CN216060498U

CN216060498U - Skull pressure measuring device

Info

Publication number: CN216060498U
Application number: CN202122133809.XU
Authority: CN
Inventors: 姚政; 范晓玲
Original assignee: Shenzhen Changjiu Kanglian Biotechnology Co ltd
Current assignee: Shenzhen Changjiu Kanglian Biotechnology Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-03-18
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a intracranial pressure measuring device, belongs to the technical field of medical instruments, and can solve the problems that the existing intracranial diversion and intracranial pressure monitoring can not be carried out simultaneously and the intracranial monitoring result is not accurate enough. The intracranial monitoring device comprises a flow guide pipe, a connecting pipe, a pressure pipe, a three-way valve, a drainage device, a cranial pressure sensor, a connecting cable and a monitoring controller; one end of the flow guide pipe is inserted into the ventricle of the patient, and the other end of the flow guide pipe is communicated with the liquid inlet of the three-way valve; one end of the connecting pipe is communicated with a first liquid outlet of the three-way valve, and the other end of the connecting pipe is communicated with the drainage device; one end of the pressure pipe is communicated with the second liquid outlet of the three-way valve, and the other end of the pressure pipe is provided with a pressure cavity; the cranial pressure sensor is arranged in the pressure cavity, is connected with the monitoring controller through a connecting cable and is used for collecting the cerebrospinal fluid pressure of a patient; the monitoring controller is used for receiving, processing and outputting cerebrospinal fluid pressure. The utility model is used for monitoring the intracranial pressure of the patient.

Description

Skull pressure measuring device

Technical Field

The utility model relates to a cranial pressure measuring device, and belongs to the technical field of medical instruments.

Background

Intracranial pressure is the pressure of the cranial cavity contents on the wall of the cranial cavity, also known as brain pressure. Since the cerebrospinal fluid present in the subarachnoid and intracisternal spaces is between the wall of the cranial cavity and the brain tissue and is in communication with the subarachnoid space in the ventricles and spinal cavities, the hydrostatic pressure of the cerebrospinal fluid can represent the intracranial pressure, usually the pressure of the cranial spinal fluid in the lateral decubitus position.

Monitoring of intracranial pressure is clinically significant: clinically, intracranial pressure monitoring technology is applied to treatment of diseases such as craniocerebral trauma, hypertensive cerebral hemorrhage, intracranial tumors, cerebrovascular diseases and the like, and particularly, application to patients suffering from craniocerebral trauma accumulates a large amount of clinical data. Most researches show that intracranial pressure monitoring can continuously reflect the intracranial pressure change of patients, and has important guiding significance in the aspects of judging intracranial injury and the severity of brain swelling, guiding treatment, evaluating prognosis and the like. The change of the intracranial pressure can be dynamically known in real time, so that the condition observation is facilitated, and the intracranial pressure increase can be found as soon as possible; intracranial pressure monitoring is an important basis for judging the severity of brain injury of a patient and predicting consequences; help calculate and maintain craniocerebral perfusion pressure; the flow guiding and reasonable dehydration outside the ventricles of the brain play a role in good intracranial pressure control.

At present, the intracranial pressure monitoring is mainly carried out by inserting a drainage tube into the ventricle of a patient and externally connecting a cranial pressure sensor at the other end of the drainage tube, the monitoring mode is only used for intracranial pressure monitoring, intracranial flow guide cannot be carried out simultaneously, and the intracranial pressure monitoring result is not accurate enough.

SUMMERY OF THE UTILITY MODEL

The utility model provides a intracranial pressure measuring device, which can solve the problems that the existing intracranial diversion and intracranial pressure monitoring can not be carried out simultaneously and the intracranial monitoring result is not accurate enough.

The intracranial pressure monitoring is not accurate enough.

The utility model provides a intracranial pressure measuring device, which comprises a flow guide pipe, a connecting pipe, a pressure pipe, a three-way valve, a drainage device, a cranial pressure sensor, a connecting cable and a monitoring controller, wherein the flow guide pipe is connected with the pressure pipe;

the three-way valve comprises a liquid inlet, a first liquid outlet and a second liquid outlet;

one end of the flow guide pipe is inserted into the ventricle of the patient, and the other end of the flow guide pipe is communicated with the liquid inlet of the three-way valve; one end of the connecting pipe is communicated with the first liquid outlet of the three-way valve, and the other end of the connecting pipe is communicated with the drainage device; one end of the pressure pipe is communicated with the second liquid outlet of the three-way valve, and the other end of the pressure pipe is provided with a pressure cavity; the cranial pressure sensor is arranged in the pressure cavity, is connected with the monitoring controller through the connecting cable and is used for collecting the cerebrospinal fluid pressure of a patient;

the monitoring controller is used for receiving, processing and outputting the cerebrospinal fluid pressure.

Optionally, the cranial pressure sensor is a film sensor.

Optionally, the monitoring controller is a multi-parameter brain monitor or an intensive care unit monitoring system.

Optionally, the flow guide pipe, the connecting pipe and the pressure pipe are all elastic solid silicone rubber pipes or thermoplastic polyurethane pipes.

Optionally, the cranial pressure measuring device further comprises a flushing pipe and a valve, one end of the flushing pipe is communicated with the pressure cavity through the valve, the other end of the flushing pipe is provided with a flushing cavity, the flushing cavity is used for accessing flushing liquid, and the flushing pipe is provided with a control valve.

Optionally, the flushing pipe is an infusion pipe, the control valve is an infusion regulating valve, and the height of the flushing cavity is higher than that of the pressure cavity.

Optionally, the drainage device comprises a scale hanging tooth and a pressure adjusting bottle, the scale hanging tooth is vertically arranged, and the pressure adjusting bottle is arranged on the scale hanging tooth in a sliding mode up and down.

Optionally, a sensor fixing frame is arranged on the side wall of the scale hanging tooth, and the sensor fixing frame is arranged outside the pressure cavity and used for clamping and fixing the cranial pressure sensor.

The utility model can produce the beneficial effects that:

the drainage device drains the cerebrospinal fluid of a patient through the drainage tube, and controls the drainage tube to be communicated with the connecting tube or the drainage tube to be communicated with the pressure tube through the three-way valve, so that intracranial drainage or intracranial pressure monitoring is realized, and the problem that the existing intracranial drainage and intracranial pressure monitoring cannot be performed simultaneously is effectively solved.

The utility model collects the liquid pressure in the pressure tube by a intracranial pressure sensor which is arranged in the pressure cavity, namely the intracranial pressure of a patient; the pressure acquired by the cranial pressure sensor placed within the pressure chamber is more accurate than if the cranial pressure sensor was placed outside the pressure tube.

Drawings

Fig. 1 is a schematic overall structural diagram of a cranial pressure measuring device according to an embodiment of the present invention.

List of parts and reference numerals:

1. a flow guide pipe; 2. a connecting pipe; 3. a pressure pipe; 4. a three-way valve; 5. a drainage device; 51. the gear is hung in a scale way; 52. a pressure regulating bottle; 6. a cranial pressure sensor; 7. connecting a cable; 8. a monitoring controller; 9. a flush tube; 10. a control valve; 11. sensor mount.

Detailed Description

The present invention will be described in detail with reference to examples, but the present invention is not limited to these examples.

As shown in fig. 1, an embodiment of the present invention provides a cranial pressure measuring device, which includes a flow guide tube 1, a connecting tube 2, a pressure tube 3, a three-way valve 4, a drainage device 5, a cranial pressure sensor 6, a connecting cable 7, and a monitoring controller 8.

The flow guide pipe 1, the connecting pipe 2 and the pressure pipe 3 are all elastic solid silicone rubber pipes or thermoplastic polyurethane pipes. The drainage device 5 comprises a scale hanging tooth 51 and a pressure adjusting bottle 52, the scale hanging tooth 51 is vertically arranged, and the pressure adjusting bottle 52 is vertically arranged on the scale hanging tooth 51 in a sliding manner.

The three-way valve 4 comprises a liquid inlet, a first liquid outlet and a second liquid outlet; one end of the flow guide pipe 1 is inserted into the ventricle of the patient, and the other end is communicated with the liquid inlet of the three-way valve 4; one end of the connecting pipe 2 is communicated with a first liquid outlet of the three-way valve 4, and the other end is communicated with the drainage device 5; one end of the pressure pipe 3 is communicated with a second liquid outlet of the three-way valve 4, and the other end of the pressure pipe 3 is provided with a pressure cavity; the cranial pressure sensor 6 is arranged in the pressure cavity, the cranial pressure sensor 6 is connected with the monitoring controller 8 through a connecting cable 7, the cranial pressure sensor 6 is used for collecting the cerebrospinal fluid pressure of a patient, and preferably, the cranial pressure sensor 6 is a film sensor.

Drainage is carried out on cerebrospinal fluid of a patient through the diversion pipe 1, the diversion pipe 1 is controlled to be communicated with the connecting pipe 2 or the diversion pipe 1 is controlled to be communicated with the pressure pipe 3 through the three-way valve 4, so that intracranial diversion or intracranial pressure monitoring is realized, and the problem that the existing intracranial diversion and intracranial pressure monitoring cannot be carried out simultaneously is effectively solved

The monitoring controller 8 is used for receiving, processing and outputting cerebrospinal fluid pressure.

Preferably, the monitoring controller 8 is a multi-parameter cerebral monitor or an intensive care unit monitoring system.

The intracranial pressure sensor 6 arranged in the pressure cavity is used for collecting the liquid pressure in the pressure tube 3, namely the intracranial pressure of a patient; placement of cranial pressure sensor 6 within the pressure chamber provides for more accurate pressure acquisition than if cranial pressure sensor 6 were placed outside pressure tube 3.

The cranial pressure measuring device further comprises a flushing pipe 9 and a valve, one end of the flushing pipe 9 is communicated with the pressure cavity through the valve, the other end of the flushing pipe is provided with a flushing cavity, the flushing cavity is used for accessing flushing liquid, and the flushing pipe 9 is provided with a control valve 10. The flushing pipe 9 is a transfusion pipe, the control valve 10 is a transfusion regulating valve, and the height of the flushing cavity is higher than that of the pressure cavity. And opening the valve to communicate the flushing pipe 9 with the pressure pipe 3, introducing flushing water to flush the pressure pipe 3, and regulating the flow rate of the flushing water through the infusion regulating valve.

The side wall of the scale hanging tooth 51 is provided with a sensor fixing frame 11, and the sensor fixing frame 11 is arranged outside the pressure cavity and used for clamping and fixing the cranial pressure sensor 6.

Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application.

Claims

1. A cranial pressure measuring device is characterized by comprising a flow guide pipe (1), a connecting pipe (2), a pressure pipe (3), a three-way valve (4), a drainage device (5), a cranial pressure sensor (6), a connecting cable (7) and a monitoring controller (8);

the three-way valve (4) comprises a liquid inlet, a first liquid outlet and a second liquid outlet;

one end of the flow guide pipe (1) is inserted into the ventricle of the patient, and the other end of the flow guide pipe is communicated with the liquid inlet of the three-way valve (4); one end of the connecting pipe (2) is communicated with a first liquid outlet of the three-way valve (4), and the other end of the connecting pipe is communicated with the drainage device (5); one end of the pressure pipe (3) is communicated with a second liquid outlet of the three-way valve (4), and the other end of the pressure pipe (3) is provided with a pressure cavity; the cranial pressure sensor (6) is arranged in the pressure cavity, the cranial pressure sensor (6) is connected with the monitoring controller (8) through the connecting cable (7), and the cranial pressure sensor (6) is used for collecting the cerebrospinal fluid pressure of a patient;

the monitoring controller (8) is used for receiving, processing and outputting the cerebrospinal fluid pressure.

2. The cranial pressure measurement device according to claim 1, wherein the cranial pressure sensor (6) is a membrane sensor.

3. The intracranial pressure measurement device according to claim 1, wherein the monitoring controller (8) is a multi-parameter cerebral monitor or an intensive care unit monitoring system.

4. The intracranial pressure measuring apparatus according to claim 1, wherein the flow guide tube (1), the connecting tube (2), and the pressure tube (3) are all elastic solid silicone rubber tubes or thermoplastic polyurethane tubes.

5. The cranial pressure measuring device according to claim 1, further comprising a flushing pipe (9) and a valve, wherein one end of the flushing pipe (9) is communicated with the pressure chamber through the valve, the other end is provided with a flushing chamber for receiving flushing fluid, and the flushing pipe (9) is provided with a control valve (10).

6. The cranial pressure measuring device according to claim 5, wherein the flush tube (9) is a transfusion tube, the control valve (10) is a transfusion regulating valve, and the flush lumen is higher than the pressure lumen.

7. The cranial pressure measuring device according to claim 1, wherein the drainage device (5) comprises a scale rack (51) and a pressure regulating bottle (52), the scale rack (51) is vertically arranged, and the pressure regulating bottle (52) is vertically and slidably arranged on the scale rack (51).

8. The cranial pressure measuring device according to claim 7, wherein the side wall of the scale rack (51) is provided with a sensor fixing frame (11), and the sensor fixing frame (11) is arranged outside the pressure cavity for clamping and fixing the cranial pressure sensor (6).