CN114271955A - Head fixing device for neurosurgery operation - Google Patents
Head fixing device for neurosurgery operation Download PDFInfo
- Publication number
- CN114271955A CN114271955A CN202111617474.7A CN202111617474A CN114271955A CN 114271955 A CN114271955 A CN 114271955A CN 202111617474 A CN202111617474 A CN 202111617474A CN 114271955 A CN114271955 A CN 114271955A
- Authority
- CN
- China
- Prior art keywords
- head
- shaft
- positioning
- fixation
- disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention belongs to the field of medical equipment, and provides a head fixing device for neurosurgery, which comprises a fixing seat, wherein a head supporting plate is vertically and slidably installed on the fixing seat, and head fixing plates are respectively and slidably installed at two ends of the head supporting plate; the first screw vertically penetrates through the whole fixed seat; a second shaft is rotatably arranged at two ends of the head supporting plate, a driving thread is arranged at one end of the second shaft, which is far away from the first screw rod, and the driving thread drives the matched head fixing plate to move; the device also comprises a first selection device, wherein the first selection device enables the first screw rod to drive the head fixing plate to move through the second shaft when the head of the patient is not fixed, and the first screw rod drives the head supporting plate to move after the head of the patient is fixed; the invention provides a head fixing device for neurosurgery, which can adjust the height of the head of a patient.
Description
Technical Field
The invention belongs to the field of medical equipment, and particularly relates to a head fixing device for neurosurgery.
Background
CN113288698A discloses a multifunctional head supporting and fixing device for neurosurgery, which comprises a fixing seat, wherein an adjusting structure is mounted on the fixing seat; the adjustment structure includes: the device comprises a frame, a threaded rod, a rocking handle, an adjusting part and a supporting part; the frame is arranged at the upper end of the fixed seat, the threaded rod is screwed in the fixed seat and the middle part of the frame, and the rocking handle is fixedly arranged at the lower end of the threaded rod; the head restraint has no means for height adjustment during use.
Disclosure of Invention
Aiming at the above situation, in order to overcome the defects of the prior art; the invention provides a head fixing device for neurosurgery, which can adjust the height of the head of a patient.
In order to achieve the purpose, the invention provides the following technical scheme: the head fixing device for the neurosurgery is characterized by comprising a fixing seat, wherein a head supporting plate is vertically and slidably installed on the fixing seat, and head fixing plates are respectively and slidably installed at two ends of the head supporting plate; the first screw vertically penetrates through the whole fixed seat;
a second shaft is rotatably arranged at two ends of the head supporting plate, a driving thread is arranged at one end of the second shaft, which is far away from the first screw rod, and the driving thread drives the matched head fixing plate to move;
the device also comprises a first selection device, wherein the first selection device enables the first screw rod to drive the head fixing plate to move through the second shaft when the head of the patient is not fixed, and the first screw rod drives the head supporting plate to move after the head of the patient is fixed.
Preferably, the first selecting device comprises a first screw thread installed on a third shaft, the first screw has a self-locking function, the third shaft is axially slidably provided with a fourth shaft, the fourth shaft faces to one end of the fixing seat and is fixedly provided with a first bevel gear, the first bevel gear is meshed with a second bevel gear fixedly installed on a second shaft and is also fixedly provided with a second shaft, the first selecting device further comprises a first fixing device, the first fixing device enables the third shaft and the first screw to be fixed, the first screw drives the fourth shaft to rotate, and when the third shaft and the fixing seat are fixed, the first screw drives the fixing seat to move.
Preferably, first fixing device include with third axle is with axle center slidable mounting's first fixed disc, first fixed disc is radial slidable mounting has first locating pin, vertical interval is provided with second locating hole and third locating hole on the third axle, first fixed disc with be provided with first positioner between the fixing base, first fixed disc with be provided with second positioner between the first screw rod, first locating pin inserts when the third locating hole, second positioner makes first fixed disc with the fixing base is fixed, when first locating pin inserts the second locating hole, second positioner makes first fixed disc with first screw rod is fixed.
Preferably, the first positioning device comprises a first positioning disc fixedly mounted on the lower end face of the fixed seat, and the first fixing disc is connected with a second positioning disc matched with the first positioning disc through a second elastic piece.
Preferably, the first positioning device comprises a first positioning disc fixedly mounted on the lower end face of the fixed seat, a plurality of protrusions are arranged on the lower end face of the first positioning disc, a groove is formed in the upper end face of the first positioning disc, the protrusions are inserted into the grooves, and the third shaft and the fixed seat are fixed.
Preferably, the second positioning device comprises a first positioning block which is radially and slidably mounted on the third shaft, one end of the first positioning block, which is far away from the first screw rod, is connected with a second positioning block through a third elastic element, and the inner circumferential surface of the first fixed disc is provided with a first inclined surface, so that the force generated between the first inclined surface and the second positioning block can drive the second positioning block to move.
Preferably, a first elastic member is disposed between the first positioning pin and the first fixed disk.
Preferably, the protrusions and the grooves are arranged in a circumferential array and have an axial center coaxial with the third axis.
Preferably, a first accommodating groove is formed in the inner circumference of the lower end of the third shaft, and the first positioning block slides in the first accommodating groove.
Preferably, the head fixing plate is fixedly provided with a first shaft which is slidably mounted on the head supporting plate, and the second shaft drives the first shaft through a first transition plate.
The invention has the beneficial effects that:
1. thereby make the patient after the head is fixed through setting up fixing base, head backup pad, second shaft, first screw rod and first selection device, thereby make through first selection device and rotate first screw rod and remove the head backup pad, and then adjust the height of patient's head to make patient's head be in suitable position at whole in-process.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a view showing the positional relationship of the first screw, the third shaft and the fourth shaft in accordance with the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic structural view of a first positioning device and a second positioning device of the present invention;
FIG. 5 is a partial enlarged view of B in FIG. 4;
fig. 6 is a partially enlarged view of C in fig. 4.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 6, wherein the structural matters mentioned in the following embodiments are all referred to in the accompanying drawings, and the present invention will be described with reference to the accompanying drawings.
First embodiment, referring to fig. 1, the present invention includes a fixing base 1, the fixing base 1 is a medical bed, the fixing base 1 may also be a fixing plate, when it is used, the fixing base 1 is fixed on the medical bed, a first screw rod 4 penetrates the whole fixing base 1, for the convenience of the operation of medical staff, a hand wheel is fixedly installed at one end of the first screw rod 4 facing the ground, and a head support plate 2 is vertically and slidably installed on the fixing base 1, the shape of the head support plate 2 is preferably arc, the head support plate 2 is made of medical material because the head support plate 2 contacts with the head of a patient, in order to make the head of the patient feel comfortable, a layer of soft material, such as a sponge cushion, is disposed at one end of the head support plate 2 contacting with the head of the patient, the medical staff rotates the hand wheel to make one end of the first screw rod 4 contact with the lower end face of the head support plate 2, and further rotates the hand wheel, the head support plate 2 is driven to move upward so as to adjust the position of the patient's head so that the patient's head is in a proper position.
Symmetrical first fixing plates are fixedly installed at two ends of a head supporting plate 2, the head supporting plate 2 divides the first supporting plate into two parts, namely an upper first fixing plate and a lower first fixing plate, a first shaft 18 is installed on the upper first fixing plate in a transverse sliding mode, the first shaft 18 can be in a circular, rectangular or polygonal prism shape, a head fixing plate 3 is fixedly installed at one end, facing a first screw rod 4, of the first shaft 18, the head fixing plate 3 is made of medical materials, a layer of sponge cushion is arranged at one end, facing the head support, of the head fixing plate 3, a second shaft 5 is installed on the lower first fixing plate in a rotating mode, a driving thread is arranged at one end, away from the first screw rod 4, of the second shaft 5, a first transition block is matched with the driving thread, the first transition block and the second shaft 5 are fixedly installed, the first screw rod 4 rotates to drive the driving thread to rotate, and the driving thread enables the first transition block to move towards the direction close to the first screw rod 4, the first transition block moves the first head fixing plate 3 towards the direction close to the central line of the first screw rod 4 through the first shaft 18 until the head fixing plate 3 contacts the head of the patient, and the head fixing plate 3 and the head supporting plate 2 are matched to fix the head of the patient.
The invention also comprises a first selection device, the function of the first selection device is that when the head of the patient is not fixed, the hand wheel is rotated, the hand wheel drives the symmetrical head fixing plate 3 to move towards the center through the first screw rod 4, after the head of the patient is fixed, the hand wheel is rotated, the hand wheel enables the first screw rod 4 to rotate, and the first screw rod 4 drives the head supporting plate 2 to move, so that the position of the head of the patient is moved.
The whole movement process of the invention is as follows: the hand wheel is rotated, the first screw rod 4 is rotationally driven to rotate, the first screw rod 4 drives the second shaft 5 to rotate through the first selection device, the second shaft 5 rotates to drive the driving screw thread to rotate, the driving screw thread rotates to drive the first transition block to move, the first transition block drives the first shaft 18 to move, the first shaft 18 moves to drive the head fixing plate 3 to move towards the direction close to the center of the first screw rod 4 until the head fixing plate 3 is contacted with the head of a patient, at the moment, the head supporting plate 2 and the head fixing plate 3 are matched to fix the head fixing plate 3 of the patient, then medical personnel need to adjust the height of the head of the patient, then the hand wheel is rotated to drive the first screw rod 4 to rotate, the first screw rod 4 drives the head supporting plate 2 to move upwards through the first selection device until the head fixing plate reaches the proper height, and because the first screw rod 4 has a self-locking effect, the head supporting plate 2 cannot drive the first screw rod 4 to rotate, so that the head support plate 2 can not move in the whole operation process and can be kept fixed, thereby ensuring the successful operation of the patient.
Referring to fig. 2, the first selecting means includes a third shaft 6 rotatably mounted on the fixed base 1, a fourth shaft 7 axially slidably mounted on the outer circumference of the third shaft 6, in other words, the third shaft 6 rotates to drive the fourth shaft 7 to rotate coaxially, but the fourth shaft 7 can slide along the axial direction of the third shaft 6, a first bevel gear 8 coaxially and fixedly mounted on the outer circumference of the fourth shaft 7, the first bevel gear 8 is engaged with a second bevel gear fixedly mounted coaxially with the second shaft 5, the fixing plate moves vertically throughout the process of fixing the patient, so in order to ensure the engagement of the first bevel gear 8 and the constant engagement, thereby ensuring the transmission of the whole power, the first bevel gear 8 is rotatably mounted under the fixing plate, as shown in fig. 1, a first C-shaped frame is fixedly mounted under the fixing plate, the first bevel gear 8 is rotatably mounted with an intermediate plate in the first C-shaped frame, the first bevel gear 8 may be rotatably mounted under the fixed plate in any manner known in the art.
The inner circumferential surface of the third shaft 6 is provided with a rotating thread, the rotating thread is matched with the thread on the outer circumferential surface of the first screw rod 4, the lead angle of the rotating thread is smaller than the equivalent friction angle, the first selection device also comprises a first fixing device, when the third shaft 6 and the first screw rod 4 are fixed by the first fixing device, the first screw rod 4 and the third shaft 6 are integrated, a hand wheel is rotated, at the moment, the first screw rod 4 rotates to drive the third shaft 6 to rotate, the third shaft 6 rotates to drive the second shaft 5 to rotate through the first bevel gear 8 and the second bevel gear, the second shaft 5 rotates to drive the head fixing block to move towards the direction close to the central line of the first screw rod 4 through the first transition block and the first shaft 18, so as to fix the head of a patient, then the first fixing device enables the third shaft 6 and the fixing seat 1 to be fixed, the rotating thread on the third shaft 6 is equivalent to a nut fixed on the fixing seat 1 in the moment, the hand wheel is rotated, at the moment, the first screw rod 4 is rotated in a threaded mode, the first screw rod 4 drives the fixing seat 1 to move up and down, so that the head of a patient is adjusted to a proper position, and the head of the patient can be located at a comfortable position in the whole process.
Referring to fig. 3 and 4, the first fixing device includes a first fixing disc 9 coaxially and slidably mounted with the third shaft 6, a first positioning pin 10 is slidably mounted on the first fixing disc 9 along a radial direction thereof, a first positioning hole for the first positioning pin 10 to pass through is formed on the first positioning disc 13, the first positioning pin 10 can be pulled out of the first positioning hole when not in use, which may cause the first positioning pin 10 to be lost, and a first elastic member is disposed between the first positioning pin 10 and the first fixing disc 9 to prevent the first positioning pin 10 from being separated from the first positioning hole during an operation, the first elastic member is a spring or a rubber band, when the first elastic member is a spring, the spring and the first positioning pin 10 are coaxial, when the first elastic member is a rubber band, to ensure that the first positioning member is uniformly stressed, rubber bands are uniformly arranged in a circumferential array on the outer circumference of the first aligning pin 10.
The outer circumference of the third shaft 6 is provided with 2 positioning holes, the position far away from the fixed seat 1 is provided with a second positioning hole 11, the other position is provided with a third positioning hole 12, the shaft of the first positioning pin 10 can be inserted into the second positioning hole 11 or the third positioning hole 12, a first positioning device is arranged between the first fixed disc 9 and the fixed seat 1, a second positioning device is arranged between the first fixed disc 9 and the first screw rod 4, when the first positioning pin 10 is inserted into the third positioning hole 12, the first positioning device fixes the first fixed disc 9 and the fixed seat 1 together, the fixed seat 1 and the third shaft 6 are fixed, the second positioning device does not fix the first screw rod 4 and the third shaft 6, when the shaft of the first positioning pin 10 is inserted into the second positioning hole 11, the second positioning device fixes the first fixed disc 9 and the first screw rod 4, namely, the first screw rod 4 and the third shaft 6, the first positioning means do not fix the third shaft 6 and the holder 1.
The first positioning device comprises a first positioning disc 13 fixedly mounted on the lower end face of the fixing seat 1 and a second positioning disc 14 sliding relative to the first fixing disc 9, the second positioning disc 14 is connected with the first fixing disc 9 through a second elastic piece, the second elastic piece is a spring or a rubber block, the first positioning disc 13 and the second positioning disc 14 are made of materials with high friction coefficients, when the first positioning pin 10 is inserted into the third positioning hole 12, the first positioning disc 13 is in contact with the second positioning disc 14, the second elastic piece is in a compressed state, and under the action of the second elastic piece, the first positioning disc 13 is combined with the second positioning disc 14 through friction force, so that the third shaft 6 and the fixing seat 1 are fixed together.
Another embodiment of the first positioning device comprises a first positioning disk 13 arranged on the lower end face of the fixing seat 1, wherein a plurality of protrusions are arranged on the lower end face of the first positioning disk 13, the protrusions are arranged in a circumferential arrangement mode, the axes of the protrusions and the axes of the third shaft 6 are coaxial, a groove matched with the protrusions is formed in the upper end face of the first fixing disk 9, when the first positioning hole 12 is inserted into the first smile, the protrusions are inserted into the groove, and therefore the third shaft 6 and the fixing seat 1 are fixed together.
Referring to fig. 5, the second positioning device includes a first receiving groove formed on an inner circumferential surface of a lower end of the third shaft 6, the first positioning block 15 slides in the first receiving groove, the first receiving groove may be square or circular, the circular first receiving groove may allow the lower end of the third shaft 6 to form a step, the first positioning block 15 is disposed on the third shaft 6 in a radial direction of the third shaft 6, a hole is formed on the third shaft 6, the hole allows the first positioning block 15 to pass through, a portion of the first positioning block 15 contacting the first screw 4 is arc-shaped, a second positioning block 16 is slidably mounted on the other end of the first positioning block 15, the second positioning block 16 and the hole on the third shaft 6 are coaxial, a third elastic member is disposed between the first positioning block 15 and the second positioning block 16, the third elastic member is a spring or a rubber block, a first inclined surface 17 is disposed on an inner circumferential surface of the first fixing disc 9, the second positioning block 16 can be driven to move toward the center of the first screw 4 by the force generated between the first inclined surface 17 and the second positioning block 16.
The whole movement process of the second positioning device is as follows: the medical staff pulls the first positioning pin 10 out of the third positioning hole 12, then moves the first fixing disc 9, so that the first inclined plane 17 contacts the second positioning block 16, thereby driving the second positioning block 16 to move towards the direction approaching to the first screw rod 4, the second positioning block 16 drives the first positioning block 15 to move synchronously via the third elastic element, until the first positioning block 15 contacts the outer surface of the first screw rod 4, the second positioning block 16 still moves, thereby causing the third elastic element to compress, the elastic force between the third elastic elements acts on the first positioning block, thereby fixing the third shaft 6 and the first screw rod 4 together, when the inner surface between the second positioning block 16 and the first positioning disc 13 contacts, the third positioning block does not move any more, when the first positioning pin 10 and the second positioning hole 11 are matched, the third positioning pin is inserted into the second positioning hole 11, preventing the first fixed disk 9 from moving throughout the procedure.
The above description is only for the purpose of illustrating the present invention, and it should be understood that the present invention is not limited to the above embodiments, and various modifications conforming to the spirit of the present invention are within the scope of the present invention.
Claims (10)
1. The head fixing device for the neurosurgery is characterized by comprising a fixing seat (1), wherein a head supporting plate (2) is vertically and slidably mounted on the fixing seat (1), and head fixing plates (3) are respectively and slidably mounted at two ends of the head supporting plate (2); a first screw rod (4) vertically penetrates through the whole fixed seat (1); second shafts (5) rotatably mounted at two ends of the head supporting plate (2), wherein one ends, far away from the first screw rods (4), of the second shafts (5) are provided with driving threads, and the driving threads drive the matched head fixing plates (3) to move; the device also comprises first selection means which enable the first screw (4) to drive the head fixing plate (3) to move through the second shaft (5) when the head of the patient is not fixed, and enable the first screw (4) to drive the head supporting plate (2) to move after the head of the patient is fixed.
2. A neurosurgical head fixation device according to claim 1, wherein the first selection means comprises a third shaft (6) threadedly mounted with the first screw (4), the first screw (4) having a self-locking effect, the third shaft (6) being axially slidably mounted with a fourth shaft (7), a first bevel gear (8) being coaxially and fixedly mounted to an end of the fourth shaft (7) facing the fixation seat (1), a second bevel gear being coaxially and fixedly mounted to the second shaft (5) and being in meshing engagement with the first bevel gear (8), the first selection means further comprises a first fixation means such that when the third shaft (6) and the first screw (4) are fixed, the first screw (4) rotationally drives the fourth shaft (7) to rotate, when the third shaft (6) and the fixed seat (1) are fixed, the first screw (4) drives the fixed seat (1) to move.
3. A head fixation device for neurosurgery according to claim 2, characterized in that it comprises a first fixation disc (9) coaxially slidably mounted with said third shaft (6), said first fixation disc (9) having a first positioning pin (10) radially slidably mounted thereon, said third shaft (6) having a second positioning hole (11) and a third positioning hole (12) vertically spaced apart, a first positioning device being disposed between said first fixation disc (9) and said fixation seat (1), a second positioning device being disposed between said first fixation disc (9) and said first screw (4), said first positioning pin (10) being inserted into said third positioning hole (12), said second positioning device fixing said first fixation disc (9) and said fixation seat (1), when the first positioning pin (10) is inserted into the second positioning hole (11), the second positioning device enables the first fixing disc (9) and the first screw rod (4) to be fixed.
4. A head fixation device for neurosurgery according to claim 3, characterized in that said first positioning means comprises a first positioning disc (13) fixedly mounted on the lower end face of said fixation base (1), said first fixation disc (9) being connected via a second elastic element to a second positioning disc (14) cooperating with said first positioning disc (13).
5. A neurosurgical head fixation device according to claim 3, wherein the first positioning device comprises a first positioning disc (13) fixedly mounted on the lower end surface of the fixation seat (1), the lower end surface of the first positioning disc (13) is provided with a plurality of protrusions, the upper end surface of the first fixation disc (9) is provided with a groove, and when the protrusions are inserted into the grooves, the third shaft (6) and the fixation seat (1) are fixed.
6. A neurosurgical head fixation device according to claim 3, wherein the second positioning means comprises a first positioning block (15) which is radially slidably mounted on the third shaft (6), a second positioning block (16) is connected to an end of the first positioning block (15) remote from the first screw (4) via a third elastic member, and the inner circumferential surface of the first fixation disc (9) is provided with a first inclined surface (17), and the second positioning block (16) is driven to move by means of a force generated between the first inclined surface (17) and the second positioning block (16).
7. A neurosurgical head fixation device according to claim 3, wherein a first resilient member is arranged between the first positioning pin (10) and the first fixation disc (9).
8. A neurosurgical head fixation device according to claim 5, wherein the protrusions and recesses are arranged in a circumferential array with an axial centre coaxial with the third shaft (6).
9. A head fixation device for neurosurgery according to claim 6, characterized in that said third shaft (6) has a first housing groove formed on its lower inner circumference, said first positioning block (15) sliding inside said first housing groove.
10. A head fixation device for neurosurgery according to claim 7, characterized in that said head fixation plate (3) is fixedly mounted with a first shaft (18) slidably mounted on said head support plate (2), said second shaft (5) driving said first shaft (18) through a first transition plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111617474.7A CN114271955B (en) | 2021-12-28 | 2021-12-28 | Head fixing device for neurosurgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111617474.7A CN114271955B (en) | 2021-12-28 | 2021-12-28 | Head fixing device for neurosurgery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114271955A true CN114271955A (en) | 2022-04-05 |
| CN114271955B CN114271955B (en) | 2023-08-08 |
Family
ID=80876841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111617474.7A Active CN114271955B (en) | 2021-12-28 | 2021-12-28 | Head fixing device for neurosurgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114271955B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6315783B1 (en) * | 2000-04-07 | 2001-11-13 | Odin Technologies, Ltd. | Surgical head support |
| US20150096570A1 (en) * | 2012-05-15 | 2015-04-09 | Hubert Noras | Head restrainer for immobilizing the head of patients |
| CN109009849A (en) * | 2018-08-01 | 2018-12-18 | 刘光辉 | A kind of intelligence neurocranial surgery head frame |
| CN210494529U (en) * | 2019-07-17 | 2020-05-12 | 陈清山 | Head fixing device for neurosurgery |
| CN111513868A (en) * | 2020-05-08 | 2020-08-11 | 马学梅 | Panorama tooth traumatism locator of making a video recording |
-
2021
- 2021-12-28 CN CN202111617474.7A patent/CN114271955B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6315783B1 (en) * | 2000-04-07 | 2001-11-13 | Odin Technologies, Ltd. | Surgical head support |
| US20150096570A1 (en) * | 2012-05-15 | 2015-04-09 | Hubert Noras | Head restrainer for immobilizing the head of patients |
| CN109009849A (en) * | 2018-08-01 | 2018-12-18 | 刘光辉 | A kind of intelligence neurocranial surgery head frame |
| CN210494529U (en) * | 2019-07-17 | 2020-05-12 | 陈清山 | Head fixing device for neurosurgery |
| CN111513868A (en) * | 2020-05-08 | 2020-08-11 | 马学梅 | Panorama tooth traumatism locator of making a video recording |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114271955B (en) | 2023-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112476283A (en) | Rotor detection auxiliary device for motor production | |
| US20160250494A1 (en) | Link mechanism for arm portion | |
| KR20010015582A (en) | Polishing machine including a platform assembly mounted on three columns | |
| CN110478176A (en) | A kind of patient's operation dorsal position head and shoulder neck one pad regulating device | |
| CN112972187A (en) | Be used for prosthetic operating table neck fixing device of surgical surface of a wound | |
| CN114271955A (en) | Head fixing device for neurosurgery operation | |
| CN114952582A (en) | Polishing equipment for polishing annular workpiece | |
| CN112264923A (en) | Size limiting fine adjustment compensation device for honing head with replaceable tool shank | |
| CN110292446B (en) | Multifunctional fixing device for neurosurgery department | |
| CN114484229A (en) | Medical equipment inspection result display device | |
| JP2002539997A (en) | Accurate mounting method and apparatus for McPherson suspension struts | |
| CN116533084A (en) | Monocrystalline silicon grinding device and grinding method | |
| CN115555956A (en) | Flexible grinding device for invisible appliance | |
| CN114384664A (en) | Reflector position appearance adjusting device | |
| CN117717460B (en) | Fixing device for lateral position operation | |
| CN117182751B (en) | Sun gear height adjusting device of wafer double-sided polishing machine | |
| CN212071594U (en) | Multi-angle fixer for polishing jewels | |
| CN220801295U (en) | Head supporting and positioning device for neurosurgery | |
| CN219557348U (en) | Head fixing equipment for inspection | |
| CN110335830A (en) | A kind of semiconductors manufacture bonding equipment protective device | |
| CN117898574B (en) | Adjustable fixing device of sofa iron stand | |
| CN212282043U (en) | Neurological cranial nerve treatment device | |
| CN215820896U (en) | Medical viewing mirror convenient to use | |
| CN108992185B (en) | Medical orthopedics is with supplementary strutting arrangement of operation | |
| CN219253984U (en) | Spring pitch adjusting device with locking structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |