CN102151345B - Injector - Google Patents
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- CN102151345B CN102151345B CN201110104028.6A CN201110104028A CN102151345B CN 102151345 B CN102151345 B CN 102151345B CN 201110104028 A CN201110104028 A CN 201110104028A CN 102151345 B CN102151345 B CN 102151345B
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- push rod
- processing unit
- display unit
- syringe
- chamber
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Abstract
The invention discloses an injector which comprises a barrel, a push rod, a piston, a pressure sensor, a treatment unit and a display unit, wherein the barrel is internally limited with a barrel cavity; the front end of the push end is inserted into the barrel cavity, and the back end of the push rod is backwards extended from the barrel cavity; the piston is arranged at the front end of the push rod, so that the barrel cavity is divided into a first front cavity and a first back cavity, and the piston can move in the barrel cavity along with the push rod; the pressure sensor is arranged on the push rod for detecting the liquid pressure in the first front cavity; the treatment unit is connected with the pressure sensor for treating a fluid pressure signal detected by the pressure sensor to obtain the fluid pressure value in the first front cavity; and the display unit is connected with the treatment unit to display the pressure value. The injector of the embodiment can intuitively obtain the pressure of the gas injected by the injector, so that the injection can be fast and conveniently performed, the pressure of the injected gas can be guaranteed to be within a safe range, and the operation safety can be improved.
Description
Technical field
The present invention relates to field of medical, especially relate to the syringe that a kind of injecting fluid is used.
Background technology
Syringe is a kind of conventional medical apparatus and instruments, and tool has been widely used, can injecting fluid and gas.For example, when performing the operation general anesthesia, anaesthetist inserts after patient's trachea in tracheal intubation, need to inflate tracheal intubation air bag or laryngeal mask, the improper meeting of charge operation causes that trachea wearing and tearing, mistake inhale and tracheal stenosis, and suitable inflation need to be understood the air pressure in the air bag of tracheal intubation.Between intubate air bag and syringe, add traditionally a pressure testing device, it is very inconvenient to use.Or simply need not, with operator feel operate, inflatable safety is poor, and patient's life is threatened.In addition, the syringe of some injecting fluid also needs to know injection pressure.Conventional art scheme is difficult to solve fluid pressure and counts accurately, is difficult to the problems such as data acquisition, data monitoring in real time, and the technical program solves with regard to problems.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.For this reason, one object of the present invention is to propose a kind of syringe, fluid pressure when described syringe can be measured injector to inject.
A kind of syringe according to the embodiment of the present invention, comprising: cylindrical shell, in described cylindrical shell, be limited with a chamber, and the front end of described cylindrical shell is formed with injection orifice and the rear end open of described cylindrical shell; Push rod, the front end of described push rod is inserted into described cylinder intracavity and stretch out backward from described cylinder intracavity the rear end of described push rod; Piston, described piston is located at the front end of described push rod so that described cylinder chamber is divided into the first ante-chamber and the first back cavity, and described piston is removable at described cylinder intracavity with described push rod; Pressure transducer, described pressure transducer is located on described push rod for detection of the fluid pressure in described the first ante-chamber; Processing unit, described processing unit is connected the fluid pressure signal that detects for the treatment of described pressure transducer to obtain the fluid pressure value in described the first ante-chamber with described pressure transducer; And display unit, described display unit is connected to show described force value with described processing unit.
According to the syringe of the embodiment of the present invention, by pressure transducer, processing unit and display screen, can obtain intuitively the gas pressure of this injector to inject, thereby can inject quickly and easily and guarantee that the gas pressure of injection, in safety range, has improved processing safety.
In addition, according to syringe of the present invention, also there is following additional technical feature:
In one embodiment of the invention, it is outside that described processing unit and described display unit are located at described cylindrical shell, and be provided with communicating passage in described push rod, and described processing unit is connected with described pressure transducer by the wire through described communicating passage.Thus, the fluid pressure in the first ante-chamber that pressure transducer records shows intuitively by processing unit processes and by display unit.
In described push rod, limit rod chamber, described bar chamber is in communication with the outside by described communicating passage.
Alternatively, described syringe also comprises holder housing, and described holder housing is arranged on the rear end of described push rod and described processing unit and described display unit and is arranged in described holder housing.
Or described processing unit is integrated in the first computer and described display unit is the display of described the first computer.
Described syringe also comprises with described processing unit wireless connections to accept, to monitor, to store and to analyze the second computer of described fluid pressure value.
Thus, the fluid pressure in the first ante-chamber that pressure transducer records shows intuitively by processing unit processes and by display unit.
Described syringe also comprises the alarm unit being connected with described processing unit.
Alternatively, described alarm unit comprises display lamp and/or buzzer.
Wherein, described pressure transducer is located on the front end face of described push rod.
Particularly, the front end face of described push rod is provided with groove, and described pressure transducer is arranged in described groove.
In another embodiment of the present invention, the inner rod chamber that limits of described push rod, described display unit and described processing unit are located at described bar intracavity, at least a portion at least a portion transparent and described push rod of described cylindrical shell is transparent, and the transparent part of described push rod and the transparent part of described cylindrical shell are corresponding to manifest described display unit with the position of described display unit.
Described syringe also comprises installed part, and described installed part is located at described bar intracavity, and described processing unit and described display screen are installed on described installed part.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is according to the schematic diagram of the syringe of first embodiment of the invention;
Fig. 2 is the cutaway view of cutting open along A-A line of the syringe shown in Fig. 1;
Fig. 3 is according to the schematic diagram of the syringe of second embodiment of the invention; With
Fig. 4 is the cutaway view of cutting open along B-B line of the syringe shown in Fig. 3.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " on ", orientation or the position relationship of the indication such as D score, 'fornt', 'back', " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " connection ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, connect integratedly, can be also to removably connect; It can be the connection of two element internals; Can be direct connection, also can indirectly connect by intermediary, for the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
Below with reference to Fig. 1-Fig. 4, describe according to a kind of syringe of the embodiment of the present invention, the syringe of take below describes as example for injected gas.Certainly, the present invention is not limited to this, for example, and also can be for injecting fluid according to syringe of the present invention.
Syringe according to the embodiment of the present invention, comprising: cylindrical shell 1, push rod 2, piston 3, pressure transducer 4, processing unit 5 and display unit 6.
As shown in Fig. 1-Fig. 4, in cylindrical shell 1, be limited with a chamber 10, the front end of cylindrical shell 1 (being the left end in Fig. 2 and Fig. 4) is formed with injection orifice 11, and the rear end of cylindrical shell 1 (right-hand member in Fig. 2 and Fig. 4) opens wide.The front end of push rod 2 is inserted in a chamber 10 and stretch out backward in cylinder chamber 10 rear end (right-hand member in Fig. 2 and Fig. 4) of push rod 2.
Piston 3 is located at the front end of push rod 2 cylinder chamber 10 is divided into the first ante-chamber 101 and the first back cavity 102, and piston 3 is interior removable in cylinder chamber 10 with push rod 2.Pressure transducer 4 is located on push rod 2 for detection of the fluid pressure in the first ante-chamber 101.Processing unit 5 is connected the fluid pressure signal that detects for the treatment of pressure transducer 4 to obtain the fluid pressure value in the first ante-chamber 101 with pressure transducer 4, display unit 6 is connected to show force value with processing unit 5, wherein between display unit 6 and processing unit 5, wired connection can be adopted, also wireless connections can be adopted.
According to the syringe of the embodiment of the present invention, by pressure transducer 4, processing unit 5 and display screen 5, can obtain intuitively the gas pressure of this injector to inject, thereby can inject quickly and easily and guarantee that the gas pressure of injection, in safety range, has improved processing safety.
The syringe of two embodiment according to the present invention will be specifically described respectively below.
According to one embodiment of present invention, as depicted in figs. 1 and 2, processing unit 5 and display unit 6 are located at cylindrical shell 1 outside, and in push rod 2, be provided with communicating passage 7, processing unit 5 is connected with pressure transducer 4 by the wire through communicating passage 7, thus, the fluid pressure in the first ante-chamber 101 that pressure transducer 4 records is processed by processing unit 5 and shows intuitively by display unit 6.
Alternatively, the interior restriction rod chamber 20 of push rod 2, bar chamber 20 is in communication with the outside by communicating passage 7.
As shown in Figure 2, according to the syringe of an example of the present invention, also comprise holder housing 8, holder housing 8 is arranged on the rear end of push rod 2, and processing unit 5 and display unit 6 are arranged in holder housing 8.Certainly, be understandable that, holder housing 8 should partially transparent, and transparent part should be corresponding with display unit 6 to manifest display unit 6.That is to say, from the outside of holder housing 8, can see the force value that display unit 6 shows by transparent part.Alternatively, display unit 6 is display screen, and processing unit is microprocessor.
As shown in Figure 2, in an example of the present invention, display unit 6 is LCDs.Alternatively, display unit 6 is digital display screen.Thus, when according to the injector to inject gas of the present embodiment, pressure transducer 4 sends the gas pressure signal detecting to processing unit 5 after detecting the gas pressure in the first ante-chamber 101, rear output fluid pressure value is processed in treated unit 5, then by display unit 6, demonstrate intuitively, thereby can inject quickly and easily and guarantee that gas pressure is in safety range, and then improve perioperative safety.Certainly, display unit 6 can also be such as image or scale type display screen etc. of display screen of other types, at the image that means fluid pressure or the scale that show screen display.
According in the syringe of another example of the present invention, processing unit 5 can be integrated in the first computer (scheming not shown), and display unit 6 is the display of the first computer.
Further, syringe also can comprise second computer (scheming not shown), the processing unit 5 in second computer and the first computer by wireless connections with acceptance, monitoring, storage and analysing fluid force value.Certainly, be understandable that, a second computer can carry out wireless telecommunications with a plurality of the first computers simultaneously, and then monitors a plurality of the first computers simultaneously.Thus, can the data of gas pressure be sent to second computer in real time by wireless mode, to supervise, store and analyze the data of a plurality of the first computers simultaneously, in other words, second computer can be understood as main control computer.
In examples more of the present invention, also comprise the alarm unit being connected with processing unit 5.Alternatively, alarm unit can comprise display lamp.For example,, when pressure is lower than certain particular value, when red; When pressure is higher than certain particular value, amber light is bright; When pressure is between height particular range, green light.Certainly, the present invention is not limited to this, and alarm unit can also comprise buzzer, warns, or comprises display lamp and buzzer simultaneously, or be the type of alarm of other types when pressure is in different range with different sound.
Wherein, pressure transducer 4 is located on the front end face of push rod 2.For example the front end face of push rod 2 is provided with groove, and pressure transducer 4 is arranged in groove.
According to a further embodiment of the invention, as shown in Figure 3 and Figure 4, the inner rod chamber 20 that limits of push rod 2, display unit 6 and processing unit 5 are located in bar chamber 20, at least a portion at least a portion transparent and push rod 2 of cylindrical shell 1 is transparent, and the transparent part of the transparent part of push rod 2 and cylindrical shell 1 is corresponding to the position of display unit 6 to manifest display unit 6.That is to say, from the outside of syringe, can see the force value that display screen 5 shows by push rod 2 and the transparent part of cylindrical shell 1.Alternatively, display unit 6 is display screen, and processing unit is microprocessor.
As shown in Figure 2, in an example of the present invention, display unit 6 is LCDs.Alternatively, display unit 6 is digital display screen.Thus, when according to the injector to inject gas of the present embodiment, pressure transducer 4 sends the gas pressure signal detecting to processing unit 5 after detecting the gas pressure in the first ante-chamber 101, rear output fluid pressure value is processed in treated unit 5, then by display unit 6, demonstrate intuitively, thereby can inject quickly and easily and guarantee that gas pressure is in safety range, and then improve perioperative safety.Certainly, display unit 6 can also be such as image or scale type display screen etc. of display screen of other types, at the image that means fluid pressure or the scale that show screen display.
According to the syringe of an example of the present invention, also comprise installed part 9, installed part 9 is located in bar chamber 20, and processing unit 5 and display screen are installed on installed part 9.
Alternatively, the front end in bar chamber 20 opens wide, piston 3 is set on the front end of push rod 2 and piston 3 is provided with for being communicated with the through hole 31 of bar chamber 20 and the first ante-chamber 101, thus, when according to the injector to inject gas of the present embodiment, fluid in the first ante-chamber 101, by entering into bar chamber 20 in this through hole, makes bar chamber 20 equate with the fluid pressure in the first ante-chamber 101, and pressure transducer 4 can record the fluid pressure in the first ante-chamber 101 now thus.Alternatively, through hole 31 is formed on the central authorities of piston 3.
In examples more of the present invention, cylindrical shell 1 and push rod 2 are all-transparent.Alternatively, cylindrical shell 1 and push rod 2 are working of plastics, by transparent plastic injection moulding, are made.And in another example of the present invention, cylindrical shell 1 and/or push rod 2 are glass workpiece, by glass, made.In one embodiment of the invention, cylindrical shell 1 is cylinder.
The process that detects injection pressure while describing the injector to inject gas according to the embodiment of the present invention below with reference to Fig. 1-Fig. 4, certainly, process during injector to inject liquid is also similar.
When according to the injector to inject gas of the embodiment of the present invention, pressure transducer 4 detects after the gas pressure in the first ante-chamber 101, send the gas pressure signal detecting to processing unit 5, rear output fluid pressure value is processed in treated unit 5, then by display unit 6, demonstrate intuitively, thereby can inject quickly and easily and guarantee that gas pressure is in safety range, and then improve perioperative safety.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (8)
1. a syringe, comprising:
Cylindrical shell, is limited with a chamber in described cylindrical shell, the front end of described cylindrical shell is formed with injection orifice and the rear end open of described cylindrical shell;
Push rod, the front end of described push rod is inserted into described cylinder intracavity and stretch out backward from described cylinder intracavity the rear end of described push rod;
Piston, described piston is located at the front end of described push rod so that described cylinder chamber is divided into the first ante-chamber and the first back cavity, and described piston is removable at described cylinder intracavity with described push rod;
Pressure transducer, for detection of the fluid pressure in described the first ante-chamber;
Processing unit, described processing unit is connected the fluid pressure signal that detects for the treatment of described pressure transducer to obtain the fluid pressure value in described the first ante-chamber with described pressure transducer;
Display unit, described display unit is connected to show described force value with described processing unit;
It is characterized in that:
The front end face of described push rod is provided with groove, described pressure transducer is located in described groove, described processing unit and described display unit are all located at the inside of described push rod or are all located at the rear end of described push rod, described syringe also comprises alarm unit, described alarm unit is connected with described processing unit, and described alarm unit comprises display lamp and/or buzzer.
2. according to the syringe of claim 1, it is characterized in that, it is outside that described processing unit and described display unit are located at described cylindrical shell, and be provided with communicating passage in described push rod, and described processing unit is connected with described pressure transducer by the wire through described communicating passage.
3. according to the syringe of claim 2, it is characterized in that, in described push rod, limit rod chamber, described bar chamber is in communication with the outside by described communicating passage.
4. according to the syringe of claim 2, it is characterized in that, also comprise holder housing, described holder housing is arranged on the rear end of described push rod and described processing unit and described display unit and is arranged in described holder housing.
5. according to the syringe of claim 2, it is characterized in that, described processing unit is integrated in the first computer and described display unit is the display of described the first computer.
6. syringe according to claim 5, is characterized in that, also comprises with described processing unit wireless connections to accept, to monitor, to store and to analyze the second computer of described fluid pressure value.
7. according to the syringe of claim 1, it is characterized in that, the inner rod chamber that limits of described push rod, described display unit and described processing unit are located at described bar intracavity, at least a portion at least a portion transparent and described push rod of described cylindrical shell is transparent, and the transparent part of described push rod and the transparent part of described cylindrical shell are corresponding to manifest described display unit with the position of described display unit.
8. syringe according to claim 7, is characterized in that, also comprises installed part, and described installed part is located at described bar intracavity, and described processing unit and described display unit are installed on described installed part.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201110104028.6A CN102151345B (en) | 2011-04-25 | 2011-04-25 | Injector |
Applications Claiming Priority (1)
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CN201110104028.6A CN102151345B (en) | 2011-04-25 | 2011-04-25 | Injector |
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CN102151345A CN102151345A (en) | 2011-08-17 |
CN102151345B true CN102151345B (en) | 2014-04-16 |
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CN201110104028.6A Active CN102151345B (en) | 2011-04-25 | 2011-04-25 | Injector |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201402826D0 (en) * | 2014-02-18 | 2014-04-02 | Owen Mumford Ltd | Injection device |
CN106620961A (en) * | 2015-10-30 | 2017-05-10 | 无锡沃骐医疗科技有限公司 | Syringe |
CN107441587A (en) * | 2016-05-31 | 2017-12-08 | 上海微创生命科技有限公司 | Infusion pump |
CN106334255B (en) * | 2016-11-14 | 2019-06-14 | 柳桂玉 | Anorectal surgical is injected for medicine operation device |
WO2018111969A1 (en) * | 2016-12-14 | 2018-06-21 | Medimmune, Llc | Embedded multiple-part sensor within a plunger rod to capture and transmit injection information |
CN107224635A (en) * | 2017-07-01 | 2017-10-03 | 苏州能斯达电子科技有限公司 | A kind of injection of insulin is pumped monitoring device |
CN114099838B (en) * | 2021-11-04 | 2024-03-29 | 丰都县人民医院 | Injector storage device with spiral pressure regulating function |
CN114099886A (en) * | 2021-11-11 | 2022-03-01 | 灵智创新(北京)医疗科技有限公司 | Tracheal intubation saccule pressurizing, decompressing and pressure measuring device |
CN114216790B (en) * | 2021-12-14 | 2024-03-19 | 杭州赛维动力科技有限公司 | Automatic detection device for electric power glue barrel |
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CN2455262Y (en) * | 2000-12-27 | 2001-10-24 | 陈�峰 | Microinjection device with injection pressure determination |
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CN101318037A (en) * | 2007-06-06 | 2008-12-10 | 马林克罗特公司 | Medical fluid injector having wireless pressure monitoring feature |
CN101868265A (en) * | 2007-11-19 | 2010-10-20 | 马林克罗特公司 | Power injector having patency check with pressure monitoring |
CN202044597U (en) * | 2011-04-25 | 2011-11-23 | 无锡沃骐医疗科技有限公司 | Syringe |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2358423A4 (en) * | 2008-12-15 | 2014-09-17 | Merit Medical Systems Inc | System and method for inflation syringe display and modularized component assembly |
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2011
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Patent Citations (6)
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CN2455262Y (en) * | 2000-12-27 | 2001-10-24 | 陈�峰 | Microinjection device with injection pressure determination |
CN2661208Y (en) * | 2003-12-12 | 2004-12-08 | 石广云 | Contrast medium injection device |
CN2717454Y (en) * | 2004-07-19 | 2005-08-17 | 深圳市东大精密仪器技术开发有限公司 | Medical high-pressure syringe |
CN101318037A (en) * | 2007-06-06 | 2008-12-10 | 马林克罗特公司 | Medical fluid injector having wireless pressure monitoring feature |
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CN202044597U (en) * | 2011-04-25 | 2011-11-23 | 无锡沃骐医疗科技有限公司 | Syringe |
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