Abstract: A patient's skin puncturing device according to the present invention is built of a body and of seated therein a pricking needle assembly and of a push-button arranged in the upper portion of the body. Between the push-button and the pricking needle assembly at least two driving springs are arranged. The driving springs are connected by upper ends with the push-button provided with a pushing face. Between the body and the pricking needle assembly at least two return springs are disposed, which are connected with the body. The pricking needle assembly has a driving face cooperating with the pushing face of the push-button, and in the upper portion has wings which upper surfaces cooperate with the driving springs of the push-button and which lower surfaces cooperate with the return springs, and has outer projections cooperating with inner projections with which the body is provided.

Abstract: A patient's skin puncturing device, particularly for collecting a blood sample for diagnostic purposes, including a housing, a lancet slidably positioned inside the housing and having a body with a sheathed puncturing needle seated therein, and a push button positioned at the one end of the housing. Between a face end of the push button and the lancet body a drive spring is placed, and between the other end of the housing, which is provided with an opening for the puncturing needle, and the lancet body a return spring is placed. Between the housing and the lancet body is placed a lancet actuation lock, preferably in the form of interlocks of a washer. The device has a drive spring catch, preferably in the form of grabs of the washer, to preclude the drive spring from following the lancet in the puncture phase and in the retraction phase of the lancet.

Abstract: The device comprises a body (2) and placed therein a needle assembly (1) and a push button (3) located in the upper portion of the body (2), whereas the needle assembly (1) has in its lower portion a sheathed piercing needle (5), and the push button (3) has in its upper portion a press surface, and between the body (2) and the needle assembly (1) a return spring (27) is placed. The push button (3) is coupled with the needle assembly (1) by means of abutting surface elements (15, 44), whereas during the movement of the push button (3) and after resting the needle assembly (1) on the element (20) of the body (2) and after performing the full-depth piercing, one of the abutting surface elements (15, 44) bends, releasing the needle assembly (1) from the thrust of the push button (3), whereupon the needle assembly (1) retracts to the inside of the body by means of the return spring (27).

Abstract: A patient's skin puncturing device according to the present invention is built of a body (1) and of seated therein a pricking needle assembly (3) and of a push-button (5) arranged in the upper portion of the body (1). Between the push-button (5) and the pricking needle assembly (3) at least two driving springs (9) are arranged. The driving springs (9) are connected by upper ends with the push-button (5) provided with a pushing face (8). Between the body (1) and the pricking needle assembly (3) at least two return springs (30) are disposed, which are connected with the body (1). The pricking needle assembly (3) has a driving face (24) cooperating with the pushing face (8) of the push-button (5), and in the upper portion has wings (12) which upper surfaces cooperate with the driving springs (9) of the push-button (5) and which lower surfaces cooperate with the return springs (30), and has outer projections (17) cooperating with inner projections (18) with which the body (1) is provided.

Abstract: A patient's skin puncturing device, particularly for collecting a blood sample for diagnostic purposes, comprises a housing (1), a lancet slidably positioned inside the housing (1) and having a body (3) with a sheathed puncturing needle (4) seated therein, and a push button (2) positioned at the one end of the housing (1). Between a face end of the push button (2) and the lancet body (3) a drive spring (5) is placed, and between the other end of the housing (1), which is provided with an opening (Ia) for the puncturing needle (4), and the lancet body (3) a return spring (7) is placed. Between the housing (1) and the lancet body (3) is placed lancet actuation locking means, preferably in the form of interlocks (6b) of a washer (6). The device has drive spring catching means, preferably in the form of grabs (6a) of the washer (6), to preclude the drive spring (5) from following the lancet in the puncture phase and in the retraction phase of the lancet.

Abstract: Lancet, in particular for a patient's skin puncturing device for collecting a blood sample for diagnostic purposes, is comprised of the body (1) made of plastic material, in which the needle (2) is coaxially fixed. the tip (3) of the needle (2) is covered by the sheath (4) moulded together with the body (1) and breakably connected therewith. The lancet has additional coaxial with the body (1) and the sheath (4) the guiding member, which is slidably mounted on the guiding member, which is slidably mounted on the guiding segment (5) of the body (1) and is immovably affixed to the sheath (4). The lancet, according to the present invention, insures the required sterility of the tip (3) of the needle (2) and, simultaneously, precludes the tip (3), in particular, in case of the needle of small diameter, from damage during the removal of the sheath (4) from the needle tip (3) before use of the lancet.

Abstract: The device comprises a body (2) and placed therein a needle assembly (1) and a push button (3) located in the upper portion of the body (2), whereas the needle assembly (1) has in its lower portion a sheathed piercing needle (5), and the push button (3) has in its upper portion a press surface, and between the body (2) and the needle assembly (1) a return spring (27) is placed. The push button (3) is coupled with the needle assembly (1) by means of abutting surface elements (15, 44), whereas during the movement of the push button (3) and after resting the needle assembly (1) on the element (20) of the body (2) and after performing the full-depth piercing, one of the abutting surface elements (15, 44) bends, releasing the needle assembly (1) from the thrust of the push button (3), whereupon the needle assembly (1) retracts to the inside of the body by means of the return spring (27).

Abstract: A pipetting device comprises a housing (1) with a handle (2) and a pipette (4) holder assembly (3), wherein the housing (1) end portion (7) incorporates a spherical raceway (16) to which the pipette (4) holding assembly (3) in mounted by the means of a connecting assembly (17) capable of sliding on the spherical raceway (16) at the housing (1) end portion (7) to facilitate the change of orientation angle of the pipette (4) axle in every plane with respect to the handle (2). The connecting assembly (17) comprises a first slider (18) slidably set in a rectangular opening (19) in the spherical raceway (16) at the housing (1) end portion (7), and a second slider (20) slidably set in a rectangular opening (21) in the first slider (18).

Abstract: An electronic pipetting device for aspirating and dispensing of set liquid volume comprises a handle (1), to the lower part of which a stem assembly (3) is attached, and a control panel (2), whereas the control panel (2) is connected with the handle (1) in such a way that it can rotate with respect to the longitudinal axis of the handle (1) and/or move it upwards and parallel to the longitudinal axis of the handle (1).

Abstract: A pipetting device comprises a housing (1) with a handle (2) and a pipette (4) holder assembly (3), wherein the housing (1) end portion (7) incorporates a spherical raceway (16) to which the pipette (4) holding assembly (3) in mounted by the means of a connecting assembly (17) capable of sliding on the spherical raceway (16) at the housing (1) end portion (7) to facilitate the change of orientation angle of the pipette (4) axle in every plane with respect to the handle (2). The connecting assembly (17) comprises a first slider (18) slidably set in a rectangular opening (19) in the spherical raceway (16) at the housing (1) end portion (7), and a second slider (20) slidably set in a rectangular opening (21) in the first slider (18).

Abstract: In the method of dispensing liquid according to the invention, when liquid is aspired by the pump to the pipette, the required size of dose of the liquid is dispensed from the pipette in proportion to the atmospheric air fed thereto through a valve or a set of connected to the pipette, whereas the amount of supplied atmospheric air is processor programmed by the determination of time and/or flow rate and/or damping of the supply of atmospheric air into the pipette. Pipetting device according to the invenvention comprises a housing with a handle (3) for mounting the pipette (4), whereas in the housing, an air pump (6) is located, connected to the pipette (5), and a processor (15) to control the operation of the device. The pipetting device comprises also a set of valves (10) for processor (15) controlled atmospheric airflow during dispensing liquid, whereas the set of valves (10) is connected to the pipette (5).

Abstract: The device for puncturing comprises a sleeve (1), a push element (2) mounted on one end of the sleeve (1), a piston (5) with a puncturing tip (8) slidably mounted inside the sleeve (1), and a drive spring (10) positioned between a face (9) of the push element (2) and the piston (5), wherein the push element (2) comprises turnably mounted thereto a setting element (41) of the patient's skin piercing force having inwardly directed stair shaped members (42, 43) pressing the push rod (6) of the piston (5) in operation.

Abstract: A lancet comprises a handle (1) made of plastic material with a needle (2), where the tip (3) of the needle (2) is >covered by a sheath (4) moulded together with the handle (1). The handle (1) includes at least one hole expositing the needle (2). The part of the needle (2) positioned in at least one hole (5) of the handle (1) is crooked.

Abstract: An arrangement for regulating the depth of a puncture including a sleeve, a button placed at one end of the sleeve, a piston with a puncturing tip that is slidably mounted within the sleeve, and a power spring placed between the front of the button and the piston. The other end of the sleeve (1) includes an adjusting ring (3), which has two inwardly directed half-ringed, oblique limiting members (14, 15), which are hit by fin (7) of the piston during puncturing of skin.

Abstract: An arrangement for regulating the depth of a puncture including a sleeve, a button placed at one end of the sleeve, a piston with a puncturing tip that is slidably mounted within the sleeve, and a power spring placed between the front of the button and the piston. The other end of the sleeve (1) includes an adjusting ring (3), which has two inwardly directed half-ringed, oblique limiting members (14, 15), which are hit by fin (7) of the piston during puncturing of skin.

Abstract: A puncturing device according to the invention comprises a sleeve (1), a push element (2) mounted at one end of the sleeve (1), a piston (5) having a puncturing tip (7) slidably mounted in the sleeve (1), a drive spring (9) positioned between the face end of the push element (2) and the piston (5) and a return spring (10) positioned inside the said sleeve (1) between its bottom (3) with an opening (4) for the puncturing tip (7) and the said piston (5) characterized in that the sleeve (1) has wings (11) directed inwardly and the projection (12) of the piston (5) rests on the said wings (11).

Abstract: The puncturing device according to the invention comprises the puncturing unit (2) with an exchangeable puncturing insert (7), a driving unit (1) connected with the puncturing unit (2) comprising a ram (12) placed inside the body (9) of the driving unit (1), and at the ram (12) between the first end (13) of the ram (12) pointing towards puncturing insert (7) and the body (9) a driving spring (14) is placed, the second end (17) of the ram (12) is sustained in the body (9), and on the driving unit (1) a triggering unit (3) comprising a button (18) is placed with an inner projection (19) pointing towards the second end (17) of the ram (12).