CN113229924A - Special screw holder of cranial nerve surgical operation - Google Patents
Special screw holder of cranial nerve surgical operation Download PDFInfo
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- CN113229924A CN113229924A CN202110684424.4A CN202110684424A CN113229924A CN 113229924 A CN113229924 A CN 113229924A CN 202110684424 A CN202110684424 A CN 202110684424A CN 113229924 A CN113229924 A CN 113229924A
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- 210000003792 cranial nerve Anatomy 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 22
- 238000007906 compression Methods 0.000 description 22
- 238000001356 surgical procedure Methods 0.000 description 12
- 210000004556 brain Anatomy 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 230000003902 lesion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000000653 nervous system Anatomy 0.000 description 3
- 210000000278 spinal cord Anatomy 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000002490 cerebral effect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000001428 peripheral nervous system Anatomy 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
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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
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
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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
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
- A61B2017/922—Devices for impaction, impact element
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- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Surgical Instruments (AREA)
Abstract
The invention discloses a special screw clamp holder for cranial nerve surgical operation, which comprises a clamping piece, an installation block, a connecting piece and a handle; the handle is a cylinder, a button is arranged on the handle, a lithium battery is arranged in the handle, one end of the connecting piece is provided with the handle, the other end of the connecting piece is connected with an installation block, the installation block comprises two connecting plates, the clamping piece is fixedly arranged between the two connecting plates, and comprises a shell, a pressure spring, a pressure plate, a conical block, a moving block and a rotating mechanism; the casing is the cuboid, installs four pressure springs in the casing, and two pressure spring fixed mounting are in the casing top, and two pressure spring fixed mounting are in the casing below. The invention has the advantages of solving the problem of unstable clamping of the screws, enhancing the stability of clamping, realizing the clamping of various screws in the cranial nerve surgical operation, facilitating the operation of the surgical operation by a doctor, improving the working efficiency, preventing the screws from sliding off during the surgical operation and avoiding the accidents of the surgical operation.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a special screw clamp holder for cranial nerve surgery.
Background
Neurosurgery is based on operation as the main treatment means, neurosurgery research methods are applied to research human nervous systems, such as the brain, the spinal cord and the peripheral nervous system, and related auxiliary mechanisms, neurosurgery is mainly used for treating diseases of the nervous systems, such as the brain, the spinal cord and the like, caused by trauma, the neurosurgery is mainly used for treating the diseases of the nervous systems, such as the brain, the spinal cord and the like, the neurosurgery is used for removing lesions or changing structures in an external force mode after entering a human body through surgical equipment and instruments under the operation of surgeons and other professionals, early stage surgery is limited to a simple manual method for cutting, incising and suturing on the body surface, the surgical field is continuously expanded along with the development of the neurosurgery, applied instruments are continuously updated, and when the lesion of the brain occurs or the skull is wounded, the lesion is treated by opening the skull, and the life of a patient is saved.
Need the doctor to take up and manually press the both ends of screw holder during neurosurgery, take out the screw with the other hand, it is inconvenient to operate, cost time and influence operation efficiency more, at present most still use doctor's manual operation as the owner of operation, the screw holder that uses clinically usually is formed by holder and handle combination, both generally are the straight line structure, to some special operation positions, current clamping device can't operate, because the screw both sides are comparatively smooth, the centre gripping is insecure, make the screw landing very easily, and the variation in size of screw, the use has the limitation, bring very big inconvenience for medical work.
Disclosure of Invention
The invention aims to provide a special screw clamp for cranial nerve surgical operation, so that the problem of unstable clamping of screws is solved, the clamping stability is enhanced, various screws in the cranial nerve surgical operation can be clamped conveniently by a doctor, the operation of the surgical operation is facilitated, the working efficiency is improved, the screws are prevented from sliding off during the operation, and the accident of the surgical operation is avoided.
A special screw clamp holder for cerebral neurosurgery comprises a clamping piece, an installation block, a connecting piece and a handle; the handle is a cylinder, a button is arranged on the handle, a lithium battery is arranged in the handle, one end of the connecting piece is provided with the handle, the other end of the connecting piece is connected with an installation block, the installation block comprises two connecting plates, the clamping piece is fixedly arranged between the two connecting plates, and comprises a shell, a pressure spring, a pressure plate, a conical block, a moving block and a rotating mechanism; the shell is a cuboid, four pressure springs are mounted in the shell, the two pressure springs are fixedly mounted above the shell, the two pressure springs are fixedly mounted below the shell, a pressure plate is mounted between the pressure springs, the pressure plate comprises an upper pressure plate and a lower pressure plate, the upper pressure plate and the lower pressure plate move vertically, conical blocks are arranged on two sides of the pressure plate, the conical blocks are inserted between the upper pressure plate and the lower pressure plate, the conical blocks are fixedly connected with a moving block, the moving block is provided with a rack, the moving block is connected with a rotating mechanism through the rack, the rotating mechanism is located on two sides of the moving block, and the rotating mechanism comprises a gear belt, a pulley and a motor; the gear belt is connected with the rack of the moving block in a matching mode, pulleys are installed at two ends of the gear belt and connected with the motor, the motor drives the pulleys to rotate, the pulleys drive the gear belt to rotate, and the gear belt drives the moving block to move.
The holder is provided with the pressure spring, installs the clamp plate between the pressure spring, and the clamp plate contains top board and holding down plate, and top board and holding down plate mutually perpendicular remove, with the screw of taking of holder when the surgery, solve the insecure problem of centre gripping of screw, have strengthened the stability of centre gripping, realize the clamp of multiple screw in the cranial nerve surgery and get, make things convenient for medical staff to carry out the operation of surgery, improved work efficiency.
Screw holder is provided with the handle, and the handle is the cylinder, is provided with the button on the handle, is provided with the lithium cell in the handle, and the handle is installed to the one end of connecting piece, and the other end of connecting piece is connected with the installation piece, only needs to realize the centre gripping work of screw through the button during operation, and the handle can be favorable to the holder to carry out the operation of darker department, screw landing when preventing operation to avoid causing surgery's accident, improve the security of shell operation.
Further, the holder passes through the connecting piece and is articulated with the handle, and the holder contains fastening screw and rubber cushion, and fastening screw is installed to the both sides of holder, and fastening screw runs through the holder, and fastening screw's one end is fixed and is provided with rubber cushion, and rubber cushion sets up the inside at the holder.
Furthermore, the both ends of the top board and the holding down plate of holder and the inner wall sliding connection of casing, the both ends swing joint of top board and holding down plate has the spout, installs reset spring in the spout, and reset spring has cup jointed the telescopic link outward.
Further, the upper pressing plate and the lower pressing plate are provided with conical grooves, the contact surfaces of the conical grooves at the two ends of the upper pressing plate and the lower pressing plate are provided with conical notches, the conical blocks are placed in the conical notches, the pressure springs comprise two upper pressure springs and two lower pressure springs, the two upper pressure springs are installed on the upper pressing plate, and the two lower pressure springs are installed on the lower pressing plate.
The contact surface of the conical grooves at the two ends of the upper pressing plate and the lower pressing plate is provided with a conical notch, the conical block is placed in the conical notch, the two upper pressing springs are installed on the upper pressing plate, the two lower pressing springs are installed on the lower pressing plate, the switch button is pressed down, the conical block automatically stretches into the space between the upper pressing plate and the lower pressing plate, the upper pressing plate and the lower pressing plate are separated, medical staff puts screws into the space between the pressing plates to realize clamping, the operation is convenient, the screws are suitable for screws with different sizes, the screws can not slide down when being clamped at special operation positions, and the operation efficiency of doctors is improved.
Further, the holder contains stopper, spacing spring and spacing post, and the upper and lower both ends fixed mounting of holder has the stopper, and the inside grafting of stopper has spacing spring, and spacing spring is kept away from the one end of stopper and is installed spacing post, the one end and the casing top fixed connection of spacing post.
Further, the two ends of the shell are provided with sliding grooves, an upper pressing plate and a lower pressing plate are arranged in the sliding grooves, screw holes are formed in the contact positions of the upper pressing plate and the lower pressing plate, and a reset spring is arranged in the sliding grooves and arranged at the tail ends of the upper pressing plate and the lower pressing plate.
Furthermore, the pressing plate is fixed in the middle of the inside of the shell through upper and lower pressure springs, conical blocks are arranged at two ends of the upper pressing plate and two ends of the lower pressing plate, semicircular holes and a silica gel sheet are arranged on the surfaces of the upper pressing plate and the lower pressing plate, and the semicircular holes are connected with the silica gel sheet.
Furthermore, the upper pressing plate and the lower pressing plate are respectively provided with two sliding strips, two sliding grooves are formed in two ends of the shell and are connected in a matched mode, the sliding strips and the sliding grooves are metal alloy components, and the distance between the two sliding grooves is 5 mm-15 mm.
The upper pressing plate and the lower pressing plate are respectively provided with two sliding strips, two sliding grooves are formed in two ends of the shell, the sliding strips are connected with the sliding grooves in a matched mode, the upper pressing plate and the lower pressing plate can slide through the sliding grooves and the sliding strips, the upper pressing plate and the lower pressing plate can slide in a limiting mode through the reset springs, the purpose of automatically compressing the screw holes and the automatic clamping screws is achieved, the automatic clamping screw device has the advantages of being simple in structure and convenient to use and operate, and the efficiency of doctor operations and the accuracy of screw fixation are improved.
Furthermore, the upper pressure plate is connected with the inner wall of the shell through two upper pressure springs, the lower pressure plate is connected with the inner wall of the shell through two lower pressure springs, and the two upper pressure springs and the two lower pressure springs are respectively arranged at two ends of the upper pressure plate and the lower pressure plate.
The top board is connected with shells inner wall through two upper compression springs, and the holding down plate is connected with shells inner wall through two lower compression springs, and two compression springs can provide sufficient clamping pressure, improves the stability of centre gripping, can reset the clamp plate automatically simultaneously, does not need manual operation can realize the automatic pine of screw and takes off, and the doctor can adopt the one hand to carry out taking of screw fast, has convenient operation and save time's advantage, has improved operation efficiency.
Furthermore, the upper pressing plate and the lower pressing plate are plastic plates, the thickness of the upper pressing plate and the thickness of the lower pressing plate are smaller than the length of the screw, sliding strips are arranged on two sides of the upper pressing plate and two sides of the lower pressing plate, and buffer rubber pads are arranged at two ends of the sliding strips.
The invention has the advantages that: the clamping piece is provided with pressure springs, a pressure plate is arranged between the pressure springs and comprises an upper pressure plate and a lower pressure plate, the upper pressure plate and the lower pressure plate move vertically, screws are taken by the clamping piece during a surgical operation, the problem that the screws are not firmly clamped is solved, the clamping stability is enhanced, clamping of various screws in the cranial nerve surgical operation is realized, medical staff can conveniently perform the surgical operation, and the working efficiency is improved; screw holder is provided with the handle, and the handle is the cylinder, is provided with the button on the handle, is provided with the lithium cell in the handle, and the handle is installed to the one end of connecting piece, and the other end of connecting piece is connected with the installation piece, only needs to realize the centre gripping work of screw through the button during operation, and the handle can be favorable to the holder to carry out the operation of darker department, screw landing when preventing operation to avoid causing surgery's accident, improve the security of shell operation.
Drawings
Fig. 1 is a schematic structural diagram of a screw holder special for cerebral neurosurgery.
Fig. 2 is a view showing a structure of a clamp member of a screw clamp for surgical use.
FIG. 3 is a schematic view of a screw holder rotating mechanism.
The labels in the figure are: the clamping device comprises a clamping piece 1, an installation block 2, a connecting piece 3, a handle 4, a connecting plate 5, a shell 6, a pressure spring 7, a pressure plate 8, a conical block 9, a moving block 10, a rotating mechanism 11, an upper pressure plate 12, a lower pressure plate 13, a gear belt 14, a pulley 15 and a motor 16.
Detailed Description
Aiming at the defects in the prior art, the invention provides the special screw clamp for the cranial nerve surgical operation, so that the problem of infirm clamping of screws is solved, the clamping stability is enhanced, the clamping of various screws in the cranial nerve surgical operation is realized, the operation of the surgical operation by a doctor is facilitated, the working efficiency is improved, the screws are prevented from falling off during the surgical operation, and the accidents of the surgical operation are avoided.
In order to solve the technical problems, the invention adopts the following technical scheme:
as one embodiment, as shown in fig. 1, a screw clamp holder for cranial neurosurgery comprises a clamp member 1, a mounting block 2, a connecting member 3 and a handle 4; the handle 4 is a cylinder, a button is arranged on the handle 4, a lithium battery is arranged in the handle 4, the handle 4 is installed at one end of the connecting piece 3, the other end of the connecting piece 3 is connected with the installation block 2, the installation block 2 comprises two connecting plates 5, the clamping piece 1 is fixedly installed between the two connecting plates 5, the clamping piece 1 comprises a shell 6, a pressure spring 7, a pressure plate 8, a conical block 9, a moving block 10 and a rotating mechanism 11; the casing 6 is a cuboid, four compression springs 7 are installed in the casing 6, the two compression springs 7 are fixedly installed above the casing 6, the two compression springs 7 are fixedly installed below the casing 6, a pressing plate 8 is installed between the compression springs 7, the pressing plate 8 comprises an upper pressing plate 12 and a lower pressing plate 13, the upper pressing plate 12 and the lower pressing plate 13 move vertically, conical blocks 9 are arranged on two sides of the pressing plate 8, the conical blocks 9 are inserted between the upper pressing plate 12 and the lower pressing plate 13, the conical blocks 9 are fixedly connected with a moving block 10, the moving block 10 is provided with a rack, the moving block 10 is connected with a rotating mechanism 11 through the rack, the rotating mechanism 11 is located on two sides of the moving block 10, and the rotating mechanism 11 comprises a gear belt 14, a pulley 15 and a motor 16; the gear belt 14 is connected with the rack of the moving block 10 in a matching manner, pulleys 15 are installed at two ends of the gear belt 14, the pulleys 15 are connected with the motor 16, the motor 16 drives the pulleys 15 to rotate, the pulleys 15 drive the gear belt 14 to rotate, and the gear belt 14 drives the moving block 10 to move.
Preferably, holder 1 is provided with pressure spring 7, install clamp plate 8 between the pressure spring 7, and clamp plate 8 contains top board 12 and holding down plate 13, and top board 12 and holding down plate 13 mutually perpendicular remove, with the screw of taking of holder 1 when the surgery, solve the insecure problem of centre gripping of screw, have strengthened the stability of centre gripping, the clamp of multiple screw is got in the realization cranial nerve surgery operation, makes things convenient for medical staff to carry out the operation of surgery, has improved work efficiency.
Preferably, the screw holder is provided with handle 4, handle 4 is the cylinder, be provided with the button on handle 4, be provided with the lithium cell in the handle 4, handle 4 is installed to the one end of connecting piece 3, the other end of connecting piece 3 is connected with installation piece 2, only need realize the centre gripping work of screw through the button during operation, handle 4 can be favorable to holder 1 to carry out the operation of darker department, screw landing when preventing operation, thereby avoid causing the accident of surgery, improve the security of shell operation.
Preferably, the clamping part 1 is hinged to the handle 4 through the connecting part 3, the clamping part 1 comprises a fastening screw and a rubber cushion block, the fastening screw is installed on two sides of the clamping part 1 and penetrates through the clamping part 1, the rubber cushion block is fixedly arranged at one end of the fastening screw, and the rubber cushion block is arranged inside the clamping part 1.
Preferably, the two ends of the upper pressing plate 12 and the lower pressing plate 13 of the clamping piece 1 are slidably connected with the inner wall of the shell 6, the two ends of the upper pressing plate 12 and the lower pressing plate 13 are movably connected with sliding grooves, return springs are installed in the sliding grooves, and telescopic rods are sleeved outside the return springs.
As an embodiment, as shown in fig. 2, the upper pressing plate 12 and the lower pressing plate 13 are provided with tapered grooves, contact surfaces of the tapered grooves at two ends of the upper pressing plate 12 and the lower pressing plate 13 are provided with tapered notches, the tapered blocks 9 are placed in the tapered notches, the compression springs 7 comprise two upper compression springs 7 and two lower compression springs 7, the two upper compression springs 7 are mounted on the upper pressing plate 12, and the two lower compression springs 7 are mounted on the lower pressing plate 13.
Preferably, the contact surface of the conical grooves at the two ends of the upper pressing plate 12 and the lower pressing plate 13 is provided with a conical notch, the conical block 9 is placed in the conical notch, the two upper compression springs 7 are installed on the upper pressing plate 12, the two lower compression springs 7 are installed on the lower pressing plate 13, a switch button is pressed down, the conical block 9 automatically stretches into the space between the upper pressing plate 12 and the lower pressing plate 13, the upper pressing plate 12 and the lower pressing plate 13 are separated, medical staff place screws between the pressing plates 8 to achieve clamping, the operation is convenient and the screws adapt to different sizes, the screws can not slide down when being clamped on special operation positions, and the operation efficiency of doctors is improved.
Preferably, holder 1 contains stopper, spacing spring and spacing post, and holder 1's upper and lower both ends fixed mounting has the stopper, and the inside grafting of stopper has spacing spring, and spacing spring is kept away from the one end of stopper and is installed spacing post, the one end and the 6 top fixed connection of casing of spacing post.
Preferably, sliding grooves are formed in two ends of the shell 6, an upper pressing plate 12 and a lower pressing plate 13 are arranged in the sliding grooves, screw holes are formed in the contact positions of the upper pressing plate 12 and the lower pressing plate 13, and a return spring is arranged in the sliding grooves and arranged at the tail ends of the upper pressing plate 12 and the lower pressing plate 13.
Preferably, the pressing plate 8 is fixed in the middle of the inside of the shell 6 through upper and lower compression springs 7, the two ends of the upper pressing plate 12 and the lower pressing plate 13 are both provided with conical blocks 9, and the surfaces of the upper pressing plate 12 and the lower pressing plate 13 are provided with semicircular holes and silica gel sheets, wherein the semicircular holes are connected with the silica gel sheets.
As an embodiment, as shown in fig. 3, the conical block 9 is fixedly connected with a moving block 10, the moving block 10 is provided with a rack, the moving block 10 is connected with a rotating mechanism 11 through the rack, the rotating mechanism 11 is located at two sides of the moving block 10, and the rotating mechanism 11 comprises a gear belt 14, a pulley 15 and a motor 16; the gear belt 14 is connected with the rack of the moving block 10 in a matching manner, pulleys 15 are installed at two ends of the gear belt 14, the pulleys 15 are connected with the motor 16, the motor 16 drives the pulleys 15 to rotate, the pulleys 15 drive the gear belt 14 to rotate, and the gear belt 14 drives the moving block 10 to move.
Preferably, the upper pressing plate 12 and the lower pressing plate 13 are respectively provided with two sliding bars, two sliding grooves are arranged at two ends of the shell 6, the sliding bars are connected with the sliding grooves in a matching manner, the sliding bars and the sliding grooves are metal alloy components, and the distance between the two sliding grooves is 5 mm to 15 mm.
Preferably, upper plate 12 and holding down plate 13 are provided with two draw bars respectively, 6 both ends of casing are provided with two spouts, draw bar and spout accordant connection, can make upper plate 12 and holding down plate 13 slide through setting up spout and draw bar, carry out spacing slip to upper plate 12 and holding down plate 13 through reset spring, realize the purpose of automatic compression screw hole and automatic centre gripping screw, have simple structure and use convenient operation's advantage, promote the efficiency of doctor's operation and the accuracy of fix with screw.
Preferably, the upper pressure plate 12 is connected with the inner wall of the casing 6 through two upper pressure springs 7, the lower pressure plate 13 is connected with the inner wall of the casing 6 through two lower pressure springs 7, and the two upper pressure springs 7 and the two lower pressure springs 7 are respectively arranged at two ends of the upper pressure plate 12 and the two lower pressure springs 13.
Preferably, the upper pressing plate 12 is connected with the inner wall of the shell 6 through two upper compression springs 7, the lower pressing plate 13 is connected with the inner wall of the shell 6 through two lower compression springs 7, the two compression springs 7 can provide enough clamping pressure, the clamping stability is improved, the pressing plate 8 can be automatically reset simultaneously, the automatic loosening and loosening of screws can be realized without manual operation, a doctor can rapidly take the screws by one hand, the operation is convenient, the time is saved, and the operation efficiency is improved.
Preferably, the upper pressing plate 12 and the lower pressing plate 13 are plastic plates, the thickness of the upper pressing plate 12 and the thickness of the lower pressing plate 13 are smaller than the length of the screw, sliding strips are arranged on two sides of the upper pressing plate 12 and the lower pressing plate 13, and buffer rubber pads are arranged at two ends of the sliding strips.
The invention has the beneficial effects that: the clamping piece is provided with pressure springs, a pressure plate is arranged between the pressure springs and comprises an upper pressure plate and a lower pressure plate, the upper pressure plate and the lower pressure plate move vertically, screws are taken by the clamping piece during a surgical operation, the problem that the screws are not firmly clamped is solved, the clamping stability is enhanced, clamping of various screws in the cranial nerve surgical operation is realized, medical staff can conveniently perform the surgical operation, and the working efficiency is improved; screw holder is provided with the handle, and the handle is the cylinder, is provided with the button on the handle, is provided with the lithium cell in the handle, and the handle is installed to the one end of connecting piece, and the other end of connecting piece is connected with the installation piece, only needs to realize the centre gripping work of screw through the button during operation, and the handle can be favorable to the holder to carry out the operation of darker department, screw landing when preventing operation to avoid causing surgery's accident, improve the security of shell operation.
The contact surfaces of conical grooves at two ends of the upper pressing plate and the lower pressing plate are provided with conical notches, the conical block is placed in the conical notches, the two upper pressure springs are installed on the upper pressing plate, the two lower pressure springs are installed on the lower pressing plate, the switch button is pressed, the conical block automatically extends into a position between the upper pressing plate and the lower pressing plate to separate the upper pressing plate from the lower pressing plate, medical staff puts screws into the positions between the pressing plates to realize clamping, the operation is convenient, the screw clamping device is suitable for screws with different sizes, the screws cannot slide down when clamping certain special operation positions, and the operation efficiency of doctors is improved; the upper pressing plate and the lower pressing plate are respectively provided with two sliding strips, two sliding grooves are formed in two ends of the shell, the sliding strips are connected with the sliding grooves in a matched mode, the upper pressing plate and the lower pressing plate can slide through the sliding grooves and the sliding strips, the upper pressing plate and the lower pressing plate can slide in a limiting mode through the reset springs, the purpose of automatically compressing the screw holes and the automatic clamping screws is achieved, the automatic clamping screw device has the advantages of being simple in structure and convenient to use and operate, and the efficiency of doctor operations and the accuracy of screw fixation are improved.
The top board is connected with shells inner wall through two upper compression springs, and the holding down plate is connected with shells inner wall through two lower compression springs, and two compression springs can provide sufficient clamping pressure, improves the stability of centre gripping, can reset the clamp plate automatically simultaneously, does not need manual operation can realize the automatic pine of screw and takes off, and the doctor can adopt the one hand to carry out taking of screw fast, has convenient operation and save time's advantage, has improved operation efficiency.
All patents and publications mentioned in the specification of the invention are indicative of the techniques disclosed in the art to which this invention pertains and are intended to be applicable. All patents and publications cited herein are hereby incorporated by reference to the same extent as if each individual publication was specifically and individually indicated to be incorporated by reference. The invention described herein may be practiced in the absence of any element or elements, limitation or limitations, which limitation or limitations is not specifically disclosed herein. For example, in each of the examples herein the terms "comprising", "consisting essentially of", and "consisting of" may be substituted for the remaining 2 terms of either. The terms and expressions which have been employed herein are used as terms of description and not of limitation, and there is no intention in the use of such terms and expressions of excluding any equivalents of the features shown and described, but it is recognized that various modifications and changes may be made within the scope of the invention and the claims which follow. It is to be understood that the embodiments described herein are preferred embodiments and features and that modifications and variations may be made by one skilled in the art in light of the teachings of this disclosure, and are to be considered within the purview and scope of this invention and the scope of the appended claims and their equivalents.
Claims (10)
1. A special screw holder for cranial nerve surgical operation is characterized in that: comprises a clamping piece, a mounting block, a connecting piece and a handle; the handle is a cylinder, a button is arranged on the handle, a lithium battery is arranged in the handle, one end of the connecting piece is provided with the handle, the other end of the connecting piece is connected with an installation block, the installation block comprises two connecting plates, the clamping piece is fixedly arranged between the two connecting plates, and comprises a shell, a pressure spring, a pressure plate, a conical block, a moving block and a rotating mechanism; the shell is a cuboid, four pressure springs are mounted in the shell, the two pressure springs are fixedly mounted above the shell, the two pressure springs are fixedly mounted below the shell, a pressure plate is mounted between the pressure springs, the pressure plate comprises an upper pressure plate and a lower pressure plate, the upper pressure plate and the lower pressure plate move vertically, conical blocks are arranged on two sides of the pressure plate, the conical blocks are inserted between the upper pressure plate and the lower pressure plate, the conical blocks are fixedly connected with a moving block, the moving block is provided with a rack, the moving block is connected with a rotating mechanism through the rack, the rotating mechanism is located on two sides of the moving block, and the rotating mechanism comprises a gear belt, a pulley and a motor; the gear belt is connected with the rack of the moving block in a matching mode, pulleys are installed at two ends of the gear belt and connected with the motor, the motor drives the pulleys to rotate, the pulleys drive the gear belt to rotate, and the gear belt drives the moving block to move.
2. The screw holder special for cranial neurosurgery according to claim 1, wherein: the clamping piece is hinged with the handle through the connecting piece, the clamping piece comprises fastening screws and rubber cushion blocks, the fastening screws are installed on two sides of the clamping piece and penetrate through the clamping piece, the rubber cushion blocks are fixedly arranged at one ends of the fastening screws, and the rubber cushion blocks are arranged inside the clamping piece.
3. The screw holder special for cranial neurosurgery according to claim 1, wherein: the clamping piece is characterized in that the two ends of the upper pressing plate and the lower pressing plate of the clamping piece are connected with the inner wall of the shell in a sliding mode, the two ends of the upper pressing plate and the lower pressing plate are movably connected with sliding grooves, return springs are installed in the sliding grooves, and telescopic rods are sleeved outside the return springs.
4. The screw holder special for cranial neurosurgery according to claim 1, wherein: the upper pressing plate and the lower pressing plate are provided with conical grooves, the contact surfaces of the conical grooves at the two ends of the upper pressing plate and the lower pressing plate are provided with conical notches, conical blocks are placed in the conical notches, the pressure springs comprise two upper pressure springs and two lower pressure springs, the two upper pressure springs are installed on the upper pressing plate, and the two lower pressure springs are installed on the lower pressing plate.
5. The screw holder special for cranial neurosurgery according to claim 1, wherein: the clamping part contain stopper, spacing spring and spacing post, the upper and lower both ends fixed mounting of clamping part has the stopper, the inside grafting of stopper has spacing spring, spacing spring is kept away from the one end of stopper and is installed spacing post, the one end and the casing top fixed connection of spacing post.
6. The screw holder special for cranial neurosurgery according to claim 1, wherein: the shell is characterized in that sliding grooves are formed in two ends of the shell, an upper pressing plate and a lower pressing plate are arranged in the sliding grooves, screw holes are formed in the contact positions of the upper pressing plate and the lower pressing plate, and a reset spring is arranged in the sliding grooves and arranged at the tail ends of the upper pressing plate and the lower pressing plate.
7. The screw holder special for cranial neurosurgery according to claim 1, wherein: the pressing plate is fixed in the middle of the inside of the shell through upper and lower pressure springs, conical blocks are arranged at two ends of the upper pressing plate and two ends of the lower pressing plate, semicircular holes and a silica gel sheet are arranged on the surfaces of the upper pressing plate and the lower pressing plate, and the semicircular holes are connected with the silica gel sheet.
8. The screw holder special for cranial neurosurgery according to claim 1, wherein: the upper pressing plate and the lower pressing plate are respectively provided with two sliding strips, two sliding grooves are formed in two ends of the shell and are connected in a matched mode, the sliding strips and the sliding grooves are metal alloy components, and the distance between the two sliding grooves is 5 mm-15 mm.
9. The screw holder special for cranial neurosurgery according to claim 1, wherein: the upper pressure plate is connected with the inner wall of the shell through two upper pressure springs, the lower pressure plate is connected with the inner wall of the shell through two lower pressure springs, and the two upper pressure springs and the two lower pressure springs are respectively arranged at two ends of the upper pressure plate and the lower pressure plate.
10. The screw holder special for cranial neurosurgery according to claim 1, wherein: the upper pressing plate and the lower pressing plate are plastic plates, the thickness of the upper pressing plate and the thickness of the lower pressing plate are smaller than the length of the screw, sliding strips are arranged on two sides of the upper pressing plate and two sides of the lower pressing plate, and buffer rubber pads are arranged at two ends of the sliding strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110684424.4A CN113229924A (en) | 2021-06-21 | 2021-06-21 | Special screw holder of cranial nerve surgical operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110684424.4A CN113229924A (en) | 2021-06-21 | 2021-06-21 | Special screw holder of cranial nerve surgical operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113229924A true CN113229924A (en) | 2021-08-10 |
Family
ID=77140391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110684424.4A Withdrawn CN113229924A (en) | 2021-06-21 | 2021-06-21 | Special screw holder of cranial nerve surgical operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113229924A (en) |
-
2021
- 2021-06-21 CN CN202110684424.4A patent/CN113229924A/en not_active Withdrawn
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Application publication date: 20210810 |