CN212255078U - Parathyroid gland detecting probe - Google Patents
Parathyroid gland detecting probe Download PDFInfo
- Publication number
- CN212255078U CN212255078U CN202021481090.8U CN202021481090U CN212255078U CN 212255078 U CN212255078 U CN 212255078U CN 202021481090 U CN202021481090 U CN 202021481090U CN 212255078 U CN212255078 U CN 212255078U
- Authority
- CN
- China
- Prior art keywords
- air
- probe
- blowing device
- parathyroid gland
- optical detection
- 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
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model provides a parathyroid gland detection probe, belonging to the field of medical equipment manufacture; the utility model discloses a: a Raman probe and a blowing device; the Raman probe is provided with an optical detection end, and the air blowing device is arranged on the optical detection end; the blowing device is provided with an air outlet end, and the direction of the air outlet end is the same as the irradiation direction of the optical detection end. The utility model has the advantages that the blowing device is added on the Raman probe, the foreign matters on the surface of the detection area are cleaned and moved by using the air flow, the optical detection end of the Raman probe can be effectively prevented from being infected by the foreign matters, the accuracy of Raman spectrum detection is greatly improved by two measures, and the detection time and the operation steps are effectively reduced; simultaneously, the utility model discloses can also utilize the air current to support the tissue in incision region to observation and operation in the operation are convenient for.
Description
Technical Field
The utility model relates to a medical instrument manufacturing technology especially relates to a parathyroid gland test probe, belongs to check out test set and makes technical field.
Background
Identification of parathyroid glands has been one of the great challenges facing physicians in thyroid surgery. Parathyroid gland is responsible for regulating and controlling blood calcium level of human body, and plays an important role in stabilizing environment in human body. In a normal human body, 4 parathyroid glands are distributed around the thyroid gland, and the parathyroid glands are small in volume, are not fixed in anatomical positions, are very similar to tissues such as surrounding lymph nodes and the like, and are difficult to distinguish by doctors. If a doctor mistakenly cuts or damages parathyroid blood circulation during operation, patients suffer from severe and irreversible hypocalcemia after operation, so that the symptoms of numbness of hands and feet, convulsion of limbs, even respiratory failure and the like can cause serious influence on the life safety and life quality of the patients. Therefore, intraoperative identification of parathyroid glands has been of great interest to thyroid surgeons.
In the prior art, parathyroid gland is mainly identified by naked eyes of experienced doctors or by adopting a laser Raman spectrum detection technology.
Firstly, the visual identification, observation and judgment method brings great subjective errors, the operation risk is greatly improved particularly for inexperienced doctors, and in many cases, doctors still cannot judge the nature of the tissue, and at this time, a method of partially cutting off a part of the tissue and carrying out intraoperative frozen pathological examination is adopted to determine whether the part is parathyroid gland, and then follow-up operation is continued. The method has slow operation process and low parathyroid gland detection and judgment accuracy.
In the prior art, a laser raman spectroscopy detection technology can also be adopted, and the detection mode irradiates an operation area through laser with specific frequency, so that parts with parathyroid gland display different spectral changes, and then calculation analysis and comparison are carried out through feedback images to determine whether the parathyroid gland is provided. The application of this technique can significantly reduce operation time, however, because the characteristics of thyroid gland operation, often need go deep into the wound with optical probe and shine, at this moment often have some bloodiness or hyperplasia tissue (like blood vessel, fat granule etc.) to shelter from the detection area, just at this moment need additionally clear up the back with the help of other apparatus and can detect, this operation step that has increased the operation undoubtedly, still need a plurality of personnel and apparatus cooperation work simultaneously, reduced the efficiency of operation.
In addition, the Raman probe belongs to high-precision optical equipment, and if the end part of the probe is easily polluted in the detection process, the detection precision is seriously influenced, so that the judgment difficulty of a doctor is greatly increased, and the operation time is further increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a new parathyroid gland test probe sets up the air current through the tip at raman optical probe and blows the device to can be rapid blow away the regional liquid of focus and remain the tissue, make the region that awaits measuring keep totally level and smooth, with the technical problem who solves among the prior art raman spectrum detection easily receive pollution and inconvenient operation.
The utility model discloses parathyroid gland test probe, include: a Raman probe and a blowing device; the Raman probe is provided with an optical detection end, and the air blowing device is arranged on the optical detection end;
the blowing device is provided with an air outlet end, and the direction of the air outlet end is the same as the irradiation direction of the optical detection end.
In another embodiment of the parathyroid gland test probe of the present invention, the blowing device is a tubular structure with openings at both ends, and the tubular structure has an air inlet end corresponding to the air outlet end; the blowing device is internally provided with a high-pressure cavity;
the air blowing device is sleeved outside the optical detection end and is fixed on the Raman probe;
an annular air outlet is arranged on the inner wall of the air inlet end; the annular air blowing port is connected with the high-pressure cavity and faces the air outlet end.
In the parathyroid gland detection probe of another embodiment of the present invention, a pressurizing air pump is further installed on the raman probe, and a pressurizing pipe is provided on the pressurizing air pump; the pressurization air pump is connected with the high-pressure cavity through the pressurization pipe.
In another embodiment of the parathyroid gland test probe of the utility model, the blowing device is provided with a sleeve bracket; the sleeve joint support is sleeved on the optical detection end, so that the optical detection end is positioned in the air blowing device.
In another embodiment of the parathyroid gland detecting probe of the present invention, the optical detecting end is further sleeved with a slidable sealing cover;
the sealing cover slides along the length direction of the optical detection end so as to open or close the air inlet end of the air blowing device.
In another embodiment of the parathyroid gland detection probe of the present invention, the gas outlet end of the gas blowing device is further provided with a probe rod; one end of the probe rod is fixed on the blowing device, and the other end is provided with a brush.
In another embodiment of the parathyroid gland detecting probe of the present invention, one end of the pressurization air pump is a high pressure outlet, and the other end is an air suction port; the high-pressure outlet is connected with the pressure increasing pipe, and the air suction port is provided with an air filter element.
In a parathyroid gland test probe according to another embodiment of the present invention, the raman probe further includes: the device comprises a shell, a laser light source and a receiving port for receiving a feedback signal irradiated by the laser light source; the receiving port and the laser light source are both arranged in the shell;
the air suction port is arranged close to the laser light source.
In the parathyroid gland test probe of another embodiment of the present invention, the optical detection end has an end face, and the end face and the annular gas outlet are located on the same plane.
In the parathyroid gland test probe of another embodiment of the present invention, the inner wall of the gas blowing means is covered with a light absorbing coating.
The utility model can effectively improve the accuracy of Raman spectrum detection by adding the blowing device on the Raman probe and cleaning and moving the foreign matters on the surface of the detection area by using the airflow; meanwhile, the airflow is helpful for reducing foreign matters from being infected to the optical detection end of the Raman probe, so that the fault rate of Raman spectrum detection is greatly reduced, and the detection time and the operation steps are effectively reduced; simultaneously, the utility model discloses can also utilize the air current to support the tissue in incision region to observation and operation in the operation are convenient for.
Drawings
FIG. 1 is a side sectional view of a parathyroid gland detecting probe according to an embodiment of the present invention;
FIG. 2 is a side sectional view of a parathyroid gland detection probe according to an embodiment of the present invention;
fig. 3 is a schematic view of an air blowing device of a parathyroid gland detecting probe according to an embodiment of the present invention.
Detailed Description
The parathyroid gland test probe of the utility model can be made of the following materials, and is not limited to the following materials, for example: plastics, optical probe, booster fan, air pump, air duct, aluminum alloy, silica gel and optical device etc..
FIG. 1 is a schematic diagram of an embryo status side view of a parathyroid gland detecting probe according to an embodiment of the present invention; the parathyroid gland detection probe of the present embodiment includes: a Raman probe 1 and a blowing device 2; the Raman probe 1 is provided with an optical detection end 10, and the air blowing device 2 is arranged on the optical detection end 10; the blowing direction of the blowing device 2 is the same as the irradiation direction of the optical detection end 10; in the actual use process, the detection area can be effectively aligned for detection.
The blowing device 2 has an air outlet end facing in the same direction as the irradiation direction of the optical detection end 10.
The utility model discloses a further improvement on the basis of raman spectroscopy detects the parathyroid. Laser raman spectroscopy, as a spectroscopic analysis technique, is widely used in the testing of various chemical substances, such as judicial identification, security inspection, jewelry identification, crystal research, and drug identification, because it can provide rapid, simple, repeatable, and more importantly, non-destructive qualitative and quantitative analysis.
Generally, a laser raman spectroscopy detection system consists of three parts: laser light source 12, receiving port 13, optical detection terminal 10 and spectrum analyzer. The light beam emitted by the laser source 12 is collimated and focused by the optical detection end 10 and irradiates to excited substances (thyroid and surrounding tissues), the scattered Raman light is received and filtered by the optical detection end 10 again and then is transmitted to the receiving port 13, the receiving port 13 transmits the received signal to the optical spectrum analyzer for Raman spectrum analysis, and therefore whether parathyroid gland exists in the irradiated area or not is determined, and detailed information of the detection result is given.
The utility model discloses an increase gas blowing device on raman probe, utilize the air current to clear up and remove the foreign matter on detection area surface, can effectually reduce the optical detection end that the foreign matter is infected with raman probe, improved the accuracy of raman spectrum detection by a wide margin to effectual detection time and the operating procedure of having reduced; simultaneously, the utility model discloses can also utilize the air current to support the tissue in incision region to observation and operation in the operation are convenient for.
In the parathyroid gland detection probe of the present embodiment, the blowing device 2 is a tubular structure with openings at two ends, the tubular structure has an air inlet end and an air outlet end, the air inlet end corresponds to the air outlet end to form two openings of the tubular structure; the blowing device 2 is internally provided with a high-pressure cavity; the high-pressure cavity is used for temporarily storing high-pressure gas.
In general, the blowing device 2 can be connected to a high-pressure air pipe or an air pump to realize the blowing function.
The blowing device 2 is sleeved outside the optical detection end 10 and is fixed on the Raman probe 1; the air outlet end of the air blowing device 2 can ensure that the irradiation laser of the optical detection end 10 passes through the air blowing device 2.
The air inlet end ensures that local outside air can be sucked into the air blowing device to increase the air flow. An annular air outlet 20 is arranged on the inner wall of the air inlet end; the annular air blowing port 20 is connected with the high-pressure cavity and faces the air outlet end.
In this embodiment, the optical detection end 10 has an end surface, and the end surface and the annular air outlet 20 are located on the same plane, so that dust or liquid droplets can be prevented from depositing or accumulating on the end surface of the optical detection end to the maximum extent, and the influence of the air flow on the optical detection end can also be avoided.
Preferably, a booster pump 5 is further installed on the raman probe 1, and a booster pipe 50 is provided on the booster pump 5; the pressurization air pump 5 is connected with the high-pressure cavity through the pressurization pipe 50.
Specifically, one end of the booster air pump 5 is a high-pressure outlet 51, and the other end is an air suction port 52; the high-pressure outlet 51 is connected with the pressure increasing pipe 50, and the air suction port 52 is provided with an air filter element.
In the actual working process, the pressurization air pump 5 is started to generate high-pressure air, and the high-pressure air is transmitted to the high-pressure cavity in the air blowing device 2 through the pressurization pipe 50, and the outlet of the annular air outlet 20 is smaller and is arranged on the inner wall of the air blowing device, so that the high-pressure air is guaranteed to be blown out along the inner wall of the air blowing device, the air inlet end can be further driven to suck surrounding air, and high-flow air blowing is realized under smaller noise.
In the embodiment, when high-pressure airflow exists in the high-pressure cavity, the high-pressure airflow can be ejected out of the annular blowing cavity, negative pressure is generated in a corresponding space to drive peripheral airflow to be sucked from the air inlet end and blown forwards, all the airflow is combined together and blown out forwards through the air outlet end, the air volume is larger, and the efficiency is higher; and the air blowing distance is long, the air blowing is concentrated, and the noise is smaller.
And, because the air current blows off through encircleing optical detection end 10, can avoid the utility model discloses a contaminated by other objects (like bloodstain, tissue fluid, hair etc.) in the probe insertion process also can guarantee the cleanness of optical detection end always in the testing process, avoids appearing the optical detection end and is polluted to the drawback that needs clean back reuse.
In addition, due to the adoption of the structure that the blowing device can self-suck ambient air, higher air volume can be generated, after the probe is inserted into the knife edge, tissues can be supported more effectively through air flow, the tissues are prevented from being close to or adhered to the probe, the cleanness of the probe is kept, and the operation of a doctor is simpler and more convenient. Through the setting of annular air inlet, not only played the effect of blowing and cleaing away the detection area foreign matter, can also make the insertion process of probe simpler, the noise is littleer, has avoided using the drawback of multiple apparatus many people operation, and practical application has very big value.
Further, in this embodiment, the air blowing device 2 is provided with a sleeving bracket 21; the sleeving support 21 is sleeved on the optical detection end 10, so that the optical detection end 10 is located in the blowing device 2.
Specifically, the sleeve joint support 21 is of a hollow structure, so that the flow of air flow between the air inlet end and the air outlet end is not influenced; the sleeve support 21 comprises a sleeve to be fixed on the optical detection end 10, and a Y-shaped support is further arranged on the sleeve, and the sleeve is connected with the air blowing device 2 through the Y-shaped support. The Y-shaped support ensures that the blowing device can well suck the outside air from the air inlet end.
In the parathyroid gland detection probe of this embodiment, a further preferable scheme is that the optical detection end 10 is further sleeved with a slidable sealing cover 3; the sealing cover 3 is of a bowl-shaped structure.
The sealing cover 3 slides along the length direction of the optical detection end 10 to open or close the air inlet end of the air blowing device.
In the utility model, the sealing cover is used for plugging the air inlet end of the air blowing device, thereby preventing external air flow from entering the air blowing device, effectively reducing the air blowing amount and improving the local air pressure; due to the design, when the probe provided by the embodiment of the invention is used in a narrow area, the damage to surrounding tissues caused by excessive air inflow is avoided; and because the air inlet end is blocked, the air volume is reduced near the air outlet end, but the local pressure is increased, and when the device is used in a narrow space, the device can effectively cover hoof tissues or fat and the like on a to-be-detected area through air flow movement, and plays a role in touching hands.
Specifically, the sealing cover 3 has a sealing ring 30, and is sleeved outside the optical detection end 10 through the sealing ring 30 and can slide. In addition, the rubber ring is arranged on the outer side of the sealing cover 3, so that when the sealing cover 3 is attached to the air blowing device, the sealing performance is improved, and the noise can be effectively reduced.
In addition, the outer wall of the air blowing device 2 is also provided with a limit clamp 23, so that the sealing cover 3 can be prevented from moving continuously after the air inlet end of the air blowing device 2 is sealed.
Furthermore, as shown in fig. 1 or fig. 2, a probe rod 4 is further disposed on one side of the air outlet end of the air blowing device 2; one end of the probe rod 4 is fixed on the blowing device 2, and the other end is provided with a brush. Specifically, the air outlet end of the air blowing device 2 is provided with a connecting hole 40, and the probe rod 4 can be mounted or dismounted from the air blowing device 2 through the connecting hole 40.
The design of the brush can effectively pull apart surrounding tissues in the operation process, particularly in the process of monitoring by observing a spectrometer, so that the probe can directly irradiate a region to be detected, and the device has high convenience.
In the parathyroid gland detecting probe of this embodiment, the inner wall of the air blowing device 2 is covered with a light absorbing coating. The light absorption coating is generally black light absorption coating, is usually made by mixing black graphite with other base materials, and can avoid the influence of the reflection caused by the inner wall of the blowing device on the optical detection end.
The embodiment of the utility model provides an in raman probe still include: the device comprises a shell, a laser light source 12 and a receiving port 13 for receiving feedback signals irradiated by the laser light source 12; the receiving port 13 and the laser light source 12 are both disposed within the housing.
The laser source 12 and the receiving port 13 are integrated on the housing of the raman probe 1, so that the distance of optical fiber propagation can be greatly reduced, the manufacture is simpler, the loss is smaller, and the improvement of the accuracy of raman detection is facilitated.
The air suction port 52 of the booster air pump 5 is arranged close to the laser light source 12, so that heat generated by the laser light source can be effectively taken away, and the service life of the light source is prolonged.
The raman probe 1 of the utility model is also provided with a dichroic mirror 11. An emission channel is formed between the laser light source 12 and the optical detection end 10, and the dichroic mirror 11 is located in the emission channel. A receiving channel is arranged between the dichroic mirror and the receiving port 13.
The dichroic mirror 10 filters the laser emitted in the emission channel, only allows light with excitation wavelength to pass through, reflects the raman scattering light generated in the detected region into the receiving channel, and simultaneously allows the rayleigh scattering light to pass through, thereby improving the detection performance of the raman probe.
The specific working process of the raman probe of this embodiment is as follows:
when the laser device is used, firstly, a laser source is emitted from a laser light source 12, then, the introduced laser is collimated by a condenser lens, the collimated laser passes through a band-pass filter, the band-pass filter only allows light near the excitation wavelength of the laser to pass through, then, the laser passing through the band-pass filter is filtered by a dichroic mirror 11, only the light of the excitation wavelength in the laser is allowed to pass through, the collimated laser passing through the dichroic mirror 11 finally enters an optical detection end 10, then, the laser is converged and irradiated on a detected tissue by the optical detection end 10, and at the moment, the laser light source 12, the condenser lens, the band-pass filter, the dichroic mirror 11 and the optical detection end 10 jointly form an emission light path.
After the laser is converged and irradiated on the tested tissue, the tested tissue reflects the laser, the reflected light is irradiated on the dichroic mirror 11 through the optical detection end 10, at this time, the dichroic mirror 11 reflects Raman scattering light generated by the reflection of the tested tissue, and allows the Rayleigh scattered light generated by the reflection of the tested tissue to pass through, the Raman scattered light reflected by the dichroic mirror 11 is reflected by the reflecting mirror and passes through the long-pass filter, the long-pass filter filters the Raman scattered light to filter the Rayleigh scattered light, thereby eliminating the influence of Rayleigh scattering light on backward weak dispersion light, filtering the Raman scattering light by a long-pass filter, and then the receiving light is converged on a receiving port 13 by a receiving condenser lens, and at the moment, the optical detection end 10, the dichroic mirror 11, the reflecting mirror, the long-pass filter, the receiving condenser lens and the receiving port 13 form a receiving light path together.
The embodiment of the utility model provides a parathyroid gland test probe's advantage lies in:
1. the utility model combines the Raman probe and the blowing device, which not only can reduce the pollution probability of the probe in the operation, but also can clean the surface to be measured to a certain extent through the action of gas; and the local air pressure enhancement is also helpful for supporting the tissues in the operation area, is more convenient for observation and operation, and achieves three purposes at a time.
2. The utility model discloses the reduction that can be further operates the degree of difficulty, and the effectual erroneous judgement of avoiding incision unevenness or extra tissue proliferation to arouse has effectually reduced the wound of operation, can also reduce the doctor and operate the degree of difficulty by a wide margin, further improvement the detection efficiency and the speed of parathyroid.
3. Adopt the utility model discloses afterwards, patient's anesthesia time, operation expense and operating personnel's working strength and time and the energy consumption of operating room all reduce by a wide margin, are favorable to the operation and the application of operation more.
4. The utility model discloses a device is when carrying out parathyroid discernment, and laser light source 12 is installed on the integration shell with receiving port 13 detachably, can change different laser light source and receiving port according to service environment in the facilitate the use, has improved raman probe's universality
Additionally, the utility model discloses a parathyroid gland test probe cost of manufacture is not high, and is small and exquisite, and structural design is compact, and finished product stable in quality, convenient operation, noiselessness uses in the discernment and the detection to the parathyroid in various thyroid surgery processes.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments. Through the above description of the embodiments, those skilled in the art will clearly understand that the above embodiment method can be implemented by some modifications plus the necessary general technical overlap; of course, the method can also be realized by simplifying some important technical features in the upper level. Based on such understanding, the technical solution of the present invention essentially or the part contributing to the prior art is: the whole function and structure, and cooperate the utility model discloses each embodiment the structure.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A parathyroid gland detection probe, comprising: a Raman probe and a blowing device; the Raman probe is provided with an optical detection end, and the air blowing device is arranged on the optical detection end;
the blowing device is provided with an air outlet end, and the direction of the air outlet end is the same as the irradiation direction of the optical detection end.
2. The parathyroid gland detecting probe of claim 1, wherein the insufflation means is a tubular structure having openings at both ends, the tubular structure having an inlet end corresponding to the outlet end; the blowing device is internally provided with a high-pressure cavity;
the air blowing device is sleeved outside the optical detection end and is fixed on the Raman probe;
an annular air outlet is arranged on the inner wall of the air inlet end; the annular air blowing port is connected with the high-pressure cavity and faces the air outlet end.
3. The parathyroid gland detecting probe of claim 2, wherein a booster pump is further mounted on the raman probe, the booster pump having a booster tube; the pressurization air pump is connected with the high-pressure cavity through the pressurization pipe.
4. The parathyroid gland detecting probe of claim 2, wherein the insufflation means has a telescoping mount thereon; the sleeve joint support is sleeved on the optical detection end, so that the optical detection end is positioned in the air blowing device.
5. The parathyroid gland detecting probe of any one of claims 2 to 4, wherein a slidable seal cap is further fitted over the optical sensing end;
the sealing cover slides along the length direction of the optical detection end so as to open or close the air inlet end of the air blowing device.
6. The parathyroid gland detecting probe according to claim 2 or 3, wherein a probe rod is further arranged at the gas outlet end of the gas blowing device; one end of the probe rod is fixed on the blowing device, and the other end is provided with a brush.
7. The parathyroid gland detecting probe of claim 3, wherein one end of the pressurization air pump is a high pressure outlet, and the other end is an air suction port; the high-pressure outlet is connected with the pressure increasing pipe, and the air suction port is provided with an air filter element.
8. The parathyroid gland detecting probe of claim 7, wherein the Raman probe further includes: the device comprises a shell, a laser light source and a receiving port for receiving a feedback signal irradiated by the laser light source; the receiving port and the laser light source are both arranged in the shell;
the air suction port is arranged close to the laser light source.
9. The parathyroid gland detecting probe of claim 2, wherein the optical sensing end has an end face which is coplanar with the annular gas outlet.
10. The parathyroid gland detecting probe of any one of claims 1-3, wherein the inner wall of the insufflation means is coated with a light absorbing coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021481090.8U CN212255078U (en) | 2020-07-23 | 2020-07-23 | Parathyroid gland detecting probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021481090.8U CN212255078U (en) | 2020-07-23 | 2020-07-23 | Parathyroid gland detecting probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212255078U true CN212255078U (en) | 2020-12-29 |
Family
ID=73980889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021481090.8U Active CN212255078U (en) | 2020-07-23 | 2020-07-23 | Parathyroid gland detecting probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212255078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751351A (en) * | 2020-07-23 | 2020-10-09 | 赛德生物科技(山东)有限责任公司 | Parathyroid gland detecting probe |
-
2020
- 2020-07-23 CN CN202021481090.8U patent/CN212255078U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751351A (en) * | 2020-07-23 | 2020-10-09 | 赛德生物科技(山东)有限责任公司 | Parathyroid gland detecting probe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5756409B2 (en) | Breath analysis | |
| KR950014941B1 (en) | Multi-channel molecular gas analysis by laser-activated raman light scattering | |
| JP3330929B2 (en) | Pipette adapter, pipette for absorbance measurement, tip, absorbance measurement device and absorbance measurement method | |
| US4986839A (en) | Self-contained air enhancement and laser plume evacuation system | |
| JP5623383B2 (en) | Measurement of fine particles in a liquid using reflected light | |
| JP5712564B2 (en) | Virus detection apparatus and virus detection method | |
| BRPI0714042A2 (en) | Side stream gas sampling system, Method for measuring a concentration of one or more components of a gas sample taken from a mainstream gas stream, and Side stream gas sampling apparatus | |
| CN212255078U (en) | Parathyroid gland detecting probe | |
| KR102049144B1 (en) | Disease diagnosis system based on laser | |
| JP2005528592A (en) | Sidestream gas collection device with detachable sample cell | |
| JP5860175B2 (en) | Airborne substance detection device and cartridge used therefor | |
| US20200120291A1 (en) | GUIDANCE SYSTEM FOR A NEAR-INFRARED FLUORESCEIN ANGIOGRAPHY OPERATION WITH A 785nm CONTINUOUS WAVELENGTH LIGHT SOURCE | |
| CN111700581A (en) | Electronic ureter soft lens, device, system and use method | |
| CN107320062B (en) | Cystoscope with living body real-time Raman spectrum detection function and method | |
| JP5102373B2 (en) | Device for detecting abnormal living tissue | |
| KR20190084537A (en) | Dust measuring apparatus | |
| CN111751351A (en) | Parathyroid gland detecting probe | |
| US7486978B2 (en) | Catheter head | |
| US8593626B2 (en) | Method for inspecting the inside of a narrow hose or tube particularly for medical use | |
| CN110618108A (en) | System and method for detecting endogenous acetone in exhaled air | |
| JP2009516193A (en) | Device for imaging the inside of turbidity | |
| CN115590474A (en) | Parathyroid gland intraoperative recognition device | |
| CN205941349U (en) | Infrared gaseous disease detection auxiliary instrument | |
| WO2015104531A1 (en) | Bronchial gas analyser | |
| JP7280283B2 (en) | Olfactory leak detector with switching valve and buffer chamber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |