Abstract: A catheter system for positioning an instrument within a body that includes a hub defining a lumen therethrough for passage of the instrument toward the body. The catheter system also includes an elongate tubular member defining a lumen therethrough. The lumen of the elongate tubular member is in communication with the lumen of the hub for further passage of the instrument toward the body. The system also includes a slitter member that is coupled to the hub. The slitter member is disposed to slit the elongate tubular member as the elongate tubular member moves relative to the hub.

Abstract: A lancing device includes a main body having a drive spring, hammer, trigger mechanism and a lancet holder 22. A lancet 34 may be pushed to engage in snap fit with forwardly extending arms 28 of the lancet holder. Whilst free to move axially, the lancet 36 is held against rotation and, following use, is released from the lancet holder by rotating the lancet holder to disengage the lancet from the forwardly extending arms 28 thus freeing the lancet.

Abstract: A disposable incision safety lancet is provided, including a casing (2) and a trigger. It is characterized in that the casing (2) is provided inside with an incision blood-taking mechanism composed of a cam (3), a main swing arm (4), a secondary swing arm (5), a blade (1) and a spring (8). The present invention combines the two arc-shaped tracks obtained from the two swing mechanisms, the main swing arm and the secondary swing arm, via the cam and a toggle pin provided on the cam effectively and interlockingly, thus making the point of the blade incise along a V-formed path composed of two arcs of different shape connected with each other. Compared with the prior art single-swing-arm structure of the incision blood-taking mechanism, such a double-swing-arm structure can move with higher accuracy and controllability.

Abstract: Lancet device including a first housing. A first guide wall is disposed within the first housing. The first guide wall includes an opening. A cap removably mounted to the first housing. A needle holding member for holding a lancet. At least a portion of the needle holding member being able to move within the opening. A first spring for biasing the needle holding member toward an extended position. The first spring surrounding a portion of the needle holding member and being disposed between the first guide wall and a shoulder of the needle holding member. A movable trigger having a first position and a second position. A movable second housing including a proximal end, a distal end and a second guide wall arranged at the proximal end. The second guide wall including an opening. A portion of the needle holding member being able to move within the opening of the second guide wall.

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 lancing device formed from a main body and a cap. The main body is configured from a lower housing, an upper housing extending over a portion of the lower housing, and an actuator operatively engaged to the upper and lower housings with the actuator extending along the portion of the lower housing not covered by the upper housing. The upper housing further includes an actuator button, wherein a lancet may be placed within the body such that movement of the actuator from a first position to a second position away from said endcap cocks the lancet for firing, which is achieved by depressing the actuator button. Conveniently, the lancing device is configured for tactile recognition in the palm of a human hand and may preferably be operated one handed and without visual observation.

Abstract: A device for facilitating the use or application of skin penetrators, the device including a puncturing part for piercing the skin, an indwelling part which can be introduced into the skin through an opening generated by the puncturing part and remains there, wherein the puncturing part and indwelling part are operably associated with the device, and a guide operably associated with the device, wherein, in use, the indwelling part is moved, via the guide, into a position of use after the puncturing part has pierced the skin. In some embodiments, the puncturing and indwelling parts are separate from each other prior to use. A method of using skin penetrators is encompassed and includes sequentially introducing the puncturing part and the indwelling part into the skin.

Abstract: A disposable single-swing-arm incision safety lancet is provided, which includes a casing (2) and a trigger. It is characterized in that the casing (2) is provided inside with an incision blood-taking mechanism composed of a cam (3), a swing arm (4), a blade (1) and a spring (8). In the incision blood-taking mechanism of the present invention, the cam, being driven to rotate under elastic force of the spring, pushes via the curved surface against the swing arm, which thus swings with the third radius R3 as the radius. The point of the blade 1 is swingingly stretched out of the casing 2 from the blood-taking opening 5 along the arc-shaped path A, thus producing the incising action. The present invention is novel in structure, clever in concept, and reliable in working. Since the movement of the incision blood-taking mechanism is controlled by the spring, the action strength can be controlled through the design of elastic force of the spring.

Abstract: A method of obtaining a test sample from a specimen using a lancet system includes engaging a lancet driver against a drive wing of a lancet system, the lancet system having a major portion of a lancet member slidably engaged within a lancet carrier and a sensor strip with a sample chamber attached to the lancet carrier, the lancet system having a lance connected to a first end of a lancet body of the lancet member wherein the lance is movable from a retracted position within the lancet carrier to an extended position outside the lancet carrier, the drive wing extending outwardly and transversely from the lancet body, the major portion of the lancet member having a sinuous portion with a distal end restricted from movement by the lancet carrier, the sinuous portion being non-compressible when initially disposed within the lancet carrier wherein the drive wing prevents the sinuous portion from being compressed, moving the drive wing with the lancet driver a predetermined distance causing the lancet tip to move

Abstract: A housing retains a lancet body which encloses a needle whose tip is covered by a cap. The cap has a head provided with flanges. These flanges locate within notches at the end of the housing on only two sides of the housing. The location of the flanges within the notches holds the lancet within the body, before use, so as to compress a spring positioned between a head and a slotted portion of the housing. When the device is to be used, the head of the cap is rotated through 90° so as to detach the cap from the rest of the lancet body and release the flanges from the notches. This allows the lancet body to be actuated by a sprung-loaded trigger-release mechanism, when required, so that the tip of the needle projects momentarily through the opening at the end of the housing and then bounces back.

Abstract: A lancet device includes a housing, a trigger, a system for placing the lancet device in a trigger-set or armed position, and a multi-lancet unit comprising a plurality of lancets arranged one in front of the other and positioned in the housing. Each lancet includes a front end, a needle which extends from the front end, and a rear end. The front end of at least one of the plurality lancets is removably connected to the rear end of another of the plurality of lancets. A method of puncturing a surface of skin using the lancet device includes arranging the lancet device adjacent against a user's skin and triggering the lancet device so that one of the plurality of lancet is caused to penetrate the user's skin.

Abstract: Lancing devices are disclosed having a carriage slidably disposed within the housing and a lancet carrier configured to directly receive and hold the lancet. The lancet carrier is engaged within the carriage and movable relative to and independently of the carriage between a forward incision position and a rearward cocked position. A trigger assembly has a user accessible first portion and a second portion attached to the carriage and movable with the carriage along the longitudinal axis. The second portion is configured to maintain the lancet carrier in the rearward cocked position and the first portion is configured to release the lancet carrier from the rearward cocked position.

Abstract: A safety lancet for preventing reuse is provided, including an upper and lower case, moving block, guide, pressing plate, seating recess, and resilient spring. The upper case and a lower cases are coupled together with a space therein and a through-hole at the front to expose a lancet needle. The moving block is movable within the cases. with the lancet needle at the front. The guide is positioned behind the moving block within the cases and includes an anti-reverse ledge to selectively restrict reverse movement for reloading of the moving block. The pressing plate is pivotably mounted to the upper case and includes a stopper on which the moving block is caught, and a pressing projection for pressing the guide. The seating recess is defined in a bottom of the lower case, in which the guide descends and is seated. The resilient spring supports the rear of the moving block.

Abstract: The invention relates to a pricking device (1) for taking a blood sample, comprising a movable holding device (5) for pricking means (4), means (12) for driving the movable holding device and a release device (19) for releasing the pricking movement (13) of the pricking means. When the release device has been manually actuated, the movable holding device can be axially moved by a spring force of a drive spring (9) of the drive means (12), and a tensing device (22) for tensing the drive spring. Said tensing device comprises a tensing mechanism (23) comprising means (24) for axially stopping the movable holding device during the tensing of the drive spring and means (25) for working during the tensing of the drive spring enabling said pricking device to be comfortable to use even when being used several times.

Abstract: A needle-guide device, particularly for ultrasound probes, or the like, comprising a base body constructed and arranged for connection to the probe and at least one elongated guide hole for receiving a needle-like surgical tool, characterized in that said needle-guide device is made of at least two removably connectable parts, which are shaped in such a manner that each of them forms complementary parts of the peripheral delimiting wall of the elongated guide hole for the surgical tool, which peripheral wall parts complete each other when said two parts of the needle-guide device are connected, thereby forming an elongated guide hole for guiding the needle with a 360° covering delimiting wall.

Abstract: An advancement mechanism of a lancing device operates to sequentially advance lancets in a cartridge. The advancement mechanism includes a rotary drive gear assembly with a first gear and a second gear that co-rotate in a first angular direction by operation of an inter-gear unidirectional drive mechanism such as a ratcheting mechanism. A second-gear unidirectional lock mechanism, such as a ratcheting mechanism, locks the second drive gear from co-rotating with the first drive gear in a second opposite angular direction without impeding rotation in the first direction. The second gear directly or indirectly rotationally drives a pinion gear, which rotationally drives a cartridge gear to advance the lancets in indexed increments for use. The first drive gear is rotated in the first and second directions by a rack gear of a translating operating handle. In addition, a rotary-gear cap-displacement mechanism and a rotary-gear charging/actuation mechanism are provided in other embodiments.

Abstract: Lancet device including a first housing. A first guide wall is disposed within the first housing. The first guide wall includes an opening. A cap removably mounted to the first housing. A needle holding member for holding a lancet. At least a portion of the needle holding member being able to move within the opening. A first spring for biasing the needle holding member toward an extended position. The first spring surrounding a portion of the needle holding member and being disposed between the first guide wall and a shoulder of the needle holding member. A movable trigger having a first position and a second position. A movable second housing including a proximal end, a distal end and a second guide wall arranged at the proximal end. The second guide wall including an opening. A portion of the needle holding member being able to move within the opening of the second guide wall.

Abstract: A lancing mechanism is adapted to move between a resting, cocking and a puncture position. The lancing mechanism comprises a lancet holder adapted to receive a lancet, a shaft attached to the lancet holder, at least one drive spring and at least one damping spring. The drive spring surrounds at least a portion of the shaft and drives the lancing mechanism from the cocking position to the puncture position. The damping spring moves the lancing mechanism from the puncture position to the resting position. The drive spring is located at least partially within the damping spring.

Abstract: A tissue penetrating system has a housing member. A plurality of penetrating members are positioned in the housing member. A tissue stabilizing member is coupled to the housing. A penetrating member sensor is coupled to the plurality of penetrating members. The penetrating member sensor is configured to provide information relative to a depth of penetration of a penetrating member through a skin surface.

Abstract: An inserter subassembly including a rotor and drive member such that rotation of the rotor is translated to a linear motion including insertion and refraction paths.

Abstract: The present invention concerns a blood withdrawal device comprising a one-piece cap and lancet and a painless impulse generator. The object of the present invention is to withdraw blood painlessly and to reduce a risk of a secondary infection. In order to achieve the object of the present invention, the blood withdrawal device of the present invention comprises a cap, a hollow body and a painless blood withdrawal device. The cap comprises a one-piece cap and lancet within which a lancet is movably combined and a hollow body for a detachable connection with a painless impulse generator or a main body of a blood withdrawal device. The hollow body comprises open ends on both side of the body thereby allowing the lancet to be detachable and the movable axis to be inserted within the body.

Abstract: Lancet device that includes a body. A front cover includes a skin engaging end that includes a lancet opening through which a lancet needle extends. A holding member is movably mounted within the body. The holding member includes a front end and a rear end. The front end is configured to receive a lancet. A main spring is disposed between the front and rear ends of the holding member. A first stop surface is arranged on a front portion of the holding member. A second stop surface is axially retained to a front portion of the body. At least partial rotation of the front cover causes the skin engaging end to move axially relative to the second stop surface.

Abstract: A guidance mechanism for a lancing device. The guidance mechanism includes a piston having a shaft, a plurality of wings or fins extending from the shaft, a plurality of sliding engagement structures, and a lancet holder; and a chassis having a body, a plurality of longitudinal slits or cutouts, a plurality of elongated engagement structures, and an end aperture. The piston slides within the chassis, and the wings/fins engage within the slits/cutouts, allowing for linear longitudinal guidance of the piston within the chassis.

Abstract: A tissue penetrating system has a housing member. A plurality of penetrating members are positioned in the housing member. A tissue stabilizing member is coupled to the housing. A penetrating member sensor is coupled to the plurality of penetrating members. The penetrating member sensor is configured to provide information relative to a depth of penetration of a penetrating member through a skin surface.

Abstract: A system and method for assembling a lancing device, and a lancing device fabricated according to such a system or method. A rotating disk is applied to a spring component and/or to a carrier component of the lancing device to mount the spring onto the carrier component.

Abstract: A single handed squeeze lancet and methods for its use, where the single handed squeeze lancet comprises (a) a lancet, (b) a lancet-holder, (c) an internal housing for receiving and guiding the lancet-holder, (d) an external housing for receiving and guiding the internal housing, (e) a thumb-frame coupled to the external housing, and (f) a thumb-spring coupled to the thumb-frame and coupled to the lancet-holder. The device may further comprise a base-stand coupled to the thumb-frame.

Abstract: A lancet block comprises a lancet comprising a cam projection and a lancet housing receiving the lancet in such a fashion that the lancet can be vertically moved relatively with respect to the lancet housing. A top wall of the lancet housing and a side wall of the lancet housing corresponding to the cam projection of the lancet are formed of a thin membrane made of a material capable of being easily disrupted and a bottom wall of the lancet housing is formed of a thin membrane made of a material capable of being easily disrupted by a tip of the needle of the lancet. With this lancet block, it is possible to, e.g., provide convenient and sanitary use of a lancet, avoid a risk of any injury by a needle tip, prevent bacterial infection due to such injury, and reduce manufacturing costs.

Abstract: A surgical instrument and method are provided for positioning an osteochondral plug within a bone defect site. The instrument includes an elongate shaft, a ribbon, an elongate sleeve and a locking mechanism. The shaft has proximal and distal ends, with the distal end being shaped to contact the osteochondral plug. The ribbon extends along two sides of the shaft and around the distal end, forming a loop that is used to secure the osteochondral plug to the distal end. The sleeve is movably mounted to the shaft for reciprocating relative thereto between retracted and extended positions. The sleeve includes a slot that allows for visualization and cutting of the ribbon. The locking mechanism locks the ribbon in place and thereby controls the size and tension of the loop that surrounds the osteochondral plug, securing it to the distal end of the shaft.

Abstract: The present invention provides a lancet assembly which eliminates the need to remove a resin cover encapsulating a pricking element. Upon inserting a lancet structure into a lancet holder, a force which separates a lancet cover encapsulating the sharp tip portion of the pricking element from a lancet body is generated, and this force is allowed to act on the lancet cover and the lancet body to thereby expose, within the lancet holder, the sharp tip portion of the pricking element encapsulated by the lancet cover and to locate the opening of the lancet holder in front of the sharp tip portion of the pricking element.

Abstract: A device (302) for sampling and/or analyzing blood or other body fluid of a subject. A housing (306) contains a plurality of lancets (308) and optionally includes test elements (324) to take up a sample of blood, an evaluation system and a display. A complete system that can be handled as a single device, for example in the form of a wristwatch, includes a multiplicity of test elements (324) and lancets (308), which can be brought successively to a working position to perform multiple measurements. A cassette or carrier (320) includes multiple lancets (308) and/or test elements (324), for insertion into the device.

Abstract: A lancet device comprises a hollow housing defining a cavity and having a proximal end and a distal end. It also comprises a slider slidable at least partially within the cavity of the hollow housing along a longitudinal axis from an outward position to a pushed position. The slider extends outside of the cavity beyond the proximal end of the hollow housing when it is in the outward position. The lancet device also comprises a needle holder holding a lance. The needle holder is rotatable about and translatable along the longitudinal axis when moved from an initial position to an extended position. When the needle holder is in the initial position, the slider is in the outward position. When the needle holder is in the extended position, the lance extends outside of the cavity beyond the proximal end of the hollow housing. The sliding of the slider from the outward position to the pushed position urges the needle holder to the extended position.

Abstract: A lancing member (2) is integrally provided with a cap (29) for covering a needle (21). Upon or after being attached to a holder (5) of a lancing device (A), the lancing member (2) is rotated relative to a cap (29) by a rotator (C). As a result, the boundary (28) between the cap (29) and the lancing member (2) is broken easily to expose the needle (21).

Abstract: The present invention relates to an analyzing instrument (1A) which includes a capillary (31), a fluid feed port (20) for introducing a sample liquid to the capillary (31), and a fluid feed promoter (6) for promoting the introduction of the sample liquid into the feed port (20). The capillary (31) of the analyzer (1A) may be formed on a substrate (2) for example. The fluid feed promoter (6) may include at lease one of a water-absorbing layer having a higher water-absorbing capacity than the substrate (2) and an adhesive layer having a greater adhesion to the skin than the substrate (2).

Abstract: A lancet assembly is disclosed which eliminates the need for removing a resin cover that covers a pricking element. When a lancet structure is inserted into a lancet holder, a force is applied so as to separate a lancet cover, that encloses a distal end of a pricking element, from a lancet body so that the distal end of the pricking element which has been enclosed by the lancet cover is exposed in the lancet holder, and the opening of the lancet holder is positioned in front of the distal end of the pricking element. The lancet structure has a trigger which launches the pricking element of which the distal end is exposed, when the lancet structure is continually pushed into the lancet holder.

Abstract: An incision device capable of preventing inadvertent firing, and including a covered attached to the device. The incision device comprises a housing, and a lancet guide assembly having lancet guides and a lancet body. The lancet body further comprises a lancet blade. The lancet blade is covered by a removable protective cover having a stopper which prevents a trigger arm from being moved so as to fire the lancet blade.

Abstract: A lancing device includes a main barrel portion 10 to the front end of which is hinged a forward portion for movement between the open position shown in FIG. 1 and a closed position. The main barrel portion 10 contains a drive mechanism, cocking slider and trigger, whilst the forward portion contains a lancet holder into which a lancet may be loaded front end first. Also disclosed is a lancing device having a main housing having a forward nose portion to the rear of which is a flip up lancet hatch into which a lancet may be loaded front end first.

Abstract: Provided are a blood collecting puncture device having high safety which can hygienically maintain the inside of a magazine and prevent infection, and the magazine. A blood collecting puncture device (100) has a blood collecting puncture device body (101) removably incorporating a magazine (107) for housing lancets for puncturing human skin. The blood collecting puncture device body (101) has a first housing section (501) for housing not-yet-used lancets (303) and a second housing section (507) for housing used lancets to be disposed of. When a rotor (402) is rotated, individual lancets are sequentially conveyed on a one-by-one basis to a stock position (502), a puncture position (503), and a disposal position (504), and this causes a not-yet-used lancet to be housed in the first housing section (501) and also causes a used lancet to be housed in the second housing section (507), so that the lancets are separately housed in spaces isolated from each other.

Abstract: A body fluid sampling unit includes a puncture device including a needle having a sharp needle point and a drive mechanism for operating the needle to puncture a living body surface with the needle point, a tip including an introducing section for introducing a body fluid flowing out from a puncture portion of the living body surface punctured with the needle point, a test paper for detecting a predetermined component in the body fluid, and a tip body mounted to a component measuring device for measuring the quantity and/or property of the predetermined component detected by the test paper; and a case including a mechanism containing section for containing the puncture mechanism so that the needle point of the puncture mechanism can be moved by the drive means, and a sampling implement containing section for containing the body fluid sampling implement so that the tip can be taken out.

Abstract: A lancet device includes a main body in which is located a lancet drive shaft 20 having a lancet holder 22 at its front end. A front housing flap 12 is hinged to the front of the main body portion and opens to allow insertion/withdrawal of a lancet. A multi-function cocking/ejection element 16 is operable both to cock the drive shaft prior to firing and to eject a lancet from the lancet holder after firing. The cock/eject element also unlatches the front flap 12.

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 self contained disposable test unit for testing body fluid comprises a body member and a support member. The support member is moveable with respect to the body member between a first position and a second position. The support member includes a body part receiving surface for receiving a patient's body part. A lancet is carried by the body member and includes a lancet tip capable of piercing the skin of a patient to produce fluid flow. A test member is capable of interacting with body fluid to aid in the determination of information about body fluid components. A capillary member is capable of directing fluid flow to the test member. A pressure cup is capable of exerting pressure on a body part to foster fluid flow out of a lanced site and into the capillary, and a calibration member is provided for containing information for facilitating calibration of the test unit.

Abstract: A single use lancet device having a housing, with an open interior and an access opening defined therein, a lancet, with a body and a piercing tip, and disposed in the open interior of the housing so as to move between a cocked orientation and a piercing orientation, a driving assembly structured to move the lancet into the piercing orientation, and a restrictor assembly having a shoulder element and a restrictor panel operatively associated with the lancet and the housing and structured to pass over the restrictor panel upon the lancet moving from its cocked orientation to its piercing orientation, and to abut the restrictor panel upon attempted movement of the lancet back into its cocked orientation after movement into the piercing orientation, thereby preventing the lancet from moving back into the cocked orientation and preventing re-use of a contaminated piercing tip.

Abstract: The present invention relates to a lancet device 2 which is attached to a puncture device and is used for piercing a target site, and which retains a lancet 4 having a puncture needle in an internal space 35 of a casing 3. The casing 3 has a visible region 36 through which a leading end of the lancet 4 is visually recognizable. The casing 3 comprises, for example, a main body 30 which has the internal space 35, and a cover 31 which covers a part of the internal space35. The visible region 36 has an opened part in the internals space 35 which is not covered by the cover 31 and is adjacent to the cover 31.

Abstract: A lancet device including a housing and a lancet structure having a puncturing element. The lancet structure disposed within the housing and adapted for movement between a retaining or pre-actuated position wherein the puncturing element is retained within the housing, and a puncturing position wherein the puncturing element extends through a forward end of the housing. The lancet device includes a drive spring disposed within the housing for biasing the lancet structure toward the puncturing position, and a retaining hub retaining the lancet structure in the retracted position against the bias of the drive spring. The retaining hub includes a pivotal lever in interference engagement with the lancet structure. An actuator within the housing pivots the lever, thereby moving the lancet structure toward the rearward end of the housing to at least partially compress the drive spring, and releasing the lever from interference engagement with the lancet structure.

Abstract: A lancet device including a housing and a lancet structure having a puncturing element. The lancet structure disposed within the housing and adapted for movement between a retaining or pre-actuated position wherein the puncturing element is retained within the housing, and a puncturing position wherein the puncturing element extends through a forward end of the housing. The lancet device includes a drive spring disposed within the housing for biasing the lancet structure toward the puncturing position, and a retaining hub retaining the lancet structure in the retracted position against the bias of the drive spring. The retaining hub includes a pivotal lever in interference engagement with the lancet structure. An actuator within the housing pivots the lever, thereby moving the lancet structure toward the rearward end of the housing to at least partially compress the drive spring, and releasing the lever from interference engagement with the lancet structure.

Abstract: A lancet device including a housing and a lancet structure having a puncturing element. The lancet structure disposed within the housing and adapted for movement between a retaining or pre-actuated position wherein the puncturing element is retained within the housing, and a puncturing position wherein the puncturing element extends through a forward end of the housing. The lancet device includes a drive spring disposed within the housing for biasing the lancet structure toward the puncturing position, and a retaining hub retaining the lancet structure in the retracted position against the bias of the drive spring. The retaining hub includes a pivotal lever in interference engagement with the lancet structure. An actuator within the housing pivots the lever, thereby moving the lancet structure toward the rearward end of the housing to at least partially compress the drive spring, and releasing the lever from interference engagement with the lancet structure.

Abstract: The device is built of a housing (1), wherein a push button (3) is positioned, and the puncturing needle (5), wherein the push button (3) has arms (7, 8) to guide the push button (3) inside the housing (1), and a driving spring (11), one end of which is linked to the push button (3), and the other end drives the puncturing needle (5), and the puncturing needle (5) has breakable wings (17, 18), which rest against the breaking edge (19) of the housing (1). The device has moreover two return springs (13, 14), each of which is connected to one of the arms (7, 8) of the push button (3), and two side juts (15, 16), each of which is positioned between one of the return springs (13, 14) and the other end of the driving spring (11).

Abstract: A lancet device for generating a puncture wound in a skin surface, comprising a housing, in which a lancet can be moved on a puncturing path, a lancet drive with a drive rotor that can be driven by a drive spring, a lancet coupling mechanism that transforms a rotational motion of the drive rotor into a puncturing and returning motion of the lancet during a working cycle of the lancet drive, a reference element that is mobile relative to the lancet and relative to the housing and is fixed in a defined position relative to the lancet drive during the puncturing and rests against the surface of the skin with a contact surface thereof such that a puncture wound with a reproducible puncturing depth is generated by the puncturing motion, and a reference element coupling mechanism that is coupled to the lancet drive in order to move the reference element. The invention further relates to a suitable lancet drive assembly for a lancet device of this type.

Abstract: The present invention provides a method and a device for piercing a body part and determining whether a sufficient volume of blood has been withdrawn. A lancing element is rapidly inserted into a body part in a forward phase and retracted quickly to a lesser puncturing depth. Subsequently, the lancing element is retracted slower than during the first retraction movement and the distance retracted during the second retraction is shorter than the first retraction movement. During the second retraction movement, body fluid is collected in a collection phase by a capillary structure of the lancing element. Contact between the lancing element and the body fluid is detected after the forward phase at the beginning and the end of a waiting period.

Abstract: This invention relates to a lancing apparatus (A1) used for inserting an insertion element (21) into a human skin (Sk) for sampling a body fluid. The lancing apparatus (A1) includes a housing (1) with a cylindrical portion (12) brought into contact with the skin (Sk), a negative pressure generator (6) that generates a negative pressure inside the cylindrical portion (12) to cause the skin (Sk) to swell upward, and a detector (5) that detects that the skin (Sk) has been raised to a predetermined height inside the cylindrical portion (12).