30results about How to "Expand the treatment space" patented technology

The invention involves a rotary focused gamma-ray radiotherapy device. The invention includes a frame, a rotary ring positioned at the frame, and a source carrier and a collimator carrier that can rotate around a rotary axis respectively. The source carrier is equipped inside with multiple radiation sources. The collimator carrier is equipped inside with a corresponding beam channel to the radiation sources, which focus at a shared focus of the rotary axis through the beam channel. The source carrier and the collimator carrier are connected at both ends with the rotary ring and the frame, respectively. The single-layer and double-support structure of the source carrier and the collimator carrier adopted in the invention enlarges the treatment space, lowers manufacturing cost and difficulty, simplifies the mechanical structure, increases support rigidity of the source carrier and the collimator carrier, ensuring long-lasting and steady coaxial rotation of source carrier and collimator carrier, as well as position accuracy of the focusing center in the therapeutic system. Therefore, a precision radiotherapy is realized with improved radiotherapy effect.

The invention involves a rotary focused gamma-ray radiotherapy device. The invention includes a frame, a rotary ring positioned at the frame, and a source carrier and a collimator carrier that can rotate around a rotary axis respectively. The source carrier is equipped inside with multiple radiation sources. The collimator carrier is equipped inside with a corresponding beam channel to the radiation sources, which focus at a shared focus of the rotary axis through the beam channel. The source carrier and the collimator carrier are connected at both ends with the rotary ring and the frame, respectively. The single-layer and double-support structure of the source carrier and the collimator carrier adopted in the invention enlarges the treatment space, lowers manufacturing cost and difficulty, simplifies the mechanical structure, increases support rigidity of the source carrier and the collimator carrier, ensuring long-lasting and steady coaxial rotation of source carrier and collimator carrier, as well as position accuracy of the focusing center in the therapeutic system. Therefore, a precision radiotherapy is realized with improved radiotherapy effect.

The invention discloses a distal integrated type MDOF (multi-degree of freedom) harmonic scalpel. The distal integrated type MDOF harmonic scalpel comprises a distal harmonic scalpel, an S-shaped joint, a hollow long straight bar and an instrument box which are connected sequentially, wherein the distal harmonic scalpel comprises a harmonic scalpel casing provided with a variable-diameter sliding channel inside, gripping pliers connected with the left outer wall and the right outer wall of the front end of the harmonic scalpel casing through a connecting pin shaft and a harmonic scalpel mounted in the harmonic scalpel casing through a flange, and a T-shaped push rod, a spring and a drawing wire which are used for realizing opening and closing actions of the gripping pliers and connected in sequence are arranged in the variable-diameter sliding channel. The distal integrated type MDOF harmonic scalpel has four-DOF operation including deflection motion in two mutually vertical directions, rotary motion around the axis of the hollow long straight bar and opening and closing motion of the gripping pliers and has the advantages that the operating flexibility is higher, larger treatment space in the body of a patient is obtained and direction and angle of a cutter head part, contacted with tissue, at the tail end of the harmonic scalpel are easy to control and adjust, and the distal integrated type MDOF harmonic scalpel is convenient to process and manufacture and has a wider application range.

The invention involves an imaging device used in rotary focused gamma-ray radiotherapy. The invention includes a frame, a rotary ring positioned at the frame, and a source carrier and a collimator carrier that can rotate around a rotary axis respectively. The source carrier is equipped inside with multiple radiation sources. The collimator carrier is equipped inside with a corresponding beam channel to the radiation sources, which focus at a shared focus of the rotary axis through the beam channel. The imaging device of the radiotherapy system also includes a diagnostic imaging system, consists of diagnostic radiation sources, a detector and a data processing system. By means of diagnostic imaging system of the invention, automatic beam positioning, real-time monitoring of treatment target motion, real-time monitoring and verification of radiation dose can be done during treatment, ensuring more accurate and improved radiotherapy effect.

The invention discloses a protective mask for isolating droplet propagation of a patient during oral treatment; the mask comprises a mask body, and the mask body is provided with an eye shielding part, a nose bridge fixing part and an oral cavity shielding part; a transparent film for shielding eyes is arranged in the middle of the eye shielding part, and metal wires are arranged on the two side edges of the eye shielding part; a nose bridge strip is arranged in the nose bridge fixing part; the oral cavity shielding part is provided with dental rubber barrier cloth covering the oral cavity, and a pair of hanging lugs are arranged on the two side edges between the nose bridge fixing part and the oral cavity shielding part. According to the protective mask, water vapor generated in the dental treatment process is prevented from being combined with saliva of a patient from the source, the eyes, the mouth and the nose of the face of the patient are effectively shielded, and the face and the eyes of the patient are protected against chemical injuries caused by splashing of the water vapor and treatment medicines. Therefore, the protective mask can effectively improve the protective effect in dental treatment, protects the body health of doctors and patients, and is suitable for clinical general popularization and application.

The invention discloses a chair special for obstetrical department. The chair comprises a support, wherein the support is formed by vertically connecting a vertical plate and a horizontal plate in an inversed L shape; a riser is vertically arranged between the horizontal plate and the vertical plate of the support; a horizontal support rod is horizontally arranged on the front end of the riser; a movable support plate is arranged on the horizontal support rod and is located below the horizontal plate of the support; a panel is arranged on the front end of the movable support plate; side support plates are respectively arranged on the left and right sides of the panel; the two side support plates are respectively hinged to the panel; the side support plates are respectively arranged on the left and right sides of the riser and the movable support plate; the free ends of the side support plates are matched with the vertical plate of the support; a pair of leg support plate hinge seats is horizontally arranged on the upper part at the inner part of each side support plate; a leg support plate is arranged between each pair of leg support plate hinge seats; a first connecting plate is arranged on the bottom of one leg support plate; a connecting block is arranged on the bottom of the other leg support plate; a second connecting plate is arranged on the connecting block; a rotating shaft is arranged on the first connecting plate; a rectangular block is arranged on the rotating shaft; a rectangular through groove is formed in the second connecting plate; and the rectangular through groove is matched with the rectangular block.

The invention relates to an anti-collision system, in particular to a dual anti-collision system with bionic positioning and tactile sensing functions, which comprises a central processing unit (1) and a moving part surface (5). A central processing unit interface (2) is arranged on the central processing unit. The dual anti-collision system is characterized in that an ultrasonic transmitting sensor (3) and an ultrasonic receiving sensor (4) are arranged on the moving part surface (5), the ultrasonic transmitting sensor and the ultrasonic receiving sensor are connected with the central processing unit through the central processing unit interface (2), groups of optical fiber arrays (6) are installed on the inner layer of the moving part surface (5), and the optical fiber arrays are connected with the central processing unit through the central processing unit interface (2). The dual anti-collision system with bionic positioning and tactile sensing functions has the advantages that the probability of collision of radiotherapy equipment is greatly reduced; and since the anti-collision measuring accuracy and the measuring range of a moving part are improved, on the premise that the probability of collision is minimized, the treatment space is expanded to the utmost extent and a good foundation is laid for the treatment of patients.

The invention discloses a gynecological chair which comprises a support, and the support is in an inverted L shape and is formed by connecting an upright plate and a horizontal plate. A vertical plate is vertically arranged between the horizontal plate and the upright plate of the support, a horizontal supporting rod is horizontally arranged at the front end of the vertical plate, a moving supporting plate is arranged on the horizontal supporting rod, a horizontal supporting rod hole is formed in the moving supporting plate, and the horizontal supporting rod hole is matched with the horizontal supporting rod. The moving supporting plate is arranged under the horizontal plate of the support, a face plate is arranged at the front end of the moving supporting plate, the face plate is perpendicular to the moving supporting plate, the width of the face plate is equal to that of the support, the left side and the right side of the face plate are respectively provided with a side supporting plate, and the two side supporting plates are respectively hinged to the face plate. The side supporting plates are located on the left side and the right side of the vertical plate and the moving supporting plate respectively, the free end of the each side supporting plate is matched with the upright plate of the support, the outer surface of each side supporting plate is in the same face with the outer surface of the support, the upper portion of the inner side of each side supporting plate is horizontally provided with a pair of leg supporting plate hinge seats, a leg supporting plate is arranged between every pair of leg supporting plate hinge seats, and the upper end of the inner side of each leg supporting plate is provided with a leg supporting plate support.

The invention discloses a treatment device, relating to the radiotherapy device field and reducing quantity of detectors. The treatment device comprises: at least two radiation probes and at least one detector, wherein at least one of the detectors is a mobile detector; the mobile detector moves relative to the radiation ray probe in order to face oppositely to at least two positions in the radiation ray probes so as to receive a radiation beam transmitted by the radiation ray probe.

The invention discloses a distal integrated multi-degree-of-freedom ultrasonic knife, which comprises a distal ultrasonic knife connected in sequence, a serpentine joint, a hollow long straight rod and an instrument box. The distal ultrasonic knife includes an ultrasonic knife shell with a variable diameter sliding channel inside, clamping pliers connected with the left and right outer walls of the front end of the ultrasonic knife shell through connecting pins, and an ultrasonic knife installed in the ultrasonic knife shell through a flange. The variable-diameter sliding channel also includes sequentially connected T-shaped push rods, springs and wires for realizing the opening and closing action of the clamping pliers. The ultrasonic scalpel of the present invention has four degrees of freedom of deflection motion in two mutually perpendicular directions, rotary motion around the axis of the hollow long straight rod, and opening and closing motion of clamping forceps, and has the advantages of higher operational flexibility and Larger treatment space, easy to control and adjust the direction and angle of the knife head at the end of the ultrasonic scalpel contacting tissue, convenient processing and manufacturing, and wider application range.

The invention discloses a childbirth operating chair comprising a support. The support is connected with a vertical plate and a transverse plate to form of an inverted L shape. An upright plate is arranged between the vertical plate and the transverse plate vertically, a transverse supporting rod is mounted at the front end of the upright plate horizontally, and a movable supporting plate is mounted on the transverse supporting rod. The movable supporting plate is located below the transverse plate of the support. A panel is fixed at the front end of the movable supporting plate. One side support is mounted on the left side and right side of the panel, and the two side supports are hinged with the panel. A groove is formed on the outer side of one side supporting plate, a partitioning plate is arranged in the groove, and a through hole is formed on the partitioning plate. A positioning hole is formed on the vertical plate of the support, a positioning pin is mounted in the groove horizontally, one end of the positioning pin matches with the positioning hole, and the other end of the positioning pin matches with the through hole. A handle seat is arranged at the middle of the positioning pin, a spring is mount at the circumference of the positioning pin and contacts with the handle seat the partitioning plate respectively. A U-shaped handle is mounted in the groove. The childbirth operating chair can be unfolded as an operating bed as required in the process during childbirth of a maternal directly, and movement of the entire body of the maternal is omitted.

The invention belongs to the technical field of medical accelerators, and particularly relates to an accelerator radiation head flattening filter structure for saving treatment space. The structure comprises a flattening disk rotating component, a flattening filter frame, an ionization chamber and reflector moving component, a flattening disk rotating drive component, an ionization chamber and reflector moving drive component and a limit pin component, wherein the flattening disk rotating component is rotatably mounted at the top of the flattening filter frame through bearings, and the ionization chamber and reflector moving drive component is mounted on the side wall of the flattening filter frame through bolts. A flattening filter is divided into two layers, the upper layer is a rotatingdisk driving a flattening block to rotate, the lower layer is a moving tray driving an ionization chamber and a reflector to move, the size of the flattening filter in the axial direction of a radiation head can be greatly reduced by the two-layer structure, the treatment space of the radiation head is increased, and the diametrical size of the radiation head can be reduced as the flattening block rotates.

The invention discloses a chair used for antenatal examination and parturition. The chair comprises a support. The support is formed by risers and horizontal plates. A vertical plate is arranged on the support in the vertical direction. A horizontal fulcrum bar is horizontally installed at the front end of the vertical plate. A movable support plate is installed on the horizontal fulcrum bar and located below the horizontal plates of the support. A panel is arranged at the front end of the movable support plate. Side support plates are installed on the left side and the right side of the panel respectively. A vertical groove is formed in each side support plate, wherein a first sliding chute and a second sliding chute are formed in the inner side and the outer side of the side support plate respectively, a first slide bar is installed in the vertical groove, a first guide rod is arranged at the lower end of the first slide bar, a first limiting ring is installed at the lower end of the vertical groove, and a first spring is installed on the first guide rod; a positioning box is installed on the panel, wherein an inner cavity and a horizontal groove are formed in the positioning box, and a third sliding chute is formed in the positioning box; a connecting rod and a pull block are installed on the first slide bar, and a wedge block is installed at one end of the connecting rod; a second slide bar is installed in the horizontal groove, a second guide rod is installed at the inner end of the second slide bar, a second limiting ring is installed at the inner end of the horizontal groove, and a second spring is installed on the second guide rod.

The invention discloses a childbirth operating chair comprising a support. The support is connected with a vertical plate and a transverse plate to form of an inverted L shape. An upright plate is arranged between the vertical plate and the transverse plate vertically, a transverse supporting rod is mounted at the front end of the upright plate horizontally, and a movable supporting plate is mounted on the transverse supporting rod. The movable supporting plate is located below the transverse plate of the support. A panel is fixed at the front end of the movable supporting plate. One side support is mounted on the left side and right side of the panel, and the two side supports are hinged with the panel. A groove is formed on the outer side of one side supporting plate, a partitioning plate is arranged in the groove, and a through hole is formed on the partitioning plate. A positioning hole is formed on the vertical plate of the support, a positioning pin is mounted in the groove horizontally, one end of the positioning pin matches with the positioning hole, and the other end of the positioning pin matches with the through hole. A handle seat is arranged at the middle of the positioning pin, a spring is mount at the circumference of the positioning pin and contacts with the handle seat the partitioning plate respectively. A U-shaped handle is mounted in the groove. The childbirth operating chair can be unfolded as an operating bed as required in the process during childbirth of a maternal directly, and movement of the entire body of the maternal is omitted.

The invention relates to an anti-collision system, in particular to a dual anti-collision system with bionic positioning and tactile sensing functions, which comprises a central processing unit (1) and a moving part surface (5). A central processing unit interface (2) is arranged on the central processing unit. The dual anti-collision system is characterized in that an ultrasonic transmitting sensor (3) and an ultrasonic receiving sensor (4) are arranged on the moving part surface (5), the ultrasonic transmitting sensor and the ultrasonic receiving sensor are connected with the central processing unit through the central processing unit interface (2), groups of optical fiber arrays (6) are installed on the inner layer of the moving part surface (5), and the optical fiber arrays are connected with the central processing unit through the central processing unit interface (2). The dual anti-collision system with bionic positioning and tactile sensing functions has the advantages that the probability of collision of radiotherapy equipment is greatly reduced; and since the anti-collision measuring accuracy and the measuring range of a moving part are improved, on the premise that the probability of collision is minimized, the treatment space is expanded to the utmost extent and a good foundation is laid for the treatment of patients.

The invention discloses a chair used for antenatal examination and parturition. The chair comprises a support. The support is formed by risers and horizontal plates. A vertical plate is arranged on the support in the vertical direction. A horizontal fulcrum bar is horizontally installed at the front end of the vertical plate. A movable support plate is installed on the horizontal fulcrum bar and located below the horizontal plates of the support. A panel is arranged at the front end of the movable support plate. Side support plates are installed on the left side and the right side of the panel respectively. A vertical groove is formed in each side support plate, wherein a first sliding chute and a second sliding chute are formed in the inner side and the outer side of the side support plate respectively, a first slide bar is installed in the vertical groove, a first guide rod is arranged at the lower end of the first slide bar, a first limiting ring is installed at the lower end of the vertical groove, and a first spring is installed on the first guide rod; a positioning box is installed on the panel, wherein an inner cavity and a horizontal groove are formed in the positioning box, and a third sliding chute is formed in the positioning box; a connecting rod and a pull block are installed on the first slide bar, and a wedge block is installed at one end of the connecting rod; a second slide bar is installed in the horizontal groove, a second guide rod is installed at the inner end of the second slide bar, a second limiting ring is installed at the inner end of the horizontal groove, and a second spring is installed on the second guide rod.

The present invention relates to radiotherapy apparatus and is especially one kind rotary focused gamma-ray radiotherapy apparatus. The rotary focused gamma-ray radiotherapy apparatus includes a radiator, a treating bed, a rotary rack, a rotary bearing ring, a rotating ring, a source body with radiating source and a cylindrical collimator set between rotary bearing ring and the rotating ring. The radiating source has the ray beam outlet located on the common focus in the rotating axis, and the collimator is connected through a transmission part with at least one spiral transmission mechanism and has several radiating passages with collimating unit and shielding stopper distributed corresponding to the radiating source. The present invention has expanded treating space, lowered manufacture cost and less manufacture difficulties, and may be used in the continuous effective safe radiotherapy of several disease focuses.

The invention relates to a radiotherapy device for gamma ray rotational focusing. The invention includes a host controller, a driver, a radiation device, a treatment couch, etc. The treatment couch is installed on a slewing ring, a rotatable shielding body is provided on the radiation device, and a group of radiation sources having the same distribution law as the radiation source is provided on the rotatable shielding body. Through holes, the two ends of the slewing bracket are fixed with a slewing support ring, and the slewing support ring is axially positioned and rotated to cooperate with a slewing ring. The radiation device is arranged between the two slewing rings. A cylindrical collimator, the center of the collimator is provided with a source body, and the source body is equipped with a plurality of linearly arranged radioactive sources. Compared with the prior art, the present invention increases the range in the rotary ring due to the synchronous rotation of the cylindrical collimator and the source body in the radiation device, expands the range of movement of the treatment bed in the rotary ring during treatment, and expands the range of treatment. space, reducing the manufacturing cost and difficulty of equipment.