138 results about "Surgical access" patented technology

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 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 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.

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.

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.

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 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.

The application discloses a breast endoscope simulation training device, and relates to the technical field of surgical simulation training devices, which comprises a front chest shell and a back lining, the back lining is installed in the front chest shell, so that a thoracic cavity is formed between the front chest shell and the back lining; the front chest shell is provided with a surgical channel communicated with the thoracic cavity; a magic tape is detachably installed on the inner wall of the thoracic cavity, the magic tape comprises a rough surface layer and a hook surface layer, the hook surface layer is arranged on the cavity wall of the thoracic cavity close to the front chest shell, and the rough surface layer is bonded to the hook surface layer. The application can simulate the operation environment and the operation feeling, has low cost, and can be repeatedly used for training.

The embodiment of the invention is applicable to the technical field of computer-aided medical technology, image processing technology and intraoperative navigation, and provides an intraoperative navigation system and method and computer equipment, the system comprises the computer equipment, and optical navigation equipment and intraoperative imaging equipment which are connected with the computer equipment, the computer equipment is used for realizing the following intraoperative navigation method: registering a guide image currently acquired by the intraoperative imaging equipment, wherein the guide image is a two-dimensional image acquired in real time in an operation; identifying an established or partially established current surgical channel in the registered guide image; and projecting a planned operation channel into the guide image, and guiding a doctor to adjust the current operation channel according to a projection straight line of the planned operation channel. By the adoption of the system, a doctor can be visually guided to adjust an operation channel in an operation through the guide image, the number of times of X-ray fluoroscopy is reduced, and operation efficiency and accuracy are improved.

The utility model relates to the technical field of medical instruments, in particular to a surgical approach cannula and drag hook device which comprises a cannula body and a drag hook body arranged on the outer side of the cannula body, the drag hook body comprises a rod body, a handle arranged at the upper end of the rod body and a hook head arranged at the lower end of the rod body, and a limiting piece is arranged on the outer wall of the cannula body; the limiting piece is provided with a mounting hole, and the rod body rotationally penetrates through the mounting hole. The rod body of the retractor body rotatably penetrates through the mounting hole of the limiting piece, the functions of an approach sleeve and a retractor are achieved at the same time, in the operation process, the rod body can rotate in the mounting hole, the sleeve body and the limiting piece can integrally rotate around the axis of the rod body together to be adjusted, and use is more convenient.

The present invention relates to a surgical access port suitable for surgical interventions, characterized by comprising a combination formed by at least one suction conduit and one blowing conduit, such that it allows the surgical field to be cleaned. The inclusion of these cleaning means prevents the surgeon from having to periodically stop the intervention in order to suction and clean the surgical field. The configuration of the access port is such that it allows cleaning, continuously maintaining access to the surgical field and even not requiring the prolongation of elements which descend beyond the port.

A veil prostate electrode assembly comprises an electrode base configured to lay over the top of a prostate and including a top edge and two opposing lateral edges, a plurality of electrodes embedded in the electrode base in a grid arrangement including electrodes along both lateral edges of the electrode base, and a plurality of wire traces having a first portion embedded in the electrode base and a second portion extending from the electrode base, wherein each electrode is associated with a distinct one of the plurality of wire traces. The veil prostate electrode assembly may include various features to improve conformance with the prostate and provide access to the prostate such as to allow surgical access to the prostate while prostate is being monitored or stimulated using the veil prostate electrode assembly.

The invention provides a pediatric laparoscopic posterior peritoneal approach device, and belongs to the technical field of laparoscopes. Comprising a first protection mechanism, a second protection mechanism and a clamping mechanism, a second protection mechanism is arranged on the side face of the first protection mechanism, a protection cover is arranged above the first protection mechanism and the second protection mechanism, a limiting block is arranged at the bottom of the protection cover, a protection sleeve is arranged at the bottom of the protection cover, and a protection channel is formed in the protection sleeve. A plurality of clamping mechanisms are arranged in the first protection mechanism and the second protection mechanism; the pediatric laparoscopic surgery fixing device can adapt to fixing work of protective sleeves of different sizes, the size of a surgery channel can be flexibly changed, and medical staff can conduct a pediatric laparoscopic surgery more easily.

A surgical access device includes a cannula body and a fixation mechanism. The cannula body includes a housing, and an elongated portion extending distally from the housing and defining a longitudinal axis. The fixation mechanism includes a flange, a fixation sleeve, and a proximal sleeve. The flange is rotatable about the longitudinal axis. The fixation sleeve extends distally from the flange and radially surrounds a portion of the elongated portion of the cannula body. The proximal sleeve extends distally from the flange and radially surrounds a proximal portion of the fixation sleeve. Rotation of the flange causes a radially-expandable portion of the fixation sleeve to move between a first position defining a first gap between the radially-expandable portion and the elongated portion, and a second position defining a second, greater, gap between the radially-expandable portion and the elongated portion.

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, and a flexible tool delivery device having a hub and a guide tube, the hub configured to selectively secure to a rim at the proximal end of the outer sheath, and the guide tube configured to extend at least partially into the outer sheath and provide a flexible tool proximate to a tissue.

A surgical access device includes a seal assembly, an upper housing portion, a lower housing portion, and a tubular member. The seal assembly has an instrument seal and is coupled to the upper housing portion. A first valve is partially disposed in an upper chamber of the upper housing portion and a second valve is partially disposed in a lower chamber of the lower housing portion. A valve assembly extends from the upper housing portion and is in fluid communication with the upper chamber. A source of insufflation fluid is attachable to the valve assembly.