CN215534354U - Pressure measurement craniocerebral tube - Google Patents
Pressure measurement craniocerebral tube Download PDFInfo
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- CN215534354U CN215534354U CN202121481335.1U CN202121481335U CN215534354U CN 215534354 U CN215534354 U CN 215534354U CN 202121481335 U CN202121481335 U CN 202121481335U CN 215534354 U CN215534354 U CN 215534354U
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Abstract
The application provides a pressure measurement cranial canal, which solves the technical problem that the existing pressure measurement cranial canal can not reduce the operation risk while ensuring the accuracy of intracranial pressure monitoring; the drainage tube is internally provided with three parallel cavities, namely a drainage cavity, a pressure measuring cavity and a guide cavity, wherein the pressure measuring cavity and the guide cavity are arranged in the wall of the drainage cavity; the head end of the drainage cavity is provided with a drainage opening, and the head ends of the pressure measuring cavity and the guide cavity are closed; the pressure measuring cavity is internally provided with a pressure measuring probe and a data transmission line with one end connected with the pressure measuring probe, the inner side wall of the pressure measuring cavity close to the head end is provided with a window, and the pressure measuring probe is arranged at the window. The application is widely applied to the technical field of medical drainage tubes.
Description
Technical Field
The application relates to a drainage tube, in particular to a pressure measurement cranial cerebral tube.
Background
At present craniocerebral puncture drainage art formula, the craniocerebral drainage tube is put into in the operation aim at intracranial hematoma to the operation, through lasting drainage, and come the accuse drainage degree through intracranial pressure monitoring, maintain intracranial pressure in a safety and stability's interval, in the drainage process, through access pressure sensor on external drainage tube way, conduct on the brain branch of academic or vocational study monitor and through fixed algorithm with signal transformation intracranial pressure data through the data line, then adjust drainage speed at consumptive material end regulating valve or cranium pressure bottle height or control flow regulator.
However, the pressure of cerebrospinal fluid in the drainage pipeline cannot timely and accurately reflect the intracranial pressure condition due to the inherent limitation of the structure, and for some patients needing precise monitoring, an intracranial pressure probe needs to be additionally implanted, so that the implantation depth is generally low and the monitoring data is not ideal due to the influence of probe manufacturing materials and operation risks. The implantation position and the monitoring accuracy are sequentially from high to low, namely intracerebroventricular > brain parenchyma > subarachnoid space > epidural, and the risk grades of the simple probe implantation operation are just opposite.
Disclosure of Invention
In order to solve the above problems, the technical scheme adopted by the application is as follows: the pressure measuring cranial and cerebral tube comprises a drainage tube, wherein three parallel cavities, namely a drainage cavity, a pressure measuring cavity and a guide cavity, are arranged in the drainage tube, and the pressure measuring cavity and the guide cavity are arranged in the wall of the drainage cavity; the head end of the drainage cavity is provided with a drainage opening, and the head ends of the pressure measuring cavity and the guide cavity are closed; the pressure measuring cavity is internally provided with a pressure measuring probe and a data transmission line with one end connected with the pressure measuring probe, the inner side wall of the pressure measuring cavity close to the head end is provided with a window, and the pressure measuring probe is arranged at the window.
Preferably, a slot is formed in the middle of the outer side wall of the guide cavity along the length direction, and a guide steel needle is placed in the guide cavity; when the drainage tube is bent, the tail part of the guide steel needle can extend out of the slit.
Preferably, the tail part of the drainage tube is provided with a double-cavity joint, and the double cavities of the double-cavity joint are respectively communicated with the drainage cavity and the pressure measuring cavity.
Preferably, the other end of the data transmission line extends out of the pressure measuring cavity and is connected with a data transmission joint.
Preferably, the front end of the drainage tube is sleeved with a traction sleeve, and the front end of the traction sleeve is inserted with a traction needle.
Preferably, the tail part of the traction needle is provided with an insertion part, and the front end of the insertion part is provided with a limit table.
Preferably, the surface of the insertion part is provided with a plurality of inverted saw teeth, and the inner surface of the traction sleeve is provided with inverted saw tooth grooves corresponding to the inverted saw teeth.
Preferably, the outer surface of the traction sleeve is provided with a super-lubricious hydrophilic coating.
The application is widely applied to the technical field of medical drainage tubes.
The utility model has the advantages of simple structure and convenient operation. The drainage tube is internally provided with a drainage cavity, a pressure measuring cavity and a guide cavity, the guide cavity is used for assembling a guide steel needle and provides hardness support for the drainage tube, and therefore the head end of the drainage cavity is not required to be provided with a round head plug to be a cavity. Therefore, the drainage opening is arranged at the head end of the drainage cavity, the sectional area of the drainage cerebrospinal fluid inlet pipe is greatly increased, the pipe blockage probability can be greatly reduced, and the anticoagulant medicine does not need to be injected any more. The pressure measuring probe arranged in the pressure measuring cavity can be deep into the head end of the drainage tube, the corresponding inner side wall is provided with a window, and the pressure measuring cavity is communicated with the drainage cavity, so that the pressure measuring probe directly contacts the intracranial high-pressure drainage part at the nearest position, thereby greatly improving the intracranial pressure monitoring precision and reducing the artificial influence. For a patient needing precise monitoring, the drainage tube and the intracranial probe do not need to be respectively placed, so that the injury of the patient is reduced, the purpose of monitoring and drainage can be simultaneously achieved by one-time placement, and the operation risk is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic front view of a manometric cranial cerebral catheter (with a traction cannula and a traction needle removed);
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic sectional view A-A of FIG. 2;
FIG. 4 is a schematic cross-sectional view B-B of FIG. 2;
FIG. 5 is a schematic view of a structure of a manometric cranial cerebral canal;
fig. 6 is a schematic structural view of the traction needle.
The symbols in the drawings illustrate that:
1. a drainage tube; 2. a drainage lumen; 3. a pressure measurement cavity; 4. a guide cavity; 5. a drainage opening; 6. windowing; 7. a data transmission line; 8. a pressure measuring probe; 9. guiding a steel needle; 10. slotting; 11. a dual lumen fitting; 12. a data transmission joint; 13. pulling the casing; 14. a traction needle; 15. an insertion portion; 16. and a limiting table.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The manometry cranial-cerebral-canal provided by the embodiment of the present application will now be described.
Referring to fig. 1, 2 and 4, the manometric craniocerebral tube comprises a drainage tube 1, three parallel cavities are arranged in the drainage tube 1, namely a drainage cavity 2, a manometric cavity 3 and a guide cavity 4, and the manometric cavity 3 and the guide cavity 4 are arranged in the wall of the drainage cavity 2; the head end of the drainage cavity 2 is provided with a drainage opening 5, and the head ends of the pressure measuring cavity 3 and the guide cavity 4 are closed; the pressure measuring cavity 3 is internally provided with a pressure measuring probe 8, one end of the data transmission line 7 is connected with the pressure measuring probe 8, the inner side wall of the pressure measuring cavity 3 close to the head end is provided with a window 6 (see figure 3), and the pressure measuring probe 8 is arranged at the window 6.
A guide cavity 4 and a pressure measuring cavity 3 are reserved on the production extrusion process of the drainage tube 1, the guide cavity 4 is used for assembling a guide steel needle 9 and provides hardness support for the drainage tube 1, and therefore a round-head plugging cavity does not need to be arranged at the head end of the drainage cavity 2. Therefore, the drainage opening 5 is arranged at the head end of the drainage cavity 2, the sectional area of the drainage cerebrospinal fluid inlet pipe is greatly increased, the pipe blockage probability can be greatly reduced, and the anticoagulant medicine does not need to be injected any more. The pressure measuring probe 8 arranged in the pressure measuring cavity 3 can go deep into the head end of the drainage tube 1, the corresponding inner side wall is provided with the window 6, the size of the window 6 is smaller than that of the pressure measuring probe 8, so that the pressure measuring probe 8 directly contacts the intracranial high-pressure drainage part at the nearest position, and the pressure measuring probe 8 can block the window 6 to prevent drainage liquid from entering the pressure measuring cavity 3, thereby greatly improving the intracranial pressure monitoring precision and reducing the artificial influence. To the patient that needs precision monitoring, no longer need put into drainage tube 1, intracranial probe respectively, reduce the disease damage, once put into can reach the purpose of monitoring, drainage simultaneously, reduce the operation risk.
Furthermore, in the embodiment, a slit 10 is arranged in the middle of the outer side wall of the guide cavity 4 along the length direction, and a guide steel needle 9 is placed in the guide cavity 4; when the drainage tube 1 is bent, the tail part of the guide steel needle 9 can extend out of the slit 10.
The guide steel needle 9 for enhancing the hardness of the drainage tube 1 is assembled into the guide cavity 4 in advance, the drainage tube 1 is bent, the tail part of the guide steel needle 9 can be stripped from the slit 10, and after the tube is successfully placed, the guide steel needle 9 is directly drawn out from the slit 10, so that the operation is convenient.
Referring to fig. 1, in the present embodiment, a double-cavity joint 11 is disposed at the tail of the drainage tube 1, and the double cavities of the double-cavity joint 11 are respectively communicated with the drainage cavity 2 and the pressure measurement cavity 3 for drainage and data transmission. The guide steel needle 9 is assembled into the guide cavity 4 in advance and is drawn out through the slit 10 after the tube is placed, so that a communicating joint does not need to be arranged at the tail part.
Furthermore, in this embodiment, the other end of the data transmission line 7 extends out of the pressure measurement cavity 3 and is connected with a data transmission joint 12, the data transmission joint 12 can be directly connected with the data transmission line 7 of the monitor and transmits signals of the intracranial pressure measurement probe 8, the influence of an external drainage pipeline is avoided by direct signal conduction, and the signal accuracy is further increased.
Referring to fig. 5, in the present embodiment, a traction sleeve 13 is sleeved on the front end of the drainage tube 1, and a traction needle 14 is inserted into the front end of the traction sleeve 13. Before the craniotomy, the drainage tube 1 is firstly drawn by a drawing sleeve 13 arranged behind a drawing needle 14 for subcutaneous sneak. Then the traction needle 14 and the traction sleeve 13 are removed, the drainage tube 1 is bent, the tail part of the guide steel needle 9 is stripped from the slit 10, and the craniocerebral drainage tube placing operation is completed. After successful placement of the tube, the guide steel needle 9 is removed from the slit 10.
Referring to fig. 6, in the present embodiment, an insertion portion 15 is disposed at the tail of the traction needle 14, and a limiting table 16 is disposed at the front end of the insertion portion 15 to limit the position of the front end of the traction sleeve 13. When the traction sleeve is installed in place, the front end of the traction sleeve 13 is abutted against the limiting table 16, the outer surface is smooth, and the injury of a patient in the operation process is reduced.
Further, in the present embodiment, the surface of the insertion portion 15 is provided with a plurality of inverted saw teeth (not shown), and the inner surface of the traction sleeve 13 is provided with inverted saw tooth grooves corresponding to the inverted saw teeth. The inverted saw teeth, namely the front part of the saw tooth structure is high and the back part is low, and the traction needle 14 can be firmly grasped by connecting the rear traction sleeve 13, so that the falling off in the traction process is avoided.
Further, in this embodiment, the outer surface of the traction sleeve 13 is provided with a super-lubricious hydrophilic coating to enhance subcutaneous penetration.
The utility model has simple structure and convenient operation. Be equipped with drainage chamber 2, pressure measuring chamber 3 and guide chamber 4 in drainage tube 1, guide chamber 4 is used for assembling guide steel needle 9, provides hardness support for drainage tube 1, and guide steel needle 9 does not need the 2 head ends in drainage chamber to establish the button head shutoff and makes the chamber. Therefore, the drainage opening 5 is arranged at the head end of the drainage cavity 2, the sectional area of the drainage cerebrospinal fluid inlet pipe is greatly increased, the pipe blockage probability can be greatly reduced, and the anticoagulant medicine does not need to be injected any more. The pressure measuring probe 8 arranged in the pressure measuring cavity 3 can go deep into the head end of the drainage tube 1, the corresponding inner side wall is provided with the window 6, and the pressure measuring cavity 3 is communicated with the drainage cavity 2, so that the pressure measuring probe 8 directly contacts the intracranial high-pressure drainage part at the nearest position, thereby greatly improving the intracranial pressure monitoring precision and reducing the artificial influence. For a patient needing precise monitoring, the drainage tube 1 and the intracranial probe do not need to be respectively placed, so that the injury of the patient is reduced, and the purpose of monitoring and drainage can be achieved by one-time placement.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (8)
1. A manometry craniocerebral tube comprises a drainage tube and is characterized in that: the drainage tube is internally provided with three parallel cavities, namely a drainage cavity, a pressure measuring cavity and a guide cavity, wherein the pressure measuring cavity and the guide cavity are arranged in the wall of the drainage cavity; the head end of the drainage cavity is provided with a drainage opening, and the head ends of the pressure measuring cavity and the guide cavity are closed; the pressure measuring cavity is internally provided with a pressure measuring probe, one end of the pressure measuring probe is connected with a data transmission line of the pressure measuring probe, the inner side wall of the pressure measuring cavity close to the head end is provided with a window, and the pressure measuring probe is arranged at the window.
2. The manometric cranial brain tube of claim 1, wherein: a slot is formed in the middle of the outer side wall of the guide cavity along the length direction, and a guide steel needle is placed in the guide cavity; when the drainage tube is bent, the tail part of the guide steel needle can extend out of the slit.
3. The manometric cranial brain tube of claim 1, wherein: the tail of the drainage tube is provided with a double-cavity joint, and the double cavities of the double-cavity joint are respectively communicated with the guide cavity and the pressure measuring cavity.
4. The manometric cranial brain tube of claim 1, wherein: the other end of the data transmission line extends out of the pressure measuring cavity and is connected with a data transmission joint.
5. The manometric cranial brain tube of any one of claims 1-4, wherein: the front end of the drainage tube is sleeved with a traction sleeve, and the front end of the traction sleeve is inserted with a traction needle.
6. The manometric cranial brain tube of claim 5, wherein: the tail of the traction needle is provided with an insertion part, and the front end of the insertion part is provided with a limiting table.
7. The manometric cranial brain tube of claim 6, wherein: the surface of the insertion part is provided with a plurality of inverted sawteeth, and the inner surface of the traction sleeve is provided with inverted sawtooth grooves corresponding to the inverted sawteeth.
8. The manometric cranial brain tube of claim 5, wherein: and the outer surface of the traction sleeve is provided with a super-smooth hydrophilic coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121481335.1U CN215534354U (en) | 2021-06-30 | 2021-06-30 | Pressure measurement craniocerebral tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121481335.1U CN215534354U (en) | 2021-06-30 | 2021-06-30 | Pressure measurement craniocerebral tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215534354U true CN215534354U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121481335.1U Active CN215534354U (en) | 2021-06-30 | 2021-06-30 | Pressure measurement craniocerebral tube |
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| CN (1) | CN215534354U (en) |
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2021
- 2021-06-30 CN CN202121481335.1U patent/CN215534354U/en active Active
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