"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 6835184 | Method and device for abrading skin A device includes a plurality of microneedles for abrading the stratum corneum of the skin to form a plurality of grooves in the tissue having a controlled depth and width. The microneedles have a length of about 5-250 microns and generally about 5-200 microns. The ... | 12/28/2004 |
| 6656147 | Method and delivery device for the transdermal administration of a substance A device for delivering a substance into the skin of a patient includes a housing and a plurality of microneedles for penetrating the skin. The housing includes a bottom wall with a plurality of apertures for supplying the substance to the microneedles. T... | 12/02/2003 |
| 6623457 | Method and apparatus for the transdermal administration of a substance A transdermal delivery device includes a plurality of microneedles for injecting a substance such as a pharmaceutical agent into or below the stratum corneum of the skin. The device has housing formed from a top and bottom wall to define a chamber for con... | 09/23/2003 |
| 6595947 | Topical delivery of vaccines A method for delivering a substance to the epidermal tissue of skin. The method involves simultaneously disrupting only the stratum corneum of the skin and delivering the substance to the epidermal tissue of the skin.... | 07/22/2003 |
| 6440096 | Microdevice and method of manufacturing a microdevice A device for monitoring, sampling or delivering a substance though the skin of a patient includes a support and a microdevice having at least one skin penetrating member. The support has a substantially flat bottom surface with the skin penetrating member... | 08/27/2002 |
| 6379333 | Catheter and introducer needle assembly with needle shield A catheter and introducer needle assembly with needle shield is provided wherein the needle includes an enlarged diameter portion and a distally facing shoulder. The needle shield includes a means for engaging the distally facing shoulder to prevent unwan... | 04/30/2002 |
| 6371675 | Skin disinfectant applicator The applicator for an anti-microbial prep solution of this invention includes a generally hollow handle having a closed proximal end and an open distal end, a foam pad attached to the hollow handle over the open distal end, and a slit formed in the foam p... | 04/16/2002 |
| 6325764 | Bi-level charge pulse apparatus to facilitate nerve location during peripheral nerve block procedures A self-contained electrolocation apparatus of the present invention includes an electrically conducting needle cannula having a proximal end, a distal end and a hollow bore therethrough. The invention further includes a non-conductive tube having a proxim... | 12/04/2001 |
| 6308866 | Foam forming liquid dispensing device A foam dispensing apparatus of the present invention includes a reservoir containing a foamable liquid, with a closed headspace above a surface of the liquid. The apparatus also includes a source of a gas disposed to impose a gas pressure higher than ambi... | 10/30/2001 |
| 6273871 | Catheter introducer A catheter introducer is disclosed having a splittable introducer and an introducer needle. The splittable introducer includes a pair of wings and a tray with an open top extending from the proximal end of the introducer cannula between the wings to lead ... | 08/14/2001 |
| 6273874 | Protected peelable U-wing introducer A protected peelable introducer for insertion into an anatomical passageway such as a vein or artery. The introducer comprises a needle assembly having a U-wing member and a stylet in fluid communication with the U-wing member that defines a sharpened dis... | 08/14/2001 |
| 6273877 | Epidural needle with secondary bevel An epidural needle is provided with a curved distal end to facilitate placement of a catheter into the epidural space of a spine. The distal end is further characterized by a primary bevel aligned to the longitudinal axis of the epidural needle at an angl... | 08/14/2001 |
| 6261268 | Needleless injection site A needleless injection site comprising a housing defining proximal and distal ends and including a reseal member disposed therein. The reseal member has an elastically openable and closable aperture formed therein, and normally resides within the housing ... | 07/17/2001 |
| 6210375 | Needle retraction mechanism with controlled retraction speed A needle retraction mechanism includes a hollow handle defining a cavity, a needle hub assembly movably disposed in the handle, a biasing mechanism to move the needle hub assembly from an extended position to a retracted position and a latch to hold needl... | 04/03/2001 |
| 6197001 | Vascular access device The present invention is directed to a vascular access device for introducing a catheter in a blood vessel using a guide advancing mechanism. The device generally comprises a housing, an introducer needle, a catheter, a guide wire and an actuating means. ... | 03/06/2001 |
| 6139532 | Clamping wing for catheter introducer A winged catheter introducer for use in introducing a catheter into a blood vessel is disclosed. A needle is disposed within the catheter to help penetrate a patient's blood vessel. The needle and catheter are disposed within an introducer body having a p... | 10/31/2000 |
| 6090074 | Eccentric rotary high pressure seal An eccentric rotary high pressure seal is disclosed herein. This seal includes a valve body and a spring located in a housing. The spring biases the valve body to rotate. The valve body defines a longitudinally extending passage having dimensions sufficie... | 07/18/2000 |
| 6090078 | Dampening devices and methods for needle retracting safety vascular access devices Devices and methods for slowing down or dampening the retraction velocity of an introducer needle used in connection with needle retracting safety vascular access devices. The devices and methods prevent splattering or dripping of blood caused by an intro... | 07/18/2000 |
| 6086563 | Needle retraction mechanism with push start retraction A needle retraction mechanism includes a hollow handle defining a cavity, a tab associated with the handle, a needle hub assembly movably disposed in the handle, a biasing mechanism to move the needle hub assembly from an extended position to a retracted ... | 07/11/2000 |
| 6080141 | Splittable tubular medical device and method for manufacture This invention relates to a splittable medical device incorporating two sets of preferential tear lines. The first set of preferential tear lines preferably includes two longitudinally extending skives formed along the exterior surface of the proximal por... | 06/27/2000 |
| 6050978 | Needleless valve connector A needleless valve connector is disclosed. The needleless valve connector includes a movable diaphragm assembly and an internal central cannula. The proximal portion of the internal cannula has a tapered configuration or is slotted to allow it to be radia... | 04/18/2000 |
| 6027480 | Catheter introducer A catheter introducer is disclosed having a splittable introducer and an introducer needle. The splittable introducer includes a pair of wings and a tray with an open top extending from the proximal end of the introducer cannula between the wings to lead ... | 02/22/2000 |
| 6012034 | System and method for selecting an intravenous device A computer system comprising a control program stored in a memory recommends an intravenous device for infusion therapy based on input entered by a user. The control program includes an execution program for interacting with the user to elicit responses a... | 01/04/2000 |
| 6003386 | Disposable mass flow transducer A single, disposable differential transducer having a molded plastic body in which there is a pair of chambers separated by a strain gage electronic chip that flexes in accordance with the difference in the pressures between the two chambers. The plastic ... | 12/21/1999 |
| 6003553 | Female Luer connector A female part of a Luer connector is provided with at least one abutment 10 at or adjacent the distal end of its interior for limiting movement of a mating male part within the female part. The abutment 10 extends around a portion only of the periphery of... | 12/21/1999 |
| 6004294 | Catheter and introducer needle assembly with needle shield A catheter and introducer needle assembly with needle shield is provided wherein the needle includes an enlarged diameter portion and a distally facing shoulder. The needle shield includes a means for engaging the distally facing shoulder to prevent unwan... | 12/21/1999 |
| 5989229 | Needle cover assembly having self-contained drug applicator A needle cover assembly is provided that incorporates a drug applicator therein. The needle cover assembly includes an inner sleeve and an outer sleeve. The inner sleeve is formed from a hard material and acts as a needle shield. The inner sleeve also inc... | 11/23/1999 |
| 5957887 | Infusion catheter assembly needle protection device A medical catheter device that has a housing containing a needle and needle hub that are movable between a retracted position where the needle is safely within the protection of the housing and an extended position where the needle extends from the housin... | 09/28/1999 |
| 5951515 | Medical needle guard for catheter placement A side button is located at the distal end of a housing forming part of an I.V. catheter and which is movable between a first position to allow longitudinal movement of a needle ands a second position preventing movement of the needle. The side button is ... | 09/14/1999 |
| 5950986 | Valved PRN adapter for medical access devices A valved adapter for connecting a fluid handling device to a medical device includes a body with a longitudinal axis having a proximal end, a distal end and a chamber therewithin. The body includes a passageway from the proximal end to the distal end and ... | 09/14/1999 |
| 5935110 | Control forward/flashback forward one hand introducer needle and catheter assembly The catheter includes a catheter hub at its proximal end having a radially extending wing. The needle is connected at its proximal end to a needle hub. The needle may have at least one notch therein. The needle hub defines a radially extending fin thereon... | 08/10/1999 |
| 5913845 | Needle puller/catheter adaptor coupling device Disclosed is a yoke latch for coupling a needle puller and a catheter adaptor of a vascular access device. The yoke latch generally comprises a push bar, at least one prong attached to the push bar, and at least one locking tab attached to the prong. The ... | 06/22/1999 |
| 5911705 | One step catheter advancement automatic needle retraction system The one step catheter advancement automatic needle retraction system of this invention includes a generally hollow barrel, a needle hub which can include a flashback chamber disposed in the barrel, a secondary flashback chamber disposed in the barrel, a b... | 06/15/1999 |
| 5889212 | Dual chamber differential pressure transducer with multiple inlet and outlet ports A single, disposable differential transducer having a molded plastic body in which there is a pair of chambers separated by a strain gage electronic chip that flexes in accordance with the difference in the pressures between the two chambers. The plastic ... | 03/30/1999 |
| 5879334 | 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... | 03/09/1999 |
| 5866821 | Apparatus for a temperature compensation of a catheter tip pressure transducer A compensation circuit for a resistance bridge corrects errors in the response of signal outputs thereof and has a voltage controlled current source across a power input and a ground reference providing a bridge excitation output current proportional to a... | 02/02/1999 |
| 5865806 | One step catheter advancement automatic needle retraction system The one step catheter advancement automatic needle retraction system of this invention includes a generally hollow barrel, a needle hub which can include a flashback chamber disposed in the barrel, a secondary flashback chamber disposed in the barrel, a b... | 02/02/1999 |
| 5862310 | Data formatting system A data formatting system for formatting an unformatted data stream, and communicating the formatted data stream and a format to a printer output device. The data formatting system includes a format generator which enables user design and creation of forma... | 01/19/1999 |
| 5848997 | Disconnect for medical access devices A disconnect device for placement in a medical tubing set of the present invention includes a first portion with a first passageway therethrough that has a first valve therein. While the first valve is biased in a normally closed position to close the fir... | 12/15/1998 |
| 5830190 | Protected needle catheter placement device having needle placement visualization features and method for its use An over-the-needle catheter placement assembly includes an elongate catheter with an open bore therethrough. The catheter has a tapered distal end and a proximal end with a hub. The assembly includes an elongate hollow handle with a distal end that has an... | 11/03/1998 |