Abstract

An improved ureteral sheath, includes: an introducer sheath including a sheath tube and a sheath base arranged at a proximal end of the sheath tube, the sheath base is provided with a tube segment in communication with the sheath tube and a connecting part arranged at a distal end of the tube segment; the sheath tube is provided, from a proximal end to a distal end thereof, with a main body segment and a head segment arranged at a distal end of the main body segment, the main body segment is composed of a hard tube segment, and the head segment is composed of a deformable tube segment; and the tube segment extends outwards relative to a central axis thereof in a communication manner to form a negative pressure connecting tube, a tube wall of the negative pressure connecting tube is provided with vent groove.

IPC Classes  ?

• A61M 25/06 - Body-piercing guide needles or the like
• A61M 25/00 - CathetersHollow probes
• A61M 29/00 - Dilators with or without means for introducing media, e.g. remedies

Abstract

The present disclosure a pressure detection device, a sheath tube and a perfusion and suction system. The pressure detection device comprises a housing and a pressure detection assembly. the housing has a piezometric cavity and a mounting cavity, the piezometric cavity has an air inlet for communicating with a piezometric interface of the sheath tube and a vent hole for communicating with the outside, and a switch is arranged at the vent hole; and the pressure detection assembly is arranged in the mounting cavity and includes a gauge pressure sensor, a voltage regulating circuit, an operational amplifier circuit and a conversion circuit; the gauge pressure sensor, the voltage regulating circuit and the operational amplifier circuit are electrically connected with the conversion circuit, and the gauge pressure sensor is used for converting a pressure signal in the piezometric cavity into a voltage signal.

IPC Classes  ?

• A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor

Abstract

The present disclosure provides a perfusion and suction system, the host controller thereof is configured to execute a constant pressure regulation method including the following steps. A pressure detection device collects the pressure in a cavity and transmits it to the host controller, the host controller adjusts perfusion and suction parameters according to the real-time monitored pressure value and the data change trend of the pressure value, so that the current pressure in the cavity is balanced at a pressure control value, thus realizing a balance state between perfusion and suction; the perfusion parameters include a perfusion flow gear, and the suction parameters include an opening threshold of a relief valve and a suction pressure threshold; the suction pressure threshold is a suction pressure threshold of the suction container preset by the host controller, and the on-off of the suction pump is controlled by setting the suction pressure threshold.

IPC Classes  ?

• A61B 17/225 - Surgical instruments, devices or methods for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves
• A61B 17/00 - Surgical instruments, devices or methods
• A61B 17/22 - Implements for squeezing-off ulcers or the like on inner organs of the bodyImplements for scraping-out cavities of body organs, e.g. bonesSurgical instruments, devices or methods for invasive removal or destruction of calculus using mechanical vibrationsSurgical instruments, devices or methods for removing obstructions in blood vessels, not otherwise provided for
• A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges

Goods & Services

Hemostatic suture instruments; Medical instruments for cutting tissue; Medical endoscopes; Medical apparatus and instruments; Urological apparatus and instruments; Drainage tubes for medical purposes; Medical guidewires; Medical stents; Medical catheters; Anaesthetic apparatus; Condom catheters; Suture materials.

Goods & Services

Hemostatic suture instruments; Medical instruments for cutting tissue; Medical endoscopes; Surgical apparatus and instruments for medical use; Surgical and medical apparatus and instruments for use in urology surgery; Drainage tubes for medical purposes; Medical guidewires; Medical stents; Medical and surgical catheters; Anaesthetic apparatus; Condom catheters; Suture materials

Goods & Services

Hemostatic suture instruments; Medical instruments for cutting tissue; Medical endoscopes; Medical apparatus and instruments; Urological apparatus and instruments; Drainage tubes for medical purposes; Medical guidewires; Medical stents; Medical catheters; Anaesthetic apparatus; Condom catheters; Suture materials.

Goods & Services

Hemostatic suture instruments; Medical instruments for cutting tissue; Medical endoscopes; Surgical apparatus and instruments for medical use; Surgical and medical apparatus and instruments for use in urology surgery; Drainage tubes for medical purposes; Medical guidewires; Medical stents; Medical and surgical catheters; Anaesthetic apparatus; Condom catheters; Suture materials

Abstract

A pressure maintaining and temperature control method for an irrigation and aspiration system. The pressure maintaining and temperature control method comprises a pressure maintaining regulation and control method and a temperature control method. The pressure maintaining regulation and control method comprises the following steps: a pressure measurement device acquires pressure in a cavity and transmits the pressure to a master controller; and the master controller adjusts an irrigation parameter and an aspiration parameter according to pressure values monitored in real time and a data change trend of the pressure values, so that the current pressure in the cavity is balanced at a pressure control value, to implement balance between irrigation and aspiration, the irrigation parameter comprising an irrigation flow gear, the aspiration parameter comprising the opening of a pressure relief valve and an aspiration pressure threshold, the aspiration pressure threshold being an aspiration pressure threshold preset for an aspiration container by the master controller, the start/stop of an aspiration pump being controlled by setting the aspiration pressure threshold, and pressure regulation modes of the master controller comprising a coarse regulation mode, a fine regulation mode, and a hybrid regulation mode.

IPC Classes  ?

• A61B 17/22 - Implements for squeezing-off ulcers or the like on inner organs of the bodyImplements for scraping-out cavities of body organs, e.g. bonesSurgical instruments, devices or methods for invasive removal or destruction of calculus using mechanical vibrationsSurgical instruments, devices or methods for removing obstructions in blood vessels, not otherwise provided for
• A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
• A61B 18/26 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibreHand-pieces therefor for producing a shock wave, e.g. laser lithotripsy
• A61M 3/02 - EnemataIrrigators
• A61M 1/00 - Suction or pumping devices for medical purposesDevices for carrying-off, for treatment of, or for carrying-over, body-liquidsDrainage systems

Abstract

A pressure measuring device, a sheath having same and a perfusion aspiration system. The pressure measuring device comprises a housing (2) and a pressure measuring assembly (5). The housing (2) is provided with a pressure measuring cavity (21) and a mounting cavity (20). The pressure measuring cavity (21) is provided with an air inlet (22) used for communicating with a sheath pressure measuring connection opening and a vent hole (23) used for communicating with the outside, a switch being arranged at the vent hole (23). The pressure measuring assembly (5) is arranged in the mounting cavity (20), and the pressure measuring assembly (5) comprises a gauge pressure sensor, a voltage adjustment circuit, an operational amplifier circuit and a conversion circuit, the gauge pressure sensor, the voltage adjustment circuit and the operational amplifier circuit being electrically connected to the conversion circuit, and the gauge pressure sensor being used for converting a pressure signal of the inside of the pressure measuring cavity (21) into a voltage signal.

IPC Classes  ?

• A61B 5/03 - Measuring fluid pressure within the body other than blood pressure, e.g. cerebral pressure
• A61B 5/00 - Measuring for diagnostic purposes Identification of persons
• A61M 3/02 - EnemataIrrigators
• A61M 1/00 - Suction or pumping devices for medical purposesDevices for carrying-off, for treatment of, or for carrying-over, body-liquidsDrainage systems

Goods & Services

Hemostatic suture instruments; Medical instruments for cutting tissue; Medical endoscopes; Medical apparatus and instruments; Urological apparatus and instruments; Drainage tubes for medical purposes; Medical guidewires; Medical stents; Medical catheters; Anaesthetic apparatus; Condom catheters; Suture materials.

Goods & Services

Anaesthetic apparatus; Condom catheters; Drainage tubes for medical purposes; Hemostatic suture instruments; Medical and surgical catheters; Medical endoscopes; Medical guidewires; Medical instruments for cutting tissue; Medical stents; Surgical and medical apparatus and instruments for use in urology surgery; Surgical apparatus and instruments for medical use; Suture materials

Goods & Services

Hemostatic suture instruments; Medical instruments for cutting tissue; Medical endoscopes; Medical apparatus and instruments; Urological apparatus and instruments; Drainage tubes for medical purposes; Medical guidewires; Medical stents; Medical catheters; Anaesthetic apparatus; Condom catheters; Suture materials.

Goods & Services

Hemostatic suture instruments; Medical instruments for cutting tissue; Medical endoscopes; Medical apparatus and instruments; Urological apparatus and instruments; Drainage tubes for medical purposes; Medical guidewires; Medical stents; Medical catheters; Anaesthetic apparatus; Condom catheters; Suture materials.

Goods & Services

Anaesthetic apparatus; Condom catheters; Drainage tubes for medical purposes; Hemostatic suture instruments; Medical and surgical catheters; Medical endoscopes; Medical guidewires; Medical instruments for cutting tissue; Medical stents; Surgical and medical apparatus and instruments for use in urology surgery; Surgical apparatus and instruments for medical use; Suture materials

Goods & Services

Anaesthetic apparatus; Condom catheters; Drainage tubes for medical purposes; Hemostatic suture instruments; Medical and surgical catheters; Medical endoscopes; Medical guidewires; Medical instruments for cutting tissue; Medical stents; Surgical and medical apparatus and instruments for use in urology surgery; Surgical apparatus and instruments for medical use; Suture materials

Abstract

An improved ureteral sheath, comprising: a guide sheath comprising a sheath catheter (1) and a sheath seat (2) arranged at a proximal end of the sheath catheter (1), wherein the sheath seat (2) is provided with a tube section (20) in communication with the sheath catheter (1) and a connecting portion (21) arranged at a distal end of the tube section (20); the sheath catheter (1) is provided, from a proximal end to a distal end thereof, with a body section (11) and a head section (12) arranged at a distal end of the body section (11), the body section (11) being composed of a rigid catheter section, and the head section (12) being composed of a deformable catheter section; and the tube section (20) extends outwards relative to a central axis thereof in a communication manner to form a negative pressure connection tube (24), a tube wall of the negative pressure connection tube (24) is provided with an opened exhaust groove (25), the exhaust groove (25) is covered with a sliding cover (26) in a sealing manner, the sliding cover (26) can slide relative to the exhaust groove (25), and the open area of the exhaust groove (25) can be adjusted by sliding the sliding cover (26).

IPC Classes  ?

• A61B 17/22 - Implements for squeezing-off ulcers or the like on inner organs of the bodyImplements for scraping-out cavities of body organs, e.g. bonesSurgical instruments, devices or methods for invasive removal or destruction of calculus using mechanical vibrationsSurgical instruments, devices or methods for removing obstructions in blood vessels, not otherwise provided for
• A61M 25/00 - CathetersHollow probes

Abstract

A foreskin stapler capable of implementing suturing followed by incision, comprising: a housing (1), which defines one accommodating cavity (100), one side of the housing (1) being provided with an open end (10) for use in an annular incision suturing operation; a needle-abutting member (2), which is pivotally mounted within the housing (1) and is provided with a needle-abutting barrel (21) and a needle-abutting pipe (22) provided at the rear side of the needle-abutting barrel (21), the front end of the needle-abutting barrel (21) being arranged facing the open end (10); an incision blade member (3), which is provided with an annular incision blade and a blade-abutting pipe (32) provided at the rear side of the annular incision blade, the annular incision blade being coaxially and pivotally mounted within the needle-abutting barrel (21), and the blade-abutting pipe (32) being pivotally provided through the needle-abutting pipe (22); a handle (5), which is provided through the housing (1) and is transmissively connected to the needle-abutting pipe (22) and the blade-abutting pipe (32) respectively via a first transmission mechanism and a second transmission mechanism to drive the needle-abutting pipe (22) and the blade-abutting pipe (32) to move in the direction going towards the open end (10).

IPC Classes  ?

• A61B 17/326 - Circumcision apparatus

Abstract

The present application provides a staple of a circumcision anastomat. The staple comprises a bottom plate and a pin structure provided on the bottom plate, the pin structure comprises an inner pin pair provided on the inner side of the bottom plate and an outer pin pair provided on the outer side of the bottom plate, and the outer pin pair is provided on the outer side of the inner pin pair; the inner pin pair comprises a pin A and a pin B symmetrically provided on the left and right sides of the bottom plate, and the pin A and the pin B both extend axially upward from the bottom plate and can be bent relative to each other; and the outer pin pair comprises a pin C and a pin D respectively provided on the left and right sides of the bottom plate. The pins are added on the staple, and the position of the staple is adjusted, achieving closed suturing of the whole circle of the cut portion, and achieving reduction of bleeding and even no bleeding during and after an operation of circumcision.

IPC Classes  ?

• A61B 17/326 - Circumcision apparatus
• A61B 17/115 - Staplers for performing anastomosis, e.g. in a single operation