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34 results about "Pneumoperitoneum needle" patented technology

The Surgineedle# pneumoperitoneum needle has a spring-loaded, blunt stylet mechanism similar in function to a Veress needle. It is used to establish pneumoperitoneum prior to abdominal endoscopy. The 14 gauge stainless steel needle is attached at its proximal end to a plastic handle.

Medical surgical instrument

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.
Owner:CHONGQING CHANGLINMEDREA MEDICAL SCI & TECH LTD

Spiral puncture outfit with pneumoperitoneum device and use method thereof

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.
Owner:SURGAID MEDICAL XIAMEN CO LTD

Veress needle with illuminated guidance and suturing capability

A laparoscopic instrument for forming an incision in a body cavity, insufflating the body cavity with gas, and suturing the incision at the completion of the surgery includes a set of jaws at the distal end of the Veress needle or cannula. The jaws are pivoted to one another for motion between an open position or a closed position in which they may be used to grasp a suture in the body cavity for removal from the cavity for knotting. A push mechanism at the proximal end of the instrument moves the jaws between their open and closed position on successive actuations of a pushbutton and retains them in that state until the next push. An illumination source is provided for the distal end of the instrument to provide illumination through the walls of the body cavity so that the surgeon can determine the degree of penetration of the instrument into the body cavity and can identify any major arteries which should be avoided in the formation of other laparoscopic openings.
Owner:MOHAJER REZA S

Modified veress needle for use in peritoneal dialysis catheter insertion

A Veress needle assembly for a peritoneal dialysis catheter guide wire has (i) a hollow needle with a pointed end, (ii) an inner tube received within the hollow needle so as to be slidable relative to the hollow needle in the longitudinal direction between a first position in which the first end of the inner tube protrudes longitudinally beyond the pointed end of the hollow needle and a second position in which the first end of the inner tube is retracted so that the pointed end is unobstructed by the inner tube, and (iii) a biasing mechanism to bias the inner tube towards the first position. The inner tube includes a fluid passage having an outlet opening at the first end of the inner tube that is oriented to allow the peritoneal dialysis catheter guide wire to readily the outlet opening when inserted through the fluid passage of the inner tube.
Owner:UNIVERSITY OF MANITOBA

Puncture cannula used for laparoscopic operation and capable of preventing abdominal viscus puncture injury

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.
Owner:NINGBO YIQING MEDICAL TECH DEV

SeLf-Locking safety pneumoperitoneum needLe

The invention reLates to a seLf-Locking safety pneumoperitoneum needLe. The needLe comprises a puncture outer tube capabLe of performing abdominaL waLL puncture, an infLatabLe inner tube capabLe of fiLLing the punctured abdominaL cavity with carbon dioxide gas and a connection Locking mechanism capabLe of Locking the infLatabLe inner tube in the puncture outer tube; when the state of Locking the infLatabLe inner tube and the puncture outer tube by the connection Locking mechanism is removed, the puncture outer tube can be utiLized for carrying out required puncture operation, and when the puncture outer tube punctures through the abdominaL waLL, the infLatabLe inner tube can be instantLy Locked in the puncture outer tube through the connection Locking mechanism; after the infLatabLe innertube is Locked in the puncture outer tube, an inner tube air outLet hoLe of the head of the infLatabLe inner tube is Located in the outer side of the puncture tip end of the puncture outer tube. By means of the seLf-Locking safety pneumoperitoneum needLe, the infLatabLe inner tube and the puncture outer tube can be effectiveLy Locked after puncture, the damage to tissue and organs in the abdominaLcavity after successfuL puncture is avoided, and the needLe is convenient to use, safe and reLiabLe.
Owner:WUXI SHENGNUOYA TECH CO LTD

Collection and processing device for veress needles for female examination

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.
Owner:董征

Veress-type needles with illuminated guidance and safety features

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.
Owner:THE BRIGHAM & WOMEN S HOSPITAL INC

Disposable veress needle manufacturing method and veress needle manufactured by same

The invention discloses a disposable veress needle manufacturing method which comprises the following steps: 1) arranging a grip; 2) arranging a stylet; 3) arranging a puncture needle; 4) arranging a protector; and 5) arranging an acousto-optic warning device. The invention also discloses a veress needle manufactured by the disposable veress needle manufacturing method. The method disclosed by the invention is simple and easy to implement, and is low in cost. The veress needle disclosed by the invention has ingenious structural design: when the key is not pressed down, the protector starts the protection function to effectively protect the point of the puncture needle by utilizing a protection part on the stylet; in the puncture process, the protector stops protection, the acousto-optic warning device starts induction to correspondingly drive a buzzer and an LED (light-emitting diode) lamp, thereby warning the operator to concentrate; and after the pneumoperitoneum is punctured, the protector recovers the protection function to prevent the needle from accidentally injuring the internal organs, and meanwhile, the acousto-optic warning device is automatically shut down, thereby greatly enhancing the safety and effectiveness of the puncture surgery. The veress needle is simple to operate; and the veress needle is disposable, thereby avoiding cross infection and having high safety.
Owner:DONGGUAN MICROVIEW MEDICAL TECH

Trocars and veress-type needles with illuminated guidance and safety features

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.
Owner:THE BRIGHAM & WOMEN S HOSPITAL INC

Airbag indicating and locating pneumoperitoneum needle

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.
Owner:NANJING MATERNITY & CHILD HEALTH CARE HOSPITAL

A kind of laparoscopic instrument with sound-absorbing structure

The invention relates to the technical field of medical instruments, and discloses a laparoscopic instrument with a sound-absorbing structure, including a Veress needle, a sound-absorbing element and a protective case, a sound-absorbing disc is arranged between the fixed blocks, and the sound-absorbing element Both ends are provided with a first internal thread, the exterior of the sound-absorbing member is provided with a fixing ring, the inside of the fixing ring is provided with a second internal thread, and the surface of the sound-absorbing member at the position of the fixing ring is provided with a second An external thread, a cross bar is installed inside the protective shell, a sphere is sleeved on the cross bar, and a return spring is sleeved on the cross bar on one side of the sphere. This kind of endoscopic instrument with sound-absorbing structure, by setting the fixed ring, the sphere and the return spring, makes the present invention have the function of convenient disassembly and assembly and the function of preventing the loss of gas, without the need of external flow-blocking equipment, and at the same time, it is convenient for users to disassemble and disassemble. The sound parts are cleaned, and the interior is cleaned to effectively keep the noise-absorbing parts clean, prevent patients from being infected, and improve the success rate of the operation.
Owner:WUXI BM PRECISION PARTS CO LTD

Spiral puncture outfit with pneumoperitoneum device

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 resettingdevice 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 withthe 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 barlocated 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.
Owner:SURGAID MEDICAL XIAMEN CO LTD

Pneumoperitoneum needle puncture equipment for laparoscopic surgery

The invention discloses pneumoperitoneum needle puncture equipment for laparoscopic surgery. The pneumoperitoneum needle puncture equipment comprises a transverse moving device and a horizontal movingdevice, a first puncture device and a second puncture device which are arranged on a rack. Before the laparoscopic surgery is implemented, after a puncture position is confirmed, internal mechanicalsets of the transverse moving device and the horizontal moving device operate to drive a pneumoperitoneum needle to move to the puncture position; after the pneumoperitoneum needle moves to the puncture position and the puncture angle is confirmed, internal mechanical sets of the first puncture device and the second puncture device operate to drive the pneumoperitoneum needle to perform angle adjustment; and after the angle is adjusted, the internal mechanical sets of the transverse moving device and the transverse moving device operate at the same time to drive the pneumoperitoneum needle tomove obliquely to puncture a surgery accepter.
Owner:余京丽

Safety type veress needle capable of realizing self-locking

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.
Owner:WUXI SHENGNUOYA TECH CO LTD

Trocars and veress-type needles with illuminated guidance and safety features

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.
Owner:THE BRIGHAM & WOMEN S HOSPITAL INC

Device and methods for lifting patient tissue during laparoscopic surgery

A surgical device that provides a suction force against a patient's body. The device includes a handle and a suction head pivotally attached to the handle. The suction head includes an open-ended suction chamber having a rim positioned to engage the patient's skin. An actuator on the handle operates a pump to draw a negative pressure in the suction chamber, causing the rim to seal against the patient's skin via the suction force. Once the suction force is initiated, the user may lift the handle away from the patient's body to lift tissue. The lifted tissue provides a site for insertion of a trocar or Veress needle for a laparoscopic procedure in some embodiments. A gimbal disposed between the handle and the suction head provides at least two degrees of freedom such that the handle can be rotated and pivoted to optimize the direction of applied lifting force.
Owner:LAPOVATIONS LLC

Lamprey lock device

The present invention provides a lamprey lock device configured to provide a fluid transfer between two devices or objects. In one embodiment, lamprey lock device of the present invention improves fluid transfer by maximizing the inner diameter of connections between two objects including but not limited to a catheter, tubing, veress needles, trocars, syringes, or gas / fluid delivery systems.
Owner:RGT UNIV OF CALIFORNIA

Integrated pneumoperitoneum needle for hepatobiliary surgery

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.
Owner:张兴容

Method for transumbilical single-port extraperitoneal route lymph node excision

PendingCN114557738AClear gapAvoid damageDiagnosticsSurgical needlesPeriaortic lymph nodeSuturing needle
The invention relates to a medical technology, and provides a transumbilical single-hole extraperitoneal route lymph node resection method, which comprises the following steps of: (1) selecting the upper part of an abdominal aorta intersection as a posterior peritoneal route operation entrance, penetrating a suture needle through a posterior peritoneum, and lifting the posterior peritoneum to a transumbilical single-hole incision; (2) after the retroperitoneal suspended suture is pulled to the transumbilical single-hole incision, suturing and reinforcing are carried out at a retroperitoneal operation entrance; (3) inserting a pneumoperitoneum needle into the sutured part in the step (2), injecting carbon dioxide gas, and separating a gap behind the peritoneum; then cutting off the suspension suture reserved in the step (1), opening a window behind the peritoneum to form an incision of 1-3 cm, inserting an incision protector, and installing a single-port laparoscopic surgery port on an incision protection sleeve; and (4) sequentially cutting internal and external iliac lymph nodes and obturator lymph nodes, and cutting lymph nodes beside aorta abdominalis. The lymph node excision method is simple and convenient to operate, and can be used for excising the lymph nodes more clearly without intestinal tract interference.
Owner:THE WEST CHINA SECOND UNIV HOSPITAL OF SICHUAN

Medical pneumoperitoneum needle collecting and processing device

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.
Owner:王范

Endoscope instrument with silencing structure

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.
Owner:WUXI BM PRECISION PARTS CO LTD

Veress needle for air bag indication and positioning

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.
Owner:NANJING MATERNITY & CHILD HEALTH CARE HOSPITAL

Pneumoperitoneum needle puncture equipment for laparoscopic surgery

The invention discloses pneumoperitoneum needle puncture equipment for laparoscopic surgery. The pneumoperitoneum needle puncture equipment comprises a platform machine base, a puncture air filling component, a puncture ejection component, a puncture adjusting component and an abutting mounting platform. An infusion gas box is arranged on the platform machine base, an infusion pump is arranged onthe infusion gas box, the pneumoperitoneum needle connecting pipe is connected with the infusion pump through a gas conveying pipe, a valve base is arranged on the pneumoperitoneum needle connecting pipe, ejection of the pneumoperitoneum needle is achieved through the puncture ejection component, and the pneumoperitoneum needle is enabled to penetrate into skin tissue. The abutting head on the abutting mounting platform abuts against the skin, so that the puncture process is stable, and the outer tube ball head is arranged on the pneumoperitoneum needle outer tube, and thus the pneumoperitoneum needle outer tube is subjected to dead-corner-free direction change. The equipment is novel in structure, pneumoperitoneum building operation before laparoscopic surgery is completed, a surgery space is provided for laparoscopic surgery, and the working efficiency of medical staff is improved.
Owner:南京瑞淇卓越医疗美容诊所有限公司

Pneumoperitoneum needle for gastrointestinal surgery minimally invasive surgery

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.
Owner:张兴容
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