38 results about "Peritoneoscopes" patented technology

A reloadable device for deploying fasteners including a handle and at least one actuator. The handle is connected to an elongated hollow housing having distal and proximal ends. The device also includes a first cartridge containing at least one fastener releasably connectable to the distal end of hollow housing. The fastener has at least two anchors connected together by a non-resilient flexible suture which does not resist deformation under compressible loads. The device also includes a means for facilitating removal the first cartridge and replacing it with a second cartridge.

A ligation clip applicator design is provided that is particularly applicable to placement of a surgical ligation clip during a laparoscopic surgical procedure. The applicator has a magazine including first and second longitudinally extending partially closed channels within which enlarged portions of a ligation clip are received and held in an open position. First and second substantially parallel compression members are attached to the magazine and have first and second channel extensions therein aligned with the first and second channels of the magazine for receiving the first and second enlarged portions of the clip. The channel extensions include first and second releasing openings. The compression members close about a vessel, remaining substantially parallel as they close. The clip is pushed forward into the compression members to a position where the enlarged portions of the clip are aligned with the releasing openings, permitting the clip to be released to close and ligate the vessel.

Laser radiation delivered to a treatment area causes vaporization of a substantially greater volume of tissue than the volume of residual coagulated tissue. The laser radiation may have a wavelength of about 300 nm to about 700 nm, may be used with a smoke suppressing irrigant, may have an average irradiance greater than about 5 kilowatts / cm2, and may have a spot size of at least 0.05 mm2. A laparoscopic laser device, for use with an insufflated bodily cavity, may include an elongate body adapted for insertion into an insufflated bodily cavity. A laser energy delivery element, at the distal end of the elongate body, may be coupleable to a source of tissue-vaporization-capable laser energy and capable of delivering laser energy along a laser energy path extending away from the laser energy delivery element. A smoke-suppressing liquid pathway, extending along the elongate body to an exit opening at the distal end, may be coupleable to a source of a smoke-suppressing liquid. The smoke-suppressing liquid is directed generally along the laser energy path. A remote visualization device may be used to view along the laser energy path.

A laparoscopic bipolar electrosurgical instrument (10) for sealing tissue includes a handle (14) having an elongated tube (13) affixed thereto. The tube includes first (15) and second (16) jaw members having electrically conductive sealing surfaces (39, 40) attached to a distal end (12) thereof which are movable from a first position for approximating tissue to a second position for grasping tissue therebetween. The handle (14) includes a fixed handle (50) and a handle (52) which is movable relative to the fixed handle to effect movement of the jaw members (15, 16) from the first position to the second position for grasping tissue. The jaw members connect to a source of electrosurgical energy such that the opposable sealing surfaces are capable of conducting electrosurgical energy through tissue held therebetween. A stop (33, 90, 95) is included for maintaining a minimum separation distance between opposing sealing surfaces (39, 40). A ratchet (60, 62) is also included to maintain a closure force in the range of about 7 kg / cm2 to about 13 kg / cm2 between opposing sealing surfaces.

A cartridge containing a fastener. The cartridge has an elongated sheath containing at least one tissue penetrating member. The penetrating member at least partially houses a fastener. The fastener has at least two anchors connected together by a non-resilient flexible suture which does not resist deformation under compressible loads. The cartridge further includes a means for deploying the anchors, wherein the means is movable within the sheath.

A surgical robotic helping hand system according to the present invention enables a surgeon to effectively operate within a patient's body cavities via surgical instruments manually manipulated outside such cavities by holding the various surgical instruments otherwise held by assistant surgeons during the minimally invasive surgical procedure. At least one of the robot-like surgical instrument holders may be specially configured to contain a laparoscopic instrument such that the laparoscope is contained within a sleeve shifter device and capable of being remote controlled for advancement or retraction of the laparoscope along an axis thereof. The robotic-like arms of the surgical instrument holders and laparoscopic instrument holder are attached to a surgical fixation device having a retractor panel that may be adapted to fit a standard Bookwalter retractor device.

A laparoscopic device assembly provides a tubular diaphragm twist seal that responds to a slight rotation of an actuating ring in a first direction by coupling a motor spring power assisted rotation of a bottom circumference of the twist seal achieves a pneumatic seal in an adjustable access channel defined by the state of the twist seal for maintaining an insufflated body cavity for a hand assisted laparoscopic surgical procedure. A slight rotation of the actuating ring in an opposite second direction releases compression spring energy and energy in the twisted state of the twist seal so that an upper circumference of the twist seal is allowed to open the adjustable access channel.

A prosthesis for the treatment of hernias and / or laparoceles via an intraperitoneal route, having a mesh of filaments of non-resorbable and biocompatible polymer material having interstices permitting tissue growth and a sheet of polymer material having barrier properties and low adhesion to sensitive organs and tissues. The sheet is superimposed upon and joined to the mesh so as to form a stratified structure. In particular, the sheet is joined to mesh through a plurality of filaments located alongside each other at a spacing of not more than 5 mm. Each filament has a plurality of attachment sites to the mesh which are not more than 15 mm apart, and each length of filament between two successive attachment sites projects from the surface of the mesh facing sheet and is fused to the sheet.

An electrical leakage detection method and system for use with laparoscopic electrosurgical instruments are provided. The present disclosure provides for an electrosurgical unit for providing electrosurgical energy at an active output thereof and for controlling the flow of the energy through the active output; an active electrode coupled to the active output for transmitting electrosurgical energy to a patient in an electrosurgical procedure; a first sensor disposed at a distal end of the active electrode and for outputting a first signal indicative of current measured at the distal end; a second sensor disposed at a proximal end of the active electrode and for outputting a second signal indicative of current measured at the proximal end; and a comparison circuit coupled to the first and second sensors for receiving the first and second signals and determining a difference value, the difference value being indicative of leakage current.

A trocar cleaning device includes a connecting rod having a first end and a second end. A first sponge is coupled to the first end of the connecting rod, and a second sponge is coupled to the second end of the connecting rod. An X-ray detectable element is coupled to at least one of the connecting rod, the first sponge, and the second sponge.

The present invention relates to a laparoscopic apparatus. The apparatus comprises a handle having a body portion, a top surface, opposite bottom surface, a proximal and distal end. The top surface of the base is contoured to compliment the natural curve of the palm. The apparatus further includes a shaft projecting from the distal end of the handle. The shaft has a proximal and distal end. A control sphere is located on the handle. The control sphere can be moved by one or more of a user's fingers to indicate direction. An end effector is located at the distal end of the shaft. The end effector is connected to the control sphere such that movements made to the control sphere control cause movement (articulation) of the end effector.

An endoscopic access port and sheath assembly or laparoscopic port (10) comprises a sheath (12) and a haemostatic valve. The sheath has an elongate tubular body and a sheath lumen through it. The haemostatic valve comprising a housing (14), the housing comprises a tubular body with an internal lumen (18) and a first end and a second end. The first end is connected to the sheath and the sheath lumen and the internal lumen are in fluid communication. The second end of the housing has an access port. There is a substantially cylindrical valve assembly (27) within the housing at the second end of the housing. The substantially cylindrical valve assembly is formed from a plurality of valve segments (28). Each valve segment has an elongate body being in cross section a sector of a circle. Each valve segment is formed from a resilient material. The plurality of valve segments when assembled form the substantially cylindrical valve assembly and define between each other a plurality resilient interface regions (29) to receive and grip a medical device between them in use.

A laparoscopic device that includes an outer rod having a end connected to a handle and an end having an articulated section formed from links joined with non-diametrical hinges; an actuation rod within the outer rod, having an end connected to the handle and an end connected to a tension element within the articulated section, configured to cause the articulated section to bend when tension is applied; and an attachment rod within the actuation rod having an end connected to the handle and an end having a flexible section connected to a tool. The handle includes an actuator configured to apply tension to the attachment rod such that the tool is activated; a rod actuator configured to apply tension to the actuation rod such that the articulated section of the outer rod bends; and a lockable rotator, configured to rotate the outer rod with respect to the handle.

A trocar cleaning device includes a connecting rod having a first end and a second end. A first sponge is coupled to the first end of the connecting rod, and a second sponge is coupled to the second end of the connecting rod. An X-ray detectable element is coupled to at least one of the connecting rod, the first sponge, and the second sponge.

The invention discloses a laparoscopic filter puncture outfit, and belongs to the technical field of medical devices and medical treatment and public health. The laparoscopic filter puncture outfit comprises a laparoscopic puncture outfit, wherein a filter element positioned at an exhaust port of the laparoscopic puncture outfit is arranged in the laparoscopic puncture outfit, and the filter element is of an annular structure; an annular installation space which is used for installing the filter element and forms a path together with the exhaust port of the laparoscopic puncture outfit and a cannula respectively is arranged on the laparoscopic puncture outfit,, and a certain gap is formed between the filter core and the surrounding of the annular installation space. A filter element filtering device is integrated in the laparoscopic puncture outfit, so that the problems that the surgical environment is polluted and the health of medical personnel and patients are endangered by surgical exhaust efflux can be effectively solved, and thus the laparoscopic surgery is relatively safe and scientific, and the cleanliness of clean environment of the operating room is well maintained.

The present invention discloses a surgical device for endoluminally or laparoscopically grasping and excising a target tissue (1) sample from areas in a patient's body comprises a surgical stapling device (4) having a distal staple fastening assembly (5) connected via one or more flexible force transmitters (25) to a proximal handle, wherein the staple fastening assembly (5) comprises a cartridge device (8) containing one or more curved open rows of staples as well as a knife, a curved anvil (7) having a staple forming face adapted to cooperate with the cartridge device (8) to form the ends of the staples expelled from the cartridge device (8). The anvil (7) is movable with respect to the cartridge device (8) along a longitudinal axis (L) of the staple fastening assembly (5) and the staple fastening assembly (5) is curved about the longitudinal axis (L). A lateral end of the anvil (7) and a corresponding lateral end of the cartridge device (8) are connected by a longitudinally extending lateral shaft (9) so that a substantially C shaped frame is formed which defines a window (6) for receiving the target tissue (1) and a lateral opening (10) opposite the lateral shaft (9) configured to provide lateral access to the window (6).

The invention relates to a reloadable device for deploying fasteners including a handle and at least one actuator. The handle is connected to an elongated hollow housing having distal and proximal ends. The device also includes a first cartridge containing at least one fastener releasably connectable to the distal end of hollow housing. The fastener has at least two anchors connected together by a non-resilient flexible suture which does not resist deformation under compressible loads. The device also includes a means for facilitating removal the first cartridge and replacing it with a second cartridge.

The invention discloses a laparoscope retractor. The laparoscope retractor comprises a gripping handle, a connecting rod and a retractor head; the connecting rod is fixedly connected between the gripping handle and the retractor head, the retractor head comprises a fixed rod and a rotary rod, the upper end of the fixed rod is fixedly connected with the connecting rod, and one end of the rotary rodcan relatively turn over around one side of the upper end of the fixed rod; torsion springs are arranged between the fixed rod and the rotary rod, and the rotary rod turns over under the elastic force of the torsion springs to form a push-pull plane with the fixed rod; the gripping handle is provided with a control switch, a through inner cavity is formed in the connecting rod and the gripping handle and internally provided with a pulling wire, one end of the pulling wire is connected with the rotary rod, the other end of the pulling wire is connected with the control switch, and the controlswitch is drives the rotary rod to relatively turn over at the upper end of the fixed rod through the pulling wire. According to the laparoscope retractor, the fixed rod is provided with the rotary rod capable of relatively turning over, the rotary rod can rotate to be parallel to the fixed rod, the retractor conveniently extends into operation space from a minimally invasive surgical incision accordingly, and when the retractor extends into the operation space, the rotary rod turns over on the fixed rod under the elastic force of the torsion springs to form the push-pull plane.

The invention discloses a magnetic anastomat applicable to bilioenteric anastomosis under a peritoneoscope. The magnetic anastomat comprises a magnetic anastomat body. The magnetic anastomat body comprises a magnetic anastomosis head and an anastomat matched with the magnetic anastomosis head for use. The magnetic anastomosis head can be replaced. The anastomat can be repeatedly used. The magnetic anastomosis head comprises a first magnetic ring body and a second magnetic ring body. The anastomat comprises an operation handle, an anastomat rod, a magnetic ring release device, an anastomat rod steering adjusting device and a thread adjusting device. According to the magnetic anastomat applicable to bilioenteric anastomosis under the peritoneoscope, minimally-invasive characteristics of the peritoneoscope technology and various advantages of the magnetic squeezing anastomosis technology are combined, and rapid and safe bilioenteric anastomosis under the peritoneoscope with no foreign matter residues at an anastomotic stoma can be achieved.

The invention relates to a laparoscope canula device, comprising a disk with a first surface and a second surface which are opposite to each other, a plurality of ball-like canulas which are arranged in the disk and enable the first surface and the second surface to be penetrated through, an elastic sealing skirt which is arranged along the outer diameter of the second surface and a plurality of supporting rod structures; and a first end of the supporting rod structure is articulated with the second surface, and a second end of the supporting rod structure is connected with the lower hem of the elastic sealing skirt. The laparoscope canula device is used for medical-treatment operations.

The invention discloses peritoneoscope minimally invasive surgery electric coagulation forceps, belongs to the field of medical apparatus and instruments, and aims at providing the electric coagulation forceps which can prevent a forceps head from damaging tissue. The forceps comprise a lance handle, a forceps tube, a pull rod and the forceps head, wherein the lance handle is used for conducting operation by hands of surgery personnel, and a trigger (101) is arranged on the lance handle (1); the forceps tube is connected with the lance handle (1) and the forceps head (3); the pull rod (5) is located in the forceps tube, the power of the lance handle is transmitted to the forceps head (3) to control the open and close of the forceps head, the forceps head is connected with the forceps tube and linkage with the pull rod (5), and the forceps head is connected with wires.

A surgical stapling instrument (1) for laparoscopic manipulation of tissue in a patients body comprises a support shaft (4), a handle (2) connected to a proximal end (3) of the support shaft (4), a staple fastening assembly (5) connected to a distal end (6) of the support shaft (4) and having a curved cartridge (10) and a curved anvil (11) adapted to cooperate with the cartridge (10) for clamping the tissue and forming the ends of staples exiting from the cartridge (10). The support shaft (4) comprises a curved shaft segment (7) formed between a proximal shaft segment (8) and a distal shaft segment (9) so that a longitudinal axis (D-D) of the distal shaft segment (9) and staple fastening assembly (5) is inclined with respect to a longitudinal axis (P-P) of the proximal shaft segment (8).

The invention relates to a 3D thoracoperitoneoscope system based on a master-slave integrated intelligent thoracoperitoneoscope supporting robot. The 3D thoracoperitoneoscope system comprises the thoracoperitoneoscope supporting robot, a 3D thoracoperitoneoscope, an in-vitro image processor and a naked eye 3D displayer. The 3D thoracoperitoneoscope is clamped on the intelligent thoracoperitoneoscope supporting robot and connected with the in-vitro image processor through a signal transmission line, and the in-vitro image processor 3 is connected to the naked eye 3D displayer through a video output line. The pose of the 3D thoracoperitoneoscope can be adjusted through the intelligent thoracoperitoneoscope supporting robot, signals acquired by the 3D thoracoperitoneoscope are transmitted tothe in-vitro image processor, the signals are processed and then continuously transmitted to the naked-eye 3D displayer through the video output line, and naked-eye 3D vision is provided for an intraoperative user. A master manipulator and a slave manipulator are integrated in the same mechanical configuration, so that the size and the weight of the whole system are reduced, the operation complexity of a connecting line and a control system is reduced, and the whole structure is extremely convenient to clean, disinfect and disassemble, easy to replace and low in maintenance cost.

ClotFoam is a sealant and hemostatic agent for use in cases of non-compressible hemorrhage for moderate to severe bleeding. It can be applied in the operating room through laparoscopic ports, or directly over lacerated tissue in laparotomy procedures or outside the operating room through a mixing needle and / or a spray injection method following intracavitary severe trauma or surgery. Its crosslinking technology generates an adhesive scaffold that carries a fibrin sealant required for hemostasis. Clotfoam produces a foam that spreads throughout a body cavity reaching the lacerated tissue to seal tissue and promote the coagulation cascade. The composition is biocompatible and non-inflammatory.The invention uses fibrin monomer polymerized by a change of pH as active sealing component. The viscoelastic properties of the foam as well as the rapid formation of a fibrin clot ensure that the sealant remains at the site of application without being washed away by blood.

A workspace device including (a) a body having a wall defining an internal volume, collapsible to fit through a laparoscopic passageway in an abdominal wall to an abdominal cavity and expand therein; (b) a first opening defined in said body; (c) a tool channel contiguous with said first opening and extending from said body and configured to remain, at least in part, outside of abdominal wall and sized to receive a laparoscopic tool therein therein; and (d) the body defining an orifice configured to lie in said abdominal cavity when said body is inserted therein, said orifice sized to receive tissue with a minimal cross-sectional area that is twice a minimal cross-sectional area of said first opening, thereby defining a workspace volume to process said tissue in said cavity while said body is not collapsed, using a tool inserted through said first opening.

The invention provides a pneumoperitoneum-free suspension platform. The suspension platform comprises a supporting rod and a suspension part which are arranged in a body cavity; a suspension device outside the body cavity extends into the body cavity and is connected with the suspension part to provide supporting force, the body cavity can be lifted upwards, and an operation space is formed. The suspension part is further connected with the supporting rod so as to further expand the operation space. According to the suspension platform, the advantages of a laparoscope and open operations can be achieved, and harm caused by carbon dioxide pneumoperitoneum can be avoided so that patients who have minimally invasive surgery indications but cannot resist general anesthesia and pneumoperitoneumrelated complications can also accept minimally invasive treatment, and indications of minimally invasive surgery are expanded.

The present invention relates to combined surface reconstruction and registration for laparoscopic surgery. A computer-implemented method of performing combined surface reconstruction and registration of stereoscopic laparoscopic images includes: a computer system generating an intraoperative three-dimensional model of an anatomical region of interest, and receiving a plurality of stereoscopic intraoperative images of the anatomical region of interest from a laparoscope. Looking glass image. The computer system uses the stereoscopic endoscopic image to perform a first stereoscopic reconstruction process to generate a first surface image corresponding to the anatomical region of interest, and uses a rigid registration process to align the first surface image with the surface of the intraoperative three-dimensional model to align. The computer system then performs a second volumetric reconstruction process using the first surface image and prior knowledge from the preoperative 3D model to generate a second surface image corresponding to the anatomical region of interest, and uses a non-rigid registration process to Align the second surface image with the surface of the in-operative 3D model.

The embodiment of the invention provides a peritoneoscope. The peritoneoscope comprises a monitor, a trocar, a grasping part, an anchoring part, illumination equipment and a camera shooting module; the monitor is used for displaying an image collected by the camera shooting module, and the trocar is placed in an opening of the abdominal cavity wall; the grasping part is placed outside the abdominal cavity, and the anchoring part, the illumination equipment and the camera shooting module are all arranged in the abdominal cavity; the anchoring part is fixed to the abdominal cavity wall through suction force between the anchoring part and the grasping part; and the camera shooting module is connected with the anchoring part through the illumination equipment, and the anchoring part, the illumination equipment and the camera shooting module enter the abdominal cavity through the trocar. By applying the peritoneoscope provided by the embodiment of the invention, an opening does not need tobe additionally formed in the abdominal cavity wall, thus the number of the openings of the abdominal cavity wall can be decreased, and tissue damage of the abdominal cavity wall is reduced.

A laparoscopic device (10) comprising a handle assembly (30) by which the user may hold the laparoscopic device (30); and a tool gripping assembly (60) which holds a tool member (20) is disclosed. The tool gripping assembly (60) comprises a longitudinally extending rod (70) having a longitudinal axis A, a distal end (71) and a proximal end (72) The proximal end (72) is configured to be attached to the handle assembly (30), said distal end (71) is provided with a holding member (73) capable of holding a tool member (20). The tool gripping assembly (60) further comprises a first sleeve (80) partially surrounding and being longitudinally and independently displaceable parallel to the longitudinal axis A along an outer surface of said longitudinally extending rod (70), and a second sleeve (90) partially surrounding and being longitudinally and independently displaceable parallel to the longitudinal axis A along an outer surface of said first sleeve (80). The first and second sleeves (80, 90) are longitudinally displaceable in relation to each other and said longitudinally extending rod (70), and are configured to clamp said tool member (20) to said holding member (73) in a variable angle α in relation to said longitudinal axis A, wherein said variable angle α depends on the relative positions of the first and second sleeves (80, 90) to the longitudinally extending rod (70).