips radially extending from the catheter hub. The needle is connected at its proximal end to a needle hub. The needle hub has a circumferentially extending bu... | 10/14/1997 |
| 5676658 | Catheter-advancement actuated needle retraction system A catheter-advancement actuated needle retraction system is disclosed herein. The invention includes a generally hollow barrel that houses a needle hub, which can include a flashback chamber. A needle is affixed to the distal end of the needle hub and is ... | 10/14/1997 |
| 5674201 | Rotatable catheter housed within a flexible wing assembly A winged IV catheter assembly includes a central tube having a proximal end and a distal end secured to a catheter. The outer circumference of the central tube has at least one annular bead. The assembly also includes a winged inserter having a longitudin... | 10/07/1997 |
| 5653695 | Water soluble lubricant for medical devices This invention relates to a new water soluble lubricant for a medical device, such as a catheter and an introducer needle. The lubricant is a silicone surfactant, which is non-ionic and which is a good lubricating fluid. Preferably the silicone surfactant... | 08/05/1997 |
| 5601536 | Needle tip cover A needle and a cover with a needle having an elongate shank and a tip with a sharpened point. The cover is coaxially associated with the elongate shank for movement therealong toward the tip and includes a part for extending beyond the sharpened point whe... | 02/11/1997 |
| 5589120 | Process of making a shaped tip on a catheter This invention relates to a process of making a shaped tip on a catheter. In this process, a lubricant solution is placed on a catheter, the catheter is placed on a mandrel, the catheter is heated, and the mandrel is engaged with a die to form a shaped ti... | 12/31/1996 |
| 5584810 | Needle point guard assembly A needle point guard assembly includes inner and outer housings disposed in nested relationship to one another to permit relative rotation therebetween. The proximal end walls of the inner and outer housings have apertures each of which is dimensioned to ... | 12/17/1996 |
| 5582597 | Rotary ram collet lock needle point guard A needle point guard having a movable collet to lock the needle in place in the shielded position is provided. The needle point guard of this invention includes a housing, a collet, a rotary ram, a threaded cam fixed to the rotary ram, a spring disposed b... | 12/10/1996 |
| 5575777 | Retractable needle cannula insertion set with refinements to better control leakage, retraction speed and reuse Leakage of blood from the insertion set, during and after safety-needle retraction, is suppressed by components that receive and retain flash blood for viewing--notwithstanding forces developed within the device in retraction. One preferred such system in... | 11/19/1996 |
| 5568815 | Self-powered interface circuit for use with a transducer sensor An interface circuit for interfacing a semiconductor transducer sensor to a patient vital signs monitor is disclosed. In one embodiment, the interface circuit includes a power supply circuit that receives an excitation power signal generated by the patien... | 10/29/1996 |
