34 results about "Pneumoperitoneum needle" patented technology

The existing endoscopic surgical instruments mainly comprise a pneumoperitoneum needle, an elastic separating plier, a trocar, a conversion cap, a grabbing nipper, a needle holder, an electro-coagulation hook, an applicator, a scissor, a snare, a linear cutter anastomat, a repairing stapling device, a retractor, sample bags and pull hooks, and the like. Because of the material and structural design factors, the surgical instruments are unitary in function, the instruments are in the needs to be constantly replaced in the use process so that the multiple separation actions of cutting, grabbing, pulling, and the like are completed, the process brings inconvenience for patients and lengthens the operating time. In order to solve the problems that in the prior art the endoscopic surgical instruments are complex in structure, the integrated structure is high in production and use cost, the function is unitary, the tissues are easily damaged, the criteria of human engineering is not met, the surgical operations are affected and the like, the invention provides a medical surgical instrument, the instrument comprises a handle, a rotating fixture, a push pipe and a connecting rod; the handle is a molding structure overall, or after the subsections are formed, the subsections are connected into a whole structure, the whole structure includes a cross arm and a vertical arm.

The invention relates to a spiral puncture outfit with a pneumoperitoneum device with simple and convenient operation and safe use and a use method thereof. The spiral puncture outfit consists of a sleeve sheath with a handle at the tail part and a core bar with a core bar seat at the tail part, wherein the core bar is a hollow tube, the front end of the core bar is provided with a needle hole, an inner cavity of the core bar is sequentially provided with a pneumoperitoneum needle with a resetting device and an air conduit from the front end of the core bar to the tail end of the core bar, the head of the pneumoperitoneum needle extends out of the core bar from the needle hole, and the air conduit is sleeved outside the tail end of the pneumoperitoneum needle; and one end of the resetting device is connected to the air conduit and fixed on the inner wall of the sleeve sheath, and the other end of the resetting device is fixed on the pneumoperitoneum needle. When the sleeve sheath with the handle is combined with the core bar with the core bar seat and the front end of the core bar completely extends out of the sleeve sheath, a vent hole is arranged on the side wall of the core bar located below a rubber one-way valve, and an opening at the upper end of the air conduit and the inner wall of the core bar seat are not neighboring. The invention has the advantages of simple and convenient operation, reduced surgery risks, and the like.

The invention discloses a puncture cannula used for laparoscopic operation and capable of preventing abdominal viscus puncture injury. The puncture cannula comprises a veress needle, a cutting puncture blade, a puncture pipe core, a puncture outer cannula, an integrated holding lug and a pipe core base, the veress needle, the puncture blade, the puncture pipe core and the puncture outer cannula are sequentially arranged from inside to outside, the veress needle comprises a veress puncture needle head, a puncture handle, a gas port valve and a gas port, the gas port valve and the veress puncture needle head are mounted vertically, the gas port and the veress puncture needle head are mounted vertically, a semicircular pipe core head is arranged at the top end of the puncture pipe core, the cutting puncture blade is arranged in the semicircular pipe core head, the other end of the puncture pipe core is connected with the pipe core base through a spring, the integrated holding lug is arranged between the puncture pipe core and the pipe core base, and an outer cannula antiskid thread is arranged on the puncture outer cannula. By the puncture cannula, puncture injury is reduced, protection of viscera of a patient during operation is facilitated, operating safety coefficient is increased, and leakage during operation is reduced.

The invention belongs to the field of medical devices, and in particular relates to a collection and processing device for veress needles for female examination. Aiming at the problem that after current veress needles are used, centralized collection and disinfection are required, but a current collection manner still relies on manual collection, and the operation method is not only inefficient, but also has certain risk factors, the invention proposes the following scheme: the device includes a bottom plate, a fixed seat is fixed on one side of the top of the bottom plate, and a placement groove is arranged in the top of the fixed seat; and the fixed seat is provided with a moving hole, the moving hole communicates with the placement groove, and the inner wall of the moving hole is slidingly connected with a placement plate. According to the device, a rotating motor and a driving motor are started respectively to conveniently clamp the veress needles on a plurality of plastic clamp plates, so that when the veress needles are collected, manual operation can be reduced, the contact between the veress needle and a human body can be effectively reduced, the storage work efficiency isincreased, and risk factors can be greatly reduced.

The present disclosure provides devices and methods for insufflating abdomens of subjects under direct visualization. Such devices and methods, in some implementations, include features for cleaning the devices, and certain implementations of the methods permit procedures wherein it is not necessary to use a typical obturator to place a cannula, resulting in safer procedures.

The invention discloses an airbag indicating and locating pneumoperitoneum needle. The airbag indicating and locating pneumoperitoneum needle comprises an outer needle, an inner core and a needle sheath for fixing the outer needle, an opening is formed in the rear end of the needle sheath, the rear end is provided with an elastic airbag, a rotary valve is arranged between the opening and cavity of the needle sheath, the needle sheath is communicated with the cavity through the rotary valve, the rotary valve comprises a barrel body integrated with the needle sheath and a valve body firmly matched in the barrel body, a rotating handle is arranged at one end of the valve body, the other end extends out of the barrel body to form a joint, the valve body is provided with a first passage and a second passage corresponding to the opening of the needle sheath, wherein one end of the second passage is opened, and the opening at the other end of the joint is communicated with the cavity to form the second passage when the first passage is closed. The airbag indicating and locating pneumoperitoneum needle is improved based on an existing pneumoperitoneum needle, the carbon dioxide feeding mode is changed, and the existing method for detecting whether the pneumoperitoneum needle enters the abdominal cavity is changed. By means of the airbag indicating and locating pneumoperitoneum needle, an operator does not need to prepare an injector for injecting normal saline and only needs to use air. The improved rotary valve is convenient for communicating with carbon dioxide, and the valve is very convenient to switch.

The invention relates to a veress needle, in particular to a safety type veress needle capable of realizing self-locking, and belongs to the technical field of veress needles. The abdominal wall can be punctured by an outer puncture tube, and the abdominal wall can be inflated by an inner inflation tube after puncture, and interlocking of the inner puncture tube and the inner inflation tube can berealized through cooperation of an inner tube locking block and an outer tube locking groove on an elastic connecting piece; when the inner tube locking block is withdrawn from the outer tube lockinggroove, the locked state of the inner inflation tube and the outer puncture tube can be relieved; when the locking is relieved, the abdominal wall can be punctured, and an inner tube elastomer can beused to drive the inner inflation tube to move the abdominal wall is punctured, when a blunt head is located in front of the puncture tip, injury of the puncture tip to organs or tissues in the abdominal cavity can be avoided, and the veress needle is convenient to use, safe and reliable.

The invention discloses an integrated surgical operation pneumoperitoneum needle which comprises an outer tube and an inner core, the outer tube comprises a ventilation cavity, one end of the ventilation cavity is used for air inflow, air inflow is conducted in a conventional mode, the other end of the ventilation cavity is connected with two ventilation channels, and the two air inflow channels are oppositely distributed. A sealing plate is arranged in the ventilation channel and divides the ventilation channel into a left cavity and a right cavity, and the right cavity is communicated with the ventilation cavity.

The invention relates to a medical pneumoperitoneum needle collecting and processing device. The medical pneumoperitoneum needle collecting and processing device comprises a workbench and a square groove which is fixedly connected between two sets of transmission shafts and provided with a downward opening, a fixing device is arranged at the top of the square groove, and a correcting device is arranged in the square groove. According to the medical pneumoperitoneum needle collecting and processing device. through cooperation of concentric-square-shaped frames, round rollers, connecting plates and two-way screws, the two sets of connecting plates can move oppositely or reversely under the threaded driving of the two-way screws and the guiding effect of first T-shaped grooves, and the concentric-square-shaped frames and the round rollers move synchronously along with the connecting plates; and the outer walls of the round rollers can extrude and roll the two symmetrical ends of a to-be-straightened pneumoperitoneum needle head, secondary adjustment is carried out on the to-be-straightened pneumoperitoneum needle head, the straightening precision of the to-be-straightened pneumoperitoneum needle head is improved, meanwhile, the outer wall of the to-be-straightened pneumoperitoneum needle head is buffered, the needle head straightening quality is guaranteed, and the service life of the needle head is prolonged.

The invention relates to the technical field of medical instruments, and discloses an endoscope instrument with a silencing structure. The endoscope instrument comprises a pneumoperitoneum needle body, a silencing piece and a protective shell. A silencing disc is arranged between the fixing blocks; first internal threads are arranged in the two ends of the silencing piece, a fixing ring is arranged outside the silencing piece, a second internal thread is arranged on the inner side of the fixing ring, a first external thread is arranged on the surface of the silencing piece at the position of the fixing ring, a cross rod is installed inside the protective shell, a ball body is arranged on the cross rod in a sleeving mode, and a reset spring is arranged on the cross rod on one side of the ball body in a sleeving mode. The invention discloses an endoscope instrument with a noise elimination structure. By arranging the fixing ring, the ball body and a reset spring, the endoscope instrumenthas the functions of being convenient to disassemble and assemble and preventing gas loss, external flow blocking equipment is not needed, meanwhile, a user can disassemble and assemble the silencingpiece conveniently and clean the interior of the silencing piece, the silencing piece is effectively kept clean, the infection phenomenon of a patient is avoided, and the success rate of an operationis increased.

The pneumoperitoneum needle is located in the field of gastrointestinal surgery and comprises a needle pin and a needle core connected with the needle pin in a matched mode, the needle core comprisesan air pipe, the air pipe is connected with an air valve assembly, the tail end of the air pipe can be inserted into an abdominal cavity, an air outlet is formed in the tail end of the air pipe, and an air control unit is arranged in the air pipe. The air control unit comprises a side plate, a narrow channel is formed in the middle of the side plate, the air control unit further comprises an air stopping block capable of being matched with the narrow channel, the air stopping block is of a cylinder structure, a cavity is formed in the air stopping block, a plurality of air channels extending from the cavity to the outside are formed in the side face of the air stopping block, and an air inlet is formed in one side of the air stopping block. The air inlet is communicated with a cavity in the air blocking block and faces the air valve assembly.