CN101051232A - Automatic regulating and controlling instrument for pressure in catheter saccule - Google Patents
Automatic regulating and controlling instrument for pressure in catheter saccule Download PDFInfo
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- CN101051232A CN101051232A CNA2006100211370A CN200610021137A CN101051232A CN 101051232 A CN101051232 A CN 101051232A CN A2006100211370 A CNA2006100211370 A CN A2006100211370A CN 200610021137 A CN200610021137 A CN 200610021137A CN 101051232 A CN101051232 A CN 101051232A
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- 210000005077 saccule Anatomy 0.000 title abstract 4
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- 238000009530 blood pressure measurement Methods 0.000 claims description 20
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Abstract
The pressure measuring controller is connected with the singlechip and connected with the pressure measuring saccule of the catheter saccule through a pipe fitting, the man-machine interaction operation key and the display are respectively connected with the singlechip, and the power supply is connected with the singlechip and the pressure induction controller to provide working current for the singlechip and the pressure induction controller. The components can be assembled into a plurality of parts and can also be assembled in a centralized manner in a machine shell. The instrument can display the pressure in the saccule in real time; automatically adjusting the pressure in the balloon according to a set pressure mode, and keeping the pressure in the balloon constant in a set range; maintaining the balloon at a set pressure for a period of time; the continuous working mode can be set, and the continuous working mode can be switched among various working modes without interruption. Therefore, the safety of clinical operation and the accuracy of scientific research are improved.
Description
Technical field
The invention belongs to medical instruments field, the device for automatically regulating of the internal pressure of the sacculus that is provided with on particularly a kind of medical catheter.
Background technology
In curative activity, because the needs of observing and treating are often inserted different conduits in the human body body cavity, for example: insert the ventilation laryngeal mask of bottleneck throat, insert endotracheal tracheal catheter, insert the urinary catheter of urethra, insert the catheter in blood vessel of blood vessel etc.Because the conduit outer wall of inserting and the inwall of body cavity usually can not fit like a glove, therefore inserting the sacculus that usually is provided with one or more almost sphericals on the suitable location of conduit.Sacculus surrounds on the conduit outer wall, certain elasticity and expansivity are arranged, and link to each other with the hand valve of far-end by one or a few gas transmission that communicates with it or liquid-transport pipe-line, by hand valve and gas transmission or liquid-transport pipe-line, thereby gas in the syringe or liquid can pass in and out the size that sacculus changes sacculus, make sacculus apply certain pressure to the inwall of body cavity, the sacculus outer wall of the conduit that assurance is inserted and the inner wall surface of body cavity are closely pasted mutually, increase the sealing of surface of contact, prevent that gas leakage, leakage or conduit from coming off.When injecting gas in sacculus and liquid, owing to do not carry out quantitative pressure monitoring, method in common is according to the experience capacity of recommending clinically, or estimates according to the tension force of one that is connected between gas transmission or transfusion catheter and hand valve pressure measurement sacculus that communicates with sacculus whether the pressure in the sacculus is suitable.Because there is individual difference in the singularity of clinical position between the patient, rule of thumb injecting gas/liquid often causes the sacculus internal pressure too high or too low easily in sacculus.In some cases, because the dispersion of special gas molecule, make conduit in use the pressure in the sacculus also can prolongation in time increase gradually because balloon wall is thinner, can think that therefore the pressure in the sacculus just equals the pressure of sacculus to body cavity walls.The sacculus of high pressure causes compressing to the mucous membrane of body cavity inside surface, prove on evidence: the balloon compression mucous membrane of excess pressure, just can cause tissue adherence ischemic, necrosis in short time, come off, severe patient even local ulcer can occur, the healing back forms scar, cause body cavity narrow, the patient is damaged.And low excessively pressure can cause the sealing between pipeline and the body cavity to descend, and causes gas leakage, leakage or conduit to come off, and also will increase the risk of clinical position.In addition, for the patient of long-term arrangement body cavity inner catheter, put the critical patient of pipe as prolonged operations patient, intensive care unit midium or long term, because sacculus also can cause the tissue adherence ischemic necrosis to the long-term contention effect of body cavity mucosa.Therefore, even recover full state after the sacculus internal pressure also needs regularly sacculus temporarily to be reduced pressure again in the scope of safety,, prevent that severe complication from taking place to recover the normal blood confession of mucous membrane.
At present, the common apparatus that the sacculus internal pressure is monitored is that a band is manually inflated the spring table of leather bag, when the spring table is communicated with the hand valve of conduit, can read pressure value in the sacculus by the mode that reads scale, also can be by inflating the manual inflation of leather bag or use the manual venting of degassing button to regulate the sacculus internal pressure.But because clinical position is busy unusually, the mode of this monitoring and adjusting pressure has strengthened staff's labour intensity to a certain extent, has also influenced pressure controlled accuracy, therefore, uses less in real work.
Chinese patent 200410022912.5 discloses a kind of intubate air bag automatic aerator, this inflator comprises lung ventilator, snorkel, exhale tube, tracheal catheter and air bag, described snorkel and exhale tube one termination lung ventilator, after crossing mutually, the other end joins with tracheal catheter, air bag is located at the outside, tracheal catheter bottom, on the pipeline of snorkel, be provided with the self-filler that to supply gas or to exhale with lung ventilator, be communicated with air bag by the air bag tracheae.Self-filler has two kinds of forms, and a kind of is mechanical structure, and a kind of is the electronic type structure.Though this automatic aerator can partly solve the problems referred to above in the tracheal catheter air bag, but have following shortcoming on 26S Proteasome Structure and Function: 1, mechanical type self-filler and electronic type self-filler all will just can be finished pressure controlling to sacculus by means of existing lung ventilator or Anesthesia machine, so this inflator is not suitable for not using the regulation and control of the balloon pressure of the patient of lung ventilator or Anesthesia machine and other conduits outside the gas removing pipe conduit.2, the gas replenishment process of this inflator is a dynamic inflation process, promptly breathe all once inflation, deflation course each time, though theoretically by can reduce compressing to the dynamic inflation of air bag and venting to tracheae, but air bag is implemented just may to increase friction and stimulation to inner surface of trachea with frequent inflation of breathing same frequency and bleed air operation itself, thereby increase patient's the discomfort and the reaction of cardiovascular aspect, even might increase infringement to tunica mucosa tracheae, so its feasibility awaits further discussion.3, air bag is implemented to make the TPER of sacculus shorten with frequent inflation of breathing same frequency and bleed air operation that therefore the time lengthening that withers makes secretion or other foreign matter be easy to the anti-air flue that flows into, thereby increased the danger that mistake is inhaled and suffocated.4, not only structure is comparatively complicated for the mechanical type self-filler, and the elastic force that the operator needs to change spring by manual operation when using comes the pressure in the air bag is regulated, inconvenient operation, and accuracy is relatively poor.5, the electronic type self-filler need use two pressure transducers, and built-in circuit is comparatively complicated.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of automatic regulating and control instrument in conduit pipe sacculus is provided, this kind instrument is not only applicable to the real-time monitoring and the regulation and control of the internal pressure of multiple catheter-balloon, and multiple mode of operation can be set as required.
Automatic regulating and control instrument in conduit pipe sacculus of the present invention comprises single-chip microcomputer, pressure survey modulator, man-machine interactive operation button, display and the power supply that is used for master control, the pressure survey modulator is connected with single-chip microcomputer and is connected with the pressure measurement sacculus of catheter-balloon by pipe fitting, man-machine interactive operation button, display are connected with single-chip microcomputer respectively, power supply is connected with the pressure sensitive modulator with single-chip microcomputer, for they provide working current.
In order further to improve security and to expand functions of use, the single-chip microcomputer of automatic regulating and control instrument in conduit pipe sacculus of the present invention also is connected with alarm lamp, alarm speaker and storer, also be provided with USB interface on the single-chip microcomputer, power supply is provided with power light.
Described pressure survey modulator is made of pressure transducer, programmed switch and program control inflator pump; Programmed switch is connected with single-chip microcomputer, and is connected with program control inflator pump with the pressure measurement sacculus by pipe fitting, is in closed condition or air inlet state or deflated state under the control of single-chip microcomputer; Program control inflator pump is connected with single-chip microcomputer, under the control of single-chip microcomputer catheter-balloon is inflated or out of service; Pressure transducer is installed on the pipeline that connects pressure measurement sacculus and programmed switch, and is connected with single-chip microcomputer, changes the pressure signal in the sacculus into electric signal and sends single-chip microcomputer to.
In order to satisfy clinical and multiple needs scientific research, especially guarantee carrying out smoothly of clinical treatment and observation, be provided with transfer valve on the pipeline between pressure survey modulator and the pressure measurement sacculus, by regulating transfer valve, can switch to catheter-balloon auto-control inflation venting and between manually inflation is exitted, when switching to manual inflation venting, available syringe is inflated venting.
Above-mentioned member had both can be assembled into several parts and had installed, also can concentrate in the casing and install, if concentrating on a casing installs, offer corresponding jack or/and window on the described casing, display screen, man-machine interactive operation button are positioned at the casing surface, single-chip microcomputer, storer, pressure survey modulator are placed in the casing, and power light, alarm lamp and alarm speaker are installed on the casing.Simultaneously, the pressure survey modulator also can be separately be disposed in the existing vital signs monitors in the mode of plug-in unit as the operational module of activity and uses.
Automatic regulating and control instrument in conduit pipe sacculus of the present invention has following function: real-time display ball intraluminal pressure; Automatically regulate pressure in the sacculus according to the pressure pattern of setting, keep the constant scope of setting of sacculus internal pressure; Make sacculus under the pressure of setting, keep the regular hour; Can set continuous operation mode, switch between multiple mode of operation automatically, uninterrupted continuous working (for example: make sacculus be transformed into another kind of pressure state automatically after keeping certain hour under certain set pressure and keep certain hour; Or sacculus after keeping certain hour, the full state of set pressure is reduced pressure automatically keep certain hour at the state of withering, return to the full state of set pressure then again); Mode of operation and the actual measurement data that can set with trend map and data dual mode recording storage automatically make things convenient for data to look back in the past; By USB interface, the downloaded stored data are uploaded new working routine simultaneously, upgrade the systematic parameter of instrument internal according to the real work needs; Have and setting warning function under the alert if, and can set no response processing mode after alarm sound type, volume, alarm times, duration, interval time, the warning etc.; Display power supply duty in real time; Be provided with transfer valve, can conveniently between manual and automatic two kinds of modes of operation, switch.
The main mode of operation of automatic regulating and control instrument in conduit pipe sacculus of the present invention is as follows:
1, under the open state, instrument is with after the pressure measurement sacculus is connected, by the real-time display ball intraluminal pressure of display.
2, under the open state, enter " pressure pattern " menu, the pressure in the sacculus is set by clicking menu key.Instrument is according to the pressure of setting, and it is constant to keep the sacculus internal pressure.
3, under the open state, enter " temporal mode " menu by clicking menu key, the time of keeping the sacculus internal pressure is set, instrument is according to the time dimension holding intraluminal pressure of setting.
4, under the open state, enter " alarm mode " menu, no response processing mode after alarm sound type, volume, number of times, interval time, alarm limit, the warning etc. is set by clicking menu key.Instrument automatic sound-light alarm after reaching the acquiescence alert if.Can eliminate warning by clicking " report to the police and eliminate " key.
5, under the open state, enter " continuous operation mode " menu, continuous operation mode is set or programmed by clicking menu key.
6, under the open state, enter " data reviews " menu, consult in the past in the course of work pressure and time parameter accordingly by clicking menu key.
7, by regulating the transfer valve that is provided with on the pipeline between pressure survey modulator and the pressure measurement sacculus, manually switching between inflation venting and two kinds of modes of operation of automatic inflation venting.
The present invention has following beneficial effect:
1, behind the configuration one-shot tube spare applicable to the real-time monitoring and the regulation and control of multiple catheter-balloon internal pressure, for example, insert endotracheal tracheal catheter, insert the urinary catheter of urethra, insert the catheter in blood vessel of blood vessel etc.
2, pressure in the sacculus can be shown in real time, thereby the blindness of operating can be overcome rule of thumb with subjective judgement.
3, can be according to setting the time of regulating the sacculus internal pressure and keeping this constant pressure automatically, thereby improved the accuracy of the security and the scientific research of clinical manipulation, avoided that the sacculus internal pressure is too high or too low, the long or too short complication that causes of holding time and to patient's injury, reduced medical-risk and medical tangle.
4, since instrument automatically according to setup parameter work and have warning function, thereby reduced the labour intensity of medical worker and scientific research personnel work, reduced because the adverse consequences that negligent supervision and instrument failure cause has improved work efficiency, guaranteed work safety.
5, can set the multiple continuous operation mode that can change automatically, make mode of operation be convenient to regulation and control and management, more scientific and reasonable.
6, instrument can write down relevant retrospective materials automatically, for the investigation and the scientific research of clinical data provides convenience.
7, simple in structure, intelligent degree is higher, and volume is littler, and is easy to operate, economical and practical.
8, be provided with the transfer valve that switches between inflation venting and the automatic inflation venting manually, satisfied the multiple needs in clinical and the scientific research operation.
Description of drawings
Fig. 1 is a kind of structured flowchart of automatic regulating and control instrument in conduit pipe sacculus of the present invention;
Fig. 2 is another structured flowchart of automatic regulating and control instrument in conduit pipe sacculus of the present invention;
Fig. 3 is a kind of structure diagram of pressure survey modulator of the present invention;
Fig. 4 is a kind of outside drawing of automatic regulating and control instrument in conduit pipe sacculus of the present invention;
Fig. 5 is the another kind of outside drawing of automatic regulating and control instrument in conduit pipe sacculus of the present invention;
Fig. 6 is another outside drawing of automatic regulating and control instrument in conduit pipe sacculus of the present invention;
Among the figure, the program control inflator pump of 1-, 2-programmed switch, 3-pressure transducer, 4-pipe adapter, 5-prolong pipe, 6-transfer valve, 7-pressure measurement sacculus, 8-gas-filled tube, 9-catheter-balloon, 10-conduit, 11-casing, 12-display screen, 13-man-machine interactive operation button, 14-built-in power charging jack, 15-power light, 16-alarm lamp, 17-alarm speaker, 18-USB jack, 19-pressure survey modulator.
Embodiment
The structure of the described automatic regulating and control instrument in conduit pipe sacculus of present embodiment is made of the single-chip microcomputer that is used for master control, the pressure survey modulator that is connected with single-chip microcomputer, man-machine interactive operation button, display and power supply as shown in Figure 1.Single-chip microcomputer is selected the 89c52 single-chip microcomputer for use, and display is selected general lattice LCD (having this class display of multiple model to sell on the market) for use.
The structure of pressure survey modulator is made of pressure transducer 3, programmed switch 2 and program control inflator pump 1 as shown in Figure 3; Programmed switch 2 is connected with single-chip microcomputer, and is connected with program control inflator pump 1 with pressure measurement sacculus 7 by pipe fitting, is in closed condition or air inlet state or deflated state under the control of single-chip microcomputer; Program control inflator pump 1 is connected with single-chip microcomputer, under the control of single-chip microcomputer catheter-balloon 9 is inflated or out of service; Pressure transducer 3 is installed on the pipeline that connects pressure measurement sacculus 7 and programmed switch 2, and is connected with single-chip microcomputer, changes the pressure signal in the sacculus into electric signal and sends single-chip microcomputer to.Pressure transducer 3, programmed switch 2 and program control inflator pump 1 provide working current by power supply.Pressure transducer 3 is selected CYB23 series isolated differential pressure transmitter (commercial goods is arranged) for use, and programmed switch 2 is a direct-acting electromagnetic valve, model GPF12-10A (commercial goods is arranged); It is the pneumatic pump (commercial goods is arranged) of PSF6003 that program control inflator pump 1 is selected model for use.
Designed rectangular parallelepiped casing 11 as described in Figure 4, the casing back side is provided with disposable battery mounting groove (not expressing among the figure), can select to use multiple power supply power supply.The casing tail end is provided with built-in power charging jack 14, and LCDs 12 and man-machine interactive operation button 13 are positioned at the casing surface, and each member of single-chip microcomputer and pressure survey modulator is installed in the casing 11.
As shown in Figure 4, disposed and be convenient to the pipe adapter 4 dismantling, assemble and prolong pipe 5, when clinical use, be used for being connected of pressure survey modulator and pressure measurement sacculus 7.
The structure of the described automatic regulating and control instrument in conduit pipe sacculus of present embodiment as shown in Figure 2, mainly constitute by the single-chip microcomputer that is used for master control, the pressure survey modulator that is connected with single-chip microcomputer, man-machine interactive operation button, display, storer, alarm lamp, alarm speaker and power supply, power supply is provided with power light, also is provided with USB interface on the single-chip microcomputer.Single-chip microcomputer is selected the 89c52 single-chip microcomputer for use, and display is selected general lattice LCD (having this class display of multiple model to sell on the market) for use, and storer has multiple commercially available prod can supply to select for use.
The structure of pressure survey modulator as shown in Figure 3, and is identical with embodiment 1.
Designed rectangular parallelepiped casing 11 as described in Figure 5, the casing back side is provided with disposable battery mounting groove (not expressing among the figure), can select to use multiple power supply power supply.The casing tail end is provided with built-in power charging jack 14, and the bottom of casing has USB jack 18.LCDs 12 and man-machine interactive operation button 13 are positioned at the casing surface, and power light 15, alarm lamp 16 and alarm speaker 17 are installed in the top of casing.Each member of single-chip microcomputer, storer and pressure survey modulator is installed in the casing 11.
As shown in Figure 5, disposed the pipe adapter 4 being convenient to dismantle, assemble, prolonged pipe 5, transfer valve 6, pipe adapter 4 and prolong pipe 5 and be used for being connected of pressure survey modulator and pressure measurement sacculus 7, transfer valve 6 be installed in prolongation manage 5 and pressure measurement sacculus 7 between.
The structure of the described automatic regulating and control instrument in conduit pipe sacculus of present embodiment as shown in Figure 2, mainly constitute by the single-chip microcomputer that is used for master control, the pressure survey modulator that is connected with single-chip microcomputer, man-machine interactive operation button, display, storer, alarm lamp, alarm speaker and power supply, power supply is provided with power light, also is provided with USB interface on the single-chip microcomputer.Single-chip microcomputer is selected the 89c52 single-chip microcomputer for use, and display is selected general lattice LCD (having this class display of multiple model to sell on the market) for use, and storer has multiple commercially available prod can supply to select for use.
The structure of pressure survey modulator as shown in Figure 3, and is identical with embodiment 1.
As shown in Figure 6, single-chip microcomputer, storer and pressure survey modulator 19 are installed in the cabinet, display and man-machine interactive operation button 13 each self-separation are placed, power light 15, alarm lamp 16 and alarm speaker 17 are installed on the shell of display, and power source charges jack 14, USB jack 18 are opened in the cabinet bottom.
As shown in Figure 6, disposed the pipe adapter 4 being convenient to dismantle, assemble, prolonged pipe 5, transfer valve 6, pipe adapter 4 and prolong pipe 5 and be used for being connected of pressure survey modulator and pressure measurement sacculus 7, transfer valve 6 be installed in prolongation manage 5 and pressure measurement sacculus 7 between.
Claims (8)
1, a kind of automatic regulating and control instrument in conduit pipe sacculus, it is characterized in that comprising the single-chip microcomputer, pressure survey modulator, man-machine interactive operation button, display and the power supply that are used for master control, the pressure survey modulator is connected with single-chip microcomputer and is connected with the pressure measurement sacculus of catheter-balloon by pipe fitting, man-machine interactive operation button, display are connected with single-chip microcomputer respectively, power supply is connected with the pressure sensitive modulator with single-chip microcomputer, for they provide working current.
2, automatic regulating and control instrument in conduit pipe sacculus according to claim 1 is characterized in that single-chip microcomputer also is connected with alarm lamp, alarm speaker and storer, also is provided with USB interface on the single-chip microcomputer, and power supply is provided with power light.
3, automatic regulating and control instrument in conduit pipe sacculus according to claim 1 and 2 is characterized in that the pressure survey modulator is made of pressure transducer (3), programmed switch (2) and program control inflator pump (1);
Programmed switch (2) is connected with single-chip microcomputer, and is connected with program control inflator pump (1) with pressure measurement sacculus (7) by pipe fitting, is in closed condition or air inlet state or deflated state under the control of single-chip microcomputer;
Program control inflator pump (1) is connected with single-chip microcomputer, under the control of single-chip microcomputer catheter-balloon (9) is inflated or out of service;
Pressure transducer (3) is installed on the pipeline that connects pressure measurement sacculus (7) and programmed switch (2), and is connected with single-chip microcomputer, changes the pressure signal in the sacculus into electric signal and sends single-chip microcomputer to.
4, automatic regulating and control instrument in conduit pipe sacculus according to claim 1 and 2 is characterized in that the pipeline between pressure survey modulator and the pressure measurement sacculus is provided with the transfer valve (6) of exitting and manually switching between the inflation venting in the inflation to the catheter-balloon auto-control.
5, automatic regulating and control instrument in conduit pipe sacculus according to claim 3 is characterized in that the pipeline between pressure transducer (3) and the pressure measurement sacculus (7) is provided with the transfer valve (6) of exitting and manually switching between the inflation venting in the inflation to the catheter-balloon auto-control.
6, automatic regulating and control instrument in conduit pipe sacculus according to claim 1, it is characterized in that also comprising casing (11), have built-in power charging jack (14) on the casing, display screen (12), man-machine interactive operation button (13) are positioned at the casing surface, and single-chip microcomputer and pressure survey modulator are placed in the casing.
7, automatic regulating and control instrument in conduit pipe sacculus according to claim 2, it is characterized in that also comprising casing (11), have built-in power charging jack (14) and USB jack (18) on the casing, display screen (12), man-machine interactive operation button (13) are positioned at the casing surface, power light (15), alarm lamp (16) and alarm speaker (17) are installed on the casing, and single-chip microcomputer, pressure survey modulator and storer are placed in the casing.
8, automatic regulating and control instrument in conduit pipe sacculus according to claim 1 and 2, it is characterized in that each self-separation placement of man-machine interactive operation button and display, single-chip microcomputer, pressure survey modulator or single-chip microcomputer, storer, pressure survey modulator are installed in the cabinet.
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| CNB2006100211370A CN100495278C (en) | 2006-06-09 | 2006-06-09 | Automatic regulating and controlling instrument for pressure in catheter saccule |
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| CNB2006100211370A CN100495278C (en) | 2006-06-09 | 2006-06-09 | Automatic regulating and controlling instrument for pressure in catheter saccule |
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| CN101051232A true CN101051232A (en) | 2007-10-10 |
| CN100495278C CN100495278C (en) | 2009-06-03 |
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| US4781677A (en) * | 1985-07-17 | 1988-11-01 | Wilcox Gilbert M | Method of treatment utilizing a double balloon nasobiliary occlusion catheter |
| CN1027130C (en) * | 1990-03-13 | 1994-12-28 | 国防科工委航天医学工程研究所科技开发部 | Detecting instrument for alimentary canal |
| CN2177447Y (en) * | 1993-12-30 | 1994-09-21 | 刘峥 | Saccule micro-catheter sensor device for monitoring intracranial pressure through external cavity of spinal cord of lumbar |
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| CN104352217A (en) * | 2014-10-21 | 2015-02-18 | 深圳市中科微光医疗器械技术有限公司 | Esophagus OCT system and application method thereof |
| CN104586412A (en) * | 2014-12-31 | 2015-05-06 | 张贵志 | Digestive tract pressure measurer for digestion department |
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| CN107126612A (en) * | 2017-06-08 | 2017-09-05 | 南京宏安医疗科技有限公司 | One kind automatically controls double sacculus sleeve pipe incision cannulas |
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| CN108310597A (en) * | 2018-02-12 | 2018-07-24 | 深圳世格赛思医疗科技有限公司 | A kind of balloon expandable system |
| CN109460080A (en) * | 2018-11-08 | 2019-03-12 | 深圳市南普科创科技有限公司 | A kind of Intelligent air pressure controller |
| CN111494781A (en) * | 2020-04-13 | 2020-08-07 | 北京东方逸腾数码医疗设备技术有限公司 | Pressure analysis recording system applied to balloon dilator |
| CN114886503A (en) * | 2022-05-27 | 2022-08-12 | 深圳英美达医疗技术有限公司 | Shock wave sacculus pipe based on point discharge |
| CN115337524A (en) * | 2022-08-25 | 2022-11-15 | 深圳市爱博医疗机器人有限公司 | Balloon pressure system, balloon pressurization method and storage medium |
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