CN219022533U - Drainage structure for intracranial pressure monitoring - Google Patents

Abstract

The utility model discloses a drainage structure for intracranial pressure monitoring, and belongs to the technical field of medical appliances. The utility model provides a drainage structure for intracranial pressure monitoring, includes the drainage tube body, and its one end extends to the brain indoor, and the other end extends to the brain outside, still includes: the drainage tube comprises a drainage tube body, a bag body and a pressure sensor, wherein the bag body is coated on the outer side wall of the drainage tube body; the sleeve is arranged in the drainage tube body in a sliding manner, a through hole is formed in the position, close to the bag body, of the drainage tube body, and the sleeve is used for conducting or closing a communication path between the through hole and the drainage tube body; the inflation of the capsule body can ensure the position stability of the drainage tube body, the monitoring precision, and the detection component coated by the capsule body can indirectly detect, so that the infection risk can be greatly reduced.

Description

Drainage structure for intracranial pressure monitoring

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a drainage structure for intracranial pressure monitoring.

Background

The intracranial pressure monitoring device is used for monitoring the pressure of a patient with craniocerebral injury after intracranial operation so as to provide accurate numerical values for medical workers, prevent the continuous increase of the intracranial pressure after operation, lead to the pressurized displacement of brain tissues, possibly cause serious brain function loss and even lead to the occurrence of brain death.

The intracranial pressure monitoring has important clinical significance in judging the illness state and guiding the treatment of lowering the intracranial pressure. Depending on the location of the sensor placement, intracranial pressure monitoring can be categorized into intra-cerebral, intra-brain parenchyma, sub-dural and extra-dural pressure measurement. The method comprises the following steps of: an intra-ventricular catheter > an intra-brain parenchyma fiber optic sensor > a subdural sensor > an extra-dural sensor. At present, intracranial pressure measurement is carried out by draining cerebrospinal fluid in a brain chamber through a drainage tube and leveling by utilizing the principle of a communicating vessel.

Through searching, chinese patent application number: CN202121525804.5, filing date: 2021-07-06 discloses a pressure monitoring drainage tube, including drainage tube and pressure monitoring device, pressure monitoring device mainly includes pressure sensor, transmission wire and monitoring plug, and the front end of drainage tube is provided with the drainage tube projection, and the front portion is equipped with drainage hole, and drainage joint and monitoring joint are connected to the rear end, and pressure sensor arranges in the anterior and the drainage tube projection of drainage tube in to be connected with the outer pressure monitoring plug of monitoring joint through transmission wire. The pressure sensor is arranged at the raised head position of the drainage tube, so that the actual intracranial pressure of a patient can be displayed at all times, and accurate reference information is provided for the treatment of controlling drainage operation according to the change of the intracranial pressure; meanwhile, the hematoma can be cleaned in an auxiliary mode through the design of the transmission screw, blockage in the drainage process is prevented, and drainage operation efficiency and safety are improved. However, in practical use, the solution finds that the intracranial pressure at a fixed position cannot be monitored stably, and the direct contact form is easy to cause infection, so that the treatment risk is increased.

Disclosure of Invention

The utility model aims to solve the defects of instability and easy infection of an intracranial pressure monitoring position in the prior art, and provides a drainage structure for intracranial pressure monitoring.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a drainage structure for intracranial pressure monitoring, includes the drainage tube body, and its one end extends to the brain indoor, and the other end extends to the brain outside, still includes: the drainage tube comprises a drainage tube body, a bag body and a pressure sensor, wherein the bag body is coated on the outer side wall of the drainage tube body; the sleeve is arranged in the drainage tube in a sliding manner, wherein a through hole is formed in the position, close to the bag body, of the drainage tube body, and the sleeve is used for conducting or closing a communication path between the through hole and the drainage tube body.

In order to ensure effective isolation between detection and treatment, preferably, the detection assembly comprises a pressure sensor fixedly connected to the inner wall of the drainage tube body, and the output end of the pressure sensor extends into the bag body, wherein a first conduit and a second conduit are arranged along the axial direction of the drainage tube body, the first conduit and the second conduit are both attached to the inner wall of the drainage tube body, and a connecting line of the pressure sensor is buried in the second conduit.

In order to realize centralized management of drainage detection, further, the drainage tube body is provided with an adapter, the first guide tube and the second guide tube are led out by the adapter, and the first guide tube is communicated with the cavity of the bag body.

Preferably, a hemispherical convex head is arranged at one end of the drainage tube body extending into the ventricle.

Further, one end of the sleeve is fixedly connected with a support, a spring is fixedly connected to the support, one end of the spring, far away from the support, is fixedly connected to the hemispherical convex head, and the other end of the sleeve abuts against the end parts of the first guide pipe and the second guide pipe.

In order to improve the sealing effect on the through hole, the outer diameter of the sleeve is equal to the inner diameter of the drainage tube body.

Preferably, the capsule is filled with an inert gas.

In order to improve drainage efficiency, preferably, the through holes are provided with a plurality of groups, and the plurality of groups of through holes are circumferentially and uniformly distributed on the outer wall of the drainage tube body.

Compared with the prior art, the utility model provides a drainage structure for intracranial pressure monitoring, which has the following beneficial effects:

1. the drainage structure for intracranial pressure monitoring has the advantages that the shape of the cyst body bulge can be cylindrical, flat or wing-shaped, and the cyst body bulge is flat or wing-shaped, so that the drainage structure can reduce the occupied space and simultaneously play a role in stabilizing the drainage tube body;

2. according to the drainage structure for intracranial pressure monitoring, one end of the sleeve is connected with the spring, and the other end of the sleeve can be propped against the catheter, so that on one hand, after the puncture needle is taken out, the through hole can be stably conducted with the drainage tube body, and on the other hand, the position of the sleeve is limited, and adverse effects such as vibration or shaking and the like of the sleeve in use can be prevented;

3. this drainage structure for intracranial pressure monitoring is provided with three to six groups through the through-hole, and is circumference equipartition at the outer wall of the drainage tube body to promote the efficiency of cerebrospinal fluid drainage.

The device has the advantages that the non-related parts are the same as or can be realized by adopting the prior art, the expansion of the capsule body can ensure the position stability of the drainage tube body, the monitoring precision is ensured, and the detection component coated by the capsule body can indirectly detect, so that the infection risk can be greatly reduced.

Drawings

FIG. 1 is a front view of a drainage structure for intracranial pressure monitoring according to the present utility model;

FIG. 2 is a schematic diagram of the structure of the portion A in FIG. 1, showing a drainage structure for intracranial pressure monitoring according to the present utility model;

FIG. 3 is a schematic structural view of a drainage structure for intracranial pressure monitoring according to the present utility model;

fig. 4 is a schematic structural diagram of a drainage structure sleeve for intracranial pressure monitoring according to the utility model.

In the figure: 1. a drainage tube body; 2. hemispherical convex head; 3. a through hole; 4. a sleeve; 401. a bracket; 5. a spring; 6. a bladder; 7. an adapter; 8. a first conduit; 9. a second conduit; 10. a pressure sensor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples:

referring to fig. 1-4, a drainage structure for intracranial pressure monitoring, including a drainage tube body 1 of revolution solid structure, the one end of drainage tube body 1 is the blind end, offer through-hole 3 on the lateral wall that is close to the blind end, the one end that has through-hole 3 extends to in the brain room, judge by oneself according to the position of monitoring as required and stretch into intracranial degree of depth, in addition, we can spray the scale mark on the outer wall of drainage tube body 1, thereby more be convenient for the doctor judge, the other end of drainage tube body 1 extends to outside the brain room, after drainage tube body 1 places, can install luer connector at its open end, be convenient for follow-up use, still include: the bag body 6 is coated on the outer side wall of the drainage tube body 1, the bag body 6 can be filled with inert gas for rising, and can be filled with gas for rising and stabilizing after penetrating into the cranium later, the rising shape of the bag body 6 can be cylindrical, flat or wing-shaped, the flat or wing-shaped is proper, the occupied space can be reduced, the purpose of stabilizing the drainage tube body 1 can be achieved, and a detection component for detecting the pressure of the bag body 6 is arranged in the drainage tube body 1 and used for monitoring intracranial pressure change in real time; the sleeve 4 is arranged in the drainage tube body 1 in a sliding manner, wherein the position of the through hole 3 is close to the bag body 6 and is communicated with the inner cavity of the drainage tube body 1, so that the subsequent drainage of cerebrospinal fluid and the like can be facilitated, and the sleeve 4 can conduct or close the communication path between the through hole 3 and the drainage tube body 1 in the sliding process, so that the cerebrospinal fluid is prevented from entering the drainage tube body 1 in the intracranial drainage tube body 1.

According to the design of the scheme, when the device is used, a doctor firstly performs skull perforation on a patient, then inserts a puncture needle into the drainage tube body 1 until the puncture needle is used for blocking the sleeve 4, so that the outer side wall of the sleeve 4 is blocked by the through hole 3, then the whole puncture needle and the drainage tube body 1 are inserted into the intracranial appointed position of the patient, the cerebrospinal fluid can be effectively prevented from entering the drainage tube body 1 and even flowing out when the drainage tube body 1 is placed, the doctor can conveniently and accurately place the position of the bag body 6, the intracranial pressure of the patient is monitored, the puncture needle is taken out, the expansion of the bag body 6 can ensure the position stability of the placement of the drainage tube body 1, the monitoring precision is ensured, the detection component wrapped by the bag body 6 is indirectly detected, the infection risk can be greatly reduced, a luer connector is arranged at one end of the drainage tube body 1 extending out of the cranium, and the detection component is connected with a monitor host.

Referring to fig. 1 and 2, in the drainage structure for intracranial pressure monitoring, the detection assembly comprises a pressure sensor 10 fixedly connected to the inner wall of the drainage tube body 1, the output end of the pressure sensor 10 extends into the bag body 6, a first conduit 8 and a second conduit 9 are arranged along the axial direction of the drainage tube body 1, the first conduit 8 and the second conduit 9 are attached to the inner wall of the drainage tube body 1, the first conduit 8 and the second conduit 9 are integrally formed, the manufacturing convenience is improved, the connecting wire of the pressure sensor 10 is buried in the second conduit 9, the contact between the pressure sensor and cerebrospinal fluid is effectively prevented, and infection is monitored in an isolated manner.

Be provided with adapter 7 on drainage tube body 1, first pipe 8 and second pipe 9 draw forth by adapter 7, be convenient for arrange in order and discern different functions, and first pipe 8 is linked together with the cavity of bag body 6, and it is mainly used to fill inert gas to bag body 6 through the outside, more is convenient for the put in and take out of drainage tube body 1.

In addition, the end of the drainage tube body 1 extending into the ventricle is provided with the hemispherical convex head 2, so that the insertion of the drainage tube body 1 can be further facilitated, and of course, the end of the drainage tube body can also be in the form of a flat-headed belt rounded corner, but the insertion smoothness is poor compared with a spherical structure.

Referring to fig. 1 and 4, for the working mode of the cannula 4, we have further designed that one end of the cannula 4 is fixedly connected with a support 401, a light medical spring 5 is fixedly connected to the support 401, one end of the spring 5, which is far away from the support 401, is fixedly connected to the hemispherical raised head 2, and the other end of the cannula 4 abuts against the ends of the first catheter 8 and the second catheter 9, so that on one hand, after the puncture needle is taken out, the through hole 3 can be stably conducted with the drainage tube body 1, and on the other hand, the position of the cannula 4 is limited, and adverse effects such as vibration or shaking and the like generated by the cannula 4 in use can be prevented.

The outer diameter of the sleeve 4 is equal to the inner diameter of the drainage tube body 1, so that the tightness of the through hole 3 is ensured.

Here, the through holes 3 are provided with three to six groups and are circumferentially uniformly distributed on the outer wall of the drainage tube body 1, so that the drainage efficiency of cerebrospinal fluid is improved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (8)

1. The utility model provides a drainage structure for intracranial pressure monitoring, includes drainage tube body (1), and its one end extends to the brain indoor, and the other end extends to the brain outside, its characterized in that still includes:

the drainage tube comprises a drainage tube body (1) and a bag body (6) coated on the outer side wall of the drainage tube body (1), wherein a detection assembly for detecting the pressure of the bag body (6) is arranged in the drainage tube body (1);

a sleeve (4) arranged in the drainage tube body (1) in a sliding way,

the drainage tube body (1) is provided with a through hole (3) at a position close to the bag body (6), and the sleeve (4) is used for conducting or closing a communication path between the through hole (3) and the drainage tube body (1).

2. The drainage structure for intracranial pressure monitoring according to claim 1, wherein the detection assembly comprises a pressure sensor (10) fixedly connected to the inner wall of the drainage tube body (1), the output end of the pressure sensor (10) extends into the capsule body (6),

the drainage tube comprises a drainage tube body (1), and is characterized in that a first guide tube (8) and a second guide tube (9) are arranged along the axial direction of the drainage tube body (1), the first guide tube (8) and the second guide tube (9) are attached to the inner wall of the drainage tube body (1), and connecting wires of a pressure sensor (10) are buried in the second guide tube (9).

3. Drainage structure for intracranial pressure monitoring according to claim 2, characterized in that the drainage tube body (1) is provided with an adapter (7), the first conduit (8) and the second conduit (9) are led out from the adapter (7), and the first conduit (8) is communicated with the cavity of the capsule body (6).

4. A drainage structure for intracranial pressure monitoring as claimed in claim 3, wherein the end of the drainage tube body (1) extending into the ventricle is provided with a hemispherical projection (2).

5. The drainage structure for intracranial pressure monitoring according to claim 4, wherein one end of the sleeve (4) is fixedly connected with a support (401), a spring (5) is fixedly connected to the support (401), one end of the spring (5) away from the support (401) is fixedly connected to the hemispherical convex head (2), and the other end of the sleeve (4) abuts against the ends of the first catheter (8) and the second catheter (9).

6. The drainage structure for intracranial pressure monitoring according to claim 5, wherein the outer diameter of the sleeve (4) is equal to the inner diameter of the drainage tube body (1).

7. Drainage structure for intracranial pressure monitoring according to any one of claims 1 to 6, characterized in that the capsule (6) is filled with an inert gas.

8. The drainage structure for intracranial pressure monitoring according to any one of claims 1 to 6, wherein a plurality of groups of through holes (3) are arranged, and the plurality of groups of through holes (3) are circumferentially and uniformly distributed on the outer wall of the drainage tube body (1).

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