CN86204754U - Dynamic video display device of micro-circulation under high atmospheric pressure environment - Google Patents
Dynamic video display device of micro-circulation under high atmospheric pressure environment Download PDFInfo
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- CN86204754U CN86204754U CN 86204754 CN86204754U CN86204754U CN 86204754 U CN86204754 U CN 86204754U CN 86204754 CN86204754 CN 86204754 CN 86204754 U CN86204754 U CN 86204754U CN 86204754 U CN86204754 U CN 86204754U
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Abstract
The utility model discloses a device for observing, recording and displaying animals' microcirculation or the microcirculation of a human body on a screen under the hyperbaric environment. A video recorder, a TV display, a cold light source, a power supply box and a control box are arranged outside a compression chamber, and a microcirculation microscope and a working bench are arranged in the compression chamber. Light conducting fibers are led from the cold light source to be introduced into the compression chamber to extend near a microscope objective after sealed in a pressurization pipe, and a port of the pressurization pipe can be sealed by pressure-resistant filters; a television camera is encapsulated in a pressure-resistant member and is arranged in the compression chamber, the lens of the video camera is aimed at the interface of the microscope, and thereby, the observing people can directly observe in the compression chamber and can simultaneously carry out video record and screen display.
Description
This utility model relate to a kind of under hyperbaric environment to animal or human's body microcirculatory dynamic change observe and when observing, can synchronously carry out television recording and fluorescent screen device shown.
In diving and hyperbar medical domain, carry out the microcirculation morphology of animal or human's body and the research of hemorheology aspect, to the formation of bubble inside and outside the theory that reduces pressure, the decompression sickness blood vessel and the research that lapses to, significant values is arranged to the formulation of the monitoring of decompression sickness prevention, therapeutic effect and judgement, decompressing table and effect assessment and to more new capital of hyperbar medical knowledge.
But because the environment of diving or hyperbar medical research is special, not only the space is little, and the concentration and the dividing potential drop of oxygen all is higher than natural environment significantly in the environment of living in.Therefore must forbid common instrument, the high voltage (being generally 220 volts) when equipment uses to be introduced in the compression chamber.For this reason, voltage is dropped to below 36 volts, the safest is 24 volts.High temperature or spark when in addition, electric equipment uses all are potential danger.Hyperbar itself also can cause direct destruction to instrument, equipment.Therefore this has just limited the direct application in hyperbaric environment of a lot of armarium, diagnostic instruments greatly, has hindered developing rapidly of submarine medicine.
It is documented, in the hyperbar medical domain, existingly be used to study microcirculatory method and mainly be:
1, anesthetized animal is exposed under high pressure conditions the back, be decompressed to normal pressure again, then under normal pressure by traumatic or atraumatic approach, observe the microcirculation variation at positions such as mesentery, pia mater encephali, bulbar conjunctiva or cheek wrinkle.
2, the local organization of anesthetized animal is placed in the lucite inwall of the observation window in the compression chamber, changes from observing the microcirculation of above-mentioned local organization pressurization, decompression process by microscope outside window.
More than two kinds of methods all have weak point: can only change the microcirculation before and after the pressurization and contrast though the former is convenient to direct observation, and can not observe the pressure variation microcirculatory dynamic effect; Though the latter can pressurization, observe dynamic change in the decompression process but have after all a window every,, tube wall thin because of microcirculatory caliber factor thin, that influence hemodynamics is more, and to moving adjustment in the position that is placed on the animal or human soma in the window, so limitation is very big.And these two kinds of methods all adopt anaesthetic.Facts have proved that anaesthetic can cause microvascular expansion, suppress microvascular normal rhythm motion.Therefore, can not correctly reflect the practical situation of environmental change to a great extent to the microcirculation influence.
In recent years, television microscope has appearred in the development along with microcirculation microscope and television recording technology, and can televising video recording and carry out TV screen and show, thereby observed result can be preserved as data, can when testing, observe simultaneously again for many people.In addition, on the basis of assembling optional equipment, also can measure, trace the variation of blood vessels caliber, blood flow rate, make progressively quantification of microcirculatory observation.Yet said apparatus just is applicable to normal pressure and can not uses under hyperbaric environment.That is to say that the observer can not use said apparatus to come direct observation, TV demonstration and video recording are carried out in the microcirculatory dynamic change of animal under hyperbaric environment.
The purpose of this utility model is to provide a cover directly to dynamic observe the microcirculation of animal or human's body in hyperbaric environment and when carrying out this observation, observed result is synchronously carried out telerecording and fluorescent screen device shown for the observer.
Realize that above-mentioned purpose device of the present utility model comprises following equipment:
This device comprises that a microcirculation microscope, cold light source, television camera, videocorder, television image display and one settle the workbench of zoological specimens and power pack and control box, wherein:
Video cassette recorder, television indicator, cold light source and power pack and control box all place outside the compression chamber, lead is connected with control box power pack, this is because these electrical equipment all use 220 volts high-tension electricity by connecting, as place in the compression chamber, might cause the danger of fire, and cause these equipment to damage because of pressurized.
Microcirculation microscope directly places in the compression chamber.This is because no airtight requirement between the microscope each several part, and inner and outer air pressure can balance, die and all can normally use under high pressure and normal pressure.
Settle the workbench of animal or human's body also directly to place in the compression chamber, on workbench, have fixation clamp, the animal that will regain consciousness of a fixing clear-headed animal to place and be located in the fixation clamp under the microscopical object lens.Workbench can be the workbench that highly can regulate, and the support of microcirculation microscope can place on the workbench or directly place ground in the cabin.Can certainly adopt without support microscope is suspended on mode on the above-mentioned video camera.
From cold light source draw optical fibers, in bulkhead piece is introduced the cabin, then optical fibers is sealed in can bear in the highly compressed pressure pipe, pressure pipe one end and bulkhead sealing and fixing, the other end extends microcirculation microscope, port has certain distance apart from object lens, generally preferably 1-2 centimetre, and angled with object lens, best angle is 45 °.This port with the sealing of withstand voltage optical filter and sealing member, the permeable light wavelength of optical filter be preferably 4300～4700 dusts, because the light of this section wavelength can the part around the blood capillary of animal provide a kind of backcolor with high contrast, thereby bring convenience and make the television image definition height of recording and showing to observation.
Television camera is sealed in the pressure-proof components, then pressure-proof components is placed in the compression chamber, and the cable that lead is housed is drawn from control box, in bulkhead piece enters compression chamber and be sealed in the pressure pipe.Pressure pipe one end sealing and fixing is on the bulkhead piece of compression chamber, and the loam cake connecting hole of the other end and pressure-proof components connects, and adopts the air insulated in sealing member and the compression chamber.It is inner and be connected with the electric part of television camera that lead one end reaches pressure-proof components by pressure pipe, and the other end of lead stretches out behind the compression chamber with out of my cabin control box and is connected.The shooting hole that covers under the alignment lens pressure-proof components of television camera.Air in the shooting withstand voltage glass of Kong Youyi and sealing member and the compression chamber is isolated.Thereby make the air in electrical equipment such as whole video camera and light source thereof, electro-motor, optical fibers lead and the compression chamber isolated.So not only guaranteed the home condition of work, avoided instrument direct fail in compression and, and reached the purpose that under hyperbaric environment, obtains the microcirculation image observer's potential danger.
The pressure-proof components that video camera is housed is fixed on the locus of the certain altitude in the compression chamber,
The camera interface of the interface section of its lower end and microcirculation microscope upper end partly constitutes telescopic flexible connection.Camera lens is aimed at the shooting hole, and the shooting hole is aimed at the interface on the microcirculation microscope, and microcirculation microscope is adjusted to can the microcirculatory position of clear demonstration animal, and this position is roughly dropped near the focal length of camera lens.
In addition, in order to guarantee the clear picture of television image display, the reply video camera takes shielding measure to get rid of electromagnetic interference.Lower cover that for this reason must be by pressure-proof components constitutes the shell of video camera and pressure-proof components and is electrically connected.Because pressure-proof components links to each other with compression chamber by pressure pipe, so in fact played the effect of ground connection.
This utility model is in compression chamber under the environment that is equivalent to 0～80 meter depth of water from animal or human's body direct observation bulbar conjunctiva on one's body of regaining consciousness, the microcirculatory dynamic change in pressure process and in the decompression process of ear or people's positions such as nail fold will be played very big effect to the essence of being familiar with body saturated desaturation of inert gas in hyperbaric environment.This device not only can make the observer directly by microcirculation microscope clear-headed animal or human's body be observed in hyperbaric cabin, can also observe out of my cabin and observed result can be preserved by video-tape so that carrying out observational study and analysis repeatedly and can be used as scientific and technological data long preservation afterwards for many people by television camera, videocorder and display.Owing to when observing, do not adopt anaesthetic,, make observed result more realistic so eliminated the influence of this class medicine.In addition, because the clear-headed animal that is used to observe only need be taked temporary fixed, can recover the free position of animal at any time when not observing, according to the purpose of experimental design, this device can observation that experimentizes in several hours even tens hours continuously in hyperbaric environment where necessary.
In that this utility model made with the suitable air pressure in 0～80 meter depth of water environment of what of the air pressure in the compression chamber, temperature range is 5～50 ℃, the temperature difference of pressurization and decompression is controlled in 5～10 ℃, and optimum temperature is an ambient temperature, with 10～15 meters/minute speed pressurization.Advance the cabin observer can be from the eyepiece of microcirculation microscope by regulating the focal length in the microcirculation microscope and moving the lifting position of observing animal obtain to pressurize and the reduce pressure ideal image quality of different phase.This device can guarantee observer's safety.
Below in conjunction with accompanying drawing, most preferred embodiment of the present utility model is described in further detail, thereby makes the structure of installing in this utility model and advantage thereof more obviously, wherein:
Fig. 1, the structural representation of package unit in the most preferred embodiment of doing according to this utility model.
Fig. 2 is the structural representation of pressure-proof components in the foregoing description.
Referring now to Fig. 1,, this cover is used under hyperbaric environment the animal microcirculation being observed, and video recording, device shown are divided the two large divisions, and a part is put the outside of what compression chamber ［ 5 ］, and a part is put the inside of what compression chamber ［ 5 ］.Video cassette recorder ［ 8 ］ television indicator ［ 10 ］ (all adopting the Vo-2630CE videocorder) wherein.Cold light source ［ 6 ］ (LG-4 type cold light source) and power pack ［ 7 ］ and control box ［ 9 ］ are all put outside the what compression chamber ［ 5 ］, and these electrical equipment all use 220 volts high-tension electricity.
Microcirculation microscope ［ 1 ］ (WX-753B type microcirculation microscope) is directly put within the what compression chamber ［ 5 ］.This is because of no airtight requirement between the microscope ［ 1 ］, all can operate as normal under high pressure and normal pressure.Settle the workbench ［ 4 ］ of animal also directly to put in the what compression chamber ［ 5 ］, the fixation clamp ［ 2 ］ of a fixing clear-headed animal is arranged on workbench ［ 4 ］, the animal that will regain consciousness is put under the object lens that make its what microscope ［ 1 ］ in the what fixation clamp ［ 2 ］.Workbench ［ 4 ］ has a lifter plate ［ 14 ］, by the height of elevating mechanism ［ 13 ］ the scalable lifter plate ［ 14 ］ in the workbench ［ 4 ］.The support ［ 15 ］ of fixation clamp ［ 2 ］ and microscope ［ 1 ］ is placed on the lifting platform ［ 14 ］, can make observed animal be in microscope ［ 1 ］ by the height of regulating lifter plate ［ 14 ］ thus the focal range of object lens within can in microscope, obtain comparatively distinct image.Certainly as a kind of variant of present embodiment, the support ［ 15 ］ of microscope ［ 1 ］ also can be put ground in the what cabin, and the focal length of can adjust the telescope to one's eyes like this ［ 1 ］ is regulated separately.And in a kind of mode of pro-, when regulating objective focal length, can have influence on the optimum distance of the imaging of television camera ［ 11 ］.
Cold light source ［ 6 ］ is a kind of device that the hot light that high-tension electricity is produced is transformed into cold light after treatment, and this technology is well-known, no longer is described in detail.From cold light source ［ 6 ］ draw optical fibers ［ 16 ］ and be enclosed within can high voltage bearing metal hose, in bulkhead piece is introduced the cabin, one end of the pressure pipe in the cabin is fixed on the bulkhead piece place by nut and seal washer, the other end of this pressure pipe ［ 3 ］ is by filter glass and sealing member sealing, what cold light source provided is photochromic, can adopt orange (wavelength is 5900～6000 dusts), green (wavelength is 5000～5300 dusts), white (wavelength is 3800～7600 dusts), blue color (wavelength is 4300～4700 dusts), facts have proved blue coloured light best photochromic when observing.So, this filter glass is good with the filter glass that can see through 4300～4700 angstroms wavelengths, will hold ［ 3 ］ to put near the object lens of what microscope ［ 1 ］, and port is 1～2 centimetre apart from the distance of object lens, and the angle at 45 with the object lens structure, for the bulbar conjunctiva of tested animal provides illumination.
Referring now to Fig. 2,, this is a structural representation of settling the pressure-proof components ［ 12 ］ of television camera ［ 11 ］ (1320 miniature TV camera), this pressure-proof components is by housing ［ 17 ］, loam cake ［ 18 ］ and lower cover ［ 19 ］ constitute, loam cake ［ 18 ］ uses fastening bolt ［ 24 ］ and seal washer ［ 29 ］ to constitute dismountable being tightly connected so that after video camera ［ 11 ］ is put into housing ［ 17 ］ housing ［ 17 ］ is sealed with housing ［ 17 ］ respectively, one upper end connecting hole ［ 20 ］ is arranged on the loam cake ［ 18 ］, the pressure pipe ［ 22 ］ that cable ［ 23 ］ will be housed by attaching nut ［ 21 ］ is sealedly connected on loam cake ［ 18 ］ and goes up and make the lead in the cable to be connected with electric part in the television camera, and the other end stretches out compression chamber and is connected with out of my cabin control box.Just as shown in fig. 1, this cable ［ 23 ］ that lead is housed is to be extracted and in bulkhead piece enters compression chamber and seal in the what pressure pipe ［ 22 ］ by control box ［ 9 ］, and one of pressure pipe ［ 22 ］ fix with bulkhead, the other end as mentioned above, and is fixing with the loam cake ［ 18 ］ of pressure-proof components ［ 12 ］.Video camera hole ［ 28 ］ is arranged on the lower cover ［ 19 ］, and the camera lens of video camera ［ 11 ］ is aimed at video camera hole ［ 28 ］.Have inner sleeve ［ 26 ］ on the lower cover ［ 19 ］, withstand voltage glass ［ 25 ］ and seal washer ［ 29 ］ are housed on inner sleeve so that isolated with the air in the compression chamber.One trocar sheath ［ 27 ］ that links to each other with microscope ［ 1 ］ is enclosed within on the inner sleeve ［ 26 ］, adopt between the inside and outside sleeve pipe and be slidingly matched, thereby trocar sheath is moved up and down, so that regulate the object lens image-forming range of microscope ［ 1 ］, when designing, should be with adjustable scope about the microscope, the distance that just inside and outside sleeve pipe moves up and down drops near the focal length of camera lens of video camera, assurance can be adjusted to microscope and video camera near separately the focal length simultaneously, make the video recording of microscope and video camera synchronously, reach comparatively ideal results.In the present embodiment, inside and outside sleeve pipe up and down movably relative distance be 40～65mm, the best is 56mm.It should be noted that in addition, as shown in the figure, can pass through inner sleeve ［ 26 ］ by what video camera ［ 11 ］ and pressure-proof components ［ 12 ］, trocar sheath ［ 27 ］ is connected with lower cover ［ 19 ］, and these parts are metal, be electrically connected so video camera ［ 11 ］ and pressure-proof components ［ 12 ］ constitute, and pressure-proof components ［ 12 ］ are electrically connected by metal pressure pipe ［ 22 ］ and compression chamber formation, so can play shielding action to video camera, prevent electromagnetic interference.
Certain a kind of variant as present embodiment, also can be the threaded engagement of rotation between the above-mentioned inside and outside sleeve pipe, can regulate microscopical lifting by the rotation between the internal and external casing like this, thereby reach the purpose of the focal length of regulating camera lens, can further regulate simultaneously the focal length of microscope objective by the micromatic setting that microscope itself is had, this moment, microscope can be without support.
Claims (4)
1, a kind of under hyperbaric environment to the microcirculation of animal or human's body observe, video recording and fluorescent screen device shown, of the present utility model being characterised in that, it comprises following equipment: a microcirculation microscope, a cold light source, a television camera, a television image display and workbench and a power pack and a control box of settling animal or human's body, wherein:
Above-mentioned video cassette recorder, television indicator, cold light source and power pack and control box all place outside the compression chamber, and power pack joins by being connected lead with control box;
Microcirculation microscope directly places in the compression chamber;
Settle the workbench of animal or human's body directly to place in the compression chamber, a fixing fixation clamp of animal is arranged on workbench, fixation clamp is positioned under the microscope;
Part in the fibre-optic introducing cabin that above-mentioned cold light source is drawn is sealed in can bear in the highly compressed pressure pipe, pressure pipe one end and bulkhead are fixed, the other end extends microcirculation microscope object lens vicinity, and this end port is sealed by optical filter and sealing member that can be withstand voltage;
Television camera is sealed in the pressure-proof components, this pressure-proof components is fixed on the locus of certain altitude in the compression chamber, part in the introducing cabin of the cable that lead is housed that the cable that lead is housed is drawn from control box is sealed in the pressure pipe, pressure pipe one end sealing and fixing is on the bulkhead piece of compression chamber, the upper end connecting hole that covers on the other end and the pressure-proof components connects and is sealed by sealing member, lead one end in the cable is connected with the electric part of television camera, the part that the other end stretches out compression chamber is connected with control box, the video camera hole that covers under the alignment lens of television camera, the video camera hole is isolated by the air in a withstand voltage glass and sealing member and the compression chamber;
The interface section of pressure-proof components lower end of camera and the interface section of microcirculation microscope upper end are housed constitute telescopic flexible connection, the shell of above-mentioned camera and pressure-proof components constitutes by withstand voltage lower cover and is electrically connected.
According to the device described in the claim 1, it is characterized in that 2, it can be the filter disc of the light wave of 4300 to 4700 dusts by wavelength that above-mentioned withstand voltage optical filter adopts.
3, according to the device described in claim 1 or 2, it is characterized in that, above-mentioned workbench has height-adjustable lifter plate, the support of fixation clamp and microcirculation microscope is placed on the lifting platform, above-mentioned microcirculation microscope has support, the interface section of the lower end of above-mentioned pressure-proof components has inner sleeve for covering down, and the interface section on the above-mentioned microcirculation microscope has trocar sheath with matching, between the inside and outside sleeve pipe for being slidingly matched.
4, according to the device described in claim 1 or 2, it is characterized in that, above-mentioned workbench has height-adjustable lifter plate, the support of fixation clamp and microcirculation microscope is placed on the lifting platform, above-mentioned microcirculation microscope has support, the interface section of the lower end of above-mentioned pressure-proof components has inner sleeve for covering down, and the interface section on the above-mentioned microcirculation microscope has trocar sheath with matching, between the inside and outside sleeve pipe for being slidingly matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86204754 CN86204754U (en) | 1986-11-04 | 1986-11-04 | Dynamic video display device of micro-circulation under high atmospheric pressure environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86204754 CN86204754U (en) | 1986-11-04 | 1986-11-04 | Dynamic video display device of micro-circulation under high atmospheric pressure environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86204754U true CN86204754U (en) | 1987-09-30 |
Family
ID=4807736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86204754 Withdrawn CN86204754U (en) | 1986-11-04 | 1986-11-04 | Dynamic video display device of micro-circulation under high atmospheric pressure environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86204754U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401922A (en) * | 2014-09-17 | 2015-03-11 | 南通大学 | Automatic dumping device for hyperbaric chamber cell culture reagent |
| CN105645339A (en) * | 2014-09-17 | 2016-06-08 | 南通大学 | Automatic hyperbaric chamber cell culture reagent pouring device capable of improving experiment efficiency |
-
1986
- 1986-11-04 CN CN 86204754 patent/CN86204754U/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401922A (en) * | 2014-09-17 | 2015-03-11 | 南通大学 | Automatic dumping device for hyperbaric chamber cell culture reagent |
| CN104401922B (en) * | 2014-09-17 | 2016-05-25 | 南通大学 | Hyperbaric chamber cell culture reagent automatic tipping device |
| CN105645339A (en) * | 2014-09-17 | 2016-06-08 | 南通大学 | Automatic hyperbaric chamber cell culture reagent pouring device capable of improving experiment efficiency |
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| CF01 | Termination of patent right due to non-payment of annual fee |