35 results about "Trocar device" patented technology

Embodiments of the present invention are directed to apparati and associated methods for an easy on-off device to support and provide direct therapeutic cooling relief to the affected genitalia of persons having post-operative pain and swelling.

Embodiments of the present invention are directed to apparati and associated methods for an easy on-off device to support and change absorption pads for patients suffering from incontinence.

Flow switching device for catheterization with a three way catheter comprising: - a housing (7) having four opening (11, 12, 13, 14); - a first, second and third distal hydraulic conduit (1, 2, 3), originating at the first, second and third opening (11, 12, 13), respectively; - switching means 20 engaging with the housing from obtaining a first operative configuration, wherein the first and thirdopening (11,13) are in communication; a second operative configuration, wherein the second and fourth opening (12, 14) are in communication; a third operative configuration, wherein the first and second opening (11, 12) are in communication; a fourth operative configuration wherein the second and third opening (12,13) are in communication; and - hydraulic bifurcation (17) comprising: a respectiveproximal hydraulic branch (6) originating from said fourth opening (14), a fourth and fifth distal hydraulic conduit (4, 5) originating distally from said proximal hydraulic branch and which are fluiddynamically communicating with respect to each other.

A cannula comprising: a body portion having a first end and a second end; a sleeve connected to the second end of the body portion; a channel extending from the first end of the body portion to an end of the sleeve facing away from the body portion, for receiving instruments; and a seal mounted in the body portion and having a resilient seal having a hollow cylindrical wall dividing the channel into a first segment and a second segment, the first segment extending from the seal Extending to a first end of the main body portion, a second section extends from the seal to an end of the sleeve facing away from the main body portion, the elastic seal closes and isolates the first and second sections from each other when the instrument is properly inserted into the channel, wherein the sealing The member includes a shank secured in the body portion and gripping a portion of the hollow cylindrical wall of the resilient seal such that the resilient seal is secured in the shank.

In a slide switch apparatus of the present invention, a click spring movable along a side surface portion of a housing includes an engagement portion that is engaged with a switch lever and can be switched in accordance with the movement along the side surface portion of the housing, a protrusion that generates a click feeling when moving along the side surface portion of the housing, a positioning rib, and a plate spring portion in which the engagement portion, the protrusion, and the positioning rib are placed and which can be deformed elastically. The positioning rib is placed between the engagement portion and the protrusion in the movement direction of the click spring. Because of this, a slide switch apparatus whose housing can be miniaturized is obtained.

The invention discloses an auxiliary incision-free anus cannula device, relates to a peritoneoscope surgical operation auxiliary instrument and provides an auxiliary incision-free anus cannula device which has the advantages that no scar is left on the abdomen, the postoperative pain is reduced to the greatest extent, the length of stay is shortened, the expense is reduced and the like. The auxiliary incision-free anus cannula device is provided with an outer cannula, a guide tube, a rear cover and an apparatus hole cover, wherein external threads are formed at the tail end of the outer cannula; the outer cannula sleeves the guide tube; internal threads which are formed at the rear cover are in threaded connection with the external threads at the tail end of the outer cannula; a conical part is arranged at the front end of the guide tube; a grip handle is arranged at the rear end of the guide tube; an apparatus hole is formed in the tail of the rear cover; internal threads at the apparatus hole cover are in threaded connection with external threads at the tail of the rear cover. A peritoneoscope lower left colon and rectum resection operation is completed without an abdomen wall auxiliary incision, the minimally invasive aim is achieved, an abdomen wound is more attractive, the occurrence of postoperative incisional hernia, incision infection, dehiscence, incision tumour abdomen wall plantation and the like is avoided, and the intestinal canal adhesion probability is reduced. The auxiliary incision-free anus cannula device has the advantages that tumour-free operation is realized, the operation is simple and convenient, and safety and reliability are realized.

The invention provides an improved ultrasonic surgical operation system. The improved ultrasonic surgical operation system is characterized in that a water-soluble coating for promoting the healing of a wound or the like is arranged on the surface of an end part executor of an ultrasonic knife; a switch device on a handheld handle is improved. In addition, the invention also relates to the manufacturing, the application and the like of the ultrasonic knife, and the manufacturing of intermediate agents, including a coating liquid for promoting the healing of the wound.