A cranial puncture device and a drainage hose fixing method thereof

Abstract

The present disclosure provides a cranial puncture device, which includes a drill bit, a hose fixing part and an anti-bend joint; the drill bit includes a detachably connected base and a drill body, the hose fixing part includes a fixing seat and a fixing cap, and the anti-bend joint includes an upper section and a lower section. During implementation, the base and the drill body are detachably connected through the corresponding snap groove, the snap fit of the snap one, and the corresponding positioning column is embedded in the corresponding positioning groove one, thereby assembling into the drill bit; after the drill bit is used to complete the puncture work, the drill body is removed from the base, and only the base is retained on the skull, and the through hole on the base is maintained as an open channel, and then the base and the hose fixing part are detachably connected through the snap fit of the snap groove and the snap two, and the corresponding positioning column is embedded in the corresponding positioning groove two, thereby combining the base, the hose fixing part, and the anti-bend joint into a final fixing device, at which time all the through holes together constitute a channel for the drainage hose to pass through.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, and in particular to a cranial puncture device and a drainage hose fixing method thereof. Background Art

[0002] Intracranial pressure refers to the pressure exerted on the skull by cerebrospinal fluid, blood, and brain tissue. Abnormal intracranial pressure, whether too high or too low, can lead to serious health problems such as cerebral edema and brain damage. Therefore, the measurement and management of intracranial pressure is crucial for the diagnosis and treatment of many brain diseases and injuries.

[0003] Cranial puncture is commonly used to diagnose and treat intracranial diseases, such as hydrocephalus, cerebral hemorrhage, etc. It is necessary to establish a channel through puncture surgery to drain fluid or perform other treatments. There are some problems with traditional methods of fixing cranial puncture and drainage hoses, especially in terms of channel maintenance after puncture, fixation of drainage hoses, protection of hoses, and wound treatment. In the prior art, the hoses used in cranial puncture and drainage surgery are usually not additionally fixed, and the wounds need to be sutured, resulting in poor sealing and easy infection. The operation process is relatively complicated, which can easily lead to improper operation by medical staff, increasing operation time and risks.

[0004] Therefore, the market is in urgent need of a new technology to simplify the process of cranial puncture and drainage hose fixation, ensure the stability of the drainage hose and the smoothness of the channel, while reducing surgical risks and improving clinical operation efficiency. Summary of the invention

[0005] In view of the above technical problems in the related art, the present disclosure proposes a cranial puncture device and a drainage hose fixing method thereof, which can overcome the above deficiencies in the prior art.

[0006] To achieve the above technical objectives, the technical solution of the present disclosure is implemented as follows:

[0007] The first object of the present disclosure is to provide a cranial puncture device, which includes a drill bit, a hose fixing part and an anti-bend joint;

[0008] The drill bit comprises a detachably connected base and a drill body, a sealing gasket is arranged between the base and the drill body; the left and right ends of the base are respectively provided with hollows, and a buckle groove is arranged at the lower end of the hollows; a pad groove and a plurality of positioning columns are arranged at the upper end of the base, and the sealing gasket is located in the pad groove; the drill body comprises a base, and the top and bottom of the base are respectively provided with needles, and the left and right ends of the base are provided with pressable wing protrusions, and the lower end of the wing protrusion is provided with a buckle 1 for buckle connection with the buckle groove, and the lower part of the base is provided with a positioning groove 1 for the positioning column to be correspondingly embedded;

[0009] The hose fixing part includes a fixing seat and a fixing cap; the left and right ends of the fixing seat are respectively provided with buckles 2 for buckling with the buckle groove, the upper part of the fixing seat is provided with a plug groove, the upper part of the outer wall of the plug groove is provided with an external thread, and the lower part of the fixing seat is provided with a positioning groove 2 for the positioning column to be correspondingly embedded;

[0010] The lower part of the fixing cap is provided with an internal thread corresponding to the external thread, the inner center of the fixing cap is provided with a cylindrical inner core, and the internal thread is distributed around the outer side of the cylindrical inner core; the fixing seat and the fixing cap are threadedly connected through the external thread and the internal thread;

[0011] The anti-break joint comprises an upper section and a lower section, the lower part of the upper section is movably connected to the upper part of the lower section, and the top end of the fixed cap is movably connected to the bottom end of the lower section;

[0012] The centers of the base, the fixing seat, the fixing cap, the upper section and the lower section are respectively provided with through holes which penetrate through them from top to bottom, and the through holes are used for the puncture needle or the drainage hose to pass through.

[0013] During implementation, the base and the drill body are detachably connected by the corresponding snap grooves and the snap fit of the first snap groove, and the corresponding positioning column is embedded in the corresponding positioning groove one, so as to assemble the drill bit; after the drill bit is used to complete the puncture work, the drill body is removed from the base, and only the base is retained on the skull, and the through hole on the base is maintained as an open channel, and then the base and the hose fixing are detachably connected by the snap fit of the second snap groove and the snap fit of the second snap groove, and the corresponding positioning column is embedded in the corresponding positioning groove two, so as to combine the base, the hose fixing and the anti-folding joint into a final fixing device, and at this time all the through holes together constitute a channel for the drainage hose to pass through.

[0014] Preferably, the lower part of the upper section and the upper part of the lower section are movably connected by a pin or a bearing, so that the two can be bent relative to each other and the drainage hose is fully protected from excessive bending to cause blockage or damage.

[0015] Preferably, the bending angles of the upper section and the lower section range from 0° to 45°.

[0016] Preferably, an annular snap-in bulge 1 is provided on the top of the fixing cap, and an annular snap-in bulge 2 is provided on the inner wall of the bottom end of the lower section. The annular snap-in bulge 1 and the annular snap-in bulge 2 are interference fit, so that the fixing cap and the lower section can be rotated and disassembled relative to each other, thereby realizing the arbitrary rotation of the anti-bend joint relative to the fixing cap.

[0017] Preferably, a fixed soft plug for sealing is provided in the plug groove, and the top of the fixed soft plug is in close contact with the bottom of the cylindrical inner core.

[0018] Preferably, the number of the positioning posts is 4, and correspondingly, the number of the first positioning groove and the second positioning groove are 4 respectively.

[0019] Preferably, the axial fixation between the base and the drill body relies on the snap fit of the snap groove and the snap one, and the circumferential fixation between the base and the drill body relies on the snap fit of the positioning column and the positioning groove one; during puncture, the base, the drill body and the sealing gasket are completely locked relative to each other.

[0020] Preferably, the drill bit, the hose fixing part and the anti-bend joint are respectively left-right symmetrical and front-back symmetrical structures.

[0021] Preferably, after the base, the hose fixing part and the anti-bend joint are assembled, the diameters of all the through holes are equal and aligned.

[0022] Preferably, the central axis of all through holes after the apertures are aligned coincides with the central axis of the fixing device.

[0023] The second object of the present disclosure is to provide a method for fixing the drainage hose of the craniocerebral puncture device, which comprises the following steps:

[0024] S1 Drill bit assembly: Use the base and drill body to assemble the drill bit, make the corresponding buckle groove and buckle one buckle connected, and make the corresponding positioning column embedded in the positioning groove one, to ensure that the base, drill body and sealing gasket are completely locked relative to each other;

[0025] S2: Puncture: Use a drill bit to puncture the skull through the needle of the drill body;

[0026] S3: After the puncture is completed, the wing protrusion is pressed to release the buckle 1 from the buckle groove, thereby removing the drill body from the base and leaving the base on the skull; at this time, the through hole on the base is maintained as an open channel, and the sealing gasket remains in the gasket groove to continue to play a sealing role after the hose fixing is subsequently installed;

[0027] S4 Install the hose fixing: Connect the base and the hose fixing through the buckle groove and buckle 2 to ensure that the fixing base is tightly connected to the base;

[0028] S5 Install the anti-bending joint: Connect the anti-bending joint to the fixing cap, assemble the base, hose fixing part and anti-bending joint into a fixing device, and ensure that the anti-bending joint can rotate arbitrarily relative to the fixing cap and the upper section can be bent relative to the lower section;

[0029] S6: The drainage hose is passed through all the through holes, and the base, the hose fixing part and the anti-folding joint together fix the drainage hose.

[0030] Compared with the prior art solutions, the present invention has the following characteristics and beneficial effects: The present invention includes a drill bit, a hose fixing part and an anti-bend joint. The drill bit is assembled into an integrated drill bit structure designed for the skull through a detachably connected base and a drill body, ensuring that the puncture process is fast, accurate and as easy to operate as possible. After the puncture is completed, the drill body can be quickly removed by pressing the pterygoid, and the remaining base can directly establish and maintain an open and stable channel. The hose fixing part and the base cooperate with each other through the detachable structure of the two, so that the fixing seat of the hose fixing part can almost completely lie in the base, with only the upper fixing cap exposed, which greatly reduces the space occupied by the hose fixing part. The hose fixing part is connected to the base through a snap-on structure. After the drainage hose is inserted, the hose fixing part can ensure that the drainage hose and the base are stable and immovable, and provide a sealing effect without suturing. The design of the anti-bend joint also greatly reduces the risk caused by excessive bending of the drainage hose.

[0031] Through the unique design of the present invention, the puncture and fixed sealing operations are very simple, intuitive and efficient, which greatly reduces the operation time of medical staff, reduces the risk of damage to brain tissue, and reduces the risk of infection without suturing. The anti-bend joint also fully protects the drainage hose and ensures the smooth flow of the drainage channel. Through the hose fixing part of the present invention, the position of the drainage hose in the skull is reliably fixed, and the size of the fixing device is very small, which effectively avoids movement or falling off due to changes in body position or other external factors during the treatment process; through the disclosed anti-bend joint, the risk of blockage caused by excessive bending of the drainage hose is greatly reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the present disclosure 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 of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 It is a cross-sectional view from the main perspective when the fixing device composed of the base, the hose fixing part and the anti-bend joint described in the embodiment is used.

[0034] Figure 2 It is a front view (slightly tilted downward) of the fixing device described in the embodiment when in use.

[0035] Figure 3 It is a side view of the fixing device described in the embodiment when in use.

[0036] Figure 4 It is a front view of the drill bit, hose fixing part and anti-breakage joint described in the embodiment.

[0037] Figure 5 is a side view of the drill bit described in the embodiment.

[0038] Figure 6 It is a cross-sectional view from the main perspective of the drill bit described in the embodiment.

[0039] Figure 7 is a top view of the base described in the embodiment.

[0040] Figure 8 It is a front view of the drill body described in the embodiment.

[0041] Fig. 9 It is a plan view from the main perspective of the hose fixing member described in the embodiment.

[0042] Fig.10 It is a display diagram of the fixing seat described in the embodiment.

[0043] Fig.11 It is a display diagram of the fixing cap described in the embodiment.

[0044] Fig.12 It is a front view and a side view bending schematic diagram of the anti-bending joint described in the embodiment. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present disclosure to clearly and completely describe the technical solutions in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the present disclosure.

[0046] like Figure 1-12 As shown, in order to facilitate the understanding of the above technical solutions of the present disclosure, the above technical solutions of the present disclosure are described in detail below through specific usage methods.

[0047] The first object of the present disclosure is to provide a cranial puncture device, which includes a drill bit 10, a hose fixing part 20 and an anti-bend joint 30;

[0048] The drill bit 10 comprises a detachably connected base 11 and a drill body 12, a sealing gasket 13 is arranged between the base 11 and the drill body 12; hollows 111 are respectively arranged at the left and right ends of the base 11, and a buckle groove 112 is arranged at the lower end of the hollow 111; a pad groove 114 and a plurality of positioning columns 115 are arranged at the upper end of the base 11, and the sealing gasket 13 is located in the pad groove 114; the drill body 12 comprises a base 124, a needle 125 is respectively arranged at the top and the bottom of the base 124, a pressable wing protrusion 121 is arranged at the left and right ends of the base 124, a buckle 122 for buckling connection with the buckle groove 112 is arranged at the lower end of the wing protrusion 121, and a positioning groove 123 is arranged at the lower part of the base 124 for the positioning column 115 to be correspondingly embedded;

[0049] The hose fixing member 20 includes a fixing seat 21 and a fixing cap 22; the left and right ends of the fixing seat 21 are respectively provided with second buckles 211 for buckling connection with the buckle groove 112; the upper part of the fixing seat 21 is provided with a plug groove 213, the upper part of the outer wall of the plug groove 213 is provided with an external thread 212, and the lower part of the fixing seat 21 is provided with a second positioning groove 214 for the positioning column 115 to be correspondingly embedded;

[0050] The lower part of the fixing cap 22 is provided with an internal thread 223 corresponding to the external thread 212, and the inner center of the fixing cap 22 is provided with a cylindrical inner core 221, and the internal thread 223 is distributed around the outer side of the cylindrical inner core 221; the fixing seat 21 and the fixing cap 22 are threadedly connected through the external thread 212 and the internal thread 223;

[0051] The anti-break joint 30 includes an upper section 31 and a lower section 32, the lower portion of the upper section 31 is movably connected to the upper portion of the lower section 32, and the top end of the fixing cap 22 is movably connected to the bottom end of the lower section 32;

[0052] The base 11 , the fixing seat 21 , the fixing cap 22 , the upper section 31 , and the lower section 32 are respectively provided with through holes penetrating therethrough from top to bottom in their centers, and the through holes are used for the puncture needle 125 or the drainage hose 50 to pass through.

[0053] During implementation, the base 11 and the drill body 12 are detachably connected by the corresponding snap groove 112 and the snap fit of the snap one 122, and the corresponding positioning column 115 is embedded in the corresponding positioning groove one 123, so as to assemble the drill bit 10; after the drill bit 10 is used to complete the puncture work, the drill body 12 is removed from the base 11, and only the base 11 is retained on the skull, and the through hole on the base 11 is maintained as an open channel, and then the base 11 and the hose fixing part 20 are detachably connected by the snap fit of the snap groove 112 and the snap two 211, and the corresponding positioning column 115 is embedded in the corresponding positioning groove two 214, so as to combine the base 11, the hose fixing part 20, and the anti-folding joint 30 into the final fixing device 40, and at this time all the through holes together constitute a channel for the drainage hose 50 to pass through.

[0054] In one embodiment, the lower portion of the upper section 31 and the upper portion of the lower section 32 are movably connected via a pin or a bearing, so that the two can be bent relative to each other and the drainage hose 50 is fully protected from excessive bending, resulting in blockage or damage.

[0055] In one embodiment, the bending angles of the upper section 31 and the lower section 32 range from 0° to 45°.

[0056] In a certain embodiment, an annular snap-in protrusion 222 is provided on the top of the fixing cap 22, and an annular snap-in protrusion 321 is provided on the inner wall of the bottom end of the lower section 32. The annular snap-in protrusion 222 and the annular snap-in protrusion 321 are interference fit, so that the fixing cap 22 and the lower section 32 can be rotated and disassembled relative to each other, thereby realizing the arbitrary rotation of the anti-bend joint 30 relative to the fixing cap 22.

[0057] In one embodiment, a fixed soft plug 23 for sealing is disposed in the plug groove 213 , and the top of the fixed soft plug 23 is in close contact with the bottom of the cylindrical inner core 221 .

[0058] In one embodiment, the number of the positioning posts 115 is four, and correspondingly, the number of the first positioning groove 123 and the number of the second positioning groove 214 are four respectively.

[0059] In a certain embodiment, the axial fixation between the base 11 and the drill body 12 relies on the snap fit between the snap groove 112 and the snap 1 122, and the circumferential fixation between the base 11 and the drill body 12 relies on the snap fit between the positioning column 115 and the positioning groove 1 123; during puncture, the base 11, the drill body 12, and the sealing gasket 13 are completely locked relative to each other.

[0060] In one embodiment, the drill bit 10, the hose fixing part 20, and the anti-bend joint 30 are respectively left-right symmetrical and front-back symmetrical structures.

[0061] In one embodiment, after the base 11 , the hose fixing member 20 , and the anti-breakage joint 30 are assembled, the diameters of all the through holes are equal and aligned.

[0062] In one embodiment, the central axis of all the through holes after the diameters are aligned coincides with the central axis of the fixing device 40 .

[0063] The second object of the present disclosure is to provide a method for fixing the drainage hose of the craniocerebral puncture device, which comprises the following steps:

[0064] S1 assembling the drill bit: assembling the drill bit 10 with the base 11 and the drill body 12, making the corresponding buckle groove 112 and the buckle 1 122 buckle connected, and making the corresponding positioning column 115 embedded in the positioning groove 1 123, ensuring that the base 11, the drill body 12, and the sealing gasket 13 are completely relatively locked;

[0065] S2: Puncture: Use the drill bit 10 to puncture the skull through the needle 125 of the drill body 12;

[0066] S3: After the puncture is completed, the wing protrusion 121 is pressed to release the buckle 122 from the buckle groove 112, thereby removing the drill body 12 from the base 11, and retaining the base 11 on the skull; at this time, the through hole on the base 11 is maintained as an open channel, and the sealing gasket 13 is still left in the gasket groove 114 in the gasket groove, and continues to play a sealing role after the hose fixing member 20 is subsequently installed;

[0067] S4 Install the hose fixing part: The base 11 and the hose fixing part 20 are connected by snapping together through the snapping groove 112 and the second snapping part 211, and the fixing base 21 is ensured to be tightly connected to the base 11;

[0068] S5: Install the anti-bending joint: connect the anti-bending joint 30 to the fixing cap 22, assemble the base 11, the hose fixing part 20 and the anti-bending joint 30 into a fixing device 40, and ensure that the anti-bending joint 30 can rotate arbitrarily relative to the fixing cap 22 and the upper section 31 can be bent relative to the lower section 32;

[0069] S6: Pass the drainage hose 50 through all the through holes. The base 11 , the hose fixing part 20 , and the anti-bend joint 30 together fix the drainage hose 50 .

[0070] Working principle: After the puncture is completed, the buckle can be released by pressing the wing protrusions 121 on both sides of the drill body 12, and the drill body 12 can be pulled out from the base 11. At this time, the sealing gasket 13 still remains in the gasket groove 114 of the base 11, and continues to play a sealing role after the hose fixing part 20 is finally assembled; after the fixing part is installed, the fixing seat will lie completely in the hollow structure of the fixing seat, with only a small part and the fixing cap exposed, so the height and volume of the hose fixing part 20 are greatly reduced; after the anti-bending joint 30 and the fixing cap 22 are interference fit, the anti-bending joint 30 can be rotated arbitrarily relative to the fixing cap 22, and the anti-bending joint 30 itself is divided into two sections, with a maximum bending angle of 45°, which fully protects the drainage hose 50 from excessive bending and causing blockage or damage.

[0071] In summary, through the unique design of the present invention, the present invention includes a drill bit, a hose fixture and an anti-bend joint. The drill bit is assembled into an integrated drill bit structure designed for the skull through a detachably connected base and a drill body, ensuring that the puncture process is fast, accurate and as easy to operate as possible. After the puncture is completed, the drill body can be quickly removed by pressing the pterygoid, and the remaining base can directly establish and maintain an open and stable channel. The hose fixture and the base cooperate with each other through the detachable structure of the two, so that the fixing seat of the hose fixture can almost completely lie in the base, with only the upper fixing cap exposed, greatly reducing the space occupied by the hose fixture. The hose fixture is connected to the base through a snap-on structure. After the drainage hose is inserted, the hose fixture can ensure that the drainage hose and the base are stable and immovable, and provide a sealing effect without suturing. The design of the anti-bend joint also greatly reduces the risk caused by excessive bending of the drainage hose.

[0072] The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present disclosure should be included in the protection scope of the present disclosure.

Claims

1. A cranial puncture device, characterized in that: It comprises a drill bit (10), a hose fixing part (20) and an anti-breakage joint (30); The drill bit (10) comprises a detachably connected base (11) and a drill body (12), wherein a sealing gasket (13) is provided between the base (11) and the drill body (12); the left and right ends of the base (11) are respectively provided with hollows (111), and the lower end of the hollow (111) is provided with a snap groove (112); the upper end of the base (11) is provided with a gasket groove (114) and a plurality of positioning columns (115), and the sealing gasket (13) is located in the gasket groove (114). ); the drill body (12) comprises a base (124), the top and bottom of the base (124) are respectively provided with a needle (125), the left and right ends of the base (124) are provided with a pressable wing protrusion (121), the lower end of the wing protrusion (121) is provided with a buckle (122) for buckling connection with the buckle groove (112), and the lower part of the base (124) is provided with a positioning groove (123) for the positioning column (115) to be correspondingly embedded; The hose fixing member (20) comprises a fixing seat (21) and a fixing cap (22); the left and right ends of the fixing seat (21) are respectively provided with a second buckle (211) for buckling connection with the buckle groove (112); the upper part of the fixing seat (21) is provided with a plug groove (213); the upper part of the outer wall of the plug groove (213) is provided with an external thread (212); the lower part of the fixing seat (21) is provided with a second positioning groove (214) for the positioning column (115) to be correspondingly embedded; the lower part of the fixing cap (22) is provided with an internal thread (223) corresponding to the external thread (212); the inner center of the fixing cap (22) is provided with a cylindrical inner core (221), and the internal thread (223) is distributed around the outer side of the cylindrical inner core (221); the fixing seat (21) and the fixing cap (22) are threadedly connected through the external thread (212) and the internal thread (223); The anti-breakage joint (30) comprises an upper section (31) and a lower section (32), the lower portion of the upper section (31) is movably connected to the upper portion of the lower section (32), and the top end of the fixing cap (22) is movably connected to the bottom end of the lower section (32); The centers of the base (11), the fixing seat (21), the fixing cap (22), the upper section (31), and the lower section (32) are respectively provided with through holes penetrating therethrough from top to bottom, and the through holes are used for the puncture needle (125) or the drainage hose (50) to pass through; The lower part of the upper section (31) and the upper part of the lower section (32) are movably connected via a pin or a bearing, so that the two can be bent relative to each other and the drainage hose (50) is fully protected from excessive bending, resulting in blockage or damage.

2. The craniocerebral puncture device according to claim 1, characterized in that: The bending angles of the upper section (31) and the lower section (32) range from 0° to 45°.

3. The craniocerebral puncture device according to claim 1, characterized in that: The top of the fixing cap (22) is provided with an annular locking protrusion (222), and the inner wall of the bottom end of the lower section (32) is provided with an annular locking protrusion (321). The annular locking protrusion (222) and the annular locking protrusion (321) are interference-fitted, so that the fixing cap (22) and the lower section (32) can be rotated and disassembled relative to each other.

4. The craniocerebral puncture device according to claim 1, characterized in that: A fixed soft plug (23) for sealing is arranged in the plug groove (213), and the top of the fixed soft plug (23) is in close contact with the bottom of the cylindrical inner core (221).

5. The craniocerebral puncture device according to claim 1, characterized in that: The number of the positioning posts (115) is four, and correspondingly, the number of the positioning grooves 1 (123) and 2 (214) are four respectively.

6. The craniocerebral puncture device according to claim 1, characterized in that: The axial fixation between the base (11) and the drill body (12) relies on the snap fit between the snap groove (112) and the snap one (122), and the circumferential fixation between the base (11) and the drill body (12) relies on the snap fit between the positioning column (115) and the positioning groove one (123); during puncture, the base (11), the drill body (12) and the sealing pad (13) are completely locked relative to each other.

7. The cranial puncture device according to claim 1, characterized in that: The drill bit (10), the hose fixing part (20) and the anti-bend joint (30) are respectively left-right symmetrical and front-back symmetrical structures.

8. The craniocerebral puncture device according to claim 7, characterized in that: After the base (11), the hose fixing member (20), and the anti-bend joint (30) are assembled, the diameters of all the through holes are equal and aligned.

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