CN1085517A - Automatic loading apparatus for gel type Tc-99 m generator - Google Patents

Automatic loading apparatus for gel type Tc-99 m generator Download PDF

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Publication number
CN1085517A
CN1085517A CN 92111130 CN92111130A CN1085517A CN 1085517 A CN1085517 A CN 1085517A CN 92111130 CN92111130 CN 92111130 CN 92111130 A CN92111130 A CN 92111130A CN 1085517 A CN1085517 A CN 1085517A
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Prior art keywords
bottle
switch
upper prop
blockage
cow
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CN 92111130
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Chinese (zh)
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CN1035736C (en
Inventor
杨枝金
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Chengdu CNNC Gaotong Isotope Corp.
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Nuclear Power Institute of China
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Abstract

The present invention discloses a kind of technetium-99m producer automatic subpackaging device, and this device is by " cow " post of elevated tank, upper prop bottle, the plumbous cover shielding of band, and blockage-eliminating device, deposition bottle, negative pressure box, syringe, cracking cup, discharge opeing cup, filter and control desk are formed.Utilize leacheate in the elevated tank and the tap water in the negative pressure box to realize automatic subpackaging for power, each packing number of packages is many, and speed is fast, pollution-free, and product design meets the pharmacopeia requirement, can be suitable for the batch manufacturing of this type of producer.

Description

Automatic loading apparatus for gel type Tc-99 m generator
The invention belongs to a kind of medical radioisotope packaging device, be specifically related to a kind of automatic loading apparatus for gel type Tc-99 m generator that is suitable for batch manufacturing.
99mTc is a kind of important medical radioisotope, a kind of radiodiagnosis medicine of Chang Zuowei.It is by its parent 99The Mo decay, the hot molybdic acid zirconium acyl particle that will contain parent installs in the glass column together with its leacheate branch, promptly makes medical 99mThe Tc producer is commonly called as molybdenum-technetium " cow ".Because parent element 99The Mo half life period is short, is 66.02 hours, daughter 99mThe Tc half life period is shorter, only 6.02 hours, so require the production cycle short as far as possible, to prolong its period of service, also will meet the pharmacopeia requirement simultaneously.Shown in Figure 5 is a kind of commonly used 99mTc producer packaging device, it mainly comprises the cracking cup 19 that is placed in the hot cell, " cow " post 21 and the surge flask 23 that places on the fixed mount 22 of having plumbous cover 20 shieldings, and the syringe 24 that is located at the proparea, hot cell, above-mentioned each parts are communicated with sebific duct respectively, use syringe that molybdic acid zirconium acyl sucking-off in the cracking cup and branch are installed in " cow " post, adorn post one by one.Operating personal enters the hot cell subsequently, and the plumbous cover of dismounting proposes the hot cell, carries out operations such as large volume drip washing again.Use this device separate-loading packaging slow, go out to pile delivery from target spare and take about 70 hours, upper prop one " cow " takes 30～45 minutes, moreover because of the hot cell area is little, once can only arrange 10 plumbous covers, and output is few; Because whole minute process of assembling is to carry out under open condition, the time is long again, so product is subject to bacterium, thermal source pollutes, causes product to be difficult to reach the pharmacopeia requirement; Hot material often occurs in the branch process of assembling and spill, pollute the hot cell, add remaining molybdic acid zirconium acyl in surge flask and the sebific duct, the staff who feeds the hot cell operation brings very high radiation hazards.This in sum packaging device is unsuitable for gel-type 99mThe batch production requirement of Tc producer.
The purpose of this invention is to provide that a kind of upper prop speed is fast, the automatic loading apparatus for gel type Tc-99 m generator that is suitable for batch manufacturing of good product quality, safety of operation.
The present invention is achieved in that a kind of technetium-99m producer automatic subpackaging device comprises the cracking cup that is interconnected, " cow " post and the syringe of the plumbous cover shielding of band, this device also is provided with elevated tank, upper prop bottle, blockage-eliminating device, deposition bottle, negative pressure box and control desk.The elevated tank bottom is provided with two liquid outlets, one of them liquid outlet is communicated with by the set inlet in leacheate by-pass cock K1, sebific duct and feed liquor K switch 2 and upper prop bottle bottom, and another liquid outlet links to each other with the unimpeded K switch 5 of blockage-eliminating device with unimpeded hydraulic control system K switch 4 by sebific duct; Upper prop bottle top links to each other with sebific duct with syringe, upper prop bottle top is provided with overflow pipe, and the overflow pipe lower end connects a sebific duct and filter, and upper prop bottle bottom also is provided with liquid outlet, be communicated with the import of " cow " post through fluid K switch 3, " cow " column outlet is communicated with blockage-eliminating device; The outlet of blockage-eliminating device links to each other with deposition bottle inlet by another unimpeded K switch 6, and deposition bottle top exit is communicated with sebific duct with the inlet at negative pressure box top; The negative pressure box top also is provided with exhaust admission port and water inlet, and the bottom is provided with discharge side, and the exhaust admission port is communicated with atmosphere by exhaust air inlet switch K7, and water inlet is connected with water pipe by running water switch K10, and discharge side connects the display pipeline; Leacheate by-pass cock K1, unimpeded hydraulic control system K switch 4 and blockage-eliminating device fire switch K9 are installed in the control desk.
In this device, the leacheate and the interior tap water of negative pressure box that are in the elevated tank are the power of total system, the upper prop bottle is the critical component of total system, and the deposition bottle is to prevent that excessive molybdic acid zirconium acyl from entering the display pipeline, and filter is for removing bulky grain molybdic acid zirconium acyl to guarantee safe upper prop.Disconnect K2 and K3, be drawn into the upper prop bottle with the molybdic acid zirconium acyl of syringe after by filter with cracking, connect K2, regulate K1, in the upper prop bottle, cause ascending current, molybdic acid zirconium acyl is all brought into (I) district in the bottle, with abundant rinsing of leacheate and oxidation, to take away a large amount of acid solutions that molybdic acid zirconium acyl generates after the cracking, improve the pH value of eluent, help reaching the requirement of NF.During rinsing, also that those are extremely small, be easy to particle come-up by " cow " post sieve plate, to the display pipeline, rinsing not only can make the abundant oxidation of molybdic acid zirconium acyl, prevents reduction by reverse stream pipe, filter and discharge opeing cup row, can also guarantee the eluent achromatism and clarity, reduce molybdenum technetium ratio.After the rinsing, regulate K1, molybdic acid zirconium acyl particle is sunk, form the compound of particle and solution in (II) district of upper prop bottle bottom, molybdic acid zirconium acyl is suspended in the solution, forms a kind of " flowable liquid ", connects K3 then, the molybdic acid zirconium acyl that is in suspended state successfully enters in the post under the positive/negative pressure effect, realizes automatic upper prop.Just in case passage stops up, and upper prop stops voluntarily, connect K9 this moment during upper prop, and K5 is connected, and K6 disconnects, and can eliminate just stop up.Compared with prior art, remarkable advantage of the present invention is that upper prop speed is fast, and a plurality of " cow " post of can contacting as required carries out a packing, products obtained therefrom meets the NF requirement, divide the process of assembling radioactive contamination few, safety of operation is reliable, is suitable for batch manufacturing.
Now in conjunction with the accompanying drawings and embodiments the present invention is done and describes in further detail:
Fig. 1 is a gel-type 99mTc producer automatic subpackaging device scheme drawing, wherein H, F and P represent the hot cell respectively, proparea, hot cell and back zone, hot cell, T is the display pipeline, W is a water pipe;
Fig. 2 is " cow " post scheme drawing;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the blockage-eliminating device structural representation;
Fig. 5 is a packaging device scheme drawing in the prior art.
As shown in Figure 1, a kind of gel-type 99mTc producer automatic subpackaging device comprises " cow " post 4, blockage-eliminating device 5, deposition bottle 6, negative pressure box 7, cracking cup 8, syringe 9 and the control desk 10 of elevated tank 1, upper prop bottle 2, plumbous cover 3 shieldings of band.In the elevated tank 1 leacheate is housed, its top is provided with inlet, the bottom is provided with two liquid outlets, one of them liquid outlet links to each other by the set inlet in India rubber tube and leacheate master cock K1 and feed liquor K switch 2 and upper prop bottle 2 bottoms, and another liquid outlet links to each other with the unimpeded K switch 5 of blockage-eliminating device 5 with unimpeded master cock K4 by India rubber tube; Upper prop bottle 2 tops are communicated with syringe 9 usefulness India rubber tubes, upper prop bottle 2 tops are provided with overflow pipe, its lower end is connected with India rubber tube and filter 11, upper prop bottle 2 bottoms are provided with liquid outlet and are communicated with one group of series connected " cow " post 4 that has plumbous cover 3 shieldings by fluid K switch 3 and India rubber tube, 4 outlets of " cow " post are communicated with blockage-eliminating device 5, the outlet of blockage-eliminating device 5 is communicated with the inlet of deposition bottle 6 by another unimpeded K switch 6 and India rubber tube, the set inlet in the outlet of deposition bottle 6 top covers and negative pressure box 7 tops is communicated with India rubber tube, negative pressure box 7 tops also are provided with exhaust admission port and water inlet, its bottom is provided with discharge side, the exhaust admission port returns in the hot cell after by exhaust air inlet switch K7, water inlet is connected with water pipe through running water switch K10, and discharge side connects India rubber tube and stretches into about 1 meter of display pipeline; Leacheate by-pass cock K1, unimpeded hydraulic control system K switch 4 and blockage-eliminating device fire switch K9 are installed in the control desk 10.
As shown in Figures 2 and 3, " cow " post 4 comprises a glass pillar 14, and sieve plate 16 is arranged at the bottom, and interpolation glass tube 15 connects outlet, and the upper end is equipped with and produces joint 18 and inlet 17.
As shown in Figure 4, blockage-eliminating device 5 comprises shell, the shell internal upper part is provided with top cover A, the bottom is provided with electromagnet C and T shape switch block B cooresponding with it, in top cover A bottom, the winding power connection of electromagnet C and fire switch K9, blockage-eliminating device K switch 5 and K6 are tube for blood transfusion,latex a and b to T shape switch block B with spring hanging, be pressed in respectively between top cover A and T shape switch block B and T shape switch block B and the electromagnet C, also be pressed with the C pipe of stress balance effect between T shape switch block B and the electromagnet C.K5 is normally closed under action of the spring, and K6 often opens, and the upper prop process is in case find to stop up connection K9, electromagnet C inhales T shape switch block B down, makes the K6 closure, and K5 connects, at this moment the rinsing liquid that has certain pressure flows along the upper prop opposite sense by K4 and K5, to recoil of obstruction place, makes to stop up and eliminates.
Cracking cup 8 adjacencies also are provided with discharge opeing cup 12 in the present embodiment, and the rinsing liquid that overflows when being used to discharge rinsing (leacheate) and those are extremely small, easily the molybdic acid zirconium acyl particle by sieve plate 16.Observe during for ease of operation, at elevated tank 1, upper prop bottle 2 and display pipe place are provided with observes light source 13, observes light source switch K8 and is installed in the control desk 10.
Use the packing of this device 99mTc producer control step is as follows:
1. select up-to-standard " cow " pillar
Used " cow " pillar requires sieve plate to contact well with glass tube, and flow velocity is moderate, and the interface internal diameter meets the requirements; Block import and export, calmed the anger in post by the 3rd hole with ear washing bulb, whole pillar is immersed in the water, pillar should not have bubble emerges.
2. sterilization treatment
Device therefor comprises that elevated tank, upper prop bottle, filter connector, " cow " post, sebific duct, glass threeway etc. are all by aseptic no thermal source requirement disinfection.
3. system assembles
With above-mentioned utensil, assemble by shown in Figure 1, in elevated tank, inject the capacity leacheate then.
4. negative pressure box water-filling
Disconnect K3, connect K7 and K10, with suitable speed water-filling in negative pressure box.When negative pressure box will be expired, close K7 and K10, and make negative pressure box top keep negative pressure.
5. in the molybdic acid zirconium acyl suction upper prop bottle
After the cracking in the cracking cup of molybdic acid zirconium acyl is complete, disconnect K3, connect K1 and K2, leacheate is entered in the upper prop bottle, when leacheate rises to outgate, disconnect K2, and filter moved on in the cracking cup, syringe and India rubber tube interface C are joined, in molybdic acid zirconium acyl suction upper prop bottle, must be careful when taking out, it is suitable for reading to be strictly on guard against that hot solution enters the upper prop bottle.
6. rinsing
Filter is moved on in the discharge opeing cup, connect K2, ascending current is brought the molybdic acid zirconium acyl in (II) (III) district, upper prop bottle bottom in (I) district of bottle into, regulates K1, with suitable water velocity molybdic acid zirconium acyl is carried out sufficient rinsing and oxidation, till the clarification of upper prop bottle top solution.
7. upper prop
Rinsing is complete, regulates K1, and molybdic acid zirconium acyl is sunk, just in (II) district, form suspended state, disconnect syringe, connect K3, the molybdic acid zirconium acyl of suspended state also promptly enters in each columns in series under positive/negative pressure promotes automatically, and can be by regulating K7 control upper prop speed.The general passage of upper prop process is difficult for stopping up, and occurs stopping up as contingency, and upper prop can stop automatically, and the suspended state in (II) district disappears immediately, and molybdic acid zirconium acyl enters (I) district, and K9 of open and close at this moment can eliminate just stop up.
8. flushing
Upper prop is complete, regulate K1, the bulky grain molybdic acid zirconium acyl that is deposited on (III) district is entered in the post, allow leacheate rise to the adverse current mouth then, to filter, the discharge opeing cup washes, shut K1, when liquid level drops to (II) district, decontrol and regulate K1, realize the gas-liquid flushing, as far as possible all bringing in " cow " post attached to the molybdic acid zirconium acyl on the passage tube wall.Flushing finishes, and disconnects K1, and operating personal advances the plumbous cover of back zone, hot cell dismounting " cow ", with emulsion tube interface A, B is linked to each other, and makes system be in closed state.
Facts have proved that the present invention compares with former packaging device, has the following advantages:
1. under the same terms, original device once can only be produced about 10, and this device once can be produced more than 50, and the upper prop time is fast, and upper prop one " cow " only needed for 6～9 seconds;
2. molybdic acid zirconium acyl can obtain sufficient rinsing and oxidation, can prevent reduction, improves elution efficiency, reduces molybdenum technetium ratio, the pH value of rising eluent, and assurance eluent achromatism and clarity, and also whole device is bordering on sealing, can prevent or reduce the pollution of bacterium, thermal source;
3. adopt this device, plumbous cover is assembled in the back zone, hot cell, upper prop is airtight carrying out, molybdic acid zirconium acyl has carried out the large volume rinsing in advance in the upper prop bottle, behind the upper prop, passage has carried out again the gas-liquid cleaning, and the plumbous cover of dismounting does not enter the hot cell, do not need surface decontamination and large volume drip washing after the dismounting, thereby greatly reduce the suffered dosage of producers.
4. adopt this device also can realize the sxemiquantitative upper prop according to customer requirement.Fix at irradiation power and time, topic was carried out quantitative upper prop down before " cow " pillar was normalized, can meet the requirements in+20% scope.
5. simulated experiment also shows, series connection 20 of upper props " cow ", and the effective rate of utilization of molybdic acid zirconium acyl can reach 98%, and along with the increasing of series connection " cow " bar number, effective rate of utilization also can further improve.

Claims (2)

1, a kind of automatic loading apparatus for gel type Tc-99 m generator comprises cracking cup 8, " cow " post 4 and the syringe 9 that have plumbous cover 3 shieldings, it is characterized in that this device also is provided with elevated tank 1, upper prop bottle 2, blockage-eliminating device 5, deposition bottle 6, negative pressure box 7 and control desk 10, elevated tank 1 top is provided with inlet, the bottom is provided with two liquid outlets, one of them liquid outlet passes through India rubber tube, the set inlet in leacheate master cock K1 and feed liquor K switch 2 and upper prop bottle 2 bottoms links to each other, another liquid outlet links to each other with the unimpeded K switch 5 of blockage-eliminating device with unimpeded master cock K4 by India rubber tube, upper prop bottle 2 tops are communicated with syringe 9 usefulness India rubber tubes, upper prop bottle 2 tops are provided with overflow pipe, the overflow pipe lower end is connected with India rubber tube and filter 11, " cow " post 4 connections that upper prop bottle 2 bottoms also are provided with liquid outlet and connect with one group and have plumbous cover 3 shieldings by fluid K switch 3 and India rubber tube, the outlet of " cow " post 4 is communicated with blockage-eliminating device 5, the outlet of blockage-eliminating device 5 is communicated with the inlet of deposition bottle 6 by another unimpeded K switch 6 and India rubber tube, the set inlet in the outlet of deposition bottle 6 top covers and negative pressure box 7 tops is communicated with India rubber tube, negative pressure box 7 tops also are provided with air intake-exhaust mouth and water inlet, the bottom is provided with discharge side, the air intake-exhaust mouth communicates with atmosphere by exhaust air inlet switch K7, water inlet is connected with water pipe through running water switch K10, discharge side is communicated with the display pipeline, leacheate by-pass cock K1, unimpeded hydraulic control system K switch 4 and blockage-eliminating device fire switch K9 are installed in the control desk 10.
2, according to the said a kind of technetium of claim 1-99m producer automatic subpackaging device, cracking cup 8 adjacencies that it is characterized in that this device also are provided with discharge opeing cup 12, elevated tank 1, upper prop bottle 2 and display pipeline T place are provided with observes light source 13, observes light source switch K8 and is installed in the control desk 10.
CN92111130A 1992-10-14 1992-10-14 Automatic loading apparatus for gel type Tc-99m generator Expired - Lifetime CN1035736C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN92111130A CN1035736C (en) 1992-10-14 1992-10-14 Automatic loading apparatus for gel type Tc-99m generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN92111130A CN1035736C (en) 1992-10-14 1992-10-14 Automatic loading apparatus for gel type Tc-99m generator

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CN1085517A true CN1085517A (en) 1994-04-20
CN1035736C CN1035736C (en) 1997-08-27

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102249352A (en) * 2011-05-23 2011-11-23 中国工程物理研究院核物理与化学研究所 Automatic production apparatus for medical pertechnetate
CN103454364A (en) * 2012-05-28 2013-12-18 原子高科股份有限公司 Chromatographic column device for generator
CN111762356A (en) * 2020-06-24 2020-10-13 中国农业科学院油料作物研究所 Automatic filling line of immunoaffinity column
CN113353306A (en) * 2021-06-07 2021-09-07 江苏华益科技有限公司 Technetium [ alpha ], [ alpha ]99mTc]Automatic leaching, synthesizing and subpackaging method for marked medicines
CN116767554A (en) * 2023-08-22 2023-09-19 成都中核高通同位素股份有限公司 Serial multi-container equal-quantity split charging system and method for pertechnetate sodium

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US11286172B2 (en) 2017-02-24 2022-03-29 BWXT Isotope Technology Group, Inc. Metal-molybdate and method for making the same

Family Cites Families (1)

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Publication number Priority date Publication date Assignee Title
AT379253B (en) * 1983-08-17 1985-12-10 Bender & Co Gmbh METHOD AND DEVICE FOR ELUING AND DOSING A RADIOACTIVE NUCLEID

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102249352A (en) * 2011-05-23 2011-11-23 中国工程物理研究院核物理与化学研究所 Automatic production apparatus for medical pertechnetate
CN103454364A (en) * 2012-05-28 2013-12-18 原子高科股份有限公司 Chromatographic column device for generator
CN103454364B (en) * 2012-05-28 2015-12-09 原子高科股份有限公司 Chromatographic column device for generator
CN111762356A (en) * 2020-06-24 2020-10-13 中国农业科学院油料作物研究所 Automatic filling line of immunoaffinity column
CN113353306A (en) * 2021-06-07 2021-09-07 江苏华益科技有限公司 Technetium [ alpha ], [ alpha ]99mTc]Automatic leaching, synthesizing and subpackaging method for marked medicines
CN113353306B (en) * 2021-06-07 2022-07-08 江苏华益科技有限公司 Technetium [ alpha ], [ alpha ]99mTc]Automatic leaching, synthesizing and subpackaging method for marked medicines
CN116767554A (en) * 2023-08-22 2023-09-19 成都中核高通同位素股份有限公司 Serial multi-container equal-quantity split charging system and method for pertechnetate sodium
CN116767554B (en) * 2023-08-22 2023-10-20 成都中核高通同位素股份有限公司 Serial multi-container equal-quantity split charging system and method for pertechnetate sodium

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Owner name: CHENGDOU ZHONGHE GAOTONG ISOTOPES CO., LTD.

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