71 results about "Sternum/Sternal" patented technology

A portable cardiac massage apparatus comprises a C-shaped frame including a base, an upper arm and an upright body, a plunger for applying pressure to a patient's sternum, which plunger is coupled to and movable with respect the upper arm toward the base and back. A lever is pivotally coupled to the plunger through a first hinge and to a link rod through a second hinge. The link rod is pivotally coupled to the upper arm through a third hinge. The lever is also pivotally connected to an auxiliary rod through a fourth hinge. The auxiliary rod is pivotally connected to the upright body through a fifth hinge that is displaceable along the upright body in toward the base and back. The first hinge is located between the second and fourth hinges and beyond the fourth hinge as seen in a direction from the upright body to the plunger.

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.

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

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 cervical collar has a front component formed from a compressible foam material and defines a recess constituting part of a tracheal opening. The collar also has a height adjustment mechanism secured to the front component which forms a substantially rigid border about the tracheal opening, and a sternum pad formed from a compressible foam material. The height adjustment mechanism selectively connects the front component to the sternum pad at a permanently locked position among a plurality of predefined distances.

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.

The utility model discloses a sternum hooking piece with an operation smoke absorbing function. The sternum hooking piece comprises a plate piece and a hanging piece, the tail end of the plate is bent in the horizontal direction and then connected with the hanging piece. A pipe groove is formed in the top face of the plate in the middle line direction, and the smoke suction pipe is embedded in the pipe groove and extends to the surface of the hanging piece. A plurality of smoke suction holes are formed in the smoke suction pipe on the top face of the plate in the length direction. The plate is fixed through the horizontal U-shaped hanging piece, the inclined tail end of the plate is utilized to be conveniently and horizontally inserted into the chest in an inclined mode, and the sternum is lifted in a horizontal posture. In the connected state, smoke generated in the thoracic cavity is adsorbed and discharged through the smoke suction holes right facing the thoracic cavity, the visual field is expanded, and the operation is facilitated. The smoke adsorption device is simple in structure and convenient to use, the fixing position of the plate can be adjusted through the extension section, the smoke adsorption efficiency is effectively improved, operation is not affected, and the smoke adsorption device has high practicability and wide applicability.

An intraosseous access device for accessing an intraosseous space of a patient includes a manual driver and a sternal locator. The handle is connected to an inner penetrator hub, and an inner penetrator extends from the inner penetrator hub. An outer penetrator hub is releasably engaged to the inner penetrator hub. A protective cover is slidably coupled to the handle. The protective cover is operable to move from an extended position where the inner penetrator is covered, to a retracted position where the inner penetrator is exposed. The sternal locator includes a base; a collar extending from a first surface of the base for securing the intraosseous access device to restrict longitudinal separation of the intraosseous access device from the locator. The locator may be removed from the patient while the outer penetrator remains inserted in an intraosseous space of the patient.

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.

Disclosed is an insertion-type sternal plate, comprising a first connecting member (1) and a second connecting member (2). The first connecting member (1) comprises an insertion plate (11). A lower end surface of the insertion plate (11) is provided with several first anti-retraction teeth (111). The second connecting member (2) comprises a connection end (21). The connecting end (21) comprises an insertion hole (212). A bottom surface of the insertion hole (212) is provided with second anti-retraction teeth (213). The insertion plate (11) is suitable for being fitted with the insertion hole (212), so as to realize connection between the first connecting member (1) and the second connecting member (2) by means of meshing of the first anti-retraction teeth (111) with the second anti-retraction teeth (213). The number of the first anti-retraction teeth (111) exceeds that of the second anti-retraction teeth (213). The insertion-type sternal plate is made of polyether ether ketone or carbon fiber-reinforced modified polyether ether ketone. The insertion-type sternal plate realizes connection between the first connecting member (1) and the second connecting member (2) by means of fitting of the insertion plate (11) with the insertion hole (212). The connection length of the insertion plate (11) can be adjusted according to the size of the sternum, such that the insertion-type sternal plate is applicable to sterna of various sizes, which helps to improve versatility of the insertion-type sternal plate.

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 utility model relates to the technical field of medical instruments, in particular to a sternum dilator soaking and cleaning device, which comprises a base, an ultrasonic generating component and an electric control component, a soaking tank is arranged at the top of the base, and a supporting piece is arranged in the soaking tank; the supporting piece is used for lifting the sternum dilator. The supporting piece comprises the L-shaped supporting piece and the sliding sleeve supporting piece, and the sternum dilator can be stably placed in the soaking tank. The through hole design in the surface of the L-shaped supporting piece facilitates circulation of cleaning liquid, the sternum dilator makes full contact with the cleaning liquid, and the cleaning effect is improved. The sliding sleeve on the sternum dilator can be effectively fixed through the sliding sleeve supporting piece, ultrasonic cleaning is conducted on the inner wall of the sliding sleeve and the whole sternum dilator through the ultrasonic generation assembly, and the problem that cleaning dead corners exist in the cleaning process is effectively solved.

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.