CN111672817A - Cleaning device for decalcified bone slices - Google Patents
Cleaning device for decalcified bone slices Download PDFInfo
- Publication number
- CN111672817A CN111672817A CN202010589308.XA CN202010589308A CN111672817A CN 111672817 A CN111672817 A CN 111672817A CN 202010589308 A CN202010589308 A CN 202010589308A CN 111672817 A CN111672817 A CN 111672817A
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- China
- Prior art keywords
- arc
- shaped groove
- circular ring
- barrel body
- cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
Abstract
The invention relates to a cleaning device after decalcification of an orthopedic slice, which effectively solves the problems that the cleaning of a running water washing decalcification agent is not thorough and the bone structure is easy to damage; the technical scheme includes that the device comprises a cylinder body, a plurality of air inlet pipes are uniformly distributed on the circumference of the side wall of the cylinder body, a tapered hole with a downward small end is formed in the top of the cylinder body, a tapered plug matched with the tapered hole is installed in the tapered hole, a pressing plate is installed above the tapered plug in the straight hole, a pressure spring is installed between the pressing plate and the tapered plug, a vertical pressing rod is fixed at the upper end of the pressing plate, an end face cam is installed at the top of the cylinder body, and the pressing rod and the pressing plate can be pushed to move up and down; the bone specimen decalcifying agent cleaning device can effectively clean the decalcifying agent in the pores of the bone specimen, and simultaneously, the cleaning liquid is stirred by the gas to wash the surface of the bone specimen, so that the bubbles formed by the gas can further improve the exchange efficiency of the cleaning liquid inside and outside the bone specimen, further improve the cleaning effect and the cleaning efficiency, and simultaneously can not damage the structure of the bone specimen.
Description
Technical Field
The invention relates to the field of orthopedics, in particular to a cleaning device for decalcified orthopedic slices.
Background
In the preparation of a specimen for orthopedics department, a pathological section can be prepared only after the decalcification treatment of hard bones by using an acid solution, and the decalcification agent needs to be thoroughly cleaned after the decalcification so as not to influence the flaking and cell staining; at present, the bone is washed by running water, but the bone is in a porous structure, so that the running water can wash out the decalcifying agent on the surface of the bone, but the cleaning effect on the decalcifying agent remained in pores of the bone is not thorough, and the running water can wash out the loosened bone to easily damage the bone structure, so that a bone specimen capable of accurately reflecting pathology cannot be prepared.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a cleaning device for the decalcified bone slices, which effectively solves the problems that the flowing water washing decalcifying agent is not thoroughly cleaned and is easy to damage the bone structure.
The technical scheme for solving the problem is that the cleaning device for the decalcified orthopedic slices comprises a vertical round barrel, wherein a plurality of air inlet pipes are uniformly distributed on the side wall of the barrel in the circumferential direction, the inner ends of the air inlet pipes are inclined towards the same side, and the air inlet pipes are connected with air pumping devices; the top of the barrel is provided with a tapered hole with a downward small end, the upper end of the tapered hole is connected with a vertical straight hole, a tapered plug matched with the tapered hole is arranged in the tapered hole, a horizontal pressing plate with a hole is arranged in the straight hole, a pressure spring is arranged between the pressing plate and the tapered plug, a vertical pressing rod is fixed at the upper end of the pressing plate, the upper end of the pressing rod extends out of the straight hole, a horizontal end face cam is arranged at the top of the barrel, the upper end of the pressing rod is in contact with the lower surface of the end face cam, and the end face cam can push the pressing rod to move up and down; the barrel is provided with a water inlet device and a water outlet device, and the water inlet device and the water outlet device can change water in the barrel at regular time.
According to the invention, through the periodic change of the gas pressure, the cleaning liquid is repeatedly exchanged in the pores of the bone specimen, so that the decalcifying agent in the pores of the bone specimen is effectively cleaned, meanwhile, the cleaning liquid is stirred by the gas to clean the surface of the bone specimen, bubbles formed by the gas can further improve the exchange efficiency of the cleaning liquid inside and outside the bone specimen, the cleaning effect and the cleaning efficiency are further improved, and meanwhile, the structure of the bone specimen cannot be damaged.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a front sectional view of the present invention.
FIG. 3 is a top cross-sectional view of the water intake device position.
FIG. 4 is a top cross-sectional view of the water outlet device position.
Figure 5 is a top cross-sectional view of the upper set of inlet leg positions.
Figure 6 is a top cross-sectional view of the lower set of inlet leg locations.
Fig. 7 is an enlarged view of the position a in fig. 2.
Fig. 8 is an enlarged view of the position B in fig. 2.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 8, the air-pumping device comprises a vertical round barrel body 1, a plurality of air inlet pipes 2 are uniformly distributed on the side wall of the barrel body 1 in the circumferential direction, the inner ends of the air inlet pipes 2 are inclined towards the same side, and the air inlet pipes 2 are connected with an air pumping device; the top of the barrel body 1 is provided with a tapered hole 3 with a downward small end, the upper end of the tapered hole 3 is connected with a vertical straight hole 4, a tapered plug 5 matched with the tapered hole 3 is installed in the tapered hole 3, a horizontal pressing plate 6 with holes is installed in the straight hole 4, a pressing spring 7 is installed between the pressing plate 6 and the tapered plug 5, a vertical pressing rod 8 is fixed at the upper end of the pressing plate 6, the upper end of the pressing rod 8 extends out of the straight hole 4, a horizontal end face cam 9 is installed at the top of the barrel body 1, the upper end of the pressing rod 8 is in contact with the lower surface of the end face cam 9, and the end face cam 9 rotates to push the pressing rod 8 to move up and down; the barrel 1 is provided with a water inlet device and a water outlet device, and the water inlet device and the water outlet device can change water in the barrel 1 at regular time.
The water inlet device comprises a first horizontal arc-shaped groove 10 arranged at the upper end of the side wall of the barrel body 1, the first arc-shaped groove 10 is communicated with the inside and the outside of the barrel body 1, a first circular ring 11 which is attached to the outer wall of the barrel body 1 and can rotate is installed outside the first arc-shaped groove 10, a first radial hole 12 is formed in the first circular ring 11, a first arc-shaped plate 13 fixed on the side wall of the barrel body 1 is arranged outside the first circular ring 11, the first arc-shaped plate 13 is attached to the first circular ring 11, a second arc-shaped groove 14 is formed in the inner side of the first arc-shaped plate 13, the second arc-shaped groove 14 is opposite to the first arc-shaped groove 10, the first arc-shaped groove 12 and the second arc-shaped groove 14 can be communicated when rotating to the position between the first arc-shaped groove 10 and the second arc-shaped groove 14, and the second arc.
The water outlet device comprises a horizontal third arc-shaped groove 16 arranged at the lower end of the side wall of the barrel body 1, the third arc-shaped groove 16 is communicated with the inside and the outside of the barrel body 1, a second ring 17 which is attached to the outer wall of the barrel body 1 and can rotate is installed outside the third arc-shaped groove 16, a second radial hole 18 is formed in the second ring 17, a second arc-shaped plate 19 fixed on the side wall of the barrel body 1 is arranged outside the second ring 17, the second arc-shaped plate 19 is attached to the second ring 17, a fourth arc-shaped groove 20 is formed in the inner side of the second arc-shaped plate 19, the fourth arc-shaped groove 20 is opposite to the third arc-shaped groove 16, the second arc-shaped groove 17 rotates, the second radial hole 18 can be communicated with the third arc-shaped groove 16 and the fourth arc-shaped groove 20 when rotating to a position between the third arc-shaped groove 16 and the.
The air inlet pipes 2 are provided with two groups which are arranged at intervals up and down, each group comprises a plurality of air inlet pipes which are uniformly distributed on the side wall of the cylinder body 1 in a circumferential manner, the inner ends of each group of air inlet pipes 2 are inclined towards the same side, and the inclination directions of the inner ends of the two groups of air inlet pipes 2 are opposite; when two sets of intake pipe 2 admit air in to barrel 1, can promote the liquid flow in the barrel 1, because the slope of two sets of intake pipe 2 is reverse opposite again, consequently can avoid the liquid in the barrel 1 to form stable swirl to play the effect of stirring liquid in the barrel 1.
The rotating speed of the first circular ring 11 is the same as that of the second circular ring 17, in the rotating process, the second radial hole 18 firstly connects the third arc-shaped groove 16 with the fourth arc-shaped groove 20, the first radial hole 12 then connects the first arc-shaped groove 10 with the second arc-shaped groove 14, and the third arc-shaped groove 20 and the fourth arc-shaped groove 20 are not connected with the first arc-shaped groove 14 and the second arc-shaped groove 14 at the same time, so that water is firstly drained in the cylinder body 1 and then enters water.
And sealing rings 30 are arranged at the notches of the first arc-shaped groove 10, the second arc-shaped groove 14, the third arc-shaped groove 16 and the fourth arc-shaped groove 20, which are in contact with the first circular ring 11 or the second circular ring 17, so that the sealing performance of the notches is ensured.
The balls 31 are arranged between the first circular ring 11 and the side wall of the cylinder body 1 and between the second circular ring 17 and the side wall of the cylinder body 1, so that the first circular ring 11 and the second circular ring 17 can flexibly rotate.
The upper end surface of the cylinder body 1 is an openable end cover 32.
A horizontal screen plate 33 is installed in the cylinder body 1, the screen plate 33 is higher than the lower air inlet pipe 2, and the screen plate 33 can prevent the bone specimen from sinking to the bottom.
When the bone specimen cleaning device is used, firstly, the end cover 32 is opened, a bone specimen is placed in the cylinder body 1, then, cleaning liquid is added into the cylinder body 1 until the cleaning liquid is submerged in the air inlet pipe 2 above the end cover, then, the end cover 32 is covered, and in the initial position, the conical plug 5 is tightly attached to the inner wall of the conical hole 3 under the action of the pressure spring 7; start driving motor 29 and pump gas device, pump gas device pumps into clean air to barrel 1 in, two sets of intake pipe 2 can stir the washing liquid when pump gas to barrel 1 in, make the washing liquid wash thigh mark originally, and simultaneously, atmospheric pressure in the barrel 1 can rise gradually, when atmospheric pressure risees to the pretightning force that is greater than pressure spring 7, thereby atmospheric pressure can promote the pressure upward movement that pressure spring 7 was overcome to toper stopper 5 and make bell mouth 3 open, pressure release in the barrel 1, the gas in the barrel 1 equals the pretightning force of pressure spring 7 to the pressure of toper stopper 5 all the time promptly, atmospheric pressure in the barrel 1 can make the comprehensive infiltration of washing liquid get into in the hole of bone sample.
When air is pumped into the cylinder 1, the driving motor 29 is driven by the driving shaft 25, the third driving gear 26 and the third driven gear 24 drive the end face cam 9 to rotate, the end face cam 9 pushes the pressing rod 8 and the pressing plate 6 to move up and down, the pretightening force of the pressing spring 7 is increased when the pressing plate 6 moves down, the air pressure of the cylinder 1 is increased, when the pressing plate 6 moves up, the pretightening force of the pressing spring 7 is reduced, the air pressure in the cylinder 1 is reduced, and therefore the air pressure in the cylinder 1 is periodically fluctuated; during the process of increasing the air pressure, the cleaning fluid is caused to comprehensively permeate into pores of the bone specimen by the air pressure, and during the process of reducing the air pressure, the cleaning fluid in the bone specimen reversely permeates outwards, so that the cleaning fluid inside and outside the bone specimen is repeatedly exchanged, and the decalcifying agent remained in the bone specimen is cleaned out during the process; intake pipe 2 can produce a large amount of bubbles when pumping to barrel 1, and bubble and bone specimen surface contact make the inside and outside washing liquid concentration difference that forms of bone specimen, further accelerate the inside and outside infiltration of washing liquid of bone specimen, improve the cleaning efficiency.
The driving shaft 25 drives the first circular ring 11 to rotate through the first driving gear 27 and the first driven gear 22, the second circular ring 17 is driven to rotate through the second driving gear 23 and the second driven gear 23, the rotating speed of the first circular ring 11 is the same as that of the second circular ring 17, when the second radial hole 18 connects the third arc-shaped groove 16 with the fourth arc-shaped groove 20, the cleaning liquid in the cylinder body 1 is drained through the third arc-shaped groove 16, the second radial hole 18, the fourth arc-shaped groove 20 and the water outlet pipe 21, along with the rotation of the second circular ring 17, the second radial hole 18 passes through the third arc-shaped groove 16 and the fourth arc-shaped groove 20, the third arc-shaped groove 16 is not connected with the fourth arc-shaped groove 20, then the first circular ring 11 rotates to the first radial hole 12 to connect the first arc-shaped groove 10 with the second arc-shaped groove 14, the water inlet pipe 15 injects the cleaning liquid into the cylinder body 1 through the second arc-shaped groove 14, the first radial hole 12 and the first arc-shaped groove 10, along with the rotation of the first circular ring 11, the first radial hole 12 passes through the first arc-shaped groove 10 and the second arc-shaped groove 14, the first arc-shaped groove 10 is not communicated with the second arc-shaped groove 14, and the injection of the cleaning liquid is stopped; through the rotation of first ring 11 and second ring 17, realize barrel 1 internal periodical water change, improve the cleaning performance.
After the bone specimen is cleaned, the end cap 32 is opened and the bone specimen is removed.
According to the invention, through injecting gas into the barrel body 1 and matching with the periodic motion of the end face cam 9 and the conical plug 5, the periodic change of the pressure in the barrel body 1 is realized, so that the cleaning liquid is repeatedly exchanged in the pores of the bone specimen, the decalcifying agent in the pores of the bone specimen is effectively cleaned, meanwhile, the cleaning liquid is stirred by the gas to wash the surface of the bone specimen, the bubbles formed by the gas can further improve the exchange efficiency of the cleaning liquid inside and outside the bone specimen, the cleaning effect and the cleaning efficiency are further improved, and meanwhile, the structure of the bone specimen cannot be damaged; through the rotation of first ring 11 and second ring 17, can realize changing liquid regularly in the barrel 1, wash the bone sample many times, make the washing more thorough.
Claims (10)
1. The cleaning device for the decalcified bone slices is characterized by comprising a vertical round barrel (1), wherein a plurality of air inlet pipes (2) are uniformly distributed on the side wall of the barrel (1) in the circumferential direction, the inner ends of the air inlet pipes (2) are inclined towards the same side, and the air inlet pipes (2) are connected with an air pumping device; the top of the barrel body (1) is provided with a conical hole (3) with a downward small end, the upper end of the conical hole (3) is connected with a vertical straight hole (4), a conical plug (5) matched with the conical hole (3) is installed in the conical hole (3), a horizontal pressing plate (6) with holes is installed in the straight hole (4), a pressure spring (7) is installed between the pressing plate (6) and the conical plug (5), a vertical pressing rod (8) is fixed at the upper end of the pressing plate (6), the upper end of the pressing rod (8) extends out of the straight hole (4), a horizontal end face cam (9) is installed at the top of the barrel body (1), the upper end of the pressing rod (8) is in contact with the lower surface of the end face cam (9), and the end face cam (9) rotates to push the pressing rod (8) to move up and down; the water inlet device and the water outlet device are arranged on the barrel body (1) and can change water in the barrel body (1) at regular time.
2. The orthopedic slice decalcification post-cleaning device according to claim 1, wherein the water inlet device comprises a horizontal first arc-shaped groove (10) arranged at the upper end of the side wall of the barrel body (1), the first arc-shaped groove (10) is communicated with the inside and the outside of the barrel body (1), a first circular ring (11) which is jointed with the outer wall of the barrel body (1) and can rotate is arranged outside the first arc-shaped groove (10), a first radial hole (12) is arranged on the first circular ring (11), a first arc-shaped plate (13) fixed on the side wall of the barrel body (1) is arranged outside the first circular ring (11), the first arc-shaped plate (13) is jointed with the first circular ring (11), a second arc-shaped groove (14) is arranged at the inner side of the first arc-shaped plate (13), the second arc-shaped groove (14) is opposite to the first arc-shaped groove (10), and the first arc-shaped groove (10) and the second arc-shaped groove (14) can be communicated when the first arc-shaped groove (12) rotates, the second arc-shaped groove (14) is connected with a water inlet pipe (15).
3. The orthopedic slice decalcification post-cleaning device according to claim 1, wherein the water outlet device comprises a horizontal third arc-shaped groove (16) arranged at the lower end of the side wall of the barrel body (1), the third arc-shaped groove (16) is communicated with the inside and the outside of the barrel body (1), a second circular ring (17) which is jointed with the outer wall of the barrel body (1) and can rotate is arranged outside the third arc-shaped groove (16), a second radial hole (18) is arranged on the second circular ring (17), a second arc-shaped plate (19) fixed on the side wall of the barrel body (1) is arranged outside the second circular ring (17), the second arc-shaped plate (19) is jointed with the second circular ring (17), a fourth arc-shaped groove (20) is arranged at the inner side of the second arc-shaped plate (19), the fourth arc-shaped groove (20) is opposite to the third arc-shaped groove (16), and the second arc-shaped groove (18) and the fourth arc-shaped groove (20) can be communicated when the second arc-shaped groove (18) rotates to the third arc-shaped groove (16) and the fourth arc-shaped, the fourth arc-shaped groove (20) is connected with a water outlet pipe (21).
4. The orthopedic slice decalcification post-cleaning device according to claim 1, wherein the air inlet pipes (2) are provided with two groups which are arranged at intervals up and down, each group comprises a plurality of air inlet pipes which are circumferentially and uniformly distributed on the side wall of the cylinder body (1), the inner ends of each group of air inlet pipes (2) are inclined towards the same side, and the inclination directions of the inner ends of the two groups of air inlet pipes (2) are opposite.
5. The orthopedic slice decalcification post-cleaning device according to claim 2 or 3, wherein the first ring (11) and the second ring (17) rotate at the same speed, and during the rotation, the second radial hole (18) firstly connects the third arc-shaped groove (16) and the fourth arc-shaped groove (20), the first radial hole (12) then connects the first arc-shaped groove (10) and the second arc-shaped groove (14), and the third arc-shaped groove (20) and the fourth arc-shaped groove (20) are not connected with the first arc-shaped groove (14) at the same time, so that the water is discharged firstly and then fed into the barrel (1).
6. The orthopedic slice decalcification post-cleaning device according to claim 2 or 3, wherein the outer wall of the first ring (11) is provided with a first driven gear (22), the outer wall of the second ring (17) is provided with a second driven gear (23), the outer wall of the end cam (9) is provided with a third driven gear (24), a vertical driving shaft (25) is arranged outside the barrel (1), the driving shaft (25) is sequentially provided with a third driving gear (26), a first driving gear (27) and a second driving gear (28) from top to bottom, the first driving gear (27) is meshed with the first driven gear (22), the second driving gear (28) is meshed with the second driven gear (23), the third driving gear (26) is meshed with the third driven gear (24), the driving shaft (25) is connected with a driving motor (29), and the driving motor (29) can drive the end cam (9) through three groups of gears, The first ring (11) and the second ring (17) rotate.
7. The orthopedic slice decalcification post-cleaning device according to claim 1, wherein the notches of the first arc-shaped groove (10), the second arc-shaped groove (14), the third arc-shaped groove (16) and the fourth arc-shaped groove (20) which are in contact with the first circular ring (11) or the second circular ring (17) are all provided with a sealing ring (30).
8. The device for cleaning the decalcified bone slices according to claim 2 or 3, wherein balls (31) are respectively arranged between the first circular ring (11) and the side wall of the barrel body (1) and between the second circular ring (17) and the side wall of the barrel body (1), so that the first circular ring (11) and the second circular ring (17) can flexibly rotate.
9. The device for cleaning the decalcified bone slices according to claim 1, wherein the upper end surface of the cylinder body (1) is an openable end cover (32).
10. The device for cleaning the decalcified bone slices according to claim 1, wherein a horizontal mesh plate (33) is installed in the barrel body (1), the mesh plate (33) is higher than the lower group of air inlet pipes (2), and the mesh plate (33) can prevent the bone specimen from sinking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010589308.XA CN111672817B (en) | 2020-06-24 | 2020-06-24 | Cleaning device for decalcified bone slices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010589308.XA CN111672817B (en) | 2020-06-24 | 2020-06-24 | Cleaning device for decalcified bone slices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111672817A true CN111672817A (en) | 2020-09-18 |
| CN111672817B CN111672817B (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010589308.XA Active CN111672817B (en) | 2020-06-24 | 2020-06-24 | Cleaning device for decalcified bone slices |
Country Status (1)
| Country | Link |
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| CN (1) | CN111672817B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116371799A (en) * | 2023-06-05 | 2023-07-04 | 山东中医药大学附属医院 | Bone sample section decalcification belt cleaning device |
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| US6216710B1 (en) * | 1999-02-05 | 2001-04-17 | Caterpillar Inc. | Method and apparatus for removing quench oil from a permeable metal part |
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| CN108404231A (en) * | 2018-03-30 | 2018-08-17 | 河南威浦仕医疗科技有限公司 | It is a kind of can automatic drain abdominocentesis drainage device |
| CN109632379A (en) * | 2019-01-31 | 2019-04-16 | 安呈波 | A kind of water body timing section sampling apparatus |
| CN109860084A (en) * | 2019-02-28 | 2019-06-07 | 重庆小马智诚科技有限责任公司 | Intelligent chip production crystal column surface cleaning device |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6216710B1 (en) * | 1999-02-05 | 2001-04-17 | Caterpillar Inc. | Method and apparatus for removing quench oil from a permeable metal part |
| CN101098746A (en) * | 2004-12-24 | 2008-01-02 | 西门子水技术公司 | Cleaning in membrane filtration systems |
| CN207620056U (en) * | 2017-12-07 | 2018-07-17 | 吴强 | A kind of shunting device convenient for switching liquid flow direction |
| CN108404231A (en) * | 2018-03-30 | 2018-08-17 | 河南威浦仕医疗科技有限公司 | It is a kind of can automatic drain abdominocentesis drainage device |
| CN109632379A (en) * | 2019-01-31 | 2019-04-16 | 安呈波 | A kind of water body timing section sampling apparatus |
| CN109860084A (en) * | 2019-02-28 | 2019-06-07 | 重庆小马智诚科技有限责任公司 | Intelligent chip production crystal column surface cleaning device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116371799A (en) * | 2023-06-05 | 2023-07-04 | 山东中医药大学附属医院 | Bone sample section decalcification belt cleaning device |
| CN116371799B (en) * | 2023-06-05 | 2023-12-08 | 山东中医药大学附属医院 | Bone sample section decalcification belt cleaning device |
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| Publication number | Publication date |
|---|---|
| CN111672817B (en) | 2022-05-17 |
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