CN105147271A - Shockproof handheld sphygmomanometer - Google Patents
Shockproof handheld sphygmomanometer Download PDFInfo
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- CN105147271A CN105147271A CN201510467105.2A CN201510467105A CN105147271A CN 105147271 A CN105147271 A CN 105147271A CN 201510467105 A CN201510467105 A CN 201510467105A CN 105147271 A CN105147271 A CN 105147271A
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- inner housing
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Abstract
The invention relates to a handheld sphygmomanometer with a shockproof structure. The sphygmomanometer is characterized by comprising an upper shell, a lower shell, an inner shell component, a valve component, an inflation component, a pressurized ball jacket, an airway structure and a shockproof mechanism, wherein the inner shell component is arranged between the upper shell and the lower shell, the shockproof mechanism is arranged between the inner shell component and the upper shell as well as between the inner shell component and the lower shell, the valve component is arranged on the lower portions of the shells and connected with the inflation component through a thread, a sealing ring is arranged between the valve component and the inflation component, and the valve component and the inner shell component are communicated by the airway structure arranged therebetween. The shockproof handheld sphygmomanometer is ingenious in integral structure design, and the shockproof goal is achieved well through a damping principle.
Description
Technical field
The present invention relates to a kind of sphygomanometers, particularly a kind of rugged hand held sphygomanometers, belong to technical field of medical equipment.
Background technology
Along with expanding economy and social progress, improving constantly of common people's health perception, the enhancing of self health consciousness, the requirement of people to aspects such as living environment, individual health care, medical treatment is more and more higher, and Handheld sphygmomanometer is a kind of mechanical sphygomanometers belonging to the indirect method of measurement.It is easy to use, quick, is day by day used widely.
Existing Handheld sphygmomanometer, when assembling movement diaphragm capsule be all generally directly and watchcase by screw thread or screw generation fastening relationships, make sphygomanometers like this after being impacted, vibration can be directly delivered on core component by screw thread place, core component is had an impact, thus it is many bad to make sphygomanometers indicating value that inclined pin, displacement etc. occur, and directly affect measurement result, for this problem, those skilled in the art also is constantly attempting improving, but the solution that this problem is never arrived very much.
Summary of the invention
The present invention, just for the technical problem existed in prior art, provides a kind of rugged hand held sphygomanometers, and this technical scheme overall construction design is ingenious, well reaches shockproof object by damping shock absorption principle.
To achieve these goals, technical scheme of the present invention is as follows: a kind of Handheld sphygmomanometer being provided with shockproof structure, it is characterized in that, described sphygomanometers are provided with upper shell, lower house, inner housing component, valve component, inflatable component, pressurized balls sheath, air passage structure and aseismatic mechanism, described inner housing component is arranged at upper shell, between lower house, described inner housing component and upper shell, aseismatic mechanism is provided with between lower house, described lower housing portion is provided with valve component, described valve component is threaded connection inflatable component, sealing ring is provided with between described valve component and inflatable component, described valve component be provided with air passage structure between inner housing component and be connected.This technical scheme is provided with the ability that aseismatic mechanism can well reduce transmitting vibrations, guarantees that the accuracy measured is protected sphygomanometers core component simultaneously, strengthens its impact-resistant ability, extend its service life.
As a modification of the present invention, described inner housing component comprises inner shell, cartridge assemblies, bellows member, dial plate, indicator parts and watch crystal, described cartridge assemblies, bellows member, by movement post fastened by screw, is loaded in inner shell, dial plate, indicator parts, watch crystal is set gradually above cartridge assemblies, in this technical scheme, fastening with cross recessed countersunk head tapping screw, then dial plate is loaded successively, indicator parts, watch crystal, screws on holding screw.
As a modification of the present invention, described aseismatic mechanism comprises crash roll and earthquake washer, and described crash roll is arranged between inner housing component and lower house, and described earthquake washer is arranged between inner housing component and upper shell, described crash roll is enclosed within inner housing component, then puts into lower house; Described aseismatic mechanism also plays the effect of support, location inner housing component.
As a modification of the present invention, crash roll comprises cylindrical body and is arranged on the flange above cylindrical body, described cylindrical body is provided with notch, wherein the lateral surface of crash roll cylindrical body medial surface and inner shell matches, the lateral surface of crash roll cylindrical body and the medial surface of lower house match, the lower surface of described crash roll lug upper surface and inner shell outer rim ladder matches, and the reinforcement upper surface of described crash roll flange lower surface and lower house matches.
As a modification of the present invention, described earthquake washer is set to ring washer, its single topping, pastes on the groove surface of upper shell, and the one side of the non-rubberizing of earthquake washer matches with the upper surface of inner shell outer rim ladder.Such structure makes inner housing component be subject to the support of crash roll and earthquake washer, not easily within upper shell, lower house, play occurs.
As a modification of the present invention, described valve component comprises valve part, valve body plug, air valve cap, spring and jump ring, and described valve part is made up of four-way valve body and air valve neck, nuzzles in advance in four-way valve body during described air valve neck injection moulding.Described valve body plug is arranged on valve part air inlet D place, plays check valve effect, and described air valve cap is connected with air valve neck by screw thread, is provided with spring in described air valve neck, and described jump ring is arranged in air valve cap, plays position-limiting action.
As a modification of the present invention, described inflatable component comprises pressurized balls, pressurized balls inner sleeve, plastics end valve, described pressurized balls is suitable for reading arranges pressurized balls inner sleeve, and described pressurized balls inner sleeve is connected by screw thread with valve part, described plastics end valve is arranged on pressurized balls afterbody, plays the effect of check valve.
As a modification of the present invention, described air passage structure comprises trachea, and described trachea one end is connected with the bellows valve B of inner housing component, and the other end is connected with the valve body valve C of valve component.
As a modification of the present invention, buckle structure A and crossed pan head tapping screw is provided with between described upper and lower watchcase, described buckle structure has three, and lay respectively at 70 °, the inclined top in sphygomanometers top and the left and right sides, described crossed pan head tapping screw is arranged on watchcase afterbody.
As a modification of the present invention, described inflatable component is outside equipped with pressurized balls sheath, and described pressurized balls sheath is enclosed within inflatable component; Described pressurized balls sheath is enclosed within the afterbody step of upper shell, lower house, and the material of described crash roll is set to silica gel or other damping materials, and the material of described earthquake washer is set to foam or other damping materials.
Relative to prior art, advantage of the present invention is as follows:
1) overall construction design of the present invention is ingenious, practical, convenient disassembly;
2) this technical scheme well reduces the ability of structure transmitting vibrations by arranging aseismatic mechanism, protects core component, increases its impact-resistant ability.The aseismatic mechanism of this technical scheme adopts the ultimate principle of damping shock absorption, namely during solid vibration, the energy that solid is vibrated is dissipated in the method in damping layer as much as possible, be called damping shock absorption, damping refers to and hinders the relative motion of object and kinergety be converted into heat energy or other can the one effect of dissipation energy; Aseismatic mechanism in this technical scheme adopts the effect of damping shock absorption to mainly contain the following aspects: (1) reduces the resonance amplitude of sphygomanometers structure, thus avoids structure to cause structural deterioration because dynamic stress reaches capacity; (2) contribute to sphygomanometers, after inner housing component is subject to moment impact, return to steady statue very soon; (3) machining accuracy of sphygomanometers, certainty of measurement and operating accuracy can be improved; Under dynamic environment, job demand has higher shock resistance and dynamic stability, can greatly improve its dynamic property by various impedance bundary; (4) ability reducing structure transmitting vibrations is contributed to;
3) this technical scheme contributes to after mechanical system is subject to moment impact, returning to steady statue very soon;
4) this technical scheme is using inner shell as independently overall, can produce separately it, also can as member replacing.
Accompanying drawing explanation
Fig. 1 is the overall sectional view of the present invention;
Fig. 1-1 is the M-M sectional view of Fig. 1;
Fig. 2 is exploded view of the present invention;
Fig. 3 is that the present invention impacts orientation schematic diagram;
Fig. 4 is the shockproof principle schematic of the present invention;
Fig. 5 is inner housing component sectional view of the present invention;
Fig. 6 is valve component sectional view of the present invention;
Fig. 7 is valve part sectional view of the present invention;
Fig. 8 is inflatable component sectional view of the present invention;
Fig. 9 is crash roll part drawing of the present invention;
Fig. 9-1 is Fig. 9 sectional view;
Fig. 9-2 is Fig. 9 top view;
Figure 10 is earthquake washer part drawing of the present invention;
Figure 11 is Figure 10 sectional view;
In figure: 1 earthquake washer; 2 upper shells; 3 crash rolls; 4 inner housing component; 5 lower houses; 6 tracheas; 7 valve components; 8 sealing rings; 9 pressurized balls sheaths; 10 inflatable components; 11 cross recessed countersunk head tapping screws; 12 crossed pan head tapping screws; 13 bonnet covers; 14 indicator parts; 15 watch crystals; 16 dial plates; 17 cartridge assemblies; 18 bellows member; 19 inner shells; 20 holding screws; 21 movement post screws; 22 valve parts; 23 valve body plugs; 24 jump rings; 25 springs; 26 air valve caps; 27 air valve necks; 28 four-way valve bodies; 29 pressurized balls inner sleeves; 30 pressurized balls; 31 plastics end valves; 32, cylinder body, 33, flange, 34, crash roll notch; A buckle structure; B bellows valve; C valve body valve; D air inlet; E inner shell notch; The lower surface of F1 inner shell outer rim ladder; F1 crash roll lug upper surface; The lateral surface of F2 inner shell; F2 crash roll cylinder medial surface; The reinforcement upper surface of F3 lower house; F3 crash roll flange lower surface; The medial surface of F4 lower house; The lateral surface of f4 crash roll cylinder; The upper surface of F5 inner shell outer rim ladder; The one side of the non-rubberizing of f5 earthquake washer.
Detailed description of the invention
In order to strengthen, to understanding of the present invention and understanding, introducing further the present invention below in conjunction with the drawings and specific embodiments.
embodiment 1:
See Fig. 1, Fig. 1-1, Fig. 2-Fig. 5, a kind of Handheld sphygmomanometer being provided with shockproof structure, described sphygomanometers are provided with upper shell 2, lower house 5, inner housing component 4, valve component 7, inflatable component 10, pressurized balls sheath 9, air passage structure and aseismatic mechanism, described inner housing component is arranged at upper shell 2, between lower house 5, described inner housing component 4 and upper shell 2, aseismatic mechanism is provided with between lower house 5, described lower housing portion is provided with valve component, described valve component 7 is threaded connection inflatable component, sealing ring 8 is provided with between described valve component and inflatable component, described valve component 7 be provided with air passage structure between inner housing component 4 and be connected, described inner housing component comprises inner shell 19, cartridge assemblies 17, bellows member 18, dial plate 16, indicator parts 14 and watch crystal 15, described cartridge assemblies 17, bellows member 18, by movement post fastened by screw, is loaded in inner shell, and cartridge assemblies 17 sets gradually dial plate 16, indicator parts 14, watch crystal 15 above, in this technical scheme, fastening with cross recessed countersunk head tapping screw 11, then load dial plate successively, indicator parts, watch crystal, screws on holding screw.This technical scheme is provided with the ability that aseismatic mechanism can well reduce transmitting vibrations, guarantees that the accuracy measured is protected sphygomanometers core component simultaneously, strengthens its impact-resistant ability, extend its service life.
embodiment 2:
See Fig. 1-Fig. 4, as a modification of the present invention, described aseismatic mechanism comprises crash roll 3 and earthquake washer 1, described crash roll 1 is arranged between inner housing component 4 and lower house 5, described earthquake washer 1 is arranged between inner housing component 4 and upper shell 2, described crash roll 3 is enclosed within inner housing component 4, then puts into lower house 5; Described aseismatic mechanism also plays the effect of support, location inner housing component.
embodiment 3:
See Fig. 1-Fig. 4, Fig. 9, Fig. 9-1, Fig. 9-2, as a modification of the present invention, crash roll 3 comprises cylindrical body 32 and is arranged on the flange 33 above cylindrical body, described cylindrical body is provided with notch 34, wherein the lateral surface F2 of crash roll cylinder medial surface f2 and inner shell matches, the lateral surface f4 of crash roll cylinder and the medial surface F4 of lower house matches, the lower surface F1 of crash roll lug upper surface f1 and inner shell outer rim ladder matches, and the reinforcement upper surface F3 of crash roll flange lower surface f3 and lower house matches.Described earthquake washer 1 is provided with single topping, pastes on the groove surface of upper shell, and the another side f5 of earthquake washer and the upper surface F5 of inner shell outer rim ladder matches.Such structure makes inner housing component 4 be subject to the support of crash roll 3 and earthquake washer 1, not easily within upper shell 2, lower house 5, play occurs.
embodiment 4:
See Fig. 1-Fig. 4, Figure 10, Figure 11, as a modification of the present invention, described earthquake washer 1 is set to ring washer, its single topping, pastes on the groove surface of upper shell, and the one side of the non-rubberizing of earthquake washer matches with the upper surface of inner shell outer rim ladder.Such structure makes inner housing component be subject to the support of crash roll and earthquake washer, not easily within upper shell, lower house, play occurs.
embodiment 5:
See Fig. 1-Fig. 4, Fig. 6, Fig. 7, as a modification of the present invention, described valve component comprises valve part 22, valve body plug 23, air valve cap 26, spring 25 and jump ring 24, described valve part is made up of four-way valve body 27 and air valve neck 28, nuzzles in advance in four-way valve body during described air valve neck injection moulding.Described valve body plug 23 is arranged on valve part air inlet D place, plays check valve effect, and described air valve cap is connected with air valve neck by screw thread, is provided with spring 25 in described air valve neck 27, and described jump ring 24 is arranged in air valve cap 26, plays position-limiting action.
embodiment 6:
See Fig. 1-Fig. 4, Fig. 8, as a modification of the present invention, described inflatable component comprises pressurized balls 30, pressurized balls inner sleeve 29, plastics end valve 31, described pressurized balls is suitable for reading arranges pressurized balls inner sleeve 29, and described pressurized balls inner sleeve 29 is connected by screw thread with valve part, described plastics end valve 31 is arranged on pressurized balls afterbody, plays the effect of check valve.
embodiment 7:
See Fig. 1-Fig. 4, as a modification of the present invention, described air passage structure comprises trachea 6, and described trachea one end is connected with the bellows valve B of inner housing component, and the other end is connected with the valve body valve C of valve component.
embodiment 8:
See Fig. 1-Fig. 4, as a modification of the present invention, buckle structure A and crossed pan head tapping screw 12 is provided with between described upper watchcase 2, lower watchcase 5, described buckle structure A has three, lay respectively at 70 °, the inclined top in sphygomanometers top and the left and right sides, described crossed pan head tapping screw 12 is arranged on watchcase afterbody.
embodiment 9:
See Fig. 1-Fig. 4, as a modification of the present invention, described inflatable component is outside equipped with pressurized balls sheath 10, and described pressurized balls sheath 10 is enclosed within inflatable component; Described pressurized balls sheath 10 is enclosed within the afterbody step of upper shell 2, lower house 5, and the material of described crash roll 3 is set to silica gel or other damping materials, and the material of described earthquake washer 1 is set to foam or other damping materials.
installation method and operation principle: see Fig. 1-Figure 11,
The concrete number of assembling steps of this programme is as follows:
1. be assemblied on bellows member 18 by cartridge assemblies 17, fastening with movement post screw 21, then load in inner shell 19, fastening with cross recessed countersunk head tapping screw 11, then load dial plate 16 successively, indicator parts 14, watch crystal 15, screws on holding screw 20;
2. be enclosed within inner shell 19 by crash roll 3, crash roll notch 34 position is consistent with the notch E direction of inner shell;
3., by the cover bellows valve B of trachea 6 one end, the other end is enclosed within the valve body valve C of valve part 22;
4. smoothed out with the fingers by trachea 6 along sticking into inner shell notch E position, then the above-mentioned assembled assembled is entered lower house 5, the bottom of inner shell notch E position alignment lower house 5, is contained in the groove of lower house 5 correspondence by valve part;
5. the one side of earthquake washer 1 rubberizing is attached on upper shell 2, then the snapped-in position of upper shell 2 facing to lower house 5 is assembled, lock crossed pan head tapping screw 12;
6. load onto valve body plug 23 at the air inlet D place of valve part 22, spring 25 is put into air valve neck 27 hole, screw on air valve cap 26, fit on jump ring 24;
7. pressurized balls inner sleeve 29 and pressurized balls 30 are assembled, pressurized balls afterbody loads onto plastics end valve 31, forms inflatable component;
8. pressurized balls sheath 9 is enclosed within the afterbody step of upper shell 2, lower house 5, then inflatable component is screwed on valve component 7, finally load onto air valve cap 26.
As shown in Figure 3, Figure 4, when sphygomanometers back is subject to impacting, first impact the vibrational energy produced can conduct to crash roll 3 by lower house 5, and dissipate its most vibrational energy, then just can conduct to inner shell 19, then conduct to core component by inner shell 19.Inner housing component 4 is under the effect being subject to inertia in addition, can move with the direction contrary with freely falling body, clash into upper shell 2, and earthquake washer 1 just in time plays the effect of the vibrational energy that its shock that dissipates produces, by the isolation of such multilamellar, loss, only has few vibrational energy to be delivered to core component, well plays a protective role to core component;
Because shockproof cushion cover 1 is on interior watchcase, so work as top, left side, after three directions, right side are impacted, impact the vibrational energy produced and can first conduct to crash roll 3 by housing, dissipate its most vibrational energy, then just inner shell 19 can be conducted to, core component is conducted to again by inner shell 19, inner housing component 4 is when by inertia impact in addition, crash roll 3 inherently can well dissipate, and it clashes into the vibrational energy produced, and earthquake washer 1 also auxiliary dissipate vibrational energy, by the isolation of such multilamellar, loss, few vibrational energy is only had to be delivered to core component, with regard to good, core component is played a protective role like this, when sphygomanometers front is subject to impacting, first impulsive force can conduct to earthquake washer 1 by upper shell 2, and dissipate its most vibrational energy, then just can conduct to inner shell 19, then conduct to core component by inner shell 19.Inner housing component 4 is under the effect being subject to inertia in addition, can move with the direction contrary with freely falling body, clash into lower house 5, and crash roll just in time plays the effect of the vibrational energy that its shock that dissipates produces, by the isolation of such multilamellar, loss, only has few vibrational energy to be delivered to core component, plays a protective role like this with regard to good to core component;
When bottom receives impact, the pressurized balls of hand-held sphygomanometers itself just well serves antihunt action.
Learning that these sphygomanometers are by arranging aseismatic mechanism by analyzing above, well reducing the ability of structure transmitting vibrations, core component being protected, increases its impact-resistant ability, extend its service life.
At least one in technical characteristic described in embodiment 4,5,6,7,8,9 and embodiment 1,2,3 can also be combined to form new embodiment by the present invention.
It should be noted that above-described embodiment, be not used for limiting protection scope of the present invention, equivalents done on the basis of technique scheme or the alternative scope all falling into the claims in the present invention and protect.
Claims (10)
1. one kind is provided with the Handheld sphygmomanometer of shockproof structure, it is characterized in that, described sphygomanometers are provided with upper shell, lower house, inner housing component, valve component, inflatable component, pressurized balls sheath, air passage structure and aseismatic mechanism, described inner housing component is arranged at upper shell, between lower house, described inner housing component and upper shell, aseismatic mechanism is provided with between lower house, described lower housing portion is provided with valve component, described valve component is threaded connection inflatable component, sealing ring is provided with between described valve component and inflatable component, described valve component be provided with air passage structure between inner housing component and be connected.
2. the Handheld sphygmomanometer being provided with shockproof structure according to claim 1, it is characterized in that, described inner housing component comprises inner shell, cartridge assemblies, bellows member, dial plate, indicator parts and watch crystal, described cartridge assemblies, bellows member is by movement post fastened by screw, loaded in inner shell, above cartridge assemblies, set gradually dial plate, indicator parts, watch crystal.
3. the Handheld sphygmomanometer being provided with shockproof structure according to claim 2, it is characterized in that, described aseismatic mechanism comprises crash roll and earthquake washer, and described crash roll is arranged between inner housing component and lower house, and described earthquake washer is arranged between inner housing component and upper shell.
4. the Handheld sphygmomanometer being provided with shockproof structure according to claim 3, it is characterized in that, crash roll comprises cylindrical body and is arranged on the flange above cylindrical body, described cylindrical body is provided with notch, wherein the lateral surface of crash roll cylindrical body medial surface and inner shell matches, the lateral surface of crash roll cylindrical body and the medial surface of lower house match, the lower surface of described crash roll lug upper surface and inner shell outer rim ladder matches, and the reinforcement upper surface of described crash roll flange lower surface and lower house matches.
5. the Handheld sphygmomanometer being provided with shockproof structure according to claim 4, it is characterized in that, described earthquake washer is set to ring washer, its single topping, paste on the groove surface of upper shell, the one side of the non-rubberizing of earthquake washer matches with the upper surface of inner shell outer rim ladder.
6. the Handheld sphygmomanometer being provided with shockproof structure according to claim 3 or 4 or 5, it is characterized in that, described valve component comprises valve part, valve body plug, air valve cap, spring and jump ring, described valve part is made up of four-way valve body and air valve neck, and described valve body plug is arranged on valve part air inlet D place, and described air valve cap is connected with air valve neck by screw thread, be provided with spring in described air valve neck, described jump ring is arranged in air valve cap.
7. the Handheld sphygmomanometer being provided with shockproof structure according to claim 6, it is characterized in that, described inflatable component comprises pressurized balls, pressurized balls inner sleeve, plastics end valve, described pressurized balls is suitable for reading arranges pressurized balls inner sleeve, and described pressurized balls inner sleeve is connected by screw thread with valve part, and described plastics end valve is arranged on pressurized balls afterbody.
8. the Handheld sphygmomanometer being provided with shockproof structure according to claim 7, is characterized in that, described air passage structure comprises trachea, and described trachea one end is connected with the bellows valve B of inner housing component, and the other end is connected with the valve body valve C of valve component.
9. the Handheld sphygmomanometer being provided with shockproof structure according to claim 8, it is characterized in that, buckle structure A and crossed pan head tapping screw is provided with between described upper and lower watchcase, described buckle structure has three, lay respectively at 70 ° ± 15 °, the inclined top in sphygomanometers top and the left and right sides, described crossed pan head tapping screw is arranged on watchcase afterbody.
10. the Handheld sphygmomanometer being provided with shockproof structure according to claim 9, it is characterized in that, described inflatable component is outside equipped with pressurized balls sheath, described pressurized balls sheath is enclosed within inflatable component, the material of described crash roll is set to silica gel or other damping materials, and the material of described earthquake washer is set to foam or other damping materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510467105.2A CN105147271B (en) | 2015-08-03 | 2015-08-03 | A kind of rugged hand held sphygomanometers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510467105.2A CN105147271B (en) | 2015-08-03 | 2015-08-03 | A kind of rugged hand held sphygomanometers |
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| CN105147271A true CN105147271A (en) | 2015-12-16 |
| CN105147271B CN105147271B (en) | 2018-01-12 |
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| CN201510467105.2A Active CN105147271B (en) | 2015-08-03 | 2015-08-03 | A kind of rugged hand held sphygomanometers |
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| CN106256317A (en) * | 2016-09-08 | 2016-12-28 | 江苏鹿得医疗电子股份有限公司 | A kind of adjustable Handheld sphygmomanometer of zero-bit |
| WO2018045704A1 (en) * | 2016-09-08 | 2018-03-15 | 江苏鹿得医疗电子股份有限公司 | Zero position-adjustable hand-held sphygmomanometer |
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| CN205094423U (en) * | 2015-08-03 | 2016-03-23 | 江苏鹿得医疗电子股份有限公司 | Hand -held type sphygomanometers take precautions against earthquakes |
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| US20130331716A1 (en) * | 2000-09-25 | 2013-12-12 | Welch Allyn, Inc. | Blood pressure measuring apparatus |
| US20100106031A1 (en) * | 2007-01-24 | 2010-04-29 | Terumo Kabushiki Kaisha | Blood pressure measuring cuff, blood pressure measuring apparatus, blood pressure measuring method, cuff, and cuff manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106256317A (en) * | 2016-09-08 | 2016-12-28 | 江苏鹿得医疗电子股份有限公司 | A kind of adjustable Handheld sphygmomanometer of zero-bit |
| WO2018045704A1 (en) * | 2016-09-08 | 2018-03-15 | 江苏鹿得医疗电子股份有限公司 | Zero position-adjustable hand-held sphygmomanometer |
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| Publication number | Publication date |
|---|---|
| CN105147271B (en) | 2018-01-12 |
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