36 results about "Elastic compression" patented technology

The utility model relates to the technical field of water prevention and drainage of shield segments of long, large and deep-buried hydraulic tunnels, in particular to an active elastic compression rubber sealing gasket for shield segments of hydraulic water delivery tunnels. The sealing gasket placing platform is connected to the bottom of the hole opening through a tiny elastic structure, and an elastic sealing gasket is installed on the sealing gasket placing platform. According to the active elastic compression rubber sealing gasket for the shield segment of the hydraulic water delivery tunnel, the problems that in the prior art, due to the fact that material compression counter-force is insufficient, the compression volume of the sealing gasket is insufficient, the elastic sealing gasket is aged and fails after being used for a long time, and the sealing gasket falls off due to the segment structure splicing problem are effectively solved; the waterproof performance, the reliability and the durability are excellent, and a powerful guarantee is provided for safe and stable operation of the hydraulic tunnel.

This invention relates to the field of bridge reinforcement technology, and more particularly to an external prestressed reinforcement structure for bridges, including a bridge body and reinforcement components. The reinforcement components include a fixing member with a fastening bolt at its lower left end. The fixing member is threadedly connected to the bridge body via the fastening bolt. This invention, by incorporating components such as a support plate, sliding roller, elastic compression plate, and return spring, can automatically adjust its position during the natural shrinkage of the concrete repair layer. The sliding roller slides at the bottom of the elastic sealing plate, and in conjunction with the tension of the return spring, continuously applies reverse pressure, ensuring that the sealing plate remains tightly fitted to the repair layer. The elastic compression plate, under the action of the support spring and telescopic sleeve, can evenly distribute pressure, adapting to the curvature changes of the repair layer, avoiding localized stress concentration, and ensuring that the sealing protection of the concrete repair layer does not fail during the shrinkage and shaping process, preventing crack recurrence.

The invention provides a vascular intervention catheter fixing device which comprises a fixing piece, the fixing piece is provided with a limiting piece, the limiting piece is connected with elastic traction plates, the adjacent elastic traction plates are connected through an elastic compression plate, and plate bodies of the elastic compression plates are in an outer side longitudinal folding form. Elastic pre-tightening force is formed between every two adjacent elastic compression plates and elastic traction plates; when the elastic compression plate is subjected to the vertical inner side acting force, the middle plate body of the elastic compression plate is in a vertical sunken and bent state, and after the vertical inner side acting force on the elastic compression plate is removed, the plate body of the elastic compression plate is in an inner side longitudinal folded state; the lowest point of the middle plate body of the elastic compression plate in the vertical sunken and bent state and a groin puncture point form pre-tightening force to assist in distraction of groin area skin, the puncture point is pressed while the indwelling cannula is pulled out, a guide wire is fixed, arterial blood is prevented from overflowing from the puncture point, and meanwhile the situation that the guide wire slides to break a blood vessel or slide out of the blood vessel is avoided. And personnel assistance in the operation process is reduced.

The utility model relates to an anti-seepage structure of a PCCP (prestressed concrete cylinder pipe) interface, which comprises a socket and a bellmouth which are respectively arranged on two sections of PCCPs, and an insertion gap, the insertion gap comprises a first longitudinal gap, a transverse gap and a second longitudinal gap, and a first elastic potting material, an elastic compression rod and a sealant are sequentially arranged in the second longitudinal gap from inside to outside. According to the utility model, a comprehensive anti-seepage treatment structure combining the high-molecular elastic grouting material, the elastic compression rod and the flexible waterproof layer is adopted, so that a multi-layer waterproof system is constructed, the phenomenon of water leakage at the joint part of the PCCP can be effectively avoided, the durability of the anti-seepage structure is improved, and the repair frequency of the anti-seepage structure is reduced.

1. Name of the product in this design: Elastic Compression Bandage after Cervical and Thoracic Spine Surgery. 2. Purpose of this design: This design is used for applying pressure to the postoperative wound of patients after upper thoracic spine surgery. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses a springback supporting plate for shoes, which comprises a plate body, the plate body is a hard plate, the plate body comprises a supporting plate body, the supporting plate body is sequentially provided with a half sole part, a middle foot part and a heel part from front to back, the rear side edge of the heel part is connected with a heel supporting piece which is arranged in a downward bending manner and extends along the front side, and the heel supporting piece is connected with a sole part. The heel supporting piece is located on the lower side of the heel part, a torsion transition part is formed at the joint position between the heel supporting piece and the heel part, and a first elastic compression space is formed between the heel supporting piece and the heel part. When the heel part is subjected to external force, the heel supporting piece can provide better supporting, meanwhile, due to the buffering effect of the first elastic compression space between the heel supporting piece and the heel part, the heel part can feel the effect of resilience force when being subjected to downward pressure, the elastic shoe is good in resilience, in this way, a sportsman feels treading, and the sportsman feels comfortable. And the pedal has good stability and is more comfortable.

The application relates to the field of medical devices and discloses a hemostatic device which comprises a shell, a winding drum rotatably connected in the shell, a rotation-stopping part arranged between the winding drum and the shell, the rotation-stopping part being capable of locking or unlocking the relative rotation of the winding drum in the shell, a rotating cap sleeved outside the shell, the rotating cap being in transmission connection with the winding drum, the rotating cap being capable of driving the winding drum to rotate around an up-down direction axis, and an elastic compression assembly, two sides of the elastic compression assembly being respectively provided with connecting ends, the two connecting ends penetrating through the shell and being connected to the winding drum. The hemostatic device can flexibly adjust the compression force according to the use requirement by rotating the rotating cap, does not need to configure an additional power source, can stably maintain the compression force, has a simple and reliable overall structure, is convenient to carry, and is especially suitable for outdoor scenes.

This utility model relates to the technical field of endotracheal intubation tubes, specifically a connector for a tracheostomy cannula and a ventilator extension tube. The nested section of the connector consists of a sealing cavity and a cannula cavity. The sealing cavity contains a frustum-shaped sealing sleeve with an aperture no larger than that of the tracheostomy cannula. The sealing cavity also includes an elastic compression element and a movable door. The insertion section consists of an insertion cavity and a reinforcing part. After the insertion cavity of the insertion section is inserted into the ventilator extension tube, the reinforcing part provides secondary fixation between the insertion cavity and the ventilator extension tube. This utility model, through the addition of a sealing sleeve, enhances the sealing and firmness of the connection between the tracheostomy cannula and the connector. If the connector accidentally detaches from the tracheostomy cannula, the movable sealing sleeve helps prevent complete separation. Combined with the assistance of the movable door, the probability of water vapor ejection from the ventilator extension tube is greatly reduced, which is beneficial for normal oxygen supply.

The application discloses an orthopedic splint fixing device and a use method thereof, and relates to the technical field of medical auxiliary equipment. The orthopedic splint fixing device comprises a small-arm restraint shell provided with a small-arm bandage and a large-arm restraint shell provided with a large-arm bandage, and further comprises a hinge assembly arranged between the upper part of the proximal end of the small-arm restraint shell and the lower part of the distal end of the large-arm restraint shell, so that the degree of freedom between the small-arm restraint shell and the large-arm restraint shell is between 0 and 120 degrees. Through the cooperative design of the non-invasive sleeve hoop and the multi-degree-of-freedom hinge member, the biomechanical efficiency of fracture fixation is significantly improved. The elastic compression part and the mechanical adjusting system are adopted to realize dynamic pressure adaptation. During the swelling period, the elastic connecting part can absorb local compressive stress, and after the swelling is eliminated, the initial fixing strength can be maintained, so that the clinical pain point of secondary displacement of the traditional splint can be effectively avoided.

The utility model provides a threaded container capable of preventing children from opening, which comprises an upper cover, a box body and a sealing gasket capable of being elastically compressed, the sealing gasket is mounted in the upper cover, and a threaded structure is arranged on the outer side of the box body; a threaded body matched with the threaded structure is arranged on the inner side of the upper cover, a buckle is arranged at the front end of the threaded body in the thread extending direction, a second clamping groove is formed between the buckle and the threaded body, a first limiting body and a second limiting body are arranged on the threaded structure, and a first clamping groove is formed between the first limiting body and the second limiting body; when the upper cover and the box body are locked, the buckle is clamped into the first clamping groove, and the first limiting body is clamped into the second clamping groove. According to the utility model, after the upper cover is locked, the upper cover cannot be easily unscrewed by a child, so that the function of preventing opening by the child is achieved, the child is prevented from contacting objects (such as medicines and cleaning agents) which are not suitable for being contacted inside, and the safety risks of mistaken taking, mistaken touch and the like are reduced.

The utility model relates to the field of medical instruments, in particular to a hemodialysis internal fistula hemostasis bandage with an elastic pressing block, which comprises a strip-shaped elastic band with elasticity and a gauze block, a compression pad is connected onto the elastic band, a flexible adhesive layer and a plurality of bonding points are arranged on the front side of the compression pad, the bonding points are arranged on the periphery of the flexible adhesive layer, and the gauze block is arranged on the flexible adhesive layer. The front face of the compression pad is further provided with a protective film, and the protective film covers the flexible adhesive layer and the multiple bonding points. After the protective film is torn off, the flexible adhesive layer is bonded with the gauze piece, and the bonding point is bonded with the skin. The position of the gauze piece can be relatively fixed, and bleeding at the operation position is avoided; meanwhile, ventilation of the gauze piece can be guaranteed, and stuffiness infection at the operation position is avoided.

The invention relates to the technical field of offshore ice-resistant drainage devices, and provides an ice-resistant drainage device. The elastic compression-resistant component is arranged on the peripheral side of the single pile piece and rotationally connected with the single pile piece, an arc-shaped structure is arranged on the side, away from the single pile piece, of the elastic compression-resistant component, the concave face of the arc-shaped structure faces the single pile piece, the two ends of the arc-shaped structure extend in the direction away from the axis of the single pile piece correspondingly, and the arc-shaped structure can rotate in a telescopic mode relative to the axial direction of the single pile piece; radial impact force of sea ice on the single pile piece distributed in the axial direction is conducted to the middle area of the arc-shaped structure, so that the radial impact force of the single pile piece is buffered in a concentrated mode; and the flow guide assembly is arranged at the lower end of the elastic pressure-resistant part and used for collecting sea ice falling from the elastic pressure-resistant part. The elastic compression-resistant assembly transmits sea ice impact force from different directions and different axial positions of the single pile piece to the middle area of the elastic compression-resistant assembly to be buffered, and the comprehensive capacity for complex and changeable sea ice impact is improved.

The orthodontic appliance is characterized in that a stress dispersion elastic structure is arranged on the tongue side of the orthodontic appliance, and the stress dispersion elastic structure is in an elastic compression state before being in position and generates lip inclination and expansion force on the anterior teeth after being in position. The lingual stress dispersion elastic structure adopted by the invention can rapidly incline anterior teeth, is suitable for early intervention of class III malocclusion deformity when being applied to the upper jaw, is suitable for treatment of a patient with anterior teeth of the lower jaw inclining inwards when being applied to the lower jaw, and improves the correction efficiency.

The utility model discloses a pipe expanding tool for installing an elastic crimping assembly for a pincer channel pipe in a sleeved mode, the pipe expanding tool comprises an expanding seat and a core rod, the expanding seat comprises a straight pipe section, the left end of the straight pipe section is provided with a conical part capable of expanding, and a plurality of arc-shaped pieces are annularly arranged on the small-diameter end edge, facing the left side, of the conical part at intervals. The arc-shaped pieces define a penetrating hole used for being connected with an upper bent part of the pincer channel pipe in a penetrating mode, and the outer side faces of the arc-shaped pieces define an annular sleeving face used for being connected with the elastic pressing assembly in a sleeving mode. A conical head with the small-diameter end facing the left side is arranged at the left end of the core rod, a through hole used for penetrating through the bent part on the clamp channel pipe is formed in the core rod, and the conical head is inserted into a cavity of the conical part on the expansion seat from right to left. According to the pipe expanding tool, the installation difficulty is simplified, the overall operation steps are simple, the requirement for the technical level of operators is low, the installation precision and the installation efficiency of the elastic pressing assembly on the clamp channel pipe can be greatly improved, and the abrasion probability of the elastic pressing assembly in the installation process is effectively reduced.

The invention relates to a strain gauge based on a white light interference principle. The strain gauge is arranged to be fixed on the surface of a measured object to measure the strain of the object under a corresponding load condition, and is provided with a first fixing part, a second fixing part and an elastic deformation part arranged between the first fixing part and the second fixing part, the strain gauge is fixedly connected with a measured object through the first fixing part and the second fixing part; wherein the elastic deformation part is arranged to be capable of performing elastic compression deformation or tensile deformation along the axial direction of the elastic deformation part; the elastic deformation part is configured to be provided with a stress release hole which is axially symmetrical, and one or more pairs of deformation stabilization maintaining holes which are used for stabilizing interference cavity strain of the strain gauge when the elastic deformation part is axially and elastically compressed and deformed or stretched and deformed and are arranged in an axial symmetry mode. Some embodiments of the present disclosure aim to ensure nanoscale precision measurement while eliminating tracking errors in principle, so that the strain sensor has high precision and stable performance.

This invention provides a cardiology compression hemostasis device, belonging to the field of medical devices. It includes a closed elastic bandage made of textile material with elastic extensibility, a component mounting port located in the middle of the closed elastic bandage, an elastic compression mechanism, and a planar pre-tensioning adjustment mechanism. Internally, it includes a hollow inner annular body installed in the component mounting port, and three pull ropes arranged in a ring array that can move within the inner annular body and exert tension on one end of a first helical spring. This cardiology compression hemostasis device can provide elastic pressure adjustable compression hemostasis to wounds, thus possessing stable pressure resistance. Furthermore, the device adjusts the compression intensity through planar rotation, thereby reducing the longitudinal height of the compression components and reducing the range of motion restriction for the patient, thus minimizing the occurrence of secondary injuries caused by accidental impact at height.

This invention discloses a convenient plug-in fixed thoracic surgical anti-blockage drainage device, comprising a double-lumen drainage tube body. The tube body forms a main drainage lumen and an irrigation secondary lumen. A distal oblique incision is made on the common wall of the tube body to connect the two lumens. An elastic reservoir is connected to the proximal end of the irrigation secondary lumen, comprising an ellipsoidal bladder and an elastic compression ring fitted around the circumference of the ellipsoidal bladder. The elastic compression ring applies a continuous radial compression force to the ellipsoidal bladder, driving the irrigation fluid through the irrigation secondary lumen into the main drainage lumen from the distal oblique incision. The snap-fit ​​male connector has an elastic cantilever claw with a protruding hook on its outer wall, and an annular groove on the inner wall of the female connector. When the snap-fit ​​male connector is inserted into the female connector, the protruding hook engages with the annular groove to achieve axial locking. This invention solves the technical problems of retrograde infection risk and pleural air intake risk caused by the need to open the tubing during manual irrigation, achieving the technical effect that the lumen is never exposed to the external environment during irrigation.

The utility model relates to the technical field of flax processing, in particular to an elastic pressing device for a flax processing drawing frame, which comprises a supporting column, sliding grooves are formed in the positions, close to the top end, of the inner walls of the two sides of the supporting column, four sets of supporting springs are installed on the inner wall of the top end of the supporting column, and a moving rod is movably inserted into the top end of the supporting column. Through the arrangement of parts such as a sliding groove, a supporting spring, a mounting block, a screw rod, a magnet block, a moving rod, a fixing groove, a mounting disc, a handheld rod, a connecting plate, a mounting ring, a placing roller, a sliding block, a mounting sleeve, a pressing spring and a pressing sleeve, the problem that after flax slivers are discharged by an existing drawing frame, a pressing device needs to be used for pressing multiple sets of flax threads; the problems that most of existing pressing devices are fixed to the surface of the drawing frame through bolts, a special tool needs to be used for repeatedly rotating the bolts to adjust the pressing devices during adjustment, adjustment is troublesome, and the pressing devices are inconvenient to rapidly adjust are solved.

The invention relates to the technical field of medical supplies, in particular to a detachable jaw cyst postoperative pressurizing elastic band which is composed of a base band and a pressurizing band, and the two ends of the base band are detachably connected with the two ends of the pressurizing band through connecting elements to form a length-adjustable and elastic annular structural body. According to the detachable jaw cyst postoperative pressurizing elastic band, an oral surgeon can locally pressurize according to needs, the postoperative pressurizing process is accelerated, the surgeon can operate more conveniently, meanwhile, compared with the existing mode that rolled gauze is placed in a corresponding operation area of the face, the detachable jaw cyst postoperative pressurizing elastic band is more stable, and the operation efficiency is improved. The designed device is suitable for cysts of all parts of the upper jaw and the lower jaw, does not affect feeding of a patient, and improves the process of the jaw cyst pressurizing operation.

This invention provides a continuous suture system, including an outer component, an inner component, a locking component, multiple anchor assemblies, and sutures. The outer component has a sleeve and a shaft connected to the distal end of the sleeve. The inner wall of the sleeve has multiple annular grooves arranged axially. The inner component has a handle and a movable part connected to the distal end of the handle. The movable part has a pair of elastic parts that can be laterally elastically deformed toward each other. Each elastic part has a locking part on its outer side. The elastic parts can be in a laterally elastic rebound state when the locking part is inserted into the annular groove and in a laterally elastic compression state when the locking part is located between the annular grooves and disengaged from the annular grooves. The locking component has a locked state that restricts the elastic parts to the laterally elastic rebound state and an unlocked state that allows the elastic parts to deform to the laterally elastic compression state. According to this invention, the operator can only move the locking parts of a pair of elastic parts and insert them into the proximal adjacent annular grooves at a time, ensuring accurate replacement of one anchor assembly.

This invention relates to the field of medical device technology and discloses a multi-lumen medical catheter and medical device with an elastic compression-resistant structure. The catheter body includes an elastic compression-resistant partition, which is disposed within the inner cavity of the catheter body. The partition separates the inner cavity of the catheter body into a first lumen and a second lumen. The cross-section of the partition is asymmetrically S-shaped, and the partition includes a first arch and a second arch connected sequentially along its width. The first and second arches have opposite bending directions. The connection point between the first and second arches is the inflection point: the wall thickness of the first arch gradually decreases from its apex to the inflection point; similarly, the wall thickness of the second arch gradually decreases from its apex to the inflection point. By using an elastic compression-resistant partition with uneven thickness, elastic support is formed, preventing sudden collapse and ensuring the lumen remains unobstructed under extreme compression, thus preventing disruption to normal use.

This utility model discloses a flat knitted compression ankle brace in the field of ankle technology. The ankle brace includes an ankle sleeve, a support plate, elastic compression bands, and an adjusting band. The upper part of the ankle sleeve covers the leg, the middle part covers the ankle, and the lower part covers the heel. The adjusting band is located on the upper part of the ankle sleeve and tightens it around the leg. The support plate is symmetrically arranged inside both sides of the ankle sleeve to support the leg and ankle. The elastic compression bands are symmetrically arranged on both sides of the ankle sleeve, with the lower end of the elastic compression band connected to the bottom of the ankle sleeve, and the upper end of the elastic compression band detachably bonded to the tightening point of the adjusting band via an adhesive component. The advantage of this utility model is that it is a flat knitted compression ankle brace capable of adjusting the ankle dorsiflexion angle.

The invention discloses a disposable sterile elastic pressure bandaging dressing, and relates to the technical field of medical bandaging, the disposable sterile elastic pressure bandaging dressing comprises an inner moisture absorption layer made of a skin-friendly breathable moisture absorption material; the middle fixing layer is a mesh type tear-resistant micro-elastic fabric; the middle supporting layer comprises a plurality of strip-shaped cloth bags arranged in parallel and detachable supporting pieces and is used for adjusting and fixing local pressure; the outer-layer pressurization fixing band is formed by winding two pieces of trapezoidal elastic cloth in a crossed manner and realizes uniform pressurization through a hasp; and the pre-fixing bandage is used for quick positioning. The dressing adopts a multi-layer composite structure, has good hygroscopicity, air permeability and structural stability, supports the support sheet to be inserted or taken out as required, realizes personalized pressure regulation, and is suitable for sterile binding and pressurized fixation of postoperative wounds of fat plastic surgery, orthopedics department and trunk surgery. The whole body is disposable, cross infection is avoided, the operation is convenient, and the postoperative recovery effect and comfort are improved.

The invention relates to an elastic holding member (1) for fixing a timepiece component (2) on a support element (3), the elastic holding member (1) comprising a rigid portion (7) provided with an inner face (6) comprising at least three deformable arms (4) provided with free ends (9), the free end (9) defines an opening (12) into which the support element (3) can be inserted, and the arm (4) is configured to perform coupling with the support element (3) by elastically compressing and clamping the support element (3) in the opening (12).

The application provides a nut port riveting forming tool, which comprises a shell main body with a stepped hole structure penetrating through the inside, an elastic compression component and a guide component correspondingly arranged in the stepped hole, the guide component being used to guide the movement of the elastic compression component; a pressure flange is detachably arranged at one end of the shell main body, the pressure flange being connected with a pressure device; one end of the elastic compression component away from the pressure flange is a multi-limb split structure, and the end thereof forms an inner counterbore, the elastic compression component is controlled to move by an adjusting lever rod arranged on the shell main body, so that the inner counterbore clamps and holds a riveting nut port; in response to the downward pushing of the pressure device, the shell main body moves downward, the inner counterbore shrinks, and the port of the riveting nut is attached to the end of the stud. The nut port riveting forming tool can realize one-time forming of the port of the riveting nut and has stable shape, consistent riveting form, good anti-loosening effect and strong uniformity of the group of nuts.

Vascular occluder and methods for occluding a passage are provided. The vascular occluder comprises an elongated occluder body with an occluding section, and a tension member connected with one end thereof to occluder body. Occluding section forms a tubular bellows-like shaped structure comprising a plurality of bellows sections when in an elastically relaxed configuration, is elastically stretchable longitudinally from the elastically relaxed configuration to a delivery configuration, and elastically compressible longitudinally from the elastically relaxed configuration, by way of applying tension to the tension member, to a fixed deployed configuration.

1. The name of the design product: femoral postoperative elastic compression band. 2. The use of the design product: for postoperative wound compression and fixation of patients with upper femur. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to the technical field of rolling production, and discloses a cold rolling force setting method considering shear stress, which comprises the following specific steps: acquiring rolling parameters required for setting rolling force; according to the obtained rolling force parameters, elastic-plastic zone boundary conditions are obtained, and according to the Mises yield criterion of shear stress, normal pressure distribution of a front sliding zone and a rear sliding zone of the contact arc length, a neutral angle and the rolling force per unit width of a plastic zone are obtained; the unit width rolling force Fie of an inlet elastic compression area and the unit width rolling force F0e of an outlet elastic recovery area are obtained; and according to the plastic zone unit width rolling force and the plastic zone unit width rolling force, a total rolling force initial value is obtained, coupling iterative calculation of the total rolling force and the roll flattening radius is carried out till the convergence condition is met, and a final rolling force calculation result is output. According to the method, the Mises yield criterion considering the shear stress is adopted, the Bland-Ford normal pressure model and the rolling force model are corrected, the calculation method is reconstructed, the rolling force calculation precision is improved, and the strip steel rolling theory is perfected.

Surgical compressible constructs, assemblies, and methods of manufacturing, as well as methods for tissue repairs are disclosed. A suture includes one or more portions or regions provided with an elastically compressible component as part of its core. A suture can be manufactured by braiding a jacket or sheath around an elastically compressible material, or by inserting an elastically compressible material within a coreless region of a coreless suture.