US3702935A - Mobile fluoroscopic unit for bedside catheter placement - Google Patents
Mobile fluoroscopic unit for bedside catheter placement Download PDFInfo
- Publication number
- US3702935A US3702935A US188967A US3702935DA US3702935A US 3702935 A US3702935 A US 3702935A US 188967 A US188967 A US 188967A US 3702935D A US3702935D A US 3702935DA US 3702935 A US3702935 A US 3702935A
- Authority
- US
- United States
- Prior art keywords
- body portion
- cart
- top side
- ray
- bedside
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/056—Transvascular endocardial electrode systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4405—Constructional features of apparatus for radiation diagnosis the apparatus being movable or portable, e.g. handheld or mounted on a trolley
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/50—Clinical applications
- A61B6/503—Clinical applications involving diagnosis of heart
Definitions
- the invention relates to a mobile fluoroscopic unit in the form of a four wheeled can for facilitating bedside catheter placement.
- the unit is equipped with integrated X-ray and television viewing apparatus which permits the visualization and accurate positioning of vascular catheters.
- the invention relates to a mobile fluoroscopic unit in the form of a four wheeled cart for facilitating bedside catheter placement.
- the unit is equipped with integrated X-ray and television viewing apparatus which permits the visualization and accurate positioning of vascular catheters.
- Emergency or elective catherization of the vascular system at the bedside of a patient is becoming increasingly necessary for diagnostic and therapeutic purposes.
- the pacemaker wires are fed through the veins in the patients right arm or neck to his heat.
- At the shoulder region there is a fork in the vein with one branch leading to the heat and the other branch leading to the brain. It is thus necessary to be able to some how view the progress of the wires through the vein because there is no other way of determining whether the wires will take the correct route to the heart.
- the present invention constitutes a portable unit, in the form of a four-wheeled cart, which is equipped with integrated X-ray and television viewing apparatus.
- the invention is a mobil cart for the visualization and accurate positioning of vascular catheters or, in still other terms, a mobile image intensifier unit for the fluoroscopic visualization of intravascular procedures or vascular catherization.
- the inventive concept involves, in addition to providing the X-ray and television equipment for the cart, the sizing and shaping of the cart to make it practical and suitable for bedside use.
- the can has (i) a height approximately equal to hospital bed height so that a patient may be moved easily from the bed to the cart, (2) a length of somewhat under 3 feet, which is'approximately half of the height of an average adult, to allow the cart to be limited to a practical size by permitting the patients body to be supported jointly by the cart and by his bed, and (3) a movable support for the patients right arm which support can be stored in a retracted or out-of-the-way position so it does not project laterally from the cart while the cart is being wheeled through the hospital halls.
- the cart size with respect to its length and width dimensions, thus facilitates the easy transportation of the cart through hospital corridors and elevators and its convenient positioning in a small or crowded hospital room.
- a main object of the invention is to provide new and improved apparatus for the visualization and accurate positioning of vascular catheters at the bedside and surgery.
- FIG. 1 is a perspective view of the mobile cart embodying the invention, the cart having a panel portion thereof shown broken away to reveal equipment inside the cart;
- FIG. 2 is a different perspective view of the cart illustrated in FIG. 1, the cart being shown in use in a hospital room environment with a. patient lying on the cart and two doctors in attendance; and
- FIG. 3 is a fragmentary perspective view of the carts retractable support for supporting a patients right arm while the pacemaker wires are being inserted in the artery thereof.
- the cart as shown in FIG. I has a rectangularly shaped paneled body 10 mounted on four wheels which include a pair of front wheels 12 and a pair of swiveled rear wheels 13.
- the top side 16 of the body 10 is approximately 33 by 27 inches and is cushioned to provide a comfortable support for the upper portion of a persons body.
- the height of the top side 16 relative to the floor is approximately 35 inches which is a generally standard height for hospital beds.
- a boom 20 having a vertically extending leg 21 and an attached upwardly inclined arm 22 is mounted on one side of the body 10.
- Boom 20 has a horizontally extending arm 24 which is pivotally attached to the boom 20 at the junctions of the legs 21 and 22 thereof for movement in a horizontal plane.
- Mounted on the outer end of arm 24 for pivotal movement about a vertical axis is a television receiver 26.
- the position of boom 20 is longitudinally adjustable by reason of being mounted in and relative to a slot construction 27 in the side wall of the cart. Slot 27 is protected from stray radiation by sliding panels which are not shown.
- an X-ray head 28 which provides a source of X-rays and is rotationally adjustable about a horizontal axis with an adjusting mechanism 30 to provide for fine alignment with the image tube of the intensifier assembly 40.
- this apparatus comprises a fluoroscopic device which includes an image intensifier tube.
- the image intensifier tube in turn includes a fluorescent screen comprising a photon emitting phospher in intimate contact with a photoelectric element which is adapted to emit electrons in response to the photon energy emitted by the phospher.
- a second fluorescent screen At the opposite end of the image intensifier tube there is a second fluorescent screen which converts electrons striking its outer surface into photon energy.
- a conventional TV camera with a suitable lens system between the camera and the image intensifier tube is provided and the camera is electrically connected to the TV viewer 26.
- a control panel 31 for all the electrical apparatus embodied in the cart is mounted as illustrated in one of the side panels of the cart body portion 10.
- a power supply contained in a box 36 and television camera control equipment contained in a box 38.
- an image intesifier assembly 40 and a close coupled television camera assembly 42 which is electrically connected to the TV receiver 26.
- an arm support 44 which is mounted for pivotal movement about a vertical axis.
- the arm support has a position within the confines of the edges of the top side 16 when the car t is idle or being transported but is swingable out to the position illustrated in FIGS. 2 and 3 when the cart is being used in connection with treating a patient.
- Arm support 44 is provided with a detent ratchet arrangement (not shown) which maintains the support at increments up to 90.
- the cart is usable for the emergency and elective vascular catherization in humans anywhere in the hospital. Specifically, it can be used at a patients bedside, in an emergency room and in an operating room. In a cardiac emergency requiring vascular catherization the cart is quickly wheeled to a patients room and to one side of his bed 45.
- Other related uses for the cart are (l) the placement of a catheter in the pulmonary trunk via the jugular, cubital or sub-clavian vein to monitor pressure of the failing heart as an aid to determining appropriate therapy and (2) the placement of vena cava filter for emboli entrapment.
- a mobile cart for the fluoroscopic visualization of vascular catherization comprising a rectangularly shaped paneled body portion having a planar top side, wheel means supporting said body portion, a vertically extending support means attached to said body portion, an X-ray head providing a source of X-rays mounted on said support member, an electronic image intensifier tube assembly mounted internally of said body portion in alignment with said X-ray head, said assembly including a television camera, a television receiver mounted on said support means and being electrically connected to said tube assembly, said top side having an elevation of approximately three feet, and an elongated arm support pivotally mounted to said top side of said body portion.
Abstract
Description
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US18896771A | 1971-10-13 | 1971-10-13 |
Publications (1)
Publication Number | Publication Date |
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US3702935A true US3702935A (en) | 1972-11-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US188967A Expired - Lifetime US3702935A (en) | 1971-10-13 | 1971-10-13 | Mobile fluoroscopic unit for bedside catheter placement |
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Cited By (82)
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US4485815A (en) * | 1982-08-30 | 1984-12-04 | Kurt Amplatz | Device and method for fluoroscope-monitored percutaneous puncture treatment |
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US5159623A (en) * | 1990-06-19 | 1992-10-27 | Siemens Aktiengesellschaft | Medical apparatus with positioning system for a radiation transmitter |
US5425069A (en) * | 1993-11-26 | 1995-06-13 | Lorad Corporation | Mobile X-ray apparatus |
US5586162A (en) * | 1994-06-20 | 1996-12-17 | Micro Focus Imaging Corp. | Portable X-ray machine |
US5901200A (en) * | 1996-06-25 | 1999-05-04 | Siemens Aktiengesellschaft | X-ray examination apparatus convertible for mobile or stationary mounting |
US6118845A (en) * | 1998-06-29 | 2000-09-12 | Surgical Navigation Technologies, Inc. | System and methods for the reduction and elimination of image artifacts in the calibration of X-ray imagers |
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US7763035B2 (en) | 1997-12-12 | 2010-07-27 | Medtronic Navigation, Inc. | Image guided spinal surgery guide, system and method for use thereof |
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USRE43328E1 (en) | 1997-11-20 | 2012-04-24 | Medtronic Navigation, Inc | Image guided awl/tap/screwdriver |
US8165658B2 (en) | 2008-09-26 | 2012-04-24 | Medtronic, Inc. | Method and apparatus for positioning a guide relative to a base |
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Cited By (172)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4485815A (en) * | 1982-08-30 | 1984-12-04 | Kurt Amplatz | Device and method for fluoroscope-monitored percutaneous puncture treatment |
US4674107A (en) * | 1985-07-31 | 1987-06-16 | Picker International, Inc. | Display for radiation imaging |
USRE43952E1 (en) | 1989-10-05 | 2013-01-29 | Medtronic Navigation, Inc. | Interactive system for local intervention inside a non-homogeneous structure |
US5159623A (en) * | 1990-06-19 | 1992-10-27 | Siemens Aktiengesellschaft | Medical apparatus with positioning system for a radiation transmitter |
US8200314B2 (en) | 1992-08-14 | 2012-06-12 | British Telecommunications Public Limited Company | Surgical navigation |
US7174202B2 (en) | 1992-08-14 | 2007-02-06 | British Telecommunications | Medical navigation apparatus |
US6217214B1 (en) * | 1993-11-22 | 2001-04-17 | Hologic, Inc. | X-ray bone densitometry apparatus |
US5425069A (en) * | 1993-11-26 | 1995-06-13 | Lorad Corporation | Mobile X-ray apparatus |
US5499284A (en) * | 1993-11-26 | 1996-03-12 | Thermotrex Corporation | Mobile X-ray apparatus |
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USRE44305E1 (en) | 1997-09-24 | 2013-06-18 | Medtronic Navigation, Inc. | Percutaneous registration apparatus and method for use in computer-assisted surgical navigation |
USRE46422E1 (en) | 1997-11-20 | 2017-06-06 | Medtronic Navigation, Inc. | Image guided awl/tap/screwdriver |
USRE43328E1 (en) | 1997-11-20 | 2012-04-24 | Medtronic Navigation, Inc | Image guided awl/tap/screwdriver |
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US6477400B1 (en) | 1998-08-20 | 2002-11-05 | Sofamor Danek Holdings, Inc. | Fluoroscopic image guided orthopaedic surgery system with intraoperative registration |
US7130676B2 (en) | 1998-08-20 | 2006-10-31 | Sofamor Danek Holdings, Inc. | Fluoroscopic image guided orthopaedic surgery system with intraoperative registration |
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US8548565B2 (en) | 1999-10-28 | 2013-10-01 | Medtronic Navigation, Inc. | Registration of human anatomy integrated for electromagnetic localization |
US9504530B2 (en) | 1999-10-28 | 2016-11-29 | Medtronic Navigation, Inc. | Method and apparatus for surgical navigation |
US11331150B2 (en) | 1999-10-28 | 2022-05-17 | Medtronic Navigation, Inc. | Method and apparatus for surgical navigation |
US8290572B2 (en) | 1999-10-28 | 2012-10-16 | Medtronic Navigation, Inc. | Method and system for navigating a catheter probe in the presence of field-influencing objects |
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US7797032B2 (en) | 1999-10-28 | 2010-09-14 | Medtronic Navigation, Inc. | Method and system for navigating a catheter probe in the presence of field-influencing objects |
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