CN116725768A - Preoperative ear hair removing device for skin preparation - Google Patents
Preoperative ear hair removing device for skin preparation Download PDFInfo
- Publication number
- CN116725768A CN116725768A CN202310763641.1A CN202310763641A CN116725768A CN 116725768 A CN116725768 A CN 116725768A CN 202310763641 A CN202310763641 A CN 202310763641A CN 116725768 A CN116725768 A CN 116725768A
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- Prior art keywords
- shearing
- collecting
- rotating shaft
- wall
- collecting cavity
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- 210000004209 hair Anatomy 0.000 title claims abstract description 81
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 238000010008 shearing Methods 0.000 claims abstract description 116
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 210000000613 ear canal Anatomy 0.000 claims description 51
- 210000003128 head Anatomy 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 5
- 230000009347 mechanical transmission Effects 0.000 claims description 5
- 230000035945 sensitivity Effects 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims description 4
- 238000009966 trimming Methods 0.000 description 15
- 210000003491 skin Anatomy 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 230000000007 visual effect Effects 0.000 description 7
- 230000006378 damage Effects 0.000 description 6
- 238000013138 pruning Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 210000000845 cartilage Anatomy 0.000 description 3
- 238000006748 scratching Methods 0.000 description 3
- 230000002393 scratching effect Effects 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 210000003780 hair follicle Anatomy 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 208000027089 Parkinsonian disease Diseases 0.000 description 1
- 206010034010 Parkinsonism Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002695 general anesthesia Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/006—Ear cleaners, e.g. curettes
Abstract
The invention provides a preoperative auricle removal device for skin preparation, belongs to the field of medical appliances, and solves the problem of how to safely remove auricles; the cutter comprises a cutting cover, wherein a cutter head is arranged in the cutting cover; the bottom of the shearing cover is connected with the first collecting cavity, and the edge of the first auricular hair collecting net is propped against the inner wall of the first collecting part of the first collecting cavity; the bottom of the first collecting cavity is connected with the deformation part, and the universal rotating shaft of the deformation part rotates to drive the outer wall to deform; the bottom of the deformation part is connected with a second collecting cavity, and the bottom of the second collecting cavity is connected into the driving device through a driving pipe; the universal rotating shaft is connected with a cutter head rotating shaft of the shearing cutter head upwards and connected with a motor rotating shaft of the driving device downwards; the ear Mao Xiru shearing cover is sheared by the shearing tool head through the driving device and then is collected in the first collecting cavity, and the ear hairs falling from one collecting cavity are collected in the second collecting cavity through the through cavity. The invention can safely remove the ear hair by single-hand operation, does not block the sight, reduces the risk of misoperation and adapts to clinical requirements.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a preoperative ear hair removing device for skin preparation.
Background
In the otoscope operation, the visual field range is derived from the image acquired by the otoscope, when the otoscope acquires the image, the otoscope stretches into the deep part of the auditory canal from the external auditory meatus, and if the external auditory meatus is full of cartilage parts of the auricular hair, the auricular hair can be attached with blood and disinfectant during operation without removing the auricular hair, so that the view of the otoscope is polluted, and the otoscope is required to be repeatedly taken out during operation to be wiped so as to ensure the clear view of an operation area, and the operation is accurate; therefore, when the external auditory canal skin preparation is carried out before operation, the ear hair is removed, the operation time can be saved to a certain extent, and the misoperation caused by the unclear operation field due to excessive ear hair is reduced.
In the process of preparing the external auditory meatus skin, the used ear hair removing tool is generally clinically carried out by a common trimmer, such as otology microscispers; since the adult diameter phi of the external auditory canal is 8-9mm, the length L is 2.5-3.5cm; the diameter phi of the external auditory canal of the child is=5-7 mm, and the length L is=2.1-2.5 cm. The total length of the external auditory canal is divided into an inner 2/3 bone part and an outer 1/3 cartilage part, and the external auditory canal is not a straight tube and is slightly S-shaped bent. Cartilage skin contains hair follicles and bone skin does not have hair follicles, as shown in fig. 1, and the target trimming position is shown schematically at the box.
When the ear hair is removed by using the otology micro scissors, the trimming tool is sharp, so that the trimming tool is difficult to be matched with the special people who cannot be in quiet fit, such as infants or parkinsonism and other stationary tremble patients, and the trimming tool is difficult to remove the ear hair under the condition that the skin of the external auditory canal is not damaged because of the special structure of the external auditory canal and the limited rotating space of the external auditory canal, and the falling ear Mao Duowei tiny hair cannot be completely removed, so that the probability of secondary pollution of the view field of the otoscope is increased; in addition, when using the microscopic scissors of otology to prune in the art, clinical most often occurring medical scene is, need a handheld otoscope to provide light source and visual image to guarantee the accurate pruning operation of another hand, but in actual operation process, because the special structure of external auditory canal, need one hand to pull the ear, the other hand carries out the auricular hair pruning, and the space around the auricular meatus mouth is taken up by holding the hand and pruning instrument of handle, can't give enough space and hold the otoscope, consequently, can't provide light source and visual image through handheld otoscope in the in-process of pruning, so clinically mostly take blind operation, lead to the auricular hair prune not clean. For special patients needing to thoroughly remove the earhair, the mode which is commonly selected clinically at present is to trim the earhair by using micro scissors after providing a light source and a visual image through an otoscope in a general anesthesia state, and repeatedly washing the earhair, so that the operation time and the injury risk are increased, and meanwhile, the discomfort of the patients in the earhair removing process when the external auditory canal is used for skin preparation is increased.
Disclosure of Invention
Aiming at the technical problem that the medical instrument for shearing the special ear hair is lack clinically, the invention provides the preoperative ear hair clearing device for preparing the ear hair, which can enable an operator to finish clearing and adsorption clearing of the ear hair on the annular ear canal wall in a small-range movement by one hand without affecting the operation of other handheld instruments, does not hurt the external auditory canal, is safe to use, is fast to trim, can adapt to clinical requirements, reduces the operation time increase and misoperation risk caused by unclean ear hair trimming and ear hair clearing in operation, is convenient for clinical doctor operation, saves medical cost, and can also reduce uncomfortable feeling of a patient in the ear hair clearing process when the external auditory canal is prepared.
In order to achieve the purpose, the invention is specifically realized by the following technical scheme:
the invention provides a preoperative auricle clearing device for skin preparation, which comprises a shearing cover, wherein the shearing cover is a cylinder, a plurality of through holes are formed in the periphery of the shearing cover, and a shearing cutter head is arranged in the shearing cover to shear auricles entering from the through holes;
the bottom of the shearing cover is connected with the top of the first collecting cavity, and the first collecting cavity is provided with a hollow cavity; the top of the first collecting cavity extends downwards to form a first collecting part and the bottom of the first collecting cavity, the outer diameter of the bottom of the first collecting cavity is the same as that of the top and is smaller than that of the first collecting part, and the outer diameter of the first collecting part is smaller than that of the external auditory canal; the edge of the first earpick collecting net is propped against the inner wall of the first collecting part and is arranged above the bottom of the first collecting cavity;
the bottom of the first collecting cavity is connected with the top of the deformation part, and the outer wall of the deformation part is made of deformation materials and has deformation capacity; the universal rotating shaft is arranged in the outer wall and rotates through external force to drive the outer wall to deform;
the bottom of the deformation part is connected with the top of a second collecting cavity, and the second collecting cavity is provided with a second auricular hair collecting net in the same shape as the first collecting cavity; the bottom of the second collecting cavity is connected into the shell of the driving device through the driving pipe, so that the universal rotating shaft is upwards connected with the rotating shaft of the cutter head of the shearing cutter head and downwards connected with the rotating shaft of the motor of the driving device; through cavity is constituteed to the shell of drive arrangement by the through-hole of shearing cover, through drive arrangement driving motor work, and the motor shaft is rotatory to drive the shearing tool bit through universal rotation axis and rotate, and the motor drives the suction fan work simultaneously and inhales the shearing cover from the through-hole and collect in the first chamber of collecting after shearing by the shearing tool bit, again through the cavity of leading to, collect the auricle that a chamber of collecting dropped in the second chamber of collecting.
Further, the top of shearing cover has the chamfer round platform, and the center of chamfer round platform has circular through-hole, and the inside narrow region of external auditory canal is equipped with to the angle and the high laminating of chamfer round platform, and the periphery of shearing cover has the flexible glue except the through-hole.
Further, the shearing tool bit is a multi-blade rotary tool bit, and blades are uniformly distributed around a tool bit rotating shaft;
the cutter head rotating shaft is fixed at the inner center of the shearing cover, so that the outer toughness of the cutter blade on the cutter head rotating shaft is attached to the inner wall of the shearing cover, and a shearing gap is reserved.
Further, the top of the first collecting cavity is provided with an adapter, the inner wall of the top of the adapter is tapped according to different sizes of the shearing cover, the adapter is connected with the shearing cover, and the mantle fiber of the outer wall of the bottom is connected with the first collecting part;
the upper and lower both ends of first collecting portion inner wall are according to the tapping of the bottom outer wall of adapter and the top outer wall of deformation portion to leave the junction, the junction is not tapped.
Further, the connecting part is provided with a clamping groove for placing at least one first earhair collecting net, and the first earhair collecting net is detachably clamped in the clamping groove;
the clamping groove is provided with one or a plurality of clamping grooves which are sequentially arranged.
Further, the universal rotating shaft comprises a universal joint and a rotating shaft, and the rotating shaft is connected with two ends of the universal joint;
the universal joint uses a ball joint or a Hooke joint, a spring is added at the joint to serve as a middle piece, the sensitivity of angle change is improved, and vibration of a mechanical transmission part is buffered.
Further, a shielding device is sleeved on the upper rotating shaft close to the universal joint, the top of the shielding device is fixed on the upper rotating shaft of the universal joint, the radial length of the edge of the outer wall is larger than the rotating diameter of the universal joint and smaller than the diameter of the inner wall of the deformation part, and an air suction channel is reserved on the inner wall of the deformation part, so that the auricle slides to the edge of the outer wall along the top of the shielding device and enters the air suction channel.
Further, the motor and the induced draft fan are arranged in the driving device, the center of the front face of the induced draft fan is sleeved on the motor rotating shaft, the induced draft fan is arranged above the motor, the motor rotating shaft stretches out of the shell of the driving device and enters the driving tube, a blocking structure is formed by the driving tube and the shell of the driving device, the motor rotating shaft is sealed in the driving tube, and meanwhile, the motor is fixed through the fixing device in the shell.
Further, the driving tube comprises a first blocking part and/or a second blocking part;
the first blocking part is buckled at the upper end of the driving pipe, the edge of the first blocking part is attached to the side wall of the driving pipe, the top of the driving pipe is blocked by at least one auricular hair filter screen, and the center of the auricular hair filter screen is provided with a first through hole for the power supply rotating shaft to pass through;
the second plugging part is buckled at the lower end of the driving pipe, the edge of the second plugging part is attached to the side wall of the driving pipe, the bottom of the driving pipe is plugged through at least one auricular hair filter screen, and the center of the auricular hair filter screen is provided with a second through hole for the power supply rotating shaft to pass through.
Further, the bottom of the driving device is provided with an air outlet.
The working process of the invention comprises the following steps:
selecting a shearing cover and a shearing cutter head corresponding to the external auditory canal size of a patient, wherein in the embodiment of the invention, the shearing cover and the shearing cutter head can be of a child type size or an adult type size;
cleaning and installing a first earhair collecting net, a second earhair collecting net and an earhair filtering net; the shearing cover and the shearing tool bit entering the external auditory canal are disinfected, so that sanitation and cleanness are ensured. Before use, checking whether all parts of the pre-operation ear hair removing device for skin preparation are tightly connected;
the utility model can be observed in an auxiliary way through the otoscope, and the shearing cover is slowly plugged into the external auditory canal of the patient by adjusting the bending angle of the deformation part.
Pressing a switch of the driving device, starting the motor, and driving the shearing tool bit to rotate to shear the ear hair through the deformation part by rotating the motor; the motor drives the induced draft fan to work, adsorbs the auricle that the shearing tool bit sheared to first collection chamber, again through leading to the chamber, collects the auricle that a collection chamber dropped in the second collection chamber.
After use, the ear hair is cleaned and disinfected for standby.
The beneficial effects of the invention are as follows:
according to the characteristics of different external auditory canal volumes, external auditory canal anatomical structures and different amounts of auricles, the shearing cover is a cylinder, the periphery of the shearing cover is provided with a plurality of through holes, the shearing cutter head is arranged in the shearing cover to shear the auricles entering from the through holes, and the shearing cover is sleeved outside the shearing cutter head, so that the shearing cutter head can be prevented from scratching the external auditory canal. The periphery of the shearing cover is provided with soft rubber except the through holes, so that hard damage caused by contact between the external auditory meatus and the shearing cover can be prevented.
The bottom of the shearing cover is connected with the top of the first collecting cavity, and the first collecting cavity is provided with a hollow cavity; the top of the first collecting cavity extends downwards to form a first collecting part and a bottom, the outer diameter of the bottom is the same as that of the top and is smaller than that of the first collecting part, and the outer diameter of the first collecting part is smaller than the inner diameter of the external auditory meatus;
the edge of the first ear hair collecting net is propped against the inner wall of the first collecting part and is arranged above the bottom; the bottom of the first collecting cavity is connected with the top of the deformation part, and the outer wall of the deformation part is made of deformation materials and has deformation capacity; the universal rotating shaft is arranged in the outer wall and rotates through external force to drive the outer wall to deform; the universal joint in the universal rotating shaft uses a ball joint or a Hooke joint, a spring is added at the joint to serve as an intermediate piece, the sensitivity of angle change is improved, and vibration of a mechanical transmission part is buffered. The universal rotating shaft can be bent to a proper angle before ear hair is removed, so that the space around the ear canal opening is reserved, the hand holding the device can complete the trimming of the ear hair on the annular ear canal wall by small-range movement, enough space is reserved for accommodating auxiliary instruments, the ear is not required to be pulled, the operation of the other hand-held auxiliary instrument is not influenced, and a light source and a visual image are provided by a hand-held ear endoscope during the operation so as to ensure the accurate operation of the other hand; the shielding device can prevent cut earhair from entering a gap of the universal joint to influence the rotation of the universal joint; prolonging the service life of the deformation part.
The bottom of the deformation part is connected with the top of a second collecting cavity, and the second collecting cavity is provided with a second auricular hair collecting net in the same shape as the first collecting cavity; the bottom of the second collecting cavity is connected into the shell of the driving device through the driving pipe, so that the universal rotating shaft is upwards connected with the rotating shaft of the cutter head of the shearing cutter head and downwards connected with the rotating shaft of the motor of the driving device; the through hole of the shearing cover is connected with the shell of the driving device to form a through cavity, the driving device drives the motor to work, the motor rotating shaft drives the shearing tool bit to rotate through the universal rotating shaft, meanwhile, the motor drives the suction fan to work to suck the auricle into the shearing cover from the through hole, the auricle is sheared by the shearing tool bit and then is collected into the first collecting cavity, and then the auricle falling from the collecting cavity is collected into the multilayer auricle collecting net technical scheme in the second collecting cavity through the through cavity, so that the invention can not generate faults due to accumulation of the auricle;
the scheme integrally solves the problem of how to safely trim and clear the ear hair after trimming, the invention can adapt to clinical requirements, has simple operation, rapid trimming, no hurt to the external auditory canal, safe use, reduced operation time increase and misoperation risk caused by external auditory canal damage, unclean ear hair trimming or the ear hair falling into the external auditory canal in operation, can be operated by one hand, and is convenient for the other hand to operate other instruments simultaneously; the deformation part is used for producing deformation outside the external auditory meatus, so that the shearing cover is attached to the external auditory meatus wall to shear, the external auditory meatus is not damaged, enough space around the external auditory meatus can be exposed, the sight is not blocked, the operation of a clinical doctor is convenient, the medical cost is saved, and meanwhile, the discomfort of a patient in the ear hair process can be relieved when the external auditory meatus is prepared.
Drawings
The invention is described in further detail below with reference to the drawings and examples.
Fig. 1 is a schematic diagram of a target trimming position provided by the present invention.
Fig. 2 is a schematic view of a pre-operative ear hair removal device for skin preparation according to the present invention.
Fig. 3 is a schematic view of a shear bit provided by the present invention.
Fig. 4 is a schematic view of a universal rotation shaft provided by the present invention.
Fig. 5 is a schematic view of a cover-shaped shielding device provided by the invention.
FIG. 6 is a schematic view of an umbrella-shaped shielding device provided by the invention.
Fig. 7 is a schematic view of a driving tube provided by the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in 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, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
As shown in fig. 2, the embodiment of the invention provides a pre-operation ear hair removing device for skin preparation, which comprises a shearing cover 1, wherein the shearing cover 1 is a cylinder, a plurality of through holes 2 are formed in the periphery of the shearing cover, and a shearing cutter head is arranged in the shearing cover to shear ear hair entering from the through holes 2;
the bottom of the shearing cover 1 is connected with the top of the first collecting cavity 3, and the first collecting cavity 3 is provided with a hollow cavity; the top 31 of the first collecting cavity 3 extends downwards to form a first collecting part 32 and a bottom 33 of the first collecting cavity, the outer diameter of the bottom 33 of the first collecting cavity is the same as that of the top 31 and is smaller than that of the first collecting part 32, and the outer diameter of the first collecting part 32 is smaller than the inner diameter of the external auditory meatus; the edge of the first ear hair collecting net 4 is abutted against the inner wall of the first collecting part 32 and is placed above the bottom 33 of the first collecting cavity;
the bottom of the first collecting cavity 3 is connected with the top of the deformation part 7, and the outer wall 71 of the deformation part 7 is made of deformation materials and has deformation capacity; the outer wall 71 is internally provided with a universal rotating shaft 72, the universal rotating shaft 72 rotates through external force to drive the outer wall 71 to deform, for example, the external force makes the universal rotating shaft 72 bend a certain angle after rotating, so that the outer wall 71 deforms corresponding to the bending angle;
the bottom of the deformation part 7 is connected with the top of the second collecting cavity 6, and the second collecting cavity 6 is provided with a second auricular hair collecting net 5 with the same shape as the first collecting cavity 3; the bottom of the second collecting cavity 6 is connected into the shell of the driving device 9 through the driving pipe 8, so that the universal rotating shaft 72 is connected with the cutter head rotating shaft of the shearing cutter head upwards and connected with the motor rotating shaft of the driving device downwards; through cavity is constituteed to the shell of drive arrangement by the through-hole of shearing cover, through drive arrangement driving motor work, and the motor shaft is rotatory to drive the shearing tool bit through universal rotation axis and rotate, and the motor drives the suction fan work simultaneously and inhales the shearing cover from the through-hole and collect in the first chamber of collecting after shearing by the shearing tool bit, again through the cavity of leading to, collect the auricle that a chamber of collecting dropped in the second chamber of collecting.
The second collection chamber 6 has a hollow cavity; the top of the second collecting cavity extends downwards to form a second collecting part and the bottom of the second collecting cavity, the outer diameter of the bottom of the second collecting cavity is the same as that of the top and is smaller than that of the second collecting part, and the outer diameter of the second collecting part is smaller than that of the external auditory canal; the edge of the second ear hair collecting net 5 is propped against the inner wall of the second collecting part and is arranged above the bottom of the second collecting cavity;
the top of shearing cover has the chamfer round platform, and the center of chamfer round platform has circular through-hole, and the angle and the high laminating external auditory canal inside narrow region of chamfer round platform set up, and the periphery of shearing cover has soft rubber except the through-hole.
The design of the chamfering round table can trim the auricle in the narrow area in the external auditory canal; if the top is provided with a chamfering round table with the angle of 60 degrees, the chamfering round table is beneficial to extending into the narrow area in the external auditory canal to trim.
The shearing cover is sleeved on the outer side of the shearing tool bit, so that the shearing tool bit can be prevented from scratching the external auditory canal. The periphery of the shearing cover is provided with soft rubber except the through holes, so that hard damage caused by contact between the external auditory meatus and the shearing cover can be prevented.
As shown in fig. 3, the shearing tool bit 10 is a multi-blade rotary tool bit, and blades 101 are uniformly distributed around a tool bit rotating shaft 102;
the cutter head rotating shaft 102 is fixed at the inner center of the shear housing 1, so that the outer toughness of the blades 101 on the cutter head rotating shaft 102 is attached to the inner wall of the shear housing 1, and a shear gap is reserved.
The top of the first collecting cavity is provided with an adapter, the inner wall of the top of the adapter is tapped according to different sizes of the shearing cover, the adapter is connected with the shearing cover, and the outer wall of the bottom is sleeved with threads and connected with the first collecting part;
according to the demand, can design shearing cap and shearing tool bit's model according to adult's external auditory canal size and children's external auditory canal size, design the upper portion inner wall tapping size of adapter again. The lower outer wall threading of the adapter is the same in size, and only the upper inner wall threading is different in size.
The exposed length of the shearing cover is limited by the length of the inner wall of the top of the access adapter, so that the outer auditory meatus is prevented from being damaged by the overlong shearing cover; too short affects the shearing effect and increases the shearing time.
Such as: the total length of the adult type shearing cover is 18mm, the diameter is 7mm, the top is a 2mm high round table with a 60-degree long chamfer angle, and the diameter of the top opening is 5mm; the length of the upper end portion penetrating into the inner part of the external auditory canal is about 1/3 of the average external auditory length of an adult, and can be set to 10mm.
The total length of the children type shearing cover is 16mm, the diameter is 4mm, the top is a 2mm high round table with a 60-degree long chamfer angle, and the diameter of a top opening is 2mm; the length of the upper end which is deep into the inner part of the external auditory canal is about 1/3 of the average external auditory length of the child, and can be set to be 8mm.
The upper and lower both ends of first collecting portion inner wall are according to the tapping of the bottom outer wall of adapter and the top outer wall of deformation portion to leave the junction, the junction is not tapped.
The connecting part is provided with a clamping groove for placing at least one first earhair collecting net, and the first earhair collecting net is detachably clamped in the clamping groove;
the clamping groove is provided with one or a plurality of clamping grooves which are sequentially arranged.
As shown in fig. 4, the universal rotation shaft 72 includes a universal joint 721 and a rotation shaft 722, and the rotation shaft 722 is connected to both ends of the universal joint 721;
the universal joint uses a ball joint or a Hooke joint, a spring is added at the joint to serve as a middle piece, the sensitivity of angle change is improved, and vibration of a mechanical transmission part is buffered.
The universal rotation shaft can be bent to a proper angle before removing the ear hair, so that the space around the ear canal opening is reserved, the hand holding the device can complete the trimming of the ear hair on the annular ear canal wall by using a small range of movement, enough space is reserved for accommodating auxiliary instruments, the ear is not required to be pulled, the operation of the other hand-held auxiliary instrument is not influenced, for example, when the operation is carried out, a hand-held ear endoscope provides a light source and a visual image, and the accurate operation of the other hand is ensured.
As the universal joint is a meshed transmission mechanism, the earhair enters a transmission gap of the universal joint to block the universal joint, so that the transmission of the universal joint is affected, and the situation that the rotation is laborious or not is caused.
Therefore, in the invention, the shielding device 723 is sleeved on the upper rotating shaft 722 close to the universal joint 721, as shown in fig. 5 and 6, the top of the shielding device 723 is fixed on the upper rotating shaft 722 of the universal joint, the radial length of the edge of the outer wall is larger than the rotating diameter of the universal joint and smaller than the diameter of the inner wall of the deformation part, and an air suction channel is reserved between the outer wall and the inner wall of the deformation part, so that the ear wool slides to the edge of the outer wall along the top of the shielding device and enters the air suction channel.
The shielding device can prevent cut earhair from entering a gap of the universal joint to influence the rotation of the universal joint; prolonging the service life of the deformation part.
The shielding device adopts umbrella shape or cover shape and the like capable of reducing wind resistance and preventing hair from being blocked, the outer wall of the cover shape can be a streamline outer wall, and the influence of turbulence on the scheme is reduced.
The motor and the air suction fan are arranged in the driving device, the front center of the air suction fan is sleeved on the rotating shaft of the motor, and the air suction fan is arranged above the motor, so that the space is saved; the motor rotating shaft extends out of the shell of the driving device and enters the driving tube, a blocking structure is formed by the driving tube and the shell of the driving device, the motor rotating shaft is sealed in the driving tube, and meanwhile, the motor is fixed through a fixing device in the shell.
The shell is an anti-slip shell, and the holding part of the anti-slip shell is provided with an anti-slip unit; the anti-skid unit is a silica gel protective sleeve sleeved on the holding part or anti-skid lines integrally formed with the holding part.
The design of the anti-slip shell can prevent a user from slipping by hand when in use, and reduce the risk of misoperation.
As shown in fig. 7, the driving tube 8 includes a first blocking portion 81 and/or a second blocking portion; the shape of the first blocking part is the same as that of the second blocking part;
the first blocking part 81 is fastened at the upper end of the driving pipe 8, the edge of the first blocking part is attached to the side wall of the driving pipe, the first blocking part is blocked at the top of the driving pipe through at least one earhair filter screen 82, and the center of the earhair filter screen is provided with a first through hole 83 for the power supply rotating shaft to pass through;
the second plugging part is buckled at the lower end of the driving pipe, the edge of the second plugging part is attached to the side wall of the driving pipe, the bottom of the driving pipe is plugged through at least one auricular hair filter screen, and the center of the auricular hair filter screen is provided with a second through hole for the power supply rotating shaft to pass through.
The design of first shutoff portion and second shutoff portion prevents that the ear hair that the chamber dropped from the second from getting into the drive tube, makes the pivot of motor can not break down because of the accumulation of ear hair.
The driving device further comprises a power supply and a switch, wherein the power supply is electrically connected with the motor, and the switch controls the motor to be started or stopped.
The bottom of the driving device is provided with an air outlet.
The working process of the invention comprises the following steps:
selecting a shearing cover and a shearing cutter head corresponding to the external auditory canal size of a patient, wherein in the embodiment of the invention, the shearing cover and the shearing cutter head can be of a child type size or an adult type size;
cleaning and installing a first earhair collecting net, a second earhair collecting net and an earhair filtering net; the shearing cover and the shearing tool bit entering the external auditory canal are disinfected, so that sanitation and cleanness are ensured. Before use, checking whether all parts of the pre-operation ear hair removing device for skin preparation are tightly connected;
the utility model can be observed in an auxiliary way through the otoscope, and the shearing cover is slowly plugged into the external auditory canal of the patient by adjusting the bending angle of the deformation part.
Pressing a switch of the driving device, starting the motor, and driving the shearing tool bit to rotate to shear the ear hair through the deformation part by rotating the motor; the motor drives the induced draft fan to work, adsorbs the auricle that the shearing tool bit sheared to first collection chamber, again through leading to the chamber, collects the auricle that a collection chamber dropped in the second collection chamber.
After use, the ear hair is cleaned and disinfected for standby.
The embodiment of the invention has the beneficial effects that:
according to the external auditory canal cutting device, according to the characteristics of different external auditory canal volumes, external auditory canal anatomical structures and different amounts of earhair, the cutting cover is cylindrical, the periphery of the cutting cover is provided with a plurality of through holes, the cutting tool bit is arranged in the technical scheme that the cutting cover cuts the earhair entering from the through holes, the cutting cover is sleeved on the outer side of the cutting tool bit, and the cutting tool bit can be prevented from scratching the external auditory canal. The periphery of the shearing cover is provided with soft rubber except the through holes, so that hard damage caused by contact between the external auditory meatus and the shearing cover can be prevented.
The bottom of the shearing cover is connected with the top of the first collecting cavity, and the first collecting cavity is provided with a hollow cavity; the top of the first collecting cavity extends downwards to form a first collecting part and a bottom, the outer diameter of the bottom is the same as that of the top and is smaller than that of the first collecting part, and the outer diameter of the first collecting part is smaller than the inner diameter of the external auditory meatus;
the edge of the first ear hair collecting net is propped against the inner wall of the first collecting part and is arranged above the bottom; the bottom of the first collecting cavity is connected with the top of the deformation part, and the outer wall of the deformation part is made of deformation materials and has deformation capacity; the universal rotating shaft is arranged in the outer wall and rotates through external force to drive the outer wall to deform; the universal joint in the universal rotating shaft uses a ball joint or a Hooke joint, a spring is added at the joint to serve as an intermediate piece, the sensitivity of angle change is improved, and vibration of a mechanical transmission part is buffered. The universal rotating shaft can be bent to a proper angle before ear hair is removed, so that the space around the ear canal opening is reserved, the hand holding the device can complete the trimming of the ear hair on the annular ear canal wall by small-range movement, enough space is reserved for accommodating auxiliary instruments, the ear is not required to be pulled, the operation of the other hand-held auxiliary instrument is not influenced, and a light source and a visual image are provided by a hand-held ear endoscope during the operation so as to ensure the accurate operation of the other hand; the shielding device can prevent cut earhair from entering a gap of the universal joint to influence the rotation of the universal joint; prolonging the service life of the deformation part.
The bottom of the deformation part is connected with the top of a second collecting cavity, and the second collecting cavity is provided with a second auricular hair collecting net in the same shape as the first collecting cavity; the bottom of the second collecting cavity is connected into the shell of the driving device through the driving pipe, so that the universal rotating shaft is upwards connected with the rotating shaft of the cutter head of the shearing cutter head and downwards connected with the rotating shaft of the motor of the driving device; the through hole of the shearing cover is connected with the shell of the driving device to form a through cavity, the driving device drives the motor to work, the motor rotating shaft drives the shearing tool bit to rotate through the universal rotating shaft, meanwhile, the motor drives the suction fan to work to suck the auricle into the shearing cover from the through hole, the auricle is sheared by the shearing tool bit and then is collected into the first collecting cavity, and then the auricle falling from the collecting cavity is collected into the multilayer auricle collecting net technical scheme in the second collecting cavity through the through cavity, so that the invention can not generate faults due to accumulation of the auricle;
the scheme integrally solves the problem of how to safely trim and clear the ear hair after trimming, the invention can adapt to clinical requirements, has simple operation, rapid trimming, no hurt to the external auditory canal, safe use, reduced operation time increase and misoperation risk caused by external auditory canal damage, unclean ear hair trimming or the ear hair falling into the external auditory canal in operation, can be operated by one hand, and is convenient for the other hand to operate other instruments simultaneously; the deformation part is used for producing deformation outside the external auditory meatus, so that the shearing cover is attached to the external auditory meatus wall to shear, the external auditory meatus is not damaged, enough space around the external auditory meatus can be exposed, the sight is not blocked, the operation of a clinical doctor is convenient, the medical cost is saved, and meanwhile, the discomfort of a patient in the ear hair process can be relieved when the external auditory meatus is prepared.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The preoperative auricle removing device for skin preparation is characterized by comprising a shearing cover, wherein the shearing cover is a cylinder, a plurality of through holes are formed in the periphery of the shearing cover, and a shearing cutter head is arranged in the shearing cover to shear auricles entering from the through holes;
the bottom of the shearing cover is connected with the top of the first collecting cavity, and the first collecting cavity is provided with a hollow cavity; the top of the first collecting cavity extends downwards to form a first collecting part and the bottom of the first collecting cavity, the outer diameter of the bottom of the first collecting cavity is the same as that of the top and is smaller than that of the first collecting part, and the outer diameter of the first collecting part is smaller than that of the external auditory canal; the edge of the first earpick collecting net is propped against the inner wall of the first collecting part and is arranged above the bottom of the first collecting cavity;
the bottom of the first collecting cavity is connected with the top of the deformation part, and the outer wall of the deformation part is made of deformation materials and has deformation capacity; the universal rotating shaft is arranged in the outer wall and rotates through external force to drive the outer wall to deform;
the bottom of the deformation part is connected with the top of a second collecting cavity, and the second collecting cavity is provided with a second auricular hair collecting net in the same shape as the first collecting cavity; the bottom of the second collecting cavity is connected into the shell of the driving device through the driving pipe, so that the universal rotating shaft is upwards connected with the rotating shaft of the cutter head of the shearing cutter head and downwards connected with the rotating shaft of the motor of the driving device; through cavity is constituteed to the shell of drive arrangement by the through-hole of shearing cover, through drive arrangement driving motor work, and the motor shaft is rotatory to drive the shearing tool bit through universal rotation axis and rotate, and the motor drives the suction fan work simultaneously and inhales the shearing cover from the through-hole and collect in the first chamber of collecting after shearing by the shearing tool bit, again through the cavity of leading to, collect the auricle that a chamber of collecting dropped in the second chamber of collecting.
2. The preoperative ear hair removing device for skin preparation according to claim 1, wherein the top of the cutting cover is provided with a chamfering circular table, the center of the chamfering circular table is provided with a circular through hole, the angle and the height of the chamfering circular table are fitted with the narrow area inside the external auditory canal for setting, and the periphery of the cutting cover is provided with soft rubber except the through hole.
3. The pre-operative ear hair removal device for skin preparation of claim 1, wherein the shearing blade is a multi-blade rotary blade, the blades being evenly distributed about the blade axis of rotation;
the cutter head rotating shaft is fixed at the inner center of the shearing cover, so that the outer toughness of the cutter blade on the cutter head rotating shaft is attached to the inner wall of the shearing cover, and a shearing gap is reserved.
4. The pre-operative ear hair removal device for skin preparation as claimed in claim 1, wherein the top of the first collecting chamber is an adapter, the top inner wall of the adapter is tapped according to different sizes of the shearing cover, connected with the shearing cover, and the bottom outer wall is sleeved with threads, connected with the first collecting part;
the upper and lower both ends of first collecting portion inner wall are according to the tapping of the bottom outer wall of adapter and the top outer wall of deformation portion to leave the junction, the junction is not tapped.
5. The pre-operative ear hair removal device for skin preparation of claim 4, wherein said junction has a slot for placement of at least one first ear hair collection net, said first ear hair collection net being removably snapped into said slot;
the clamping groove is provided with one or a plurality of clamping grooves which are sequentially arranged.
6. A pre-operative ear hair removal device for skin preparation as claimed in claim 1, wherein said universal rotation shaft comprises a universal joint and a rotation shaft, said rotation shaft being connected to both ends of the universal joint;
the universal joint uses a ball joint or a Hooke joint, a spring is added at the joint to serve as a middle piece, the sensitivity of angle change is improved, and vibration of a mechanical transmission part is buffered.
7. The pre-operative ear hair removing device for skin preparation according to claim 6, wherein a shielding device is sleeved on the upper rotating shaft close to the universal joint, the top of the shielding device is fixed on the upper rotating shaft of the universal joint, the radial length of the edge of the outer wall is larger than the rotating diameter of the universal joint and smaller than the diameter of the inner wall of the deformation part, and an air suction channel is reserved on the inner wall of the deformation part, so that the ear hair slides to the edge of the outer wall along the top of the shielding device and enters the air suction channel.
8. The preoperative ear hair removing device for skin preparation according to claim 1, wherein the motor and the suction fan are arranged in the driving device, the front center of the suction fan is sleeved on the motor rotating shaft, the suction fan is arranged above the motor, the motor rotating shaft extends out of the shell of the driving device and enters the driving tube, a blocking structure is formed between the driving tube and the shell of the driving device, the motor rotating shaft is sealed in the driving tube, and meanwhile, the motor is fixed through the fixing device in the shell.
9. A pre-operative ear hair removal device as defined in claim 8, wherein said drive tube comprises a first occlusion and/or a second occlusion;
the first blocking part is buckled at the upper end of the driving pipe, the edge of the first blocking part is attached to the side wall of the driving pipe, the top of the driving pipe is blocked by at least one auricular hair filter screen, and the center of the auricular hair filter screen is provided with a first through hole for the power supply rotating shaft to pass through;
the second plugging part is buckled at the lower end of the driving pipe, the edge of the second plugging part is attached to the side wall of the driving pipe, the bottom of the driving pipe is plugged through at least one auricular hair filter screen, and the center of the auricular hair filter screen is provided with a second through hole for the power supply rotating shaft to pass through.
10. A pre-operative ear hair removal device as claimed in claim 1, 8 or 9, wherein said drive means has an air outlet at the bottom.
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| CN202310763641.1A CN116725768B (en) | 2023-06-26 | 2023-06-26 | Preoperative ear hair removing device for skin preparation |
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| CN202310763641.1A CN116725768B (en) | 2023-06-26 | 2023-06-26 | Preoperative ear hair removing device for skin preparation |
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