53results about "Surgical needles" patented technology

A method and device to modify tissue in a manner such that it will take on a permanent new shape. Subdermal tissue is heated to approx 60° C. at which point it becomes pliable and moldable and will take on a permanent new shape if allowed to cool and heal in a new position.

A catheter system and method is provided for overcoming various problems commonly associated with the application of regional anesthesia. Disclosed herein are several embodiments for providing continuous regional anesthesia. In general, the catheter system includes an epidural catheter, an epidural needle, tubing for optional fluid administration, an attached conductive wire (for connection to a nerve stimulator) and a catheter introducer, which is integrated within the proximal hub of the insulated needle. The embodiments may differ in several ways.

Apparatuses are provided to hold surgical tools during surgery. Such apparatuses may be fixed to a patient's body and include a base member, tool engagement member and one or more intermediary members. Each member may be attached to another by a knob and mating engagement section. Fixation between members may be provided individually for each attachment or may be provided so as to fix more than one attachment at a time.

A method for estimating the force on a distal end of a working catheter includes positioning a portion of a robotically controlled guide catheter and working catheter into a body lumen wherein a distal end of the working catheter projects distally from a distal end of the guide catheter. The working catheter and guide catheter are dithered with respect to one another using a dithering device operatively connected to a proximal portion of the working catheter. The coupling may occur directly to the working catheter or via a seal such as a Touhy seal. The force experienced by the working catheter at a proximal region is measured through at least one dithering cycle. The force at the distal end of the working catheter is then estimated based on the measured force at the proximal region. The estimated force may be displayed to a physician on, for example, a monitor.

An electrosurgical system includes an electrosurgical power generating source, an energy applicator operably associated with the electrosurgical power generating source, a processor unit, and a data acquisition module configured to receive a reflected signal. The processor unit is disposed in operative communication with the data acquisition module and adapted to determine a tissue desiccation rate around at least a portion of the energy applicator based on one or more signals received from the data acquisition module.

An access assembly for use during a medical procedure including accessing a selected bone structure or target tissue, includes a cannula and stylet with an alignment guide removably attached to the cannula. The alignment guide shows the relative alignment between the access assembly and the viewing axis of an imaging system, thereby making placement of the access assembly more accurate. Once a desired alignment is achieved, the access assembly may then be advanced further towards the target tissue until a desired placement is achieved.

There is provided an apparatus (10) and method for maintaining manuary access to a sufflated body cavity of a patient through a fenestration formed in the patient's body tissue during a minimally invasive surgical procedure. The apparatus (10) generally comprises a seal section (100) and a sheath section (200) coupled thereto. The seal section (100) includes an endless loop portion (110) that defines an opening (120). The sheath section (200) includes a mouth portion (210), a glove portion (230), and a pliable intermediate portion (220) extending therebetween. The intermediate portion (220) maintains in reconfigurable manner a substantially gas impermeable barrier between the mouth and glove portions (210, 230) when the glove portion (230) is passed through the opening (120) into the body cavity responsive to manuary actuation. The passage of the glove portion (230) through the opening (120) biases at least a part of the intermediate portion (220) to engage the patient's body tissue immediately bounding the fenestration, whereby the sufflation of the body cavity is substantially preserved during the minimally invasive surgical procedure.

A suturing device provided. The suturing device may include at least a firing aperture, a drive mechanism and an autoloading mechanism. The firing aperture may include at least one needle rotatably disposed therein configured to engage a suture for deployment. The drive mechanism may be operatively coupled to the needle and configured to advance the needle from a retracted position to an extended position during engagement, and retract the needle from the extended position to the retracted position during disengagement. The autoloading mechanism may be operatively coupled to the drive mechanism and configured to slidably retrieve and position a suture to be deployed over the firing aperture during disengagement of the drive mechanism.

Improved assemblies, systems, and methods provide safeguarding against tissue injury during surgical procedures and/or identify nerve damage occurring prior to surgery and/or verify range of motion or attributes of muscle contraction during reconstructive surgery. Embodiments of methods according to the present invention provide the ability to intra-operatively simulate post-operative physiologic function of a body part. Such methods may be used during various surgical procedures, including nerve transfer procedures. Included are one or more steps of confirming paralysis or a weakened condition of a body part, confirming responsivity or operability of transfer tissue to supplement the functionality of the paralyzed or weakened part, and intra-operatively simulating post-operative functionality of the transfer tissue to enhance and/or predict the outcome of the surgical procedure.

An apparatus and method for harvesting bone and bone marrow are provided. The apparatus may include a driver operable to be releasably engaged with an intraosseous device. The intraosseous device may include a cannula having a first end operable to penetrate bone and bone marrow and to allow retrieval of portions of bone and/or bone marrow. The cannula may have a second end operable to be releasably engaged with bone marrow sampling equipment. The apparatus may include a removable trocar. The removable trocar may have an inner channel operable to convey portions of bone and/or bone marrow. The removable trocar may have an inner channel and a side port communicating with the inner channel. The removable trocar may have a first end operable to penetrate bone and bone marrow.

The invention belongs to the technical field of medical equipment and discloses a 3D printed cerebral hemorrhage puncture drainage path positioning device and a preparation method thereof. The positioning device comprises a fixed seat provided with an attachment part attached to the brain outline of a patient, a guide support is arranged on the fixed seat, and a puncture channel pointing to a hematoma center of the brain of the patient is formed in the guide support. The problem of inaccurate puncture positioning on the patient is solved, the puncture positioning accuracy is improved, the lifesafety of the patient is guaranteed, the operation is convenient, and the success rate of puncture surgery is increased.

A microwave device for the ablation of biological tissues including a coaxial antenna, including an internal conductor, surrounded by a layer of dielectric material, an external conductor coaxial to the dielectric metal tip electrically connected to the internal conductor, and a quarter wave impedance transformer including a sleeve made of dielectric material having a proximal end covered with a layer of metal, the metal extending over nearly a quarter wavelength of electromagnetic field in the dielectric at the operating frequency of the device or of odd multiples of the quarter wavelength, the layer of metal material being connected electrically to the external conductor.

Systems and methods are disclosed for accessing and forming an operative corridor to targeted spinal sites using optical imaging to detect and avoid vascular tissue. The optical imaging may include tissue oximetry to measure the oxygen saturation of tissue proximate to surgical access instruments utilized during surgery. Sensors may be situated near the distal end of the surgical access instruments and monitoring for vessel proximity may be performed during advancement of the instrument.

The invention relates to a multifunctional combined type uterine cavity tissue aspirator. The multifunctional combined type uterine cavity tissue aspirator comprises a handle (1), a multifunctional rod-like component (A), a minitype cutter (B) and a Clear hand pump (8) and is characterized in that the handle (1) is a four-way rod-like combined component, a connector (2) connected with the multifunctional rod-like component (A) is arranged at one longitudinal end of the handle (1), the other end port of the handle (1) is connected with a two-way connector (5) and is connected with a neck-down connector (4) capable of being connected with the Clear hand pump (7) through the other end of the two-way connector (5), and in this way, a multifunctional combined handle component is formed; the handle bodies on the two sides of the handle (1) are each provided with an infusion external port (3) and a wire introduction channel (6) allowing the minitype cutter (B) and an endoscope to be introduced, the connector (2) is a step-shaped connector which necks down gradually towards an inner cavity of the four-way handle, and an observation window (12) is arranged on the two-way connector (5).

The invention discloses an irregular foam dressing special for a tracheal incision sleeve. The irregular foam dressing special for the tracheal incision sleeve is characterized in that the irregular foam dressing is of an irregular structure conforming to structural features of the tracheal incision sleeve, and the irregular structure is as follows: the irregular foam dressing comprises a sheet dressing body, wherein a cannula hole, a plurality of first incision lines radiating from the cannula hole outwards and a wavy-line-shaped second incision line outwards extending from the cannula hole to the edge of the dressing body are arranged on the dressing body. The irregular foam dressing is simple and reasonable in structural design, simple in operation and good in airtightness, is of the irregular structure conforming to structural features of the tracheal incision sleeve and does not need to be cut, the time and energy of medical and nursing workers are saved, the outside environment is effectively isolated, and the infection risk is reduced.

A device and system are described that are capable of isolating at least one targeted tissue and forming an anastomosis between two internal body structures though a completely endoscopic procedure. Further, the device and system described generally comprise two tubular members that are capable of moving in a telescopic fashion relative to one another. Additionally, a method is described for using the device and/or system to bypass the duodenum from digestion.

A surgery assisting apparatus comprises: a distance measuring unit configured to measure a distance to an object in a body cavity; a hollow tube including a cylindrical portion to be partially inserted into the body cavity and a portion that performs distance measurement by the distance measuring unit, the hollow tube enabling distance measurement in a given position on a circumference at a predetermined distance from a major axis of the cylindrical portion; and a controller configured to control the position on the circumference around the major axis where the distance measuring unit performs distance measurement, such that approach of a medical instrument inserted into the body cavity to the object is sensed, wherein the controller controls the position on the circumference around the major axis in accordance with an advancing direction of a distal end of the medical instrument.

The invention involves an instrument with a set of grasping jaws such as found on surgical needle drivers, hemostats, grasping forceps, and clamps. In addition to the grasping jaws for holding and grasping material, it includes a set of cutting shears or scissors that operate in the same main working jaws. It functions as a standard needle holder with grasping and locking functions with the use of two main actuating limbs. When desired, the instrument is easily converted by a simple action of the operator from a grasping device into a cutting device and then can be used in a familiar fashion, such as employed for scissors, to repeatedly cut sutures or material. Again, with a simple action by the operator, the instrument can be converted back to a grasping device. Both grasping and cutting functions take place in the same location on the device.

The subject invention is a method and apparatus for collecting medical devices. The apparatus according to one embodiment is a collection tray having a flexible base having at least one aperture and at least one flexible wall. The method according to one embodiment includes removing a collection container from a sterilized package at a point of use and placing a used medical device in the container.

The invention relates to the technical field of medical instruments, and particularly provides a smoke exhaust device and a puncture outfit, wherein the smoke exhaust device is applied to the punctureoutfit, and comprises a shell and a filter assembly, wherein the shell is provided with an air inlet end and an air outlet end positioned at the two opposite sides; the air inlet end is provided witha first connecting part; the first connecting part is suitable for being connected with the puncture outfit; the filter assembly is arranged in the cavity of the shell, and positioned on the air flowchannel between the air inlet end and the air outlet end; in the direction from the air inlet end to the air outlet end, the filter assembly sequentially comprises a water mist filtering layer, an adsorption filtering layer and a gas filtering layer; and the gas flow loss of the filter assembly is less than 20%. The smoke exhaust device in the invention filters operation smoke; and the smoke is prevented from damaging human health.

A plural-chamber container capable of indicating whether or not a peelable partition wall is peeled and hence a medical professional can quickly become aware of a state of communication among respective chambers when using the plural-chamber container, wherein the plural-chamber container formed of a synthetic resin film and a plurality of chambers compartmentalized by a peelable partition wall formed by thermally welding part of the opposed films, characterized in that a means capable of indicating the peeling of the partition wall is provided on a surface of the plural-channel container.

The invention discloses a visual puncture system under frameless navigation. The visual puncture system comprises a handle and a puncture needle, wherein a drainage channel and a visual channel whichare independent of each other are formed in the puncture needle along the axial direction; a visual optical fiber is sleeved in the visual channel; a drainage tube is sleeved in the drainage channel;the outer wall of the visual channel is of a transparent structure; the visual end of the visual optical fiber faces the bottom or the transparent outer wall of the visual channel; a navigation structure is arranged on the upper part of the handle, and comprises a first navigation rod, a second navigation rod and a third navigation rod; the roots of the first navigation rod, the second navigationrod and the third navigation rod are crossed together; a fixed seat is arranged on the crossed point, and is fixed at the tail end of the handle; and identification heads are arranged on the end partsof the three navigation rods. According to the visual puncture system, the whole puncture operation is visual, blood vessels can be effectively avoided, the success rate of the puncture operation isgreatly improved, and the visual puncture system is a great innovation on puncture equipment.

The invention discloses a surgical suture needle storing and counting device which comprises a box and a box cover.The box and the box cover are buckled through clamp bosses and clamp grooves which are arranged at the edge and assembled; the center of the box is fixedly provided with a positioning column, and the box is evenly provided with a plurality of strip-shaped grooves which take the positioning column as a circle center and are used for containing suture needles; the center of the box cover is provided with a barrel assembled with the positioning column, the box cover is provided with a putting opening used for allowing the suture needles to penetrate and a controller used for detecting whether the suture needles are put into the box or not, counting the suture needles and displaying a counting result, and the putting opening is formed by corresponding the end, far away from the center, of one groove.According to the surgical suture needle storing and counting device, the structure is simple, the suture needles are convenient to take and put, the using quantity and storing condition of the suture needles are visually displayed through a display screen without needing to specially count, therefore, the surgical time is greatly saved, and the omission phenomenon can be prevented from occurring both in use of surgical suturing and in daily storing.

The invention discloses a clinical measurement sampling device for the neurology department, and relates to medical apparatus and instruments. The problem that a traditional sampling device cannot achieve precise feeding is mainly solved. The clinical measurement sampling device comprises a mounting frame, a driving frame, a puncture needle and a sampling bottle; a push rod is arranged in the mounting frame, and a scale line is arranged on a frame body, corresponding to one end of the push rod, of the mounting frame; the driving frame is fixed to the open side of the mounting frame; the puncture needle is fixed to the push rod, a through hole allowing the push rod to extend out is formed in the mounting frame, and the puncture needle is connected with the sampling bottle through a flow-guiding pipe; and the sampling bottle is arranged in a fixing frame fixed to the mounting frame, and a taking opening used for taking the sampling bottle is formed in the fixing frame. The clinical measurement sampling device adopts a lead screw for transmission, thus the puncture needle moves more gently, the puncture needle is matched with the scale line, thus medical personnel can precisely control the feeding amount of the puncture needle, a patient is prevented from being injured, the clinical measurement sampling device can be operated only by controlling a motor, and the simple and rapid effects are achieved.

The invention relates to the field of medical apparatus and instruments, and in particular relates to a fixing device for surgical suture needles. The fixing device for the surgical suture needles comprises a rotation block, wherein a clamping mechanism for clamping to an operating table and a rotating mechanism for enabling the rotation block to overturn are arranged on the rotation block, a fluid cavity for containing a disinfectant is arranged in the rotation block, a plurality of grooves are formed in each of the top and the bottom of the rotation block, a sleeve is connected to the innerwall of each groove in a sliding manner, a weight is arranged at one end, far away from each groove, of the corresponding sleeve, separating-preventing mechanisms are arranged on the outer walls of the sleeves and the inner walls of the grooves, a support post positioned in each sleeve is arranged in the corresponding groove, a fixing block used for fixing each surgical suture needle is arranged on each support post, aseptic cotton is arranged on the outer wall of each fixing block, through pipes communicate the grooves and the fluid cavity, guide wires are connected between the through pipesand the aseptic cotton, and a clamping mechanism used for clamping the sleeves is arranged on the rotation block. With the adoption of the technical scheme, the fixing device has the advantage that the surgical suture needles can be conveniently collected and treated.