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2400 results about "Push and pull" patented technology

Occluder device double securement system for delivery/recovery of such occluder device

Devices, delivery systems and delivery techniques for an occlusion device for the closure of physical anomalies, such as an atrial septal defect, a patent foramen ovale (PFO), and other septal and vascular defects are described. The devices, delivery systems and delivery techniques relate particularly to, but are not limited to, a patent foramen ovale (PFO) occluder made from a polymer tube. Specifically, a petal-shaped occluder with a catch system is provided within a delivery sheath. In certain embodiments, the delivery system includes a first securement system for securing a first end of the occluder and a second securement system for securing a second end of the occluder to a delivery catheter and a delivery wire contained in the delivery system. The securement enable the deployment (and retrieval) of the device. The securement systems enable pushing and pulling of respective ends of the occluder to expand and contract the device by varying its axial length. In one aspect, the first securement system employs a threaded connection and the second securement system employs a suture connection. In another aspect, the first securement system employs a threaded connection and the second securement system employs a collet finger connection. The securement systems are detached when the device has been properly positioned. The securement systems can be manipulated by control systems provided in the control portion of the delivery system.
Owner:WL GORE & ASSOC INC

Movable multifunctional collodion cotton mop

The invention discloses a movable multifunctional collodion cotton mop. The mop comprises a mop rod 1, a handle 2, a push-and-pull rod 3, collodion cotton 4 and a movable dewatering and clamping mechanism, wherein the upper end of the push-and-pull rod 3 is arranged on the handle 2 through a connecting pin, and the lower end of the push-and-pull rod 3 is connected with the movable dewatering and clamping mechanism; the collodion cotton 4 is arranged at the bottom of the mop rod 1; the movable dewatering and clamping mechanism is connected with a connecting plate 5, a spring 6, a connecting rod 7, a dewatering plate frame 8, a dewatering plate 9 and a rod sleeve 10; the connecting plate 5 is sleeved on the mop rod 1; the lower end of the push-and-pull rod 3 is arranged on the connecting plate 5 through the spring 6 and a nut; the upper end of the connecting rod 7 is connected with the connecting plate 5 through a connecting pin 71, and the lower end of the connecting rod 7 is connected with the upper end of the dewatering plate frame 8 through a connecting pin; the dewatering plate frame 8 is X-shaped and is arranged on the rod sleeve 10 through a connecting pin; the dewatering plate 9 is arranged on the X-shaped dewatering plate frame 8; and the rod sleeve 10 is sleeved on the mop rod 1. The mop disclosed by the invention has the advantages of complete dewatering, long service life, easiness of operation and the like.
Owner:张承志

Multi-point touch method based on binocular stereo vision

InactiveCN101393497AImplement the function of multi-touch special effectsNatural operating feelingImage analysisInput/output processes for data processingVisual technologyVision algorithms
The invention relates to a multipoint touch method based on binocular stereoscopic vision, which relates to the technical field of computer vision. The method comprises the following steps: firstly, the azimuth and the projection parameters of a camera relative to a three-dimensional scene are determined through camera calibration, and a binocular camera is utilized to acquire an image pair; secondly, two pictures on the same frame which are acquired on the first step are taken as input, and a scene depth map is calculated by the stereoscopic vision algorithm; thirdly, closest patches are obtained through Gaussian blur and determined thresholds, and central coordinates of the patches are calculated; and fourthly, a plurality of coordinates obtained in the third step are taken as input of a multipoint touch program, and interactive results are returned to a screen. The multipoint touch method based on binocular stereoscopic vision can realize completing the multipoint touch operation in space by a user without touching the screen, and coordinate information of input points acquired is three-dimensional, so that the multipoint touch method can realize more complex interaction such as push and pull of a virtual object and so on.
Owner:SHANGHAI JIAO TONG UNIV

Convertible top and driving device for a convertible top

The invention relates to a convertible top for a convertible, comprising a front shell piece, a middle shell piece and a rear shell piece; said shell pieces, when in the closed state, being arranged as a roof over a passenger compartment of the convertible; said front shell piece being capable to be raised during a positively controlled opening operation such that it is moved over the middle shell piece; said rear shell piece being capable to be rotated into a folded-over position; the three shell pieces being designed such that they can jointly pivot counter to a direction of travel about a main bearing into a packaging position; wherein in said packaging position said front shell piece and said middle shell piece are oriented in the same direction over said rear shell piece, that is stored in the folded-over position. The invention further relates to a driving device for a convertible top, comprising a main bearing, a first link, a second link, an intermediate link, said intermediate link being coupled to said second link for activation purposes, a four-bar linkage, said four-bar linkage being coupled to said first link for activation purposes, a first bearing point, a driving cylinder, said driving cylinder being coupled with said main bearing at said first bearing point, and a push and pull rod, said push and pull rod being driven by said driving cylinder and being designed for a simultaneous action of force on the intermediate link and the four-bar linkage.
Owner:WEBASTO EDSCHA CABRIO

Thrombus filter and using method thereof

The invention discloses a thrombus filter. The thrombus filter comprises a sheathing pipe, a thrombosis intercepting network with an intercepting port, a first pushing element, a control handle, a spill-proof umbrella and a second pushing element, wherein the port of the spill-proof umbrella and the intercepting port are at the same direction; the spill-proof umbrella is sleeved outside the thrombosis intercepting network; the second pushing element is positioned in the sheathing pipe and used for pushing and pulling the spill-proof umbrella; the spill-proof umbrella comprises an umbrella surface and umbrella stands connected between the second pushing element and the umbrella surface; and an opening end of the umbrella surface is of a memory shape which can be folded and unfolded. According to the invention, when the thrombosis in vessels is filtered, the spill-proof umbrella is unfolded by the thrombosis intercepting network; when the filtering is finished, the thrombosis intercepting network returns in the spill-proof umbrella, the umbrella surface of the spill-proof umbrella is folded to the center of the intercepting port so as to completely cover the intercepting port and prevent plaques from spilling; the sheathing pipe is pushed forwards to recover the thrombosis intercepting network; and the spill-proof umbrella is pulled in the sheathing pipe. According to the thrombus filter, the calcified plaques in the vessels can be effectively recovered by the thrombosis intercepting network, and the spill-proof umbrella can effectively prevent the thrombosis from leaking while capturing thrombosis retraction.
Owner:VENUS MEDTECH (HANGZHOU) INC

Quick locking and separation mechanism of coaxial connector

A quick locking and separation mechanism of a coaxial connector consists of an unlocking sleeve arranged on a connector plug, a spring leaf, a locking sleeve, a pressure spring, a check ring and an outer conductor 2 connected with a connector socket, wherein the spring leaf, the locking sleeve, the pressure spring and a check ring are connected with an outer conductor 1 of the connector plug to form a whole which is arranged in an inner bore of the unlocking sleeve; the periphery of the spring leaf is provided with a jaw, the outside of an inserting end of the jaw is provided with a force transmission convex hull, while the inside is provided with a locking convex hull; the internal perisporium of the outer conductor 2 connected with the socket is provided with a groove for accommodating the locking convex hull; and the side wall of the groove inclines to form a locking bevel, and the adjacent edge of the side wall is provided with an insertion bevel. There are provided a transition slope at the cooperation location of the locking sleeve and the spring leaf transmission convex hull. The connector has the advantages of simple structure, low cost, durability and reliability, convenient operation, and quick locking and separation, and can radically realize the functions of locking and separation by only needing push and pull.
Owner:GUIZHOU SPACE APPLIANCE CO LTD

Comprehensive dredging machine

ActiveCN102155219AOvercome the disadvantages of not being able to drill holes and support at the same timeIncrease the speed of excavationMine roof supportsTunnelsPush and pullEngineering
The invention discloses a comprehensive dredging machine. The comprehensive dredging machine comprises a crawler-free type dredging machine, a hydraulic support, a drilling machine, a scraper conveyor, a runner and the like. The upper end of the hydraulic support is provided with a main top beam, a front canopy, a back canopy and a cross beam; the dredging machine is arranged on a foundation; thefront and rear ends of the foundation are provided with a slope regulation jack respectively; one end of a front pushing and pulling jack is connected with the foundation of the dredging machine, andthe other end of the front pushing and pulling jack is connected with the hydraulic support; the rear of the dredging machine is provided with a self-advancing jack, and two sides of the foundation are provided with a side push cylinder respectively; and the drilling machine is arranged below the main top beam or the back canopy; and the runner is arranged behind the hydraulic support and is connected with a rear push and pull jack arranged on the hydraulic support by an anchor chain and a pulley. The comprehensive dredging machine has the advantages of parallel operation of hole drilling andsupporting, and coal cutting of a development machine, a roadway turns flexibly, the turning radius is small, the turning speed is high, the tunneling speed is high, and the safety is guaranteed.
Owner:DATONG COAL MINE GRP CO LTD HENGAN EQUIP CO LTD

RCM mechanism for mechanical arm of laparoscopic minimally invasive surgical robot

InactiveCN104546147AReduced output torque requirementsSmall moment of inertiaDiagnosticsSurgeryLinear displacementPush and pull
The invention discloses an RCM mechanism for a mechanical arm of a laparoscopic minimally invasive surgical robot. The RCM mechanism disclosed by the invention comprises a connecting rod I, a connecting rod II, a connecting rod III, a connecting rod IV, a connecting rod V, a connecting rod VI, a linear motion output mechanism I, a linear motion output mechanism II, a rotation output mechanism and surgical instruments, wherein the six connecting rods form double parallelogram mechanisms. According to the RCM mechanism, motions of the surgical instruments including linear displacement freedom degree T, deflection freedom degree P and rotation freedom degree Y are correspondingly realized through the driving actions of the linear motion output mechanism I, the linear motion output mechanism II and the rotation output mechanism respectively; requirements of various freedom degrees to moment/torque of a driving mechanism are reduced through the double parallelogram mechanisms and the manner that the rotary centre axis of the rotation freedom degree Y and the connecting rod II form a certain included angle theta; the connecting rod III is directly pushed and pulled through the linear motion output mechanism II, so that the output moment/torque requirements to a freedom degree driving mechanism are reduced; and thus, the light weight and the miniaturization of the mechanical arm of the laparoscopic minimally invasive surgical robot are realized.
Owner:CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI

Articulated tool positioner and system employing same

An articulated tool positioning apparatus comprising a base member, an intermediate member, an end member and a first tool holder arranged in succession, each of the base member, intermediate member, end member and tool holder having a respective central opening. A first plurality of coupled guides id positioned between the base member and the intermediate member and a second plurality of coupled guides is positioned between the intermediate member and the end member. A third plurality of coupled guides is diposed between the end member and the tool holder. The base member, intermediate member, end member, first tool holder and first second and third pluralities of coupled guides all have a central opening and guide openings or securing points for securing pluralities of flexible control links to the base member or to an object separated from the base member. Pushing or pulling control links of a first plurality of control links causes the base member, the first plurality of coupled guides, the intermediate member, the second plurality of coupled guides and the end member to selectively define a continuous curve. A second plurality of control links causes the end member to maintain an orientation generally the same as the base member, when any of the other flexible control links is pushed or pulled. Pushing or pulling control links of a third plurality of control links causes the tool holder to be selectively moved into any of a plurality of orientations, such that the third plurality of coupled guides between the end member and the tool holder defines a continuous curve from the end member to the tool holder. At least one mechanism for pushing and pulling the flexible control links is described and a use of the apparatus for positioning a tool for laparoscopic surgery applications is described.
Owner:TITAN MEDICAL INC

Mechanical automatic intravenous medicine mixing device

InactiveCN103417375AImprove quality of careAddresses susceptibility to infection from dispensed medicationsInfusion devicesPharmaceutical containersPush and pullManipulator
A mechanical automatic intravenous medicine mixing device comprises an intravenous mixing area and is characterized in that a glass lifting window is arranged on the front portion of the intravenous medicine mixing area, a syringe storage box, a small package medicine bottle cover opening device and a cover opening locating device are arranged on the rear portion, a medicine mixing mechanical arm is arranged on the inner left side, a touch screen is arranged on the outer left side, a transfusion bag/bottle clamp and a medicine mixer are arranged on the left side of the bottom, a sterilizing lamp is arranged on the rear side of the inner top, a lamp is arranged on the front side of the inner top, a bottle taking and cover opening mechanical arm is arranged on the inner right side, and a medicine storage tray is arranged on the right side at the bottom. A recycling box is arranged below the small package medicine bottle cover opening device, a push-and-pull device composed of a driving mechanism and a transmission mechanism and a sensor are arranged at the front end of the medicine mixing mechanical arm, and a sensor is arranged at the front end of the bottle taking cover opening mechanical arm. By means of the mechanical automatic intravenous medicine mixing device, repeated work of medical staff is avoided, and the problem that the medical staff can be infected easily by mixed medicine in a medicine mixing process is solved.
Owner:LIAONING N C DRAGON MEDICAL TECH
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