Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/48—Other medical applications
  • A61B5/4887—Locating particular structures in or on the body
  • A61B5/489—Blood vessels
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
  • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
  • A61B5/6813—Specially adapted to be attached to a specific body part
  • A61B5/6824—Arm or wrist
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
  • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
  • A61M5/42—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for desensitising skin, for protruding skin to facilitate piercing, or for locating point where body is to be pierced
  • A61M5/427—Locating point where body is to be pierced, e.g. vein location means using ultrasonic waves, injection site templates
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
  • A61B5/021—Measuring pressure in heart or blood vessels
  • A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
  • A61B5/02233—Occluders specially adapted therefor

Definitions

• the present invention relates to a medical apparatus for locating blood vessels 5in the upper limb in a patient, in particular for locating blood vessels in the upper limb in a patient, according with the preamble of claim 1.
• Object of the present invention is to ease the positioning of a syringe or drip feed needle during medical treatments through injection.
• Injections are one of the most common form of medical treatments and offer lOrather quick and effective remedies.
• a medic or a qualified paramedic administers the injection to the patient.
• Object of the present invention is providing a medical apparatus that has structural and functional features as to fulfill the above needs, while obviating the drawbacks of the prior art.
• Such object is achieved by a medical apparatus for locating blood vessels in a patient as claimed in claim 1.
• FIG. 1 represents a perspective view of the medical apparatus for locatingthe blood vessels in a patient according to the present invention
• FIG. 2 represents a cross-sectional view of the medical apparatus of figure i ;
• Figure 3 represents a view of the medical apparatus of figure 1 in use, applied on a patient's upper limb;
• numeral 1 generally indicates a medical apparatus for locating the blood vessels in a patient according to the present invention.
• Apparatus 1 is equipped with a main body 30 designed to receive the upper limb of a patient.
• the main body 30 extends between its ends 30c,30d mainly in a longitudinal direction X-X.
• the main body 30 is made of a sheet of insulating material suitably molded so that it presents substantially a rectangular shape. In this way, in the main body 30, it can be defined an upper surface 30a and a lower surface 30b, 30b which are parallelopposed.
• the upper surface 30a is designed to lean against the upper limb of a patient.
• the main body 30 has a length ranging from 10 to 50 cm.
• the main body has a length ranging from 14 to 24 cm.
• the main body 30 can be made of insulating material chosen from the group comprising polyethylene, polyvinyl chloride and/or nylon.
• the main body 30 can be made also of a material having a predetermined value of stiffness.
• the main body 30 has, in use, has a tubular shape which is designed to at least partially encircle the upper limb of a user.
• the main body 30 has, in use, a substantially semicircular sectional shape extending in a longitudinal direction X-X.
• the main body 30 has, in use, a substantial C shape extending along the longitudinal direction X-X.
• the apparatus 1 is equipped with distal 10and proximal 20 attachment means.
• the distal 10 and proximal 20 attachment means are connected to the main body 30 substantially at its ends 30c,30d.
• distal attachment means 10 are designed to be reversibly attached to the upper limb of a patient substantially at his forearm.
• proximal attachment means 20 are designed to be reversibly attached to the upper limb of a patient substantially at his arm.
• the main body 30 serves the function of a sleeve that can be firmly attached to the upper limb of the user thanks to the presence of the distal 10 and proximal 20 attachment means.
• the predetermined value of stiffness of the main body 30 it is possible to obtain an apparatus able to maintain the upper limb of the patient completely outstretched so that the injection operations are eased especially in case of newborn children who often move and de facto hinder the qualified personnel during injections.
• the distal 10 and proximal 20 attachment means has two couple of bands (for example made of cloth) obliquely connected to the main body 30 and designed to be connected each other to be closed around the upper limb of the patient and block the movement of the apparatus around the arm and the forearm of said patient.
• bands for example made of cloth
• the distal 10 and proximal 20 attachment means has couples of cloth 11, 21, at its free ends joining means and counter joining means, such as for example VELCRO ® , so that the apparatus 1 , according to the invention, can be easily put on and removed from a patient.
• the apparatus 1 comprises a covering layer 35 designed to be connected to the main body 30.
• the covering layer 35 is attached to the upper surface 30a of the main body.
• the covering layer 35 comprises an inflatable pad so that the apparatus 1 is more anatomical. In this way it is possible to wrap the patient's armwithout causing pain.
• the covering layer 35 is made of clear latex (for example CLEAR COMFORT ® latex) and it is designed to be put directly in contact with the patient's skin.
• the covering layer 35 can be removably attached to the upper surface 30a of the main body 30. For example through clips, joining means and counter joining 5means or through pasting.
• the apparatus 1 comprises lighting means 40 supported by the main body 30 in order to emit a light radiation able to cross the skin of a patient.
• the lighting means 40 emit lighting radiation with predetermined value of wavelength.
• Lighting means 40 are arranged so that the lighting radiation emitted by the same is at least partially directed between the forearm and the arm of the patient so as to the qualified personnel that is going to administer the injection is able to easily locate the blood vessels in the upper limb of a patient.
• the lighting means 40 15 are fixed to the upper surface 30a of the main body 30.
• the apparatus 1 allows to obtain a predetermined contrast between the emitted radiation and the blood vessels that let the medic better locate the blood vessels in the limb of the patient before the injection.
• the lighting means 40 are oriented so that the lighting radiation emitted by the same is directed along a substantially radial direction in respect to the main body 30.
• the lighting means 40 comprise a plurality of light emitters 41 (for example light bulb, LED, OLED, neon, etc.) arranged between the distal 10 and the proximal 2520 attachment means.
• each of the light emitters 41 is oriented so that the light radiation is directed along a substantial radial direction in respect to the main body 30.
• the light emitters 42 emit light radiation of different 5colors, like for example red, white, yellow, with the aim of locating more effectively the subcutaneous structures such as veins and/or arteries.
• the combinations of red and white light radiations allow improving the localization of the subcutaneous structures.
• red and white LED have Odifferent wavelength that let obtain a greater penetration of the subcutaneous tissue in order to have a greater contrast with the veins.
• red LED can penetrate more the subcutaneous tissue and that the white LED let obtaining a greater contrast between the subcutaneous tissues.
• red LED emits a light radiation with a wavelength of 700-430 nanometers.
• the white LED emits a light radiation with a wavelength of 460-555 nanometers.
• apparatus 1 has a plurality of light emitters 41 arranged in a row one beside each other in the longitudinal direction X-X.
• apparatus 1 can comprise a plurality of rows of light emitters 41 arranged parallel to each other.
• the apparatus 1 has a plurality of light emitters 41 arranged in a row one beside each other along a transversal direction Y-Y orthogonal to the longitudinal direction X-X.
• the light emitters 41 can be arranged along the circumference of the upper surface 30a of the main body 30.
• a further version has a plurality of light emitters 41 arranged in crossed row along an oblique direction Z-Z with respect to the orthogonal direction Y-Y or longitudinal X-X.
• the rows of light emitters 41 can be equidistant from each other and oriented along the longitudinal direction X-X, orthogonal Y-Y or oblique Z-Z.
• apparatus 1 comprises 5 rows of light emitters 41 equidistant from each other and arrange longitudinally along the direction X-X.
• the 2 rows of light emitters 41 arranged at the longitudinal edges of apparatus 1 are suited to emit white light radiation while the other 3 central rows are suited to emit yellow light radiation.
• the rows of light emitters 41 can be placed at a distance ranging from 0,5 and 3 cm from each other. Preferably, the distance between each row is 2 cm.
• the lighting means 40 are arranged between the main body 30 and the covering layer 35.
• the lighting means 40 comprises a plurality of optical fibers 42.
• the optical fibers 42 are supported by the main body so that they emit a light radiation towards the upper limb of a patient.
• each optical fiber's 42 end is oriented radially with respect to the main body 30 of the apparatus 1.
• the optical fibers 42 can be connected to the light emitters 41so that the latters can be used as light source for the light source 42.
• the optical fibers 42 are transversally oriented with respect to the longitudinal direction X-X and curved in order to fit the circumference of the main body 30.
• the optical fibers 42 can be distributed along the whole main body 30 in order to boost the the light radiation of apparatus 1.
• apparatus 1 can comprise a sphygmomanometer (for example a sphygmomanometer GIMA ® ) for blood pressure measurement.
• a sphygmomanometer for example a sphygmomanometer GIMA ®
• an inflatable pad 43 to be fixed at the upper surface 30a of the main body 30.
• the inflatable pad 43 is placed between the main body 30 and the covering layer 35.
• the inflatable pad 43 can be connected to a pressurization device (not illustrated) for inserting air within it.
• the apparatus 1 has also acquisition and elaboration means to determine the value of blood pressure, the value of heart rate,the value of oxygen saturation and the value of pressure applied on the forearm.
• the acquisition and elaboration means are connected to the pressurization device and to a display that can be connected to the lower surface 30b of the main body 30 of the apparatus 1 to visualize the above mentioned captured values.
• apparatus 1 can comprise an oximeter (forexample oximeter GIMA ® ) for the measurement of the quantity of oxygen fixed by red corpuscle's hemoglobin.
• oximeter GIMA ® for the measurement of the quantity of oxygen fixed by red corpuscle's hemoglobin.
• the structure of the oximeter is per se conventional for a skilled person and, therefore, not illustrated in detail.
• the medical apparatus for locating blood vessels in a patient fulfills the needs andobviates prior art drawbacks as set out in the introduction of this disclosure.
• embodiments and versions described up to here are to be considered as examples and a skilled person will obviously appreciate that a number of changes and variants may be made to the apparatus of the invention as described hereinbefore to meet specific needs, including for example the combination of theseembodiments and versions, without departure from the scope of the invention, as defined in the following claims.

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• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Animal Behavior & Ethology (AREA)
• Veterinary Medicine (AREA)
• Public Health (AREA)
• General Health & Medical Sciences (AREA)
• Engineering & Computer Science (AREA)
• Biomedical Technology (AREA)
• Heart & Thoracic Surgery (AREA)
• Pathology (AREA)
• Molecular Biology (AREA)
• Surgery (AREA)
• Medical Informatics (AREA)
• Biophysics (AREA)
• Physics & Mathematics (AREA)
• Vascular Medicine (AREA)
• Dermatology (AREA)
• Anesthesiology (AREA)
• Hematology (AREA)
• Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
• Accommodation For Nursing Or Treatment Tables (AREA)

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Cited By (3)

Citations (4)

• 2011
  • 2011-10-24 IT IT001916A patent/ITMI20111916A1/it unknown
• 2012
  • 2012-10-24 WO PCT/IT2012/000328 patent/WO2013061352A1/en active Application Filing

Patent Citations (4)

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