CN1060860C

CN1060860C - Sanitary protection device for electronic thermometer

Info

Publication number: CN1060860C
Application number: CN 96106382
Authority: CN
Inventors: 张振昌
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-06-10
Filing date: 1996-06-10
Publication date: 2001-01-17
Anticipated expiration: 2016-06-10
Also published as: CN1167911A

Abstract

The present invention discloses a sanitary protection device for electronic thermometers, which comprises a discardable wrapping soft sheet 2 and a truncated casing cover 3 in the shape of a conical ring, wherein the discardable wrapping soft sheet 2 is wrapped around a front end probe head 15 of the main body outer casing of an infrared thermometer; the truncated casing cover 3 is used for preventing dust or filth from entering the probe head 15; a probe 11 of a radiation wave guide conduit is arranged in the probe head 15, and a protective sheet 41 is wrapped around the probe 11. Due to the design of a fastening ring 43 at the periphery of the probe 11, the probe 11 is fixedly hold on the inner wall 154 of the main body probe head 15 so as to protect an air gap 18; thus, the influence of heat conduction on the radiation wave guide conduit is reduced to the minimum extent, and the precision of temperature measurement is ensured.

Description

Sanitary protection device for electronic thermometer

The present invention relates to the protective device structure of medical electric thermometer guard unit, particularly a kind of electronic thermometer probe.

As known to the public; be used for the disposable probe protection upper shield on the medical infra-red thermometer at present; using this upper shield will cause waste on the fund; and increase discarded object, facilitate pollution environment; with regard to general family, electronic thermometer is recursively to use in identical people or identical family.If after temperature survey, must abandon whole upper shield, and then change new upper shield, as make another time surveying work at every turn, will be to increase expense expenditure in individual or the family, also cause the problem on the discarded object environmental protection treatment.

Moreover; each protection upper shield on will popping one's head in; when thermometer takes off; and then put again before guarantor's upper shield; radiation guiding tube in this probe just is exposed in the general air, and dust or dirt will pollute the radiation guiding tube, can influence the degree of accuracy of thermometer measure even; in the composite set of general electronic thermometer, we have found to have this defective.

The purpose of this invention is to provide a kind of and need to change the coating film that abandons on the thermometer shell front-end probe; and the protection upper shield is reusable to save the cost of use of whole thermometer; reducing its discarded object handles the pollution of environment; guarantee the measuring accuracy of thermometer, electronic thermometer hygienic protection safe in utilization.

For reaching above-mentioned purpose, the present invention by the following technical solutions:

The present invention includes the coating film, upper shield, probe protection device and probe projecting block, upper shield is coated with the coating film it is clamped on the electronics intensitometer body front end probe, prevent that dust and other dirt from entering in the probe, it is mutually meshing and fix that the rear of upper shield is provided with the protrusion piece of groove and probe, probe protection device includes the protection film and is wrapped in and prevents on the probe that dirt from entering in the probe, the protection film can use for a long time and need not change, and the coating film on the probe uses the back replaceable at every turn, reach the purpose of health, feature of the present invention is, upper shield is the cone of a butt, the centre is the taper position, front end is an opening, and opening exposes the front end position that coats film after cover is solid; Projecting block be shaped as triangle or circle, fix with convenient; In order to make the probe protection device energy in conjunction with the conduction that firmly and not influences heat; it is provided with set collar and bunching ring; set collar will protect the film rear end to be fixed in the annular recess of probe back end outer surface; bunching ring will protect the film front end to tighten on the front end of probe (11), and bunching ring is that ring-type point contacts with the inwall of probe and probe.

Coating software of the present invention and protection film are deflection and material that can allow the ultraviolet radiation ripple pass through.

For further understanding the present invention's outstanding substantive distinguishing features and obvious improvement and effect, the specific embodiment of the present invention is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is the present invention's organigram.

Fig. 2 is the present invention's tectonic association synoptic diagram.

Fig. 3 is the present invention's diagrammatic cross-section.

Fig. 4 is the present invention's part cut-away view.

See also Fig. 1-4, as shown in the figure; The probe (11) of electronic thermometer main body (1) in inside wrapping the shell front-end probe (15) of probe; disposable coating film (2) is wrapped in shell front-end probe (15) and is protecting probe (11), upper shield (3) to be coated with disposable type coating film (2) and will to coat film (2) and is clamped on main body (1) front-end probe (15); constitute the protective device (4) on the probe (11), prevent that any dirt or dust from entering the probe of main body (1) (11) the inside.

This probe includes the generouser tapered probe (11) in the tiny rear portion of front end, is positioned at the inboard at the front-end probe position (15) of main body (1).A radiant rays guiding tube (12) is positioned at probe (11) lining.Used the measurement human body temperature in order to transmit the infrared radiation of launching from human body or duct.Transmit and next heat wave signal from radiated wave guiding tube (12) in order to detecting in the rear of probe (11) sensor (13) position.Therefore heat wave converts electric signal to, and does signal output, and printed circuit board (PCB) (14) then is fixed in the backbone (141) of thermometer main body (1), and sensor (13) is transmitted in the last signal processing circuit of printed circuit board (PCB) (14) with electric signal.Handle through digitized signal, the temperature measuring data value is presented at liquid crystal display window (17) accurately.Power supply touch switch (16) then is used as the action power beginning of temperature survey; in shell front-end probe (15) lining one ring-type clearance (18) is arranged; between the probe (11) that the protection film (41) of the inwall (154) of shell probe (15) and protective device (4) wraps up; clearly be shown among Fig. 3 in this; its position cooperates with probe (11) in the pointed shape of front-end probe (15) awl forward of main body (1), makes the surveying work that is easy to carry out temperature.

Disposable hygienic protection must be a deflection with coating film (2); and can allow heat wave pass through; as PEF etc.; as long as can allow heat wave pass all can use; this coating film (2) must have enough big area; be used for wrapping up the probe (15) of main body (1) front end; and behind parcel, enough clouts are arranged; allow upper shield (3) coating probe (15) tight restraint together of film (2) with main body (1); coat film (2) during use and be wrapped in main body (1) probe (15); be inserted in tight bundle with upper shield (3) toward main body (1) probe (15) again; and expose and coat film (2) parcel position, end (21) before; and this upper shield (3) is easy to and main body (1) and probe (15) are mutually meshing or separate; this tight bundle includes with upper shield (3): the taper position (31) of a butt; can pop one's head in shell (15) afterwards the generouser position of portion (152) meshing mutually; upper shield (3) front end is the front end of opening (32) in taper position (31), and holds (150) before diminishing shell probe.Keep and coat film (2) extending part (21).When making the temperature of measuring human body or duct; the scope that is contacted is limited to extending part (21) and locates; and have a groove (33) can be used for to protrude piece (153) meshing mutually at the rear of taper position (31); usually; protrude piece (153) and can be triangle or garden shape; must be able to cross and make upper shield (3) mutually meshing with shell probe (15); and be easy to separate the usage operation that can repeat; disposable coating film (2) then wraps up the front end of shell probe (15); seal the front end inlet place (151) of probe (15); this coats film (2) and is wrapped in shell probe (15); can prevent that the dirt on dust or the human antrum auris from entering the inside of main body cover probe (15); behind each this thermometer measure of use; need only change this and coat film (2); unclean coating film (2) is abandoned; replace with new clean coating film (2); protective device (4) lining in probe (11); include the protection film (41) of a protection deflection; be to use the material that can allow heat wave pass through made; similar PEF etc.; but so long as the other materials that heat wave can pass through also can use; this protection film (41) must have enough areas to be used for wrapping up the radiated wave guiding mouth of pipe (12) of probe (11) lining; and there be can be fixed ring (42) and probe (11) of clout will protect film (41) both to be fixed on the place of annular recess (111); other have a bunching ring (43) around protected film (41) on probe (11), and remain fixed within probe (15) front end between the wall (154) and probe (11).This promptly forms the same crack of an air (18) at interval; that is pop one's head in clearance (18) between (15) of the probe (11) that is positioned at existing protection film (41) and main body (1) shell; bunching ring (43) is retained on the ring-type contact (as shown in Figure 3) of only having a few between probe (11) and main body (1) the shell front-end probe (15), and probe (15) and probe (11) heat-conduction effect are between the two minimized.Clearance (18) then provides goodish thermal isolation space, and the influence that the peripheral environment temperature of probe (11) is caused minimizes, and guarantees the radiated wave sensing that transmits from the radiated wave guiding tube (12) of probe (11), can do reliable temperature survey.After thermometer of the present invention is done temperature survey; the groove (33) at upper shield (3) rear portion is separated action with the protrusion piece (153) of main body (1) shell probe (15); then the coating film (2) of probe (15) can be taken out after separating and remove and abandon; change new clean coating film (2) during each the use again; upper shield (3) then can be reused; disposable coated film (2) is more inexpensive especially than upper shield (3); and volume is little; when general family or individual's use; this upper shield (3) can abandon; and can reuse; this expense that promptly reduces in the use has also reduced the problem on the environmental protection treatment; behind each serviceability temperature instrumentation amount temperature; the coating film (2) that more renews again; because go up the radiated wave guiding tube (12) that also has a protection film (41) to seal probe (11) at probe (11); the doubt that unit's dust or dirt enter radiation guiding tube (12); can guarantee the precision of temperature survey; probe (11) is because there is the protection film (41) of protective device (4) to seal radiated wave guiding tube (12) end entrance (151) before; the chance that this radiated wave guiding tube (12) is contacted with air reduces, that is reduces the effect of radiated wave guiding tube (12) and air oxidation.

The hygienic protection of infra-red thermometer of the present invention, can also replace needing disposable protection film and reusable film upper shield, have on the temperature juice of other electronics of hygienic protection.

The present invention has more general electronic thermometer to have more good use advantage, It similarly is better probe protection coating unit. Disposable probe coats film namely Save cost of manufacture and the cost of use of thermometer, reduced again the processing of environmental protection Problem is the positive of front to environmental protection. That is probe coats film from the people Body or duct pollute, and only are front end coated place, and upper shield then is not subjected to the people Body or duct pollute, and reuse so upper shield can be brought, and the present invention has in fact The rosy prospect of develop and spread.

Claims

1. sanitary protection device for electronic thermometer, it includes and coats film (2), upper shield (3), probe protection device (4) and probe projecting block (153), upper shield (3) is coated with coating film (2) it is clamped on the electronic thermometer body front end probe (15), it is meshing mutually with the projecting block (153) of probe that the rear of upper shield (3) is provided with groove (33), probe protection device (4) includes protection film (41), protection film (41) parcel probe (11), it is characterized in that: upper shield (3) is the cone of a butt, the centre is taper position (31), and front end is opening (32); Projecting block (153) be shaped as triangle or circle; Probe protection device (4) also includes set collar (42) and bunching ring (43); set collar (42) will protect film (41) to be fixed in the endless groove (111) of probe (11) back end outer surface; bunching ring (43) will protect film (41) to tighten on the front end of probe (11), and bunching ring (43) contacts for the point of ring-type with the inwall (154) of probe (11) with probe (15).