CN213993538U - Body cavity temperature measurement NTC temperature sensor - Google Patents
Body cavity temperature measurement NTC temperature sensor Download PDFInfo
- Publication number
- CN213993538U CN213993538U CN202022569274.6U CN202022569274U CN213993538U CN 213993538 U CN213993538 U CN 213993538U CN 202022569274 U CN202022569274 U CN 202022569274U CN 213993538 U CN213993538 U CN 213993538U
- Authority
- CN
- China
- Prior art keywords
- sensor
- medical
- lead
- body cavity
- flexible sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a body cavity temperature measuring NTC temperature sensor, which comprises a sensor head, a hard lead, a medical grade flexible sleeve, a chip resistor body and a lead terminal; waterproof glue is coated on the chip resistor body, the lead terminals and the hard leads, and waterproof epoxy resin is wrapped outside the waterproof glue. This body cavity temperature measurement NTC temperature sensor, through at the chip resistive element, the outside coating waterproof glue of lead terminal and stereoplasm lead wire, waterproof glue's waterproof type epoxy of outside parcel, make whole sensor head accomplish water repellent, when meetting the temperature measurement of the internal liquid environment of body, the temperature measurement precision of sensor has been improved greatly, the resistance precision reaches 0.3%, make things convenient for the temperature variation of accurate control human body intracavity, adopt medical level flexible sleeve, with the sensor head impel medical level flexible sleeve intraductally, both regard as protective case, the temperature measurement in the human body intracavity has been realized again.
Description
Technical Field
The utility model relates to a NTC temperature sensor technical field specifically is a body cavity temperature measurement NTC temperature sensor.
Background
The NTC temperature sensor is a thermistor and a probe, and the principle is as follows: the resistance value decreases rapidly with increasing temperature. It is usually composed of 2 or 3 kinds of transition metal oxides, and is calcined in a high temperature furnace to form a dense sintered ceramic through the steps of mixing, pre-firing, fine grinding, isostatic pressing, and the like. The actual size is very flexible and can be as small as 0.010 inch or even smaller.
But the miniature NTC temperature sensor of high accuracy on the existing market is not only complicated in structure, and the function is single moreover, in medical application field: generally, NTC temperature sensors are used in a digital thermometer, a culture (constant temperature) box, a skin sensor, a catheter, dialysis equipment and a respirator to monitor temperature, blood flow or air flow, but when the NTC temperature sensors are used for measuring the temperature in a designed body cavity in the catheter, the dialysis equipment and the respirator, because the existing design is not subjected to waterproof treatment, when the liquid environment in the body cavity is measured, the measurement precision error is large, and meanwhile, the defects that the existing flexible lead connected with the head of the sensor is inconvenient to use when the body cavity is entered and the like are overcome.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a body cavity temperature measurement NTC temperature sensor has advantages such as convenient to use, waterproof, measurement accuracy height to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a body cavity temperature measuring NTC temperature sensor comprises a sensor head, a hard lead wire is connected with the tail of the sensor head; the head of the sensor and the hard lead are integrally coated in the medical-grade flexible sleeve; the medical grade flexible sleeve is provided with a matched accommodating cavity at the contact part with the head part of the sensor, and a connecting terminal is arranged at the coating part of the tail end of the medical grade flexible sleeve and the hard lead.
Preferably, the medical-grade flexible sleeve is made into an annular structure according to the body cavity depth, and locking buckles are respectively arranged at the extending end of the sensor head and the extending end of the connecting terminal of the medical-grade flexible sleeve.
Preferably, the locking buckle is of an annular hoop structure, and the locking buckle is sleeved on an annular structure formed by the multiple strands of medical-grade flexible sleeves in a surrounding mode.
Preferably, a chip resistor body is arranged inside the sensor head, the chip resistor body is welded on a lead terminal, and the other end of the lead terminal is connected with a hard lead; waterproof glue is coated on the chip resistor body, the lead terminals and the hard leads, and waterproof epoxy resin is wrapped outside the waterproof glue.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. this body cavity temperature measurement NTC temperature sensor, through the outside coating waterproof glue at the chip resistive element, lead terminal and stereoplasm lead wire, waterproof glue's waterproof type epoxy is wrapped up to the outside for waterproof treatment is accomplished to whole sensor head, when meetting the temperature measurement of the liquid environment in the body cavity, has improved the temperature measurement precision of sensor greatly, and the resistance precision reaches 0.3%, makes things convenient for the temperature variation of accurate control human body intracavity.
2. The body cavity temperature measuring NTC temperature sensor adopts the medical-grade flexible sleeve to push the head of the sensor into the medical-grade flexible sleeve, thereby not only being used as a protective sleeve, but also realizing the temperature measurement in the body cavity of a human body.
Drawings
Fig. 1 is a schematic view of a sensor mounting structure of the present invention;
FIG. 2 is a schematic diagram of a sensor product structure;
fig. 3 is a schematic diagram of the internal structure of the sensor of the present invention.
In the figure: 1. a sensor head; 2. a chip resistor body; 3. a lead terminal; 4. waterproof glue; 5. a waterproof epoxy resin; 6. a hard lead; 7. locking the buckle; 8. a medical grade flexible cannula; 9. and a connection terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a body cavity temperature measuring NTC temperature sensor includes a sensor head 1, a hard lead 6 connected to a tail of the sensor head 1; the sensor head part 1 and the hard lead 6 are integrally coated in the medical-grade flexible sleeve 8; the medical-grade flexible sleeve 8 is provided with a matched accommodating cavity at the contact part with the sensor head part 1, and a connecting terminal 9 is arranged at the coating part of the tail end of the medical-grade flexible sleeve 8 and the hard lead 6.
In the above embodiment, the medical grade flexible tube 8 is made into a ring structure according to the body cavity depth, and the medical grade flexible tube 8 is provided with the locking buckles 7 at the protruding end of the sensor head 1 and the protruding end of the connecting terminal 9 respectively.
In the above embodiment, the locking buckle 7 is an annular hoop structure, the locking buckle 7 is sleeved on an annular structure formed by a plurality of strands of medical-grade flexible sleeves 8, when the sensor is in actual use, the medical-grade flexible sleeve 8 at one end of the sensor head 1 is drawn out to a proper length from the annular structure according to the body cavity measurement depth, the locking buckle 7 is locked to fix the extending length of the sensor head 1, after the sensor is used, the locking buckle 7 is loosened, and the medical-grade flexible sleeve 8 is retracted.
In the above embodiment, the chip resistor 2 is provided inside the sensor head 1, the chip resistor 2 is welded to the lead terminal 3, and the other end of the lead terminal 3 is connected to the hard lead 6; waterproof glue 4 is applied to the exterior of the chip resistor 2, the lead terminals 3 and the hard leads 6, and waterproof epoxy resin 5 is wrapped around the exterior of the waterproof glue 4.
The working principle is as follows: according to the body cavity temperature measuring NTC temperature sensor, the waterproof glue 4 is coated on the chip resistor body 2, the lead terminal 3 and the hard lead 6, and the waterproof epoxy resin 5 is wrapped outside the waterproof glue 4, so that the whole sensor head 1 is subjected to waterproof treatment, the temperature measuring precision of the sensor is greatly improved when the temperature of a liquid environment in a body cavity is measured, the resistance precision reaches +/-0.3%, and the temperature change in the body cavity of a human body can be conveniently and accurately monitored; secondly, a medical-grade flexible sleeve 8 is adopted, the sensor head 1 is pushed into the medical-grade flexible sleeve 8, and the medical-grade flexible sleeve not only serves as a protective sleeve, but also realizes temperature measurement in a human body cavity.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A body cavity temperature measuring NTC temperature sensor, comprising a sensor head (1), characterized in that: the tail part of the head part (1) of the sensor is connected with a hard lead (6); the sensor head (1) and the hard lead (6) are integrally wrapped in the medical-grade flexible sleeve (8); the contact part of the medical-grade flexible sleeve (8) and the sensor head (1) is provided with a matched containing cavity, and the coating part of the tail end of the medical-grade flexible sleeve (8) and the hard lead (6) is provided with a connecting terminal (9).
2. A body cavity temperature measuring NTC temperature sensor according to claim 1, wherein: the medical flexible sleeve (8) is made into an annular structure according to the body cavity depth, and locking buckles (7) are respectively arranged at the extending end of the sensor head (1) and the extending end of the connecting terminal (9) of the medical flexible sleeve (8).
3. A body cavity temperature measuring NTC temperature sensor according to claim 2, wherein: the locking buckle (7) is of an annular hoop structure, and the locking buckle (7) is sleeved on an annular structure formed by a plurality of strands of medical-grade flexible sleeves (8).
4. A body cavity temperature measuring NTC temperature sensor according to claim 1, wherein: a chip resistor body (2) is arranged inside the sensor head (1), the chip resistor body (2) is welded on the lead terminal (3), and the other end of the lead terminal (3) is connected with the hard lead (6); waterproof glue (4) is coated on the outer portions of the chip resistor body (2), the lead terminals (3) and the hard leads (6), and waterproof epoxy resin (5) wraps the outer portions of the waterproof glue (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022569274.6U CN213993538U (en) | 2020-11-09 | 2020-11-09 | Body cavity temperature measurement NTC temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022569274.6U CN213993538U (en) | 2020-11-09 | 2020-11-09 | Body cavity temperature measurement NTC temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213993538U true CN213993538U (en) | 2021-08-20 |
Family
ID=77303714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022569274.6U Active CN213993538U (en) | 2020-11-09 | 2020-11-09 | Body cavity temperature measurement NTC temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213993538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114010165A (en) * | 2021-12-09 | 2022-02-08 | 东莞荣瑞医疗器械有限公司 | Intracavity body temperature sensor and manufacturing method thereof |
-
2020
- 2020-11-09 CN CN202022569274.6U patent/CN213993538U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114010165A (en) * | 2021-12-09 | 2022-02-08 | 东莞荣瑞医疗器械有限公司 | Intracavity body temperature sensor and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4457633A (en) | Temperature probe cover | |
| JP3962333B2 (en) | Temperature measuring device | |
| US3359974A (en) | Device for the thermal determination of cardiac volumetric performance | |
| US3878830A (en) | Catheter system for blood gas monitoring | |
| CN213993538U (en) | Body cavity temperature measurement NTC temperature sensor | |
| US4832599A (en) | Periodontal probe | |
| US3893058A (en) | Electronic thermometer probe | |
| US3367186A (en) | Resistance thermometer | |
| US3592059A (en) | Temperature measuring apparatus | |
| US3402378A (en) | Electronic clinical thermometer and probe therefor | |
| CN206197935U (en) | For the sensor of intracranial pressure monitoring | |
| US4453552A (en) | Electronic body temperature indicator | |
| US3221555A (en) | Clinical thermometer | |
| US3999284A (en) | Method for making a polarographic sensing means | |
| Sun et al. | Fiberoptic temperature sensors in the medical setting | |
| CN213397427U (en) | NTC temperature sensor for medical body surface temperature measurement | |
| CN212754273U (en) | Smoke temperature measuring device for electronic flue-cured tobacco | |
| CN203736172U (en) | General body cavity body temperature probe | |
| US20120128031A1 (en) | Electronic Clinical Thermometer | |
| CN209003986U (en) | A kind of sensor for intracranial pressure monitoring | |
| CN213812641U (en) | Thermometer of temperature-sensitive resistance sensor | |
| CN102370468A (en) | Skin temperature probe | |
| CN206792392U (en) | Body temperature measuring instrument | |
| Bergveld | Sensors for biomedical applications | |
| CN112857605B (en) | Temperature sensor, application thereof and method for preparing temperature sensing module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |