A human-machine dual-purpose skull puncture device with a detachable handle

Abstract

The present invention belongs to the technical field of medical devices, and specifically relates to a human-machine dual-use skull puncture device with a detachable handle, comprising a drilling sheath and a bone-breaking needle, and also comprising a detachable handle, wherein the first end of the drilling sheath is serrated, and the second end of the drilling sheath is provided with a first mounting seat, a groove is provided at the center position of the first mounting seat, and a first clamping block is fixedly provided on the outer wall of the first mounting seat; the first end of the bone-breaking needle is pyramidal, and the second end of the bone-breaking needle is provided with a second mounting seat matching the groove; the handle comprises a gripping handle, the bottom of the gripping handle extends axially to form an accommodating cavity, the side wall of the accommodating cavity is provided with an elastic clip, and a limiting protrusion is provided at the first end of the clip. The present scheme comprehensively provides a skull puncture device with a detachable handle that is simple in structure, convenient to operate, and has a good bone-breaking effect, and can be used by both robots and humans.

Description

Technical Field

[0001] The invention belongs to the technical field of medical devices, and in particular relates to a human-machine dual-purpose skull puncture device with a detachable handle. Background Art

[0002] Clinically, when diagnosing and treating brain diseases such as intracranial lesions, in order to clarify the nature of the brain tissue lesions, a portion of typical brain tissue needs to be removed for pathological testing. However, due to the skull obstructing puncture and the fragility of brain tissue, it is very difficult to obtain pathological tissue clinically. The traditional method uses cranial surgery, which is extremely traumatic to the patient and can easily leave serious complications such as hemiplegia and language dysfunction.

[0003] To this end, the invention with publication number CN117442251A provides a brain tumor puncture biopsy device adapted for CT guidance, including a skull drilling sheath, a bone-breaking needle cooperating with the skull drilling sheath, a biopsy needle sheath cooperating with the skull drilling sheath, and a biopsy needle cooperating with the biopsy needle sheath; the skull drilling sheath includes a first puncture sheath, a holder is provided at the top of the first puncture sheath, and a U-shaped groove is provided on the holder; the bone-breaking needle includes a bone-breaking needle core that can penetrate the first puncture sheath, and a block that can be detachably placed in the U-shaped groove is provided at the top of the bone-breaking needle core; the biopsy needle sheath includes a second puncture sheath that can penetrate the first puncture sheath, and a puncture handle is provided at the top of the second puncture sheath; the biopsy needle includes a biopsy needle core that can penetrate the second puncture sheath, and a limiting handle is provided at the top of the biopsy needle core.

[0004] This solution uses a skull drilling sheath in conjunction with a bone-breaking needle to more conveniently establish a skull channel. The cooperation between the skull drilling sheath and the biopsy needle sheath makes it easier to control the direction and progress of the biopsy needle, which overall helps reduce the difficulty of brain tumor puncture biopsy, while shortening the biopsy time and improving the accuracy of the biopsy. However, during cranial puncture, due to the high hardness of the skull, the hardness and rigidity requirements of the drill are relatively high. At the same time, in order to facilitate force application, the hardness requirements of the handle are also high. Therefore, the handle is often made of a material with a relatively high hardness (such as metal), which will cause the handle to be relatively heavy. At this time, it is very easy to have a "top-heavy" situation, which will cause the puncture needle in the patient's brain to deviate or even cause a safety accident.

[0005] Therefore, there is an urgent need for a skull puncture device with better puncture effect and greater safety. Summary of the invention

[0006] The purpose of the present invention is to provide a human-machine dual-purpose skull puncture device with a detachable handle to improve the safety of skull puncture.

[0007] In order to solve the above-mentioned technical problems, the present invention specifically adopts the following technical solution: comprising a drilling sheath and a bone-breaking needle that cooperate with each other, and also comprising a handle, wherein:

[0008] The first end of the drilling sheath is serrated, the second end of the drilling sheath is provided with a first mounting seat, a groove is provided at the center of the first mounting seat, and a first clamping block is fixedly provided on the outer wall of the first mounting seat; the first end of the bone-breaking needle is pyramid-shaped, and the second end of the bone-breaking needle is provided with a second mounting seat that matches the groove;

[0009] The handle comprises a gripping handle, the bottom of the gripping handle extends axially to form a receiving cavity for receiving the first mounting seat and the second mounting seat, the side wall of the receiving cavity is provided with an elastic clip, the first end of the clip is provided with a limiting protrusion that can cooperate with the first end of the first clamping block;

[0010] When the second mounting seat is installed in the groove, the drilling sheath and the bone-breaking needle are combined to form a bone-breaking needle assembly; and the saw teeth at the first end of the drilling sheath and the pyramid tip at the first end of the bone-breaking needle together form a bone-breaking drilling structure;

[0011] When the second end of the bone-breaking needle assembly is gradually inserted into the accommodating cavity along the axial direction from the opening end of the accommodating cavity, the first clamping block pushes the clip in a direction away from the axial direction, so that the first end of the clip is deformed;

[0012] When the second end of the bone-breaking needle assembly contacts the bottom of the accommodating cavity, the clip is reset so that the limiting protrusion abuts against the first end of the first clamping block, so that the inner wall of the accommodating cavity and the limiting protrusion cooperate to form a clamping structure for clamping the first mounting seat, the second mounting seat and the first clamping block;

[0013] When an external force is applied to the first end of the clip to deform the first end of the clip in a direction away from the axial direction, the limiting protrusion disengages from the first end of the first clamping block, so that the first mounting seat and the second mounting seat can automatically disengage from the opening of the accommodating cavity.

[0014] As an improvement, a card slot is provided on the groove wall of the groove, and the card slot includes a first card slot extending in the axial direction, and a second card slot extending in the radial direction and connected to the first card slot; a buckle matching with the card slot is provided on the second mounting seat;

[0015] When the bone-breaking needle is axially inserted into the drilling sheath so that the second mounting seat cooperates with the first mounting seat, the buckle cooperates with the first slot. When the second mounting seat is rotated along the extension direction of the second slot, the buckle moves from the first slot to the second slot, thereby axially limiting the second mounting seat.

[0016] As an improvement, a second clamping block is arranged on the outer wall of the second mounting seat, and a second end of the first clamping block and a first end of the second clamping block are respectively provided with magnetic blocks that can attract each other;

[0017] When the first mounting seat and the second mounting seat are matched, the second clamping block rotates around the groove axis under the drive of the magnetic block and is finally on the same axis as the first clamping block, thereby driving the buckle to move from the first clamping slot to the second clamping slot.

[0018] As an improvement, the first end of the clip is provided with a handle facing the outside of the accommodating cavity, and the limiting protrusion is located at the connection between the handle and the clip.

[0019] As an improvement, the handle includes a first handle fixed on the clip, and a second handle fixed on the first handle, the acute angle between the extension line of the first handle and the axial direction is 30°-60°, and the acute angle between the extension line of the second handle and the axial direction is 20°-30°.

[0020] As an improvement, the width of the limiting protrusion gradually decreases from the second end to the first end to form a slope surface, so that when no external force acts on the handle, the opening size of the accommodating cavity gradually increases from the second end to the first end;

[0021] When the second end of the bone-breaking needle assembly is gradually inserted into the accommodating cavity along the axial direction from the opening end of the accommodating cavity, the first clamping block gradually slides along the slope surface and pushes the limiting protrusion outward in a direction away from the axis of the accommodating cavity, so that the clip is deformed;

[0022] When the second end of the bone-breaking needle assembly contacts the bottom of the accommodating cavity and the first end of the first clamping block slides over the slope surface, the clip is reset so that the limiting protrusion abuts against the first end of the first clamping block.

[0023] As an improvement, the acute angle between the extension line of the slope surface of the limiting protrusion and the extension line of the central axis of the accommodating cavity is 30°-60°.

[0024] As an improvement, it also includes a biopsy needle sheath and a biopsy needle, wherein the first end of the biopsy needle sheath is serrated, the first end of the biopsy needle is pyramidal, and the first mounting seat and the second mounting seat are respectively provided on the biopsy needle sheath and the second end of the biopsy needle;

[0025] When the biopsy needle sheath is combined with the biopsy needle to form a biopsy needle assembly, the serrations at the first end of the biopsy needle sheath and the pyramid tip at the first end of the biopsy needle together form a biopsy sampling structure for crushing target tissue for sampling.

[0026] As an improvement, it also includes an implantation needle sheath and a radioactive particle implantation needle, wherein the first ends of the implantation needle sheath and the radioactive particle implantation needle are respectively inclined to form a tip, and the second ends of the implantation needle sheath and the radioactive particle implantation needle are respectively provided with the first mounting seat and the second mounting seat; the acute angle between the inclined extension line of the tip and the extension direction of the needle tube of the radioactive particle implantation needle is 20°-30°.

[0027] As an improvement, it further comprises a dosing needle, wherein the first end of the dosing needle is a closed end, at least one dosing hole is arranged on the side wall of the closed end, and the second end of the dosing needle is arranged with a third mounting seat.

[0028] The principles and beneficial effects of the present invention are:

[0029] Existing bone-breaking devices usually use a single serrated structure for bone breaking (for example, the invention patent with publication number CN117442251A, in which the end of the outer sheath of the skull drilling hole is straight cylindrical, and the bone-breaking needle inside it adopts a single toothed tip design). When using a bone-breaking device with this structure for bone breaking, the stress of the bone-breaking needle is relatively concentrated, and the bone-breaking needle is easily inserted into the skull and stuck, and even causes skull fractures. At the same time, the skull fragments generated during bone breaking are relatively large, so the overall bone-breaking effect needs to be improved.

[0030] On the other hand, as surgical robots become more and more mature, in addition to facilitating manual operation, it is also necessary to consider how the puncture device cooperates with the surgical robot's execution end. That is, there is an urgent need for a new set of skull puncture devices that cannot be operated manually but can be used in conjunction with surgical robots.

[0031] The skull puncture device in the present scheme provides a serrated structure at the first end of the drilling sheath and designs a pyramidal structure for the bone-breaking needle. The serrated and pyramidal structures can disperse the stress during bone breaking, produce smaller skull fragments, and effectively reduce the possibility of skull fracture, thereby making bone breaking easier and more efficient.

[0032] At the same time, in this solution, by providing a mounting base with a card block and a detachable handle, the handle can be removed in time when it is not needed to prevent the handle from affecting subsequent operations; at the same time, when a machine (such as a medical robot) is operating, the handle can be removed, and the various components can be matched with the robot through the mounting base (specifically, a accommodating cavity and a clip that are the same or similar to the handle can be provided in the robot's execution end, so that during installation, the clip can be pushed open by the card block, so that the bone-breaking needle assembly or other components with a card block structure can enter the accommodating cavity through the opening of the accommodating cavity, and when the top of the bone-breaking needle assembly contacts the bottom of the accommodating cavity, the clip automatically resets and cooperates with the accommodating cavity to lock the assembly; accordingly, during disassembly, the handle is pulled to move the clip away from the accommodating cavity to expose the opening, and then the mounting block can be pulled out of the accommodating cavity; of course, the execution end of the surgical robot can also adopt other locking structures, as long as it can cooperate with the card block and then drive the corresponding components to operate), thereby realizing dual-purpose use of man and machine.

[0033] Furthermore, the handle has a one-touch snap-on structure (during installation, the clip is pushed open by the card block, so that the bone-breaking needle assembly or other components with a card block structure can enter the accommodating cavity through the opening of the accommodating cavity. When the top of the bone-breaking needle assembly contacts the bottom of the accommodating cavity, the clip automatically resets and cooperates with the accommodating cavity to lock the assembly; accordingly, during disassembly, the handle is pulled to move the clip away from the accommodating cavity to expose the opening, and then the installation block is pulled out of the accommodating cavity). The installation and disassembly process is simple and convenient, saving time and effort.

[0034] In summary, this solution comprehensively provides a skull puncture device with a detachable handle that has a simple structure, is easy to operate, and has a good bone-breaking effect and can be used by both robots and humans. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale. Obviously, the drawings described below are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without paying creative labor.

[0036] Figure 1a It is a schematic diagram of the overall structure of a bone-breaking needle according to an exemplary embodiment of the present invention;

[0037] Figure 1b It is a schematic diagram of the overall structure of a biopsy needle assembly according to an exemplary embodiment of the present invention;

[0038] Figure 1cIt is a schematic diagram of the overall structure of a radioactive seed implantation needle assembly according to an exemplary embodiment of the present invention;

[0039] Figure 1d It is a schematic diagram of the overall structure of a drug delivery needle according to an exemplary embodiment of the present invention;

[0040] Figure 2a It is a schematic structural diagram of a pyramid-shaped tip of a bone-breaking needle and a biopsy needle according to an exemplary embodiment of the present invention;

[0041] Figure 2b A schematic structural diagram of a serrated tip of a biopsy sheath according to an exemplary embodiment of the present invention;

[0042] Figure 2c A schematic structural diagram of a serrated tip of an osteoclast sheath according to an exemplary embodiment of the present invention;

[0043] Figure 2d It is a schematic structural diagram of the closed end of a drug delivery needle according to an exemplary embodiment of the present invention;

[0044] Figure 2e It is a schematic structural diagram of an inclined tip of a radioactive seed implantation needle according to an exemplary embodiment of the present invention;

[0045] Figure 3a It is a schematic diagram of the overall structure of the bone-breaking needle assembly and the handle after they are matched in an exemplary embodiment of the present invention;

[0046] Figure 3b is a cross-sectional view of a bone-breaking needle assembly after being matched with a handle in an exemplary embodiment of the present invention;

[0047] Figure 4 for Figure 3a A schematic diagram of the partial three-dimensional structure of the middle handle portion;

[0048] Figure 5a for Figure 4 An exploded view of the structure shown after sectioning;

[0049] Figure 5b for Figure 4 An exploded view of the structure shown at another angle after the cross-section;

[0050] Figure 6a A state diagram of a first mounting seat and a second mounting seat before being combined according to an exemplary embodiment of the present invention;

[0051] Figure 6b A state diagram of a first mounting seat and a second mounting seat in combination according to an exemplary embodiment of the present invention;

[0052] Figure 6c A state diagram of a first mounting seat and a second mounting seat after being combined according to an exemplary embodiment of the present invention;

[0053] Figure 7a A state diagram of a drilling sheath, a biopsy sheath and a biopsy needle before they are assembled in an exemplary embodiment of the present invention;

[0054] Figure 7b FIG. 1 is a diagram showing a state after the drilling sheath, the biopsy sheath and the biopsy needle are combined in an exemplary embodiment of the present invention.

[0055] Markings in the figure: 1. Drilling sheath; 2. Bone-breaking needle; 3. Biopsy needle sheath; 4. Biopsy needle; 5. Radioactive particle implantation needle; 51. Tip; 6. Drug delivery needle; 61. Closed end; 62. Drug delivery hole; 7. First mounting seat; 71. Groove; 72. First clamping block; 73. Slot; 731. First slot; 732. Second slot; 8. Second mounting seat; 81. Second clamping block; 82. Buckle; 9. Handle; 91. Holding handle; 92. Accommodating cavity; 93. Clip; 931. Handle; 94. Limiting protrusion; 10. Magnetic block; 11. Sawtooth; 12. Bone-breaking needle assembly; 13. Biopsy needle assembly; 14. Radioactive particle implantation needle assembly. DETAILED DESCRIPTION

[0056] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0057] Herein, suffixes such as "module", "component" or "unit" used to represent elements are only used to facilitate the description of the present invention, and have no specific meanings by themselves. Therefore, "module", "component" or "unit" can be used mixedly.

[0058] In this document, the terms "upper", "lower", "inner", "outer", "front", "back", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0059] In this document, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0060] Herein "and / or" includes any and all combinations of one or more of the associated listed items.

[0061] Herein, "plurality" means two or more than two, ie, it includes two, three, four, five, etc.

[0062] The embodiment is basically as shown in Figure 1- Figure 7b As shown:

[0063] The present invention provides a human-machine dual-purpose skull puncture device with a detachable handle, comprising a drilling sheath and a bone-breaking needle that cooperate with each other. The drilling sheath comprises a first outer sheath tube, and correspondingly, the bone-breaking needle comprises a bone-breaking needle core that can penetrate the first outer sheath tube and is hollow inside, and the length of the bone-breaking needle core is close to the length of the first outer sheath tube.

[0064] The first ends of the first outer sheath and the bone-breaking needle core are serrated and pyramidal, respectively; when the bone-breaking needle core is inserted into the first outer sheath so that the drilling outer sheath and the bone-breaking needle cooperate to form a bone-breaking needle assembly, the first ends of the two are close to each other, and the serrations at the first end of the drilling outer sheath and the pyramidal tip at the first end of the bone-breaking needle jointly form a bone-breaking drilling structure, and the two can simultaneously break bones, and the pyramidal tip and multiple tooth-like structures act on the patient's skull at the same time, so that the stress is relatively dispersed, which effectively reduces the situation where skull fractures or the tip of the bone-breaking device is stuck in the skull. At the same time, multiple tooth-like structures jointly break bones, which can cause the skull to be crushed into smaller fragments, thereby improving the bone-breaking efficiency.

[0065] The first outer sheath and the second end of the bone-breaking needle core are respectively installed with a first mounting seat and a second mounting seat, and the specific structures of the two mounting seats are as shown in Figure 6a-6c As shown:

[0066] A groove 71 is provided at the center of the first mounting seat, and a first clamping block 72 is fixedly provided on the outer wall of the first mounting seat.

[0067] In some embodiments, the second mounting seat can be just inserted into the groove, and the top of the second mounting seat is flush with the top of the first mounting seat, that is, the height of the second mounting seat is consistent with the height of the groove, so that when the second mounting seat is installed in the groove of the first mounting seat, the drilling sheath and the bone breaking needle are combined into a bone breaking needle assembly.

[0068] In some embodiments, a card slot 73 is provided on the groove wall of the groove 71, and the card slot 73 includes a first card slot 731 extending axially, and a second card slot 732 extending radially and connected to the first card slot 731, and a buckle 82 cooperating with the card slot is provided on the outer wall of the second mounting seat.

[0069] Taking the bone-breaking needle assembly as an example, when the bone-breaking needle is axially inserted into the drilling sheath so that the second mounting seat cooperates with the first mounting seat, the buckle 82 cooperates with the first slot 731. When the second mounting seat is rotated along the extension direction of the second slot 731, the buckle moves from the first slot 731 to the second slot 732, thereby axially limiting the second mounting seat.

[0070] Through the cooperation of the buckle 82 and the slot 73, the first mounting seat and the second mounting seat can be more firmly combined, thereby preventing the axial relative displacement of the drilling sheath and the bone-breaking needle during the operation to a certain extent.

[0071] In some embodiments, a second clamping block 81 is provided on the outer wall of the second mounting block, and the second end of the first clamping block 72 and the first end of the second clamping block 81 are respectively provided with magnetic blocks 10 that can attract each other; when the first mounting seat and the second mounting seat are matched, the second clamping block and the first clamping block are on the same axis.

[0072] After the buckle 82 is inserted into the first slot 731, the magnetic blocks 10 on the first block 72 and the second block 81 are close to each other to generate magnetic attraction, and the first mounting seat and the second mounting seat can rotate relative to each other under the action of the magnetic force, and finally the two magnetic blocks 10 are adsorbed together, so that the buckle 82 enters the second slot 732 and is clamped. This process does not require manual rotation of the two mounting seats, or only requires manual application of a small force, which saves time and effort, is convenient and fast; and also makes the combination of the two mounting seats more firmly. At the same time, it also ensures the consistency of the force between the outer sheath in the handle and the needle during specific operations.

[0073] Furthermore, the second mounting seat can be divided into a first seat body that cooperates with the groove and a second seat body fixed on the top of the first seat body, the second clamping block is arranged on the side wall of the second seat body, and the buckle is arranged on the side wall of the first seat body.

[0074] like Figure 3a-Figure 5b As shown, the device also includes a handle 9, which includes a gripping handle 91. The bottom of the gripping handle 91 extends axially to form a receiving cavity 92 for accommodating the first mounting seat and the second mounting seat. The side wall of the receiving cavity 92 is provided with an elastic clip, and the first end of the clip 93 is provided with a limiting protrusion 94 that cooperates with the first end of the first clamping block.

[0075] like Figure 3b As shown, when the handle is installed on the bone-breaking needle assembly, the top of the second seat body fits with the bottom of the accommodating cavity, the side walls of the first mounting seat 7 and the side walls of the second seat body fit with the side walls of the accommodating cavity respectively, and at the same time, the limiting protrusion 94 abuts against the first end of the first clamping block, and the cavity wall of the accommodating cavity, the clip 93 and the limiting protrusion 94 together form a clamping structure for clamping the first mounting seat 7, the second mounting seat 8 and the first clamping block; so that the first mounting seat 7, the second mounting seat 8 and the handle are relatively fixed.

[0076] In some embodiments, the width of the limiting protrusion 94 gradually decreases from the second end to the first end to form a slope surface, so that when no external force acts on the handle, the opening size of the accommodating cavity gradually increases from the second end to the first end. Therefore, when the bone-breaking needle assembly is inserted into the accommodating cavity, the second end of the bone-breaking needle assembly can open the clip 93 along the slope of the limiting protrusion 94 without manual assistance, making the operation more convenient and quick.

[0077] In some embodiments, the acute angle between the extension line of the slope surface of the limiting protrusion 94 and the extension line of the central axis of the accommodating cavity is 30°-60° (preferably 45°).

[0078] In some embodiments, a handle is disposed at the first end of the clip 93 facing the outside of the accommodating cavity, and the limiting protrusion 94 is located at the connection between the handle and the clip 93, so that the operator can save effort when prying the clip 93 apart.

[0079] In some embodiments, the handle includes a first handle fixed on the clip, and a second handle fixed on the first handle. The acute angle between the extension line of the first handle and the axial direction is 30°-60° (preferably 45°), and the acute angle between the extension line of the second handle and the axial direction is 20°-30° (preferably 25°). By setting two sub-handles with different angles, the operator can save more effort during operation.

[0080] In some embodiments, in order to ensure the stability of the entire device and the coordination of operation, two first clamping blocks are provided and are symmetrical about the central axis of the first mounting seat; correspondingly, two second clamping blocks are provided and are symmetrical about the central axis of the second mounting seat; two clips and two handles are provided respectively and are symmetrical about the central axis of the accommodating cavity. Of course, the number of the above structures can also be adaptively adjusted according to actual needs.

[0081] The specific steps for installing the handle onto the bone needle assembly are as follows:

[0082] The second end of the bone-breaking needle assembly (i.e., the end with the mounting seat) is gradually axially introduced into the interior of the accommodating cavity from the open end of the accommodating cavity. At this time, due to the inclined surface structure of the limiting protrusion, the top of the block moves along the slope toward the interior of the accommodating cavity, pushing the clip in the axial direction. At this time, the opening is enlarged so that the mounting seat as a whole can enter the accommodating cavity. When the second end of the bone-breaking needle assembly contacts the bottom of the accommodating cavity, the clip is reset so that the limiting protrusion abuts against the bottom of the block. The inner wall of the accommodating cavity and the limiting protrusion cooperate to form a clamping structure for clamping the first mounting seat, the second mounting seat and the block, so that the bone-breaking needle assembly is relatively fixed to the handle.

[0083] In other embodiments, the present invention also provides another skull puncture device, which includes the above-mentioned components and also includes a biopsy sheath and a biopsy needle, wherein the biopsy sheath includes a second outer sheath tube, the first end of which is serrated, and correspondingly, the biopsy needle includes a biopsy needle core that can penetrate the second outer sheath tube and is hollow inside, and the first end of the biopsy needle core is pyramidal; at the same time, the biopsy needle sheath and the second end of the biopsy needle are respectively provided with the first mounting seat and the second mounting seat; wherein, the pyramidal biopsy needle core can easily destroy part of the tumor tissue in the patient's skull when rotating, and take it out of the patient's brain to obtain biopsy tissue, and the serrated outer sheath tube can play a certain auxiliary role.

[0084] like Figure 1b As shown, when the first mounting seat and the second mounting seat are combined, the biopsy needle sheath and the biopsy needle are combined to form a biopsy needle assembly 13, and the serrations at the first end of the biopsy needle sheath and the pyramidal tip at the first end of the biopsy needle together form a biopsy sampling structure for crushing tumor tissue and taking samples.

[0085] In other embodiments, the present invention also provides another skull puncture device, which includes the above-mentioned components, and also includes an implant needle outer sheath and a hollow radioactive particle implant needle, the implant needle outer sheath includes a third outer sheath tube, the radioactive particle implant needle includes a radioactive particle implant needle tube that can penetrate the third outer sheath tube, and the radioactive particle implant needle tube is provided with a radioactive particle channel for the radiation source to pass through, and the first ends of the third outer sheath tube and the radioactive particle implant needle tube are respectively arranged to be oblique (i.e., pointed ends), and the second ends are respectively provided with a first mounting seat and a second mounting seat.

[0086] like Figure 1c As shown, when the first mounting seat and the second mounting seat are combined, the implant needle sheath and the radioactive seed implant needle are combined to form a radioactive seed implant needle assembly 14, and the implant needle sheath and the tip of the radioactive seed implant needle are combined to form a sharp needle tip.

[0087] In some embodiments, Figure 2e The acute angle between the tip 51 and the extension direction of the needle tube of the radioactive seed implantation needle 5 is 20°-30° (preferably 25°).

[0088] In some embodiments, in order to prevent the tip 51 of the radioactive seed implantation needle 5 from stabbing the patient, the first end of the tip 51 smoothly transitions to form a blunt end.

[0089] In other embodiments, the present invention also provides another skull puncture device, which includes the above-mentioned components and also includes a drug delivery needle 6, such as Figure 1d , Figure 2d The dosing needle 6 comprises a hollow dosing needle tube that can penetrate the first outer sheath tube, the first end of the dosing needle tube is a closed end 61, the side wall of the closed end 61 is provided with at least one dosing hole 62 for the drug to pass through, and the second end is provided with a third mounting seat.

[0090] In some embodiments, in order to prevent the drug delivery needle from piercing the patient's brain tissue, the closed end is configured to be a smooth arc shape.

[0091] In some embodiments, the at least one drug administration hole 62 includes a plurality of drug administration holes 62 circumferentially arranged along the side wall of the drug administration needle.

[0092] It should be noted that the first mounting seat mentioned above can adopt the same structure, and correspondingly, the second mounting seat can also adopt the same structure, that is, the combination of the biopsy needle assembly, the radioactive particle implantation needle assembly and the bone-breaking needle assembly can be the same; and since the drug delivery needle does not need to be fixed with the outer sheath, the third mounting seat can adopt the same or similar design as the first mounting seat or the second mounting seat, and it is only necessary to ensure that a block is provided on the side wall of the third mounting seat so that it can cooperate with the handle.

[0093] For example, the third mounting seat includes a third seat body, and a third clamping block is arranged on the side wall of the third seat body. When the second end of the drug-delivering needle gradually enters the interior of the accommodating cavity along the axial direction from the opening end of the accommodating cavity, the third clamping block pushes the clip along the direction away from the axial direction, so that the first end of the clip is deformed; when the second end of the drug-delivering needle contacts the bottom of the accommodating cavity, the clip is reset so that the limiting protrusion abuts against the first end of the third clamping block, so that the inner wall of the accommodating cavity and the limiting protrusion cooperate to form a clamping structure for clamping the third mounting seat and the third clamping block.

[0094] When the medication needle is matched with the handle, a mounting block can be installed on the third mounting seat in advance, so that the size of the third mounting seat matches the size of the handle receiving cavity. Of course, the height of the third mounting seat can also be increased to match the height of the handle receiving cavity, and the mounting block does not need to be set.

[0095] In some embodiments, in order to facilitate the delivery of drugs to the patient's brain lesion site through the radioactive particle implantation needle assembly or the drug administration needle assembly, a first through hole is provided at the center position of the second mounting seat, and a second through hole matching the first through hole is provided on the handle. When in use, the radiation source or other drugs can be delivered to the lesion site through the second through hole, the second through hole, the radioactive particle implantation needle tube or the drug administration needle tube in sequence for treatment.

[0096] In some embodiments, Figure 2a The above-mentioned pyramid shape can be a triangular pyramid or a quadrangular pyramid.

[0097] In some embodiments, for example Figure 2b and Figure 2c Two examples of serrated tips are provided, and the serrated tips of the drilling sheath and the biopsy sheath are composed of at least three triangular serrations 11 (preferably three) arranged in a direction extending from the second end to the first end with at least three tips. Of course, the number of teeth on the serrated tips of the drilling sheath and the biopsy sheath may be different.

[0098] In some embodiments, the length of the biopsy sheath and the biopsy needle are basically the same, the length of the implant needle sheath and the radioactive particle implant needle are basically the same, and the length of the osteoclast sheath and the osteoclast needle are basically the same; further, the lengths of the biopsy needle assembly, the radioactive particle implant needle assembly and the drug delivery needle are basically the same.

[0099] In some embodiments, the length of the bone-breaking needle assembly is 5 cm, and the lengths of the biopsy needle assembly, the radioactive particle implantation needle assembly and the drug administration needle are all 15 cm. Of course, the lengths of the biopsy needle assembly, the radioactive particle implantation needle assembly and the drug administration needle can also be set to different lengths, for example, 10 cm, 18 cm, 20 cm.

[0100] In some embodiments, the diameter of the hollow bone-breaking needle can be set to a variety of specifications according to actual needs, preferably 16g.

[0101] In some embodiments, the diameter of the hollow biopsy needle, radioactive particle implantation needle, and drug administration needle is 20 g. Of course, various specifications can be set according to actual needs.

[0102] During the operation, taking manual operation as an example, the bone-breaking needle is first combined with the drilling sheath, and then the handle is installed to break the bone in the patient's brain and the front end of the sheath is inserted into the patient's skull. Then the handle is removed and the bone-breaking needle is taken out of the drilling sheath. At this time, the first sheath establishes a passage to the inside of the skull;

[0103] When sampling is required, a handle is installed on the biopsy needle assembly, and then the biopsy needle assembly is inserted into the first outer sheath tube for operation. During the operation, the biopsy needle assembly can move up and down relative to the drilling outer sheath. After the sampling is completed, the biopsy needle assembly and the drilling outer sheath are taken out of the patient's brain in turn.

[0104] Similarly, when a radioactive source (such as iodine-125 radioactive particles) needs to be implanted into the patient's brain, a handle is installed on the radioactive particle implantation needle assembly, and then the radioactive particle implantation needle assembly is inserted into the first outer sheath tube for operation. During the operation, the radioactive particle implantation needle assembly can move up and down relative to the drilling outer sheath. Each time a radioactive source is implanted, the radioactive particle implantation needle assembly is withdrawn a little until the radioactive source is implanted. The radioactive particle implantation needle assembly and the drilling outer sheath are then removed from the patient's brain in turn.

[0105] Similarly, when it is necessary to place the drug into the patient's brain, a handle is installed on the drug administration needle, and then the drug administration needle is inserted into the first outer sheath for operation. During the operation, the drug administration needle can move up and down relative to the drilling outer sheath. After the drug administration is completed, the drug administration needle and the drilling outer sheath can be removed from the patient's brain in turn.

[0106] The above-mentioned usage process is a manual operation process. Since the handle in this solution is detachable, it can of course also be applied to surgical robot operations (the component is combined with the execution end of the surgical robot through the mounting seat). The other steps of the machine operation are basically the same as the above steps.

[0107] In summary, this solution comprehensively provides a skull puncture device with a detachable handle that has a simple structure, is easy to operate, and has a good bone-breaking effect, and can be used by both robots and humans. At the same time, in this solution, the entire surgical operation process can be completed with one handle, and there is no need to install handles on each component separately. It has the characteristics of simple structure and easy operation.

[0108] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0109] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation modes, which are merely illustrative rather than restrictive. Under the guidance of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the present invention and the claims, all of which are within the protection of the present invention.

Claims

1. A human-machine dual-purpose skull puncture device with a detachable handle, comprising a drilling sheath and a bone-breaking needle that cooperate with each other, characterized in that: Also included is a handle, wherein: The first end of the drilling sheath is serrated, the second end of the drilling sheath is provided with a first mounting seat, a groove is provided at the center of the first mounting seat, and a first clamping block is fixedly provided on the outer wall of the first mounting seat; the first end of the bone-breaking needle is pyramid-shaped, and the second end of the bone-breaking needle is provided with a second mounting seat that matches the groove; The handle comprises a gripping handle, the bottom of the gripping handle extends axially to form a receiving cavity for receiving the first mounting seat and the second mounting seat, the side wall of the receiving cavity is provided with an elastic clip, the first end of the clip is provided with a limiting protrusion that can cooperate with the first end of the first clamping block; When the second mounting seat is installed in the groove, the drilling sheath and the bone-breaking needle are combined to form a bone-breaking needle assembly; and the saw teeth at the first end of the drilling sheath and the pyramid tip at the first end of the bone-breaking needle together form a bone-breaking drilling structure; When the second end of the bone-breaking needle assembly is gradually inserted into the accommodating cavity along the axial direction from the opening end of the accommodating cavity, the first clamping block pushes the clip in a direction away from the axial direction, so that the first end of the clip is deformed; When the second end of the bone-breaking needle assembly contacts the bottom of the accommodating cavity, the clip is reset so that the limiting protrusion abuts against the first end of the first clamping block, so that the inner wall of the accommodating cavity and the limiting protrusion cooperate to form a clamping structure for clamping the first mounting seat, the second mounting seat and the first clamping block; When an external force is applied to the first end of the clip, causing the first end of the clip to deform in a direction away from the axial direction, the limiting protrusion is separated from the first end of the first clamping block, so that the first mounting seat and the second mounting seat can be automatically separated from the opening of the accommodating cavity; A card slot is provided on the groove wall of the groove, and the card slot includes a first card slot extending in the axial direction, and a second card slot extending in the radial direction and connected to the first card slot; a buckle matching with the card slot is provided on the second mounting seat; When the bone-breaking needle is inserted into the drilling sheath axially so that the second mounting seat cooperates with the first mounting seat, the buckle cooperates with the first slot, and when the second mounting seat is rotated along the extension direction of the second slot, the buckle moves from the first slot to the second slot, thereby axially limiting the second mounting seat; A second clamping block is arranged on the outer wall of the second mounting seat, wherein the second mounting seat can be divided into a first seat body cooperating with the groove and a second seat body fixed on the top of the first seat body, the second clamping block is arranged on the side wall of the second seat body, and the buckle is arranged on the side wall of the first seat body.

2. A human-machine dual-purpose skull puncture device with a detachable handle according to claim 1, characterized in that: The second end of the first card block and the first end of the second card block are respectively provided with magnetic blocks that can attract each other; When the first mounting seat and the second mounting seat are matched, the second clamping block rotates around the groove axis under the drive of the magnetic block and is finally on the same axis as the first clamping block, thereby driving the buckle to move from the first clamping slot to the second clamping slot.

3. A human-machine dual-purpose skull puncture device with a detachable handle according to claim 1, characterized in that: A handle facing the outside of the accommodating cavity is disposed at the first end of the clip, and the limiting protrusion is located at the connection between the handle and the clip.

4. A human-machine dual-purpose skull puncture device with a detachable handle according to claim 3, characterized in that: The handle includes a first handle fixed on the clip, and a second handle fixed on the first handle. The acute angle between the extension line of the first handle and the axial direction is 30°-60°, and the acute angle between the extension line of the second handle and the axial direction is 20°-30°.

5. The human-machine dual-purpose skull puncture device with a detachable handle according to claim 1, characterized in that: The width of the limiting protrusion gradually decreases from the second end to the first end to form a slope surface, so that when no external force acts on the handle, the opening size of the accommodating cavity gradually increases from the second end to the first end; When the second end of the bone-breaking needle assembly is gradually inserted into the accommodating cavity along the axial direction from the opening end of the accommodating cavity, the first clamping block gradually slides along the slope surface and pushes the limiting protrusion outward in a direction away from the axis of the accommodating cavity, so that the clip is deformed; When the second end of the bone-breaking needle assembly contacts the bottom of the accommodating cavity and the first end of the first clamping block slides over the slope surface, the clip is reset so that the limiting protrusion abuts against the first end of the first clamping block.

6. A human-machine dual-purpose skull puncture device with a detachable handle according to claim 5, characterized in that: The acute angle between the extension line of the slope surface of the limiting protrusion and the extension line of the central axis of the accommodating cavity is 30°-60°.

7. The human-machine dual-purpose skull puncture device with a detachable handle according to claim 1, characterized in that: It also includes a biopsy needle sheath and a biopsy needle, wherein the first end of the biopsy needle sheath is serrated, the first end of the biopsy needle is pyramidal, and the second ends of the biopsy needle sheath and the biopsy needle are respectively provided with the first mounting seat and the second mounting seat; when the biopsy needle sheath and the biopsy needle are combined to form a biopsy needle assembly, the serrations at the first end of the biopsy needle sheath and the pyramidal tip at the first end of the biopsy needle jointly form a biopsy sampling structure for crushing target tissue for sampling.

8. The human-machine dual-purpose skull puncture device with a detachable handle according to claim 1, characterized in that: It also includes an implantation needle sheath and a radioactive particle implantation needle, wherein the first ends of the implantation needle sheath and the radioactive particle implantation needle are respectively inclined to form a tip, and the second ends of the implantation needle sheath and the radioactive particle implantation needle are respectively provided with the first mounting seat and the second mounting seat; the acute angle between the inclined extension line of the tip and the extension direction of the needle tube of the radioactive particle implantation needle is 20°-30°.

9. The human-machine dual-purpose skull puncture device with a detachable handle according to claim 1, characterized in that: It also includes a drug administration needle, wherein the first end of the drug administration needle is a closed end, at least one drug administration hole is arranged on the side wall of the closed end, and the second end of the drug administration needle is arranged with a third mounting seat.

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