56 results about "Auricle" patented technology

The invention discloses a left auricle plugging device and a transport system. The left auricle plugging device comprises a stent and a plugging device body. Firstly, the stent is implanted and fixed on the left auricle inlet position, the double-tray-shaped plugging device body is released on the stent for plugging a left auricle, and therefore the problem of cerebral apoplexy caused by left auricle thrombus because of atrial fibrillation can be solved. The left auricle plugging device is provided with the self-expandable nitinol stent, the stent is firmly fixed on the left auricle inlet position by depending on anchoring thorns, and then the appropriate plugging device body is released on the stent. The transport system transports the left auricle plugging device to the left auricle position. Compared with the prior art, the stent is firstly fixed on the left auricle inlet position, then the double-tray-shaped plugging device body is released on the stent, and therefore release accuracy and implanting stability of the plugging device body are improved, and the plugging device body has selectivity. After release, the stent and the the plugging device body can be recovered to a catheter for relocation or replacement.

The invention discloses a method for describing three-dimensional auricle shape features based on local salience and two-dimensional main manifold. The method is high in shape feature approximation accuracy, and can effectively improve registering efficiency and precision. The method comprises the steps that salience feature values on an auricle point cloud are calculated based on the Gaussian weighted average of average curvature for the three-dimensional point cloud of the auricle, and descending ordering is carried out on all the salience feature values; the salience key points of the three-dimensional auricle point cloud are optimized and selected based on the rejection strategy of Poisson sampling; principal component analysis is carried out on shape information in neighbourhoods of the salience key points of the three-dimensional auricle point cloud based on a two-dimensional main manifold method, and two-dimensional main manifold curved surfaces are formed in a fitting mode; each two-dimensional main manifold curved surface is marked as a high-dimension feature vector, and the high-dimension feature vectors are compressed based on a linear descending dimension method to obtain low-dimension feature vectors of the salience key points of the three-dimensional auricle point cloud.

The invention discloses a left auricle occluder and a using method thereof. The left auricle occluder comprises an anchoring part, a connecting part and a covering part which are sequentially connected in the axial direction, the anchoring part comprises a first supporting net capable of contracting in the radial direction and a first fixing element, a plurality of anchoring elements used for grabbing left auricle tissue are arranged on the peripheral surface of the first supporting net, the first fixing element is detachably connected with the connecting part so that the anchoring part can beindependently arranged at the left auricle, the covering part comprises a second supporting net capable of contracting in the radial direction and a second fixing element, the second fixing element is arranged at the end, away from the connecting part, of the second supporting net, and pushing device connecting positions are arranged at the ends, away from the first supporting net, of the first fixing element and the second fixing element respectively. According to the left auricle occluder and the using method thereof, through the specific structures and connection relations of the anchoringpart, the connecting part and the covering part, the purposes that the occluder is flexible to use, and the adaptability of the left auricle occluder to left auricles of various forms is improved areachieved.

The invention discloses a left auricle closer conveying system. The left auricle closer conveying system comprises a control handle, a connecting rod and a head end, wherein the control handle is connected with the head end through a connecting rod; two clamping arms are arranged on the head end, and a closer is loaded between the two clamping arms; direction control ends, a field angle control end and a loading removal control end are arranged on the control handle; a direction control line is connected between the direction control ends and the head end, and the direction control ends can control the direction of the head end through the direction control line; a field angle control line is connected between the field angle control end and the two clamping arms, and the field angle control end can control the inclined angle of the two clamping arms through the field angle control line; and a loading removal control line is connected between the loading removal control end and the closer, and when the loading removal control line is disengaged from the closer by the loading removal control end, the closer is subjected to loading removal from the clamping arms. The invention aims to provide the left auricle closer conveying system which can reduce wound to a patient in the surgery process, and can accurately release the closer so as to clamp and close a left auricle.

The invention provides a left auricle occluder and a left auricle occluding system. The occluder can better realize repeated positioning, recovering and releasing of the left auricle occluder, and theproblem that in the surgery process, occluding brackets are tangled can be solved, so that the success rate of surgeries is increased. The left auricle occluder comprises the occluding brackets, a near end fixing piece and a far end fixing piece, wherein each occluding bracket comprises an occluding structure and a traction structure; a transporting machine comprises a pushing hollow pipe and a control rod; and under the driving of the control rod, the far end fixing piece moves facing the direction of the near end fixing piece until the first far end of the occluding structure is in a gathering state, the continuous moving of the far end fixing piece can be stopped, and the problem that the occluding brackets are overturned inwards and are tangled caused by manual misoperation is solved.

The invention relates to a left auricle occluder with bionic spinule attachment structures. The left auricle occluder at least comprises an attachment frame; the attachment frame includes a pluralityof elastic skeletons and a plurality of bionic spinule attachment structures; under a natural unconstrained state, the plurality of skeletons diverge outwards from the center and define a three-dimensional structure, and the attachment frame has anatomical form adaptability; the bionic spinule attachment structures are arranged on outer surfaces of the skeletons; each of the bionic spinule attachment structures has a form of imitating sparse spinules on the surface of a plant; each bionic spinule attachment structure includes a spinule root and a spinule; each spinule consists of a spinule body and a spinule tip; each spinule is in a straight line shape or a J shape or a combination of the straight line shape and the J shape; and the spinule bodies and / or the spinule tips can touch left auricle inner cavity tissues, thus realizing an attachment-type anchoring function. The left auricle occluder has a wide adaption range, has no injury during anchoring, is firm, has high safety, has excellent occluding effectiveness, and also facilitating realization of personalized customization aiming at clinical demands of patients.

The invention discloses a left auricle plugging device. The device comprises a plugging part, a connecting part and a fixing part. The plugging part is connected with the fixing part through the connecting part. The plugging part comprises a plugging supporting cage and a plugging film covering the plugging supporting cage. The plugging supporting cage is provided with a plurality of elastic openends in a circumferential direction. The elastic open ends protrude out of the plugging supporting cage and support the plugging film. The deformation resistance of the elastic open ends is 0.25 to 0.75 time that of the plugging supporting cage. The invention provides the left auricle plugging device. The framework of the plugging part comprises the plugging supporting cage with large deformationresistance and the elastic open ends with small deformation resistance. In this way, for left auricle openings with different specific shapes, the elastic open ends achieve certain adaptability through deformation. In the final plugging process, the cross sections of the plugging part and the plugging film may be special-shaped instead of circular due to deformation of the elastic open ends.

The invention relates to the technical field of medical instruments, in particular to an interventional left auricle ligator and a ligation system with the interventional left auricle ligator. The interventional left auricle ligator comprises a connecting pipe, a snare and a suture, the snare is a flexible ring with two built-in channels and is connected to a pipe opening in one end of the connecting pipe, an open seam connected with one channel is formed in the position, corresponding to the channel, of the inner side of the snare, and a deformable skeleton ring is embedded in the other channel of the snare. The suture penetrates through the two ends of the connecting pipe, a one-way knot is tied between the end of one end of the suture and the body of the connecting pipe to form a retractable ligature coil, the ligature coil is embedded in the corresponding channel from the open seam, the other end of the suture can be pulled outwards relative to the other end of the connecting pipe under the action of external force, and therefore the ligature coil is pulled out from the open seam and contracts. The interventional left auricle ligator has the advantages of being reasonable in structural design and capable of effectively conducting intracardiac ligature operation on a left auricle through percutaneous intervention.

The invention relates to a respiratory system for preventing ear pressure sores in the pneumology department. The respiratory system comprises a bed body, an oxygen mask and a supporting and adjusting assembly which is arranged on the bed body and can support and adjust the oxygen mask. According to the respiratory system capable of avoiding ear pressure sores for the pneumology department, through cooperative use of the bed body, the oxygen mask and the supporting and adjusting assembly, when a patient lies on a sickbed and needs to be assisted by the oxygen mask for oxygen supply, after the patient lies on the bed body, the height and angle of the oxygen mask can be adjusted through the supporting and adjusting assembly, thus the opening part of the oxygen mask can be attached to the nasal cavity of a patient as much as possible, and oxygen is supplied to the patient after the oxygen mask communicates with an external oxygen machine. According to the technical scheme, a traditional mode of binding and fixing the auricle part of the patient through a binding belt is eliminated, and the problem that pressure sores are caused outside the auricles of the patient when the patient uses a traditional oxygen supply mode is fundamentally solved.

The invention discloses a local orthosis capable of individually manufacturing a malformed position, can reduce interference to other positions, has a simple wearing method and is comfortable for a patient to wear. The orthosis comprises a front plate, a rear plate, a connecting plate, a helix baffle plate and an anthelix plate, wherein the front plate, the rear plate, the connecting plate, the helix baffle plate and the anthelix plate are in integral forming; the anteroposterior view of the local orthosis is of a "sector" shape, and the section of the local orthosis is of a shape of n of which the opening faces leftwards. The orthosis shapes the helix and the scapha through the main function of the front plate and the helix baffle plate; and through the main function of the rear plate andthe anthelix plate, the anthelix is shaped. The orthosis has a clipping and fixing function, the shapes of the helix, the scapha and the anthelix are effectively maintained, and the orthosis is unlikely to fall. A manufacture method for the local orthosis comprises the following steps of: S1: collecting data: shooting auricle front side and side surface photos with scales; S2: carrying out modeling: according to the size of the auricle and an anticipated corrected ear shape, designing the model of the orthosis; S3: carrying out reverse modeling: designing a mould of the orthosis; S4: printingthe mould; and S5: carrying out glue filling and forming.

The invention relates to a stent for plugging a body cavity and a left auricle plugging device. The left auricle plugging device comprises the stent, and the stent is provided with a head part and a tail part which are opposite; the tail part comprises a plurality of bulges, and the farthest ends of any two adjacent bulges are on different cross sections. The stent has the advantages that the problem that the tail of the stent is tangled is solved, it is guaranteed that the stent can be successfully released in the conveying process, and after being released, the stent can effectively plug the body cavity.

The invention belongs to the technical field of medical apparatus and instruments, and particularly relates to an ear massage instrument for tinnitus rehabilitation therapy, which comprises an arc-shaped connecting frame; power boxes are mounted at the two ends of the arc-shaped connecting frame; each power box is fixedly connected with an air bag; a small motor is mounted in each power box; an output shaft of each small motor is fixedly connected with a rotating shaft; each rotating shaft is fixedly connected with a conical block through a guide rod; massage rods are uniformly distributed in the circumference of each air bag, extend into the corresponding power box and are connected with the power box in a sliding manner; and an elastic rope is fixedly connected between the massage rods and the corresponding air bags. The small motors drive the rotating shafts to rotate, and then the guide rods drive the conical blocks to do circular motion in the power box, so that the conical blocks regularly extrude all the massage rods, and then the massage rods slide towards the air bags one by one and extrude auricles through the air bags at the positions, so that the massage uniformity is improved; and all acupuncture points on the auricles can be massaged, blood circulation is promoted, and auxiliary treatment of tinnitus rehabilitation is facilitated.

The invention relates to a wearable eeg signal detection device and a manufacturing method thereof. The device is used for being worn to the auricle of an organism to obtain eeg signals of the organism, each electrode unit of the device comprises an electrode, a substrate layer with a preset three-dimensional shape and a connecting line connected with the corresponding electrode; the substrate layer is used for bearing the electrode and the connecting line; the electrode units are attached to the target position of the organism; the electrodes are in contact with the target positions for detection to obtain detection signals; a treatment circuit performs receiving and analysis and treatment on the obtained eeg signals of the organism according to the detection signals, and when the eeg signals are determined to meet a response condition, corresponding reminding is given out; and a wearable housing is used for bearing the treatment circuit, and the structure shape of the wearable housing can cooperate with the auricle of the organism. The device provided by the embodiment of the invention can be worn for a long term, is good in wearing comfortable degree, is used for real-time monitoring of the eeg signals, and can give out reminding according to monitored results.

The invention discloses a left atrial appendage plugging device and system, and relates to the field of medical instruments, the left atrial appendage plugging device comprises: a first skeleton having a first conductive portion, the first conductive portion being used for transmitting first ablation energy to tissue; the second skeleton is provided with a second conductive part, the second conductive part is used for transmitting second ablation energy to the tissue, and the polarity of the first ablation energy is opposite to that of the second ablation energy; and the first insulating connecting piece is used for connecting the first framework and the second framework. By means of the left auricle plugging device and system, the operation difficulty of left auricle ablation and plugging one-stop treatment can be reduced, and the operation procedure is simplified.

The invention relates to a 3D printed mechanical bionic auricle cartilage tissue engineering scaffold and a manufacturing method thereof. A personalized auricle cartilage scaffold is printed accordingto an individual auricle cartilage structure model of a patient through a 3D printing technology, and the tissue engineering scaffold is formed by printing a biodegradable composite material (PLCL-PCL) of Poly-L-lactide-caprolactone (PLCL) and polycaprolactone (PCL) capable of being subjected to 3D printing disclosed in CN201910139657.9. The frameless, porous and pore-through auricle cartilage tissue engineering scaffold is good in biocompatibility, degradability and thermal stability, has a fine and complex three-dimensional structure of auricle cartilage, has the mechanical property characteristic similar to that of a corresponding anatomical region of natural human auricle cartilage tissue, is adaptive to the mechanical property of the natural auricle cartilage, and can be applied to construction of personalized tissue engineering auricle cartilage.

The invention relates to a pillow, in particular to a head position fixing pillow for preventing from pressing sores. The pillow comprises a headrest body. The headrest body is characterized in that the headrest body is in a valley shape with the middle low and the two sides high, and ridges on the two sides of the headrest body can assist the head of a patient in taking a neutral position; a rotatable soft pillow is arranged on the rear portion of the top of the headrest body, the soft pillow is in a wedge shape with one thick end and one thin end, the thin end of the soft pillow is connectedto the headrest body in a rotating mode, and a hollow cavity is dug in the portion, corresponding to the auricle of a patient, of the inner side face of the spine. When the head of the patient is ina side position, the soft pillow rotates leftwards or rightwards and is cushioned behind the brain of the patient, and the ears of the patient are located in the hollow cavity. The head position fixing pillow is ingenious in structure, reasonable in design, convenient to use, capable of stably keeping the head of a patient at the neutral position and capable of conveniently assisting in taking thehead to the side position when needed.

The invention relates to an oxygen supply device for preventing ear pressure sores in the nursing department and a use method thereof. The oxygen supply device comprises a bed body, an oxygen mask and a supporting and adjusting assembly, wherein the supporting and adjusting assembly is arranged on the bed body and can support and adjust the oxygen mask. According to the oxygen supply device for preventing ear pressure sores in the nursing department and the use method thereof, through cooperative use of the bed body, the oxygen mask and the supporting and adjusting assembly, when a patient lies on a sickbed and needs oxygen supply assisted by the oxygen mask, the horizontal direction of the oxygen mask can be adjusted through a rotating mechanism after the patient lies on the bed body; and then the height of the oxygen mask is adjusted through an ascending and descending mechanism, so that the purpose that an opening of the oxygen mask is attached to the nasal cavity of the patient as much as possible is achieved, and at the moment, the oxygen is supplied to the patient after the oxygen mask communicates with an external oxygen machine. By adopting the technical scheme, a traditional mode that the auricle part of the patient is bound and fixed through a binding belt is avoided.

The invention discloses a left auricle occluder with an occluding surface made of an absorbable material. The left auricle occluder comprises: a fixing disc, wherein the fixing disc is formed by a plurality of metal wires, and the fixing disc is provided with a plurality of barbs extending outwards; an occluding disc, wherein the occluding disc is made of a bioabsorbable material; and a flow choking film, wherein the flow choking film is made of a bioabsorbable material, and the flow choking film is arranged in the occluding disc in the radial direction. A plurality of brackets extending outwards are arranged at the near end of the fixing disc, and the fixing disc is connected to the occluding disc through the brackets. By using the left auricle occluder, after the left auricle occluder isoccluded on the left auricle, the occluding disc and the flow choking film can be partially or completely degraded and absorbed, so that the risks of allergy, inflammation, metal fatigue fracture andthe like possibly caused by high metal content in a human body are effectively reduced. Meanwhile, through the use of the brackets, the metal brackets are used for effectively rebounding and restoring the occluding disc to the preset shape and fixing the occluding disc to the corresponding part of the left auricle.

The auricle clamp comprises a binding line and a guide rod, the binding line is a hard line with elastic deformation capacity and comprises a threading end and a free end, the threading end is provided with a threading hole, and after the free end penetrates through the threading hole, the binding line defines a binding ring used for binding and sealing a left auricle. A plurality of ratchets are evenly distributed on the inner side of the bundling ring, and barbs used for being connected with the ratchets in a clamped mode to prevent the bundling ring from expanding are fixedly connected to the inner wall of the threading hole. The guide rod is used for guiding and conveying the bundling ring to an operation position, the guide rod comprises an operation end, a holding part and a connecting part connecting the operation end and the holding part together, a guide channel is formed in the guide rod in the length direction of the guide rod, and two orifices of the guide channel are located in the operation end and the holding part respectively. The free end of the bundling line penetrates through the guide channel. According to the auricle clip, the size of a wound needing to be cut in an operation is reduced, shielding of the auricle clip on the operation view is reduced, and therefore the risk of the operation is reduced.

The invention relates to the technical field of auricular point detection, and discloses an auricular point detection device. The auricular point detection device comprises an elastic connecting rod,an ear, a processor, a display screen and a camera. Supporting devices are correspondingly and symmetrically installed at the two ends of the elastic connecting rod, supporting sheaths are fixedly installed on the left sides of the supporting devices, the supporting sheaths are located on the outer sides of the ear, and the supporting sheaths movably sleeve a detection device. By arranging the supporting devices and a scanner, the ear is scanned before detection, then the scanner is inserted into the position behind the detection device, a three-dimensional coordinate system is established bytaking the front end of a detection head as an origin of coordinates, then the position of each acupoint is displayed on the display screen, so that an operator quickly finds the corresponding acupoints, the corresponding acupoints can be detected, the difficulty of finding and corresponding the acupoints on auricles is reduced, the requirement of the operator for traditional Chinese medicine acupoint recognition experience is reduced, and the personnel training cost is reduced.

The invention relates to the technical field of medical instruments, and discloses a left auricle plugging device. The left auricle plugging device comprises a plugging device framework, a release cap, a pushing rod and an adjusting line, the plugging device framework is installed at the first end of the release cap, the second end of the release cap is detachably installed on the pushing rod, and the pushing rod is used for conveying the plugging device framework to a preset position. The first end of the adjusting line is connected to the release cap or the plugging device framework, the second end of the adjusting line is connected to the end, away from the release cap, of the pushing rod, and the adjusting line is configured to adjust the installation position of the plugging device framework. According to the left auricle plugging device, control over the left auricle plugging device by a doctor is effectively increased, repeated positioning, releasing and recycling of the left auricle plugging device can be easily achieved, damage to human tissue is effectively avoided, the operation risk is reduced, the treatment cost is reduced, and pain of a patient is relieved.

A hairpin device (10) comprising:-a front element (12) extending along an extension direction (A) between a first end portion (12a) and a second end portion (12b); -two lateral elements (13, 14), each provided with a free first end (13a, 14a) configured to rest on the base of the auricle of the user; -articulation means (15) fixed to the front element (12) and the lateral elements (13, 14) and configured to connect each of the lateral elements (13, 14) to one of the end portions (12a, 12b) of the front element (12) to allow the lateral elements (13, 14) to rotate relative to the front element (12) between an open position and a closed position; -locking means (B) configured to hold the lateral elements (13, 14) in an open position relative to the front element (12) and optionally comprising (a) a first and a second holding element (16, 17) or (b) a cantilever element (160). The front element (12) is free of lenses and / or nose pads and is provided with at least one decorative element (11a, 11b, 11c).

A target positioning device and method based on a plecotus auritus double-pinna bionic sonar. An echo positioning device based on bionic pinnae of a bat can determine an azimuth and an elevation of a target to locate the spatial location of the target by using echoes obtained by two array elements, resolving a problem that two array element antennas cannot locate the space coordinates. In a positioning method based on bionic pinnae of a bat according to filtering characteristics of bat ears, a method for estimating a spatial location by a neural network is used, and a pulse string estimation method is used to reduce the error of estimated angles, to obtain a precise azimuth and elevation.

The invention discloses an auricle clamp conveying system. The system comprises a fixing base, a connecting rod, a handle device and a rotating mechanism, the rotating mechanism at least comprises a first connecting part, a second connecting part and a rotating shaft, a first shaft hole and a second shaft hole are formed in the first connecting part and the second connecting part respectively, therotating shaft penetrates through the first shaft hole and the second shaft hole to movably connect the first connecting part and the second connecting part, the handle device is connected with the rear end of the connecting rod, the front end of the connecting rod is connected with the first connecting portion, and the fixing seat is connected with the second connecting portion. The angle can beconveniently and freely switched, the operation is convenient, and the operation difficulty is reduced.

The invention discloses a protection device applicable to an auricle burn patient. The protection device comprises a head beam, two ear muff portions, two auxiliary devices and two detachable sealingportions, the two ear muff portions are arranged at the tail ends of the head beam, the two auxiliary devices are arranged outside the two ear muff portions, each detachable sealing portion is mountedarranged between each ear muff portion and the corresponding auxiliary device, burn ears can be protected by mounting the sealing portions, the ear muff portions can be matched with the auxiliary devices to facilitate ventilation at wounds by disassembling the sealing portions, bacteria breeding and infection are prevented, healing is facilitated, bactericidal lamps are arranged in the ear muff portions, bacteria breeding at the wounds can be further inhibited, infection can be further prevented, the auxiliary devices and the sealing portions are simply rotatably lifted and then can be disassembled, and the mode is more suitable for a moist exposed burn therapy as compared with a mode of changing dressings after disassembly of a lot of gauzes for wrapping the wounds.

The invention belongs to the technical field of medical instruments, and particularly relates to an extrusion type left auricle plugging device and a using method thereof. The extrusion type left atrial appendage occluder comprises an occluding balloon and a left atrial appendage occluder body, the end cover is detachably connected with the blocking balloon; the plugging balloon comprises a balloon body which is of a hollow structure, and at least part of the diameter of the outer circumference of the balloon body is larger than the diameter of a left auricle opening so as to plug the left auricle opening; the connecting piece is connected with the balloon body, a conveyor connecting part is arranged at the near end of the connecting piece, an end cover connecting part is arranged at the far end of the connecting piece, and an end cover is detachably arranged on the side edge of the far end of the balloon body through the end cover connecting part; the end cover is telescopic and has an expansion state and a contraction state, and when the end cover is in the expansion state, the outer edge of the end cover inclines towards the balloon body side. The attaching area of the outer edge of the end cover obliquely arranged and the blocking balloon is larger, and attaching is more stable.

The invention provides a left auricle ablation plugging device which comprises a supporting framework and an ablation piece arranged on the peripheral face of the supporting framework, a guide piece is arranged at the far end of the supporting framework, a connecting piece is arranged between the far end of the supporting framework and the guide piece, the connecting piece can swing relative to the axis of the supporting framework, and the left atrial appendage ablation plugging device comprises a left atrial appendage and a right atrial appendage. The guiding piece drives the connecting piece to bend until the ablation piece is attached to the proper position of the inner wall of the left auricle, the ablation piece is connected with an ablation energy source, and the ablation piece conducts annular ablation on the inner wall of the left auricle.