CN87214217U - Pellet injector - Google Patents
Pellet injector Download PDFInfo
- Publication number
- CN87214217U CN87214217U CN 87214217 CN87214217U CN87214217U CN 87214217 U CN87214217 U CN 87214217U CN 87214217 CN87214217 CN 87214217 CN 87214217 U CN87214217 U CN 87214217U CN 87214217 U CN87214217 U CN 87214217U
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- Prior art keywords
- container
- injection
- valve
- hydraulic drive
- links
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- 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.)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a pellet injector, comprising a radioactivity injection container with alterable volume which contains a seal transmission pair, a hydraulic transmission connected with the transmission pair, a closed shielding housing containing the radioactivity injection, an injection needle connected with the radioactivity injection container, a pipeline and an operation component, which can complete the pellet injection with the traditional operation technique. The utility model has the advantages of compact structure, easy fabrication and perfect protective effect, and starts a successful precedent of the cold operation of the pellet injection in the radioactivity medicine. After using, the residue of the radioactive substances can not be processed with the cleansing solution to discharge; the pellet injector can be moved conveniently, and can be carried with.
Description
This utility model belongs to medical apparatus and instruments, is used for injecting in human body radioisotopic clinical diagnosis.
Knownly in human body, inject radioisotopic apparatus and be still conventional syringe, though easy to usely do not need to ward off in addition other special equipment, incomplete to radioisotopic screening electrode, the subsequent treatment problem of pollution is arranged again after the operation.Mechanical hand can be avoided the injury of radiation to human body under specific circumstances, but is difficult to finish the practical operation when injecting, so the value of practical application is little in the isotopic diagnostic operation of application of radiation.On syringe housing being installed is known protectiving scheme, but because of the requirement of shield effectiveness and manual injection's operation is difficult to take into account in scheme, and can't specifically implement, there is not practical value.
The purpose of this utility model provides a kind of in radioactivity injection injection operation, can realize shielding fully and significantly reducing the injecting apparatus of residual radioactive substance substantially.
The purpose of this utility model is to realize like this, employing comprises the injecting apparatus of radioactivity injection container, shield member and syringe, its container contains the moving component of sealed attachment, container is provided with fluid passage, by pipeline this passage is communicated with the injection syringe needle, the input of moving component and hydraulicdriven outfan link in the container, and the part of shield member except that the necessary passage that keeps transmission and liquid flow is for containing the obturator of each parts of splendid attire radioactivity injection.Like this, the container with sealed attachment moving component both can splendid attire injection liquid, can vessel volume be changed by moving component again, realizes the suction and the discharge of injection.The pipeline that connects container and syringe needle makes injection that need shield and the syringe needle that has operation to require form flexible connection, and the operating condition of injecting for the abundant shielding and the maintenance routine of radiation provides possibility.The drive mechanism that links with moving component in the container can play the effect of mechanical hand, for operator's proper operation outside shielding case provides possibility.Taked above this apparatus of measure just can to reach given protection index substantially, the proper operation drive mechanism just can obtain correct injection output at the injection needle place that has reequiped.
Container of the present utility model is a piston sleeve structure, and piston is that slipper seal cooperates with sleeve; Also can in container, connect with seal of vessel by bag shape compliant member; Can also be existing slipper seal pair in the form of piston, the container of the compliant member of sealed attachment is arranged again.These versions all are the reliable structure that can change vessel volume, and very simple, and the sealing of flexible piece is reliable, and the working strength of piston pattern is better.Be to guarantee the bullet fast injection, the do not have motion of elasticity or compliant member of compliant member is no more than the long-pending institute of flexible piece natural surface restricted portion.
The motion input side of compliant member in this utility model container and container links, this position is shaped on the surface that is sealed and matched, and components such as plug, cover, gland and O-ring seal with this surface engagement are arranged, the oral area of bag shape compliant member promptly is pressed between two matching surfaces.On the matching pair assembly, leave the required passage of transmission.
The hydraulic drive that moving component links in this utility model and the container is the hydraulic drive of piston bush cartridge type, and the liquid of its output and the moving component of container link by pipeline.
This utility model also is associated with switching valve in the connecting pipeline of container and syringe needle, switching valve and valve to the pipeline between container all within shield, switching valve also links with the injection needle of another injection.Like this, after the injection of radioactivity injection, make switching valve connect the needle tubing of another injection and the pipeline of above-mentioned syringe needle, after an amount of injection, radioactive injection in the pipeline was discharged, make this section pipeline obtain substantially cleaning again, thereby significantly reduce the residual quantity of radioactive solution after the instrumentation.
This utility model is between the radioactivity injection container outfan at the pipeline that hydraulic drive output pipe and container and syringe needle link, also be associated with the hydraulic pressure branch road in parallel, link by switching valve between parallel branch and the hydraulicdriven output pipe with radioactivity injection container.Like this, after finishing the radioactive injection injection, make switching valve connect parallel branch, continue the output hydraulic transmission fluid, normal saline in the parallel branch is pushed the output pipe of radioactive liquid, radioactive injection is discharged, make this section pipeline obtain cleaning, thereby significantly reduce the residual quantity of radiation.
The hydraulic drive of this utility model piston bush cartridge type has multichannel output, is respectively equipped with output channel at sleeve top and the sidewall in piston stroke.This mechanism also is provided with the hydraulic pressure branch road in parallel with the radioactive solution container, and piston bush cartridge type variable volume container and pressure limiting valve are arranged in the branch road, and also there is the bag shape compliant member of sealed attachment with it at the rear portion of branch road middle sleeve, and the outfan of compliant member and pressure limiting valve links.Multipath hydraulic output sleeve top passageway and parallel branch input link, and the input of sleeve lateral wall passage and radioactive solution container links.Like this, pressure limiting valve can block parallel branch in the pressure limiting scope, passage on the hydraulic drive sleeve lateral wall, can in the pushing of the piston before this channel position stroke, provide output by radiotropism injection variable volume container, when piston is crossed the sidewall channel position, the output of hydraulic drive radiotropism injection container is blocked, and radioactive injection also stops that the person exports to being subjected to liquid; After this continuing pushing raises top land pressure, pressure limiting opening of valves when pressure rises to pressure limiting valve opening pressure, the parallel branch conducting, the output of the contained injection of the container in the parallel branch, the person exports in succession to being subjected to liquid through syringe needle by pipeline that this apparatus and syringe needle link.
This utility model also is provided with radioactivity injection solution storage vessels in shield, this container links by check valve and switching valve, and switching valve is provided in a side of among the pipeline that radioactive injection variable volume container and syringe needle link.Like this, in shield, can temporarily store more radioactive injection, and can reduce the size and the seal request of the container of variable volume, as long as operation switching valve, get final product the pipeline between variable conductance volume receptacle and the storage container, realize the transfer of injection, again switching valve is placed the position of conducting injection pipeline during injection operation.
This utility model also is provided with hydraulic drive with liquid container and multipath conversion valve, each joint of multipath conversion valve respectively with the radioactive injection variable volume container, in the parallel branch container and and the pressure limiting valve input link; Between parallel branch pressure limiting valve and container, also have a pipeline that links with the hydraulic drive liquid container, in pipeline, also be provided with switching valve.Conversion by these valves makes pipeline form multiple path, for use is provided convenience.
This utility model has kept the traditional method of medical care precess, finish bolus injection, easy to use, syringe construction is compact exquisite, make easily, shielding to radiation fully reliably can make gamma-radiation reduce to any set-point, and sewage can get final product degree of discharge without purified treatment after apparatus radiation residual quantity reduced to and cleans.
Accompanying drawing has provided embodiment example of the present utility model;
Fig. 1 is this routine structural representation;
Fig. 2 is this routine outline drawing view;
Fig. 3 is the shield side view;
Fig. 4 is the banked direction control valves diagrammatic sketch;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the B-B cutaway view of Fig. 4;
Fig. 7 is the C-C cutaway view of Fig. 4;
Fig. 8 is the D-D cutaway view of Fig. 4;
Fig. 9 is the diagrammatic sketch of switching valve 18;
Figure 10 is the vertical view of Fig. 9;
Figure 11 is the diagrammatic sketch of switch valve 30.
These routine nucleic solution capacity variodenser 14 capacity are 5ml, and the closed shielding case 9 of plumbous system is equipped with the thick lead glass 12 of 0.47 lead equivalent 5cm, can see situation in the shielding case by lead glass.Stiffener 17 is equipped with at the shielding case two ends, is associated with on the stiffener to carry with handgrip 15, and lower housing portion is made bearing.Device operating weight 8-9kg, overall dimensions 200 * 150 * 130mm.
In shielding case 9, be provided with nucleic basin 7, the check valve 20 that links with the outlet of jar 7, export the switching valve 18 that links with check valve 20, the transparent nucleic pipe 14 that links with 18 1 outlets of switching valve, the nucleic pipe is the glass metal coalition, the piston 13 that is sealed and matched with bore is arranged in the nucleic pipe, the lid 10 of belt lacing is housed at the arrival end of pipe, lid is used thread connection with nucleic pipe 14, the gum cover 11 of band sealing ring is housed between them, lid 10 is provided with fluid passage, is interlinked to the outside through shielding case rear end face and shell.Another passage 19 of switching valve 18 links through the passage of shell front end and a passage 22 of two-way needle stand 23.Pumping needle 21 bonds together with lead glass blood back pipe, is installed on the two-way needle stand 23, communicates with passage 22.
Between switching valve 18 and 14 outlets of nucleic pipe, also be associated with the passage 16 that links with salt aquaporin 2, an end and the nipple 1 of salt aquaporin link, and the other end and Brine Pipe 3 outlets link.The structure of Brine Pipe and nucleic pipe 10,11,13,14 are identical, form by lid 6, gum cover 5, piston 4, sleeve 3, just pump pickle is adorned in the place ahead in the pipe, and the rear is a transmission liquid, and two paths that the output channel of passage of its rear end and pressure limiting valve 31 and switch valve 30 link link.A path of the inlet of pressure limiting valve 31 and multipath conversion valve 28 links, and communicates through the two-way needle stand passage 24 of switching valve 28 and transfer syringe.Another passage of switch valve 30 and the second channel of multipath conversion valve 28 link, and link with the liquid in the liquid bottle 29 through switching valve 28 and transmission.The passage that nucleic pipe 14 inputs communicate with the shielding case external world links through the third channel and the transfer syringe sidewall passage 25 of multipath conversion valve 28.Nucleic basin 7 has passage 8 to communicate with the external world through shielding case.Shielding case 9 is a successive obturator except that keeping above-mentioned passage after the separating surface closure.
Parts outside each shielding case all are located on the bearing except that transfer syringe 26.The transfer syringe is linked by corresponding flexible pipe.
The spare core cellulose solution is to inject jar 7 by passage 8, needs to keep transmission with reaching in each transmission volume in the liquid bottle 29 enough transmission liquid to be arranged before the injection, and enough pump pickles should be injected by nipple 1 in the place ahead of Brine Pipe, and this moment, switch valve 30 was in conduction position.During filling nucleic injection, earlier switching valve 18, multipath conversion valve 28 etc. is placed the relevant position respectively, twitch plunger 27 transmissions and at first enter syringe 26 front ends through multipath conversion valve 28 with liquid, when plunger 27 arrives passage 25, make the path of switching valve 28 conducting nucleic pipes 14 rear ends, the nucleic injection that at this moment continues to twitch in plunger 27, the jar 7 just enters nucleic pipe the place ahead through check valve 20, switching valve 18.When meeting the demands dosage, move each road switching valve to the relevant position, promote plunger 27, transmission fluid enters nucleic pipe 14 rears through multipath conversion valve 28 the 3rd path, make the nucleic solution output in its place ahead, through switching valve 18, two-way needle stand passage 22 injects human body by syringe needle 21.After plunger is crossed sidewall passage 25, this passage is blocked, nucleic stops output, transmission is pressed to pressure limiting valve 31 by transfer syringe top path through the multipath conversion valve with liquid, pressure limiting valve is opened after reaching the pressure limit, the transmission that has pressure enters Brine Pipe 3 rears with liquid, and the injection saline that promotes the place ahead enters human body through switching valve 18 by two-way needle stand and syringe needle, and institute is tentatively cleaned by the road.Ram travel finishes, and injection operation is finished.
The traditional method that has kept injection operation during this device uses has shielded the radioactive ray of static nucleic, has tentatively cleaned again the outer residual nucleic of shielding case, one crosses the radiation effect of property in injection except nucleic, and the radiation with nucleic is confined within the shielding case substantially. And the device conveniently moving, can carry.
Claims (10)
1, the injecting apparatus that comprises container, shield member and syringe.It is characterized in that container is the radioactivity injection container 14 that contains the variable volume of sealed attachment moving component 13, the fluid passage of container 18-19-22 and injection needle 21 by the road links, with the hydraulic drive 26,27 that container moving component input links, shield member is the obturator 9 of each parts of containing splendid attire radioactivity injection except that the necessary passage that keeps transmission and liquid flow.
2, apparatus according to claim 1, the container that it is characterized in that variable volume is a piston sleeve structure 13,14, piston sleeve is that slipper seal cooperates, or contains with the window part that links and be the bag shape compliant member 11 of sealed attachment, or the double container that contains above-mentioned two kinds of sealed attachment parts.
3, as apparatus as described in the claim 2, it is characterized in that container motion input side and the position that compliant member links be shaped on surface that fixing seal cooperates and with the parts 10 of this surface engagement, on matching pair assembly 10,11,14, leave the required passage of transmission.
4, apparatus according to claim 1 is characterized in that hydraulic transmission part is a piston sleeve structure 26,27.
5, apparatus according to claim 1, the pipeline that it is characterized in that connecting container 14 and syringe needle 21 also contains switching valve 18, and switching valve and another injection needle link.
6,, it is characterized in that between hydraulic drive outfan 25 and container outfan 22, also having and the hydraulic pressure branch road 28-31-4-3-2-16 of container 14 parallel connections as apparatus as described in the claim 1,2,3,4.
7, as apparatus as described in the claim 4, it is characterized in that the sidewall in telescopic top of hydraulic drive and piston stroke is shaped on output channel 24,25 respectively.
8, as apparatus as described in the claim 6,7, it is characterized in that having in the parallel branch container 3 and the pressure limiting parts 31 of piston sleeve structure, container transmission input has the compliant member 5 of sealed attachment with it, compliant member and pressure limiting valve outfan link, and contain radioactive injection container and the two parallel branch inputs that contain the pressure limiting parts and link with the output channel at hydraulic drive sleeve lateral wall and top respectively.
9, apparatus according to claim 1 is characterized in that also being provided with radioactive injection hold-up vessel 7 in shield 9, container 7 links through check valve 20 and switching valve 18, and switching valve is connected among the pipeline 19 that radioactive injection sleeved container and syringe needle link.
10, as apparatus as described in the claim 1,9, it is characterized in that also being provided with container 29, the multipath conversion valve 28 of hydraulic drive with liquid, the multipath conversion valve respectively with radioactive injection sleeve 14, hydraulic drive outfan 24,25, hydraulic drive liquid container 29, pressure limiting parts 31 link, and also are associated with the pipeline of band control valve 30 between the input of the sleeve 3 of parallel connection and multipath conversion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87214217 CN87214217U (en) | 1987-10-15 | 1987-10-15 | Pellet injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87214217 CN87214217U (en) | 1987-10-15 | 1987-10-15 | Pellet injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87214217U true CN87214217U (en) | 1988-08-31 |
Family
ID=4828586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87214217 Withdrawn CN87214217U (en) | 1987-10-15 | 1987-10-15 | Pellet injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87214217U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303615C (en) * | 2002-02-11 | 2007-03-07 | 希格马托制药工业公司 | Container for vial of radiopharmaceutical and set for its infusion in a patient or for its transfer elsewhere |
| CN102119252B (en) * | 2008-06-06 | 2015-02-18 | 拜耳医疗保健公司 | Apparatus and methods for delivery of fluid injection boluses to patients and handling harmful fluids |
| CN105288835A (en) * | 2015-10-20 | 2016-02-03 | 巴建涛 | Automatic subpackaging and injecting system for radiopharmaceuticals |
-
1987
- 1987-10-15 CN CN 87214217 patent/CN87214217U/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303615C (en) * | 2002-02-11 | 2007-03-07 | 希格马托制药工业公司 | Container for vial of radiopharmaceutical and set for its infusion in a patient or for its transfer elsewhere |
| CN102119252B (en) * | 2008-06-06 | 2015-02-18 | 拜耳医疗保健公司 | Apparatus and methods for delivery of fluid injection boluses to patients and handling harmful fluids |
| CN105288835A (en) * | 2015-10-20 | 2016-02-03 | 巴建涛 | Automatic subpackaging and injecting system for radiopharmaceuticals |
| CN105288835B (en) * | 2015-10-20 | 2018-05-25 | 巴建涛 | Radiopharmaceutical automatic subpackaging injecting systems |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |