47 results about "Surgical specimen" patented technology

The present invention provides a surgical specimen retrieval device that allows one-handed use by incorporating a geared spool to amplify take up of a flexible line to close the mouth of the specimen bag after the surgical specimen is deposited in the bag. The retrieval device includes a spool with an attached gear that is rotated by movement of a deployment rod with serrated teeth. A flexible line has a proximal end attached to the spool and the distal end attached to the mouth of the bag. When the deployment reel is moved from an extended position to an inserted position, the spool rotates and pays out flexible line to allow the mouth of the deployed bag to open. Once a specimen is taken and deposited in the bag, the deployment rod is moved from the inserted position toward the extended position. This rod movement rotates the spool to take up the line and close the mouth of the bag. When the rod is moved to a fully retracted position, the teeth on the rod disengage from the gear, which allows the spool to rotate freely. The device is then removed from the trocar and the line is used to pull the bagged specimen from the body cavity.

The invention relates to a disposable specimen fetcher for cystoscope, ureteroscope, and nephroscope. The specimen fetcher is composed of an inner sleeve, a push-pull rod, a handle, a metal ring and a filtering bag; the inner sleeve The length of the push-pull rod is longer than that of the mirror sheath, and the length of the push-pull rod is longer than that of the inner casing. One end of the push-pull rod is provided with a handle, and the other end is provided with a metal ring. The metal ring is covered with a filter bag, and the filter bag can only filter The metal ring has elasticity, and the push-pull rod, metal ring and filter extraction bag can be put into the inner sleeve, and when the metal ring is pushed out from the inner sleeve, it will expand and filter the material The mouth of the bag is stretched open. Its advantages are as follows: compared with the prior art, the structural design is reasonable, and the surgical specimen can be effectively removed from the bladder, ureter or renal pelvis and calices without tearing off the specimen, which is more convenient and quick, and the specimen is completely removed. There is no residue, which improves the efficiency of the operation and the treatment effect.

The invention discloses an operative specimen obtaining bag. A specimen obtaining bag body is fixed to one end of the operative specimen obtaining bag and the other end of the operative specimen obtaining bag body penetrates through the wrinkled edge of the bag opening of the specimen obtaining bag body to tighten the bag opening in the mode that the two ends of a line are knotted and wound. A fixed line at the far end penetrates through an operation rod inner pipe to reach an operation handle, the resistance generated when the specimen obtaining bag body is contained in the operation rod inner pipe is resisted by the winding friction of a line clamping groove designed in the operation handle by means of the fixed line, and the aim of fixing the specimen obtaining bag body is achieved. The specimen obtaining bag body can be released by loosening the fixed line from the line clamping groove, and accordingly the operative specimen obtaining bag can be fixed and released through convenient operation on the operation handle. The invention further provides a use method of the operative specimen obtaining bag.

The invention relates to the medical field, in particular to a method for storing and recording surgical organs and lymph node specimens and a classification collection box. A surgical organ and lymph node specimen classification collection box includes a staging box I and a staging box II; the upper surface of the staging box I is divided into a primary tumor storage area and a distant metastasis storage area, and the primary tumor storage area is provided with an organ Specimen storage tank, the upper surface of the staging box II is provided with anatomical atlas, and the upper surface of the staging box II is also provided with a plurality of lymph node specimen storage tanks; a method for storing and recording surgical organs and lymph node specimens uses surgical organs and Lymph node specimen classification collection box; put the removed distant metastatic tissue into the distant metastatic storage tank, and then paste the corresponding label near the distant metastatic storage tank, and mark the distant metastatic tissue on the label Specific sampling locations in corresponding sampling organs. The invention can comprehensively and detailedly record the related information of the surgical specimen.

The invention is a kit for detecting the expression of paraffin-embedded surgical specimens of patients with esophageal cancer in combination with 5-lipoxygenase metabolic pathway protein antibodies, and then predicting the prognosis of patients. The kit includes antibodies ‑5‑LO, FLAP, and LTA4H antibodies for 3 target proteins, as well as goat serum, 0.01M citrate repair solution, 3% H2O2, Polymer enhancer, Polymer polymer, DAB chromogenic reagent, PBS solution. However, the kit of 5-lipoxygenase metabolic pathway protein used in the present invention to jointly predict the patient's prognosis has a higher predictive effect than single index detection, second only to the predictive ability of TNM staging, and the immune tissue based on the present invention The chemical hypersensitivity two-step method is a mature and reliable method that can be widely used in primary hospitals.

The invention relates to a cavity mirror object extractor with controllable pocket size and opening and closing, comprising a sleeve rod, an operating rod, an elastic ring, a specimen bag and a pocket control mechanism. The specimen bag is compressed in the sleeve rod cavity. After the head end of the sleeve rod enters the operation space, push the operating rod to release the specimen bag from the sleeve rod. The size of the opening of the specimen bag can be adjusted under the action of the control mechanism. Put the surgically resected specimen into the specimen bag, move the operating rod back to compress the elastic ring and enter the sleeve rod cavity, and the opening of the specimen bag is closed under the action of the pocket control mechanism and enters the sleeve rod cavity; when necessary, the opening of the pocket control mechanism Under the action, the mouth of the specimen bag can be opened again and the surgical resection specimen can be loaded again. After the opening of the specimen bag is pulled out of the surgical incision hole, the mouth of the specimen bag can be opened; the operating handle can be taken out through the easy-fold line on the operating rod, and the sleeve rod can be pulled out, and the operating rod of appropriate length is reserved for stretching the specimen bag for easy operation The specimen is taken out. The invention has simple and compact structure, low cost, can adjust the size of the mouth of the specimen bag, and can repeatedly open and close the mouth of the specimen bag, and is convenient to use, safe and reliable.

The invention discloses a specimen collector of minimally invasive surgery. The specimen collector of the minimally invasive surgery is mainly composed of a disc-shaped regulation and control device, a sealed collection bottle and a containing bottle, wherein the disc-shaped regulation and control device is capable of changing an absorption channel, the sealed collection bottle is capable of automatically discharging liquid and is provided with a filtering device, and the containing bottle is used for enabling an absorbed content to be heparinized. According to the specimen collector of the minimally invasive surgery, fresh blood is prevented from being coagulated to form a blood clot due to the fact that the absorbed content is heparinized, and the blood clot is prevented from interfering the quality and quantity of a specimen; damage to the specimen of the filtering device caused by enormous pressure on both sides of the filtering device is prevented due to the fact that the filtering device is not part of the absorption channel, the problem that the specimen blocks the absorption channel is solved at the same time, and negative pressure needed for the normal working of an aspirator is guaranteed; the tail end of the aspirator is opened when the aspirator is in a non-working state, the specimen collection bottle discharges bloody liquid continuously, only specimens such as tumor tissues are reserved in the collection bottle, and then space used for containing all specimens collected in the whole surgery process is enabled to be sufficient; and in other surgery stages when specimen collection is not needed, the absorption channel works normally as other ordinary absorption pipes.

The invention belongs to the field of biotechnology. The present invention provides an immortalized human liver cancer vascular endothelial cell line ECDHCC‑1, the preservation number of which is CCTCC NO: C2015172, which was preserved in China Center for Type Culture Collection on October 15, 2015. The invention also provides the construction method and identification of ECDHCC-1. The cell line obtained by the present invention has been subcultured by monoclonal subculture, and the subculture lasted for 18 months. There are 119 generations in total until the date of storage, and its biological characteristics remain consistent; The cumbersome procedures of "use now and take now" and the lack of resources for human liver cancer surgical specimens provide relevant researchers with a commercially stable tumor-derived vascular endothelial cell line, which is truly time-saving, labor-saving, efficient and convenient.