Mechanism for assisting in placing intracranial pressure probe into needle
By designing an auxiliary intracranial pressure probe insertion mechanism, the fixation and discharge process of the intracranial needle is simplified by using the limit and discharge mechanism, solving the problem of cumbersome fixation methods and effusion accumulation and blood stasis in the existing technology, and improving the intracranial Safety and comfort of pressure probe insertion.
Patent Information
- Application Number
- CN202420511549.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-17
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-03-17
AI Technical Summary
The fixing method of the existing intracranial pressure probe into needles is complicated, resulting in additional wounds in the patient and possible brain effusion or congestion. The existing technology is difficult to effectively solve these problems.
A auxiliary intracranial pressure probe insertion needle mechanism is designed, including a fixing block, a fixed column, a limiting cavity, a drainage tank and a thread groove. The needle is fixedly inserted through a limiting mechanism and draining liquid through a thread groove and a cylinder. The institution discharges effusion or blood stasis.
The fixation process of inserting needles is achieved, reducing the number of wounds in the patient, and effectively removing cerebral effusion or congestion through the fluid discharge function, improving the safety and comfort of intracranial pressure probe placement.
Smart Images
Figure CN222265252U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of intracranial pressure probe insertion needles, in particular to an auxiliary intracranial pressure probe insertion needle mechanism. Background Art
[0002] Intracranial pressure monitoring is an objective reflection of changes in intracranial pressure caused by neurosurgical diseases. It can predict the adverse effects of high intracranial pressure on cerebral perfusion, cerebral blood flow and metabolism at an early stage. It is regarded as one of the important methods for identification, diagnosis and treatment of suspected increased intracranial pressure. When monitoring intracranial pressure, an intracranial pressure probe insertion needle is required.
[0003] However, currently when doctors insert the intracranial pressure probe needle into the patient's brain, they first drill a hole in the patient's skull, then insert the intracranial pressure probe needle into the patient's head through the drill hole, and then use needle and thread to fix the intracranial pressure probe needle to the patient's scalp. This fixation method is too cumbersome and causes additional wounds to the patient. At the same time, the patient's brain may have fluid or congestion, which needs to be drained. Utility Model Content
[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an auxiliary intracranial pressure probe insertion needle mechanism, comprising:
[0005] A fixing block, wherein a limiting cavity is provided inside the fixing block, and a limiting mechanism for fixing the insertion needle is provided inside the limiting cavity;
[0006] A fixed column, wherein the fixed column is fixed at the bottom of the fixed block, a placement groove is provided in the fixed column and the fixed block, a drainage groove is provided in the fixed column and the fixed block, a threaded groove is provided in the fixed block, the threaded groove is communicated with the drainage groove, and a drainage mechanism is provided in the threaded groove.
[0007] Preferably, the limiting mechanism includes a fixed plate provided inside the limiting cavity, a pulling column provided inside the limiting cavity, the pulling column passes through the fixing plate and is fixedly connected to the fixing plate, one end of the pulling column extends into the placement groove, and the other end of the pulling column extends to the outside of the fixed block, and a spring is provided on the outside of the pulling column between the fixing plate and the limiting cavity.
[0008] Preferably, the drainage mechanism comprises a cylinder arranged inside the thread groove, the cylinder is threadedly connected to the thread groove, a cylindrical groove is provided inside the cylinder, a drainage hole is provided on the cylinder, and the drainage hole is communicated with the cylindrical groove.
[0009] Preferably, a rubber column is provided at the end of the pulling column.
[0010] Preferably, the fixing column is provided with threads on the outside.
[0011] Preferably, the diameter of the placement groove is the same as the diameter of the insertion needle.
[0012] Preferably, the cylinder is made of medical plastic.
[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:
[0014] 1. Rotate the fixed column to fix it with the drill hole, pull the pulling column, the pulling column drives the fixing plate to compress the spring, insert the insertion needle into the placement slot, release the pulling column, the spring drives the fixing plate and the pulling column to fix the insertion needle, so as to achieve the fixing function of the insertion needle.
[0015] 2. By rotating the cylinder until the drainage hole is no longer inside the threaded groove, the accumulated fluid or blood stasis in the patient's head will flow from the drainage groove into the cylindrical groove of the cylinder, and finally flow out from the drainage hole, thereby achieving the function of discharging the accumulated fluid or blood stasis. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 It is a schematic diagram of the internal structure of the utility model.
[0019] Description of reference numerals:
[0020] 1. Fixed block; 2. Cylinder; 3. Fixed column; 4. Drainage groove; 5. Placement groove; 6. Pull column; 7. Cylindrical groove; 8. Drainage hole; 9. Threaded groove; 10. Spring; 11. Limiting cavity; 12. Fixed plate; 13. Rubber column. DETAILED DESCRIPTION
[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0022] Reference Figure 1-Figure 2 As shown, a needle mechanism for assisting intracranial pressure probe insertion comprises:
[0023] A fixing block 1, wherein a limiting cavity 11 is provided inside the fixing block 1, and a limiting mechanism for fixing the insertion needle is provided inside the limiting cavity 11;
[0024] A fixed column 3 is fixed at the bottom of the fixed block 1. A placement groove 5 is provided inside the fixed column 3 and the fixed block 1. A drainage groove 4 is provided inside the fixed column 3 and the fixed block 1. A threaded groove 9 is provided inside the fixed block 1. The threaded groove 9 is communicated with the drainage groove 4. A drainage mechanism is provided inside the threaded groove 9.
[0025] Furthermore, the limiting mechanism includes a fixed plate 12 provided inside the limiting cavity 11, a pulling column 6 is provided inside the limiting cavity 11, the pulling column 6 passes through the fixing plate 12 and is fixedly connected to the fixing plate 12, one end of the pulling column 6 extends into the placement groove 5, and the other end of the pulling column 6 extends to the outside of the fixed block 1, and a spring 10 is sleeved on the outside of the pulling column 6 between the fixing plate 12 and the limiting cavity 11. When the pulling column 6 is pulled, the pulling column 6 drives the fixing plate 12 to compress the spring 10, and the insertion needle is inserted into the placement groove 5. The pulling column 6 is released, and the spring 10 drives the fixing plate 12 and the pulling column 6 to fix the insertion needle.
[0026] Furthermore, the drainage mechanism includes a cylinder 2 arranged inside the threaded groove 9, the cylinder 2 is threadedly connected to the threaded groove 9, a cylindrical groove 7 is opened inside the cylinder 2, a drainage hole 8 is opened on the cylinder 2, and the drainage hole 8 is communicated with the cylindrical groove 7. When the cylinder 2 is rotated until the drainage hole 8 is no longer inside the threaded groove 9, the accumulated fluid or blood congestion will flow from the drainage groove 4 into the cylindrical groove 7 of the cylinder 2, and finally flow out from the drainage hole 8, thereby achieving the function of discharging the accumulated fluid or blood congestion.
[0027] Furthermore, a rubber column 13 is provided at the end of the pulling column 6 to facilitate fixing the insertion needle.
[0028] Furthermore, the fixing post 3 is provided with a thread on the outside to facilitate fixing the fixing post 3 on the drilled hole on the patient's skull.
[0029] Furthermore, the diameter of the placement groove 5 is the same as the diameter of the insertion needle, which facilitates the placement of the insertion needle.
[0030] Furthermore, the cylinder 2 is made of medical plastic to avoid damage to the drill hole on the patient's skull.
[0031] Through the above technical solution:
[0032] When in use, first align the fixing column 3 with the drilled hole in the mixing head in advance, rotate the fixed column to fix it with the drilled hole, pull the pulling column 6, the pulling column 6 drives the fixing plate 12 to compress the spring 10, insert the insertion needle into the placement groove 5, loosen the pulling column 6, the spring 10 drives the fixing plate 12 and the pulling column 6 to fix the insertion needle, thereby achieving the fixing function of the insertion needle.
[0033] When the patient has fluid accumulation or blood congestion in the brain, the cylinder 2 is rotated until the drainage hole 8 is no longer inside the threaded groove 9, and the fluid accumulation or blood congestion in the patient's head will flow from the drainage groove 4 into the cylindrical groove 7 of the cylinder 2, and finally flow out from the drainage hole 8, thereby achieving the function of discharging the fluid accumulation or blood congestion.
[0034] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A needle mechanism for assisting intracranial pressure probe insertion, characterized in that: include: A fixing block (1), wherein a limiting cavity (11) is provided inside the fixing block (1), and a limiting mechanism for fixing the insertion needle is provided inside the limiting cavity (11); A fixed column (3), the fixed column (3) is fixed at the bottom of the fixed block (1), a placement groove (5) is provided in the fixed column (3) and the fixed block (1), a drainage groove (4) is provided in the fixed column (3) and the fixed block (1), a threaded groove (9) is provided in the fixed block (1), the threaded groove (9) is communicated with the drainage groove (4), and a drainage mechanism is provided in the threaded groove (9).
2. The auxiliary intracranial pressure probe insertion needle mechanism according to claim 1, characterized in that: The limiting mechanism comprises a fixing plate (12) arranged inside the limiting cavity (11), a pulling column (6) being arranged inside the limiting cavity (11), the pulling column (6) penetrating the fixing plate (12) and being fixedly connected to the fixing plate (12), one end of the pulling column (6) extending into the placement groove (5), and the other end of the pulling column (6) extending to the outside of the fixing block (1), and a spring (10) being sleeved outside the pulling column (6) located between the fixing plate (12) and the limiting cavity (11).
3. The auxiliary intracranial pressure probe insertion needle mechanism according to claim 1, characterized in that: The liquid discharge mechanism comprises a cylinder (2) arranged inside a thread groove (9), the cylinder (2) being threadedly connected to the thread groove (9), a cylindrical groove (7) being provided inside the cylinder (2), a liquid discharge hole (8) being provided on the cylinder (2), and the liquid discharge hole (8) being communicated with the cylindrical groove (7).
4. The auxiliary intracranial pressure probe insertion needle mechanism according to claim 2, characterized in that: A rubber column (13) is provided at the end of the pulling column (6).
5. The auxiliary intracranial pressure probe insertion needle mechanism according to claim 1, characterized in that: The fixing column (3) is provided with threads on the outside.
6. The auxiliary intracranial pressure probe insertion needle mechanism according to claim 1, characterized in that: The diameter of the placement groove (5) is the same as the diameter of the insertion needle.
7. The auxiliary intracranial pressure probe insertion needle mechanism according to claim 3, characterized in that: The cylinder (2) is made of medical plastic.