173 results about "Surgical access" patented technology

Connectors for connecting or linking one instrument or object to one or more other instruments or objects are disclosed herein. In some embodiments, a connector can include a first arm with a first attachment feature for attaching to a first object, such as a surgical access device, and a second arm with a second attachment feature for attaching to a second object, such as a support. The connector can have an unlocked state, in which the position and orientation of the access device can be adjusted relative to the support, and a locked state in which movement of the access device relative to the support is prevented or limited. Locking the connector can also be effective to clamp or otherwise attach the connector to the access device and the support, or said attachment can be independent of the locking of the connector.

Access assemblies include an instrument valve housing and a valve assembly disposed within the cavity of the instrument valve housing. The valve assembly includes a guard assembly, and a seal assembly disposed distal of the guard assembly. The seal assembly includes a support member including a ring portion and a seal portion disposed within the ring portion. The seal assembly further includes a plurality of seal sections extending from the ring portion of the support member. The support member and the plurality of seal sections are integrally formed.

In the embodiment of the invention, the pneumoperitoneum-free minimally invasive surgery channel device is provided, and the pneumoperitoneum-free minimally invasive surgery channel device at least comprises an inner cylinder, an outer cylinder partially arranged on the inner cylinder in a sleeving mode, a plurality of supporting pieces movably connected to the inner cylinder and a plurality of connecting pieces connected to the outer cylinder; one connecting piece is connected with one supporting piece to drive the supporting piece to move, so that the pneumoperitoneum-free minimally invasive surgery channel device is switched between a distraction state and a puncture state; in the puncturing state, the supporting piece is stored to the position where the supporting piece is attached to the inner cylinder, so that the inner cylinder can puncture into the pleuroperitoneal cavity conveniently; in the expanding state, the supporting piece is expanded in the radial direction of the inner cylinder so as to be expanded in the pleuroperitoneal cavity to form an operation space. According to the pneumoperitoneum-free minimally invasive surgery channel device, the supporting piece is driven by the connecting piece to be unfolded so as to establish a surgery space in the pleuroperitoneal cavity, and the problem that in an existing pleuroperitoneal cavity surgery, it is difficult to establish a pneumoperitoneum to conduct the surgery under the emergency condition is solved.

The embodiment of the present application provides an adjusting structure of a spinal surgery channel system and the spinal surgery channel system with the adjusting structure. The spinal surgery channel system comprises an endoscope and a working channel tube, the adjusting structure comprises a supporting assembly, an adjusting assembly and a matching seat, the supporting assembly is used for mounting the working channel tube, the matching seat is connectable with the endoscope, and the matching seat is swingably connected with the supporting assembly along a first preset direction through the adjusting assembly so as to realize the displacement of an endoscope tube of the endoscope along the first preset direction. Therefore, the relative position of the endoscope tube in the working channel tube is changed, the moving stroke range of the endoscope tube is improved, and the doctor can adjust the endoscope tube to the ideal position according to the actual situation of the patient. Therefore, the adjusting structure according to the embodiment of the present application has the advantages of improving the operation field of view and increasing the flexibility and convenience of the operation.

A surgical access assembly may include an outer sheath defined by an open distal end and an open proximal end and including a hollow body portion therebetween, a rim portion arranged at the proximal end of the outer sheath, and a flexible instrument adapter having cap and a clamp, the cap including a housing defining an opening, the clamp configured to selectively secure the cap to the rim portion. The cap including a guide tube coupled to the housing at the opening and configured to extend at least partially into the outer sheath to receive a flexible instrument at the cap and guide a flexible instrument proximate to a tissue.

A surgical draping system includes an under-draping, an over-draping, and a connecting draping connected by the under-draping and the over-draping. The surgical draping system is used to establish and maintain a surgical corridor to a surgical site or sites on a patient supported by a surgical table. The surgical draping system can accommodate rotation of the patient on the surgical table, such that the sterile surgical corridor is maintained even during such rotation. The sterile surgical corridor extends through an aperture formed in the over-draping, through an enclosed passageway formed through the connecting draping, and through an aperture formed in the under-draping.

A surgical access assembly and method of use is disclosed. The surgical access assembly comprises an outer sheath and an obturator. The outer sheath and obturator are configured to be delivered to an area of interest within the brain. Either the outer sheath or the obturator may be configured to operate with a navigational system to track the location of either device within the brain.

A surgical access device, such as in the form of a Veress needle or trocar / obturator, for use in providing access to a patient in a surgical setting is disclosed. The surgical access device incorporates one or more sensors to provide real-time data usable to evaluate an insertion position of the surgical access device and provide feedback to a live user or robotic insertion device. Additionally, a system and method for adjusting the flow of insufflation gas based on the real-time data and a sensed pressure at the surgical access device is described.

A soft robotic imaging device includes a partially extendable scope with a soft robotic actuated flexible distal part that can bend in various directions. The device includes an imaging means at its distal end to capture and transmit video imagery during surgery. Additionally, it includes a surgical access device with a detachable fluid or gas channel and a fixation mechanism. The electronic hardware integrated into the system is housed within a handle attached to the extendable proximal part of the scope. The soft robotic actuated flexible distal part may be constructed from one or more conductive polymers. The device is designed for easy integration into an imaging system for minimally invasive surgical procedures. The system aids in detecting surgical instruments, monitoring tissue conditions, and tracking instrument movements and allows the surgeon to synchronize the flexible distal part's movements with surgical instruments and voice command-based features to provides surgeons with enhanced visibility and control.

The present disclosure relates to a seal assembly of a surgical access assembly. The access assembly includes an instrument valve housing and a valve assembly disposed within a lumen of the instrument valve housing. The valve assembly includes a guard assembly and a seal assembly disposed distal of the guard assembly. In embodiments, the seal assembly includes a plurality of seal segments in an overlapping configuration. Each seal segment of the plurality of seal segments includes a seal portion having a smooth surface and a ribbed surface. The ribbed surface includes a plurality of ribs extending in a radial direction.

The utility model discloses a neuroendoscopic channel device capable of sucking and washing, which particularly relates to the field of medical instruments and comprises a neuroendoscopic channel sheath, and an inner sheath is inserted into the inner side of the neuroendoscopic channel sheath. According to the novel neuroendoscopic channel device, the neuroendoscopic channel outer sheath is arranged and assembled with the other three inner sheaths, so that different effects can be achieved, an operation channel from the brain surface to a deep brain hematoma cavity can be established, a slender endoscope is placed near a diseased tissue, and the operation is convenient and fast. The use convenience during an operation is improved, the operation efficiency is favorably improved, the visual effect of high-definition amplification of the neuroendoscope can be realized at a short distance, a formed minimally invasive channel is simple to operate, instruments are fed and discharged in the channel, and brain tissues do not need to be stretched, so that nerve injury can be reduced, and a sober operation field can be kept under the condition of active bleeding in an operation area; and meanwhile, a surgical field can be directly flushed through the infusion pipeline.

The invention provides a prostate cyst excision device based on ultrasonic guidance, and belongs to the technical field of medical instruments. Comprising a mounting plate mounted on an operating bed, a first positioning plate is fixedly connected to the top of the operating bed, a second positioning plate is slidably connected to the top of the first positioning plate, and a third positioning plate is slidably connected to one side of the second positioning plate; the ultrasonic probe and the resectoscope are installed on the first positioning plate and the third positioning plate respectively. By arranging the positioning assembly, the efficiency of medical staff for placing the ultrasonic probe and the resectoscope into the body of a patient can be improved, the positioning assembly can open a wide operation channel in the rectum of the patient, the convenience of placing the ultrasonic probe into the body of the patient is improved, the operation view is wider, and the operation efficiency is improved. And the positioning assembly can clamp and fix the glans penis of the patient, so that the efficiency of placing the resectoscope into the urethra of the patient is further improved.

An outer sheath used with a surgical access assembly is disclosed. The outer sheath includes a proximal end, a distal end and a body portion therebetween. The proximal end defines a first opening. The distal end is disposed opposite the proximal end and defines a second opening. The body portion includes at least one slot formed therein. At least one light source is retained within the slot, adjacent the proximal end.

1. The name of the design product: cannula (abdominal surgery). 2. The use of the design product: the design product is used to establish a surgical channel during laparoscopy and surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses an abdominal cavity operation puncture outfit which comprises a puncture outfit body and further comprises two arc-shaped fixing plates, and the two arc-shaped fixing plates are symmetrically distributed on the two sides of the puncture outfit body. The pedal is treaded by feet, air in the arc-shaped groove is extracted through the air extraction assembly, so that the arc-shaped fixing plates suck the abdominal skin of a patient, the abdominal skin of the patient can be driven to move upwards to cater to the puncture outfit body by pulling the handle with the hand, and meanwhile an operator presses the pressing plate and drives the two arc-shaped fixing plates to deflect and open through the auxiliary assembly. Meanwhile, a puncture opening of the patient is dragged and exposed, so that puncture operation of an operator is facilitated, meanwhile, the linkage assembly is used for driving the two arc-shaped plates to be closed to form a guide channel to guide the puncture outfit body, and then the puncture precision is improved; therefore, the distance between the abdominal skin and the viscera of the patient is increased, the puncture risk is reduced, and meanwhile the operation pressure of medical staff is reduced.

A surgical frame and method for use thereof is provided. The surgical frame is capable of reconfiguration before, during, or after surgery. The surgical frame includes a main beam that can be rotated, raised / lowered, and tilted upwardly / downwardly to afford positioning and repositioning of a patient supported thereon. The surgical frame also includes a reconfigurable upper leg support for supporting portions of the upper legs, the hips, and the lower back of the patient to facilitate positioning and repositioning there during surgery. The upper leg support via reconfiguration thereof can accommodate patients of different sizes, can provide flexure of the patient's lumbar spine to facilitate surgical access thereto, and can prevent unwanted torsion of a patient's spine during such reconfiguration.

A diagnostic hysteroscope accessory is suitable for creating a surgical channel outside the diagnostic hysteroscope. The accessory has an elongated element (1) having a convex profile configured for sliding engagement with the diagnostic hysteroscope sheath (H) in a cross section. The elongated element (1) includes a distal section (10) suitable for providing a passage (14) for a closure or surgical instrument, and a central section (16) forming a duct suitable for continuing the passage (14) through a distal port (21) and a proximal port (20). Additionally, a connector assembly (3) capable of ensuring the continuity of the passage to the duct is provided, and on the opposite side of the duct, a fastening device (4) is provided having at least two tubular tracts (24, 25) angled toward each other and a removable connection means for attaching the elongated element (1) to the main body of the diagnostic hysteroscope.

1. Name of the product in this design: Handle of a cannula. 2. Application of this design: Overall application: for establishing surgical channels in minimally invasive surgery; Local application: for the handle of a cannula. 3. The key design features of this product are the shape of the part for which protection is sought. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. Other situations requiring explanation: The solid line represents the partial design for which protection is sought.

Expandable spinal fusion devices, systems, and methods of using them are provided, and they can be inserted in a subject in a collapsed state through a small surgical corridor, and the expand cephalocaudal only, transverse only, or in both directions, in which direction of expansion can also be obtained independently, if desired, after the insertion. These inventions are valuable in reducing risk and surgical complexity, allowing for an on-the-fly selection of a desirable width footprint, a desired control of height expansion through a gradual cephalocaudal expansion, and a desired control of the alignment of the adjacent vertebral bodies. Devices, systems, and methods are also offered to provide a desired control of the contact area desired between the device and the upper and lower vertebral endplates achieved, for example, using an interdigitated endplate system.

The present application provides an imaging method and imaging system for surgical implantation, and the imaging system includes: a support; a mechanical arm, where a first end of the mechanical arm is rotatably connected to the support; an imaging device, connected to a second end of the mechanical arm, where the imaging device rotates freely under the driving of the mechanical arm, and is used to obtain a light signal reflected by an observation object and perform imaging; a light source providing device, where one end of the light source providing device is provided on the support, and some or all of the light signals provided by the light source providing device are transmitted to the observation object through an surgical incision, and are reflected to the imaging device by the observation object; a retractor, where the retractor is used for placement within the surgical incision to establish a surgical channel, so that the light signal reflected by the observation object can be obtained by the imaging device; and a controller, where the controller is electrically connected to the mechanical arm and the imaging device, makes an adjustment to a posture according to a position and a direction of the retractor, and controls the mechanical arm to drive the imaging device to rotate freely. According to the imaging system of the embodiment of the present application, long-distance shooting can be implemented, and it is conducive to performing the surgery.

A surgical access system is disclosed that includes an outer sheath, an introducer, and a navigational stylet. The outer sheath is defined by an open distal end and an open proximal end and includes a hollow body portion therebetween. The obturator is defined by a distal end and a proximal end. The distal end further comprises a tapered distal tip member that terminates in a distal tip. The navigational stylet is configured to be selectively fixed to the obturator and is configured to indicate the location of the obturator within a patient during use. The obturator is configured to be received within the outer sheath such that the tapered distal tip member protrudes from the open distal end of the outer sheath when the obturator is in an introducing configuration.

A surgical access assembly includes a cannula including an elongated shaft having a proximal end portion including an anchor inflation port and a distal end portion including an expandable anchor. The elongated shaft includes an inner tube and an outer tube disposed over the inner tube. The inner tube includes at least one groove defined in an outer surface thereof that forms an inflation channel with an inner surface of the outer tube. The inflation channel is in communication with the anchor inflation port and the expandable anchor.

Embodiments of a surgical access port system that comprises a retractor that is adapted for being coupled to a cap and that is particularly useful in natural orifice surgery are described. The retractor comprises an outer ring, wherein the outer ring is configured to be disposed proximate the natural orifice of the patient and substantially surround the orifice; a tubular body; and various stabilizing mechanisms surrounding the tubular body, sized and configured to stabilize and retain the retractor within the orifice. The stabilizing embodiments described herein are useful in all natural orifices and are of particular use in the vaginal surgery.

The utility model discloses a minimally invasive surgery taking-out device and a taking-out system. The taking-out device can comprise a passage piece, a fixing clamp and a cutter. Wherein the access piece is used for establishing a surgical access for surgical operation; the fixing clamp and the cutter can be used for extending into the surgical access and extending out of the far end of the access piece; the fixing clamp is used for fixing and clamping the cut target extraction object, and the cutter is used for cutting the target extraction object and taking out the cut target extraction object through the fixing clamp. On one hand, compared with a plurality of operation channels, the taking-out device has the advantages that the operation risk is reduced through one operation channel; on the other hand, the object is fixedly clamped and taken out through the fixing clamp, so that the object to be taken out is firmly clamped, the risk that a filter screen is not used for filtering thoroughly is also avoided, and the operation safety is enhanced; and thirdly, the fixing clamp and the cutter are matched for operation, so that the operation precision is improved.

Access port adapter for an access device, wherein the access port adapter comprises: an elastomeric body having a tubular section arranged about a longitudinal axis and having a radial dimension perpendicular to the longitudinal axis, wherein the elastomeric body has a first end and a second end along the longitudinal axis and defines a longitudinal passage for at least one elongated instrument between the first end and the second end; wherein the elastomeric body further comprises an access port retaining device near the second end, wherein the access port retaining device comprises a projecting section configured to engage with a corresponding retaining device at a proximal end of an access device.

A surgical access device includes a trocar assembly and a seal housing assembly that is releasably coupled to the trocar assembly. The trocar assembly supports a release mechanism that facilitates attachment and detachment of the seal housing assembly to / from the trocar assembly in a fast and efficient manner.

A surgical access device includes a housing with an elongate tubular member extending distally from the housing. The elongate tubular member has an open distal aperture. A first electrode is disposed in a first region of the elongate tubular member and circumscribes the elongate tubular member. The first electrode is coupled to an anode of a power supply and is configured to provide airborne particulate matter with a negative electric charge. A second electrode is disposed in a second region of the elongate tubular member and circumscribes the elongate tubular member. The second electrode is coupled to a cathode of a power supply and is configured to attract the airborne particulate matter.

A surgical access system comprising a tissue dilation assembly and a tissue retraction assembly, both of which may be equipped with one or more electrodes for use in detecting the existence of (and optionally the distance and / or direction to) neural structures.

The present invention relates to a seal assembly for a surgical access assembly. The surgical access assembly of the present invention includes an instrument valve housing and a valve assembly disposed within a cavity of the instrument valve housing. The valve assembly includes a guard assembly, a seal assembly disposed adjacent the guard assembly, and a centering mechanism for maintaining the seal assembly and the guard assembly centered within the instrument valve cavity. The seal assembly includes a multi-petal seal member and an upper support member and a lower support member. The upper support member and the lower support member sandwich the multi-petal seal member to reduce and / or eliminate leakage through the multi-petal seal member.

The present invention provides a surgical access device including a proximal end portion configured to support a sealing assembly (130) having a blow-in port (140). The device includes an insertion conduit (204) extending distally from the proximal end portion and having an inner surface (210) defining a lumen (212) extending longitudinally through the insertion conduit (204). The insertion conduit (204) is configured to be inserted distally through the wall of a patient's body cavity (1), and the lumen (212) is configured to guide a surgical instrument shaft (252) distally through the insertion conduit (204) into the patient's body cavity (1). The device includes a channel (220) formed in the inner surface (210) of the insertion conduit (204). The channel (220) extends longitudinally between the proximal end and the distal end of the lumen, and the channel (220) is configured to perform at least one of the following operations when the surgical instrument shaft (252) is disposed within the lumen (212): guiding gas through the channel to the inlet port (140) of the sealing assembly (130); or guiding gas from the inlet port of the sealing assembly through the channel.