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 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 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 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 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 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 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.

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 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 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.