55results about How to "Avoid oppression" patented technology

The invention discloses a wearable multi-parameter health-care vital sign monitor which comprises a monitor body, a fitting disc is arranged on the back of the monitor body, the monitor body and the fitting disc are fixedly connected through a connecting table, the back of the monitor body is fixedly connected with a supporting circular truncated cone, and the supporting circular truncated cone is fixedly connected with the fitting disc. The upper end face of the supporting circular truncated cone is fixedly connected with a guide base, the monitor body is located in the guide base, the monitor body and the guide base are arranged in an up-down elastic sliding fit mode, and a through hole used for receding the connecting table is formed in the middle of the supporting circular truncated cone. According to the device, the guide seat, the connecting table, the attaching disc, the through hole and the control combination are arranged, so that the attaching disc can reciprocate up and down, the pressing feeling on the skin can be relieved when the attaching disc reciprocates up and down, and meanwhile, heat dissipation and perspiration of the pressed skin can be facilitated; therefore, the accuracy of the vital sign parameters acquired by the monitor main body through the fitting disc can be improved, and meanwhile, the discomfort of the skin can be relieved.

The utility model belongs to the technical field of ophthalmologic operations, and particularly relates to a forehead and chin supporting frame for the prone position of a fundus patient, which comprises a fixing plate, guide rods are symmetrically fixed on one side of the top of the fixing plate, a shielding pad is fixed on the top of one end of each guide rod, and a first supporting pad is fixed on one side of each shielding pad. The outer side of the other end of the guide rod is movably sleeved with an adjusting plate, moving openings are symmetrically formed in the side wall of the adjusting plate, the guide rod penetrates through the moving openings, a second supporting pad is fixed to the top of the adjusting plate, the first supporting pad and the second supporting pad are both made of elastic materials, and an elastic rod is fixedly connected to the middle of the side wall of the fixing plate. The outer side of the elastic rod is movably sleeved with an observation plate, and a mirror surface is arranged on the top face of the observation plate. The face of a patient is supported, the eyes of the patient are prevented from being pressed, meanwhile, medical staff can conveniently observe the situation of the eyes of the patient from multiple angles by adjusting the angle of the mirror face, and the practicability of the whole supporting tool is improved.

This utility model discloses a nail removal device for environmentally friendly wooden door production, including a triangular plate. A handle is fixedly connected to the top of the triangular plate, and a nail-pulling plate is provided at the bottom of the triangular plate. This utility model belongs to the technical field of nail removers, specifically a nail removal device for environmentally friendly wooden door production that solves the problem of how nail removers are sometimes used to pry up and remove nails by clamping the nail remover onto a nail cover and using the corner of the nail remover as a fulcrum. In this method, the corner presses against the wooden door, causing damage, and the nail is not pried up perpendicular to the door, resulting in further damage to the door.

The application discloses a liquid nitrogen sampling heat preservation storage box and a storage method, relates to the technical field of storage devices, and comprises a box body, a box cover arranged on the box body, a liquid nitrogen filling opening arranged on the box body, and a limiting device arranged in the box body. The limiting device comprises a first limiting plate for limiting the bottom surface of a sample placed in a sample bag and a second limiting plate for limiting the top surface of the sample placed in the sample bag. The first limiting plate and the second limiting plate are both hollow structures. The first limiting plate and the second limiting plate are immersed in liquid nitrogen, the overall, rapid and uniform cooling of the sample is realized, and the integrity of nucleic acid is maximally protected. Mechanical damage of the sample caused by the exposure of the sample to the liquid surface due to buoyancy or the collision and friction of the sample with the box cover and the side wall is prevented, and the freezing stability of the sample and the nucleic acid preservation quality under a complex transportation environment in the field are improved.

The utility model discloses a kind of laser device and laser therapeutic instrument, including first laser, second laser, beam synthesis subassembly and optical fiber;The first laser is used for emitting holmium laser towards the beam synthesis subassembly;The second laser is used for emitting thulium laser towards the beam synthesis subassembly;The beam synthesis subassembly is used to beam combining the holmium laser emitted by the first laser and the thulium laser emitted by the second laser into mixed light beam, and the mixed light beam is output to the optical fiber.Wherein, laser device can generate the mixed light beam of holmium laser and thulium laser when working to beam combining, and mixed light beam is guided to target position (such as the region needing treatment) by optical fiber, so that corresponding treatment can be carried out using mixed light beam, so that the treatment effect of holmium laser and thulium laser can be considered.

The utility model discloses a gynecological examining table, and relates to the technical field of gynecological auxiliary equipment. Comprising a bed body, foot bearing mechanisms are arranged on the two sides of the tail of the bed body and used for bearing feet, when the feet of a patient lying on the bed body are placed on the foot bearing mechanisms, the legs are in an upward bending state, and each foot bearing mechanism comprises a height adjusting support arranged on the bed body and a foot supporting plate arranged on the height adjusting support; the medical treatment bed further comprises an anti-splashing type bearing structure which is arranged at the tail end of the bed tail of the bed body and used for bearing medical waste generated in the diagnosis and treatment process, and the anti-splashing type bearing structure comprises a main bearing vessel and a liquid collecting vessel which is arranged below the main bearing vessel and communicates with the bottom of the main bearing vessel. An anti-splashing structure is arranged in the main receiving vessel and used for preventing liquid falling into the main receiving vessel from splashing.

This invention provides an integrally molded tooling for a grain-carrying support. The tooling includes a braiding shaft with removable protrusions on its circumferential side. These protrusions are used to integrally form a mesh-like protrusion structure that matches the shape of the mesh-like groove structure when the support body is braided along the braiding shaft. After braiding, the protrusions can be removed from the mesh-like protrusion structure. The tooling also includes a braiding shaft for supporting the support body, a clamping assembly for fixing the support body relative to the braiding shaft, and a pressing groove member. The braiding shaft has a stamped groove, and the pressing groove member cooperates with the stamped groove. When the pressing groove member is embedded in the stamped groove, it causes the mesh-like protrusion structure to be pressed into the stamped groove, forming the mesh-like groove structure by turning inward toward the axis of the support body. Removing the tooling yields a grain-carrying support with an integrally formed mesh-like groove structure.

The application discloses a visual cleaning device for cleaning or medicine feeding of a human cavity such as a vagina or a rectum, which comprises a cleaning device shell, a cleaning assembly, a camera assembly and a flexible expansion assembly; the flexible expansion assembly comprises a plurality of flexible air bags arranged in a circumferential direction on a surface of an insertion end, and each flexible air bag is independently controlled by a control module, so that the flexible air bags are controllably contracted or expanded; on one hand, the flexible air bags in an expanded state are in flexible contact with an organ, so that the use comfort of the cleaning device is improved; on the other hand, the flexible air bags in a contracted state can form an avoiding space to avoid a wound surface; the camera assembly comprises a camera arranged at an end of the insertion end and is used for observing the inside of the cavity in real time. Through the cooperative design of the assemblies, the visual cleaning device realizes the functions of flexible expansion introduction of the cavity, visual accurate operation and selective wound surface avoiding, and mechanical damage to the human body is avoided, and the comfort of a patient is improved.

This invention relates to the field of medical device technology and discloses a hemostasis device and method for a hemodialysis room. The hemostasis device includes a strap and a connecting assembly. The connecting assembly includes a retainer and a retaining plate disposed at both ends of the strap. The retainer and retaining plate are detachably engaged to fix the strap to the patient's limb. An adhesive sheet is connected to the inner side of the strap near the retainer. The inner side of the strap of this invention is provided with a hemostatic airbag group, an inflation / deflation control mechanism, and at least two sets of pressure-reducing airbags. The hemostatic airbag group presses hemostatic cotton against the puncture point on the surface of the patient's limb to achieve hemostasis. The pressure-reducing airbags are distributed around the puncture point in the circumferential direction of the patient's limb. When one set of pressure-reducing airbags is inflated, the inflation / deflation control mechanism deflates another set of pressure-reducing airbags, thereby switching the position of the pressure-reducing airbags on the surface of the patient's limb and preventing one set of pressure-reducing airbags from pressing the same position on the surface of the patient's limb for a long time.

The novel bra provided by the utility model adopts a double-layer composite cup structure, the outer layer is made of an elastic mesh fabric, the inner layer is made of a skin-friendly fabric and extends upwards to form an extension part, and the extension part extends from the top of the cup to the heart-shaped position, so that the wrapping property of the breast is enhanced; the bearing system is composed of a side piece and a heightened gauze rear piece, the surface of the rear piece is provided with a supporting belt extending to the connecting position of a steel ring, and a vertically-arranged rubber band is used for improving the side receiving force; the adjustable widened shoulder straps are rigidly connected with the rear wings through the steel rings and are matched with the semi-surrounded U-shaped steel rings to form a three-dimensional supporting system; an ultra-thin traceless back buckle system is provided with three rows of adjusting buckle positions, and pressure distribution is optimized by combining the design that the width of the side edge is gradually changed. Through the composite bearing structure, the multi-point steel ring support and the ergonomic adjusting system, the double improvement of wearing comfort and bearing stability is realized, and the technical problems that the shoulder straps of the traditional bra slip off, the back tightening marks exist, and the supporting force is insufficient are particularly solved.

The invention relates to the technical field of cable protection, in particular to a cable protection sleeve. The protective sleeve comprises an inner layer, a middle layer and an outer layer, the middle layer comprises a first layer and a second layer, the first layer is fixedly connected with the inner layer, and the second layer is fixedly connected with the outer layer; the first layer is made of a glass fiber reinforced composite material, the second layer is of a grid framework structure made of a shape memory alloy material, the grid framework structure is embedded in the first layer, and inner grid spaces of the grid framework structure are filled with magnetorheological elastomers; the inner layer is a waterproof insulating layer sprayed on the first layer; the outer layer is made of a modified polyurethane material and is of a corrugated structure; the cable protection sleeve is provided with an opening structure, sealing parts are arranged on the two sides of the opening structure, the sealing parts on the two sides can abut against each other in a matched mode so that the installation cavity channel of the inner layer can be sealed and isolated from the outside, and the sealing parts are made of rubber materials. A plurality of rubber supporting rings are arranged on the inner wall face of the inner layer and protrude out of the inner wall face of the inner layer, and heat conduction grooves are formed in the rubber supporting rings.

The utility model provides a kind of anti-falling culture stone wall system of sticking anchor integration, including wall base layer, thermal bonding layer and wall surface thermal insulation layer, culture stone bonding layer and culture stone layer that are sequentially arranged from inside to outside;Wall surface thermal insulation layer is connected with wall base layer by thermal fixing assembly;Thermal fixing assembly includes arrayed thermal nail;Thermal nail is anchored in wall base layer by penetrating wall surface thermal insulation layer, and the outer end of thermal nail is sequentially sleeved with fastening disc and rubber pad;Culture stone bonding layer is arranged on the outside of wall surface thermal insulation layer, and steel lath is laid in culture stone bonding layer;Steel lath is tied and connected on the outer end of thermal nail;The inner side of culture stone layer is embedded with fastening nail, and the nail body of fastening nail is inserted into culture stone bonding layer and forms mechanical engagement with steel lath.The utility model solves the technical problems that traditional culture stone construction has high risk of bonding failure, local bonding failure may cause large-area falling and quality is influenced by operator's responsibility and technical level.

The utility model belongs to the field of nasal feeding tube fixing device, especially a kind of digestive nursing nasal feeding tube fixing device. The technical includes face guard, the ear hanging of face guard top two sides is provided, face guard front side wall is provided with nose cover, and the first through slot of front and back intercommunication is established in nose cover bottom, at least one limiting pipe for wearing nasal feeding tube is arranged in first through slot, and limiting pipe is in first through slot Swing left and right. The utility model is provided with face guard and ear hanging, which is convenient to wear on the face of patient through ear hanging, and the structure of nose cover is also provided, which is convenient to make the nose of patient more comfortable, and the fixing effect can be improved to prevent direct falling off to a certain extent through the structure characteristics of nose, and the nasal feeding tube is fixed through the setting of limiting pipe, then the position of nasal feeding tube in nasal cavity is adjusted by left and right swing limiting pipe, to avoid the compression of nasal feeding tube to nasal cavity.

The invention relates to the field of medical auxiliary instruments, in particular to a spinal endoscopic dura mater retraction device which comprises a puncture component, and the puncture component is used for percutaneous puncture to the position close to a spinal canal dura mater; a suspension part is arranged in the puncture part, and the suspension part is used for extending out of the puncture part and being connected with the cut edge of the dura mater. An operation part is further arranged on the puncture part, and the operation part is used for adjusting the retraction force applied to the dural mater by the suspension part; by controlling the operation part, the suspension part is fixed and retracts the dura mater to expose the spinal cord tissue. Through the integration of puncture, suspension and operation components, the traction of the dura mater under the minimally invasive condition of the spine endoscope is realized.

This invention discloses an adjustable pressure dressing for drainage tube leakage, relating to the field of medical device technology. The dressing includes a main body with a central sponge channel and an adjustable pressure spiral plug structure. Through the steps of disinfecting the puncture site, covering and fixing the dressing, and adjusting the pressure according to the leakage situation, effective control of drainage tube leakage is achieved. This invention can provide personalized pressure support, reduce fluid leakage around the puncture site, lower the risk of infection, improve patient comfort, reduce nursing workload, and shorten the healing time of the puncture site, demonstrating significant clinical application value.

This utility model relates to the field of thermal insulation technology, specifically to an ergonomically designed heated sock with an inner lining. The sock includes an inner lining, one side of which is fixedly connected to a heating wire for foot heating. The heating wire includes a segment located in the arch of the foot, and the other end of the arch segment is fixedly connected to a segment that avoids the sesamoid bone of the first metatarsal bone. The beneficial effects of this device are: the arch segment of the heating wire is routed in the concave arch of the foot, providing warmth and preventing foot discomfort; the segment that avoids the sesamoid bone protrusion prevents the heating wire from compressing the sesamoid bone, improving foot comfort. Since the proximal and distal phalanges of the human foot protrude upwards through the middle phalanx, forming a continuous concave area between the sole and toes, the middle phalanx segment and the middle phalanx loop segment are routed in this concave area, providing warmth and preventing the heating wire from compressing the toes, further enhancing comfort.

The utility model relates to medical equipment technical field, concretely disclose a surgical position fixing frame, including operating bed body, controlling means, buzzer and timer, still include: position fixing subassembly, position fixing subassembly is provided with two groups, is arranged respectively at the outside both sides of operating bed body, and the setting of position fixing subassembly is used for fixing the hand of patient, position fixing subassembly includes rack, gear and connecting frame respectively, connecting frame does linear motion along rack, and the fixed position of hand is flexibly adjusted, medical staff can flexibly adjust the position of hand fixed according to the operation demand, improve the adaptability and flexibility of operation, the inflation of air bag can provide uniform fixing force, avoid the local compression and blood circulation that traditional restraint belt can cause are not smooth, medical staff can adjust the inflation of air bag and the position of moving connecting frame according to the actual situation in the operation process through controlling means at any time, avoid long -term oppression same position.

This utility model discloses a flat knitting needle, including a needle bar and a spring plate. The spring plate includes an integrally connected fixed section, a connecting section, a first abutment section, a raised section, and a second abutment section. The fixed section is fixedly connected to the needle bar. The connecting section connects the fixed section and the first abutment section. The raised section connects the first abutment section and the second abutment section. The first and second abutment sections abut against the needle bar respectively. The raised section protrudes in the direction away from the needle bar, forming a needle insertion gap between the raised section and the needle bar. In this utility model, the raised section of the spring plate forms a needle insertion gap with the needle bar, allowing a matching knitting needle to be inserted. Stable support is provided on both sides of the raised section, thus maintaining the stability of the needle insertion gap and allowing for smooth insertion of the matching knitting needle.

A width-adjustable backrest comprises a fixing plate and a plurality of back backup plates, guide rods which are bilaterally symmetrical and parallel to each other are arranged on the front side face of the fixing plate, backup plate mounting seats capable of sliding up and down penetrate through the upper portions and the lower portions of the two guide rods respectively, and the backup plate mounting seats are positioned and fixed through locking devices respectively. The two sides of the front side of each backup plate installation base are each elastically fixed with a back backup plate through an elastic structure, a gap is reserved between the left and right back backup plates, and the elastic structures are slidably and adjustably connected with the corresponding positions of the front sides of the backup plate installation bases through sliding adjusting devices and used for adjusting the distance between the left and right back backup plates. The distance between the left back backup plate and the right back backup plate, namely the width of the whole back plate, can be conveniently adjusted according to the requirements of customers, all-directional adaptive adjustment of the seat back plate is achieved, the whole adjusting process is simple and rapid, the back supporting requirements of the customers are better met, and the users feel more comfortable when leaning on the seat back plate.

The utility model provides a lower limb supporting device for an operating bed. The lower limb supporting device comprises a base frame, a thigh frame, a shank frame and a foot bracket. The base frame is fixed on an operating bed; one end of the thigh frame is rotationally connected with the base frame; the other end is rotationally connected with one end of the shank frame; the foot bracket comprises a foot pedal and a connecting plate; the connecting plate is rotationally connected with the other end of the shank frame, an arc-shaped concave surface is arranged on the inner side of the connecting plate, and the foot bracket can move horizontally and is locked and fixed with the base frame. During use, the base frame is fixed to a designated position of an operating bed, the foot bracket is moved, the thigh frame and the shank frame are adjusted to preset angles, and the foot bracket and the base frame are locked and fixed through the locking structure. According to the utility model, the thigh frame, the shank frame and the foot bracket are rotatably connected, and the foot bracket can be horizontally moved and locked and fixed, so that the lower limbs can be effectively supported and flexibly adjusted, and the requirements of different operative positions can be met; the arc-shaped concave surface of the connecting plate is matched with the outline of the heel, so that the heel of the patient can be prevented from being pressed, and the tolerance of the patient is improved.

The utility model relates to the field of warm -keeping technology, concretely is a kind of heating gloves based on ergonomics, including glove lining, the heating wire is fixedly connected with in the palm side of glove lining, the heating wire includes by the distribution of large metacarpal segment in the inside of large metacarpal from the rima glottidis, the beneficial effect of the present device is: utilize the concave structure of human palm, distribute in palm concave place by hypothenar segment, large metacarpal segment and phalangeal joint avoidance section, avoid electric heating wire compression muscle and metacarpal joint while ensuring heating and keeping warm;By metacarpal joint avoidance return section and metacarpal joint avoidance section, avoid the joint protrusion of second metacarpal to fifth metacarpal and proximal phalanx;Again by phalangeal joint avoidance section along the joint of proximal phalanx and middle phalanx distribution, utilize the concave wiring formed by finger natural bending, avoid heating wire compression joint and muscle, finally realize finger heating while improving comfort.

The invention discloses a liquid collecting bag for shoulder joint surgery and a drape with the liquid collecting bag, and belongs to the technical field of surgical liquid collecting bags. The liquid collecting bag for the shoulder joint operation comprises a liquid collecting bag body, the liquid collecting bag body comprises a bag opening, and the liquid collecting bag is characterized in that the edge of the bag opening is divided into a first section and a second section, the first section is provided with a shielding part, hanging parts are arranged at the two ends of the shielding part, and the second section is located in the big arm direction of a shoulder joint. On the basis of effectively collecting the flushing waste liquid flowing down along the shoulder joint through the bag opening of the liquid collecting bag, the flushing waste liquid reflected and splashed by a surgical incision or the skin of the shoulder joint can be effectively collected through the shielding part in the vertical state. The liquid collecting bag for shoulder joint surgery and the component thereof are simple in structure, can be laid in an arm hanging state, are simple to operate, reasonable in design and easy to manufacture, and are beneficial to clinical application and popularization.

The invention relates to the technical field of orthopedic traction frames, in particular to an adjustable orthopedic traction frame with an angle locking function, which comprises a first adjusting assembly, a second adjusting assembly, a third adjusting assembly and a constant force assembly, the first adjusting assembly comprises a fixed arm, an adjusting arm and a traction arm, one end of the fixed arm is used for being fixed with the outside, and the other end of the fixed arm is used for being fixed with the inside; the other end of the fixed arm is rotationally connected with the end of the adjusting arm, the other end of the adjusting arm is rotationally connected with the traction arm, and a locking assembly is arranged at the rotational connection position of the fixed arm and the adjusting arm and used for locking relative rotation of the fixed arm and the adjusting arm. The first adjusting assembly is matched with the locking assembly to adjust the initial angle of the traction arm, the cooperation of a first limiting sleeve and a second limiting sleeve in the second adjusting assembly and the locking effect of a second adjusting lead screw and a locking rotary knob are combined, dual fixation of the angle and the height of the traction arm is achieved, and it is ensured that the traction arm can be attached to the leg; and the traction direction is kept consistent with the leg length direction.

The application discloses a locally visible medical hydrogel eye-protecting patch and belongs to the technical field of eye-protecting patches. The eye-protecting patch comprises a nose pad, the side wall of the nose pad is fixed with protective sheets in an arc structure, two protective sheets are fixed in mirror image about the nose pad, the side, away from the nose pad, of each protective sheet is connected with a bandage, the inner wall of the arc of each protective sheet is attached with a hydrogel patch, the inside of the side, close to the nose pad, of each protective sheet is provided with an observation port, the outer wall of the arc of each protective sheet is slidably connected with a cover-rolling assembly, the side, close to the observation port, of each hydrogel patch is provided with a closed section, and the side of each hydrogel patch is provided through the inside of the observation port. The cover-rolling assembly comprises a rolling component. The observation port is arranged on the side, close to the nose pad, of each protective sheet, thereby providing a structural basis for local visibility. The closed section is arranged on the hydrogel patch in correspondence, and the hydrogel patch penetrates through the observation port, thereby realizing the basic closure of the back wall of the observation port. When temporary observation or walking is needed, the hydrogel patch only needs to be moved to open the observation port, thereby improving the convenience of using the eye-protecting patch.

This utility model relates to the field of automatic adjustment fixture technology. This application discloses an automatic adjustment fixture for optical glass polishing, including a fixture bracket and a servo cylinder. The servo cylinder is fixedly installed on the top surface of the fixture bracket. A movable clamping plate is slidably arranged inside the fixture bracket. The output end of the servo cylinder slides through the fixture bracket and is fixed to the top surface of the movable clamping plate. A negative pressure chamber is opened inside the movable clamping plate. Several air guide holes are equidistantly opened at the bottom of the negative pressure chamber. An air guide pipe is fixedly fixed through the top surface of the movable clamping plate. This utility model can clamp and fix optical glass of different thicknesses by combining clamping and negative pressure adsorption. While ensuring clamping stability, it also avoids excessive pressure on the optical glass due to excessive force. It solves the problem of low safety in the use of existing automatic adjustment fixtures for optical glass polishing and improves the safety of the fixture during use.

This utility model relates to the field of medical device technology and discloses a quick-adjustment buckle for a patient limb fixation strap during CT examinations. It includes a strap body with a T-shaped groove at its top. A T-shaped slider is slidably connected to the inner wall of the T-shaped groove, and the top of the T-shaped slider is fixedly connected to the bottom end of the elastic fixation strap. This utility model adjusts the position of the elastic fixation strap by sliding the T-shaped slider within the T-shaped groove, ensuring the elastic fixation strap roughly covers the limb area requiring fixation. Then, a locking pin is engaged with a suitable limiting fixation hole. When selecting the limiting fixation hole, consideration should be given to ensuring both effective fixation of the patient's limb and patient comfort. The magnetic buckle is then engaged with the locking pin to complete the fixation of the patient's limb. At this point, the elastic wristband pad contacts the patient's limb, and the elastic fixation strap generates appropriate elasticity according to the shape and condition of the patient's limb, ensuring both stability and comfort.

The utility model discloses an appendix support, including leading in device, moving device and support, the movable moving device is arranged in the leading in device, the output of leading in device is provided with the support, the moving device can drive the support to export outward through leading in device, above all, can prevent the component unexpected and hurt that comes out, can carry out the fine adjustment of support to the support design and fit appendix lumen structure, can better fixed, and the device simple operation realizes the single -handed operation of main knife doctor, and the other hand can operate endoscope, need not auxiliary tool, improve operation efficiency and accuracy.

An earphone curved surface chip glue sealing tool comprises a bottom plate and a pressing plate, one side of the pressing plate is hinged to the bottom plate, so that the pressing plate can be turned over to cover the upper end face of the bottom plate, one side of the bottom plate is provided with an extension block, and the upper end face of the extension block is provided with a chip placement groove; one side, far away from the bottom plate, of the chip placement groove is upwards inclined; an inclined surface structure and a profiling cambered surface structure which are consistent with the chip placement groove in inclination angle are arranged in the chip placement groove, and a curved surface structure at the bottom of the earphone integrated chip is placed through the profiling cambered surface structure; the upper end face of the bottom plate is provided with a circuit board containing groove connected with the chip containing groove, the pressing plate is provided with a protruding block capable of covering the upper end face of the extending block, and the lower end face of the protruding block is provided with a pressing face corresponding to the inclined face structure and consistent with the inclined face structure in inclination angle. According to the utility model, through the inclined chip placement groove and the inclined surface structure and the profiling cambered surface structure in the inclined chip placement groove, the close attachment of the earphone integrated chip and the circuit board and the uniform distribution of glue are ensured, and the packaging precision is improved.

The invention relates to a wafer tape-out quality inspection device, and relates to the technical field of chip manufacturing, the wafer tape-out quality inspection device comprises a connection support column used for supporting a chip backboard, the connection support column is fixedly installed on a transmission slide block, and the top of the connection support column is provided with an adsorption port. According to the invention, support and vacuum adsorption are carried out below a chip backboard (a non-circuit surface) through the connecting support columns, and then the chip is driven by the conveying chain to horizontally move to a quality inspection station. In the process, a suction nozzle and other components are completely prevented from contacting, pressing or rubbing a precise circuit on the front surface of the chip from the upper part, so that the core problem that a chip circuit is scratched, polluted or damaged by static electricity due to the fact that an adsorption position is deviated in the background technology is thoroughly solved, and the safety and yield of the chip in the transfer process are remarkably improved; the method is especially suitable for quality inspection and circulation of high-precision and high-value chips.

The invention provides a protection device for preventing spinal nerve compression, and relates to the technical field of medical devices. The device comprises a protective sleeve and a fixing frame, the protective sleeve comprises a built-in arc plate and an external arc plate, one side, close to a spinous process, of a spine is provided with an operation opening leading to a spinal canal, the built-in arc plate is inserted between one side, away from the operation opening, of a spinal nerve and the inner wall of the spinal canal, and the external arc plate is connected with the internal arc plate. One end of the external arc plate is detachably connected with one end of the internal arc plate, and the other end of the external arc plate is detachably connected with the other end of the internal arc plate; the fixing frame is fixedly connected to the spine, and the protective sleeve is detachably connected with the fixing frame. The method has the effects of simplifying the operation process and reducing the operation difficulty.