2299results about "Cannulas" patented technology

The present invention discloses a multi-functional bionic nasal irrigator, comprising a base, wherein a water pump for pumping water is arranged in the base, a key panel is arranged on an outer surface of the base, and a water pump water outlet pipe orifice connected to the water pump is arranged at the top of the base. A water-mist spray nozzle device and a water-column spray nozzle device that can be flexibly switched and mounted are designed on the base, main motor power is automatically adjusted according to assembling of different spray nozzle devices, the base is connected to the water-mist spray nozzle device and the water-column spray nozzle device both by clamping, and a diameter of a mist point water outlet hole of an atomization sheet is reduced to 0.15-0.26 mm, so that water mist sprayed has a smaller particle size.

An introducer sheath is described. The introducer sheath may include a tubular body. The tubular body may extend from a distal end toward a proximal end. The tubular body may include a lumen. The lumen may at least partially be defined by a wall. A channel may be disposed within the wall. The channel may be configured to receive a guidewire. The tubular body may include an expandable portion expandable to increase a cross-sectional area of the lumen.

A blood pump assembly includes an introducer sheath with a proximal end and a distal end, a pump body which extends within the introducer sheath, and a catheter that interfaces with the pump body and extends proximally though the introducer sheath. In a rest state, the introducer sheath forms an oval cross-section sized to encompass the catheter and a medical device. In a constrained state when the pump body is within the introducer sheath, the cross-section of the introducer sheath is circular. The malleability of the introducer sheath allows larger medical devices to be passed through the introducer sheath, while still allowing other devices to be inserted through the introducer sheath after the pump has been guided through. A perimeter of oval cross-section of the introducer sheath is equal to the perimeter of the circular cross-section of the introducer sheath.

Disclosed embodiments include apparatuses, systems, and methods for controlling advancement of a needle deployed through a control system. In an illustrative embodiment, a needle actuator is configured to be fixably coupled to a proximal end of a needle. A first release device is movably coupled to the needle actuator and is engageable to release the needle actuator to move from a retracted position to a ready position where the distal end of the needle is adjacent the distal end of the sheath. A second release device is movably coupled to the needle actuator and is engageable to release the needle actuator to move from the ready position to a sampling position where the distal end of the needle is advanceable into tissue to be sampled.

Disclosed herein are apparatuses, systems, kits, and methods for treating skin, such as skin tightening or for treating diseases, disorders, and conditions that would benefit from tissue area or volume reduction, skin restoration, skin tightening, skin lifting, and / or skin repositioning and / or for generally improving skin function or appearance (e.g., the removal of unwanted skin features or irregularities such as sebaceous glands, sweat glands, hair follicles, necrosis, and fibrosis). Such apparatuses, systems, kits, and methods comprise an apparatus having a handheld main body and a detachably attachable tip comprising one or more needles.

A cannula system and method for tissue repair includes a cannula defining a central lumen and a divider removably coupled to the cannula. The divider has a divider shaft to separate the central lumen into at least two discrete working channels.

Provided is a multifunctional connector. The multifunctional connector includes an auxiliary conduit which is branched from a main conduit and has a guide portion; and an operation member provided detachably from the auxiliary conduit, wherein the operation member includes an intubation portion inserted into the auxiliary conduit; sliding guide formed to move forward and backward while being guided by the guide portion; a fixing cap fixing the sliding guide so as not to be separated from the guide portion; and a first port through which a fluid is injected or discharged, thereby improving the efficiency of treatment, mitigating the fatigue of medical staffs, and reducing contamination of affected areas and a risk of damage to tissues around an endoscope.

The invention relates to a debridement nursing device in operating room nursing, belongs to the technical field of surgical operating instruments, and aims to solve the problems that a hose of a traditional flushing device is easy to block, needs to be manually disassembled for cleaning or increasing water pressure, is easy to damage tissues and interrupts an operation flow. Pressurizing assemblies are fixedly connected in the two air pressure adjusting cavity assemblies, ejector rod assemblies are connected in the two air pressure adjusting cavity assemblies, automatic detection and dredging of hose blockage are achieved through linkage of the air pressure adjusting cavity assemblies, the pressurizing assemblies and the ejector rod assemblies, when a hose liquid outlet is blocked, an electromagnetic valve switches an air source, and the hose liquid outlet is blocked. The extrusion action is matched with the high-speed flushing fluid to generate shearing force, attachments in the tube are stripped, and the situation that an operation is interrupted due to manual intervention is avoided.

Disclosed embodiments include apparatuses, systems, and methods for engaging a stylet within a needle. In an illustrative embodiment, an apparatus includes a stylet configured to be insertable into a lumen of a needle via a proximal port of secured to a needle actuator secured to the needle; and an end cap fixably coupled to the stylet and configured to cover a proximal end of the needle actuator and to be movable relative to the needle actuator to enable an operator to withdraw the stylet from the lumen.

A system for performing minimally invasive procedures in a body lumen of a patient including a flexible catheter having a first lumen configured and dimensioned to receive an endoscope therethrough and a second lumen configured and dimensioned to receive a first flexible tube therethrough. The first flexible tube is movable through the second lumen and has a distal portion including a first curve extending in a first direction with respect to the longitudinal axis and a second curve extending in a second different direction with respect to the longitudinal axis. A retractor system is positioned at a distal portion of the catheter and is movable from a non-expanded insertion position to an expanded position forming an expanded cage to form a larger working space. The distal portion of the first flexible tube is movable within the expanded cage.

A tele-endoscopy system and method enable low-cost hand-held endoscopes to be used both (i) when linked so that a local endoscope controls a remote endoscope and (ii) individually so that a remote endoscope can carry out or continue a procedure even if the link to the remote endoscope degrades or there is no link. The system fills a gap between expensive telesurgery that critically depend on a high quality communication link and individually used endoscopes and is particularly intuitive and user-friendly.

A surgical instrument kit for spinal fusion. The instrument kit includes a curved trocar (10), a flexible cannula (30) for positioning over the curved trocar, a flexible rasp device (70), and a bone graft delivery container (90).

The intelligent gynecological flushing system comprises a gynecological flushing platform, a colposcope image guiding system, a self-adaptive flushing execution system and an evaluation feedback optimization system, and the gynecological flushing platform is used for supporting a patient to conduct gynecological flushing; the colposcope image guiding system is used for collecting colposcope image data, identifying lesion characteristics based on an image identification technology, and transmitting an identification result to the self-adaptive flushing execution system; the self-adaptive flushing execution system is used for carrying out self-adaptive gynecological flushing on the focus part by utilizing flushing fluid according to the guidance of the colposcope image guidance system and based on the basic information of the patient; and the evaluation feedback optimization system is used for collecting the components of the flushing fluid after flushing and the reaction of the flushing part, performing quantitative evaluation on the flushing effect, feeding back the evaluation result to the self-adaptive flushing execution system, and optimizing the self-adaptive flushing parameters of the self-adaptive flushing execution system. According to the invention, the stability and accuracy of the flushing process can be ensured.

The present disclosure relates to a cannula and an enema composition for rectal administration via the cannula, particularly a liquid enema composition that forms a gel at body temperature. The cannula and enema are suitable for use in the treatment of ulcerative colitis, particularly distal ulcerative colitis (including proctitis and proctosigmoiditis).

The present invention relates generally to implants and tools for the fixation or fusion of joints or bone segments. These tools include tissue dilators and protectors. Other tools include broaches used to shape bores in bone. The tools can also include a system for removing an implant from bone. Implants can include assemblies of one or more implant structures that make possible the achievement of diverse interventions involving the fusion and / or stabilization of lumbar and sacral vertebra in a non-invasive manner, with minimal incision, and without the necessitating the removing the intervertebral disc. Implants for fusing both sacroiliac joints of a patient include a long implant that extends across both sacroiliac joints.

Disclosed embodiments include apparatuses, systems, and methods for preventing buckling of an elongated instrument as it is advanced through a channel. In an illustrative embodiment, an apparatus includes an anti-buckling device including at least one movable support bracket. The bracket includes a generally planar member having an inner orifice and an outer edge configured to movably engage an inner surface of a channel. The planar member is configured to provide lateral support to an elongated instrument chosen from one of a needle and a probe responsive to the elongated instrument being motivated through the channel by an actuator. The at least one bracket also includes a positioning member that extends from the planar member. The positioning member is configured to prevent the planar member from twisting within the channel. The positioning member is configured to move relative to a distal end of the actuator so as not to impede movement of the actuator.

An extremely-miniature surgical operation instrument belongs to the field of medical instruments and comprises an outer rod component, a forceps head component and an outer tube inner pull rod, the outer rod component and the forceps head component can be detached from each other, and the outer tube inner pull rod is mounted in the outer rod component in a penetrating manner. The forceps head is driven to be opened or closed under the mechanical movement of the forceps seat inner pull rod, the outer rod assembly and the forceps seat are detachably installed, the outer inner pull rod and the forceps seat inner pull rod are detachably installed, the outer rod assembly comprises a first outer pipe and a reinforcing pipe embedded in the first outer pipe, and the reinforcing pipe is connected with the first outer pipe. The rigidity and the toughness of the micro-rod instrument are considered through the combination of the reinforcing tube and the outer tube.

The invention discloses a local oxygen therapy, flushing and skin stretching device for chronic wound treatment, and relates to the technical field of medical apparatuses and instruments, the local oxygen therapy, flushing and skin stretching device comprises a stretching disc, and a cleaning device is arranged in the middle of the stretching disc; according to the device, breakthrough is achieved through the combination of the circular structure of the stretching disc and the circumferentially-distributed T-shaped sliding racks; the circular geometric structure of the stretching disc has stress symmetry, and stretching force can be evenly dispersed; the position of the T-shaped sliding rack installed in a circumferential sliding mode can be flexibly adjusted in the radial direction of the stretching disc, and six or more stretching points can be set at will according to the boundary of the wound surface in cooperation with the sliding block and the T-shaped hook frame which can slide. For example, for an irregular polygonal wound surface of a diabetic foot, a medical worker can mark six stress balance points on the T-shaped sliding rack and fix the hook, synchronous or independent adjustment of multiple distraction points is achieved through linkage of the rotating gear ring and the multiple sets of gears, and the situation that skin ischemia blister is caused by too large local stress or tissue stretching is affected by insufficient stress is avoided.

An apparatus for attaching a cannula to a robotic surgical system, the apparatus comprising: a first clamp component configured to transition between an open position and a closed position; a second clamp component spaced from the first clamp component, the first and second clamp components defining a region configured to receive a portion of the cannula and configured to retain the portion of the cannula in the region when the first clamp component is in the closed position; and a locking component configured to lock the first clamp component in the open position and allow the first clamp component to automatically transition to the closed position based on a position of the portion of the cannula within the region.

An aiming guide system configured for connection to a bone plate including an aiming arm and a connection assembly. The aiming arm has a rigid body extending from a proximal end to a distal end with a plurality of aiming holes defined through the rigid body between the proximal end and the distal end thereof. The distal end defines an attachment slot through the body. The connection assembly is configured to engage an attachment screw hole of the bone plate and the attachment slot such that the aiming arm is fixed in position relative to the bone plate with each of the aiming holes aligned with a respective hole along the bone plate.

The invention relates to the technical field of wound cleaning, and discloses a traditional Chinese medicine surgery wound cleaning device which comprises a butt joint conveying belt mechanism, the top of the butt joint conveying belt mechanism is fixedly provided with a fluid conversion cleaning mechanism, and the bottom of the butt joint conveying belt mechanism is movably provided with a disposable flushing suction mechanism or wiping mechanism. A limiting cleaning mechanism and a limiting evaporation mechanism are installed on the two sides of the butt joint conveying belt mechanism correspondingly. According to the wound cleaning device for the traditional Chinese medicine surgery department, through the arrangement of the butt joint conveying belt mechanism, the fluid conversion cleaning mechanism, the disposable flushing and suction mechanism, the wiping mechanism, the limiting cleaning mechanism and the limiting evaporation mechanism, the state of the disposable flushing and suction mechanism can be converted through the fluid conversion cleaning mechanism during use; therefore, foreign matters in the wound can be accurately flushed or sucked through the disposable flushing and sucking mechanism, and the cleaning effect on the foreign matters in the cut wound is improved.

The invention discloses a plastic suction flushing tube used in cooperation with a visual double-lumen bronchial catheter, the plastic suction flushing tube comprises a suction flushing tube, the suction flushing tube comprises a plastic part and an operation part, the plastic part is located at the far end of the suction flushing tube, a built-in steel wire is arranged at the position 1-1.5 cm away from a hole in the far end of the suction flushing tube, and the operation part is located in the plastic part. The built-in steel wire enables the plastic part to be bent at will and to be kept shaped; the shape of the front end of the suction and flushing pipe can be flexibly adjusted, the suction and flushing pipe can be accurately guided to a target suction or flushing area, the suction and flushing accuracy is improved, the risk that sputum or secretions are not thoroughly removed is reduced, complications such as respiratory tract blockage are reduced, and the life safety of a patient is guaranteed.

The electrocoagulation flushing and sucking device comprises a shell, the shell comprises a gun body part and a handle part, a conducting rod is arranged at the front end of the gun body part, the periphery of the conducting rod is sleeved with an insulating layer, an electrocoagulation working head is arranged at the front end of the conducting rod, the electrocoagulation working head extends out of the front end of the insulating layer, the conducting rod is hollow, and a flushing pipe is arranged in the conducting rod in a sleeved mode. A suction flushing device and an electrocoagulation and electroresection device are arranged in the shell, a conductive part and a connecting part are arranged at the rear end of the conductive rod, the conductive part is electrically connected with the electrocoagulation and electroresection device, and the suction flushing device comprises a three-way connecting pipe and a flushing mechanism. The three-way connecting pipe comprises a first pipe opening connected with the connecting part, a second pipe opening connected with the flushing mechanism and a third pipe opening used for being connected with a negative pressure suction mechanism, the flushing pipe penetrates through the first pipe opening and the second pipe opening to be connected with the flushing mechanism, and a suction pipe used for being connected with the negative pressure suction mechanism is arranged at the rear end of the gun body part. And the suction tube is connected with the third tube orifice through a connecting pipeline and is provided with an adjusting switch.

The invention discloses a bladder irrigation injection pump, and belongs to the technical field of medical equipment. An irrigation bin, a water storage bin and a waste liquid bin are arranged in a machine shell; a regulator capable of controlling the flushing bin to inject flushing liquid into the bladder of the patient and extracting waste liquid is arranged on the flushing bin; one side of the flushing bin is communicated with the water storage bin and the waste liquid bin; a flushing pipeline capable of conveying liquid into the bladder of the patient and extracting the liquid is arranged on the other side of the flushing bin in a communicating mode, and airflow in the upper space and airflow in the lower space in the flushing bin are compressed and switched through a drainage plate; the bladder flushing device can be matched with a plurality of flow stoppers to control and switch blockage of a pipeline so that flushing liquid can be injected into the bladder of a patient, meanwhile, generated waste liquid can be removed, and new flushing liquid can be introduced into the flushing bin while the waste liquid temporarily stored in the flushing bin is discharged, so that follow-up bladder flushing work can be completed conveniently; and potential safety hazards caused by excessive expansion of the bladder of the patient due to instant filling of the flushing fluid can be further avoided.

A multi-parameter fusion digital flushing remote monitoring system is characterized in that a central processing unit is electrically connected with an input control module, a flushing temperature control module, a color identification module, an output monitoring module, an output control module and a pressure sensor, and dynamically monitors the input of flushing liquid, the output of waste liquid, the color of the waste liquid and the pressure in a tube cavity; the urine volume, the blood content of waste liquid and the pipe blocking risk in the flushing process are analyzed and calculated; and the central processing unit is configured into a feedback control loop comprising a waste liquid blood content index, flushing liquid flow rate and temperature multi-parameter fusion and multi-mode flushing. The automation level of bladder irrigation is improved, and monitoring loopholes are reduced.

An apparatus includes a proximal structure configured to be positioned extracorporeally relative to a patient, and a distal structure extending distally from the proximal structure and configured to be passed through a body wall and into a body cavity of the patient. The distal structure cooperates with the primary structure to define a primary axis and a working channel sized and configured to receive and guide a surgical scope shaft distally therethrough along the primary axis. The proximal structure has a greater maximum dimension in a direction transverse to the primary axis than the distal structure. The apparatus further includes an articulation feature at a distal end of the distal structure that is configured to articulate relative to the proximal structure to direct the surgical scope shaft along a secondary axis that is angled relative to the primary axis.

Disclosed are an irrigator component and a nasal irrigator. The irrigator component includes: a body, a water tank, a water tank, a first nozzle and a second nozzle. The body includes a first connection portion and a second connection portion; the water tank is configured to store cleaning liquid, and the water tank is connected to the first connection portion; the waste tank is configured to recycle the cleaning liquid, and the waste tank is connected to the second connection portion; and the first nozzle is communicated with the water tank and the second nozzle is communicated with the waste tank. The cleaning liquid is configured to enter user's nasal cavity through the first nozzle, and flow back to the waste tank from the second nozzle.

The invention belongs to the technical field of medical instruments, and particularly relates to wound cleaning and nursing equipment for trauma, which comprises a base, a lifting and positioning mechanism, a support frame and a flushing and blowing mechanism are arranged on the base, a sliding groove is formed in the top of the support frame, and a sliding block is slidably arranged in the sliding groove; the flushing and blowing mechanism comprises a driving assembly, a liquid storage tank and a gas storage tank, and the driving assembly is in transmission connection with the liquid storage tank and the gas storage tank; cooperative operation of stable conveying of flushing fluid and rapid blowing-out of gas can be achieved, wounds and peripheral skin can be dried through the blowing head in time after cleaning, wiping injury is avoided, the risk of bacterium breeding is reduced, time consumed by the nursing process is shortened, extrusion pressure of the flushing fluid in the fluid storage tank can be controlled, and the nursing efficiency is improved. And the problem that the wound is secondarily damaged due to excessive pressure or the cleaning is not thorough due to excessive pressure is effectively avoided.

A disposable or reusable length adjustable tubular retractor, a surgical system, and a tube breaker for adjusting the length of the length adjustable tubular retractor are provided. The length adjustable tubular retractor includes a cylindrical body and at least one or a plurality of grooves or through slots or a combination thereof circumferentially disposed along the cylindrical body at predetermined positions. Each of the at least one or a plurality of grooves, through slots, or a combination thereof is configured such that the cylindrical body is breakable at each of the predetermined positions to form a size-selected length adjustable tubular retractor. A surgical system includes the length adjustable tubular retractor and a retractor handle.