59 results about "Sternum/Sternal" patented technology

An implantable lead configured to be implanted in an anterior mediastinum of a patient. The implantable lead includes a generator interface and a lead body coupled to the generator interface. The generator interface is configured to couple the implantable lead to a generator of an implantable treatment device. The lead body includes a sternal portion configured to be positioned in the anterior mediastinum to engage a posterior portion of a sternum of the patient, and a heart wall portion configured to be positioned in the anterior mediastinum to engage a heart wall of a heart of the patient. At least one of the sternal portion or the heart wall portion is configured to deliver treatment energy to the heart of the patient.

A system for delivering a lead an implantable diagnostic / treatment device includes a needle defining a needle lumen and including a biased portion. The biased portion is configured to bias at least a distal end portion of the needle toward a posterior sternal wall when disposed in a body of a patient. The system includes a stylet removably coupled to the needle that is configured to selectively straighten the biased portion of the needle for insertion into the body of the patient. The system includes a guidewire configured to extend through the needle lumen and into the substernal space. The system includes a sheath configured to be advanced over the guidewire to dispose a distal end of the sheath in the substernal space. The sheath defines a sheath lumen allowing the lead to be advanced therethrough to deliver the lead to a substernal space in the body of the patient.

The present application proposes a sternum internal fixator made of a shape memory alloy, comprising: a fixing plate (1) which has a sheet shape extending in a first direction (W) and a second direction (L) which are perpendicular to each other, is bent toward the inner surface side thereof in the first direction (W) within a body temperature range, and is used for fitting a sternum; a plurality of embracing arms (3) which extend from the two ends of the fixing plate in the first direction, are bent towards the inner surface side in an arc shape within the body temperature range, and are used for embracing the sternum between adjacent ribs; the fixing arms (2) extend from the two ends, in the second direction (L), of the fixing plate respectively, each fixing arm comprises a first section (21) and a second section (22), in the body temperature range, the first sections extend continuously with the fixing plate (1), and the second sections are connected with the first sections and bent by more than 90 degrees relative to the first sections.

The sternum lifting device of the invention comprises a fixing structure designed to be fixed to an operating table; and a movable body connected to the fixing structure by means of a safety mechanism attached to the fixing structure, wherein the movable body is arranged above the operating table with the possibility of vertical movement; wherein the movable body has a plate that is concentrically rotatable about an axis that coincides with or is parallel to the vertical movement of the movable body; wherein said safety mechanism is designed to be manually actuated and to transmit and convert the actuation into a vertical upward movement of the movable body relative to the operating table; and wherein the safety mechanism is designed to hold the movable body in its position relative to the operating table in a condition of use in which it receives a downward force from the plate.

This invention relates to the field of medical device technology and discloses a surgical sternal closure fixator, comprising a main body, a male hook plate at one end of the main body, and a fixing mechanism on the main body. The fixing mechanism includes a flexible plug and a female hook plate. The flexible plug is located inside the main body, and the female hook plate is connected to the end of the flexible plug away from the male hook plate. The fixing mechanism includes a sliding mechanism, which includes a female hook plate located on the inner wall of the female hook plate facing the male hook plate, with one end of the female hook plate inserted into the flexible plug. The flexible plug contains an auxiliary mechanism and a rotating mechanism, the auxiliary mechanism being connected to the rotating mechanism. A wobbling mechanism is provided on the side wall of the female hook plate facing the male hook plate. This invention can adjust the gripping force and gripping position according to the expansion and contraction of the sternum during the patient's breathing, reducing local misfitting between the fixator and the sternum, which affects the stability of sternal fixation and improving stability.

A pectus bar assembly can include a first pectus bar and a second pectus bar engageable with a sternum. The pectus bar assembly can also include a first bar link connectable to the first pectus bar and translatable along the first pectus bar and can include a second bar link connectable to the second pectus bar and translatable along the second pectus bar. The pectus bar assembly can also include a bridge defining a longitudinal axis. The bridge can be connectable to the first bar link and the second bar link. The first bar link and the second bar link can be independently translatable along the bridge, and the first bar link and the second bar link can be independently rotatable about the longitudinal axis of the bridge.

A sternum lift device is disclosed. The sternum lift device may include a panel, a support beam extending across the panel, and a post coupled to a proximal end of the panel. The device may also include an indicator handle coupled to the sternum lift device, an actuator transmission pivotally coupled to the indicator handle, and a housing movably coupled to the actuator transmission. The sternum lift device may include an actuator transmission including a linear rack. The housing may further include a cylindrical gear, wherein the cylindrical gear meshes with the linear rack.

A multifunction electrode pad with integrated 12-Lead ECG acquisition device (20) is disclosed herein. The electrodes (115) are incorporated into the two defibrillation electrode pads (16 and 18). Each of the sternum defibrillation pad (18) and the apex defibrillation pad (16) is composed of an electrical conductive plates in a foam tape substrate with a hydrogel layer. Each of the sternum pad (18) and the apex pad (16) has a defibrillation electrode pad conductor surface that has an area ranging from 80cm3 to 90cm3.

The present application relates to the field of medical devices, in particular to a combined artificial sternum support for pectus carinatum correction. It comprises a first correction plate, a second correction plate and a third correction plate connected by assembly. When it is necessary to be taken out, it can be changed into a shape convenient for taking out, avoiding turning it over and reducing the difficulty of taking out. The second correction plate comprises a plurality of unit plates, the unit plates, the first correction plate and the third correction plate are connected by connecting steel wires, the first correction plate and the second correction plate are provided with a tight line device capable of tightening the connecting steel wires, the connecting steel wires are relaxed when the support is placed and taken out, the support is in a movable chain structure, and the placement and taking out are very convenient. At the same time, the tightness of the connecting steel wires is adjusted by the tight line device, a new correction method of stepwise reduction is adopted during correction, the connecting steel wires are tightened by one gradient every interval, the arching radius of the support is gradually increased, and great damage to the sternum and intercostal muscles caused by one-time lifting of the sternum is avoided.

This invention relates to a sternal retractor for internal mammary artery sampling, comprising two paddles for retracting the sternum and an adjustable clamping mechanism. The clamping mechanism includes an expansion mechanism for fixing the expansion mechanism in a suitable position on the operating table. The two paddles are mounted on the expansion mechanism, which retracts the sternum by driving the two paddles apart. The expansion mechanism also includes an upward lifting mechanism, which simultaneously pulls the two paddles upward during the retraction process. This sternal retractor for internal mammary artery sampling achieves horizontal retraction of the sternum while simultaneously lifting it upward using the paddles, effectively increasing the wound size and maneuverability within the wound. This helps achieve better retraction with less force applied horizontally to the sternum, reducing the risk of sternal damage.

A harness for an animal has a collar, a sternum cover, a closed loop, and a link connecting an upper section of the collar and the closed loop. The sternum cover extends from the collar to the end of the sternum cover (a sternum-cover end). The right side of the sternum cover has a right extension, and the left side of the sternum cover has a left extension. The right extension is connected to the closed loop and the left extension is connected to the closed loop. The closed loop is made of a flexible material enabling the closed loop to change its shape when pulled or pushed.

In some examples, a tool for, e.g., creating a sub-sternal tunnel in a patient or other use, is described. The tool may include a handle and a tunneling shaft coupled to the handle. The tunneling shaft extends from a proximal end to a distal end, and at least a portion of the tunneling shaft extends in a curved orientation between the first end to the distal end. The distal end of the tunneling shaft includes a cutting tool having a sharp edge. The cutting tool is moveable from a recessed position in which the sharp edge of the cutting tool is recessed into the distal end of the tunneling shaft to a deployed position in which the sharp edge of the cutting tool extends beyond the distal end of the tunneling shaft in the deployed position, e.g., to cut pericardium, scar tissue, and / or connective tissue with the sharp edge.

A sternotomy closure technique is suitably carried out with a cerclage mechanism, which is capable of maintaining proper bony compression (within a desired range) across the sternum cut, in spite of a range of external forces and significant lateral distraction due to these external forces. The sternum fragments are aligned in apposition disposed around a longitudinal seam and secured with a resilient element. The resilient element is tensioned to a desired tension to compress the sternum to a desired compression range. The resilient element is then elongated and contracted while accepting multiple cycles of physiological distracting forces across the sternum while maintaining contact pressure across the longitudinal seam within a desired range for a length of time sufficient for bony healing. The resilient element is preferably a polymer cable comprising an elongated elastic polymeric core coaxially surrounded by a sheath woven from ultra-high molecular weight polyethylene strands.

The external sternum fixing device comprises a fixing band and a bandage, one end of the fixing band is connected with the bandage in a sewing mode, the upper side of the other end of the fixing band is connected with a side fixing rod in a sewing mode, and the bandage bypasses the side fixing rod and is detachably connected with the side fixing rod. The external sternum fixing device solves the problems that in the prior art, an external sternum fixing device is inconvenient to operate by a single person of a patient, needs to be assisted by nursing personnel for fixing, cannot be conveniently and timely adjusted in tightness and cannot be conveniently detached, fixed and worn. And the connection relation among all parts cannot be conveniently adjusted, so that the comfort degree is seriously influenced. The external sternum fixing device is reasonable in structural design, is formed by sewing flexible cloth, is comfortable in material, is suitable for long-term use, meets the comfort requirement of a patient after a cardiac surgery on close fitting, and solves the problem of skin itch caused by using cloth chest straps in clinic. The connecting structure is arranged at the armpit position, a user can conveniently adjust the tightness by himself / herself, and the device is suitable for being used by patients in the first-stage and second-stage rehabilitation periods of the heart and the lung.

A breast skin laxity measuring device is provided with a ruler main body used for being supported on a sternum plane and measuring breast skin laxity, a sliding part, a tension measuring part used for measuring tension and an adsorption part used for being fixed to a nipple, the sliding part is arranged on the ruler main body in a sliding and sleeving mode, and the tension measuring part is assembled with the sliding part. And the adsorption part is assembled with the tension measuring part. And the sliding part is perpendicular to the ruler main body. The ruler main body of the breast skin laxity measuring device is supported on the sternum plane, so that the measuring stability is improved, the tensile force can be accurately measured through the tensile force measuring part, and the measuring error is reduced.

The utility model relates to the technical field of surgical auxiliary instruments, and discloses an adjustable left atrium retractor which comprises a handle and a quick fixing structure, and the quick fixing structure is arranged on the lower side of the handle and used for being fixedly connected with a sternum retractor; the universal supporting rod comprises a movable joint and a moldable iron wire; the universal supporting rod is arranged at the front end of the handle and is fixed through the moldable iron wire and the movable joint after being bent and deformed; the blade is connected with the front end of the universal supporting rod through the multidirectional rotating joint; and the antifouling soft sleeve wraps and is arranged on the rod body of the universal supporting rod. Compared with the prior art, the sternum retractor fixing device has the advantages that the sternum retractor fixing device is fixed to a sternum retractor through the fast fixing structure, other hands are not needed for holding, manpower waste is reduced, the operation space is increased, and operation is more convenient; the universal supporting rod can be bent, deformed and fixed in the state, and is more convenient and easy to use; meanwhile, the types of the blades can be replaced according to needs, and the functionality is more and stronger.

A sternal elevator apparatus is disclosed. The sternal elevator may include a panel, a support beam traversing the panel, and a post coupled to a proximal end of the panel. The apparatus may also include an indicator handle coupled to the sternal elevator, an actuator drive pivotably coupled to the indicator handle, and a housing movably coupled to the actuator drive. The sternal elevator apparatus may have an actuator drive incorporating a linear rack. The housing further may include a cylindrical gear where the cylindrical gear is engaged with the linear rack.

This invention relates to a method, apparatus, and medium for rapid sorting of poultry meat percentage based on X-ray imaging. The method includes: Step S1: acquiring X-ray images of the poultry to be tested; Step S2: identifying the sternal region and skin boundary based on the X-ray image; Step S3: drawing a normal at the sternal apex, obtaining the intersection of the normal at the sternal apex and the skin boundary as the first surface point, and obtaining the initial bone-skin distance based on the distance from the sternal apex to the first surface point; Step S4: obtaining the angle between the X-ray machine's visual axis direction and the normal direction of the first surface point as the consistency difference angle, obtaining the sternal integrity ratio and sternal principal axis attitude angle based on the sternal region, and correcting the initial bone-skin distance based on the consistency difference angle, sternal integrity ratio, and sternal principal axis attitude angle to obtain the corrected bone-skin distance; Step S5: obtaining the meat percentage grading result based on the corrected bone-skin distance. Compared with the prior art, this invention can achieve poultry meat percentage sorting based on X-ray imaging.

Sternal closure systems are provided for closing a separated sternum following a surgery that requires accessing a patient's chest cavity. An exemplary sternal closure system may utilize a combination of one or more bone plates, cerclages, and fixation devices.

The invention relates to the field of medical instruments, in particular to a combined type artificial sternum support for funnel chest orthopedic. The orthopedic plate comprises a first orthopedic plate body, a second orthopedic plate body and a third orthopedic plate body which are connected in an assembled mode, the orthopedic plate can be changed into a shape convenient to take out when needing to be taken out, overturning of the orthopedic plate is avoided, and the taking-out difficulty is reduced; the second orthopedic plate comprises a plurality of unit plates, the unit plates, the first orthopedic plate and the third orthopedic plate are connected in series through connecting steel wires, the first orthopedic plate and the second orthopedic plate are provided with wire tightening devices capable of tightening the connecting steel wires, when the support is placed in and taken out, the connecting steel wires are loosened, the support is of a movable chain type structure, and the support is very convenient to place in and take out; meanwhile, the tensioning degree of the connecting steel wire is adjusted through the wire tightening device, a novel orthopedic mode of stepped resetting is adopted during orthopedic, and the connecting steel wire is tightened by a gradient at intervals, so that the arching radian of the stent is gradually increased, and the situation that the sternum is jacked up in place at a time, so that the sternum and intercostal muscle are greatly damaged is avoided.

A pressure distribution implant for use in sternal closure includes an elongated body having first and second ends, a longitudinal axis, and top and bottom surfaces that extend along the longitudinal axis. A plurality of spaced anchors project from the top surface of the elongated body, each including a segment of an elongated channel extending therethrough that is aligned with the longitudinal axis of the elongated body. Each spaced anchor has an opening that is in communication with the segment of the elongated channel associated therewith. The spaced anchors define gaps therebetween that overlie the top surface of the elongated body. The elongated body is flexible and is more flexible at the locations of the gaps and less flexible at the locations of the spaced anchors. An elongated tissue closure device is secured to the anchors for applying pressure for sternal closure.

The invention relates to the technical field of medical instruments, in particular to a double-cavity trachea cannula positioning device based on an electromagnetic technology, which comprises a trachea positioning module, a data acquisition module, a data processing module and a dynamic simulation module, the data processing module is used for receiving the electromagnetic signal acquired by the data acquisition module and analyzing the relative position of the electromagnetic sensor in the positioning electromagnetic field based on the electromagnetic signal; the processing module is used for receiving the body surface image of the patient acquired by the data acquisition module, identifying the position of the ring-shaped cartilage, the position of the sternum angle, the position of the left clavicle and the position of the right clavicle of the patient according to the body surface image of the patient based on an image processing technology, marking the position of the lower edge of the ring-shaped cartilage as a trachea starting projection point and marking the position of the lower edge of the sternum angle as a trachea ending projection point; body surface trachea projection is formed; through the design that the electromagnetic sensor is combined with the data processing module, the double-cavity trachea cannula can be positioned, meanwhile, the ventilation space is prevented from being occupied, and the ventilation effect of the double-cavity trachea cannula is guaranteed.

The application discloses a sternal retractor, comprising two groups of symmetrically arranged opening mechanisms, each group of opening mechanisms comprising a sleeve, a transmission mechanism and two opening plates, wherein the inside of the sleeve is formed with a cavity, one end of the cavity is provided with an opening communicating with the outside; the two opening plates are arranged on the outer wall of the sleeve and can move along the axial direction of the sleeve; the transmission mechanism comprises a transmission main body and two first driving ends, wherein the transmission main body is arranged in the cavity, the two first driving ends are respectively slidably connected to the outer wall of the sleeve, the two first driving ends are connected with the transmission main body, the two first driving ends are respectively connected with the corresponding opening plates, and the transmission main body is configured to drive the two first driving ends to drive the two opening plates to move towards each other or away from each other. The sternal retractor can not only guarantee the requirement of exposing the surgical visual field to the maximum extent, but also can avoid the accidental risk caused by suddenly changing the direction of the retractor during the operation, thereby providing safer and more reliable medical services for clinical patients.

The split type sternum plate comprises a left plate body and a right plate body, the left plate body comprises two left nail plates arranged on the left side up and down, the right plate body comprises two right nail plates arranged on the right side up and down, and the upper portion and the lower portion of the right side of the left plate body protrude rightwards to form two left supporting plates; the left side of the left plate body protrudes leftwards to form a left supporting plate, the left side of the right plate body protrudes leftwards to form a right supporting plate, the right supporting plate is inserted into an interval space formed between the two left supporting plates in an attached mode, the device further comprises a U-shaped pin, two arms of the U-shaped pin are inserted from top to bottom and connected with the left supporting plate and the right supporting plate, and the position, close to the bottom, of one arm of the U-shaped pin is thinned. According to the utility model, the detachable type is adopted, and meanwhile, the pull-out type pin is adopted, so that the left and right plate bodies can be quickly pulled out and separated to open the thoracic cavity in emergency.

A garment for support and compression of a wearer's breasts during high-contact physical activity. The garment includes a bust panel covering the sternal region of the wearer. Elongated underarm sections of the garment provide coverage for the underarm region of the wearer. Two underarm panels are operable to be coupled to the bust panel. The garment further includes back straps in a cross-back configuration, wherein the crossed straps are individually movable and not coupled together. The garment further includes a fully circumferential waistband, wherein the bust panel and underarm panels are attached to the waistband. The bust panel comprises a layer of padded material between at least two layers of flexible fabric. The garment further includes nonslip zones on the interior surface of the flexible fabric.

1. The name of the design product: sternal plate (distraction type I). 2. The use of the design product: for sternal approximation fixation. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

1. Name of the product in this design: Sternum plate (spreading type II). 2. Purpose of this design: For sternal closure and fixation. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.