3333results about "Surgery" patented technology

A stop for use with an electric drill bit, the stop having at least one threaded sleeve for positioning the stop relative to a surface into which the drill bit will extend. The stop may have both an inner and an outer sleeve. The sleeves are mounted coaxially, one inside the other about the drill bit. One of the sleeves, preferably the inner sleeve, provides coarse adjustment of the position of the shoulder relative to the tip of the bit, while the other, preferably the outer sleeve, provides fine adjustment of the position of the shoulder relative to the top of the bit.

The invention discloses a thrombus excision system. An embolus is extracted through a mechanical embolus extraction device, a blood vessel is dredged, and revascularization of the blood vessel is achieved. A saccule guide catheter is put at the near end of the embolus part when the embolus is extracted, blood flow is temporarily blocked, and thus a fine crushed embolus generated in the embolus extraction process is prevented from being flushed to the far end of the blood vessel; meanwhile, for a relatively large embolus, a part of thrombus can also be sucked by virtue of the saccule guide catheter, and then the residual thrombus can be extracted by virtue of a thrombus exsector. The thrombus exsector, the saccule guide catheter and a delivery microcatheter are arranged on the thrombus excision system disclosed by the invention, wherein the thrombus exsector is used as a main component, an excision spring is arranged, and the release state of the excision spring is a conical spiral state. Compared with the prior art, the thrombus excision system has the advantages that the thrombus exsector is very soft, the minimal through size is 0.014' (0.36mm), the thrombus exsector can easily enter a cerebral vessel, a near-end protection technology is adopted in the operation process, and thrombus suction is combined with mechanical embolus extraction, so that the success rate of the operation is improved, and the complications are reduced.

Pulsatile balloon catheter systems are provided. Aspects of the systems include: a pulse generator; and a balloon catheter assembly operably connected to the pulse generator. In embodiments, the balloon catheter assembly includes: a proximal connector operably connecting the balloon catheter assembly to the pulse generator and configured to transduce a first pulse energy generated by the pulse generator to a second pulse energy; a distal balloon; and a catheter component, where the catheter component includes a fluidic passage operably positioned between the proximal connector and the distal balloon, which passage is configured to propagate the second pulse energy from the proximal connector along the fluid passage to the distal balloon. Also provided are balloon catheter assemblies and kits that include the same. Also provided are systems and methods for assessing vessel compliance in-vivo. Also provided are systems and methods for determining system state of balloon catheter systems. The systems, assemblies and kits find use in a variety of different applications, including balloon angioplasty applications.

The application discloses a plugging and hemostasis device, which comprises a shell, a pull tube, one end of the pull tube being movably connected with the shell, the other end of the pull tube extending to the distal end of the shell, a catheter, the catheter penetrating through the pull tube and being capable of moving relative to the axial direction of the pull tube, and a sealant, the sealant being located between the pull tube and the catheter and being arranged close to the distal end of the pull tube. After the first locking mechanism is unlocked, the pushing mechanism pushes the push tube to move to the distal end, pushes the sealant exposed to the tissue to be tight, is attached to the tissue wall of the blood vessel puncture hole, extrudes the sealant to make the sealant fully attach to the outer wall of the blood vessel and is compacted, and the blood vessel is effectively plugged and hemostasis.

The present application relates to a surgical device that comprises a light connector and an optical device. The light connector is configured at least to receive visible light such that the surgical device illuminates an interior portion of an anatomic body. The optical device includes an optical body, for example, a lens body. An image sensor is further provided in optical communication with the optical body. In this way, the image sensor is configured to acquire a captured image of the interior portion of the anatomic body illuminated by the visible light. The surgical device further comprises a circuit board, a controller, and a transceiver, wherein the controller is attached to the circuit board. The image sensor and the transceiver are electrically connected to the controller, and wherein the controller is configured at least to transmit image data derived at least partially from raw image data generated by the image sensor to one or more user devices in a wireless manner through the transceiver. The surgical device is particularly a wireless surgical device such as a cable-free arthroscopy device. Furthermore, a wireless surgical system is provided. The wireless surgical system comprises the surgical device and the one or more user devices. A method for operating the wireless surgical system is also provided.

An improved catheter is provided for accessing a site in a patient's vasculature, delivery a device or instrument to the site, removing an obstruction(s) from a blood vessel, and / or for retrieving a clot / thrombus in the neurovasculature for the treatment of stroke. The catheter has a collapsed state sufficiently small and flexible for easier delivery through challenging vasculature and also has an expanded state sufficiently sized and robust for removing the obstruction. The catheter may include a self-collapsing and expanding mechanism to transition a portion of an outer tube (e.g., a braided portion) between the collapsed and expanded states. Such mechanism may include an inner actuator tube slidable over an actuation wire to collapse a plurality of struts engaged with the actuation wire, thereby collapsing the braided portion. The catheter may also include an intermediate coiled tube for reinforcing the braided portion in the expanded state.

The utility model discloses a kind of soft skin clamping fixing devices for operation. A kind of soft skin clamping fixing device for operation includes the first fixed arm and the second fixed arm for clamping and fixing skin, the first spring for keeping the front end of the first fixed arm and the second fixed arm open and the locking mechanism for keeping the first fixed arm and the second fixed arm front end spacing, locking mechanism includes the adjusting rod for connecting the first fixed arm and the second fixed arm, the clamping seat for fixing adjusting rod with the second fixed arm and the second spring for resetting clamping seat, one end of adjusting rod is pivoted on the first fixed arm, the other end of adjusting rod is threaded on the second fixed arm, clamping seat is slidably arranged in the second fixed arm, push portion is provided on clamping seat, push portion is exposed outside second fixed arm by passing through second fixed arm. The utility model discloses a kind of soft skin clamping fixing device for operation can adapt to skin of different thickness, while without medical staff continuously holding when fixing skin.

The utility model is suitable for medical equipment technical field provides a kind of breathing apparatus for C13 detection;Including: blowing pipe, blow pipe inside is provided with flow passage, and the top of blowing pipe is provided with the opening that is communicated with flow passage;Connecting mounting seat, and the bottom of blowing pipe is rotatably installed in the installation groove on connecting mounting seat, and the side wall in the inside of blowing pipe that is provided with communicating hole is set in connecting mounting seat, and communicating hole is communicated with flow passage;First detection gas bag, and the gas delivery end of first detection gas bag is communicated with the first communicating flow passage on connecting mounting seat;Second detection gas bag, and the gas delivery end of second detection gas bag is communicated with the second communicating flow passage on connecting mounting seat, and first communicating flow passage and second communicating flow passage are all set on the track of communicating hole passing;And timer installed on connecting mounting seat, timer is installed with timing switch on the side wall close to blowing pipe, and setting touch protrusion on blowing pipe, and timing switch is set on the track of touch protrusion.

This invention provides an adapter device and a detachable medical handle device equipped with the adapter device, a method for cleaning the detachable medical handle device, and a method for installing the adapter device to provide the detachable medical handle device. The adapter device is configured to be disposed in the detachable medical handle device, which has a handle, a drive rod movable within the handle, and an operating mechanism having a housing portion and an actuating portion. The adapter device has a drive adapter and an adapter sleeve. The adapter sleeve has an axial through-hole, in which a distal connecting section of the drive adapter is disposed, and the drive adapter is translatably movable relative to the adapter sleeve. According to the invention, the proximal section of the axial through-hole of the adapter sleeve is configured as a frustoconical shape and widens towards the proximal end of the axial through-hole; the frustoconical proximal section is configured to detachably receive a conical nozzle of a rinsing device.

Methods for dissociating mucosa and submucosa from the muscularis propria from a region of the esophagus of a subject are disclosed. These methods include submucosally injecting into the esophagus of the subject a pharmaceutical composition comprising an extracellular matrix (ECM) hydrogel to form a cushion between the submucosa and the underlying muscularis propria in the region of the esophagus, the ECM hydrogel having the following characteristics: a) a time to 50% gelation of less than 30 minutes at a temperature of about 37°C, b) a flow viscosity suitable for injection into the esophagus, and c) a stiffness of about 10 to about 400 Pascals (Pa). The ECM hydrogel is not a bladder ECM hydrogel.

The present invention relates to a power providing device for a medical device, the power providing device, including: a power source configured to generate power; a power transmission part configured to transmit the power generated by the power source; a power providing part configured to provide the power received from the power transmission part to a medical device; a power providing part support supporting the power providing part and having a power providing part engagement part operably engaging the power providing part; and a stopper disposed adjacent to the power providing part to restrict a range of motion of the power providing part.

The application relates to an exhaled air collection device, which comprises a main air path, an air collection branch, an air exhaust branch, an air suction branch, a switch module, a detection module and a control module; a first interface of the main air path is used for connecting a breathing interface, a second interface is connected with the air collection branch, one end of the air collection branch away from the second interface is used for connecting a gas storage container, a third interface is connected with the air exhaust branch through the switch module, and a fourth interface is connected with the air suction branch through the switch module; the detection module is located between the first end and the second end and is used for detecting the carbon dioxide concentration of the gas in the main air path; the switch module and the detection module are electrically connected with the control module, and the control module is used for controlling the switch module to turn on or turn off the corresponding branch based on the carbon dioxide concentration. The exhaled air collection device establishes a complete breathing path between a subject and an external environment, external air enters the main air path through the air suction branch in the air suction stage, the carbon dioxide concentration in the main air path is reduced, and the control switch module switches the branch state.

The utility model relates to the technical field of medical equipment, especially to a soft tissue emulsification suction cutting ultrasonic operating knife and ultrasonic operating handle, including the knife bar and the knife head connected in the knife bar front end, the knife bar includes the knife handle section and the transition section gradually from back to front, the front end of the most front end extension section forms the knife head, and the diameter of extension section gradually decreases according to the order from back to front, the front part peripheral wall of the most front end extension section forms the heat dissipation section, and its beneficial effect is that the transition section can be multiple groups, and the different groups of amplitude section and extension section are connected with each other, form an energy transmission path of gradual transition, and further optimize the amplitude of the whole knife bar, the front part peripheral wall of the most front end extension section forms the heat dissipation section and is used for radiating the heat generated in the operation process. The design of heat dissipation section helps to prevent the scalpel from overheating, thereby protecting the surrounding tissue and reducing the operation risk.

The present invention relates to an adjustable areola marker (1) comprising at least three marking pieces (2) and a support piece (5). Each marking piece has a marking surface (3) and a first adjustment element (4). The support piece (5) comprises a central point (6) and a plurality of second adjustment elements (7), wherein each second adjustment element (7) is designed to cooperate with one of the first adjustment elements (4) to adjust the distance of the marking pieces (2) from the central point (6).

This endoscope system 1 comprises: an LED 45 provided inside an operation unit 11 of an endoscope 2; a liquid feeding channel 27 disposed around the LED 45 inside the operation unit 11; and a CPU 7 that controls the output of the LED 45 on the basis of the flow rate of a liquid flowing through the liquid feeding channel 27.

A softness measurement device according to one embodiment of the present invention comprises: an acquisition unit which acquires a measurement value obtained by a force sensor that is attached to a nail of a finger of an operator and measures the pressure of a fingertip on the basis of the strain of the nail, and also acquires a captured image including an RGB image and a depth image when the force sensor is attached and the finger presses a measurement target; a region determination unit which determines a region of the finger in the RGB image; a three-dimensional coordinate calculation unit which calculates the three-dimensional finger coordinate of the finger in the depth image corresponding to the position of the finger which is determined to be the region of the finger; a normal vector calculation unit which calculates a normal vector on the basis of depth information on the depth image when the finger presses the measurement target; a displacement amount calculation unit which calculates, as a displacement amount, a component along the normal vector to the three-dimensional finger coordinate in the captured image at the start of the pressing by the finger; a calculation unit which calculates an index of softness of the measurement target on the basis of the displacement amount, the measurement value, and the radius of curvature of the finger; and a communication control unit which transmits the captured image, the displacement amount, and the index.

The utility model relates to face shaping technical field, concretely relates to an improved needle structure for face microplasty, including needle cylinder and needle body, still include fixed depth subassembly, fixed depth subassembly includes fixed slide, sliding frame, sliding block, connecting support, fixed depth cover, scale paste, mounting component and locking component, fixed slide is connected with needle cylinder through mounting component, and sliding frame is connected with fixed slide slidingly, and sliding block is fixedly connected with sliding frame, and connecting support is fixedly connected with sliding frame, and fixed depth cover is fixedly connected with connecting support, and scale paste is fixedly connected with fixed slide, and mounting component sets up on fixed slide, and locking component sets up on sliding frame, through fixed depth cover adjustment to corresponding position on needle body, medical staff can be limited by fixed depth cover when carrying out puncture through needle body, and the position through fixed depth cover is convenient for medical staff to understand the puncture depth of needle body, avoids puncture too deep.

The present disclosure relates to medical grade color filters. Disclosed herein is a system for producing a color accurate image of biological tissue, including an image sensor configured to capture and transmit an image of biological tissue and a processor configured to receive and display the image of biological tissue. The image sensor can include a pixel array, a light source, and a control unit. The pixel array can include a plurality of sub-pixels and a plurality of color filters. Each sub-pixel can include at least one photodiode. The plurality of color filters can include a red wavelength high-pass color filter, an orange wavelength high-pass color filter, a green wavelength band-pass color filter, and a blue wavelength band-pass color filter. The control unit can be electrically coupled to the pixel array and the light source.

This invention belongs to the field of medical device technology and relates to a multi-dimensional spinal expansion device, which includes a connecting rod (1), a first connector (3), a second connector (5), and an expansion rod (7). The first connector (3) is connected to the lower end of the connecting rod (1) and can rotate relative to the lower end of the connecting rod (1). The second connector (5) is connected to the first connector (3) and can swing relative to the first connector (3). The expansion rod (7) is mounted on the second connector (5) and can move up and down along the second connector (5), thereby enabling the expansion rod (7) to be adjusted in multiple dimensions relative to the connecting rod (1). It can adaptively match the endplate angle, fit fully, and bear pressure evenly. It can effectively expand the anterior column / anterior mid-section of the vertebral body through the posterior approach, is compatible with multiple approaches, can reduce the risk of endplate damage, slippage, and collapse, and improve the accuracy and safety of surgery. It is suitable for spinal interbody fusion surgery.

According to some embodiments, a skin treatment system comprises a main body portion, a waste container configured to be removably secured to the main body portion, a tip configured to be removably secured to the main body portion, a pump, at least one fluid delivery conduit placing an interior of a treatment material container secured to the receiving area in fluid communication with the tip, and at least one waste conduit placing the at least one waste port of the tip in fluid communication with the pump.

The present invention relates to a clamp comprising an actuation portion and an engagement portion coupled to the actuation portion by a coupling portion, the engagement portion including a first arm having a first engagement element disposed at a distal end of the first arm and a second arm having a second engagement element disposed at a distal end of the second arm.

Implantable devices—such as stents and rings—that comprise markers for tracking their deployment in a body lumen are disclosed. The markers may be used to monitor progress of expansion of the implantable device, potential migration of the implantable device, and diameters of the body lumen. Markers may be deployed in the body lumen separately from another implantable device to assist tracking of migration of the implantable device. Markers may be placed circumferentially around a wall of a body lumen to track growth of an aneurysm or a stricture.

A non-transitory computer-readable medium storing a computer program capable of providing an easy-to-interpret image. A computer acquires, according to a computer program, a signal data set by a first inspection wave emitted in a direction inclined at a first angle with respect to a longitudinal axis direction of an imaging core used in a catheter. Then, the computer constructs an image obtained by using a direction inclined at a second angle different from the first angle with respect to the longitudinal axis direction of the imaging core as an observation target, based on the acquired signal data set.

The application discloses a kind of traditional Chinese medicine composition for weight loss assisted by acupoint catgut implantation and application thereof, the traditional Chinese medicine composition includes radix astragali 15-25 parts, fried atractylodes 10-18 parts, poria cocos 10-18 parts, lotus leaf 8-15 parts, bitter orange fruit 6-12 parts, divinum 6-12 parts, plantain 6-12 parts, and can be added coix seed, alisma orientalis, winter melon peel, giant knotweed by weight parts;Its preparation method is: part of medicinal material is extracted with water, part of medicinal material is extracted with alcohol, the rest lotus leaf is crushed and co-extracted with extract, and the powder is obtained after concentration and drying after being combined;The obtained traditional Chinese medicine composition is made into coating liquid with film-forming base, and is loaded on the surface of absorbable thread core by dipping or spraying, and the drug-loaded absorbable catgut is obtained after drying;The application realizes stable loading and sustained release of traditional Chinese medicine through slow-release layer design, avoids the decrease of mechanical properties of thread body and local adverse reactions, and improves the safety and durability of acupoint catgut implantation assisted weight loss.

This application provides an external electrode, an electrode assembly, a shockwave balloon catheter, and a shockwave balloon catheter system. The external electrode includes a body configured to surround at least a portion of the outer periphery of the inner tube of the shockwave balloon catheter in a circumferential direction. The body has a first end and a second end that are disconnected in the circumferential direction. The curvature of the body is elastically adjustable to change the distance between the first end and the second end. The body includes a discharge section configured to surround a portion of the outer periphery of the inner tube of the shockwave balloon catheter in a circumferential direction and having a discharge edge; and a mounting section, one end of which is connected to the discharge section. The center of the discharge section is offset relative to the center of the mounting section in a first length direction along the length of the shockwave balloon catheter. This achieves better permeability while ensuring the therapeutic effect of shockwave therapy.