CN114557852B - Head fixing and nursing bracket for neurosurgery operation - Google Patents
Head fixing and nursing bracket for neurosurgery operation Download PDFInfo
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- CN114557852B CN114557852B CN202210098139.9A CN202210098139A CN114557852B CN 114557852 B CN114557852 B CN 114557852B CN 202210098139 A CN202210098139 A CN 202210098139A CN 114557852 B CN114557852 B CN 114557852B
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- 230000000474 nursing effect Effects 0.000 title claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims description 6
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 210000003128 head Anatomy 0.000 description 54
- 210000004761 scalp Anatomy 0.000 description 8
- 230000006978 adaptation Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 208000003174 Brain Neoplasms Diseases 0.000 description 1
- 208000014644 Brain disease Diseases 0.000 description 1
- 206010008111 Cerebral haemorrhage Diseases 0.000 description 1
- 208000029033 Spinal Cord disease Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000030886 Traumatic Brain injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
- A61G13/121—Head or neck
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- Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention provides a head fixing and nursing bracket for neurosurgery, which comprises a base, wherein the bottom of the base is connected with an adjusting arm through a supporting plate, two sides of the upper end of the base are provided with a first bracket and a second bracket which are symmetrical, the upper end of the first bracket is provided with a first horizontal adjusting rod which penetrates through the upper end of the first bracket along the horizontal direction of the first bracket, one end of the first horizontal adjusting rod is fixedly connected with a first mounting seat, a first positioning piece is arranged on the first mounting seat, the upper end of the second bracket is provided with a second horizontal adjusting rod which penetrates through the upper end of the second bracket along the horizontal direction of the second bracket, one end of the second horizontal adjusting rod is fixedly supported by the second mounting seat, and the mounting seat is provided with a second positioning piece which is used for fixing the head of a patient through the first positioning piece and the second positioning piece.
Description
Technical Field
The invention belongs to the technical field of turbines, and particularly relates to a head fixing and nursing bracket for neurosurgery.
Background
Neurosurgery is mainly used for treating brain and spinal cord diseases caused by trauma, such as life-threatening cerebral hemorrhage, brain trauma caused by car accidents, or brain tumor compression requiring operation treatment; when the human craniocerebral operation is performed, a head bracket capable of adjusting the head part of the human body is needed to meet the requirements of doctors when the human craniocerebral operation is performed; because the head circumference of every patient is different, when the head is placed on the head support, can not make the head fix completely, and the steadiness of head support is relatively poor, when receiving external impact force, can lead to the head of patient to receive the striking, can increase doctor's the degree of difficulty when operating the operation.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the invention provides the head fixing and nursing bracket for neurosurgery, which has the advantages of simple structure, reasonable design and convenient use, can perform proper adjustment according to the head circumference of a patient, limit and fix the head of the patient, can reduce the external impact force, protect the head of the patient and is convenient for doctors to operate.
The invention adopts the technical scheme that:
the utility model provides a bracket of head fixation and nursing for neurosurgery, includes the base, the base bottom is connected with the regulating arm through the backup pad, base upper end both sides are provided with symmetrical first support and second support, first support upper end is provided with the first level regulation pole that runs through along its horizontal direction, the one end fixedly connected with first mount pad of first level regulation pole, be provided with first setting element on the first mount pad, second support upper end is provided with the second level regulation pole that runs through along its horizontal direction, the one end fixed bolster of second level regulation pole, articulated second mount pad that has on the support, be provided with the second setting element on the mount pad, fix patient's head through first setting element and second setting element.
Preferably, the outer side walls of the first support and the second support are respectively provided with symmetrical fixing seats, the two fixing seats are integrally formed with the first support and the second support respectively, the first horizontal adjusting rod and the second horizontal adjusting rod penetrate through the through holes in the fixing seats, the fixing seats are provided with limiting pieces, the first horizontal adjusting rod and the second horizontal adjusting rod are provided with a plurality of limiting grooves, and the limiting pieces are clamped into the limiting grooves to limit the first horizontal adjusting rod or the second horizontal adjusting rod.
Preferably, the limiting part comprises barbs, symmetrical adapting grooves are formed in the upper inner wall and the lower inner wall of the through hole, the barbs are provided with two adapting grooves which are respectively located, the horizontal part of each barb is fixed on the inner wall of one end of each adapting groove, a movable groove communicated with each adapting groove is further formed in the outer wall of the fixing base, a first supporting rod is arranged on the back of each barb, the first supporting rod can move in each movable groove and is hinged to one end of each second supporting rod at the far end of each movable groove, and the other end of each second supporting rod is hinged to an adjusting ring arranged on the outer wall of the fixing base.
Preferably, a spring hook piece is arranged on the inner wall of the limit groove, a hook groove which is matched with the spring hook piece is arranged in front of the barb, and the bending direction of the spring hook piece faces to the first horizontal adjusting rod or the second horizontal adjusting rod.
Preferably, the second mount pad is an arc, the second setting element is provided with two and is located the both ends of arc respectively, the structure of first setting element and second setting element is the same, in the second setting element, it includes screw fixation head and rotary drum, the arc has outside-in to set gradually mounting groove, regulation chamber and holding tank, holding tank inner wall and regulation chamber intercommunication, mounting groove lateral wall and regulation chamber intercommunication, screw fixation head is located the regulation chamber, the rotary drum is located the mounting groove, the rotary drum inner bottom wall is provided with the center pin, the center pin is connected with the bearing on the mounting groove diapire, the rotary drum is provided with the heliciform guide slot along its outer wall, be provided with the guide block on the screw fixation head inner lateral wall, the guide block is located the guide slot.
Preferably, a round rod is arranged on the outer wall of the rotary cylinder, a cover plate for sealing the mounting groove is further arranged on the outer wall of the arc-shaped plate, and the round rod penetrates through the cover plate and a rotating handle is arranged at the far end of the round rod.
Preferably, the inner end surface of the screw fixing head is provided with a horn seat, and the far end of the screw is in threaded connection with the inside of the horn seat.
Preferably, the center of the upper end face of the base is provided with a hydraulic rod, the movable end of the hydraulic rod is connected with an arc-shaped clamping plate, and a layer of rubber pad is arranged inside the arc-shaped clamping plate.
Preferably, the both sides of base up end are provided with symmetrical recess, all be provided with the threaded rod in the recess, threaded rod one end is connected with the recess inside wall rotation, and its other end hangs and wears out the base outside and be connected with the handle, the bottom of first support and second support is overlapped respectively and is established on two threaded rods.
Preferably, the bottom wall is provided with the slide rail in the recess, first support and second support bottom are provided with the spout with slide rail matched with, be provided with symmetrical ball groove on two inside walls of spout, be provided with the ball in the ball groove, 1/3 volume of ball is located the spout, be provided with the arc wall on the lateral wall of slide rail, the arc wall cooperatees with the ball outer wall, the inside center department of arc wall is provided with spherical protruding, spherical protruding and ball rolling contact.
The invention has the beneficial effects that:
1. the invention designs that the first bracket and the second bracket are in threaded connection with the threaded rod at the bottom, the distance between the first bracket and the second bracket can be adjusted through rotating the threaded rod, so that the invention is suitable for head circumference of different patients, the bottoms of the first bracket and the second bracket are additionally provided with sliding grooves, two inner side walls of the sliding grooves are provided with movable balls, sliding rails are arranged on the inner bottom wall of the groove on the base corresponding to the sliding grooves, arc grooves are arranged on the two side walls of the sliding rails and matched with the outer walls of the balls, and spherical protrusions are arranged at the inner center of the arc grooves and are in rolling contact with the balls.
2. According to the invention, the first mounting seat and the second mounting seat are respectively arranged in the left-right direction of the head of a patient, the first positioning piece and the second positioning piece are respectively arranged on the first mounting seat and the second mounting seat, the head of the patient is fixed by utilizing the first positioning piece and the second positioning piece, the traditional fixing mode is to drive the head of the patient by using the screw to fix, but the screw fixing mode has the defect that the fixing depth is not well grasped, the common screw fixing mode is changed, the screw fixing head is driven by the rotation of the rotary drum to approach the head of the patient along the direction perpendicular to the head of the patient, the screw fixed at the end part of the screw fixing head is driven into the head of the patient to fix, and the moving depth of the screw fixing head is controllable because the screw fixing head is limited by the adjusting cavity, so that the screw driving is not too deep, secondary injury to the patient is caused, or the driving is too shallow, and the fixing purpose is not realized. In addition, the end part of the screw fixing head is provided with the horn seat, the distal end of the screw is fixed in the horn seat, and when the horn seat is clung to the scalp of a patient, the screw can not go deep again.
3. According to the invention, the horizontal adjusting rod is improved, after the first bracket and the second bracket are primarily adjusted, the first mounting seat and the second mounting seat are accurately adjusted by utilizing the horizontal adjusting rod, the first mounting seat and the second mounting seat are close to the scalp of a patient by pushing the first horizontal adjusting rod and the second horizontal adjusting rod, after the adjustment is proper, the first horizontal adjusting rod and the second horizontal adjusting rod are limited by utilizing the locating piece, so that the first horizontal adjusting rod and the second horizontal adjusting rod are prevented from shifting when the screw is screwed in, and the screw fixing effect is prevented from being influenced. The locating part then comprises adjusting ring, first branch, second branch, barb, is provided with the adaptation groove on the inside wall of the inside perforation of drum, and the barb is located the adaptation inslot and its horizontal part is close to the one end inner wall connection of support with the adaptation groove to be provided with the spacing groove on the outer wall of first level regulation pole or second level regulation pole, when needs carry out spacing to first level regulation pole or second level regulation pole, then stir adjusting ring along drum outside to the outer tube, under the cooperation of first branch and second branch, the slope card of barb realizes spacing in the spacing groove. In order to avoid the condition that first level regulation pole or second level regulation pole moved backward or forward under the exogenic action, increased the secondary and spacing, set up spring hook piece at spacing inslot wall, spring hook piece adopts spring steel to set up in spring hook piece matched with hook groove in the front of barb, when the barb card was gone into spacing inslot, spring hook piece card was gone into in the hook inslot, and its crooked direction orientation level regulation pole's direction, then avoided first level regulation pole or second level regulation pole to move backward or forward the condition, it is more firm to spacing.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a head fixation and care cradle for neurosurgery according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a state diagram of bitmap 2 in an adjusted state;
FIG. 4 is an enlarged view at B in FIG. 1;
fig. 5 is a partial side sectional view of the first bracket or the second bracket connected to the threaded rod.
The reference numerals are as follows:
1. a support plate; 2. a base; 201. a groove; 3. a first bracket; 4. a second bracket; 5. a first horizontal adjustment lever; 6. a second horizontal adjustment lever; 601. a limit groove; 7. a first mount; 8. a second mounting base; 9. a second positioning member; 901. a rotary drum; 9011. a spiral guide groove; 902. a screw fixing head; 9021. a guide block; 903. a speaker seat; 904. a screw; 905. a central shaft; 906. a bearing; 907. a round bar; 908. a cover plate; 909. a rotating handle; 10. a support; 11. a cylinder; 1101. perforating; 1102. an adaptation groove; 1103. a movable groove; 12. an adjusting ring; 13. a threaded rod; 14. a slide rail; 1401. an arc-shaped groove; 1402. spherical protrusions; 15. a hydraulic rod; 16. an arc-shaped clamping plate; 17. a handle; 18. a barb; 1801. a hook groove; 19. a first strut; 20. a second strut; 21. a spring hook piece; 22. a chute; 23. and (3) rolling balls.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
The embodiment provides a head fixing and nursing bracket for neurosurgery, as shown in fig. 1, the support comprises a base 2, the bottom of the base 2 is connected with an adjusting arm (by adopting a conventional mechanical arm) through a supporting plate 1, a first support 3 and a second support 4 which are symmetrical are arranged on two sides of the upper end of the base 2, a first horizontal adjusting rod 5 penetrating through the upper end of the first support 3 in the horizontal direction is arranged at the upper end of the first support 3, a first mounting seat 7 is fixedly connected with one end of the first horizontal adjusting rod 5, a first positioning piece is arranged on the first mounting seat 7, a second horizontal adjusting rod 6 penetrating through the upper end of the second support 4 in the horizontal direction is arranged at the upper end of the second support, a second mounting seat 8 is hinged to the support 10, a second positioning piece 9 is arranged on the mounting seat, and the head of a patient is fixed through the first positioning piece and the second positioning piece 9.
Specifically, the center department of the up end of base 2 is provided with hydraulic stem 15, be connected with arc cardboard 16 on the movable end of hydraulic stem 15, the inside one deck rubber pad that is provided with of arc cardboard 16. The arc-shaped clamping plate 16 can be of an elastic steel plate structure or a plastic structure, the curvature can be adjusted according to the head circumference of a patient, and the arc-shaped clamping plate can be attached to the skin of the patient to preliminarily fix the head of the patient.
In this embodiment, as shown in fig. 1, symmetrical grooves 201 are formed on two sides of the upper end face of the base 2, threaded rods 13 are respectively disposed in the grooves 201, one end of each threaded rod 13 is rotatably connected with the inner side wall of each groove 201, the other end of each threaded rod is hung out of the outer side of the base 2 and is connected with a handle 17, and bottoms of the first bracket 3 and the second bracket 4 are respectively sleeved on the two threaded rods 13. Can adjust the interval between first support 3 and the second support 4 through rotatory threaded rod 13 to be applicable to the head circumference of different patients, wait that the setting element is fixed the back to patient's head, then hydraulic rod 15 descends, and arc cardboard 16 breaks away from patient's scalp, and patient's head is in unsettled state, and realizes fixing by first setting element and low temperature setting element, and the patient's head of being convenient for fully exposes, is favorable to the operation to go on smoothly.
As shown in fig. 5, a sliding rail 14 is arranged on the inner bottom wall of the groove 201, sliding grooves 22 matched with the sliding rail 14 are arranged at the bottoms of the first bracket 3 and the second bracket 4, symmetrical spherical grooves are arranged on two inner side walls of the sliding grooves 22, balls 23 are arranged in the spherical grooves, 1/3 volume of each ball 23 is located in the corresponding sliding groove 22, an arc-shaped groove 1401 is arranged on the side wall of the sliding rail 14, the arc-shaped groove 1401 is matched with the outer wall of each ball 23, a spherical protrusion 1402 is arranged at the center of the inner part of each arc-shaped groove 1401, and the spherical protrusions 1402 are in rolling contact with the corresponding balls 23. The rolling contact of the ball 23 and the spherical protrusion 1402 converts the sliding contact of the slide rail 14 and the slide groove 22 into point contact, thereby reducing friction resistance and improving the smoothness of the adjustment of the first bracket 3 and the second bracket 4.
In this embodiment, the lateral walls of the first support 3 and the second support 4 are provided with symmetrical fixing seats, the two fixing seats are respectively integrally formed with the first support 3 and the second support 4, the first level adjusting rod 5 and the second level adjusting rod 6 penetrate through the through holes 1101 on the fixing seats, limiting pieces are arranged on the fixing seats, a plurality of limiting grooves 601 are formed in the first level adjusting rod 5 and the second level adjusting rod 6, and the limiting pieces are clamped into the limiting grooves 601 to limit the first level adjusting rod 5 or the second level adjusting rod 6.
In this embodiment, as shown in fig. 2 and fig. 3, the limiting member includes a barb 18, the upper and lower inner walls of the perforation 1101 are provided with symmetrical adapting grooves 1102, the barb 18 is provided with two adapting grooves 1102 respectively, the horizontal portion of the barb 18 is fixed on the inner wall of one end of the adapting groove 1102, the outer wall of the fixing base is further provided with a movable groove 1103 communicated with the adapting groove 1102, the back of the barb 18 is provided with a first supporting rod 19, the first supporting rod 19 can move in the movable groove 1103 and the distal end of the first supporting rod is hinged with one end of a second supporting rod 20, and the other end of the second supporting rod 20 is hinged with an adjusting ring arranged on the outer wall of the fixing base.
After preliminary adjustment of the first support 3 and the second support 4, the first installation seat 7 and the second installation seat 8 are adjusted accurately by utilizing the horizontal adjusting rod, the first installation seat 7 and the second installation seat 8 are close to the scalp of a patient by pushing the first horizontal adjusting rod 5 and the second horizontal adjusting rod 6, after adjustment is proper, the first horizontal adjusting rod 5 and the second horizontal adjusting rod 6 are limited by utilizing the locating piece, and the first horizontal adjusting rod 5 and the second horizontal adjusting rod 6 are prevented from shifting when screws are screwed in, so that the screw fixing effect is affected.
The specific positioning process is as follows: when the first level adjusting rod 5 or the second level adjusting rod 6 is required to be limited, the adjusting ring 12 is shifted along the cylinder 11 to the outer side of the outer cylinder, and the inclined part of the barb 18 is clamped into the limiting groove 601 to realize limiting under the cooperation of the first supporting rod 19 and the second supporting rod 20. In order to avoid the condition that the first horizontal adjusting rod 5 or the second horizontal adjusting rod 6 moves backwards or forwards under the action of external force, secondary limiting is added, a spring hook piece 21 is arranged on the inner wall of the limiting groove 601, the spring hook piece 21 is made of spring steel, a hook groove 1801 matched with the spring hook piece 21 is arranged in front of the barb 18, when the barb 18 is clamped into the limiting groove 601, the spring hook piece 21 is clamped into the hook groove 1801, the bending direction of the spring hook piece faces the direction of the horizontal adjusting rod, the condition that the first horizontal adjusting rod 5 or the second horizontal adjusting rod 6 moves backwards or forwards is avoided, and limiting is firmer.
Example 2
The first positioning piece and the second positioning piece 9 are improved on the basis of embodiment 1, in this embodiment, the second mounting seat 8 is an arc plate, the second positioning piece 9 is provided with two arc plates and is respectively located at two ends of the arc plate, the structures of the first positioning piece and the second positioning piece 9 are the same, as shown in fig. 4, in the second positioning piece 9, the second positioning piece 9 comprises a screw fixing head 902 and a rotary cylinder 901, a mounting groove, an adjusting cavity and a containing groove are sequentially formed in the arc plate, the inner wall of the containing groove is communicated with the adjusting cavity, the side wall of the mounting groove is communicated with the adjusting cavity, the screw fixing head 902 is located in the adjusting cavity, the rotary cylinder 901 is located in the mounting groove, a central shaft 905 is arranged on the inner bottom wall of the rotary cylinder 901 and is connected with a bearing 906 on the bottom wall of the mounting groove, a cover plate 908 sealing the mounting groove is further arranged on the outer wall of the rotary cylinder 901, the cover plate 908 penetrates through the outer end of the cover plate, the inner end of the rotary cylinder is provided with a guide block 21, and the screw fixing head 902 is located on the outer end wall of the rotary cylinder 901 and is provided with a guide groove 9021.
The traditional fixing mode adopts a screw to be driven into the head of a patient to realize fixing, but the defect of the screw fixing mode is that the fixing depth is not well grasped, the invention changes the common screw fixing mode, the screw fixing head 902 is driven by the rotation of the rotary drum 901 to approach the head of the patient along the direction vertical to the head of the patient, the screw with the fixed end part is driven into the head of the patient to realize fixing, and the movable depth of the screw fixing head 902 is controllable because the screw fixing head 902 is limited by the adjusting cavity, thus the secondary damage to the patient caused by the too deep driving of the screw can not occur, or the fixing purpose is realized by the too shallow driving.
In this embodiment, a speaker seat 903 is disposed on the inner end surface of the screw fixing head 902, the distal end of the screw is screwed into the speaker seat 903, and when the speaker seat 903 is tightly attached to the scalp of the patient, the screw will not go deep. Thereby controlling the screw driving depth, improving the screw fixing precision and avoiding secondary injury to patients.
The fixing process is as follows: when the operator manually rotates the rotating handle 909 and the guide block 9021 moves in the spiral guide groove 9011, the traction screw fixing head 902 moves in the adjusting cavity, the horn seat 903 approaches the scalp of the patient, meanwhile, the pressing screw is inserted into the scalp of the patient until the pressing screw is fixed on the skull, and at the moment, the horn seat 903 is next to the scalp of the patient and does not move forward any more, so that the fixation is completed.
The foregoing is merely illustrative of the present invention and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a support that head is fixed and nursing for neurosurgery, includes the base, the base bottom is connected with the regulating arm through the backup pad, its characterized in that, base upper end both sides are provided with symmetrical first support and second support, first support upper end is provided with the first horizontal regulation pole that runs through along its horizontal direction, the one end fixedly connected with first mount pad of first horizontal regulation pole, be provided with first setting element on the first mount pad, second support upper end is provided with the second horizontal regulation pole that runs through along its horizontal direction, the one end fixed bolster of second horizontal regulation pole, articulated on the support have the second mount pad, be provided with the second setting element on the mount pad, fix patient's head through first setting element and second setting element;
symmetrical fixing seats are arranged on the outer side walls of the first support and the second support, the two fixing seats are integrally formed with the first support and the second support respectively, the first horizontal adjusting rod and the second horizontal adjusting rod penetrate through holes in the fixing seats, limiting pieces are arranged on the fixing seats, a plurality of limiting grooves are formed in the first horizontal adjusting rod and the second horizontal adjusting rod, and the limiting pieces are clamped into the limiting grooves to limit the first horizontal adjusting rod or the second horizontal adjusting rod;
the limiting piece comprises barbs, symmetrical adapting grooves are formed in the upper inner wall and the lower inner wall of the through hole, the barbs are provided with two adapting grooves which are respectively positioned in the two adapting grooves, the horizontal parts of the barbs are fixed on the inner wall of one end of each adapting groove, the outer wall of the fixing seat is also provided with a movable groove communicated with each adapting groove, the back surface of each barb is provided with a first supporting rod, the first supporting rod can move in each movable groove, the far end of each first supporting rod is hinged with one end of each second supporting rod, and the other end of each second supporting rod is hinged with an adjusting ring arranged on the outer wall of the fixing seat;
the inner wall of the limit groove is provided with a spring hook piece, the front of the barb is provided with a hook groove matched with the spring hook piece, and the bending direction of the spring hook piece faces to the first horizontal adjusting rod or the second horizontal adjusting rod;
the specific positioning process is as follows: when the first horizontal adjusting rod or the second horizontal adjusting rod is required to be limited, the adjusting ring is shifted along the cylinder to the outer side of the outer cylinder, and the inclined part of the barb 18 is clamped into the limiting groove to realize limiting under the cooperation of the first supporting rod and the second supporting rod; in order to avoid the situation that the first horizontal adjusting rod or the second horizontal adjusting rod moves backwards or forwards under the action of external force, a spring hook piece is arranged on the inner wall of the limiting groove, the spring hook piece is made of spring steel, and is arranged in a hook groove matched with the spring hook piece in front of the barb;
the second mount pad is an arc, the second setting element is provided with two and is located the both ends of arc respectively, the structure of first setting element and second setting element is the same, in the second setting element, and it includes screw fixation head and rotary drum, the arc has outside-in set gradually mounting groove, regulation chamber and holding tank, holding tank inner wall and regulation chamber intercommunication, mounting groove lateral wall and regulation chamber intercommunication, screw fixation head is located the regulation chamber, the rotary drum is located the mounting groove, the rotary drum inner bottom wall is provided with the center pin, the center pin is connected with the bearing on the mounting groove diapire, the rotary drum is provided with the heliciform guide slot along its outer wall, be provided with the guide block on the screw fixation head inner lateral wall, the guide block is located the guide slot.
2. The head fixing and nursing bracket for neurosurgery according to claim 1, wherein a round rod is arranged on the outer wall of the rotary cylinder, a cover plate for sealing the mounting groove is further arranged on the outer wall of the arc-shaped plate, and the round rod penetrates through the cover plate and a rotating handle is arranged at the far end of the round rod.
3. The head fixing and nursing bracket for neurosurgery according to claim 1, wherein the inner end surface of the screw fixing head is provided with a horn seat, and the distal end of the screw is in threaded connection with the inside of the horn seat.
4. The head fixing and nursing bracket for neurosurgery according to claim 1, wherein a hydraulic rod is arranged in the center of the upper end face of the base, an arc-shaped clamping plate is connected to the movable end of the hydraulic rod, and a rubber pad is arranged inside the arc-shaped clamping plate.
5. The head fixing and nursing bracket for neurosurgery according to claim 1, wherein symmetrical grooves are formed in two sides of the upper end face of the base, threaded rods are arranged in the grooves, one ends of the threaded rods are rotatably connected with the inner side walls of the grooves, the other ends of the threaded rods are hung out of the outer side of the base and connected with handles, and bottoms of the first support and the second support are respectively sleeved on the two threaded rods.
6. The head fixing and nursing bracket for neurosurgery according to claim 5, wherein a sliding rail is arranged on the bottom wall in the groove, sliding grooves matched with the sliding rail are arranged at the bottoms of the first bracket and the second bracket, symmetrical ball grooves are arranged on two inner side walls of the sliding groove, balls are arranged in the ball grooves, 1/3 volume of the balls are positioned in the sliding groove, arc grooves are arranged on the side walls of the sliding rail, the arc grooves are matched with the outer walls of the balls, spherical protrusions are arranged at the inner centers of the arc grooves, and the spherical protrusions are in rolling contact with the balls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210098139.9A CN114557852B (en) | 2022-01-27 | 2022-01-27 | Head fixing and nursing bracket for neurosurgery operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210098139.9A CN114557852B (en) | 2022-01-27 | 2022-01-27 | Head fixing and nursing bracket for neurosurgery operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114557852A CN114557852A (en) | 2022-05-31 |
| CN114557852B true CN114557852B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210098139.9A Active CN114557852B (en) | 2022-01-27 | 2022-01-27 | Head fixing and nursing bracket for neurosurgery operation |
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| CN (1) | CN114557852B (en) |
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| CN107468477A (en) * | 2017-09-11 | 2017-12-15 | 崔林 | A kind of cerebral surgery operation head fixing device |
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| DE19841250C1 (en) * | 1998-09-09 | 2000-02-10 | Aesculap Ag & Co Kg | Head clamp for fixing patient's head e.g. for intro-operative X-ray diagnostics, has relatively pivoted frame elements secured in selected pivot position by ratchet element and co-operating ratchet disc |
| US20190053871A1 (en) * | 2017-08-15 | 2019-02-21 | Pro Med Instruments Gmbh | Head stabilization system and method with arc features |
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