CN202336134U - Intelligent automatic anesthesia injector - Google Patents
Intelligent automatic anesthesia injector Download PDFInfo
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- CN202336134U CN202336134U CN2011204348294U CN201120434829U CN202336134U CN 202336134 U CN202336134 U CN 202336134U CN 2011204348294 U CN2011204348294 U CN 2011204348294U CN 201120434829 U CN201120434829 U CN 201120434829U CN 202336134 U CN202336134 U CN 202336134U
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- push rod
- injection
- pressure transducer
- needle
- automatic
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Abstract
The utility model discloses an intelligent automatic anesthesia injector. The injector comprises a liquid medicine injector and an injection needle automatic propeller, wherein the liquid medicine injector comprises a shell and a support plate in the shell; the lower part of the support plate is provided with a step motor and a step driver thereof; a motor shaft of the step motor is connected with a push rod; the push rod passes through a push rod assembly channel on the support plate and is connected with a medicine bottle on the shell; the medicine bottle is connected with the head on the needle rod of the injection needle automatic propeller through a hose; the push rod of the liquid medicine injector is also provided with a first pressure sensor; the first pressure sensor is connected with a signal processing host; the injection needle automatic propeller comprises a shell; a linear motor, a propel lever and a locking device which are sequentially connected are arranged in a hollow pipeline in the shell; the needle rod with the needle is connected with the propel lever; the propel lever is also provided with a second pressure sensor; and the second pressure sensor is connected with the signal processing host.
Description
Technical field:
This utility model belongs to medical instruments field, is specifically related to a kind of intelligent automatic anesthesia injection appearance.
Background technology:
Pain is to cause the patient to feel frightened one of the main reasons for dental care, and it is particularly remarkable wherein to implement the pain that the local anesthesia injection caused.Report is arranged, surpass 25% adult at least and fear the pain that acupuncture causes and therefore do one's utmost to avoid or evade necessary dental care.Than emerging in an endless stream of local anesthetic and updating of pharmaceutical property; Since Charles Pravaz in 1853 and Alexander Wood invention and first Application hollow needle cartridge type hypodermic syringe; The injector designed of implementing the local anesthesia injection almost never has too about-face, and modern used local anesthesia set and pattern at that time still have surprising concordance.Traditional needle cylinder injection device causes acupuncture pain unavoidable, and for many years, how relevant expert scholar is for to alleviate and even avoid injectivity pain to carry out a series of unremitting efforts, and wherein slow injection is one of method wherein relatively more commonly used.But,, reach the purpose that reduces pain through the injection speed that slows down and be difficult to realize fully because the limitation of human body is implemented slow injection with conventional syringe and is difficult to accurate control rate.Present micro-processor controlled part painless anesthesia injection appearance can accurately be controlled injection speed through computer software programs and Mechatronic Systems, make its maintain a kind of low speed low pressure state, human body sensory is not obvious less than pain or pain during injection.The application of the local painless anesthesia injection appearance of microcomputer in infiltration anesthesia of mouth (comprising PDL anesthesia) is more, can significantly reduce injection pain, reduces the anaesthetic consumption, accurately controls the anesthesia scope and obtain the good anesthesia effect.But the scope that the part operation technique of oral cavity alveolus surgery relates to is wider, and especially the radicular cyst of lower jaw or impacted wisdom tooth etc. only rely on infiltration anesthesia or PDL anesthesia can not reach the purpose of painless surgical operation, must implement block anesthesia of inferior alveolar nerve.Existing painless anesthesia injection appearance only can be controlled the injection speed of medicinal liquid, generally is used for infiltration injecting under the oral mucosa, and needle point thrusts and promptly no longer continues under the mucosa to advance, and continues inserting needle if desired, just can only rely on people's hand control to advance.And it does not have the initiatively ability of sensing blood vessel, must rely on resorption and judge blood vessel, and injection process needs repeatedly to interrupt, and complex operation is time-consuming.Because the block anesthesia of inferior alveolar nerve injection belongs to intramuscular injection, relates to the propelling in muscular tissue of injecting liquid drug and syringe needle simultaneously, according to the requirement of slow injection, need control injecting liquid drug speed and syringe needle fltting speed simultaneously.Because the restriction of the physiology of human body, people's hand control steadily advances syringe needle that certain difficulty is arranged at a slow speed and evenly, and if can not be steadily at the uniform velocity at a slow speed propelling syringe needle, only rely on automatically injection liquid at a slow speed, it is relatively more difficult thoroughly to control injectivity pain.And might run into blood vessel in the nerve trunk block anesthesia process, guarantee that safety is considerable problem thereby how can avoid easily that drug injection is gone into blood vessel.Existing painless anesthesia injection appearance can't satisfy the needs of block anesthesia of inferior alveolar nerve, aspect the automatic propelling of syringe needle, intelligent perception blood vessel and avoid aspects such as sclerotin stops and also have improved necessity.
Summary of the invention:
The purpose of this utility model provides a kind of can the automatic steady constant-speed injection anesthesia medicinal liquid and can advance injection needle automatically; Characteristic with active perception syringe needle intravasation; Send that caution prompting operation person adjusts or equipment adjusts according to the variation of injection pressure automatically, accomplish again after retreating needle point to blood vessel rapidly and inject; Have when syringe needle runs into sclerotin and stops, can send caution, the prompting doctor in time adjusts the degree of depth that the syringe needle angle is avoided sclerotin continued inserting needle to needs, realizes that finally the intelligent automatic anesthesia of block anesthesia of inferior alveolar nerve safety painless injection purpose is injected appearance.
This utility model is achieved through following technical scheme:
The intelligent automatic anesthesia injection appearance of this utility model comprises the automatic propeller of medical fluid injector and injection needle, and described medical fluid injector comprises housing, the intravital gripper shoe of shell; Be provided with motor and step actuator thereof in the bottom of gripper shoe; The motor shaft of motor links to each other with push rod, and the push rod installation channel that push rod passes on the gripper shoe links to each other with medicine bottle on the housing, and medicine bottle links to each other with syringe needle on the automatic angle of rake shank of injection needle through flexible pipe again; It is characterized in that; On the push rod of described medical fluid injector, also be provided with first pressure transducer, first pressure transducer links to each other with the signal processing main frame, and the automatic propeller of described injection needle comprises shell; Be provided with the linear electric motors, pushing ram and the locking device that connect successively in the hollow pipeline in the enclosure; The shank that will have syringe needle through locking device is connected with pushing ram, on pushing ram, also is provided with second pressure transducer, and described second pressure transducer links to each other with the signal processing main frame.
Described first pressure transducer preferably is located between the position that contacts of top and medicine bottle of push rod of medical fluid injector.Be located at this position, pressure transducer can responsive more perception injection pressure change.
Described second pressure transducer preferably is located at the top of the automatic angle of rake pushing ram of injection needle.Second pressure transducer is located at the top can put on the pressure on the shank by more sensitive perception pushing ram.
This utility model is operation like this: at medical fluid injector installation medicine bottle and through hose connection syringe needle on the injection needle propeller; Through the degree of depth of thrusting of the good syringe needle of signal processing host computer control, linear electric motors running then drives pushing ram and advances; The progressive pressure of the second pressure transducer perception pushing ram changes; And with transfer of data to the signal processing main frame, shank drives syringe needle and at the uniform velocity advances automatically and get in mucosa, the muscular tissue and finally arrive at desired depth under the propelling of pushing ram.The motor of medical fluid injector and step actuator thereof running simultaneously; The promotion push rod advances; The medicinal liquid that promotes in the medicine bottle gets in the syringe needle along flexible pipe, and the progressive pressure of the first pressure transducer perception push rod changes, and transfer of data is arrived the signal processing main frame; Syringe needle is injected anaesthetic automatic at the uniform velocity the propelling in the process that also finally arrives at desired depth in entering mucosa, the muscular tissue, anaesthetizes the long nerve of cheek, nervus lingualis, inferior alveolar nerve tissue successively.If when syringe needle accident intravasation, injection pressure will diminish suddenly, reacts on the push rod of medical fluid injector; After the first pressure transducer perception with transfer of data in the signal processing main frame, the signal processing main frame through the contrast, after affirmation is vascular pressure; Send caution, after the degree of depth of adjustment syringe needle withdrawed from blood vessel automatically simultaneously, pressure increased once more at once; All clear is accomplished the injection of residue medicinal liquid.When in syringe needle is not arriving at the way of desired depth, running into sclerotin; Progressive resistance increases; Resistance through syringe needle, shank, be transmitted to second pressure transducer, the pressure of the second pressure transducer perception shank increases, and transfers signals to the signal processing main frame; The signal processing main frame sends instruction and stops the injection that to continue to advance syringe needle and stop medicinal liquid automatically, and the doctor can in time adjust the angle or the degree of depth of syringe needle and avoid the deeper injection anaesthetic of sclerotin continued inserting needle to needs.
This shows; The intelligent automatic anesthesia injection appearance of this utility model; At the unexpected intravasation of syringe needle or when running into sclerotin; Can make corresponding change automatically, in order to avoid anesthetics intravasation and dangerous or when syringe needle runs into sclerotin and can not avoid, thereby realize the purpose of block anesthesia of inferior alveolar nerve safety painless injection.
Description of drawings:
Fig. 1 is the structural representation of the intelligent automatic anesthesia injection appearance of this utility model;
Fig. 2 is the automatic angle of rake A-A cutaway view of injection needle;
Wherein 1, linear electric motors; 2, second pressure transducer; 3, pushing ram; 4, locking device; 5, shank; 6, syringe needle; 7, flexible pipe; 8, circuit gets into the hole; 9, shell; 10, housing; 11, motor; 12, gripper shoe; 13, push rod; 14, first pressure transducer; 15, medicine bottle; 16, liquid crystal display; 17, data handler; 18, step actuator; 19, the automatic propeller of injection needle.
The specific embodiment:
Following examples are to the further specifying of this utility model, rather than to the restriction of this utility model.
Embodiment 1:
As depicted in figs. 1 and 2; The intelligent automatic anesthesia injection appearance of present embodiment comprises medical fluid injector and the automatic propeller 19 of injection needle; Described medical fluid injector comprises that housing 10, the left side in housing 10 are provided with gripper shoe 12; Be provided with motor 11 and step actuator 18 thereof in the bottom of gripper shoe 12, the push rod installation channel that the motor shaft of motor 11 links to each other with push rod 13, push rod 13 passes on the gripper shoe 12 links to each other with medicine bottle 15 on the housing 10, between the position that contacts of the top of push rod 13 and medicine bottle 15, first pressure transducer 14 is housed; Described first pressure transducer 14 links to each other with data handler 17; This data handler 17 again with housing on liquid crystal display 16 link to each other, constitute the signal processing main frame by data handler 17 and liquid crystal display 16, on medicine bottle 15, also be connected with flexible pipe 7; Syringe needle 6 through on the shank 5 on the automatic propeller 19 of flexible pipe 7 and injection needle links to each other; The automatic propeller 19 of this injection needle comprises shell 9, is provided with the linear electric motors 1, pushing ram 3 and the locking device 4 that connect successively in the hollow pipeline in shell 9, through locking device shank 5 is linked to each other with pushing ram 3; Also be provided with second pressure transducer 2 on the top of pushing ram 3, described second pressure transducer 2 gets into hole 8 through the circuit via line and links to each other with data handler 17.
Present embodiment is operation like this: medicine bottle 15 is being installed on the medical fluid injector and is being connected in the syringe needle 6 on the injection needle propeller 19 through flexible pipe 7; Control the degree of depth of thrusting of syringe needle 6 well through data handler 17; Linear electric motors 1 running then; Drive pushing ram 3 and advance, second pressure transducer, 2 perception pushing rams, 3 progressive pressure change, and transfer of data is arrived data handler 17; Shank 5 drives syringe needle 6 and at the uniform velocity also finally arrives at desired depth in propelling entering mucosa, the muscular tissue automatically under the propelling of pushing ram 3.Motor 11 and step actuator 18 runnings thereof in linear electric motors 1 running; Promoting push rod 13 advances; And then the medicinal liquid of injecting in the medicine bottle 15 gets in the syringe needles 6 along flexible pipe 7, and first pressure transducer, 14 perception push rods, 13 progressive pressure change, and with transfer of data to data handler 17; Syringe needle 6 is injected anaesthetic automatic at the uniform velocity the propelling in the process that also finally arrives at desired depth in entering mucosa, the muscular tissue, anaesthetizes the long nerve of cheek, nervus lingualis, inferior alveolar nerve tissue successively.If when syringe needle 6 unexpected intravasations, injection pressure will diminish suddenly, react on the push rod 13, after 14 perception of first pressure transducer with transfer of data in data handler 17; Data handler 17, is shown in the result on the liquid crystal display 16 after affirmation is vascular pressure through contrast; And at once send caution, adjust the degree of depth of syringe needle 6 automatically, make it withdraw from blood vessel after; Pressure increases once more, and all clear is accomplished the injection of residue medicinal liquid.When in syringe needle 6 is not arriving at the way of desired depth, running into sclerotin; Progressive resistance increases; Resistance increases through syringe needle 6, shank 5, the pressure that is transmitted to second pressure transducer, 2, the second pressure transducers, 2 perception shanks 5, transfers signals in the data handler 17; Send instruction in the data handler 17 and stop to continue advancing syringe needle; And stop the injection of medicinal liquid automatically, and the result is shown on the liquid crystal display 16, the doctor can in time adjust the angle or the degree of depth of syringe needle 6 and avoid sclerotin continued inserting needle to the deeper injection anaesthetic that needs.
Claims (3)
1. an intelligent automatic anesthesia injection appearance comprises the automatic propeller of medical fluid injector and injection needle, and described medical fluid injector comprises housing, the intravital gripper shoe of shell; Be provided with motor and step actuator thereof in the bottom of gripper shoe; The motor shaft of motor links to each other with push rod, and the push rod installation channel that push rod passes on the gripper shoe links to each other with medicine bottle on the housing, and medicine bottle links to each other with syringe needle on the automatic angle of rake shank of injection needle through flexible pipe again; It is characterized in that; On the push rod of described medical fluid injector, also be provided with first pressure transducer, first pressure transducer links to each other with the signal processing main frame, and the automatic propeller of described injection needle comprises shell; Be provided with the linear electric motors, pushing ram and the locking device that connect successively in the hollow pipeline in the enclosure; The shank that will have syringe needle through locking device is connected with pushing ram, on pushing ram, also is provided with second pressure transducer, and described second pressure transducer links to each other with the signal processing main frame.
2. intelligent automatic anesthesia injection appearance according to claim 1 is characterized in that, described first pressure transducer is located between the position that contacts of top and medicine bottle of push rod of medical fluid injector.
3. intelligent automatic anesthesia injection appearance according to claim 1 is characterized in that described second pressure transducer is located at the top of the automatic angle of rake pushing ram of injection needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204348294U CN202336134U (en) | 2011-11-04 | 2011-11-04 | Intelligent automatic anesthesia injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204348294U CN202336134U (en) | 2011-11-04 | 2011-11-04 | Intelligent automatic anesthesia injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202336134U true CN202336134U (en) | 2012-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204348294U Expired - Fee Related CN202336134U (en) | 2011-11-04 | 2011-11-04 | Intelligent automatic anesthesia injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202336134U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104623769A (en) * | 2015-02-07 | 2015-05-20 | 杨一辰 | Rapid anesthesia device |
| CN109771132A (en) * | 2019-01-22 | 2019-05-21 | 温州医科大学附属眼视光医院 | Injection device |
| CN112890946A (en) * | 2021-01-19 | 2021-06-04 | 中国医学科学院肿瘤医院 | Handheld puncturing device and control method |
| CN113509623A (en) * | 2021-07-12 | 2021-10-19 | 马新刚 | Synchronous propelling device for local anesthesia |
| CN115337498A (en) * | 2022-08-22 | 2022-11-15 | 中山大学附属第五医院 | Venipuncture auxiliary device and control method |
-
2011
- 2011-11-04 CN CN2011204348294U patent/CN202336134U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104623769A (en) * | 2015-02-07 | 2015-05-20 | 杨一辰 | Rapid anesthesia device |
| CN109771132A (en) * | 2019-01-22 | 2019-05-21 | 温州医科大学附属眼视光医院 | Injection device |
| CN112890946A (en) * | 2021-01-19 | 2021-06-04 | 中国医学科学院肿瘤医院 | Handheld puncturing device and control method |
| CN113509623A (en) * | 2021-07-12 | 2021-10-19 | 马新刚 | Synchronous propelling device for local anesthesia |
| CN113509623B (en) * | 2021-07-12 | 2022-10-04 | 马新刚 | Synchronous propelling device for local anesthesia |
| CN115337498A (en) * | 2022-08-22 | 2022-11-15 | 中山大学附属第五医院 | Venipuncture auxiliary device and control method |
| CN115337498B (en) * | 2022-08-22 | 2024-02-02 | 中山大学附属第五医院 | Venipuncture auxiliary device and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20201104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |