CN113425343B - Neural scope stereotactic surgery auxiliary channel equipment - Google Patents
Neural scope stereotactic surgery auxiliary channel equipment Download PDFInfo
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- CN113425343B CN113425343B CN202110752916.2A CN202110752916A CN113425343B CN 113425343 B CN113425343 B CN 113425343B CN 202110752916 A CN202110752916 A CN 202110752916A CN 113425343 B CN113425343 B CN 113425343B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3478—Endoscopic needles, e.g. for infusion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/0034—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means adapted to be inserted through a working channel of an endoscope
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/007—Auxiliary appliance with irrigation system
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Abstract
The invention belongs to the technical field of neuroendoscopy auxiliary equipment, and particularly relates to neuroendoscopy stereotactic surgery auxiliary channel equipment which comprises a channel pipe, a limiting plate, a separation unit and a flushing unit, wherein the limiting plate is of an annular structure and is fixedly connected to the end part of the channel pipe; the invention ensures that a stable working channel is established between the surface layer of the minimally invasive opening and the patient part to be treated in the patient body through the action of the channel tube, and the inner part of the channel tube is divided into a plurality of sub-channels which are not interfered with each other through the partition plates which are uniformly arranged on the side walls of the rotating shafts which are nested on the fixing rings, so that a neuroendoscope and other surgical instruments can simultaneously extend into the inner part of the channel tube along different sub-channels and treat the patient part, and different surgical instruments which act simultaneously are not interfered with each other, thereby ensuring the smooth proceeding of the treatment process.
Description
Technical Field
The invention belongs to the technical field of neuroendoscopy auxiliary equipment, and particularly relates to neuroendoscopy three-dimensional directional operation auxiliary channel equipment.
Background
The stereotactic operation is one of the important diagnosis and treatment means of the minimally invasive neurosurgery, and is characterized in that the imaging positioning and the orientation instrument are used for guiding, and micro-instruments such as a microelectrode, a puncture needle, a biopsy needle and the like are placed into a specific target spot in the brain; the diseases of the central nervous system can be diagnosed and treated by methods of electrophysiological recording, tissue specimen retention, lesion generation or lesion removal, and the like. In the process of stereotactic operation, mainly using neuroendoscopy equipment to carry out positioning and directionally carrying out accurate treatment on the diseased part of a patient. Compared with the conventional neurosurgery operation, the neuroendoscopy operation has the characteristics of small wound, less bleeding, light postoperative reaction, short hospitalization time, quick recovery of patients, obvious improvement of prognosis and the like. The neuroendoscopy operation has the main advantages of small wound, long endoscope body and small cross section, is suitable for operation in narrow cavities and ducts, and can complete observation and excision of pathological changes only completed by opening a larger incision of a skull of a bone flap through natural cavities such as a nasal cavity and the like or a smaller incision, thereby achieving the purpose and the requirement of minimally invasive operation. Meanwhile, in order to further reduce the damage of the neuroendoscope to the human body, a working channel is often established at the minimally invasive hole pointing to the diseased part, so that the damage of the neuroendoscope and corresponding auxiliary surgical instruments to the human body when the diseased part of the patient is treated is further reduced, the neuroendoscope is ensured to be close to the diseased part of the patient along a stable moving track, and the accuracy of the operation is improved.
At present, hematoma removal operation under neuroendoscopy is the most main operation mode of cerebral hemorrhage minimally invasive operation, and has the advantages of small cortical fistulation, small damage to peripheral brain tissues of hematoma, large operation visual angle and the like. The hematoma clearance is being restricted to neural scope's passageway and hematoma's position, and therefore hematoma needs accurate location, and neural scope's passageway route needs careful planning before the art, consequently urgently needs to develop a neural scope stereotactic passageway, can carry out effective processing to hematoma position pinpointing.
Also appeared a patent among the prior art about a novel transparent visual neuroendoscopy working channel's technical scheme, chinese patent as application number CN2019224812042 discloses a novel transparent visual neuroendoscopy working channel, including the passageway body, still including being located the inside rotatable formula multichannel mechanism and the fixed establishment of passageway body, multichannel mechanism is including installing in the inside interior sleeve pipe of passageway body, the internally mounted of interior sleeve pipe has the cavity division board. The utility model discloses at the interior rotatable formula of working channel internal design sleeve pipe, set up the cavity division board in endotheca intraductal adding again, and the cavity division board can select suitable shape according to surgical instruments inserts the demand, thereby realize the different separation to the inner tube of inner tube, thereby can realize that a plurality of surgical instruments of construction insert the passageway in working channel, make things convenient for independent the inserting of surgical instruments, avoid mutual interference, and then solved surgical instruments and can touch the problem of having been stabilized neuroendoscope or other surgical instruments in the insertion process, interference in the operation process has further been reduced; however, the above patent still has a defect that when the partition board is fixed, the inner wall of the inner sleeve is uniformly provided with the clamping grooves, so that the clamping grooves are matched with the end parts of the partition board, and the partition board is fixed, so that when the end parts of the nerve inner tube and the surgical instrument extend into the gap cavity between the partition boards, the sharp end parts of the nerve inner tube and the surgical instrument may collide with the clamping grooves between the partition boards when contacting with the side walls of the inner sleeve, and the sharp end parts of the nerve inner tube and the surgical instrument are embedded into the clamping grooves, which may prevent the smooth movement of the nerve inner tube and the surgical instrument; so that the technical solution is limited.
In view of the above, the present invention provides an auxiliary channel device for a neuroendoscope stereotactic surgery to solve the above technical problems.
Disclosure of Invention
In order to make up the deficiency of the prior art, the problem that the normal embedding of the neuroendoscopy and the surgical instrument is easily influenced by the clamping groove on the inner wall of the existing working channel is solved, so that the treatment of the diseased part of the patient is influenced, and even the patient is injured greatly.
The technical scheme adopted by the invention for solving the technical problem is as follows: the neuroendoscopy stereotactic surgery auxiliary channel device comprises a channel tube, a limiting plate, a separation unit and a flushing unit, wherein the limiting plate is of an annular structure and is fixedly connected to the end part of the channel tube; a circular fixing block is arranged at the top of the rotating shaft, the cross-sectional area of the fixing block is smaller than that of the inner surface of the fixing ring, and a first convex block arranged on the lower surface of the fixing block is embedded into a fixing groove arranged on the upper surface of the fixing ring; the first connecting rod is made of iron, and the limiting rod is made of a magnet material; the rotating shaft is nested on the fixing ring, a plurality of partition plates are uniformly arranged on the outer surface of the rotating shaft, which is positioned in the channel pipe, and the end parts of the partition plates are in contact with the surface of the inner hole of the channel pipe; the washing unit is including annotating the liquid pipe, washing channel and washtrough, the inside cavity of pipe wall of passageway pipe forms the washtrough, install on the limiting plate lateral wall and annotate the liquid pipe, annotate the liquid pipe and communicate with each other with washtrough is inside, the position that the pipe wall internal surface of passageway pipe is close to the bottom evenly is equipped with a plurality of washtroughs, the washtrough communicates with each other with washtrough is inside.
When the neuroendoscopy is in work, when a three-dimensional directional operation is carried out to treat a hematoma part, in order to ensure that the neuroendoscopy can normally go deep into a human body along a minimally invasive hole drilled on the surface of the human body and reduce the damage to the side wall tissue of a minimally invasive opening of the human body in the extending process; the channel tube is stretched into the micro wound, and the limiting plate on the end part of the channel tube plays a role in limiting the opening of the micro wound opening, so that the channel tube is ensured to be stable in the placing process; through the action of the channel tube, a stable working channel is ensured to be established between the surface layer of the minimally invasive opening and a diseased part to be treated in a patient body, the neural endoscope and other surgical instruments can be ensured to smoothly extend into the diseased part and treat the diseased part, and the neural endoscope is limited by the side wall of the channel tube in the process of extending the end part of the neural endoscope, so that the injury to the internal tissues of the human body in the moving process can be fully reduced while the neural endoscope is close to the diseased part along a stable moving track; in addition, when a plurality of surgical instruments including a neuroendoscope need to be applied simultaneously in the treatment process, in order to ensure that the plurality of surgical instruments cannot be mutually blocked in the working process, before the channel is used, the first connecting rod is shifted to enable the first connecting rod to rotate along the fixed rod until the side face of the first connecting rod is contacted with the limiting rod, the first connecting rod is fixed due to the mutual attraction effect of the first connecting rod and the limiting rod, at the moment, the fixed ring at the end part of the first connecting rod moves to the middle part of the inner hole of the channel tube, and the partition plates which are uniformly arranged on the side walls of the rotating shaft which is nested on the fixed ring divide the interior of the channel tube into a plurality of sub-channels which are not interfered with each other; the fixing block at the end part of the rotating shaft is embedded into the fixing groove on the fixing ring through the first convex block, so that the rotating shaft is circumferentially positioned, and the phenomenon that the stability of the sub-channel is influenced due to the circumferential rotation of the rotating shaft in the treatment process is avoided; in addition, in the existing operation process, the existing neuroendoscopy hematoma removal operation adopts air as a medium, along with the removal of hematoma, the brain tissue collapses, the possibility of hematoma residue is high, and a bleeding point is covered along with the collapse of a brain group, so that the hemostasis is difficult, or the bleeding is caused after the operation by omission; consequently pour into cleaning fluid into in to washing the passageway through annotating the liquid pipe, cleaning fluid flows and flows from the washtrough in washing the passageway, the water column that flows out joins in 1cm department before the passageway pipe, and play the washing effect to the hematoma position, the high messenger of passageway pipe washes the effect and strengthens and make the hematoma position receive certain pressure, the problem that encephalic tissue subsides in the art is clear away to the hematoma has effectively been avoided, and the use liquid of innovation is the medium, the picture is more clear during making outside observation, be favorable to operating doctor to master the internal conditions.
Preferably, the partition plate comprises a movable partition plate and a fixed partition plate, the fixed partition plate is fixedly connected with the outer surface of the rotating shaft, a plurality of first grooves are uniformly formed in the joint part of the fixed partition plate and the rotating shaft, first rings are arranged on the movable partition plate, which is close to the corresponding first grooves, and the first rings penetrate through the first grooves and are nested in the rotating shaft part in the first grooves; the top of the movable partition plate is provided with a first plate, the first plate is L-shaped, one end of the first plate is fixedly connected with the top of the movable partition plate, and the other end of the first plate extends out of the inner hole of the channel pipe and is in close contact with the surface of the limiting plate; a position that a board tip is close to spacing board surface has linked firmly No. two lugs, no. two lugs are the magnet material, and spacing board surface and No. two corresponding positions of lug are iron.
When the device works, in the treatment process, after the diseased part of a patient is observed, the observation range is found to be insufficient, the channel dividing space where the neuroendoscope is located is small, and the neuroendoscope cannot move in a large range, so that the observation range of the neuroendoscope is enlarged; in the observation process, when the fact that the treatment of the diseased part needs a surgical instrument with a large volume is found, and the sub-channels distributed in the existing channel tube are not enough to extend into the surgical instrument with the large volume; pulling a number of board tip, make a number of board overcome the attraction between No. two lugs and the spacing board surface, the movable partition who corresponds simultaneously shifts up, a ring on the movable partition moves in a groove, rotate movable partition through a number of board afterwards, and a ring rotates in a groove, make the space of rotating the subchannel that a number of board corresponds obtain expanding, when the space expands the degree of adaptation, put down a number of board, a lug on a number of board again with limiting plate surface contact, and make a board and the movable partition that a number of board links to each other obtain fixing through magnetic attraction, guarantee that the subchannel that the space increases can stably ensure the normal work of neuroendoscopy or other surgical instruments.
Preferably, a plurality of second grooves are uniformly formed in the surface of the limiting plate corresponding to the end part of the first plate, second bumps are arranged at the end part of the first plate corresponding to the second grooves, and the second bumps are embedded into the corresponding second grooves; and the end part of the first plate is provided with a shifting block, and the end part of the shifting block extends out of the edge part of the limiting plate.
When the movable partition plate fixing device works, when the movable partition plate needs to be fixed, the first lug on the movable partition plate is embedded into the corresponding second groove, the second groove is positioned on the iron part on the limiting plate, and the first lug is made of a magnet material, so that the first lug is tightly combined with the limiting plate, and the corresponding movable partition plate is firmly fixed in the circumferential direction; when the sub-channel that corresponds at the floating partition board needs to carry out space adjustment, the manual limiting plate of operator is pressed on one hand, stir the shifting block on the board on the other hand for a lug on the board overcomes the magnetic attraction effect and breaks away from a groove, after the adjustment, the pulling shifting block with a lug inlay the groove that corresponds behind the adjustment position in, make a lug after the adjustment obtain fixed, guarantee that the sub-channel after the space adjustment remains stable, thereby guarantee going on smoothly of treatment.
Preferably, be equipped with a logical groove on the ring lateral wall No. one, the position that a ring lateral wall is close to a logical groove is the rubber material, and a logical groove lateral wall contacts each other.
When the medical treatment device works, before the rotating shaft is embedded into the fixing ring, firstly, the number of surgical instruments required in the treatment process is estimated, so that the number of the required movable partition plates is estimated, then, a selected first ring on the movable partition plates is close to a first groove on the rotating shaft, the rotating shaft is extruded at the position of a first through groove on the first ring, the position, close to the first through groove, on the first ring is made of rubber materials and deforms in the extrusion process, the first ring is smoothly embedded in the corresponding rotating shaft position on the first groove, and the position, close to the first through groove, of the first ring restores to deform under the elastic action, so that the first ring and the movable partition plates are limited; and because the end part of the movable partition plate is contacted with the inner wall of the channel pipe, the movable partition plate has small displacement deviating from the rotating shaft in the channel pipe, and the first ring is difficult to separate from the rotating shaft in the channel pipe.
Preferably, the first connecting rod and the fixed partition plate are superposed on the same plane, and the width of the first connecting rod is smaller than the thickness of the fixed partition plate.
When the device works, the first connecting rod and the fixed partition plate are positioned on the same plane, so that the first connecting rod and the fixed partition plate jointly play a role of dividing the space inside the channel tube into a plurality of sub-channels, and the first connecting rod is prevented from being positioned between the movable partition plate and the fixed partition plate, so that the neuroendoscope and surgical instruments are prevented from being smoothly stretched into the sub-channels; and the fixed partition plate is fixedly connected with the rotating shaft, no matter how the position of the movable partition plate is adjusted, the space of the sub-channel is changed, the first connecting rod is always superposed with the fixed partition plate, and the function of separating the fixed partition plate from the corresponding sub-channel is exerted.
Preferably, the fixing groove is a through groove, and two ends of the fixing groove are both conical; the fixed ring is made of rubber.
When the fixing device works, because both ends of the fixing groove are conical, when the fixing block is combined with the fixing groove, the first convex block on the fixing block can be smoothly embedded into the fixing groove through the conical part of the fixing groove, and the smooth limiting effect of the fixing groove on the fixing block and a connected rotating shaft is ensured; and when dismantling the pivot, rotate the fixed block for a lug plays the squeezing action to the fixed slot lateral wall, thereby makes solid fixed ring warp, and the clearance between the fixed slot increases, rotates the connecting rod No. afterwards, makes a connecting rod drive solid fixed ring and breaks away from the fixed block, takes out the fixed block together with pivot and baffle afterwards, thereby has accomplished the demolition to separating element, makes the demolition of separating element more smooth.
Preferably, the outer surface of the passage pipe close to the end part far away from the limit plate is arc-shaped and is bent towards the direction close to the central axis of the inner hole of the passage pipe.
When the operation, because the position that the inside brain tissue contacted with the inside human body that stretches into at first of passageway pipe surface is the arc to arc position and the smooth transition of passageway inside pipe wall do not influence the passing through of treatment surgical instruments, consequently reduced the passageway pipe and stretched into the in-process to the stimulation effect of human tissue, make stretching into of passageway pipe more steady, reduced the injury to the human brain tissue more, make the operation process safer.
The invention has the following beneficial effects:
1. according to the auxiliary channel equipment for the neuroendoscope three-dimensional directional operation, a stable working channel is ensured to be established between a minimally invasive oral surface layer and a patient part needing to be treated in a patient body under the action of the channel tube, the interior of the channel tube is divided into a plurality of sub-channels which are not interfered with each other through the partition plates which are uniformly arranged on the side wall of the rotating shaft nested on the fixing ring, so that the neuroendoscope and other operation instruments can simultaneously extend into the channel tube along different sub-channels and treat the patient part, different operation instruments which act simultaneously are not interfered with each other, and the smooth proceeding of a treatment process is ensured.
2. According to the auxiliary channel equipment for the neuroendoscopy stereotactic surgery, the flushing unit is arranged, the liquid injection pipe is communicated to inject the cleaning liquid into the flushing channel, the cleaning liquid flows in the flushing channel and flows out of the flushing groove, the water columns flowing out are converged at the position 1cm in front of the channel pipe and have a flushing effect on a hematoma part, the height of the channel pipe enables the flushing effect to be strengthened and enables the hematoma part to be subjected to certain pressure, the problem of brain tissue collapse in a hematoma removal operation is effectively avoided, the novel liquid is used as a medium, the picture is clearer when the external observation is carried out, and the operation doctor can master the internal condition conveniently.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view from another perspective of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is a perspective view of a partition unit in the present invention;
FIG. 5 is a partial enlarged view at B in FIG. 4;
in the figure: the device comprises a channel pipe 1, a limiting plate 2, a second groove 21, a separation unit 3, a rotating shaft 31, a fixing block 311, a first convex block 312, a fixing ring 32, a first connecting rod 321, a fixing rod 322, a fixing groove 323, a limiting rod 33, a partition plate 34, a movable partition plate 341, a fixing partition plate 342, a first groove 343, a first ring 344, a first through groove 345, a first plate 35, a second convex block 351, a shifting block 352, a flushing unit 4, a liquid injection pipe 41, a flushing channel 42 and a flushing groove 43.
Detailed Description
The present invention will be further described with reference to the following detailed description so that the technical means, the creation features, the achievement purposes and the effects of the present invention can be easily understood.
As shown in fig. 1 to 5, the neuroendoscopy stereotactic surgery auxiliary channel device comprises a channel tube 1, a limiting plate 2, a separating unit 3 and a flushing unit 4, wherein the limiting plate 2 is of an annular structure, the limiting plate 2 is fixedly connected to the end of the channel tube 1, the separating unit 3 comprises a rotating shaft 31, a fixing ring 32, a limiting rod 33 and a partition plate 34, the fixing ring 32 is located in the middle of an inner hole of the channel tube 1, the fixing ring 32 is rotatably connected with a fixing rod 322 fixedly connected to the upper surface of the limiting plate 2 through a first connecting rod 321, and the middle of the side surface of the first connecting rod 321 is in contact with the limiting rod 33 fixedly connected to the upper surface of the limiting plate 2; a circular fixing block 311 is arranged at the top of the rotating shaft 31, the cross-sectional area of the fixing block 311 is smaller than that of the inner surface of the fixing ring 32, and a first bump 312 arranged on the lower surface of the fixing block 311 is embedded in a fixing groove 323 arranged on the upper surface of the fixing ring 32; the first connecting rod 321 is made of iron, and the limiting rod 33 is made of magnet material; the rotating shaft 31 is nested on the fixing ring 32, a plurality of partition plates 34 are uniformly arranged on the outer surface of the rotating shaft 31, which is positioned inside the channel tube 1, and the end parts of the partition plates 34 are in contact with the surface of the inner hole of the channel tube 1; flushing unit 4 is including annotating liquid pipe 41, flushing channel 42 and flushing tank 43, the inside cavity of pipe wall of passageway pipe 1 forms flushing channel 42, install on the 2 lateral walls of limiting plate and annotate liquid pipe 41, annotate liquid pipe 41 and flushing channel 42 inside and communicate with each other, the position that the pipe wall internal surface of passageway pipe 1 is close to the bottom evenly is equipped with a plurality of flushing tanks 43, flushing tank 43 communicates with each other with flushing channel 42 is inside.
When the neuroendoscope is used for treating hematoma parts in a stereotactic operation, the neuroendoscope can normally enter the human body along a minimally invasive hole punched on the surface of the human body, and the injury to the side wall tissue of the minimally invasive opening on the human body in the extending process is reduced; the channel tube 1 is stretched into the micro wound, and the limiting plate 2 on the end part of the channel tube 1 plays a role in limiting the opening of the micro wound, so that the channel tube 1 is ensured to be stable in the placing process; through the action of the channel tube 1, a stable working channel is ensured to be established between the surface layer of the minimally invasive opening and a diseased part to be treated in a patient body, the neural endoscope and other surgical instruments can be ensured to smoothly extend into the diseased part and treat the diseased part, and the side wall of the channel tube 1 is limited in the process of extending the end part of the neural endoscope, so that the neural endoscope is ensured to be close to the diseased part along a stable moving track, and meanwhile, the injury to the internal tissues of the human body in the moving process can be fully reduced; in addition, when a plurality of surgical instruments including a neuroendoscope need to be applied simultaneously in the treatment process, in order to ensure that the plurality of surgical instruments cannot be obstructed in the working process, before the channel is used, the first connecting rod 321 is shifted to enable the first connecting rod 321 to rotate along the fixing rod 322 until the side surface of the first connecting rod 321 is contacted with the limiting rod 33, the first connecting rod 321 is fixed due to the mutual attraction effect of the first connecting rod 321 and the limiting rod 33, at the moment, the fixing ring 32 at the end part of the first connecting rod 321 moves to the middle part of the inner hole of the channel tube 1, the partition plates 34 uniformly arranged on the side walls of the rotating shafts 31 nested on the fixing ring 32 divide the interior of the channel tube 1 into a plurality of sub-channels which are not interfered with each other, during the treatment process, the neuroendoscope and other surgical instruments can simultaneously extend into the interior of the channel tube 1 along different sub-channels to treat the affected part, and under the separation effect of the partition plates 34, different surgical instruments which act simultaneously are not interfered with each other, so as to further ensure the smooth proceeding of the treatment process; the fixing block 311 at the end of the rotating shaft 31 is embedded into the fixing groove 323 on the fixing ring 32 through the first protruding block 312, so that the rotating shaft 31 is circumferentially positioned, and the influence of circumferential rotation of the rotating shaft 31 on the stability of the sub-channels in the treatment process is avoided; in addition, in the existing operation process, the existing neuroendoscopy hematoma removal operation adopts air as a medium, along with the removal of hematoma, the brain tissue collapses, the possibility of hematoma residue is high, and a bleeding point is covered along with the collapse of a brain group, so that the hemostasis is difficult, or the bleeding is caused after the operation by omission; therefore, the cleaning liquid is injected into the flushing channel 42 through the liquid injection pipe 41, the cleaning liquid flows in the flushing channel 42 and flows out from the flushing groove 43, the flowing water column is converged at the position 1cm in front of the channel pipe 1 and plays a role in flushing hematoma parts, the height of the channel pipe 1 enables the flushing role to be strengthened and enables the hematoma parts to bear certain pressure, the problem that brain tissues collapse in hematoma clearing operation is effectively avoided, and the creative liquid is used as a medium, so that the picture is clearer during external observation, and the internal condition can be mastered by an operating doctor.
As a specific embodiment of the present invention, the partition 34 includes a movable partition 341 and a fixed partition 342, the fixed partition 342 is fixedly connected to the outer surface of the rotating shaft 31, a plurality of first slots 343 are uniformly arranged on a joint portion of the fixed partition 342 and the rotating shaft 31, a first ring 344 is arranged on a portion of the movable partition 341 close to the corresponding first slot 343, and the first ring 344 passes through the first slot 343 and is nested at a portion of the rotating shaft 31 located in the first slot 343; the top of the movable partition plate 341 is provided with a first plate 35, the first plate 35 is L-shaped, one end of the first plate 35 is fixedly connected with the top of the movable partition plate 341, and the other end of the first plate 35 extends out of the inner hole of the channel tube 1 and is tightly contacted with the surface of the limiting plate 2; no. two protruding blocks 351 have been linked firmly to the position that a board 35 tip is close to limiting plate 2 surface, no. two protruding blocks 351 are the magnet material, and the limiting plate 2 surface is iron with the corresponding position of No. two protruding blocks 351.
When the device works, in the treatment process, after the diseased part of a patient is observed, the observation range is found to be insufficient, the channel dividing space where the neuroendoscope is located is small, and the neuroendoscope cannot move in a large range, so that the observation range of the neuroendoscope is enlarged; in the observation process, the treatment of the affected part needs a surgical instrument with a large volume, and the sub-channels distributed in the existing channel tube 1 are not enough to extend into the surgical instrument with the large volume; the end part of the first plate 35 is pulled, so that the first plate 35 overcomes the attraction between the second bump 351 and the surface of the limiting plate 2, meanwhile, the corresponding movable partition 341 moves upwards, the first ring 344 on the movable partition 341 moves in the first groove 343, then the movable partition 341 is rotated through the first plate 35, and the first ring 344 rotates in the first groove 343, so that the space for rotating the sub-channel corresponding to the first plate 35 is enlarged, when the space is enlarged to the adaptive degree, the first plate 35 is put down, the first bump 312 on the first plate 35 is in surface contact with the limiting plate 2 again, the movable partition 341 connected with the first plate 35 is fixed through the magnetic attraction, and the sub-channel with the enlarged space can stably ensure the normal work of a neuroendoscope or other surgical instruments.
As a specific embodiment of the present invention, a plurality of second grooves 21 are uniformly formed on the surface of the limiting plate 2 at a position corresponding to the end of the first plate 35, a second protrusion 351 is formed at a position corresponding to the second groove 21 at the end of the first plate 35, and the second protrusion 351 is embedded into the corresponding second groove 21; and the end part of the first plate 35 is provided with a shifting block 352, and the end part of the shifting block 352 extends out of the edge part of the limit plate 2.
When the movable partition 341 needs to be fixed, the first bump 312 on the movable partition 341 is embedded into the corresponding second groove 21, the second groove 21 is located at the iron part on the limiting plate 2, and the first bump 312 is made of a magnet material, so that the first bump 312 is tightly combined with the limiting plate 2, and the corresponding movable partition 341 is firmly fixed in the circumferential direction; when the sub-channel corresponding to the movable partition 341 needs to be spatially adjusted, the operator presses the manual limiting plate 2 with one hand and dials the dial block 352 on the first plate 35 with the other hand, so that the first bump 312 on the first plate 35 overcomes the magnetic attraction effect and is separated from the first groove 343, after the adjustment is finished, the dial block 352 is pulled to embed the first bump 312 into the corresponding first groove 343 after the adjustment position, so that the adjusted first bump 312 is fixed, the sub-channel after the spatial adjustment is ensured to be kept stable, and the smooth proceeding of the treatment process is ensured.
In an embodiment of the present invention, a first through groove 345 is formed in a sidewall of the first ring 344, a portion of the sidewall of the first ring 344, which is close to the first through groove 345, is made of rubber, and sidewalls of the first through groove 345 contact each other.
During operation, before the rotating shaft 31 is embedded into the fixing ring 32, firstly, how many surgical instruments are required to be present in the treatment process at the same time is estimated, so that the number of the required movable partition plates 341 is estimated, then, the first ring 344 on the selected movable partition plate 341 is close to the first groove 343 on the rotating shaft 31, the first through groove 345 on the first ring 344 extrudes the rotating shaft 31, the part, close to the first through groove 345, on the first ring 344 is made of rubber materials and deforms in the extrusion process, so that the first ring 344 is smoothly nested in the corresponding rotating shaft 31 part on the first groove 343, and the part, close to the first through groove 345, of the first ring 344 recovers and deforms under the elastic action, so that the first ring 344 and the movable partition plates 341 are limited; and because the end of the movable partition 341 contacts the inner wall of the passage tube 1, the displacement of the movable partition 341 from the rotating shaft 31 inside the passage tube 1 is small, ensuring that the first ring 344 is difficult to be separated from the rotating shaft 31 inside the passage tube 1.
In an embodiment of the present invention, the first connecting rod 321 and the fixed partition 342 are overlapped on the same plane, and the width of the first connecting rod 321 is smaller than the thickness of the fixed partition 342.
When the neuroendoscope and the surgical instrument are in operation, the first connecting rod 321 and the fixed clapboard 342 are positioned on the same plane, so that the first connecting rod 321 and the fixed clapboard 342 jointly play a role of dividing the space inside the channel tube 1 into a plurality of sub-channels, the first connecting rod 321 is prevented from being positioned between the movable clapboard 341 and the fixed clapboard 342, and the neuroendoscope and the surgical instrument are prevented from being smoothly inserted; and the fixed clapboard 342 is fixedly connected with the rotating shaft 31, no matter how the position of the movable clapboard 341 is adjusted, the space of the sub-channel is changed, the first connecting rod 321 is always superposed with the fixed clapboard 342, and the function of separating the fixed clapboard 342 from the corresponding sub-channel is exerted.
As a specific embodiment of the present invention, the fixing groove 323 is a through groove, and both ends of the fixing groove 323 are tapered; the fixing ring 32 is made of rubber.
When the fixing device works, because both ends of the fixing groove 323 are conical, when the fixing block 311 is combined with the fixing groove 323, the first bump 312 on the fixing block 311 can be smoothly embedded into the fixing groove 323 through the conical part of the fixing groove 323, and the fixing groove 323 can be ensured to smoothly limit the fixing block 311 and the connected rotating shaft 31; and when dismantling pivot 31, rotate fixed block 311 for a lug 312 plays the squeezing action to the fixed slot 323 lateral wall, thereby makes fixed ring 32 warp, and the clearance between fixed slot 323 increases, rotates connecting rod 321 afterwards, makes a connecting rod 321 drive fixed ring 32 and break away from fixed block 311, takes out fixed block 311 together with pivot 31 and baffle 34 afterwards, thereby has accomplished the demolition to separating unit 3, makes the demolition of separating unit 3 more smooth.
As a specific embodiment of the present invention, the portion of the outer surface of the passage tube 1 near the end portion far from the limiting plate 2 is arc-shaped and is bent toward the direction near the central axis of the inner hole of the passage tube 1.
During operation, because the position that the outside surface of the channel pipe 1 firstly stretches into the human body and contacts with the brain tissue in the human body is arc-shaped, and the arc-shaped position is in smooth transition with the inner wall of the channel pipe 1, the passing of a therapeutic surgical instrument is not influenced, so that the stimulation effect of the channel pipe 1 on the human tissue in the stretching-in process is reduced, the stretching-in of the channel pipe 1 is more stable, the injury to the brain tissue of the human body is more reduced, and the operation process is safer.
The specific working process is as follows:
when the stereoscopic directional operation is carried out to treat a hematoma part, in order to ensure that the neuroendoscopy can normally go deep into a human body along a minimally invasive hole drilled on the surface of the human body and reduce the damage to the side wall tissue of a minimally invasive opening on the human body in the extending process; the channel tube 1 is extended into the micro wound, and the limiting plate 2 on the end part of the channel tube 1 plays a role in limiting the opening of the micro wound to ensure that the channel tube 1 is kept stable in the placing process; through the effect of the channel tube 1, a stable working channel is ensured to be established between the surface layer of the minimally invasive opening and a patient part needing treatment in a patient body, the neural endoscope and other surgical instruments can be smoothly stretched into the affected part and can be used for treating the affected part, and the side wall of the channel tube 1 is used for limiting the end part of the neural endoscope in the stretching process, so that the neural endoscope is ensured to be close to the affected part along a stable moving track, and meanwhile, the damage to the internal tissues of the human body in the moving process can be fully reduced; in addition, when a plurality of surgical instruments including a neuroendoscope need to be applied simultaneously in the treatment process, in order to ensure that the plurality of surgical instruments do not have the phenomenon of mutual obstruction in the working process, before the channels are used, the first connecting rod 321 is shifted to enable the first connecting rod 321 to rotate along the fixing rod 322 until the side surface of the first connecting rod 321 is contacted with the limiting rod 33, the first connecting rod 321 is fixed due to the mutual attraction effect of the first connecting rod 321 and the limiting rod 33, at the moment, the fixing ring 32 at the end part of the first connecting rod 321 moves to the middle part of the inner hole of the channel tube 1, and the partition plates 34 uniformly arranged on the side walls of the rotating shaft 31 embedded in the fixing ring 32 divide the inside of the channel tube 1 into a plurality of sub-channels which are not interfered with each other; the fixing block 311 at the end of the rotating shaft 31 is embedded into the fixing groove 323 on the fixing ring 32 through the first protruding block 312, so that the rotating shaft 31 is circumferentially positioned, and the influence of circumferential rotation of the rotating shaft 31 on the stability of the sub-channels in the treatment process is avoided; in addition, in the existing operation process, the existing neuroendoscopy hematoma removal operation adopts air as a medium, along with the removal of hematoma, the brain tissue collapses, the possibility of hematoma residue is high, and a bleeding point is covered along with the collapse of a brain group, so that the hemostasis is difficult, or the bleeding is caused after the operation by omission; therefore, the cleaning liquid is injected into the flushing channel 42 through the liquid injection pipe 41, the cleaning liquid flows in the flushing channel 42 and flows out of the flushing groove 43, the water columns flowing out are converged at the position 1cm in front of the channel pipe 1 and have a flushing effect on the hematoma part, the height of the channel pipe 1 enhances the flushing effect and enables the hematoma part to bear certain pressure, the problem of brain tissue collapse in the hematoma removal operation is effectively avoided, and the innovative liquid is used as a medium, so that the picture is clearer during external observation, and the operation doctor can master the internal condition conveniently; in the treatment process, after the diseased part of a patient is observed, the observation range is found to be insufficient, the channel-dividing space where the neuroendoscope is located is small, and the neuroendoscope cannot move in a large range, so that the observation range of the neuroendoscope is enlarged; in the observation process, the treatment of the affected part needs a surgical instrument with a large volume, and the sub-channels distributed in the existing channel tube 1 are not enough to extend into the surgical instrument with the large volume; the end part of the first plate 35 is pulled, so that the first plate 35 overcomes the attraction between the second bump 351 and the surface of the limiting plate 2, the corresponding movable partition 341 moves upwards, the first ring 344 on the movable partition 341 moves in the first groove 343, the movable partition 341 is rotated through the first plate 35, and the first ring 344 rotates in the first groove 343, so that the space of the sub-channel corresponding to the first plate 35 is enlarged, when the space is enlarged to the adaptive degree, the first plate 35 is put down, the first bump 312 on the first plate 35 is in surface contact with the limiting plate 2 again, the movable partition 341 connected with the first plate 35 is fixed through the magnetic attraction, the sub-channel with the enlarged space can stably ensure the normal work of a neuroendoscope or other surgical instruments, and the smooth proceeding of the treatment process is ensured.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and so on.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a neural scope stereotactic operation auxiliary channel equipment which characterized in that: the device comprises a channel pipe (1), a limiting plate (2), a separating unit (3) and a washing unit (4), wherein the limiting plate (2) is of an annular structure, the limiting plate (2) is fixedly connected to the end part of the channel pipe (1), the separating unit (3) comprises a rotating shaft (31), a fixing ring (32), a limiting rod (33) and a partition plate (34), the fixing ring (32) is located in the middle of an inner hole of the channel pipe (1), the fixing ring (32) is rotatably connected with a fixing rod (322) fixedly connected to the upper surface of the limiting plate (2) through a first connecting rod (321), and the middle of the side surface of the first connecting rod (321) is in contact with the limiting rod (33) fixedly connected to the upper surface of the limiting plate (2); a round fixing block (311) is arranged at the top of the rotating shaft (31), the cross-sectional area of the fixing block (311) is smaller than that of the inner surface of the fixing ring (32), and a first protruding block (312) arranged on the lower surface of the fixing block (311) is embedded into a fixing groove (323) arranged on the upper surface of the fixing ring (32); the first connecting rod (321) is made of iron, and the limiting rod (33) is made of a magnet material; the rotating shaft (31) is embedded in the fixing ring (32), a plurality of partition plates (34) are uniformly arranged on the outer surface of the rotating shaft (31) in the channel tube (1), the end parts of the partition plates (34) are in contact with the surface of the inner hole of the channel tube (1), and the inner surfaces of the partition plates (34) are subjected to smoothing treatment; the washing unit (4) comprises a liquid injection pipe (41), a washing channel (42) and washing grooves (43), the washing channel (42) is formed in the hollow inner wall of the channel pipe (1), the liquid injection pipe (41) is installed on the side wall of the limiting plate (2), the liquid injection pipe (41) is communicated with the inside of the washing channel (42), the positions, close to the bottom, of the inner surface of the pipe wall of the channel pipe (1) are uniformly provided with the washing grooves (43), and the washing grooves (43) are communicated with the inside of the washing channel (42);
the baffle (34) comprises a movable baffle (341) and a fixed baffle (342), the fixed baffle (342) is fixedly connected with the outer surface of the rotating shaft (31), a plurality of first grooves (343) are uniformly formed in the joint part of the fixed baffle (342) and the rotating shaft (31), a first ring (344) is arranged on the movable baffle (341) close to the corresponding first groove (343), and the first ring (344) penetrates through the first groove (343) and is nested in the rotating shaft (31) positioned in the first groove (343); the top of the movable partition plate (341) is provided with a first plate (35), the first plate (35) is L-shaped, one end of the first plate (35) is fixedly connected with the top of the movable partition plate (341), and the other end of the first plate (35) extends out of an inner hole of the channel pipe (1) and is tightly contacted with the surface of the limiting plate (2); a position that a board (35) tip is close to limiting plate (2) surface has linked firmly No. two lug (351), no. two lug (351) are the magnet material, and limiting plate (2) surface and No. two corresponding positions of lug (351) are iron.
2. The neuroendoscopy stereotactic procedure accessory channel device of claim 1, wherein: a plurality of second grooves (21) are uniformly formed in the surface of the limiting plate (2) at the position corresponding to the end part of the first plate (35), second convex blocks (351) are arranged at the position corresponding to the second grooves (21) at the end part of the first plate (35), and the second convex blocks (351) are embedded into the corresponding second grooves (21); and the end part of the first plate (35) is provided with a shifting block (352), and the end part of the shifting block (352) extends out of the edge part of the limiting plate (2).
3. The neuroendoscopy stereotactic procedure accessory channel device of claim 2, wherein: a first through groove (345) is formed in the side wall of the first ring (344), the portion, close to the first through groove (345), of the side wall of the first ring (344) is made of rubber materials, and the side walls of the first through groove (345) are in contact with each other.
4. The neuroendoscopic stereotactic surgical accessory channel apparatus of claim 3, wherein: the first connecting rod (321) and the fixed partition plate (342) are superposed on the same plane.
5. The neuroendoscopy stereotactic procedure accessory channel device of claim 4, wherein: the fixing groove (323) is a through groove, and two ends of the fixing groove (323) are both conical; the fixing ring (32) is made of rubber.
6. The neuroendoscopic stereotactic surgical accessory channel apparatus of claim 5, wherein: the outer surface of the channel pipe (1) close to the end part far away from the limiting plate (2) is arc-shaped and is bent towards the direction close to the central axis of the inner hole of the channel pipe (1).
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| CN202110752916.2A CN113425343B (en) | 2021-07-02 | 2021-07-02 | Neural scope stereotactic surgery auxiliary channel equipment |
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| CN202110752916.2A CN113425343B (en) | 2021-07-02 | 2021-07-02 | Neural scope stereotactic surgery auxiliary channel equipment |
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