CN107468261A - A kind of continuous stomach wall pressure measurement monitoring system - Google Patents
A kind of continuous stomach wall pressure measurement monitoring system Download PDFInfo
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- CN107468261A CN107468261A CN201710790706.6A CN201710790706A CN107468261A CN 107468261 A CN107468261 A CN 107468261A CN 201710790706 A CN201710790706 A CN 201710790706A CN 107468261 A CN107468261 A CN 107468261A
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
- A61B5/224—Measuring muscular strength
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6823—Trunk, e.g., chest, back, abdomen, hip
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6831—Straps, bands or harnesses
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
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- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The invention discloses a kind of continuous stomach wall pressure measurement monitoring system, it includes multi-path pressure sensor-based system, collecting and measuring system, computer, multi-path pressure sensor-based system is connected by collecting and measuring system with computer, and wherein multi-path pressure sensing system takes fixed multiple pressure sensors by the band and bar that are bundled in human abdomen and formed；Collecting and measuring system is sequentially connected and formed by pressure voltage transformation module, signal amplification module, multi-channel data acquisition sending module, and wherein pressure sensor output end is connected with the input of pressure voltage transformation module；Apparatus of the present invention are simple in construction, easy to operate, can accurately obtain the result of patient abdomen pressure change, and the present apparatus is suitable to industrialization production and marketing application.
Description
Technical field
The present invention relates to a kind of continuous stomach wall pressure measurement monitoring system, belong to abdominal muscles state continuous monitoring field.
Background technology
Intra- abdominal pressure (intra-abdominal pressure, IAP) is the pressure under stable state in abdominal cavity closing lacuna
Power, mainly produced by the hydrostatic pressing of abdominal visceral browser, IAP maintains 0mmHg (1mmHg=0.133kPa) left and right when normal, critical
Patient is fluctuated in 5~7mmHg.
Abdominal compartment syndrome association of the world（world society of the abdominal compartment
Syndrome, WSACS）The updated Guidelines of release are continuing or occur IAP≤12mmHg repeatedly to be defined as IAH.When IAP continues height
In 20mmHg and there is new Organ Failure, regardless of whether there is intraperitoneal perfusion pressure（abdominal perfusion
Pressure, APP）<60mmHg all should be diagnosed as abdominal compartment syndrome（abdominal compartment
Syndrome, ACS）.IAH, ACS can cause widely to endanger to body.When IAP pathologic increases, blood vessel constriction can cause
Property ischemic before kidney, in turn result in the exception of renal function and acth secretion function；Intestinal ischemia can cause intestinal mucosa ischemic necrosis,
Bacterial translocation, the enteron aisle of swelling can further raise IAP and trigger vicious circle；Abdominal pressure can after being conducted by diaphram to thoracic cavity
Lung inflation is hindered, and causes the exception of returned blood volume and cardiac output, so as to cause intracranial pressure（intra-cranial
Pressure, ICP）Rise, while the change of blood pressure can further result in the infringement of body tissue, organ function.In severe
In PATIENT POPULATION, IAH incidence is 25.00%~58.80%, is to cause one of independent hazard factor of death, if neglecting
The monitoring to IAP, and the prevention and treatment to IAH, ACS have been omited, the prognosis of patient may have been had undesirable effect.
Intravesical pressure（intravesical pressure, IVP）Measurement：Bladder is a meta organ, and wall is soft；
In 0~70mmHg pressure limit, IVP and IAP direct measurement values correlation is high, and IVP determination techniques are easy, safe, easy
OK, therefore it is considered as " goldstandard " of IAP measure.
IVP detections are diagnosis and the basis for handling IAH/ACS, and dynamic IVP monitorings are the standard monitoring items of high-risk patient
One of mesh, the IAH/ACS processing strategies under IVP is instructed significantly improve survival of patients, and the infringement controlling under IVP guidances is answered
Soviet Union, it is expected to Secondary cases ACS incidence of the haemorrhagic shock excessively caused by recovery after reduction severe trauma.These achievement premises be
Correct measurement IVP.
Critical patient answers routine assessments IAH/ACS dangerous；IAP should be measured during two or more hazards；IAH be present
When, it should dynamically measure IAP.So-called hazards include：（1）Stomach wall compliance declines or disappeared, including ARDS, intrathoracic pressure liter
Gao Shi；Abdominal postoperative；Severe trauma or belly burn；More than bed head raising 30o or obese patient.（2）Gastrointestinal content
During increase, such as gasterasthenia, enteroparalysis and Ogilvie's syndrome.（3）During abdominal cavity content increase, including intraperitoneal hematocele, product
Gas, or ascites etc..（4）During capillary leak syndrome, including it is low blood pressure, acid poisoning, hypothermia, coagulation disorders, big
After quantity of fluid recovery, massive transfusion, anuria, pyemia and infringement controlling laparotomy etc..Recommend 1 time/4h discontinuous measurement；Go out
After existing organ injury, 1 time/h is answered.
Significantly improved although having over 20 years for IAH/ACS pathologic, physiologic, monitoring and diagnosis and treatment, we still suffer from
Problems.The necessity for being above all fully recognized that elevated IAP harm and being monitored in critical and surgical patients.
Correctly, the measurement of accurate intravesical pressure can help we have found that there is the peritoneal recurrence of IAH/ACS patient, to enter this kind of patient
Row early treatment can effectively reduce the harm that IAH/ACS is brought.
Actually the measurement to bladder pressure mainly uses simple connection measuring apparatus or multi-functional monitoring in clinic at present
Instrument pressure transducing external member, the method for discontinuous measurement intravesical pressure.It is interrupted injection before measuring not using 50mL asepsis injectors
The physiological saline of equivalent, then using midaxillary line as zero point, measurement apparatus is carried out compared with zero, balance measuring device, measured.Between
The shortcomings that disconnected measurement intravesical pressure, is the pressure for being only capable of response measurement point, it is impossible to the change of real time reaction Intra- abdominal pressure, for
The real-time change of intravesical pressure, lack early warning mechanism, monitoring may be caused to find peritoneal recurrence not in time, early diagnose and control
Treat not in time, the adverse consequences that increase peritoneal recurrence is brought, increase organ failure incidence and the death rate.
The content of the invention
Present invention aims at a kind of continuous stomach wall pressure measurement monitoring system is provided, using the multiple pressure of setting at belly
Sensor, measures the situation of change of stomach wall pressure, and current pressure state is intuitively observed by computer, and is pushed away with this
The belly state of disconnected current patient, while multiple monitoring point networkings can be carried out, realize more patients while measure, be a kind of nothing
Wound, clinical monitoring equipment conveniently, practical.
Continuous stomach wall pressure measurement monitoring system of the invention includes multi-path pressure sensor-based system, collecting and measuring system, calculating
Machine, multi-path pressure sensor-based system are connected by collecting and measuring system with computer, wherein multi-path pressure sensing system by
It is bundled in the band of human abdomen and bar takes fixed multiple pressure sensors composition；Collecting and measuring system is by pressure-voltage
Modular converter, signal amplification module, multi-channel data acquisition-sending module are sequentially connected composition, and wherein pressure sensor exports
End is connected with the input of Piezoelectric transducer module.
The resistance change of pressure sensor is converted into voltage, Piezoelectric transducer by the Piezoelectric transducer module
The output end of module is connected to the input of signal amplification module, and signal, which is amplified to, can be collected scope, signal amplification module
Output gathered by multi-channel data acquisition-sending module, while the data acquisition-sending module passes through wired or wireless way
Data are sent to signal transacting computer, realize the measurement of one or more measurement points.
The computer includes data receiver and display module, and the module sends multi-channel data acquisition-sending module
Data received, buffered, then shown；The module records the pressure change data of more than one measurement point, will suffer from
Then the pressure data of subsequent acquisition is contrasted as base value, passes through song by the data that person's belly gathers when soft with base value
Line reflects situation of change, multistage change threshold is concurrently set, for being prompted.
Apparatus of the present invention include the multi-path pressure sensor-based system and the collecting and measuring system of more than 2 of more than 2.
First, apparatus of the present invention can be helped we have found that the simultaneously abnormal disease of diagnosis and treatment guarding：
1st, the full abdomen tensity increase of guarding increase (1)：Have following several：1. belly satiety：During palpation, belly
Power increases, but without muscle spasmus, does not also have tenderness.See abdomen content increase such as intestinal tympanites or artificial pneumoperitoneum, intraperitoneal a large amount of abdomens
Water person.2. tabular abdomen sees acute gastric-intestinal perforation or Viscera rupture induced Acute general peritonitis, peritonaeum stimulates and causes abdomen
Caused by muscle spasmus.3. doughy sensation is more common in tubercular peritonitis, this is because tuberculous inflammation development is slower, and peritonaeum is stimulated
It is relatively slow, and have peritonaeum thicken with caused by intestinal tube, mesenteric mesaraic adhesion.This sign is also found in carcinomatous peritonitis.(2) stomach wall is local
Tensity increase.As upper abdomen or upper left tension of abdominal muscle are common in acute pancreatitis；Upper right abdomen is common in acute cholecystitis；Bottom right
Tension of abdominal muscle is common in acute appendix but also seen in gastric-intestinal perforation, and gastrointestinal contents on the right side of mesenterium along flowing to the right side during perforation
Lower abdomen, cause the muscle tonue and tenderness in the portion.In addition, in old, abdominal muscle depauperation, a large amount of ascites or obesity person
Though peritonaeum has inflammation, guarding can unobvious.Pelvic cavity viscera inflammation does not cause obvious guarding yet.
2nd, guarding lowers：When showing as pressing stomach wall, feel that stomach wall is soft powerless, mostly abdominal muscle tension force is reduced or disappeared
It is caused.(1) full abdomen tensity lowers：See myasthenia gravis, chronic wasting disease, serious low potassium or it is a large amount of put ascites after；
Also seen in the elderly or multipara of gynecological ailments.(2) local tension degree lowers：Stomach wall is locally soft powerless, more rare；
Often for caused by portion's paralysis of abdominal muclse or defect；The former sees polio or peripheral nerve injury, and the latter sees hernia or abdomen is straight
Flesh separation etc..
2nd, our early detections and diagnosis and treatment peritoneal recurrence and abdominal compartment syndrome can be helped；It is well known that abdominal cavity is high
Pressure not only influence wound healing, increase stomach wall or abdominal cavity infection incidence, and cause cardiovascular system, respiratory system,
The multiple organ dysfunctions such as hepatic and renal function, gut function function.Some clinical operations（Such as tension suture, surgical patch, abdominal belt）
The increase of guarding can be caused, so as to reduce stomach wall compliance, and the reduction of stomach wall compliance can cause abdominal pressure
Rise.Correctly measurement and assessment guarding can reduce the risk that peritoneal recurrence and abdominal compartment syndrome occurs,
Can also accurately measure simultaneously has the Intra- abdominal pressure of intravesical pressure measurement contraindication patient.
The current stomach wall state of patient is judged with this, and infers the relevant physiological situation in abdominal cavity of patients, is mainly solved
The problem of in terms of belly internal pressure measurement：1st, intravesical pressure, the change of real time reaction Intra- abdominal pressure are measured in real time；2nd, early detection abdomen
Intracavitary presses elevated situation, early diagnosis and therapy peritoneal recurrence/abdominal compartment syndrome, reduces complication rate, reduces
It endangers：3rd, it can ensure that result is accurate to measurement result pin-point reading；4th, measuring apparatus cost is low, easy to carry, is suitable for
Various medical environments, it is easy to popularize.
Brief description of the drawings
Fig. 1 is present apparatus structural representation；
Fig. 2 is multinode instrumentation plan.
Embodiment
The present invention is described in further detail below by drawings and examples, but the scope of the present invention is not limited to
The content.
Embodiment 1：As shown in figure 1, this continuous stomach wall pressure measurement monitoring system includes multi-path pressure sensor-based system, collection
Measuring system, computer, multi-path pressure sensor-based system are connected by collecting and measuring system with computer, wherein multi-path pressure
Sensing system is taken 5 fixed pressure sensors and formed by that can be bundled in the band of human abdomen and bar by thread gluing；
Collecting and measuring system is sequentially connected by Piezoelectric transducer module, signal amplification module, multi-channel data acquisition-sending module
Composition, wherein pressure sensor output end is connected with the input of Piezoelectric transducer module.
Multi-path pressure sensing system and collecting and measuring system use independent design simultaneously, using detachably between them
Joint connects, and can abandon multi-path pressure sensing system after surgery or independently sterilize, accomplish the device of a people one.
In patient abdomen pressure change, meeting squeeze pressure sensor, the resistance or capacitance for causing pressure sensor becomes
It is small；
The output of pressure sensor is connected with Piezoelectric transducer module, and resistance or capacitance can be converted to electricity by the module
Pressure value exports；
The output end of Piezoelectric transducer module is connected with the input of signal amplification module, and signal amplification module is by input
Voltage signal is amplified to can be by the scope of data acquisition-sending module identification；
The output end of multi-channel data acquisition-sending module is connected with computer, and analog voltage signal is converted into digital voltage,
Multi-channel data acquisition-sending module handles computer with back end signal by data/address bus such as USB and RS232 etc. and carries out data
Transmission；
The voltage gathered on computer is reflected as the pressure value of patient abdomen；
Before use, the band of multi-path pressure sensing system is wound in into patient abdomen, and sensor face is affixed to trouble
Person's belly, then fastens thread gluing, opens whole collecting and measuring system, then records the current abdominal muscles state of patient, most
It is well relaxed state, then records the magnitude of voltage currently collected；
In monitoring process, changed by observing the pressure data on computer, if in lax abdominal wall, pressure value can change
It is more steady, and pressure value can rise rapidly in guarding, you can to judge that peritoneal recurrence occurs in current patient.
Embodiment 2：As shown in Fig. 2 the present embodiment apparatus structure is with embodiment 1, difference is that the present apparatus includes 4 more
Channel pressure sensor-based system and 4 collecting and measuring systems；4 multi-path pressure sensor-based systems pass through 4 collection measurement systems respectively
System is connected with computer；Computer includes data receiver and display module, and the module sends out multi-channel data acquisition-sending module
The data come are received, buffered, and are then shown；The module records the pressure change data of 4 measurement points, by patient
Then the pressure data of subsequent acquisition is contrasted as base value, passes through curve by the data gathered when belly is soft with base value
Reflect situation of change, multistage change threshold is concurrently set, for being prompted.
Claims (3)
- A kind of 1. continuous stomach wall pressure measurement monitoring system, it is characterised in that：Including multi-path pressure sensor-based system, collection measurement system System, computer, multi-path pressure sensor-based system are connected by collecting and measuring system with computer, wherein multi-path pressure sensor System takes fixed multiple pressure sensors by the band and bar that are bundled in human abdomen and formed；Collecting and measuring system is by pressing Power-voltage transformation module, signal amplification module, multi-channel data acquisition-sending module are sequentially connected composition, wherein pressure sensing Device output end is connected with the input of Piezoelectric transducer module.
- 2. continuous stomach wall pressure measurement monitoring system according to claim 1, it is characterised in that：Computer includes data receiver And the data that multi-channel data acquisition-sending module is sent are received, buffered, then shown by display module, the module Show；The module records the pressure change data of more than one measurement point, and the data that patient abdomen is gathered when soft are as base Value, is then contrasted the pressure data of subsequent acquisition with base value, is reflected situation of change by curve, is concurrently set multistage change Change threshold value, for being prompted.
- 3. continuous stomach wall pressure measurement monitoring system according to claim 1, it is characterised in that：The present apparatus includes more than 2 Multi-path pressure sensor-based system and the collecting and measuring system of more than 2.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141260A (en) * | 2019-06-04 | 2019-08-20 | 中南大学湘雅三医院 | Guarding monitors system and its monitoring method |
| CN111657940A (en) * | 2020-06-22 | 2020-09-15 | 中国人民解放军陆军特色医学中心 | Severe patient rehabilitation training auxiliary device and working method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104586405A (en) * | 2015-02-15 | 2015-05-06 | 珠海安润普科技有限公司 | Intelligent fetal movement monitoring device, monitoring system and monitoring method |
| CN104736043A (en) * | 2012-09-07 | 2015-06-24 | 加利福尼亚大学董事会 | Multisensor wireless abdominal monitoring apparatus, systems, and methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104736043A (en) * | 2012-09-07 | 2015-06-24 | 加利福尼亚大学董事会 | Multisensor wireless abdominal monitoring apparatus, systems, and methods |
| CN104586405A (en) * | 2015-02-15 | 2015-05-06 | 珠海安润普科技有限公司 | Intelligent fetal movement monitoring device, monitoring system and monitoring method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110141260A (en) * | 2019-06-04 | 2019-08-20 | 中南大学湘雅三医院 | Guarding monitors system and its monitoring method |
| CN111657940A (en) * | 2020-06-22 | 2020-09-15 | 中国人民解放军陆军特色医学中心 | Severe patient rehabilitation training auxiliary device and working method thereof |
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Application publication date: 20171215 |