1156 results about "Retractor" patented technology

A dental mouthpiece is provided that may be attached to a high-suction dental adapter for the purpose of assisting the dental staff during dental procedures through chair-side, hands-free suction, and isolation. Such a mouthpiece may comprise a main body portion, a cheek retractor portion, and a suction connector portion. In an embodiment, the main body portion, cheek retractor portion, and suction connector portion may be molded in one piece, preferably by injection molding. The main body portion has an anterior wall inside the curve and a posterior wall outside the curve, and an at least one connector connecting the anterior wall and the posterior wall. The main body portion has an anterior intervening wall and the posterior intervening wall in between the anterior and posterior walls. The anterior intervening wall and the posterior intervening walls have alternating crests and troughs.

A dental mouthpiece is provided that may be attached to a high-suction dental adapter for the purpose of assisting the dental staff during dental procedures through chair-side, hands-free suction, and isolation. Such a mouthpiece may include a main body portion, a cheek retractor portion, and a suction connector portion. In some embodiments, the main body portion, cheek retractor portion, and suction connector portion (and sub-portions thereof) may be molded in one piece, preferably by injection molding. In an exemplary embodiment, the mouthpiece may be made of a material that is flexible, translucent, conducive to injection molding, high heat-resistant, and autoclavable. Such a material may include silicone. Because the mouthpiece may be made of a high heat-resistant and autoclavable material, such a mouthpiece may be reusable.

A dental mouthpiece is provided that may be attached to a high-suction dental adapter for the purpose of assisting the dental staff during dental procedures through chair-side, hands-free suction, and isolation. Such a mouthpiece may comprise a main body portion, a cheek retractor portion, and a suction connector portion. In some embodiments, the main body portion, cheek retractor portion, and suction connector portion (and sub-portions thereof) may be molded in one piece, preferably by injection molding. In an exemplary embodiment, the mouthpiece may be made of a material that is flexible, translucent, conducive to injection molding, high heat-resistant, and autoclavable. Such a material may include silicone. Because the mouthpiece may be made of a high heat-resistant and autoclavable material, such a mouthpiece may be reusable.

The invention relates to a surgical retractor (10) comprising a support (12), first and second arms (14, 16) extending from a same side of the support, a first anatomy engaging member (42) having a first interior face (52) and a first exterior face (50), and a second anatomy engaging member (44) having a second interior face (52) and a second exterior face (50). The first anatomy engaging member (42) depends along its length from the first arm (14) whereby the first exterior face faces (50) away from the second anatomy engaging member (44). The second anatomy engaging member (44) depends along its length from the second arm (16) whereby the second exterior face (50) faces away from the first anatomy engaging member (42). Each of the first and second exterior faces (50) defines at least one elongate protrusion, the elongate protrusion extending transversely on the respective anatomy engaging member. The first and second arms (14, 16) are spaced apart from each other along the support (12).

Surgical instrument bits are disclosed that mate to a multi-function surgical handle. The surgical instrument bits may include an integrated light source, and they may be disposable or reusable. Surgical instrument bits may comprise scalpel blades, skin hooks, retractors, curettes, comedone extractors, forceps, elevators, dissectors, elevators, bone hooks, suture removers, punch biopsy instruments and probes, reflecting devices such as mirrors, trocars and splinter liberators.

The invention discloses a joint dilator of an orthopedic knee arthroscope and a control method thereof, and relates to the technical field of medical instruments, the method comprises the following steps: acquiring a geometric center of a preset distraction range and a rotating fulcrum of the dilator, and constructing a preset Y axis according to the geometric center and the rotating fulcrum; when the spreader performs initial rotation by taking a preset Y axis as a rotation axis, the graph acquisition piece acquires an actual image contour in real time; comparing the actual image contour with the target image contour in real time; when the coincidence degree between the actual image contour and the target image contour is a second coincidence degree, the position of the preset Y axis is confirmed again according to the coincident contour between the actual image contour and the target image contour in the first coincidence degree, and an actual Y axis is set; the angle control device is combined with the actual Y axis to control the dilator, through the arrangement, it can be ensured that the dilated range of the dilator coincides with the range corresponding to the actual injury characteristic, and then the wound area of a patient is reduced.

The surgical retractor (10) comprises a support (12), a first arm (14) extending from the support, and a second arm (16) extending from the support, the first and second arms extending from a same side of the support and spaced apart from each other along the support. The surgical retractor (10) further comprises a first anatomy engaging member (42) having a first interior face (52) and a first exterior face (50), and a second anatomy engaging member (44) having a second interior face (52) and a second exterior face (50). The first anatomy engaging member (42) depends along its length from the first arm (14) whereby the first exterior face (50) faces away from the second anatomy engaging member (44). The second anatomy engaging member (44) depends along its length from the second arm (16) whereby the second exterior face (50) faces away from the first anatomy engaging member (42). Each of the first and second anatomy engaging members (42), (44) is formed from a plastics material. Each of the first exterior face (50) and the second exterior face (50) has a coating thereon, the coating comprising at least one haemostatic agent.

A retractor for use in surgical operations comprises a pair of blade assemblies. In operation, the blade assemblies are initially in a closed position to assume a low profile, inserted into a relatively small incision, and stretched apart from each other, thereby stretching the skin about the incision to form an aperture longer than the incision. The retractor is adapted to rotate a first blade about a first axis and a second blade about a second axis. The retractor is adapted to move the pair of blade assemblies apart along a third axis. The retractor is adapted to pivot the first blade about a fourth axis and the second blade about a fifth axis. In some embodiments, a method of performing an operation, e.g. a spinal operation, on a patient using the disclosed retractor is provided.

A retractor for use in surgical operations comprises a pair of blade assemblies. In operation, the blade assemblies are initially in a closed position to assume a low profile, inserted into a relatively small incision, and stretched apart from each other, thereby stretching the skin about the incision to form an aperture longer than the incision. The retractor is adapted to rotate a first blade about a first axis and a second blade about a second axis. The retractor is adapted to move the pair of blade assemblies apart along a third axis. The retractor is adapted to pivot the first blade about a fourth axis and the second blade about a fifth axis. In some embodiments, a method of performing an operation, e.g. a spinal operation, on a patient using the disclosed retractor is provided.

The invention relates to the technical field of medical apparatus and instruments, in particular to an operation retractor which comprises four supporting arms, the four supporting arms correspond to one another end to end and are distributed in a rectangular shape, sliding holes are formed in the inner ends of the supporting arms, sliding boxes are slidably connected into the sliding holes, and sliding rods penetrate through the inner ends of the sliding boxes; a connecting piece is fixedly installed at the end, away from the supporting arm, of the sliding rod, a shifting plate is arranged below the connecting piece, rotating cylinders are arranged on the two sides of the supporting arm, driven cylinders are connected to the inner ends of the rotating cylinders, an adjusting cylinder is arranged at the end, away from the rotating cylinders, of the supporting arm, and an adjusting device used for controlling the motion trail of the connecting piece is arranged in the adjusting cylinder. Through synchronous movement of the four shifting plates, it is ensured that an incision is evenly and stably expanded, the exposure effect of an operation view is remarkably improved, meanwhile, the tissue damage risk is reduced, meanwhile, the driving plate can be directly adjusted according to actual requirements in an operation, linkage displacement of all the shifting plates is controlled in real time, and the tedious step that a traditional instrument needs to be adjusted one by one is omitted.

An intra-oral appliance, an internal member and an external member is provided. The internal member can include a tongue crib, a poseable first arm connected at a first end to the back end of the tongue crib, and a poseable second arm connected at a first end to the back end of the tongue crib. The poseable first arm and the poseable second allow the tongue crib to be moved into a position and held in the position. The external member can include a first lip retractor, a second lip retractor, a first retractor flange, a second retractor flange and connectors attachable to the first arm and the second arm of the internal member.

The invention provides a flap retractor for breast cancer surgery, and belongs to the technical field of medical instruments. Comprising an arc-shaped frame, third bent parts are arranged at the two ends of the arc-shaped frame, rebound frames are fixedly connected to the inner walls of the two ends of the arc-shaped frame, air bags are installed in the rebound frames, and second connectors are fixedly connected to the outer walls of the air bags; the drainage assembly is used for sucking interstitial fluid at the incision position of the skin flap, and the drainage assembly is connected with the arc-shaped frame and the rebound frame. By arranging the arc-shaped frame, the position of a skin flap incision can be supported and pulled, the skin flap incision is pulled and opened by means of the air bag and the rebound frame, by means of the pulling mode, operation is convenient and labor-saving, an operator does not need to continuously hold and apply force with hands in the actual operation process, manpower and material resources are saved, and the working efficiency is improved. And the size of the opening of the skin flap incision is controlled according to the air filled in the air bag, so that the control of the size of the opening is more stable, and the accuracy is higher.

A retractor for use in surgical operations comprises a pair of blade assemblies. In operation, the blade assemblies are initially in a closed position to assume a low profile, inserted into a relatively small incision, and stretched apart from each other, thereby stretching the skin about the incision to form an aperture longer than the incision. The retractor is adapted to rotate a first blade about a first axis and a second blade about a second axis. The retractor is adapted to move the pair of blade assemblies apart along a third axis. The retractor is adapted to pivot the first blade about a fourth axis and the second blade about a fifth axis. In some embodiments, a method of performing an operation, e.g. a spinal operation, on a patient using the disclosed retractor is provided.

A modular retractor may include a first body portion that houses a distraction mechanism for opening and closing a first arm and a second arm. A first pivoting member may be coupled to a distal end of the first arm and a second pivoting member may be coupled to a distal end of the second arm, for example. A first pin receiving cannula may be coupled to the first pivoting member and a second pin receiving cannula may be coupled to the second pivoting member. The first and second pin receiving cannulas may receive a threaded pin therein and be independently inclinable. Various embodiments may include at least one quick connect coupler. During use, a first pin and a second pin may be secured to a first and second vertebrae for distracting and / or adjusting an angle of inclination of the first and second vertebrae.

A surgical retractor tool includes a handle and a blade extending transversely from a front end of the handle. The blade includes a proximal portion and a distal portion with respective proximal and distal tissue engaging surfaces. The distal tissue engaging surface may be skewed relative to the proximal tissue engaging surface such that the handle may be angled relative to a direction of retraction when the surgical retractor tool is used. A distal tip of the retractor may include a curved tongue that may be curved in a direction opposite the direction of retraction.

A system for performing minimally invasive procedures in a body lumen of a patient including a flexible catheter having a first lumen configured and dimensioned to receive an endoscope therethrough and a second lumen configured and dimensioned to receive a first flexible tube therethrough. The first flexible tube is movable through the second lumen and has a distal portion including a first curve extending in a first direction with respect to the longitudinal axis and a second curve extending in a second different direction with respect to the longitudinal axis. A retractor system is positioned at a distal portion of the catheter and is movable from a non-expanded insertion position to an expanded position forming an expanded cage to form a larger working space. The distal portion of the first flexible tube is movable within the expanded cage.

A dental mouthpiece is provided that may be attached to a high-suction dental adapter for the purpose of assisting the dental staff during dental procedures through chair-side, hands-free suction, and isolation. Such a mouthpiece may comprise a main body portion, a cheek retractor portion, and a suction connector portion. In an embodiment, the main body portion, cheek retractor portion, and suction connector portion may be molded in one piece, preferably by injection molding. The main body portion has an anterior wall inside the curve and a posterior wall outside the curve, and an at least one connector connecting the anterior wall and the posterior wall. The main body portion has an anterior intervening wall and the posterior intervening wall in between the anterior and posterior walls. The anterior intervening wall and the posterior intervening walls have alternating crests and troughs.

A surgical stapling device includes a tool assembly having a drive assembly, an anvil, and a cartridge assembly. The cartridge assembly includes a replaceable staple cartridge that includes an actuation sled assembly having an actuation sled, a knife bar, and a retractor link. The retractor link is secured to the knife bar such that the actuation sled assembly is movable through a cartridge body of the staple cartridge. The retractor link is movable from a non-deformed condition disengaged from the drive assembly to a deformed condition engaged with the drive assembly to facilitate retraction of the actuation sled assembly after the stapling device is fired.

Systems and methods to facilitate visual and tool access within a volume reached by an endoscopic tool inserted into brain tissue. Cameras are placed in various locations distal to and / or proximal to the volume, and in some cases are repositionable. Provision of different viewing angles helps to maintain close visual monitoring of surgical progress. Retractor and scaffolding are used, in some embodiments, to open and / or maintain opening of a working volume, particularly a working volume from which material is being removed, and which may be prone to partial collapse as surrounding tissue pushes inward into the evacuated area. Working channels are reconfigurable by use of inner and outer parts, and working channels may be shaped to allow simultaneous use by a plurality of tools and / or supports.

The present disclosure describes a surgical retractor system and method. The surgical retractor includes an elongate element defining an operational axis, a first blade secured to the elongate element and comprising a blade face, a second blade moveably secured to the elongate element, wherein the second blade defines a reference point located thereon, and wherein a movement of the second blade moves the reference point in a linear direction parallel to the operational axis and orthogonal to the blade face. A guide element may be removably located within an opening located on either the first blade or the second blade.

The invention aims at providing a breast surgery retractor capable of avoiding skin scald, and relates to the field of medical surgical instruments, the breast surgery retractor comprises a fixing device, the fixing device comprises a first sliding rail, a supporting rod, a limiting stopper and a pressing plate, and the fixing device is used for adjusting the position and angle of the surgery retractor, so that the surgery retractor is more practical; the auxiliary device comprises a second sliding block, a second sliding rail, a third sliding rail and a first auxiliary drag hook assembly and assists the heat dissipation plate in traction, and the operation difficulty is reduced; the isolation device comprises a second auxiliary drag hook assembly, a traction rod, a shifting block, a sleeve, a connecting rod and a diaphragm, the skin can be isolated through the diaphragm, and the skin is prevented from being scalded due to heat conduction of metal. The problem that a metal drag hook easily scalds the skin is solved.

A method of performing an operation, e.g. a spinal operation, on a patient using a retractor comprising a pair of blade assemblies which are adapted to open about a set of axes that are not parallel to a third spatial axis, and further comprising a pair of arms, which are adapted to move the pair of blade assemblies apart from one another in the third spatial axis. In the method, the blade assemblies are closed to assume a low profile, inserted into a relatively small incision, and stretched apart from each other, thereby stretching the skin about the incision to form an aperture longer than the incision. The blade assemblies are then opened by rotating the blades about the set of axes, stretching the skin around the incision in a second direction that is substantially perpendicular to the first direction (i.e. the direction of the incision.)

Improved methods and devices for performing an endoscopic surgery including a system for performing minimally invasive procedures including a flexible catheter having a first lumen, a first flexible tube positioned in the first lumen, and a second flexible tube positioned in the first lumen. The first lumen defines a first space configured and dimensioned to receive an endoscope. The first flexible tube and second flexible tube are fixed at a proximal portion and configured to float within the first lumen of the catheter. First and second flexible guides are slidably positioned within the first and second flexible tubes and dimensioned to receive a first instrument for axial movement therein, the first and second flexible guides movable to an angled position with respect to a longitudinal axis. A working space expanding system positioned at a distal portion of the flexible catheter, the working space expanding system movable from a non-expanded insertion position to an expanded position forming an expanded region to expand the working space within the body lumen.

The invention belongs to the technical field of surgical instruments, and provides a surgical retractor assembly. The surgical retractor assembly comprises an operating handle part, a retractor body connecting part and a retractor working part, the surgical retractor assembly comprises a fixing piece support, the retractor body connecting part comprises a first connecting section, the first connecting section is connected with the operating handle part, an included angle is formed between the first connecting section and the retractor working part, and a support guide rail is arranged in the center of the first connecting section; the fixing part support can slide in the support guide rail and comprises a fixing end close to the drag hook working part, and at least one fixing hole is formed in the fixing end. Additional arrangement of interference surgical operation and replacement of a drag hook are replaced to prolong the surgical time, and meanwhile, muscle and nerves in a surgical area may be injured additionally when the surgical area is retracted for multiple times; the light source set is arranged on the hook body connecting section to conduct auxiliary illumination on the area below the fixing piece support, and the situation that shadows generated by the fixing piece support and temporary screws affect operators is avoided.

The invention discloses a multifunctional operation drag hook for animal husbandry and veterinary, and belongs to the field of veterinarians, the multifunctional operation drag hook comprises an operating table, a moving table is assembled on the front side of the operating table, an electric sliding rail is assembled on the top of the moving table, an electric sliding block is assembled on the top of the electric sliding rail, and an electric telescopic rod is fixedly connected to the top of the electric sliding block; the top of the electric telescopic rod is fixedly connected with a drag hook. An extension plate is slidably connected to the inner wall of the drag hook, a sliding groove is formed in the front face of the drag hook, a limiting plate is fixedly connected to the left side of the inner wall of the drag hook, an extrusion block is fixedly connected to the bottom of the extension plate, and a first hydraulic assembly is fixedly connected to the inner wall of the drag hook. Skin tissue can be lifted and opened, the effect of tensioning the skin is achieved, and the operability of an operation area is improved by increasing the contact area of the drag hook and the skin. Particularly, linkage of an air bag, a first hydraulic rod and an extension plate is used, and the stability and the expansion effect of the skin tissue are further ensured through lifting and extrusion.

A retractor for use in surgical operations comprises a pair of blade assemblies. In operation, the blade assemblies are initially in a closed position to assume a low profile, inserted into a relatively small incision, and stretched apart from each other, thereby stretching the skin about the incision to form an aperture longer than the incision. The retractor is adapted to rotate a first blade about a first axis and a second blade about a second axis. The retractor is adapted to move the pair of blade assemblies apart along a third axis. The retractor is adapted to pivot the first blade about a fourth axis and the second blade about a fifth axis. In some embodiments, a method of performing an operation, e.g. a spinal operation, on a patient using the disclosed retractor is provided.

A retractor may include a proximal portion and a distal portion opposite the proximal portion. The distal portion may include first and second blade retractors each having a blade receptacle defined in a first end of a body. The blade receptacle has an opening that narrows to a seat for receiving a blade head, the seat defining a shape that reduces translation, rotation, and / or angulation of the blade head.

A system for harvesting a tendon graft is disclosed, the system including a retractor, a guide and at least one harvesting tool. The retractor holds open an anatomic space in a patient above the tendon. The guide assembles with the retractor to orient a guide shaft along the retractor and thereby the anatomic space. A first harvesting tool and the guide include a plurality of surfaces that cooperate with each other to transect the tendon and form at least one side of the tendon graft, the plurality of surfaces cooperating to limit a trajectory and a depth of cut into the tendon and also limiting both ends of the translational extent of the harvesting tool along the tendon. A second harvesting tool may extend along the anatomic space formed by the retractor and form both a posterior cut along the tendon and transect a tendon graft end.

A tissue retractor for laparoscopic surgery according to the present invention is a device for retracting tissues including organs in the abdominal cavity during laparoscopic surgery. The device has a structure in which four bar-shaped main frames are connected to each other to form a rhombus shape, and the four vertices thereof can be folded or unfolded. Accordingly, when one pair of first vertices facing each other are completely folded and the other pair of second vertices are completely unfolded, the device becomes a straight line and can be inserted into the abdominal cavity via a trocar installed in a surgical incision.

The present invention relates to the technical field of medical instruments, and more specifically, it relates to a retractor for neurosurgery, including a retracting mechanism, which includes a handle assembly, and a retracting assembly rotatably mounted on the handle assembly, the handle assembly including a first handle and a second handle rotatably connected together, and a matching self-locking member arranged on the first handle and the second handle, the retracting assembly including a support rod rotatably mounted on one end of the first handle and the second handle, a sliding member arranged on the support rod, a retracting hook rotatably mounted on the sliding member, and a parallel separation member arranged on the support rod. The present invention solves the problem that during surgery, the doctor's limb movements during surgery will cause the retractor's retractor hook to warp up or down, thereby causing excessive pulling on the patient's tissue.