CN1005893B - Articular active function meter - Google Patents

Abstract

The present invention relates to an articular active function testing device. Two circular discs, a flexible handle and two horizontal testing rods are arranged on the present invention, wherein the two circular discs with graduations can be relatively rotated, and can be locked at any position; the flexible handle with a draw rod is connected with the center of the circular disc; the two horizontal testing rods are respectively fixed at the edges of the two circular discs, and are parallel to the surfaces of the circular discs, and extension lines of the two horizontal testing rods penetrate through two centers of circles. The present invention is composed of an active testing subassembly and a small articular testing subassembly, wherein one end of the active testing subassembly is fixed on a circular disc, and the active testing subassembly is axially parallel to the circular disc. The present invention is the articular active function instrument which has the advantages of convenient measurement, accuracy of reading and overall test.

Description

Articular active function meter

The present invention is applied to various articular active functions.Be particularly suitable for the orthopedist as testing human osteoarthrosis movable function.

The orthopedist owing to lack indispensable apparatus, can only observe when diagnosis patient osteoarthrosis movable function usually qualitatively, can't accurately measure osteoarticular movable function quantitatively.The hospital that has has adopted a kind of simple and easy bone goniometer (being produced by Tianjin medical apparatus and instruments factory) at present, and it is two T font chrome-plated metal bars, and two rectangular connections by interlinkage formed, and wherein one to be carved with the millimeter on rectangular be the scale of unit.Can set level and axial semicircle bonding jumper on the vertical with it billet of an end at interlinkage place, being equipped with one, on be carved with 0-180 ° scale.The interlinkage center of two bonding jumpers becomes to aim at the right angle, has pointer with another rectangular vertical billet.When two rectangular when amounting to, two billets overlap, and the number of degrees of indication are 0, and another is rectangular when being maximum position when launching, and the number of degrees of indication are 180 °, and the time spent can not keep flat protractor, two rectangular closing up.The advantage of this apparatus be small and exquisite, take just convenient, readability directly perceived, but this apparatus is to be placed on the skin surface to test, and can not really reflect the active angle of osteoarthrosis, test errors is bigger.In addition, this apparatus is to join by interlinkage, changes so can only survey an angle in the plane, as surveying elbow joint, kneedly stretching angle in the wrong; And it is just powerless for the crown, lumbar vertebra, carpal left and right sides lateroflexion, anterior flexion and rear stretching, left rotation and right rotation.

The objective of the invention is to design a kind of convenient test accuracy of reading, the apparatus of energy full test osteoarthrosis movable function.

Apparatus of the present invention have two to overlap, and can relatively rotate, also can be locked at the disk of any position at any time, a flexible handle that has pull bar that links to each other with two disks, two are separately fixed at two disk borders and parallel with disc surfaces, and the horizontal checkout bar of its extended line by two circle disk centers, and one one end is fixed in the above on the disk, and with the movable testing assembly of disk axially parallel, a little joint test suite.

The further improvement of apparatus of the present invention is the periphery of two disks and scale that top first disc surfaces all has 0～360 ° and the screwed hole that horizontal checkout assembly or movable testing assembly are installed.The position of screwed hole is relevant with the scale of disk, when two disks relatively rotate, can accurately conveniently read the angle changing value.A flexible handle that links to each other with the link of two disks by locking device.Two horizontal checkout bars that are square, an end is the semicircle sphere, an end is in the screwed hole that is threaded in two disks.Movable test main part is to comprise a short connecting rod, and one one end is a screw thread, the boxed rod of the porose and lock-screw of the other end, and an energy move left and right, and can be fixed on arbitrary position.The shrinking connecting-rod that has expansion link lever arm and T measuring head.For test little joint movement function or test left rotation and right rotation, reverse, set little joint test suite during circulatory motion, comprise that be carved with the degree on a surface is graduated roundel of unit and test pointer.Pointer can rotate with roundel.And can read the angle value that pointer rotates from graduated disc.Little joint test suite can be contained on horizontal checkout bar, boxed rod and the expansion link.Lever arm in the movable testing assembly is by two energy-conservation flexible hollow metallic rod, length and direction all can change, lever arm one end has a upper and lower side all can free within the specific limits active T measuring head, and the other end of lever arm can insert the horizontal checkout bar, on the movable testing assembly.

Osteoarticular movable function is concluded following several form: left and right sides lateroflexion, interior receipts abduction, stretch after protracting, left rotation and right rotation, reverse, various joints such as annular rotation look the position difference and have wherein one or more functions respectively, to accurately measure the osteoarthrosis activity point of view, just must measure the angle changing of bone axis centerline.But the middle shaft centre line of this hypothesis can not touch at epidermis, will select bone mark method central point during mensuration earlier, and these points can touch on epidermis.Bone mark method central point is branch bone fixation mark method central point (in the Osteopathic Medicine book respective specified being arranged) again, and motion bone mark method central point.Disk (1) and (2) upper end needs the reference test bar installed, and fixing test coordinate points and movable moving test coordinate points are in its top, and these 4 must be in same plane when testing, and perpendicular or parallel with shaft centre line in the bone.When surveying the osteoarthrosis movable function, owing to can reflect the angle changing of shaft centre line in the bone with this tester.So measuring accuracy height, test specification are wide and this instrument is small and exquisite, in light weight, easy to carry and use, make simple, cost is lower, be easy to promote.

Accompanying drawing has been described one embodiment of the present of invention.

Accompanying drawing 1: the sketch map of articular active function meter.

Accompanying drawing 2: osteoarthrosis movable function side view.

Accompanying drawing 3.4.5 and 6: three kinds of test case of this tester.

Fig. 1 has described articular active function meter, has two to overlap, and can relatively rotate.Also can be locked in the disk (1 of any position at any time, 2), flexible handle that has pull bar (4) (3) that links to each other with two disks (1,2), two are separately fixed at two circles (1,2) edge, and parallel with disk (1,2) surface, and its extended line is by disk (1, the horizontal checkout bar (6,18) in the center of circle 2), an end are fixed on the disk (1), and constitute with the movable testing assembly (22) of disk (1) axially parallel and little joint test suite (20).

Fig. 2: two have scale and can overlap, and the link (28) of disk (1,2) in relative rotation, put (5) by locking and link to each other with the flexible handle that has pull bar (4) (3), two are separately fixed at two disk borders, and parallel with disc surfaces, and its extended line is by the horizontal checkout bar (6,18) that is square of two circle disk centers, one end is a screw thread, screw in respectively in the screwed hole of disk (1,2), the other end is a semi-round ball.One one end is fixed on the disk (1), and with disk (1,2) axially parallel, is screw thread by short connecting rod (7) with an end, and the other end is porose to link to each other with the connecting rod that is square (8) of lock-screw, connecting rod (8) again with an energy move left and right.And the shrinking connecting-rod that has lever arm (15) (9) that can be fixed on arbitrary position connects.Lever arm (15) one ends have a upper and lower side all can free within the specific limits active T measuring head (16), and the other end of lever arm (15) also can be connected with horizontal checkout bar (6).Being equipped with on horizontal checkout bar (6) that a surface is carved with the degree is that the graduated roundel of unit (10) lower end has a minor axis (24), have the hole and lock-screw (11) is housed on the axle, there is a minor axis disk upper end, test pointer (13) is housed on the axle, be fixed on the minor axis with lock-screw (14), pointer can rotate with roundel.(16,17) are the fixed signal bar.

Fig. 3: the tester holds this tester, stand in tested personnel back, in tester disk (1), screw in two horizontal checkout bars (6) in the screwed hole on the face of cylinder (2), two horizontal checkout bars draw alignment in, with the accurate spinous process of the seventh cervical vertebrae central point of fixed signal pole pair (bone fixation mark method central point), aim at pillow back knuckle central point (movable bone sign central point) with horizontal reference test bar (6), allow the testee bend or right side (or interior receipts abduction) in the wrong in the left side to the greatest extent to greatest extent, when lateroflexion arrives extreme position, rotate another horizontal checkout bar (18) with hands and aim at pillow back knuckle central point again.Reference test bar drives disk (1) and rotates, and with lock-screw (12) locking, can read the angle value of left and right sides lateroflexion (or inside and outside abduction) from the scale that disk rotates.Require horizontal checkout bar (6) parallel this moment with shaft centre line in the bone, and the angle of measuring according to the equal principle of two parallel lines corresponding angles is the angle that the shaft centre line left and right sides is bent in the head and neck ossa articularia.

Fig. 4: the test of anterior flexion and rear stretching function, method is the same, just will be with fixed signal point (17) secured in alignment bone sign central point, during test, it is parallel with shaft centre line in the head and neck ossa articularia that reference test bar also will keep.

Fig. 5: left rotation and right rotation, reverse, the functional test of circulatory motion.Measure left rotation and right rotation, reverse, during the circulatory motion function, also must on horizontal checkout bar (6), be inserted in little joint test suite (20), two horizontal checkout bar horizontal positioned.And aim at pillow back knuckle central point (movable bone sign central point) and allow measured's left rotation and right rotation to the greatest extent to greatest extent, mobile and horizontal reference test bar (6), allow the test pointer (13) on the little joint test suite (20) aim at knuckle center, pillow back, at this moment the angle of horizontal checkout bar (6) disc rotated and test pointer all can intuitively be read relative to the angle that roundel rotates, according to triangle known two jiaos, third angle equals 180 ° and subtracts known two jiaos of sums, can make things convenient for the angle of accurately measuring shaft centre line left rotation and right rotation in the head and neck joint.At this moment, the central point of disk (1), (2).The vertical triangle of shaft centre line in the central point of roundel and head and neck joint axis central point formation and the bone.

Fig. 6: the test of articulations digitorum manus movable function, the test pointer (13) of testing (20) with little joint is parallel with tested finger, and armrest is depended on face, and making initial reading is 0.When finger is crooked, rotates test pointer (13) and be close to tested dorsal surfaces of fingers again, can read tested finger angle of bend value from roundel.

Claims (5)

1, a kind of articular active function meter, it is characterized in that it is by comprising that at least two overlap and can relatively rotate, also can be locked in the garden dish (1 of any position at any time, 2), one and garden dish (1,2) flexible handle that has pull bar (4) (3) of Xiang Lianing, two are separately fixed at two garden dishes (1,2) edge, and with garden dish (1,2) surface is parallel, and its extended line is by garden dish (1,2) the horizontal checkout bar (6 of the garden heart, 18), at least comprise that one one end is fixed on the garden dish (1), and with disk (1) axially parallel by connecting rod (7), the connecting rod (8) of the side's of being row, shrinking connecting-rod (9), expansion link lever arm (15), and the movable testing assembly (22) of T measuring head (16) composition, and by having graduated roundel (10), tuning drive gear (13), the little joint test suite (20) that has connecting axle (24) composition of locking device (11) constitutes.

2, articular active function meter according to claim 1 is characterized in that all there is 0-360 ° scale on the periphery of two disks and the surface of disk (1).

3, articular active function meter according to claim 1 and 2, the flexible handle (3) that it is characterized in that having pull bar (4) links to each other by the link (28) of locking device (5) with two disks (1,2).

4, articular active function meter according to claim 1 and 2 is characterized in that horizontal checkout bar (6) or movable testing assembly (22) can join with little joint test suite (20).

5, articular active function meter according to claim 3 is characterized in that horizontal checkout bar (6) or movable testing assembly (22) can join with little joint test suite (20).

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