Abstract: A surgical instrument (10) for scraping and collecting bone particles, comprising: a gripping handle (20); a blade (30) supported by the handle (20); and a collection chamber (40) of particles scraped by the blade (30), wherein the blade (30) comprises a plurality of cutting edges (320) separated from each other.

Abstract: The process includes a die comprising a bottom die (10) and a male part (20) able to close the cavity in such a way as to define a closed forming chamber (F). The bottom die (10) has an upper mouth that delimits the cavity (15), having an open upper surface substantially open in an upwards direction and a lateral surface internal of the cavity of the bottom die and forming an angle with the upper surface. The male part (20) has a central portion (21) able to close the surface of the cavity (15) and a peripheral edge able to adhere to the upper surface of the upper mouth, such as to realize a closing of the forming chamber only by means of contact along the upper surface, the peripheral edge lacking a vertical surface able to slide snugly contactingly with the lateral surface of the upper mouth (11). The process comprises: inserting a batch of non-spongy/foam thermoplastic material having a greater density than 0.

Abstract: A syringe for injecting solid, hard and rough granular material includes: a longitudinal injection chamber having constant section and an internal diameter of less than 4.5 mm, having a distal outlet mouth for the flow out of the material, whose surface is the same as the injection chamber, and a proximal mouth, in which granular material is inserted; a plunger sealedly mobile along the injection chamber, joined to a stem which enters the injection chamber through the proximal mouth, the plunger having: a transversal section which sealingly couples with the surface of the injection chamber, and having an operative surface, facing towards the distal mouth of the injection chamber; and a body projecting longitudinally internally of the injection chamber, fixed substantially axially to the operating surface of the plunger, having a diameter that is less than 70% of that of the injection chamber and a length greater than 6 mm.

Abstract: An apparatus includes one or more die groups which are movable independently of one another, each including a female part having a matrix cavity and a male part destined to penetrate into the cavity such as to define a forming chamber of the product, the cavity configured to contain a batch of material. The apparatus further includes a heating station having a heater to bring the plastic material to the fluid state, and a die group cooling station downstream of the heating station. The die groups are free to be cyclically inserted in the heating station and subsequently transferred to the cooling station. A thrust group is associated to a respective die group and is configured to provide a thrust for penetrating the male part into the cavity during the stage of forming the product, the thrust group being integral with the respective die-group in displacements during the operations performed.

Abstract: The process includes a die comprising a bottom die (10) and a male part (20) able to close the cavity in such a way as to define a closed forming chamber (F). The bottom die (10) has an upper mouth that delimits the cavity (15), having an open upper surface substantially open in an upwards direction and a lateral surface internal of the cavity of the bottom die and forming an angle with the upper surface. The male part (20) has a central portion (21) able to close the surface of the cavity (15) and a peripheral edge able to adhere to the upper surface of the upper mouth, such as to realize a closing of the forming chamber only by means of contact along the upper surface, the peripheral edge lacking a vertical surface able to slide snugly contactingly with the lateral surface of the upper mouth (11). The process comprises: inserting a batch of non-spongy/foam thermoplastic material having a greater density than 0.

Abstract: A syringe for injecting solid, hard and rough granular material includes: a longitudinal injection chamber having constant section and an internal diameter of less than 4.5 mm, having a distal outlet mouth for the flow out of the material, whose surface is the same as the injection chamber, and a proximal mouth, in which granular material is inserted; a plunger sealedly mobile along the injection chamber, joined to a stem which enters the injection chamber through the proximal mouth, the plunger having: a transversal section which sealingly couples with the surface of the injection chamber, and having an operative surface, facing towards the distal mouth of the injection chamber; and a body projecting longitudinally internally of the injection chamber, fixed substantially axially to the operating surface of the plunger, having a diameter that is less than 70% of that of the injection chamber and a length greater than 6 mm.

Abstract: A method for realising thermoplastic products, comprising: use of a granular material comprising granules of thermoplastic polymers; inserting a dose (M) of the granular material internally of the chamber (11) of a mold (10); compression of the dose (M) of granular material contained in a chamber (11) of the mold (10); heating an internal surface of the chamber (11) of the mold (10) during the compression up to producing a softening of the thermoplastic granules at least of a most external layer of the dose (M) of granular material compressed in the chamber (11); before the stage of compression and heating, the method includes covering at least a portion of an external surface of the dose (M) of granular material with an opaque film, which film comprises at least an opaque portion such as visually to hide the material covered thereby.

Abstract: An apparatus includes one or more die groups which are movable independently of one another, each including a female part having a matrix cavity and a male part destined to penetrate into the cavity such as to define a forming chamber of the product, the cavity configured to contain a batch of material. The apparatus further includes a heating station having a heater to bring the plastic material to the fluid state, and a die group cooling station downstream of the heating station. The die groups are free to be cyclically inserted in the heating station and subsequently transferred to the cooling station. A thrust group is associated to a respective die group and is configured to provide a thrust for penetrating the male part into the cavity during the stage of forming the product, the thrust group being integral with the respective die-group in displacements during the operations performed.

Abstract: A method for realising thermoplastic products, comprising: use of a granular material comprising granules of thermoplastic polymers; inserting a dose (M) of the granular material internally of the chamber (11) of a mould (10); compression of the dose (M) of granular material contained in a chamber (11) of the mould (10); heating an internal surface of the chamber (11) of the mould (10) during the compression up to producing a softening of the thermoplastic granules at least of a most external layer of the dose (M) of granular material compressed in the chamber (11); before the stage of compression and heating, the method includes covering at least a portion of an external surface of the dose (M) of granular material with an opaque film, which film comprises at least an opaque portion such as visually to hide the material covered thereby.

Abstract: A surgical bone milling instrument, for operating in a hole formed in a bone, comprising a milling element (10) having a longitudinal axis (A) and a forward portion rotating around an axis (A) for milling bone. The instrument comprises an elongate probe element (20) located internally of and being coaxial with a milling element (10), and sliding longitudinally through the milling element (19), with a forward portion projecting relative to a forward portion of the milling element (10). Means are provided for axially pushing the probe element (20), with the forward portion thereof being made to project beyond the forward portion of the milling element (10). With the invention it is possible to complete the milling procedure of a bone hole, maintaining control of the position of the device relative to the hole.

Abstract: A surgical bone milling instrument, suited to operate in a hole formed in a bone, comprising a milling element (10), with longitudinal axis (A) and with the forward end portion (11) rotating around a longitudinal axis (A), and milling the bone. The instrument comprises a tubular element (30) of circular external cross-section and provided with a thread engaging, by helical coupling, a hole formed in the bone. The milling element (10) is associated with the tubular element (30), arranged so that the forward end portion (11) thereof is located ahead of the tubular element (30) and can rotate around the longitudinal axis (A) thereof and translate axially relative to the tubular element (30). The milling element (10) has a rear portion (14) which passes coaxially through the tubular element (30), while the forward end portion (11) projects beyond the front of the tubular element (30).

Abstract: The surgical instrument comprises a handle (10), which bears a blade (20) having a scraping edge (21), and a collection chamber (R) of shaved material. In the invention, the collection chamber (R) exhibits a mouth (S) for communication with an external environment, located in proximity of the scraping edge (21), for inlet of the shaved material. The mouth (S) is normally closed in order to prevent passage of material contained in the collection chamber (R). At least a portion (11a) of the instrument is elastically deformable in order for the communication mouth (S) to be opened during a scraping operation by the scraping edge (21). In particular a wall (30) is exhibited, which, together with the handle (10) delimits the collection chamber (R); the wall (30) having an end portion (31) in proximity of the blade (20), which end portion (31) is separate and not constrained to the handle (10), the communication mouth (S) being located at a front end of the end portion (31).

Abstract: The tool comprises a handle (10) which bears a scraping blade (30) placed at the front end of the handle (10) and adapted to scrape particles from a bone, a collection chamber (20) of the removed material inside the front end portion of the handle (10), and a passage opening (21) in the collection chamber (20), placed near the scraping blade (30), which permits the passage of the scraped particles within the chamber (20). According to the invention, the collection chamber (20) has nearly cylindrical form and the tool comprises a collection means (40) of the particles having tubular form, insertable and extractable from the collection chamber (20) itself. The collection means (40) comprises a tubular covering (41), adapted to contain the bone particles scraped from the blade (30), whose front end portion (41?) has a section adapted to substantially occupy the entire section of the collection chamber (20), for collecting the particles from the chamber (20) itself.

Abstract: A device for withdrawing flakes or shavings from a donor bone by scraping, comprising an internally hollow handle composed of a hollow body with a cavity and of a slidable closure, rendering the cavity accessible, respectively. The scraper is positioned at the front end of the slidable closure and has a gap for the passage of bone flakes or shavings into the cavity. The scraper also comprises a blade positioned at the front end of the slidable plate, and has an active surface perpendicular or nearly perpendicular to the longitudinal axis of the front portion of the handle. The slidable closure comprises an upper plate, positioned at the upper side of the hollow body to close the cavity and slidable on this latter portion, its front portion not joined to the hollow body and being elastically deformable to move away from the front edge of this latter portion when under load.

Abstract: The dispenser pack comprises: for containing the loose articles, a limp container (10) of yieldable material having a mouth (11) and a rigid dispensing head (20) which is joined to the container mouth (11) to close the mouth (11) and has an outlet (22) for the articles, means for dispensing the articles to the outside in a controlled manner, and means for closing said outlet (22).

Abstract: The expansion tool comprises an expander body (10) having, for penetration into the hole, an at least partly tapered elongate rectilinear penetration portion of circular cross-section provided at least partly with a helical thread (12) for engaging the wall of the hole; the expansion tool is intended to be engaged by a drive means able to rotate it with torsion about its axis (A), and is characterized in that said expander body (10) is constructed of synthetic resin and is traversed by a rigid axial core (13) positioned in its interior along its axis, and to which the body (10) is bonded.

Abstract: A protection device for medical needles connected to a portion of tube comprises: a protection casing (20) arranged to enclose and cover the needle after use, it being initially applied in a position to the rear of the point (11) of the needle; a front end (25) facing the point of the needle, to be rested against a foreign body (D3) for reaction in extracting the needle from the patient's body; means (30) for securing the device to the tube (15); and thrust means (21, 22) which when operated by the operator's finger (D1, D2) increase the distance between the securing means (30) and said front end (25) in order to cause the needle (10) to move towards the protection casing (20) until it lies inside the interior of this latter (20).

Abstract: The instrument comprises a handle carrying a scraper blade (50) positioned at its front end, and possesses in its front end portion a collection chamber (R) for the removed material; the instrument is characterised in that the handle comprises: an elongate inner element (20), having at least a front portion (21) with a cylindrical surface; a tubular outer casing (30) which encloses the inner element (20) about its entire perimeter and adheres to the outer surface of its front portion (21); a longitudinal rod (40) having a cross-section less than the cross-section of the collection chamber (R) to extend longitudinally along and within the chamber, its rear end being fixed to the inner element (20); the scraper is blade (50) being fixed to the front end of the rod (40). An object of the instrument is to make its cross-section as small as possible in order to render the withdrawal technique only minimally invasive.

Abstract: The device is applied to a syringe for medical use, comprising a cylindrical body, on the front end portion (12) of which there is rigidly applied a hollow needle (15) having a pointed tip (17) for penetration into the patient's body. A protection member (20) is provided, to assume alternately an open configuration and a closed configuration, to enclose, when in its closed configuration, at least the pointed tip (17) of the needle; a securing means (50) is also provided separate from the syringe (10) and able to be rigidly secured to the front end portion (12) of the syringe. Said securing means (50) is joined to the protection member (20) by connection means (55) which enable the protection member (20) to be rotated such that this can be disposed relatively far from the pointed tip (17) of the needle.

Abstract: A device having a protection cap defining a concavity, and a thin sharp-ended tubular stem joined to the cap and projecting into the concavity; the tubular stem being connected to elements for penetration into the human body or into body liquid containers; the device being also suitable for use in combination with sample tubes to be inserted into the concavity in the cap and having their interior chamber under vacuum and closed by a yieldable elastomeric plug able to seal an aperture produced by the tubular stem; the tubular stem being joined at one end to the interior concavity of the cap and constructed of a synthetic resinous material in one piece with the cap.