Abstract: A surgical tool (10) for scraping and collecting bone particles, comprising: —a handle (20) provided with a handgrip (21); —a collection chamber (25) having an end proximal to the handgrip (21) and a free distal end; —a stem (30) at least partially arranged inside the collection chamber (25); —a blade (40) fixed to a front end (32) of the stem (30), wherein the blade (40) protrudes radially from the stem (30) and is axially arranged outside the collection chamber (25) near the distal end thereof; and —a spacer (50) interposed between a rear face (42) of the blade (40) and the distal end of the collection chamber (25), wherein the spacer (50) defines a passage opening (500) for introducing the bone particles scraped by the blade (40) into the collection chamber (25), maintaining at a predetermined non-zero axial distance, for at least a circumferential tract thereof, the rear face (42) of the blade (40) from the distal end of the collection chamber (25).

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: A head (10) for holding a nail (100) for bone implant applications, comprising a positioning body (20) having a first cavity (21) suitable for reversibly holding a nail (100) and a second cavity (22) opposite to and in communication with said first cavity (21), and wherein said first cavity (21) and said second cavity (22) are open outwardly, an abutment element (30) configured for interacting with the nail (100) so as to bring it from a rest position to a working position thereof; wherein the positioning body (20) is suitable for holding the nail (100) within the first cavity (21) in the rest position thereof, and wherein the positioning body (20) is configured for guiding the nail (100) and keep it aligned with respect to a direction of translation (T) of the abutment element (30) when passing from the rest position to the working position of the nail (100).

Abstract: A device (10) for generating an impulsive force, comprising a main body (20) having an internal guide cavity (23) which develops along a main line (L) extending between a first end (21) and a second end (22) of the main body (20), and wherein the internal cavity (23) has at least one opening (21a) towards the outside (200) relative to the first end (21) of the main body (20), and wherein the first end (21) is associated with a nail (100) relative to the opening (21a), force generation means (30) configured for generating the impulsive force in an operational configuration of the device to (10), the generation means (30) being preferably arranged at the second end (22) of the main body (20), an abutment element (40) configured for transmitting the impulsive force resulting from the generation means (30) up to a portion of a nail (100) in an operational configuration of the device (10).

Abstract: A compression forming process includes use of a die comprising: a bottom die (10); a punch (20), mobile with respect to the bottom die (10); an air escape route from the bottom die (10). The process comprises following steps: a) inserting a batch of material in a form of small pieces in the cavity of the bottom die, b) nearing the two parts of the die to one another, up to defining a forming chamber, c) supplying heat to the particles of the batch, during step b), by heating the internal surfaces of the chamber of the bottom die and the punch, increasing a degree of fluidity of the particles with growing values over a period of time, starting from a minimum value at the start of step b) up to a maximum amount, at the end of step b).

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 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: 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: Device for withdrawing flakes or shavings from a donor bone by scraping, comprising an internally hollow handle (M) composed of a hollow body (1) with a cavity (11) and of slidable means for closing and respectively rendering accessible the cavity (11), and scraper means (20) positioned at the front end of said slidable means and comprising a gap for passage of the bone flakes or shavings into the cavity (11); said slidable means comprise an upper plate (6) positioned on the upper side of the hollow body (1) to close the cavity (11) and slidable on this latter, its front portion (7) being not joined to the hollow body (1) and being elastically deformable to move away from the front edge of this latter when under load. Said scraper means comprise a blade (20) positioned at the front end of said slidable plate (6), and having an active surface (21) perpendicular or nearly perpendicular to the longitudinal axis of the front portion of the handle (M).

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).