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Class 604/164.12 - Having biasing means for urging body piercer, obturator, or stylet


Subclass of Class 604 - Surgery
Definition: Subject matter wherein the device comprises a spring means
No. of patents: 158
Last issue date: 05/08/2012


1        
NumberTitleIssue Date
8172804Infusion medium delivery system, device and method with needle inserter and needle inserter device and method
An infusion medium delivery system, device and method for delivering an infusion medium to a patient-user, includes a needle inserter device and method for inserting a needle and/or cannula into a patient-user to convey the infusion medium to the patient-user. The n...
05/08/2012
8100860Device and method for treating vulnerable plaque
A device and method is provided for localized agent delivery through a coronary vessel. In one configuration, the device includes an elongated member having a first and second end with a tip and an aperture positioned near the second end. An injection lumen places t...
01/24/2012
8088107Hemodialysis needle and method for inserting the same
A hemodialysis needle assembly and system that includes a first outer needle having a conical tip and a sidewall where the sidewall has a plurality of apertures located adjacent the tip, a second introducer needle located within the outer needle, a guide wire locate...
01/03/2012
8062260Trocar cannula device with retention feature
A trocar cannula is disclosed. The trocar cannula comprises a cannula having at least one tab member formed therein. Each tab member is configured to provide a retention force between the cannula and tissue when the tab member is placed in a deformed position. The t...
11/22/2011
7955306Arrangement for introducing a liquid into the body of a patient
An infusion set with a guiding needle, more particularly a laterally displaceable guiding needle. ...
06/07/2011
7879010Infusion set
A device for inserting a cannula into tissue, including a cannula, a protective element which can accommodate said cannula, an operating element for moving the cannula out of the protective element, and a holder fixedly connected to the cannula. The invention encomp...
02/01/2011
7867200Inserter
The invention relates to an inserter for an infusion set for intermittent or continuous administration of a therapeutical substance such as e.g. insulin. The inserter comprises a needle unit comprising a needle hub (2) and a carrier body (4), and a can...
01/11/2011
7771394Intravenous catheter introducing device
An intravenous catheter introducing device includes a barrel, a tubular grip member disposed to hold a needle seat in a position of use so as to permit a tip end of a needle cannula to extend forwardly of the barrel, a tubular plunger which is movable along a passag...
08/10/2010
7753887Retractable needle medical device
A catheter insertion device is provided that includes an insertion needle that is retractable into the device after use to prevent exposure to the contaminated needle. The needle retainer releasably retains the needle in an extended position against the bias of the ...
07/13/2010
7488305Catheter device and method for delivering a dose internally during minimally-invasive surgery
A catheter handpiece apparatus and method for delivering a desired dose with minimal potential for contamination of the injected substance and rapid, accurate delivery of the desired dose. In one embodiment, a carriage assembly affixed to an inner lumen is slidably ...
02/10/2009
7367960Trocar system and method of use
A trocar system including a cannula and an obturator assembly being at least partially insertable through the cannula. The obturator assembly including a housing, a penetrating tip disposed at a distal end, an elongated shield including a guard extending from a shaf...
05/06/2008
7338494Spring-loaded awl
A spring-loaded surgical awl is provided for orthopedic applications that include creating or enlarging holes in bone. The awl has an awl shaft with a cutting tip within a sleeve, with a spring disposed between the awl shaft and sleeve to return the cutting tip of t...
03/04/2008
7329233Surgical system for laparoscopic surgery
An insufflation apparatus includes an elongated sleeve defining a longitudinal axis and having a proximal end and a distal end with a sharpened tip, an insufflation housing connected to the proximal end of the elongated sleeve and defining a port for receipt of insu...
02/12/2008
7329239Insertion device for an insertion set and method of using the same
An insertion device and insertion set. The insertion device for inserting at least a portion of at least one piercing member of an insertion set through the skin of a patient includes a device housing, a carrier body and a driver. The carrier body is slidably receiv...
02/12/2008
7328057Shunt passer or like surgical instrument configured for receiving different-sized positioning locators of image-guided surgical system
This document discusses, among other things, examples of a shunt passer or like surgical instrument configured for receiving different-sized positioning locators of an image guided surgical system. In one example, the surgical instrument includes portions having dif...
02/05/2008
7294118Retractable needle assembly
A fluid collection or infusion set is provided. The set includes flexible tubing with a fitting attached to a proximal end and a needle assembly attached to the distal end. The needle assembly includes a needle hub and a needle cannula secured in the hub. An actuato...
11/13/2007
7278425Inhalation device and method
Inhalation device and associated method for facilitating inhalation by a patient of powder medicaments contained in a receptacle. The inhalation device has a chamber for receiving the receptacle. A ring is circumferentially coupled to an inner surface of the chamber...
10/09/2007
7276064Side-port sheath for catheter placement and translation
Side-port sheaths for catheter placement and translation are disclosed. The sheaths include a side-port opening through which a gliding catheter may be deployed during diagnosis or treatment of tissue. The side-port sheath may include a suspension ribbon used to dep...
10/02/2007
7229421Catheter deployment device
An apparatus for deploying a needle within a lumen is provided. The apparatus includes a housing having a threaded bushing radially disposed therein. The bushing rigidly couples with a nose cone having a guide tip disposed at an end opposite the bushing for penetrat...
06/12/2007
7226434Safety shield
A safety shield including a protective device is provided including a piercing member having a proximal end, a distal end and defining a longitudinal axis. A clip defines a first cavity dimensioned for movement of the piercing member therethrough and is oriented in ...
06/05/2007
7204826Apparatus and methods for guiding a needle
A needle guiding apparatus includes a base, a guide assembly, and an imaging sight. The base defines an opening that extends through the base. The guide assembly includes at least one passage, and the guide assembly is disposed within the opening of the base. The gu...
04/17/2007
7198625Surgical instrument with retractable sheath
An electrosurgical suction/irrigation instrument includes a shaft hub, an electrically conductive member, and a sheath. The conductive member has a proximal end mounted to the shaft hub and a distal end including a conductive operating tip. The sheath covers the con...
04/03/2007
7192415Drainage catheter with visual indicator and/or lock system
A catheter comprising a tube having a distal end for deployment in a patient, and a proximal end for remaining outside of the patient; an anchoring mechanism at the distal end of the tube having a fully open configuration, a fully closed configuration, and a range o...
03/20/2007
7166127Tissue fastening systems and methods utilizing magnetic guidance
Catheter based systems and methods for securing tissue including the annulus of a mitral valve. The systems and methods employ catheter based techniques and devices to plicate tissue and perform an annuloplasty. ...
01/23/2007
7153276Medical device with shield having a retractable needle
Needle-bearing medical devices are provided for fluid infusion, fluid transfusion, and inserting a guide wire. After use the needle is shielded to render the contaminated needle safe to prevent inadvertent needle sticks. The device includes a housing and a needle ha...
12/26/2006
7141041Catheters having laterally deployable needles
A needle injection catheter comprises a catheter body having an axially disposed needle near its distal end. The needle passes through a deflection path formed in a distal nose of the catheter. A deflection path typically comprises a 90° turn so that the axially di...
11/28/2006
7131981Device and method for converting a balloon catheter into a cutting balloon catheter
A lesion treating device for converting a standard balloon catheter into a cutting balloon catheter is provided. The device includes a longitudinal housing such as a tube which is sized to be inserted into a lumen of the balloon catheter and cutting wires disposed w...
11/07/2006
7128727Components and methods for patient infusion device
A transcutaneous access tool includes a first cannula moveable along an axis, a fixed member including an elongated prong extending parallel with the axis, and a deployment member secured to the first cannula and movable along the axis away from the fixed member. Th...
10/31/2006
7128730Apparatus for delivery of therapeutic and/or diagnostic agents
A system for delivery of therapeutic and/or diagnostic agents into a living body includes a port assembly having a cannula extending from the mounting side, a port opening away from the mounting side and a resilient barrier between the port and the cannula. An acces...
10/31/2006
7087040Apparatus for delivering ablation fluid to treat lesions
A surgical apparatus for delivering fluid to treat a lesion comprising a housing, an elongated member extending from the housing, and a plurality of tines positioned in the housing. Each of the tines has a lumen and at least one opening communicating with the lumen ...
08/08/2006
7056304Medical instrument
The invention relates to a medical instrument with a hollow instrument canal that is configured inside a housing and can be closed by means of at least one valve body and rotated into open position by means of an instrument inserted into the instrument canal. The at...
06/06/2006
7052483Transcutaneous inserter for low-profile infusion sets
A low-profile inserter for an angled infusion set comprises an inserter housing having a bottom wall, a retainer slidably connected to the inserter housing for movement between retracted and extended positions in a direction substantially parallel with the bottom wa...
05/30/2006
7048716MR-compatible devices
A catheter is used for medical treatments within an organism. The catheter comprises at least one lumen. Within the at least one lumen are at least two microcatheters, with at least one of the at least two microcatheters being connected to a source of liquid materia...
05/23/2006
7037334Method and apparatus for catheter-based annuloplasty using local plications
The present invention relates to a minimally invasive method of performing annuloplasty. According to one aspect of the present invention, a method for performing annuloplasty includes accessing a left ventricle of a heart to provide a discrete plication element to ...
05/02/2006
7001396Safety introducer assembly and method
An introducer assembly includes an outer sheath, and a dilator assembly that includes a dilator hub and a dilator sheath. The dilator sheath is disposed within the outer sheath passage, and a proximal end of the dilator sheath is movably disposed within the dilator ...
02/21/2006
6997903Local drug delivery catheter
The present invention uses several innovative means in order to effectively puncture the intimal wall of blood vessels reliably and controllably. The total penetration of the needle is controlled by the height of the needle projecting from its base and the degree of...
02/14/2006
6979317Device for delivering non-biodegradable bulking composition to a urological site
A device for delivery of a biocompatible polymer composition for treatment of urinary incontinence provides for delivery of biocompatible polymer material and a solidification agent through two lumens. The delivery device provides better control of the precipitation...
12/27/2005
6974467Method and apparatus for making a precise surgical incision
A method of surgically accessing and making an incision in a selected part of a body includes inserting a needle into part of the body and withdrawing fluid from the body through the needle to determine if the needle is located in the selected part of the body. Once...
12/13/2005
6962209Simple, durable and easy-to-use earthworking machine
A sod cutter (10) is disclosed including a frame (12) formed by welding the free edges of mount, frame and end plates (46a, 46b 46c) bent relative to one of two side plates (46) to the corresponding edge...
11/08/2005
6962575Single access dialysis needle
A single access dialysis needle system comprises a first cannula, a second cannula or sheath, and a barrier arranged on the outer surface of the first cannula. The distal end of the first cannula extends distal to the distal end of the second cannula or outer sheath...
11/08/2005
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