CN103190899A - Electrocardiogram measuring electrode holder and electrocardiograph - Google Patents
Electrocardiogram measuring electrode holder and electrocardiograph Download PDFInfo
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- CN103190899A CN103190899A CN2013101418585A CN201310141858A CN103190899A CN 103190899 A CN103190899 A CN 103190899A CN 2013101418585 A CN2013101418585 A CN 2013101418585A CN 201310141858 A CN201310141858 A CN 201310141858A CN 103190899 A CN103190899 A CN 103190899A
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Abstract
An electrocardiogram measuring electrode holder (1) in the shape of a strap comprises a strap body (10). An electrode holding part (3) to be positioned at a predetermined anatomical position about the chest level of a testee is disposed in the strap body (10). An electrode (2) is disposed in the electrode holding part (3) and is provided with an electrode contact (21), and the electrode contact (21) to be contacted with the skin of the testee projects towards one side of the strap body (10). During test, the distance between the electrode contact (21) and the strap body (10) can be automatically adjusted according to a distance from the strap body (10) to the skin to be contacted with the electrode contact (21), so that the electrode contact (21) is stably contacted with the skin of the testee.
Description
Technical field
In general, the present invention relates to be used to the sensor that carries out ecg measurement, specifically, relate to a kind of band shape device (harness) that is provided with electrode, can be fixed in testee's chest simple to operately, and use the described electrocardiograph of being with the shape device to obtain electrocardiosignal and carrying out ecg measurement.
Background technology
Usually measure the information that provides about testee's cardiac function with electrocardiograph (ECG).By sensor being placed on testee's suitable position, electrode records waveform and sends for example ECG device to from testee's human body surface, after amplifying, show or print the wavy curve figure of expression testee heart condition, analyze and diagnose to offer doctor or relevant speciality technical staff.
In order to obtain sufficient information in order to testee's heart condition is carried out analyzing and diagnosing, common 12 lead electrocardiogram need be placed 6 electrodes in the position near chest, be V1, V2, V3, V4, V5, V6 totally 6 thoracic wall electrodes, add 4 limb electrodes, totally 10 electrode synchronized samplings; For 18 electrocardiograms that lead, general right side chest and the back position that also needs respectively arranges other 3 thoracic wall electrodes, V7, V8, the V9 that is respectively the back be V3R, V4R, V5R totally 3 electrodes of totally 3 electrodes and right chest, adds 4 limb electrodes, totally 16 electrode synchronized samplings.
Obtain electrocardiogram accurately, it is very important that electrode is put into very accurate anatomical location.Yet even for the medical worker of specialty, because testee's body sizes difference, the work of this accurate placement electrode also has suitable difficulty, and this work in case of emergency becomes more difficult.For example, on ambulance or at the scene, carry out the ECG measurement with portable ECG device, because it is pressed for time, often be difficult to localizing electrode quickly and accurately.
Existing patent disclosure the multiple ECG of convenience measure the device that particularly makes things convenient for its positioning of electrode.Generally, these devices comprise certain band or band shape device (for example, referring to patent documentation 1 or patent documentation 2).
Patent documentation 1: Chinese utility model Granted publication CN2524671Y number
Patent documentation 2: Chinese invention patent Granted publication CN1191784C number
Though above-mentioned band shape device can be placed into roughly suitable anatomical location with a plurality of electrodes are disposable, convenient laying of electrode still exists many defectives or inconvenient part.
Electrode need contact well with human body skin when ECG measured, but because people's chest and uneven, the zone that has depression, this makes that the electrode that corresponding sunk area place arranges may not be stablized contact testee's skin of chest when band shape device was fixed on testee's chest.
Though patent documentation 1 and patent documentation 2 disclosed band shape devices all have can the fine adjustments electrode position rectangular slot or bar hole, testee with different chest sizes is fit to use, but it also can bring problem, because chest is not smooth fully, the position that electrode position may depart from original setting easily when therefore using.
In addition, as patent documentation 1 or patent documentation 2 disclosed band shape devices all need special fixture with as described in band shape device be fixed on testee's chest.For example, patent documentation 1 disclosed band shape device often all needs to arrange sufficiently long fixing band at its two ends, for example can be around whole chest one circle of testee, and the setting fastening spare that need cooperatively interact the fixing band setting at two ends, will being with the shape device to be fixed on testee's chest, this setting fastening spare for example is enough soft and two sections ropes that are used for knotting of being not easy to rupture, the thread gluing that perhaps directly is bonded together or other buckling piece, yet, setting fastening and trip all very time-consuming.And the inboard (with the side of contact skin) of patent documentation 2 disclosed band shape devices needs to apply the adhesive-layer that is used for adhering on testee's skin, because this band of hygienic issues shape device generally is not suitable for reusing, in addition, for the operator for example for the doctor, patent documentation 2 disclosed band shape devices stick to testee's chest, if the position that band shape device is placed for the first time is improper, the position that change band shape device can relative trouble.Carry out ECG when measuring at hospital or MEC, often have and a large amount of wait to see the doctor or wait inspection person, slight inconvenience may all can cause need doing the place that ECG measures with the shape device in a large number in hospital or MEC etc. and be difficult to obtain large-scale application.
Summary of the invention
The object of the present invention is to provide a kind of people's of overcoming chest to have sunk area, unevenness and cause electrode easily and the band shape device that is provided with electrode of the defective that contact skin is bad.In addition, this band shape device can be fixed on testee's chest simple to operately, and the convenient adjustment of electrode position, adjusts its position, back and is difficult for again departing from.
In one embodiment, a kind of for the band shape device of placing the electrocardio measurement electrode, comprise band body, the electrode that is provided with the predetermined anatomical location of the roughly chest level that will navigate to the testee in described band body arranges portion, a described electrode arranges a described electrode can be set in the portion, described electrode has to described band body one side-prominent, be used for the electrode contact with testee's contact skin, during test, described electrode contact can be adjusted the distance of described electrode contact and described band body automatically according to the skin that described electrode contact will contact from the distance of described band body.Owing to can regulate the distance that electrode contact stretches out band body, even make the chest region of electrode desire contact have depression, electrode contact still can be stablized the skin of this sunk area of contact.
At one more specifically in the embodiment, can be by between described band body and described electrode contact, flexible member being set, the elastic pressure that acts on electrode contact by described flexible member adjust electrode contact leave the distance of band body and make electrode contact well with contact skin, and utilize the electric conductivity of described flexible member to transmit electrode signal.Because flexible member both provided elastic pressure, transmitted electrode signal again, therefore this project organization is simple, saves material, low price.
Preferably, above-mentioned flexible member is a hollow spring.Hollow spring and band body and electrode contact all are easy to combination.
Preferably, above-mentioned hollow spring has the diameter that gradually changes, and makes the less turn of compression back diameter can be in the bigger turn of diameter.So, have at hollow spring under the situation of original length of same length, longer Adjustable Range can be provided.
In above-mentioned preferred implementation, the described electrode portion of setting comprises the electrode accommodation section that penetrates described band body, described electrode also comprises the cylinder that is arranged in described electrode accommodation section, and described electrode contact is fixed in an end of described cylinder, and described hollow spring is sheathed on described cylinder.By cylinder connection electrode contact, the electrode signal transmission is more reliable, and the bulk strength of electrode is big, is not easy to damage.
More preferably, on described cylinder, between the outside of described band body and described band body and described flexible member, can be provided with electrode collar or electrode pads, to reduce the wearing and tearing to band body.
In the above-described embodiment, in described band body, be provided with a plurality of electrodes portion is set.Because being provided with a plurality of electrodes arranges portion, thereby a plurality of electrodes can be set to adapt to the test that difference is led synchronous electrocardiosignal.For example can adapt to 12 and lead the test of electrocardiogram, or 18 lead the test of electrocardiogram.
Preferably, on described band body, also set up the interface that can connect 4 limb lead electrodes.So, when for example doing 12 conventional lead electrocardiogram or 18 lead electrocardiogram, can connect required limb lead electrode easily.
Have a plurality of described electrodes and arrange in the embodiment of portion above-mentioned, be provided with a plurality of described electrodes in a plurality of described electrodes arrange, the described electrode contact that the described electrode contact of a plurality of described electrodes can be adjusted is different and different according to described predetermined anatomical location with the ultimate range of described band body.And preferably, described predetermined anatomical location is the closer to the middle sunk area of testee's anterior part of chest, and the described electrode contact that corresponding described electrode can be adjusted and the ultimate range of described band body are more long.Because the adjustment of diverse location place electrode contact is designed the more consistent a plurality of electrodes of electrode tactility concerning the testee easily apart from difference.
Have a plurality of described electrodes and arrange in the embodiment of portion above-mentioned, the preferred at least part of electrode portion of setting comprises the electrode position adjustment structure.The electrode position adjustment structure is set can regulates the position of electrode easily, this is very useful to obtain more accurate ECG signal for accurate localizing electrode.
In above-mentioned embodiment with electrode position adjustment structure, described electrode position adjustment structure comprises elongated slit, in described slit, be provided with the electrode retainer, described electrode can move to regulate the position of described electrode along described slit, and described electrode retainer can stop described electrode mobile in described electrode position adjustment structure to a certain extent.So-called " to a certain degree ", be exactly that appropriateness is exerted oneself, can break through the interception of this electrode retainer again, described electrode can be moved to regulate the position of described electrode in slit along described slit, but under the situation that does not apply the special external force that exceeds a certain size, electrode can remain on the position of setting.Owing to be provided with the electrode retainer, behind the setting electrode position, electrode position is not easy to depart from.
In the above-described embodiment, described band body has two ends, is used for described band body is fixed on testee's chest.
Preferably, one of them end is connected with weight, and another end is fixed on tool one side of lying that couches for the testee.
Preferably, another end is connected with a polar body, during use described polar body is inserted into described testee's back and for lying between the tool that described testee couches, is connected with an end of described plate body with fixing described band shape device from testee's one side.
The mode of these fixing band shape devices is simpler than conventional fixed form, is conducive to be with the shape device to be used more popularly.
Preferably, also be provided with electrode on the described plate body portion is set.For some special state of an illness, need to the ECG signal of testee's back chest synchronously or asynchronous-sampling just can correctly diagnose.Since be used for being inserted into the testee back with the polar body of lying between the tool on electrode also is set, the collection to the electrocardiosignal of back chest just in time can be provided, therefore so design is very novel and conveniently.
Preferably, above-mentioned two ends wherein at least one adopt to flexibly connect with being connected of described band body.For example adopt flexible connections such as slide fastener, the fastener that cooperatively interacts, like this, can be convenient for changing various ends, select different fixed forms.
The present invention also provides a kind of electrocardiosignal measuring instrument, comprises instrument body and above-mentioned any band shape device, and will send described instrument body to from the described signal of the electrode of shape device of being with by lead.
Description of drawings
Fig. 1 is a front view, schematically expresses the ECG band shape device that constitutes by the present invention.
Fig. 2 is the front view that amplify a part with electrode of electrode position adjustment structure in the band shape device of the present invention.
Fig. 3 is a kind of sketch map that is adapted to the columnar electrode of band shape device use of the present invention.
Fig. 4 is the sketch map that is adapted to the another kind of columnar electrode of band shape device use of the present invention.
Fig. 5 is the end view that is connected with the band shape device of weight.
Fig. 6 is the end view that is connected with the band shape device of plate.
Fig. 7 is torso model profile and the band shape schematic representation of apparatus that is arranged on chest and is straightened.
Fig. 8 is a kind of sketch map of improved columnar electrode.
Fig. 9 is the sketch map of another kind of improved columnar electrode.
Figure 10 is a kind of ECG band shape device of setting up 4 limb lead electrode wires.
The specific embodiment
(basic structure of band shape device)
Referring to Fig. 1, band shape device 1 is used for being placed into patient and carries out the ECG measurement on one's body.Band shape device 1 comprises band body 10 and two ends 12 and 13, and band body 10 integral body are longilineal, that is to say first end 12 from the diagram left side to the length the second end 13 on right side significantly greater than its width.The length of band body 10 is roughly corresponding to the chest width between the human body left and right sides, also can be slightly shorter than the chest width between the human body left and right sides, but also can be can be around the thoracic wall length of a circle roughly, with adapt to the back also needs the situation of thoracic wall electrode is set.
Be provided with a plurality of electrodes according to the roughly anatomical location of selecting on band body 10 portion 3 is set, a plurality of electrodes 2 for the ECG measurement are arranged on electrode portion 3 are set.And, each or some electrode 2 wherein on the band body 10 are provided with the electrode position adjustment structure of the position that can adjust electrode 2.
Fig. 2 is the figure of the amplification of an electrode that comprises electrode position adjustment structure 30 fine structure that portion 3 is set.Electrode position adjustment structure 30 is an elongated slit 31 on the whole, and these slits 31 pass completely through band body 10, and along the length direction of slit 31, two long limits that constitute slit 31 are roughly zigzag and roughly extension symmetrically mutually.Per two face to slit 31 projecting inward protuberances 321,322 and constitute an electrode retainer 32 that makes the narrowed width of slit 31 on the long limit of the zigzag of slit 31 symmetry, per two corresponding concave part 331,332 constitute an electrode accommodation section 33 that adapts with the size that is arranged at the electrode 2 in the slit 31, electrode accommodation section 33 and the 32 adjacent settings of electrode retainer between the electrode retainer 32 or between the end of the length direction of electrode retainer 32 and slit 31.When electrode 2 is positioned at electrode accommodation section 33, electrode retainer 32 can stop electrode 2 mobile with being intended in the slit 31, but because the material of band body 10 has certain pliability, suitably firmly stir electrode 2, then can break through the prevention of electrode retainer 32, electrode 2 is toggled it to one with it adjacent another electrode accommodation section from current electrode accommodation section 33.
Each slit 31 not all is straight, for example wherein a certain or some slit 31 integral body can be arcs, slit 31 also not all is the same length, and it is in order to adapt to the bigger variation of the desired anatomical location of different bodily form size testees that slit 31 has difformity and length.
Be provided with 1-15 electrode retainer 32 in each bar slit 31, be preferably 2-8, more preferably 3-6.Can be equidistant between adjacent two electrode retainers 32, but not equidistant yet.Relative two protuberances 321,322 of formation electrode retainer 32 are preferably the arc protuberance but do not do special restriction.When the material of band body 10 is very soft material, common fabric for example, electrode retainer 32 is preferably one big slightly than described slit area, be fixed on the band body 10 or the plates in its interlayer, and the material of these plates is preferably hard slightly but have the material of excellent toughness than the material of band body 10, for example plastics or film.When 10 of band bodies had certain rigidity as plastics, film etc., electrode retainer 32 was preferred and band body 10 is one-body molded.
Owing to all constitute electrode accommodation section 33 between the electrode retainer 32 and between the end of electrode retainer 32 and slit length direction, so the number of electrode accommodation section 33 is Duoed 1 than the number of electrode retainer 32.Between adjacent two electrode accommodation sections 33 is 5-25mm, more preferably 8-15mm apart from d.Electrode accommodation section 33 integral body preferably constitute the shape of circular but do not do special restriction, for example other shapes such as ellipse, polygon also are fine, also can be to resemble in succession sealing run-track shaped of standard stadium of track and field of straight way of bend, but preferably adapt with the shape that is arranged in electrode 2 wherein.Its size dimension is preferably the employing same size, with convenient processing.
Fig. 4 schematically shows another kind of columnar electrode 20.Electrode contact 21 with columnar electrode 20 illustrated in fig. 3, cylinder 23 is different with the shape that signal leading-out portion 22 integral body form a spill draw-in groove 24, the cylinder 23 of columnar electrode 20 illustrated in fig. 4 is identical with the maximum gauge of signal leading-out portion 22, therefore, this columnar electrode only is suitable for the electrode on band body 10 and arranges not have in the portion 3 to arrange and have the electrode position adjustment structure 30 of longer slit 31, and only offer the situation of the electrode accommodation section 33 of the rounded through hole identical or bigger with cylinder 23 diameters of columnar electrode 20, in order to install and fix this columnar electrode 20, one pad draw-in groove 25 need be set separately on cylinder 23, in band body 10 arranged outside electrode pads 210 backs pad collar 211 is set in pad draw-in groove 25, perhaps directly in the pad draw-in groove, blocks and establish electrode collar 200.Be different from electrode collar 200, electrode pads 210 need not arrange installs seam.
Signal leading-out portion 22 can be the structures of various suitable connection leads so that signal is derived.Bolt arrangement for example, the packing ring that is connected with lead is set on the bolt, the recycling nut screwing clamping.Preferably, signal leading-out portion 22 for example is as being the pin thread shape of projection in Fig. 3 or shape shown in Figure 4 such as the fastener, and during use, thereby the box that will be connected with lead and this pin thread fastening are derived signal.This connected mode connects very stable, being connected and disconnecting all very convenient of lead and electrode.Also can adopt the clip (for example can be common alligator clamp) of band lead directly to clamp signal leading-out portion 22.The other end of lead can be directly connected to the ECG gauge by connector, also can total splicing ear 14 be set at band body 10 1 ends, referring to Figure 10, (wherein connection lead 15 has only schematically drawn among the figure with lead 15, in fact, each electrode 2 all is electrically connected with splicing ear 14) earlier signal leading-out portion 22 is connected to splicing ear 14, with multicore cable splicing ear 14 and ECG gauge are coupled together again.By total splicing ear 14 is set, reduced various mixed and disorderly electrode connecting lines, avoided various interference and influence to measuring.
The electrode 2 that arranges on the above-mentioned band body 10 all will be positioned to the roughly anatomical location of chest level of testee, all be the thoracic wall electrode.But, in order to obtain conventional 12 lead electrocardiogram or 18 lead electrocardiogram, except the thoracic wall electrode, also need to have extremity electrode.Further referring to Figure 10, band shape device 1 further comprises one or more interfaces 16, and interface 16 can connect 4 limb lead electrode wires 17, be respectively left upper extremity crosslinking electrode line 17-1, right upper extremity crosslinking electrode line 17-2, left lower extremity crosslinking electrode line 17-3, right lower extremity crosslinking electrode line 17-4.Interface 16 also is electrically connected with splicing ear 14.So, when needs are done 12 conventional lead electrocardiogram or 18 lead electrocardiogram, just can expand easily and connect above-mentioned 4 limb lead electrode wires 17, and the thoracic wall electrode of 4 limb lead electrodes on being arranged on band body 10 that described 4 limb lead electrode wires 17 are connected, form 12 complete lead electrocardiogram or the needed electrode of 18 lead electrocardiogram, therefore, so can further expand the application of band shape device 1 easily.
The band body 10 preferred multiple structures that adopt.So, can be embedded in the interlayer of band body 10 with the lead 15 that the splicing ear 14 that has is connected with signal leading-out portion 22, can eliminate the shortcoming that the easy perturbation operation person of lead carries out various operations to band shape device.
Need to prove that each electrode 2 of band shape device 1 is not all to need to arrange electrode position adjustment structure 30.General, be with the position that can pre-determine one of them electrode in each electrode in the shape device 1.For example, can utilize evident characteristic position, position such as breast ridge, clavicle, nipple, which root bone or its position of comprehensively determining to pre-determine as the reference position of one of them electrode, therefore, this electrode can not arrange electrode position adjustment structure 30 and become the electrode of a fixed-site in band shape device 1.When using band shape device 1, the electrode relative reference position that can earlier this be had the fixed position is aimed at and fixing band shape device 1 in advance, regulates the position that other have the electrode of electrode position adjustment structure 30 again.For easy to use, on this band shape device 1, also can indicate the electrode that this has the fixed-site of reference role with tangible sign, for example, which which can indicate at 1 printing of band shape device as " several fingers in right breast left side " or " several fingers in breast ridge right side, and between rib " such literal.
Preferably, on described band body 10, be provided with 6 electrodes at least portion 3 is set, measure to adapt to conventional 12 ECG that lead.
More preferably, on described band body 10, be provided with 9 electrodes at least portion 3 is set, measure to adapt to conventional 18 ECG that lead.
(fixed form of band shape device)
Except the existing conventional setting fastening spare that passes through fixes band shape device, band shape device 1 of the present invention can adopt the gravity mode to fix.Referring to Fig. 1 and Fig. 5, respectively be connected with a weight 5 by a belt body 51 in two ends 12,13 of band shape device 1 simultaneously.Weight 5 for example can be to insert the pearl body of the bigger material making of proportions such as lead or steel or the body in small, broken bits of other shapes in the textile bags of sealing, also can be directly cylinders of making of the bigger material of proportions such as lead or steel of binding of belt body 51.Belt body 51 can adopt with band body 10 identical materials one-body molded.Belt body 51 also can adopt the material identical or different with band body 10, be connected with the end 12,13 of band body 10 by conventional connected modes such as stitching, pressing, bonding, gummeds, more preferably be that belt body 51 can be can be connected with the end 12,13 of band body 10 by modes such as button, slide fastener, fasteners with triping.
During use, after the testee lies on the tool, the operator will cover testee's chest with shape device 1, and the weight 5 at band shape device 1 two ends hangs down naturally in testee's health both sides and will be with shape device 1 to be fixed on testee's chest.
In another fixed form, the structure of two ends 12 of band shape device 1, one of them end of 13 is identical with the structure of above-mentioned embodiment, namely is connected with a weight 5 by a belt body 51.Difference is, two ends 12 of band shape device 1, wherein another end of 13 by belt body 51 predetermined fixed on tool one side of lying that allows the testee couch.Described fixing can be to flexibly connect, and for example belt body 51 is directly lain on the tool of lying, or belt body 51 is provided with the various snap closes that can cooperatively interact with the tool of lying.
During use, to place and the fixing side of tool of lying with shape device 1 earlier, and after the testee lies down, pick up an end that connects weight 5 and will be with shape device 1 to walk around testee's chest, decontrol at testee's opposite side, weight 5 is hung down naturally and will be with shape device 1 to be fixed on testee's chest.
Because on the tool of lying, when carrying out the ECG measurement, the operation that band shape device is fixed on testee's chest is more convenient simpler than the 1st embodiment by predetermined fixed for band shape device 1 one ends.
In another fixed form, the same in two ends 12 of band shape device 1, one of them end of 13 and the above-mentioned embodiment, be connected with a weight 5 by a belt body 51.Difference is that referring to Fig. 6, two ends 12 of band shape device 1, wherein another end of 13 are connected with a plate body 6 by belt body 51 in this embodiment.
During use, allow the testee lie down earlier, then plate body 6 is inserted the testee backs, utilize testee's body wt institute applied pressure that plate body 6 is pressed in the back and lie between the tool.Then, will be with shape device 1 to walk around testee's chest from a side, the end that connects weight 5 is hung down naturally and will be with shape device 1 to be fixed on testee's chest at opposite side.
The surface of plate body 6 had better not be too smooth, is beneficial to plate body 6 and can obtains enough frictional force and be not easy slip.The top layer of plate body 6 also can use materials such as fabric, rubber to cover, so that human body sensory is comfortable.
When belt body 51 was connected with plate body 6, belt body 51 ends preferred and band body 10 flexibly connected by modes such as thread gluings.
When suspecting that the testee exists right ventricle or the positive rear wall myocardial ischemia of left ventricle and myocardial infarction, often need to do 18 lead electrocardiogram.The practice in the past is, formerly finish 12 lead electrocardiogram after, add again be right chest V3R, V4R, three of V5R lead and chest back V7, V8, three of V9 lead, the operation of this practice very bothers, and can't accomplish to finish synchronously.
In order to address the above problem, in above-mentioned another fixed form, further on above-mentioned plate body 6, electrode 2 is set also.Specifically, described band body 10 is provided with V1, V2, V3, V4, V5, V6 and V3R, V4R, V5R totally 9 electrodes 2, at above-mentioned plate body 6 V7, V8, V9 totally 3 electrodes 2 is set, and so just can disposablely synchronously carry out the 18 ECG measurements of leading.
In addition, the electrode 2 on the plate body 6 equally also can arrange electrode position adjustment structure 30, also can further in this electrode position adjustment structure 30 electrode retainer 32 be set.
(improved electrode)
In the various embodiments described above, even weight is enough heavy, in reality, also there is partial electrode 2 well not contact with testee's skin, its reason can describe with Fig. 6.Referring to Fig. 7, the contoured skin shape of cross section of parcel human chest 100 is not all to be cambered outwards, particularly shows significantly indent to inside, thoracic cavity at the cross-sectional profiles of the skin 101 of the mid portion of anterior part of chest.When band shape device 1 was fixed on testee's chest, the band body 10 of band shape device 1 was drawn straightly in the part of testee's anterior part of chest by gravity, so forms a tangible sunk area 110 between the skin 101 of the mid portion of band body 10 and anterior part of chest.Because the existence of sunk area 110, make that be arranged on sometimes can not be well and testee's contact skin near the electrode contact 21 of the electrode 2 in the zone of this sunk area 110.
The present invention makes improvements the structure of electrode 2 on the basis of the various embodiments described above, makes the length difference of the electrode 2 that is arranged on band shape device 1 diverse location.Fig. 8 represents a kind of structure of improved columnar electrode 20.Compare with Fig. 3 or Fig. 4, identical parts adopt identical Reference numeral.The improvements of columnar electrode 20 shown in Figure 8 are, for being arranged on corresponding columnar electrode 20 near sunk area 110 zones in the band body 10, its cylinder 23 is obviously more longer than the length of the cylinder 23 of the columnar electrode 20 that is arranged on other positions, even make that cylinder 23 also has enough length makes electrode contact 21 can touch testee's skin under the band body 10 quilt situations of evening up.
In addition, for more excellent contact power is provided, a flexible member 26 can be set between electrode contact 21 and band body 10 provides an elastic pressure to give electrode contact 21.This makes that band body 10 can provide an enough elastic force that electrode contact 21 can be contacted more well with testee's skin for electrode contact 21 by this hollow spring under the band body 10 quilt situations of evening up.
This flexible member 26 is a hollow spring preferably, can be set on the cylinder 23 also should to be arranged between electrode contact 21 and the band body 10 by hollow spring.More preferably, the diameter of this hollow spring changes, and for example middle maximum, two ends diminish gradually, so, when this hollow spring of compression, but in the large diameter turn of turn indentation of minor diameter, makes that the length of compressing rear spring can be extremely short.So, have at hollow spring under the situation of original length of same length, longer Adjustable Range can be provided.
In addition, in order under the situation that flexible member 26 is installed, to reduce the wearing and tearing of 26 pairs of band bodies 10 of flexible member, and make electrode 2 mobile in the slit 31 of electrode position adjustment structure 30 more swimmingly, can on cylinder 23, between flexible member 26 and band body 10, electrode pads 210 be set.In addition, on cylinder 23, also electrode pads 210 should be set in band body 10 outsides, pad collar 211 is set in pad draw-in groove 25 simultaneously, perhaps also electrode pads 210 and pad collar 211 can be set, and electrode collar 200 (not shown)s directly directly are set in pad draw-in groove 25, drop out to prevent that columnar electrode 20 breaks away from from band body 10.
In addition, except the columnar electrode near chest intermediate recess zone 110, if the electrode 2 that use other positions also is columnar electrode, also can the suitable flexible member 26 of installation length between its electrode contact 21 and the band body 10, hollow spring for example is so that electrode contact 21 can provide excellent contact pressure to testee's skin.
Fig. 9 has represented the structure of another kind of improved columnar electrode 20.Wherein the length of cylinder 23 is very short, and is not integrally formed or fixing with electrode contact 21, only works to be fastened on electrode accommodation section 33.Flexible member 26 1 ends and electrode contact 21 are fixing, for example fix by welding installing hole fixing or that be arranged on the electrode contact 21, one end snare utilizes the electric conductivity of flexible member 26 to transmit electrode signal on the pad draw-in groove 25 that is positioned at band body 10 inboards on the cylinder 23.
Should be appreciated that the specific embodiment of the present invention is for the present invention will be described but not limits.
For example, for the weight of weight 5, can the contact skin with the testee be just passable effectively so that will be arranged on electrode 2 on the band shape device 1 as long as it will be understood by those skilled in the art that, the weight that has of 200 to 1000 gram materials for example.Though bigger weight can improve the stability of band shape device, make electrode more well with testee's contact skin, also can consume more muscle power of operator when using, it is unfavorable that this especially may cause the women operator.
And for example, belt body 51 and the connected mode of band body 10 are not done special restriction, but the movable connection method that preferred employing can conveniently connect and disconnect, for example connect by slide fastener, the modes such as fastener that cooperatively interact, so that band body 10 can connect different fixtures to be suitable for different fixed forms, the weight 5 that also is convenient for changing Different Weight is suitable for different operators.
And for example, for columnar electrode 20, Fig. 3, Fig. 4 and electrode contact 21 shown in Figure 8 are a kind of smooth metal contact with arc convex, but common sucked type contact also is fine.
And for example, the electrode retainer 32 among the present invention is to form with band body 10, but also can be that the mode of fixing an electrode retainer that matches with slit 31 shapes in inner surface, outer surface and the interlayer of band body 10 forms.
And for example, be not on the band shape device 1 all electrodes 2 all need to use columnar electrode.For example, except the electrode near chest intermediate recess zone 110, the set electrode in other positions also can be the very short other forms of electrode of length, for example shim-like electrode.
The present invention has significant advantage.This band shape device is cheap, easy to use.Because elongated electrode position adjustment structure is arranged, this band shape device is applicable to the testee of the various bodily forms.The orientation of slit has guaranteed the very accurate anatomy location of electrode, and the electrode retainer can avoid electrode to depart from the position of setting easily.Near the umbilicate zone of chest, electrode length is long slightly and use flexible member to provide pressure to electrode contact, makes electrode contact can reliably contact the skin in chest intermediate recess zone.The most important thing is that owing to adopt gravity to fix this band shape device, this makes the operation of fixing band shape device become very easy, being particularly conducive to needs frequently to carry out for a long time the occasion that ECG measures.
Claims (12)
1. band shape device (1) of be used for placing electrocardio measurement electrode (2), comprise band body (10), the electrode that is provided with the predetermined anatomical location of the roughly chest level that will navigate to the testee in described band body (10) arranges portion (3), described electrode arrange the described electrode of portion (3) (2) be arranged at described electrode portion (3) is set and have for the electrode contact (21) of testee's contact skin, it is characterized in that:
When described band body (10) is fixed in testee's chest, the skin that described electrode contact (21) can will contact according to described electrode contact (21) is adjusted the distance of described electrode contact (21) and described body (10) automatically from the distance of described band body (10), makes the tested all skin of the stable contact of described electrode contact (21).
2. band shape device according to claim 1, it is characterized in that: described electrode (2) comprises flexible member (26), described flexible member (26) is arranged between described band body (10) and the described electrode contact (21), when described band body (10) was fixed in testee's chest, described flexible member (26) can act on an elastic pressure and give described electrode contact (21).
3. band shape device according to claim 2, it is characterized in that: described flexible member (26) is a hollow spring.
4. band shape device according to claim 3, it is characterized in that: described hollow spring has the diameter that gradually changes, and makes the less turn of compression back diameter can be in the bigger turn of diameter.
5. band shape device according to claim 4, it is characterized in that: described electrode (2) comprises the signal leading-out portion (22) of output electrode signal, and described hollow spring conducts electricity, and is used for the described electrode contact of electric connection (21) and described signal leading-out portion (22).
6. band shape device according to claim 3, it is characterized in that: described electrode arranges portion (3) and comprises the electrode accommodation section (33) that penetrates described band body (10), described electrode (2) also comprises the cylinder (23) that is arranged in described electrode accommodation section (33), institute's art is stated the end that electrode contact (21) is fixed in described cylinder (23), and described hollow spring is sheathed on described cylinder (23).
7. according to the described band of arbitrary claim shape device among the claim 1-6, it is characterized in that: in described band body (10), be provided with a plurality of electrodes portion (3) is set, be provided with a plurality of described electrodes (2) in described a plurality of electrode settings (3), the described electrode contact (21) that the described electrode contact (21) of a plurality of described electrodes (2) can be adjusted is different and different according to described predetermined anatomical location with the ultimate range of described band body (10).
8. band shape device according to claim 7, it is characterized in that: a plurality of described electrodes arrange at least part of electrode position adjustment structure (30) that comprises in the portion (3).
9. according to the described band of arbitrary claim shape device in claim 1-6 and 8, it is characterized in that: described band body (10) has two ends (12,13), be used for described band body (10) is fixed on testee's chest, at least one is connected with weight (5) in described two ends (12,13).
10. to show described band shape device according to arbitrary right in claim 1-6 and 8, it is characterized in that: described band body (10) has two ends (12,13), be used for described band body (10) is fixed on tested all chests, there is one to be connected with a plate body (6) in described two (12,13), described plate body (6) can be inserted into testee's back and for lying between the tool that the art testee of institute couches, be connected with an end of described plate body (6) with fixing described band shape device from testee's one side during use.
11. according to the described band of arbitrary claim shape device in claim 1-6 and 8, it is characterized in that: set up the interface (16) that can connect 4 limb lead electrodes at described band body (10).
12. an electrocardiosignal measuring instrument comprises the instrument body and according to the described band of arbitrary claim shape device among the claim 1-11, and will be sent to described instrument body from the electrode signal of described electrode (2) by lead.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310141858.5A CN103190899B (en) | 2013-04-23 | 2013-04-23 | Place electrocardio and measure device and the electrocardiograph of electrode |
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| CN201310141858.5A CN103190899B (en) | 2013-04-23 | 2013-04-23 | Place electrocardio and measure device and the electrocardiograph of electrode |
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| CN103190899A true CN103190899A (en) | 2013-07-10 |
| CN103190899B CN103190899B (en) | 2016-08-03 |
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