Surgery – Instruments – Cutting – puncturing or piercing
Patent
1992-05-18
1994-06-07
Yasko, John D.
Surgery
Instruments
Cutting, puncturing or piercing
606184, 606167, 606181, A61B 1734
Patent
active
053185811
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to an aid to making holes for the purpose of puncturing of parts of the body, and comprises a hole-maker capable of being guided by a guide component.
Previously disclosed aids of the aforementioned kind, for example the arrangement in accordance with SE, B, 8003057-0 (Publ. No. 422 150), do not permit a safe and simple function in line with current requirements.
The principal object of the present invention is thus, in the first place, to make available an aid to making holes in parts of the body, which solves said problem by simple means with regard both to the manufacture and use of the aid.
Said object is achieved by means of an aid in accordance with the present invention, which is characterized essentially in that the hole-maker is connected to a pliable link capable of to-and-fro movement attached to the guide component.
The invention is described below as a preferred illustrative embodiment with reference to the drawings, in which:
FIG. 1 shows a side-view of an aid to making holes in the position of rest;
FIG. 2 shows an aid to making holes in the penetration position;
FIG. 3 shows said aid to making holes after making a hole;
FIG. 4 shows a cross-section through an aid to making holes in the position of rest;
FIG. 5 shows a front view of the aid to making holes;
FIG. 6 shows a perspective view of the aid in the position of rest;
FIG. 7 shows a perspective view of the aid in the position of rest, viewed from below; and
FIG. 8 shows the aid, viewed from below and in the penetration position.
An aid to making holes 1 arranged in accordance with the present invention, comprising a hole-maker 2 which is guided by a guide component 3 so as to permit the puncturing of parts of the body, for example when pricking a finger 4 in conjunction with taking a blood sample, etc., has the hole-maker 2 attached to the guide component 3 via a link 5. Said link, which can be in the form of a number of pivotally arranged arms 6, 7, is pliably connected to the guide component 3 in a manner capable of to-and-fro movement in the direction of the arrows 8, 9, against the effect of an influencing force which acts contrary to the directions referred to above.
Said arms 6, 7 are preferably arranged in pairs, or in some other desired number, with each being supported on a corresponding counter-pressure component 10, 11 attached to the guide component 3 of the hole-maker and preferably projecting laterally outwards from said preferably sleeve-shaped guide component 3 of the hole-maker.
For example, said counter-pressure components may be in the form of so-called counter-pressure arms 10, 11, which are appropriately integrated with the sleeve-shaped guide component 3 of the hole-maker at its rear end 3A, viewed in the direction of use 8, i.e. the direction of penetration, or are attached in some other appropriate fashion to said component 3. A hinge 12, 13 is arranged so that it is supported preferably at the outer ends 10A, 11A of each of said counter-pressure arms 10, 11. Connected to each hinge 12, 13 is one of said articulated connecting arms 6, 7, which runs in a lateral sense across the direction of use 8 of the aid inwards towards a compression component 15 situated preferably centrally at the middle 14 of the aid. Said compression component may appropriately be in the form of a thumb-pressure pad 15, which is integrated with said articulated connecting arm/arms 6,7 and which consists preferably of the rear end of a casing body 16 for the hole-maker 2 situated centrally on the aid 1 in question.
Said hole-maker 2 may, as can be appreciated from the example shown here, consist of different materials, in conjunction with which the body 16 itself may be made of extruded plastic, for example, whereas the actual tip may be in the form of a metal needle 17, which is fixed to the body 16 by its rear end 17A. By positioning the needle 17, it is possible to ensure its location in precisely the desired position, so that the correct depth by which the needle projects can be guaranteed in every case. T
REFERENCES:
patent: 4883068 (1989-11-01), Dechow
patent: 4889117 (1989-12-01), Stevens
patent: 4935013 (1990-06-01), Haber et al.
patent: 4943281 (1990-07-01), Kothe
Gring N. Kent
Yasko John D.
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