A cranial surgery channel device and its use method

Abstract

A cranial surgery channel device and a method for using the same, which relates to a surgical channel device and a method for using the same. The present invention solves the problems of positional deviation and accidental injury during cranial puncture by integrating a neuro-navigation system and a visualization scheme. The tube core of the present invention is inserted into the channel and clamped with the channel through a connector, and an observation mirror and a navigation stick are inserted into the tube core along the axial direction of the tube core; the observation mirror is inserted into the observation mirror mounting hole of the tube core and locked; the navigation stick is inserted into the navigation stick mounting hole of the tube core and locked; the tube core is inserted into the channel, the tongue-shaped handle corresponds to the position of the chuck, and the channel and the tube core are connected through a connector to form a cranial surgery channel device; the tube core is inserted into the brain tissue under the guidance of the navigation system, and the observation mirror visualizes the brain tissue passed through by the front end of the cone head, and the target position is adjusted and inserted according to the real-time image; the connector is loosened, the tube core is withdrawn from the channel, and the channel remains in the brain tissue for surgery. The present invention is used for cranial surgery.

Description

Technical Field

[0001] The present invention relates to a surgical channel device and a method for using the same, and in particular to a cranial surgical channel device and a method for using the same. Background Art

[0002] Surgery for deep brain lesions requires the establishment of a surgical channel to reach the deep surgical area. In the past, traditional traction methods such as brain pressure plates were used to expose the lesions. Because brain tissue is soft, delicate and functional, these operations cause damage to the brain tissue such as contusion, ischemia, and edema, which can lead to impaired brain function. Chinese invention patents No. 102614012B and CN108992768A disclose a sleeve-like channel device that provides surgical operation space and field of view, reduces brain tissue damage by dispersing force, reducing traction, etc. However, previous patent technologies have the following defects: it is not easy to integrate currently commonly used image-guided manual positioning, stereotactic instruments, frameless neuronavigation and other lesion positioning methods; the "blind puncture method" is used to insert the channel, and the operator cannot foresee and deal with position deviation and accidental injury during the puncture process.

[0003] In summary, the existing sleeve-shaped channel device has problems of positional deviation and accidental injury during the puncture process during surgery. Summary of the invention

[0004] The purpose of the present invention is to solve the problem of position deviation and accidental injury during puncture in the existing cannula-shaped channel device during surgery by integrating a neuronavigation system and a visualization solution, and further provide a cranial surgery channel device and a method of using the same.

[0005] The technical scheme of the present invention is as follows: a cranial surgery channel device comprises a channel, a tube core, a connecting piece and a locking piece, the connecting piece is mounted on the tube core and then clamped on the tongue-shaped handle of the channel, an observation mirror and a navigation rod are inserted into the tube core along the axial direction of the tube core, and the observation mirror and the navigation rod are locked at the end of the tube core through the locking piece; the channel is a transparent cylindrical channel, and a scale is provided on the channel; a tongue-shaped handle is provided at the end of the channel, and a bayonet is provided on the side wall of the tongue-shaped handle; the tube core is a transparent tube core, and a scale is provided on the tube core; the tube core comprises a tube body, a conical head, a plug and a chuck, the conical head and the plug are respectively mounted on the left and right ends of the tube body, the chuck is mounted on the plug, and the conical head is smoothly transitioned and connected with the wedge surface at the front end of the channel; the chuck and the tongue-shaped handle are located on the same side, an observation mirror mounting hole and a navigation rod mounting hole are respectively provided in the tube body along its axial direction, a plurality of air holes are provided on the circumferential side wall of the tube body close to the conical head, and the tube body, the conical head, the plug and the chuck are made into one body.

[0006] Furthermore, it also includes a spring. A claw is provided on the connecting piece. The claw of the connecting piece is connected to the clamp head on the side facing the tongue-shaped handle through the spring, and the claw of the connecting piece is clamped on the socket of the tongue-shaped handle.

[0007] The present invention also provides a method for using the cranial surgery channel device, which comprises the following steps:

[0008] Step 1: Insert the sight glass into the sight glass mounting hole of the tube core, and adjust the focal length of the sight glass to make the field of view of the cone head clear;

[0009] Step 2: Insert the navigation stick into the navigation stick installation hole of the tube core until the top reaches the conical head, and connect and fix the observation mirror and the navigation stick through the locking piece;

[0010] Step 3: insert the tube core into the channel, the tongue-shaped handle corresponds to the position of the chuck, and the channel and the tube core are connected through a connector to form a cranial surgery channel device;

[0011] Step 4: Insert the cranial surgery channel device into the brain tissue under the guidance of the navigation system, observe the brain tissue passed by the front end of the cone head through the viewing mirror display screen, and adjust the channel insertion angle and depth to the target position based on the real-time image.

[0012] Step 5: Loosen the connector and withdraw the core tube from the channel, which remains in the brain tissue. At this point, subsequent surgical operations can be completed through the channel.

[0013] The present invention also provides a cranial surgery channel device, which comprises a channel, a tube core, a connecting piece and a locking piece, wherein the connecting piece is mounted on the tube core and then clamped on the tongue-shaped handle of the channel, an observation mirror or a navigation stick is passed through the tube core along the axial direction of the tube core, and the observation mirror or the navigation stick is locked to the end of the tube core through the locking piece; the channel is a transparent cylindrical channel, and a scale is provided on the channel; a tongue-shaped handle is provided at the end of the channel, and a bayonet is provided on the side wall of the tongue-shaped handle; the tube core is a transparent tube core, and a scale is provided on the tube core; the tube core comprises a tube body, a conical head, a plug and a chuck, the conical head and the plug are respectively mounted on the left and right ends of the tube body, the chuck is mounted on the plug, and the conical head is smoothly transitionally connected to the wedge-shaped surface at the front end of the channel; the chuck and the tongue-shaped handle are located on the same side, an observation mirror mounting hole is provided in the tube body along its axial direction, a plurality of air holes are provided on the circumferential side wall of the tube body close to the conical head, and the tube body, the conical head, the plug and the chuck are made into one body.

[0014] Furthermore, it also includes a spring. A claw is provided on the connecting piece. The claw of the connecting piece is connected to the clamp head on the side facing the tongue-shaped handle through the spring, and the claw of the connecting piece is clamped on the socket of the tongue-shaped handle.

[0015] The present invention also provides a method for using the cranial surgery channel device, which comprises the following steps:

[0016] Step 1: Insert the navigation stick into the navigation stick installation hole of the tube core until the top reaches the conical head, and connect and fix the navigation stick with the locking piece;

[0017] Step 2: insert the tube core into the channel, the tongue-shaped handle corresponds to the position of the chuck, and the channel and the tube core are connected by a connector to form a cranial surgery channel device;

[0018] Step 3: insert the cranial surgery channel device into the brain tissue under the guidance of the navigation system, determine the target position through the neuronavigation system, and guide the end of the navigation rod to be inserted until the target position;

[0019] Step 4: Keep the position in step 3 unchanged, loosen the locking piece, take out the navigation stick and insert the observation mirror, and lock the locking piece;

[0020] Step 5: Observe the brain tissue that the front end of the cone head passes through through the viewing mirror display screen, and adjust the channel insertion angle and depth to the target position based on the real-time image;

[0021] Step 6: Loosen the connector and withdraw the core tube from the channel, which remains in the brain tissue. At this point, subsequent surgical operations can be completed through the channel.

[0022] The present invention also provides a cranial surgery channel device, which comprises a channel, a tube core, a connecting piece, a locking piece and a camera. The connecting piece is mounted on the tube core and then clamped on the tongue-shaped handle of the channel. The navigation stick is inserted into the tube core along the axial direction of the tube core, and the navigation stick is locked at the end of the tube core through the locking piece. The channel is a transparent cylindrical channel, and a scale is provided on the channel. A tongue-shaped handle is provided at the end of the channel, and a bayonet is provided on the side wall of the tongue-shaped handle. The tube core is a transparent tube core, and a scale is provided on the tube core. The tube core comprises a tube body, a conical head, a plug and a chuck, and the conical head and the plug are respectively mounted on the left and right ends of the tube body, and the chuck is mounted on the plug. The conical head is smoothly transitioned and connected with the wedge surface at the front end of the channel, and the chuck and the tongue-shaped handle are located on the same side. A navigation stick mounting hole is provided in the tube body along its axial direction, and a plurality of air vents are provided on the circumferential side wall of the tube body close to the conical head. The camera is mounted in the conical head of the tube body, and the tube body, the conical head, the plug and the chuck are made into one body.

[0023] Furthermore, it also includes a spring. A claw is provided on the connecting piece. The claw of the connecting piece is connected to the clamp head on the side facing the tongue-shaped handle through the spring, and the claw of the connecting piece is clamped on the socket of the tongue-shaped handle.

[0024] Furthermore, it also includes an antenna, a battery and a chip, which are installed in the tube body in sequence and cooperate with the camera to complete image acquisition and transmission.

[0025] The present invention also provides a method for using the cranial surgery channel device, which comprises the following steps:

[0026] Step 1: Match and debug the image transmission system so that the image can be displayed on the external display screen;

[0027] Step 2: Insert the navigation stick into the navigation stick installation hole of the tube core until the top reaches the conical head, and fix the navigation stick with the locking piece;

[0028] Step 3: insert the tube core into the channel, the tongue-shaped handle corresponds to the position of the chuck, and the channel and the tube core are connected through a connector to form a cranial surgery channel device;

[0029] Step 4: Insert the cranial surgery channel device into the brain tissue under the guidance of the navigation system, observe the brain tissue passed by the front end of the cone head through the camera display screen, and adjust the channel insertion angle and depth to the target position based on the real-time image.

[0030] Step 5: Loosen the connector and withdraw the core tube from the channel, which remains in the brain tissue. At this point, subsequent surgical operations can be completed through the channel.

[0031] Compared with the prior art, the present invention has the following effects:

[0032] 1. In the prior art, if a navigation system is needed, it is generally necessary to first perform navigation puncture and then insert the channel, which requires more than two puncture processes, adds 2-5 operation steps, and the switching process easily causes position displacement. The present invention only requires one puncture and one step of operation to complete the puncture of the integrated navigation system, which is simple, convenient, and accurate in positioning.

[0033] 2. In the prior art, the puncture process relies on the operator's experience and lacks objective indicators. The present invention adopts a visualization solution, which can ensure that the tissue structure and lesion condition of the puncture tip are clearly displayed during the operation. It can adjust the puncture angle and puncture depth according to the real-time image of the puncture process, correct the puncture deviation and positioning error, and improve the accuracy of the puncture. According to our previous test data, under the condition of image-guided manual positioning (most commonly used in clinical practice), the channel insertion success rate using the previous technology is about 85% (17 / 20), and the channel insertion success rate using the present invention reaches 97.0% (32 / 33).

[0034] 3. The present invention integrates the navigation positioning system and visualization to provide objective indicators for channel insertion, which can avoid repeated punctures and reduce the possibility of brain tissue damage. The operation process is clear, simple and accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a schematic diagram of the overall structure of a specific implementation method 1 of the present invention (hereinafter referred to as Scheme 1); Figure 2 This is the main view of Scheme 1; Figure 3 yes Figure 2 Section view along AA; Figure 4 yes Figure 2 A top view of Figure 5 This is the exploded diagram of plan 1; Figure 6This is the main view of Scheme 1 when used in conjunction with the navigation stick and observation mirror; Figure 7 yes Figure 6 Axonometric drawing of .

[0036] Figure 8 It is a schematic diagram of the overall structure of a fourth specific implementation mode of the present invention (hereinafter referred to as Scheme 2); Fig. 9 This is the main view of Scheme 2; Fig.10 yes Fig. 9 Sectional view along BB; Fig.11 yes Fig. 9 A top view of Fig.12 This is the decomposition diagram of Option 2; Fig.13 This is the main view when Option 2 is used in conjunction with a navigation stick or an observation mirror; Fig.14 yes Fig.13 Axonometric drawing of .

[0037] Fig.15 It is a schematic diagram of the overall structure of the seventh specific implementation mode of the present invention (hereinafter referred to as Scheme 3); Fig.16 This is the main view of Scheme 3; Fig.17 yes Fig.16 Sectional view along CC; Fig.18 yes Fig.16 A top view of Fig.19 This is the exploded diagram of plan three; Fig. 20 This is the main view when using Solution 3 with the navigation stick; Fig.21 yes Fig.19 Axonometric drawing of .

[0038] Fig. 22 is a schematic diagram of the axial structure of the tube core 2; Fig.23 This is the main view of channel 1; Fig.24 is a schematic structural diagram of the connecting member 3; Fig.25 Schematic diagram of the structure of the locking member 4. DETAILED DESCRIPTION

[0039] Specific implementation method 1: Combination Figures 1 to 7 , Figure 22 to Figure 25The present embodiment is described. A cranial surgery channel device of the present embodiment comprises a channel 1, a tube core 2, a connector 3 and a locking member 4. The connector 3 is mounted on the tube core 2 and then clamped on the tongue-shaped handle 1-1 of the channel 1. The observation mirror O and the navigation stick P are inserted into the tube core 2 along the axial direction of the tube core 2, and the observation mirror O and the navigation stick P are locked on the end of the tube core 2 by the locking member 4. The channel 1 is a transparent cylindrical channel, and a scale is provided on the channel 1. A tongue-shaped handle 1-1 is provided at the end of the channel 1, and a bayonet 1-2 is provided on the side wall of the tongue-shaped handle 1-1. The tube core 2 is a transparent tube core, and a scale is provided on the tube core 2. The tube core 2 comprises a tube body. 2-1, a conical head 2-2, a plug 2-3 and a chuck 2-4, the conical head 2-2 and the plug 2-3 are respectively installed at the left and right ends of the tube body 2-1, the chuck 2-4 is installed on the plug 2-3, the conical head 2-2 is smoothly connected with the wedge surface at the front end of the channel 1, the chuck 2-4 and the tongue-shaped handle 1-1 are located on the same side, the tube body 2-1 is provided with an observation mirror mounting hole 2-5 and a navigation stick mounting hole 2-6 along its axial direction, a plurality of air holes 2-7 are provided on the circumferential side wall of the tube body 2-1 close to the conical head 2-2, the tube body 2-1, the conical head 2-2, the plug 2-3 and the chuck 2-4 are made into one body.

[0040] The channel 1 of this embodiment is a thin-walled transparent tubular structure, with an outer diameter of 5-30 mm and a length of 30-150 mm. A scale line is provided on the side of the channel 1 from the bottom to the top to indicate the insertion depth during surgery.

[0041] The bottom of the channel 1 of this embodiment is slightly wedge-shaped, so as to smoothly continue with the conical head 2-2;

[0042] The channel 1 of this embodiment has a tongue-shaped handle 1-1 at the top, which is used to connect with the connecting piece 3, and can also be connected with other external structures such as a snake-shaped hook to fix the channel 1.

[0043] The conical head 2-2 of this embodiment is a transparent structure with a cone height of 5mm-20mm, and is used to push away brain tissue during insertion to provide space for channel insertion. The head is rounded and blunted to avoid cutting and damaging tissue.

[0044] The side of the tube body 2-1 of this embodiment is provided with a plurality of air holes 2-7 to avoid a suction effect when the tube core is withdrawn.

[0045] The tube body 2 - 1 of this embodiment is provided with scale lines for indicating the insertion depth.

[0046] The navigation stick mounting hole 2-6 on the tube body 2-1 of this embodiment has an inner diameter of 2-5 mm and is located in the center for connecting structures such as a navigation stick.

[0047] The observation mirror mounting hole 2-5 on the tube body 2-1 of this embodiment has an inner diameter of 2-8 mm and is located on the side for connecting the observation mirror rod. The bottom of the observation mirror P has an observation window 2-8 and a stop edge 2-9, which ensure that the front of the observation lens has a clear field of view and will not be exposed.

[0048] The locking member 4 of this embodiment is an auxiliary structure of the tube core 2, and is used to fix the rod-shaped structure observation mirror O and navigation stick P inserted into the observation mirror mounting hole 2-5 and the navigation stick mounting hole 2-6, and can be locked or opened.

[0049] Specific implementation method 2: Combination Figures 1 to 7 , Figure 22 to Figure 25 This embodiment is described. This embodiment also includes a spring 9. A claw 3-1 is provided on the connector 3. The claw 3-1 of the connector 3 is connected to the chuck 2-4 on the side facing the tongue-shaped handle 1-1 through the spring 9, and the claw 3-1 of the connector 3 is clamped on the bayonet 1-2 of the tongue-shaped handle 1-1. This arrangement has a simple structure and is convenient for quickly disassembling and assembling the tube core during surgery. Other components and connection relationships are the same as those of the first embodiment.

[0050] Specific implementation method three: Combination Figures 1 to 7 , Figure 22 to Figure 25 The present embodiment is described. A method for using a cranial surgery channel device of the present embodiment comprises the following steps:

[0051] Step 1: Insert the observation mirror O into the observation mirror mounting hole 2-5 of the tube core 2, and adjust the focal length of the observation mirror O to make the field of view of the conical head 2-2 clear;

[0052] Step 2: insert the navigation stick P into the navigation stick mounting hole 2-6 of the tube core 2, until the top reaches the conical head 2-2, and connect and fix the observation mirror O and the navigation stick P through the locking member 4;

[0053] Step 3: insert the tube core 2 into the channel 1, the tongue-shaped handle 1-1 corresponds to the position of the chuck 2-4, and connect the channel 1 and the tube core 2 through the connector 3 to form a cranial surgery channel device;

[0054] Step 4: Insert the cranial surgery channel device into the brain tissue under the guidance of the navigation system, observe the brain tissue through which the front end of the cone head 2-2 passes through the display screen of the observation mirror O, and adjust the channel insertion angle and depth to the target position according to the real-time image.

[0055] Step 5: Loosen the connector 3 and withdraw the core tube 2 from the channel 1. The channel 1 still remains in the brain tissue. At this time, subsequent surgical operations can be completed through the channel 1.

[0056] Specific implementation method four: Combination Figures 8 to 14 , Figure 22 to Figure 25The present embodiment is described, and the present embodiment comprises a channel 1, a tube core 2, a connector 3 and a locking member 4. The connector 3 is mounted on the tube core 2 and then clamped on the tongue-shaped handle 1-1 of the channel 1. The observation mirror O or the navigation stick P is inserted into the tube core 2 along the axial direction of the tube core 2, and the observation mirror O or the navigation stick P is locked on the end of the tube core 2 by the locking member 4. The channel 1 is a transparent cylindrical channel, and a scale is provided on the channel 1. A tongue-shaped handle 1-1 is provided at the end of the channel 1, and a bayonet 1-2 is provided on the side wall of the tongue-shaped handle 1-1. The tube core 2 is a transparent tube core, and a scale is provided on the tube core 2. The tube core 2 comprises a tube The tube body 2-1, the conical head 2-2, the plug 2-3 and the chuck 2-4 are respectively mounted on the left and right ends of the tube body 2-1, the chuck 2-4 is mounted on the plug 2-3, the conical head 2-2 is smoothly connected with the wedge-shaped surface at the front end of the channel 1, the chuck 2-4 and the tongue-shaped handle 1-1 are located on the same side, an observation mirror mounting hole 2-5 is provided in the tube body 2-1 along its axial direction, a plurality of air holes 2-7 are provided on the circumferential side wall of the tube body 2-1 close to the conical head 2-2, and the tube body 2-1, the conical head 2-2, the plug 2-3 and the chuck 2-4 are made into one body.

[0057] The viewing mirror mounting hole 2-5 of this embodiment has an inner diameter of 2-8 mm and is located in the center for connecting the viewing mirror rod. The bottom thereof has an observation window 2-8 and a stop edge 2-9, which ensure that the viewing lens has a clear field of view in front and does not penetrate.

[0058] The locking member 4 of this embodiment is an auxiliary structure of the tube core B, which is used to fix the rod-shaped structure observation mirror inserted into the observation mirror installation hole 2-5. It can be locked or opened, and can ensure that the rod-shaped structure is located in the center.

[0059] Specific implementation method five: Combination Figures 8 to 14 , Figure 22 to Figure 25 This embodiment is described. This embodiment also includes a spring 9. A claw 3-1 is provided on the connector 3. The claw 3-1 of the connector 3 is connected to the clamp 2-4 on the side facing the tongue-shaped handle 1-1 through the spring 9. The claw 3-1 of the connector 3 is clamped on the bayonet 1-2 of the tongue-shaped handle 1-1. This arrangement facilitates the quick disassembly and assembly of the connector. Other components and connection relationships are the same as those of the first, second, third or fourth embodiments.

[0060] Specific implementation method six: Combination Figures 8 to 14 , Figure 22 to Figure 25 The present embodiment is described. A method for using a cranial surgery channel device of the present embodiment comprises the following steps:

[0061] Step 1: insert the navigation stick P into the navigation stick mounting hole 2-6 of the tube core 2, until the top reaches the conical head 2-2, and connect and fix the navigation stick P through the locking piece 4;

[0062] Step 2: insert the tube core 2 into the channel 1, the tongue-shaped handle 1-1 corresponds to the position of the chuck 2-4, and the channel 1 and the tube core 2 are connected by the connector 3 to form a cranial surgery channel device;

[0063] Step 3: insert the cranial surgery channel device into the brain tissue under the guidance of the navigation system, determine the target position through the neuronavigation system, and guide the end of the navigation rod P to be inserted until the target position;

[0064] Step 4: Keep the position in step 3 unchanged, loosen the locking piece 4, take out the navigation stick P and insert the observation mirror O, and lock the locking piece 4;

[0065] Step 5: Observe the brain tissue passed through by the front end of the cone head 2-2 through the viewing mirror display screen, and adjust the channel insertion angle and depth to the target position according to the real-time image;

[0066] Step 6: Loosen the connector 3 and withdraw the core tube 2 from the channel 1. The channel 1 still remains in the brain tissue. At this time, subsequent surgical operations can be completed through the channel 1.

[0067] Specific implementation method seven: Combination Figures 15 to 25 The present embodiment is described. A cranial surgery channel device of the present embodiment comprises a channel 1, a tube core 2, a connector 3, a locking member 4 and a camera 5. The connector 3 is mounted on the tube core 2 and then clamped on the tongue-shaped handle 1-1 of the channel 1. The navigation stick P is inserted into the tube core 2 along the axial direction of the tube core 2, and the navigation stick P is locked on the end of the tube core 2 by the locking member 4. The channel 1 is a transparent cylindrical channel, and a scale is provided on the channel 1. A tongue-shaped handle 1-1 is provided at the end of the channel 1, and a bayonet 1-2 is provided on the side wall of the tongue-shaped handle 1-1. The tube core 2 is a transparent tube core, and a scale is provided on the tube core 2. The tube core 2 comprises a tube body 2-1, a conical tube body 2-2, and a cylindrical tube body 2-3. The conical head 2-2, the plug 2-3 and the chuck 2-4 are respectively installed at the left and right ends of the tube body 2-1, and the chuck 2-4 is installed on the plug 2-3. The conical head 2-2 is smoothly connected with the wedge surface at the front end of the channel 1, and the chuck 2-4 and the tongue-shaped handle 1-1 are located on the same side. A navigation stick mounting hole 2-6 is provided in the tube body 2-1 along its axial direction, and a plurality of air holes 2-7 are provided on the circumferential side wall of the tube body 2-1 close to the conical head 2-2. The camera 5 is installed in the conical head 2-2 of the tube body 2-1. The tube body 2-1, the conical head 2-2, the plug 2-3 and the chuck 2-4 are made into one body.

[0068] Specific implementation method eight: Combination Figures 15 to 25This embodiment further includes a spring 9, a claw 3-1 is provided on the connector 3, the claw 3-1 of the connector 3 is connected to the clamp 2-4 on the side facing the tongue-shaped handle 1-1 through the spring 9, and the claw 3-1 of the connector 3 is clamped on the bayonet 1-2 of the tongue-shaped handle 1-1. This arrangement facilitates the quick disassembly and assembly of the connector. Other components and connection relationships are the same as any one of the specific embodiments 1 to 7.

[0069] Specific implementation method nine: Combination Figures 15 to 25 This embodiment further includes an antenna 6, a battery 7 and a chip 8, which are sequentially installed in the tube body 2-1. This arrangement facilitates the processing of the camera data by the chip before displaying it on the display screen. The other components and connection relationships are the same as any one of the specific embodiments 1 to 8.

[0070] The camera system of this embodiment adopts a medical endoscope module (including a camera 5 and a chip 8). In actual use, you can choose Sumita Optical Endoscope 1 / 6SEL140-032, Reo Video Medical Endoscope Module RA57023C-60LED, etc. Antenna 6 can choose Sparkfun Wi-Fi module ESP8266, ITON Wi-Fi module BW1360-PCIE TAIYOYUNDEN Bluetooth module EYSHSNZWZ, and battery 7 can choose TAIYOYUNDENLIC1030RS3R820.

[0071] The navigation stick mounting hole 2-6 of this embodiment has an inner diameter of 2-5 mm and is located in the center for inserting and fixing the navigation system.

[0072] The locking member 4 of this embodiment is an auxiliary structure of the tube core 2, and is used to fix the rod-shaped navigation stick P inserted into the navigation stick installation hole 2-6. It can be locked or opened, and can ensure that the rod-shaped structure is located in the center.

[0073] The camera 5 of this embodiment is a miniature camera, located at the bottom of the cone head, and the front end structure can be observed through the transparent cone head. Other camera hardware systems include image chip 8, battery 7, and wireless signal transmission system 6, which are located in the tube core 2. The camera 5 transmits images to other image display systems, such as monitors, mobile phones, etc., through the wireless signal transmission system.

[0074] Specific implementation method ten: Combination Figures 15 to 25 The present embodiment is described. A method for using a cranial surgery channel device of the present embodiment comprises the following steps:

[0075] Step 1: Match and debug the image transmission system so that the image can be displayed on the external display screen;

[0076] Step 2: insert the navigation stick P into the navigation stick mounting hole 2-6 of the tube core 2, until the top reaches the conical head 2-2, and fix the navigation stick P by the locking member 4;

[0077] Step 3: insert the tube core 2 into the channel 1, the tongue-shaped handle 1-1 corresponds to the position of the chuck 2-4, and connect the channel 1 and the tube core 2 through the connector 3 to form a cranial surgery channel device;

[0078] Step 4: Insert the cranial surgery channel device into the brain tissue under the guidance of the navigation system, and observe the brain tissue through which the front end of the cone head 2-2 passes through the display screen through the camera 5, and adjust the channel insertion angle and depth to the target position based on the real-time image.

[0079] Step 5: Loosen the connector 3 and withdraw the core tube 2 from the channel 1. The channel 1 still remains in the brain tissue. At this time, subsequent surgical operations can be completed through the channel 1.

Claims

1. A cranial surgery channel device, characterized in that: It comprises a channel (1), a tube core (2), a connecting piece (3) and a locking piece (4); the tube core (2) is inserted into the channel (1); the connecting piece (3) is mounted on the tube core (2) and then clamped on a tongue-shaped handle (1-1) of the channel (1); an observation mirror (O) and a navigation rod (P) are inserted into the tube core (2) along the axial direction of the tube core (2); and the observation mirror (O) and the navigation rod (P) are locked at the end of the tube core (2) through the locking piece (4); The channel (1) is a transparent cylindrical channel, and a scale is provided on the channel (1); a tongue-shaped handle (1-1) is provided at the end of the channel (1). A bayonet (1-2) is provided on the side wall of the tongue-shaped handle (1-1); the tube core (2) is a transparent tube core, and a scale is provided on the tube core (2); the tube core (2) comprises a tube body (2-1), a conical head (2-2), a plug (2-3) and a chuck (2-4); the conical head (2-2) and the plug (2-3) are respectively installed at the left and right ends of the tube body (2-1); the chuck (2-4) is installed on the plug (2-3); the conical head (2-2) is connected to the channel (1) The wedge-shaped surface at the front end is smoothly transitioned and connected; the chuck (2-4) and the tongue-shaped handle (1-1) are located on the same side; an observation mirror mounting hole (2-5) and a navigation stick mounting hole (2-6) are respectively provided in the tube body (2-1) along its axial direction; a plurality of air holes (2-7) are provided on the circumferential side wall of the tube body (2-1) close to the conical head (2-2); the tube body (2-1), the conical head (2-2), the plug (2-3) and the chuck (2-4) are made into one piece; The observation mirror mounting hole (2-5) has an inner diameter of 2-8 mm and is located in the center for connecting the observation mirror rod. The bottom of the observation mirror rod has an observation window (2-8) and a stop edge (2-9), which ensure that the observation lens has a clear field of view in front of the observation lens and does not protrude.

2. A cranial surgery channel device according to claim 1, characterized in that: It also includes a spring (9). A claw (3-1) is provided on the connecting piece (3). The claw (3-1) of the connecting piece (3) is connected to the clamp (2-4) on the side facing the tongue-shaped handle (1-1) through the spring (9), and the claw (3-1) of the connecting piece (3) is clamped on the clamping port (1-2) of the tongue-shaped handle (1-1).

Images