CN100422704C - Tympanic thermometer with ejection mechanism - Google Patents
Tympanic thermometer with ejection mechanism Download PDFInfo
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- CN100422704C CN100422704C CNB038257653A CN03825765A CN100422704C CN 100422704 C CN100422704 C CN 100422704C CN B038257653 A CNB038257653 A CN B038257653A CN 03825765 A CN03825765 A CN 03825765A CN 100422704 C CN100422704 C CN 100422704C
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- thermometer
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/021—Probe covers for thermometers, e.g. tympanic thermometers; Containers for probe covers; Disposable probes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/04—Casings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/04—Casings
- G01J5/049—Casings for tympanic thermometers
Abstract
The present invention provides a tympanic membrane clinical thermometer, which comprises a thermal induction probe, wherein the thermal induction probe is limited with a longitudinal shaft and an external surface which extends from the far end of the tympanic membrane clinical thermometer; an ejection device comprises at least one finger-shaped element which extends from the far end of the tympanic membrane clinical thermometer; the finger-shaped element is configured to move along the external surface of the thermal induction probe; a probe cover is arranged on the far end of the tympanic membrane clinical thermometer; the probe cover is limited with an internal surface which is configured to be engaged with the external surface of the thermal induction probe; the probe cover comprises at least one longitudinal rib which is convex along the radial direction of the internal surface; the longitudinal rib is limited with a near end surface, and at least one finger-shaped element is configured to be engaged with the near end surface; the probe cover can also comprise a plurality of longitudinal ribs.
Description
The cross reference of related application
Present patent application is by applying for reference to combining the PCT that is numbered PCT/US2003/000224, this application is submitted to United States Patent (USP) trademark office on January 6th, 2003, the express mail label is EV222416147US, and the full content of this application is incorporated herein by reference.
Technical field
The present invention relates generally to biomedical clinical thermometer field, more particularly, relates to tympanic thermometer, and it utilizes ejector and probe cover to improve thermometric precision and security.
Background technology
As is well known, clinical thermometer is general with helping prevent, diagnose and treat the disease of the mankind and other animal, the minor illness on the health etc.Doctor, nurse, father and mother, health care provider etc. utilize clinical thermometer to measure patient's body temperature, are used to detect fever, monitor patient's body temperature etc.For effective use, need the pin-point reading of patient temperature, and this reading should be from the inside or the DIE Temperature of patient body.For example, some clinical thermometer devices that are used to measure patient's body temperature are known, such as glass clinical thermometer, electronic thermometer, ear clinical thermometer (tympanic thermometer).
Yet the glass clinical thermometer is very slow on measuring, and it needs a few minutes to determine body temperature usually, and this can make the patient feel under the weather, and trouble that may be very when obtaining child or patient's body temperature.And the glass clinical thermometer is easy to generate error, in it once generally can only be accurate to.
Compare with the glass clinical thermometer, electronic thermometer makes Measuring Time minimum and improved measuring accuracy.Yet before obtaining accurate reading, electronic thermometer still needs about 30 (30) seconds time, and because this device must insert in patient's mouth, rectum or the armpit, therefore electronic thermometer also can make the patient feel under the weather on placing.
Medical institutions it has been generally acknowledged that tympanic thermometer has superiority on patient's the body temperature obtaining.Tympanic thermometer provides the reading of rapid and accurate DIE Temperature, and has overcome the shortcoming relevant with the clinical thermometer of other type.Tympanic thermometer is measured temperature by induction from the infrared radiation of the eardrum in the external auditory meatus (ear-drum).The temperature of eardrum has accurately embodied the DIE Temperature of health.And take temperature only needs several seconds by this way.
Known tympanic thermometer generally comprises probe, and this probe comprises the thermal sensor such as thermoelectric pile, thermoelectric (al) type thermal sensor etc.For example, referring to United States Patent (USP) 6,179,785,6,186,959 and 5,820,264.The thermal sensor of these types is concrete sensitive to the heat energy of ear-drum radiation.
In operation, be ready to tympanic thermometer so that use and probe cover is installed on the inductive probe that extends from the clinical thermometer distal portions.Probe cover cleans, so that hygienic barrier to be provided, and discardable after use.Operating personnel or other health care provider insert the part that probe is equipped with probe cover in patient's the external auditory meatus, with the infrared radiation of induction from eardrum.The infrared light that sends from eardrum is through the window of probe cover, and guides to inductive probe by waveguide.Described window generally is the transparent part of described probe cover, and has the wavelength in the far infrared scope.Probe cover should make probe insert duct easily and cosily.
Operating personnel press the button or similarly install, so that clinical thermometer carries out temperature survey.Microelectronic component is provided by the electric signal that is provided by described thermal sensor, to implement temperature survey and determine the temperature of ear-drum in several seconds or shorter time.To pop one's head in and in duct, take off, and take off probe cover and it is thrown away.
In order to obtain to use the tympanic thermometer exact temperature measurement result of reading subsequently, need and suitably to take off from probe with the probe cover of crossing.For patient's safety, also need with suitably taking off, so that the transmission minimum with the probe cover of crossing.What existing tympanic thermometer used is this mechanism or probe cover: can be effectively and the mode that is easy to accomplish they are taken off.Disadvantageously, the tympanic thermometer designs of these types may influence the precision and the safety factor of temperature reading.
For example, may comprise undesired material with the probe cover of crossing, for example, from the aqueous vapor in patient's ear, earwax etc., they can pollute probe cover.Attempt is taken off diseases induced or other infectious disease of meeting with probe cover, perhaps causes the probe cover breakage, makes the part of probe cover also be retained on the probe.
Other known tympanic thermometer equipment comprises ejector, and they can make probe cover eject after use.For example, referring to United States Patent (USP) 5,411,032.Yet similarly device engages with the peripheral flange of the substrate of close probe cover.One of shortcoming of these designs is that the flange configuration, aqueous vapor of probe cover forms and may cause ejector to slide on flange, and perhaps hits lip because probe cover is with being used for a little less than the power of impact basement flange compares relative thin, thereby makes the body crushing of probe cover.Thereby probe cover remains fixed on the probe, and is perhaps damaged, makes the part of probe cover also be retained on the probe.
If also be retained on the probe with probe cover or its part crossed, this probe is sense infrared emissions accurately.And dangerous is that the risk that disease infects another patient from a patient has also increased.
Therefore, what want is, overcome the defective and the shortcoming of prior art with a kind of tympanic thermometer, and (not contacting hand) equipment is ejected in this tympanic thermometer utilization and probe cover improves temperature measurement accuracy and security, so that transmission is minimum.What want is that this tympanic thermometer comprises the interior composition surface of probe cover of tympanic thermometer, to realize principle of the present invention.What want very much is that probe cover comprises the vertical rib with composition surface, so that intensity and stable to be provided to probe cover.Consideration tympanic thermometer and building block thereof can be easily and are made effectively and assemble.
Summary of the invention
Therefore, provide a kind of tympanic thermometer, it utilizes ejector and probe cover to improve thermometric precision and security, so that the disease propagation minimum, thereby overcomes the defective and the shortcoming of prior art.What want is that this tympanic thermometer comprises the interior composition surface of probe cover of tympanic thermometer, to realize principle of the present invention.Described tympanic thermometer can be made easily and effectively.Thereby the invention solves relevant defective and shortcoming that prior art experiences.
By the bump interface is set between ejector and probe cover, the composition surface of tympanic thermometer disclosed herein can promote accurate and safe temperature survey.The bump interface provides some advantages, comprise with after make probe cover from thermoinduction probe ejection.This can finish by ejector button or the similar device of depressing tympanic thermometer.
Another advantage of bump interface has provided indication: taken off with the probe cover of mistake and new, unworn probe cover is on the suitable position and be ready for temperature survey.This can finish by trigger circuit, and make the existence of its inductive probe lid and relatively indicate operating personnel: tympanic thermometer has been ready to use.Therefore, this trigger circuit can be indicated: the also unripe use of tympanic thermometer, and till new, unworn probe cover are installed in the thermoinduction probe and go up.What can expect is that according to principle of the present invention, probe cover can specifically be configured to use with tympanic thermometer.
In a specific embodiment according to principle of the present invention, a kind of tympanic thermometer is provided, it comprises thermoinduction probe, the outside surface that this probe is limited with the longitudinal axis and extends from tympanic thermometer.Ejector, it further comprises button, spring and from least one finger of the remote extension of tympanic thermometer, this finger is configured to the distal movement along the outside surface of described probe termination towards described probe.Probe cover, it is installed in the far-end of tympanic thermometer.Described probe cover after the installation is limited with and is configured to the inside surface that combines with the outside surface of described probe termination, and the described lid after installing blocks the outside surface of described at least one finger and described probe termination.Described probe cover is included at least one proximal end face that protrude at its inside surface place.Wherein, described at least one finger can move, eject described probe cover with far-end towards described probe termination, described at least one finger moves along the outside surface of described probe termination and the inside surface of described probe cover, and described at least one finger contacts with described at least one proximal end face at the inside surface place of described probe cover, discharged from described probe until described probe cover.
The outside surface of probe is limited with groove.Groove is with respect to longitudinal axis transversal orientation, and it is configured to hold the part of probe cover, so that releasably probe cover and probe are kept together.The described part of probe cover comprises the outstanding of a plurality of inside surface projectioies from probe cover, and described part is spaced apart contiguously with the far-end of probe cover.Transverse groove can circumferentially be provided with around the outside surface of probe, and it is substantially normal to the longitudinal axis of this probe.
Ejector can comprise a plurality of finger.Described at least one finger can comprise the taper finger tip, and it is limited with distal strike face.Described at least one finger can move between retracted position and extended position.Described at least one finger can be biased to extended position.Described at least one finger can also releasable mode be fixed on the retracted position.In addition, described at least one finger is releasably fixed by lock pin, and this lock pin comprises a release-push, described at least one finger can be discharged from retracted position.
Described at least one vertical rib can have the athwartship plane of the orientation that is arranged essentially parallel to the probe longitudinal axis.
In another embodiment, ejector comprises the finger of equi-spaced apart.Described finger has the finger tip of convergent, and it is limited with distal strike face, and probe cover comprises the vertical rib of equi-spaced apart.Described vertical rib has proximal strike face, and wherein distal strike face and proximal strike face engage, so that finger moves between retracted position and extended position.
Description of drawings
Purpose of the present invention and feature are novel, and they will at length be set forth in claims.With reference to following explanation also in conjunction with the accompanying drawings, can understand more purpose of structure of the present invention and mode of operation and the present invention and advantage best, wherein:
Fig. 1 is the skeleton view of the tympanic thermometer that is installed together according to the principle of the invention and fixator;
Fig. 2 is the skeleton view of tympanic thermometer shown in Figure 1;
Fig. 3 is the side sectional view of part of the far-end of tympanic thermometer shown in Figure 2;
Fig. 4 is the skeleton view that the details of indicating area shown in Figure 3 is amplified;
Fig. 5 is the skeleton view that the details of indicating area shown in Figure 3 is amplified;
Fig. 6 is that probe cover is installed in the cut-open view with perspective fashion on the tympanic thermometer shown in Figure 2;
Fig. 7 is the skeleton view that the details of indicating area shown in Figure 6 is amplified;
Fig. 8 is the skeleton view that the far-end of tympanic thermometer shown in Figure 2 amplifies, and for ejector is shown, has taken off some parts;
Fig. 9 is the side sectional view of far-end shown in Figure 3, shows the ejecting mechanism of probe cover; With
Figure 10 is the skeleton view that far-end shown in Figure 8 amplifies, and shows the ejecting mechanism of probe cover.
Embodiment
The example embodiment of tympanic thermometer and using method will be discussed according to the clinical thermometer of take temperature, more specifically will discuss according to tympanic thermometer, it has utilized ejector and probe cover to improve thermometric precision and security, so that the propagation of disease, bacterium etc. is minimum.What can expect is, the present invention has found the application of minor illness of being used to prevent, diagnose and treat on disease of patient, the health etc.Be also contemplated that the principle that relates to disclosed tympanic thermometer comprises: by ejector will with the probe cover of crossing suitably take off and indicate operating personnel new, whether unworn probe be installed on the tympanic thermometer.
In the following discussion, term " closely " refers to the part of structure near operating personnel, and term " far " refers to the part away from operating personnel.As used herein, term " patient " refers to human patient or other animal of the body temperature with measurement.According to the present invention, term " operating personnel " refers to and utilizes tympanic thermometer to measure the doctor of patient's body temperature, nurse, father and mother or other health care provider, and can comprise the support staff.
Explain now with reference to example embodiment of the present invention illustrated in the accompanying drawings.Forward accompanying drawing now to, wherein identical assembly is all represented with identical Reference numeral in all views, at first forwards Fig. 1 and Fig. 2 to, and they all show the tympanic thermometer 20 according to principle of the present invention.
Tympanic thermometer 20 comprises cylindrical shape thermoinduction probe 22 (Fig. 3).Described thermoinduction probe 22 extends and is limited with longitudinal axis x from the far-ends 24 of tympanic thermometer 20.Ejector (Fig. 3) comprises the finger 28 of extending from far-end 24. Finger 26 and 28 is configured to move along the outside surface 30 of thermoinduction probe 22.For example, thermoinduction probe 22 can have the structure of various geometric cross-sections, such as rectangle, ellipse etc.
Just as known for those skilled in the art, consider that tympanic thermometer 20 comprises necessary electronic device and/or processing components, so that carry out temperature survey by eardrum.What also expect is that tympanic thermometer 20 can comprise waveguide, so that the heat energy of induction eardrum.Consider use, tympanic thermometer 20 releasably is installed in the fixator 40, so that store.Tympanic thermometer 20 and fixator 40 can be made by being suitable for temperature survey and relevant semi-rigid, the rigidity plastics that uses and/or metal material.What can expect is, fixator 40 can comprise the necessary electronic device, so that provide the energy to tympanic thermometer 20, described electron device comprises battery that for example has chargeable ability etc.
On outside surface 30, thermoinduction probe 22 is limited with circumferential slot 42.Groove 42 is with respect to longitudinal axis x transversal orientation, so that it is orthogonal to the longitudinal axis substantially.As the following to be discussed, groove 42 recessed exterior surface 30 so that hold the part of probe cover 32, make probe cover 32 and thermoinduction probe 22 keep together.Groove 42 has outer end 44, and it helps to hold and discharges probe cover 32.According to thermometric application, outer end 44 can have the curvature of various degree.What can expect is, groove 42 can be only extends around the pop one's head in part of 22 circumference of thermoinduction.Be also contemplated that groove 42 can be directed on each angular direction with respect to longitudinal axis x.
With reference to Fig. 3-Fig. 5 and Fig. 8, ejector 26 extends from the far-end 24 of tympanic thermometer 20, and it comprises ejector button 46, compression spring 48 and ejects sleeve 50.Eject sleeve 50 and be installed on the far-end 24,, eject sleeve and be configured to extend around the outside surface 30 of thermoinduction probe 22 so that finger 28 is extended therefrom.Finger 28 and ejection sleeve 50 are aimed at longitudinal axis x between retracted position (Fig. 8) and extended position (Figure 10) in a movable manner.
When probe cover 32 was installed together with thermoinduction probe 22, proximal strike face 38 engaged with distal strike face 54, caused finger 28 to be slided along thermoinduction probe 22, shown in the arrow A among Fig. 9.Releasably engages on retracted position when pinning when ejecting sleeve 50 and the lock pin of ejector 26, probe cover 32 and thermoinduction are popped one's head in and 22 suitably are fixed together.On retracted position, eject sleeve 50 and contact with the switch or the similar device of tympanic thermometer 20.Described switch triggering is also notified tympanic thermometer 20: unworn probe cover is in retracted position and is ready to temperature measurement application and uses.Tympanic thermometer 20 comprises necessary electronic device, circuit and/or processing components, with indication finger 28, eject using and the position of unworn state of sleeve 50 and probe cover 32.Consider that probe cover 32 specifically is configured to join with ejector 26 and is incorporated in the retracted position respective operations.
After using tympanic thermometer 20 to finish temperature measurement application, operation or trigger ejector button 46 discharges from retracted position so that eject sleeve 50.Compression spring 48 has promoted finger 28 and has ejected the motion of sleeve 50 to extended position by elastic force, shown in the arrow B among Fig. 9.Provide enough power with the elastic force operation ejector button 46 of compression spring 48, so that distal strike face 54 causes probe cover 32 to eject from thermoinduction probe 22 with engaging of proximal strike face 38.Finger 28 to the motion of extended position makes the switch of tympanic thermometer 20 invalid.Described switch notice tympanic thermometer: probe cover 32 is not in retracted position and probe cover 32 is not installed together with thermoinduction probe 22.Consider that tympanic thermometer 20 comprises display, it comprises illuminated icons, LED etc., is used for the indication to operating personnel, for example, and the state of probe cover, retracted position, extended position etc.What can expect is that on extended position, the display of tympanic thermometer 20 is indicated to operating personnel: need new probe cover 32 and thermoinduction probe 22 to install.
With reference to Fig. 6 and Fig. 7, be similar to disclosed probe cover in the also common PCT application that entrust, that be numbered PCT/US2003/000224 of issued for approval simultaneously, this application is submitted to United States Patent (USP) trademark office on January 6th, 2003, the express mail label is EV222416147US, probe cover 32 has far-end 54, its basically tunicle 56 center on.56 pairs of infrared radiation substantial transparent of film also are configured so that the infrared radiation of induction heat inductive probe 22.Advantageously, film 56 pairs of earwax, aqueous vapor and bacteriums are impermeable, spread disease preventing.
The ingredient of probe cover is discardable, and it is made by the material of eardrum take temperature with the tympanic thermometer measuring equipment by being suitable for.According to concrete temperature measurement application and/or operating personnel's preference, these materials can comprise that for example, plastic material is such as polypropylene, tygon etc.Probe cover has window portion or film, and it can be by making to the infrared radiation substantially transparent and to impermeable materials such as aqueous vapor, earwax, bacteriums.Described film has the thickness in 0.0005 to 0.001 inch scope, but has also considered the thickness in other scope.Described film can be semi-rigid or flexible, and can form with the remaining part of single form and probe cover, perhaps by whole connections such as for example hot welds.Yet, person of skill in the art will appreciate that according to the present invention, other material and manufacture method that is suitable for assembling and making also is fit to.
The main body 58 of probe cover 32 is limited with some vertical ribs 36 that protrude from inner peripheral surface 36, and they and far-end 54 are spaced apart contiguously.Vertical rib 36 has increased the intensity of the wall 59 of probe cover 32 along inner peripheral surface 34 extrude depth a and development length b.The intensity that increases wall 59 helps to make probe cover 34 to eject from thermoinduction probe 22.Finger 28 bump probe covers 32 are so that eject from thermoinduction probe 54.For example, when finger 28 bump probe covers 32, vertical rib 36 can bear the force of compression that causes in the main body 58.This structure has prevented the inefficacy of undesired wall 59, helps to produce the more probe cover 32 of thin-walled.Vertical rib 36 is limited with square section 60, and it is configured to engage with thermoinduction probe 22.Thickness a, length b and square section 60 help probe cover 32 and thermoinduction probe 22 to keep together.Vertical rib 36 also provides the gap (Fig. 3) of air gap 55 between thermoinduction probe 22 and eardrum.The heating of the thermoinduction probe 22 that this structure makes is undesired, may cause coarse temperature reading becomes minimum.Consideration can be used one or more vertical rib, also considers to use other similarly to protrude finger, projection or ratchet, combines, contacts with thermoinduction probe 22 to promote probe cover 32, promotes probe cover to take off and/or eject from the thermoinduction probe.
With reference to Fig. 8-10, to make with the similar mode of top description, to prepare probe cover so that store, transport and use probe cover 32.Operating personnel operate and take off tympanic thermometer 20 from fixator 40.The thermoinduction probe 22 of tympanic thermometer 20 is inserted in the probe cover 32, they are installed together, so that operating personnel measure patient's temperature.
The inside surface 34 of probe cover 32 engages with the outside surface 30 of thermoinduction probe 34, so that hold them in together.Interior outstanding 62 slide on outer end 44, and it is placed with and is arranged in the groove 42.This being configured between thermoinduction probe 22 and the probe cover 32 provides enough maintenances, makes probe cover 32 and thermoinduction probe 22 and probe cover 32 keep together during the temperature of measuring the patient.Therefore, in must overcoming outstanding 62 with the confining force of thermoinduction probe 22, just can make probe cover 32 from thermoinduction probe 22, suitably take off and eject.Pending trial and the PCT that entrusts, be numbered PCT/US2003/000224 jointly apply for disclosed probe cover at the same time to be similar to those, this application is submitted to United States Patent (USP) trademark office on January 6th, 2003, the express mail label is EV222416147US, considers that probe cover 32 can comprise other 22 structures that are installed together that probe cover 32 and thermoinduction are popped one's head in.
When probe cover 32 is installed on the thermoinduction probe 22, the proximal strike face 38 of vertical rib 36 engages with the distal strike face 54 of finger 28, distal strike face is limited with the impact bonded zone, so that be installed in probe cover 32 on the thermoinduction probe 22 and from the ejection of thermoinduction probe.This structure and using method have improved thermometric precision and provide makes disease, bacterium etc. propagate minimum security.
On the direction shown in the arrow A among Fig. 9, when proximal strike face 38 engages with distal strike face 54, make finger 28 and ejection sleeve 50 slide along the outside surface of thermoinduction probe 22.Eject sleeve 50 and engage, releasably finger 28 is locked in (Fig. 8) on the retracted position with the lock pin of ejector 26.During probe cover 32 and thermoinduction probe 22 were installed together, compression spring 48 provided sense of touch flexible, ergonomics to ejector 26.Ejecting sleeve 50 contacts with the switch of tympanic thermometer 20.Described switch has triggered tympanic thermometer 20 and notifying operation personnel by display: unworn probe cover 32 is in retracted position and has been ready for temperature survey.
In operation, in order to measure the body temperature of patient's (not shown), operating personnel's (not shown) pulls back patient's ear lightly, so that duct becomes straight, makes thermoinduction probe 22 can see eardrum, so that read body temperature by infrared radiation.Operating personnel operate tympanic thermometer 20, and making that probe cover 32 is installed in that part on the thermoinduction probe 22 can be easily and cosily insert in patient's the external auditory meatus.Thermoinduction probe 22 suitably is placed to the infrared radiation of the reflection patient temperature that induction sends from eardrum.The infrared light that sends from eardrum passes film 56 and is directed to thermoinduction probe 22.
Operating personnel press 46 1 sections time enough of button (be generally 1-2 second) of tympanic thermometer 20, so that thermoinduction probe 22 accurately induces the infrared radiation of eardrum.The microelectronic component of tympanic thermometer 20 is handled by thermoinduction probe 22 electric signal that provide, to determine patient's body temperature.Microelectronic component makes tympanic thermometer 20 to implement measurement of bldy temperature in several seconds or shorter time.Probe cover 32 is taken off from thermoinduction probe 22, and probe cover is thrown away.
After reaching satisfied temperature survey, operating personnel press ejector button 46, shown in the arrow C among Figure 10, discharge from retracted position so that will eject sleeve 50 and finger 28.Compression spring 48 has promoted to eject the motion to extended position of sleeve 50 and finger 28, shown in the arrow B among Fig. 9.Distal strike face 54 engages with proximal strike face 38, drives probe cover 32 along distal direction.In the impact of distal strike face 54 is enough to overcome outstanding 62 and the outer end 44 of groove 42 between confining force.Thereby probe cover 32 discharges from thermoinduction probe 22 and ejects, so that suitably it is taken off.According to concrete temperature measurement application or operating personnel's concrete preference, consider that the impact of the distal strike face 54 that ejector 26 provides is enough to overcome any maintenance structure of probe cover 32.
The motion that ejection sleeve 50 leaves retracted position makes the switch of tympanic thermometer 20 invalid.Described invalid switch makes tympanic thermometer 20 by display notifying operation personnel: eject sleeve 50 and be not on the retracted position and probe cover 32 unripe being used, till unworn probe cover 32 and thermoinduction probe 22 are installed together.
Can reuse tympanic thermometer 20, and another probe cover 32 can be installed on the thermoinduction probe 22.What can expect is that for example, the using method of other tympanic thermometer 20 is such as alternately placement, orientation etc.Consider that probe cover 32 is specifically designed to tympanic thermometer 20 uses
Be understandable that, can carry out various changes the embodiment disclosed herein.Therefore, above-mentioned explanation should not be regarded as limiting, and it is the example of various embodiment only.Those skilled in the art can expect other change in the scope of claims and main idea.
Claims (12)
1. tympanic thermometer, it comprises:
Thermoinduction probe, it is limited with the longitudinal axis and from the outside surface of tympanic thermometer remote extension;
Ejector, it further comprises button, spring and from least one finger of tympanic thermometer remote extension, this finger is configured to the distal movement along the outside surface of probe termination towards described probe; With
Probe cover, it is installed in the far-end of tympanic thermometer, described probe cover after the installation is limited with and is configured to the inside surface that engages with the outside surface of described probe termination, and the described lid after installing blocks the outside surface of described at least one ejection finger and described probe termination, described probe cover is included at least one proximal end face that protrude at its inside surface place
Wherein, described at least one finger can move, eject described probe cover with far-end towards described probe termination, described at least one finger moves along the outside surface of described probe termination and the inside surface of described probe cover, and described at least one finger contacts with described at least one proximal end face at the inside surface place of described probe cover, discharged from described probe until described probe cover.
2. tympanic thermometer as claimed in claim 1, wherein, the outside surface of described probe is limited with groove, and this groove is configured to hold the part of described probe cover with respect to longitudinal axis transversal orientation, is used for releasably making probe cover and probe to keep together.
3. tympanic thermometer as claimed in claim 2, wherein, the part of described probe cover comprises the outstanding of a plurality of inside surface projectioies from described probe cover, described a plurality of outstanding far-ends with probe cover are spaced apart contiguously.
4. tympanic thermometer as claimed in claim 1, wherein, described ejector comprises a plurality of finger.
5. tympanic thermometer as claimed in claim 1, wherein, described at least one finger comprises the finger tip of convergent, described finger tip is limited with distal strike face.
6. tympanic thermometer as claimed in claim 1, wherein, described at least one finger can move between retracted position and extended position.
7. tympanic thermometer as claimed in claim 6, wherein, described at least one finger is biased to extended position.
8. tympanic thermometer as claimed in claim 1, wherein, described at least one finger can releasably be fixed on the retracted position.
9. tympanic thermometer as claimed in claim 8, wherein, described at least one finger can releasably be fixed by a lock pin, and this lock pin comprises a release-push that can form joint, so that at least one finger is discharged from retracted position.
10. tympanic thermometer as claimed in claim 1, wherein, described probe cover comprises a plurality of ribs, described rib provides described proximal end face.
11. tympanic thermometer as claimed in claim 10, wherein, described at least one rib has the athwartship plane with respect to the substantially parallel orientation of the longitudinal axis of described probe.
12. tympanic thermometer as claimed in claim 1, wherein, described ejector comprises the finger of some equi-spaced apart, each finger all has the finger tip of convergent, finger tip is limited with distal strike face, and described probe cover comprises the rib of some equi-spaced apart, and each rib all has proximal strike face, wherein distal strike face and proximal strike face engage, so that described finger moves between retracted position and extended position.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2003/000256 WO2004063687A1 (en) | 2003-01-06 | 2003-01-06 | Tympanic thermometer with ejection mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1720430A CN1720430A (en) | 2006-01-11 |
| CN100422704C true CN100422704C (en) | 2008-10-01 |
Family
ID=32710262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038257653A Expired - Fee Related CN100422704C (en) | 2003-01-06 | 2003-01-06 | Tympanic thermometer with ejection mechanism |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1581786A1 (en) |
| JP (1) | JP2006512966A (en) |
| CN (1) | CN100422704C (en) |
| AU (1) | AU2003303687B2 (en) |
| BR (1) | BR0317768A (en) |
| CA (1) | CA2512082A1 (en) |
| MX (1) | MXPA05007261A (en) |
| NO (1) | NO20053735L (en) |
| WO (1) | WO2004063687A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI750842B (en) * | 2019-10-14 | 2021-12-21 | 百略醫學科技股份有限公司 | Ear thermometer with a probe cover ejection device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101140189B (en) * | 2006-09-08 | 2010-12-08 | 热映光电股份有限公司 | Ear mild gun capable of simply removing earcap |
| US8657491B2 (en) | 2007-11-09 | 2014-02-25 | Actherm Inc. | Detachable probe cover for ear thermometer and manufacturing method thereof |
| TW200921063A (en) * | 2007-11-09 | 2009-05-16 | Actherm Inc | Probe cover for ear thermometer and manufacturing method thereof |
| TWI340822B (en) * | 2007-11-15 | 2011-04-21 | Actherm Inc | Probe cover for an ear thermometer, manufacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3738173A (en) * | 1971-11-22 | 1973-06-12 | Ivac Corp | Temperature sensing probe and disposable probe cover |
| US4588306A (en) * | 1985-03-22 | 1986-05-13 | Chesebrough-Pond's Inc. | Electronic thermometer probe assembly |
| US4662360A (en) * | 1984-10-23 | 1987-05-05 | Intelligent Medical Systems, Inc. | Disposable speculum |
| US6186959B1 (en) * | 1997-06-03 | 2001-02-13 | Trutek, Inc. | Tympanic thermometer with modular sensing probe |
-
2003
- 2003-01-06 JP JP2004566384A patent/JP2006512966A/en active Pending
- 2003-01-06 BR BR0317768-8A patent/BR0317768A/en not_active IP Right Cessation
- 2003-01-06 WO PCT/US2003/000256 patent/WO2004063687A1/en active Application Filing
- 2003-01-06 AU AU2003303687A patent/AU2003303687B2/en not_active Expired - Fee Related
- 2003-01-06 EP EP03815160A patent/EP1581786A1/en not_active Withdrawn
- 2003-01-06 CA CA002512082A patent/CA2512082A1/en not_active Abandoned
- 2003-01-06 CN CNB038257653A patent/CN100422704C/en not_active Expired - Fee Related
- 2003-01-06 MX MXPA05007261A patent/MXPA05007261A/en active IP Right Grant
-
2005
- 2005-08-03 NO NO20053735A patent/NO20053735L/en not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3738173A (en) * | 1971-11-22 | 1973-06-12 | Ivac Corp | Temperature sensing probe and disposable probe cover |
| US4662360A (en) * | 1984-10-23 | 1987-05-05 | Intelligent Medical Systems, Inc. | Disposable speculum |
| US4588306A (en) * | 1985-03-22 | 1986-05-13 | Chesebrough-Pond's Inc. | Electronic thermometer probe assembly |
| US6186959B1 (en) * | 1997-06-03 | 2001-02-13 | Trutek, Inc. | Tympanic thermometer with modular sensing probe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI750842B (en) * | 2019-10-14 | 2021-12-21 | 百略醫學科技股份有限公司 | Ear thermometer with a probe cover ejection device |
Also Published As
| Publication number | Publication date |
|---|---|
| NO20053735L (en) | 2005-10-04 |
| CA2512082A1 (en) | 2004-07-29 |
| WO2004063687A1 (en) | 2004-07-29 |
| AU2003303687A1 (en) | 2004-08-10 |
| NO20053735D0 (en) | 2005-08-03 |
| EP1581786A1 (en) | 2005-10-05 |
| MXPA05007261A (en) | 2005-09-08 |
| BR0317768A (en) | 2005-11-22 |
| CN1720430A (en) | 2006-01-11 |
| AU2003303687B2 (en) | 2009-02-26 |
| JP2006512966A (en) | 2006-04-20 |
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