27 results about "PERITONEOSCOPE" patented technology

The utility model relates to a 4K fluorescent endoscope optical system, which comprises an objective lens system, a relay lens system and an eyepiece system which are sequentially arranged along the light propagation direction, and is characterized in that the objective lens system is of a reverse long-distance structure; the system comprises a sapphire protection lens, a negative focal power lens, a prism or a steering prism, a positive focal power plano-convex cemented lens, a positive focal power triple cemented lens and a first positive focal power double cemented lens which are arranged along a light propagation direction, the relay lens system comprises n relay lens groups, and each relay lens group is of a double telecentric structure. And the eyepiece system is arranged in the light transmission direction and is formed by symmetrically arranging two doublet rod lenses, n is an odd number, the eyepiece system is of an object space telecentric structure, and the eyepiece system comprises a second positive-focal-power doublet lens, a positive-focal-power lens and a sapphire lens which are glued into a whole in the light transmission direction. The structure of an optical system can be simplified, production and processing cost can be reduced, and 4K ultra-high-definition fluorescent laparoscopic imaging can be realized at the same time.

The invention discloses an endoscope view scene reconstruction method, device, equipment and medium, and relates to the technical field of visual image processing, and the method designs a new inter-frame attitude estimation module through an original laparoscope video stream image and learning and optimizing Gaussian rasterization variational gradient so as to carry out accurate micro attitude estimation. Based on differential gradient field optimization, a new dynamic Gaussian growth strategy is designed for performing new Gaussian synthesis in a constrained endoscope view. By combining the two modules, a novel 3D Gaussian training architecture with forward reconstruction and backward optimization strategies is provided, and is used for sequentially generating Gaussian models and solving the limitation of SfM prior. The improved relative attitude estimation and the new Gaussian growth strategy bring better new view synthesis quality and geometric reconstruction of an organ tissue model under the field of view of the laparoscope.

The utility model discloses a multi-angle suture needle holder for a pleuroperitoneoscope, which relates to the technical field of medical instruments, solves the technical problem that an existing device is not easy to operate by a single hand and is inconvenient to use, and comprises a first handpiece, a second handpiece, a first needle holding rod, a second needle holding rod and a first needle holding clamp, the first needle holding rod is in sliding connection with the second needle holding rod, one end of the first handpiece and one end of the second handpiece are hinged to one end of the first needle holding rod and one end of the second needle holding rod, the other end of the first needle holding rod is connected with a first needle holding clamp, the other end of the second needle holding rod is connected with a second needle holding clamp, and the lower end of the first needle holding clamp is hinged to the upper end of the second needle holding clamp. The single-hand needle holding device has the advantages that the single-hand needle holding device can be operated by one hand, and the single-hand needle holding device is convenient to use and the like.

The invention discloses an achromatic fluorescence laparoscope optical system, which consists of an endoscope group and an eyepiece. The endoscope group consists of an objective lens with positive optical power and a rod lens group with positive optical power. The objective lens consists of a first objective lens group and a second objective lens group. The second objective lens group includes a first cemented lens and a second cemented lens. The system has the advantages that by reasonably arranging the optical power distribution of the lens, the use requirements can be met, and it is ensured that the endoscope group can adjust the visible light and fluorescence states at any time when in use without additional debugging, and a margin is reserved for the rod lens group of subsequent image transfer; at the same time, by reasonably arranging the optical power distribution of the lens and the design of the cemented lens, and appropriately controlling the length of the objective lens, the light can be smoothly propagated in the objective lens, the sensitivity of the lens can be reduced, the direction of the light beam can be adjusted, the chromatic aberration caused by the visible light and fluorescence bands can be suppressed, the aberration can be corrected, and the imaging quality can be improved.

A 90-degree beam splitting method using prisms. Current rigid optical 3D systems employ dual-lens (rigid optical endoscopes contain two independent optical paths to propagate two beams of light) or dual-CMOS (cameras contain two image sensors, each receiving one beam of light to form an image) solutions, which are complex in structure, high in cost, and limited in size. This method uses two sets of specific prisms at the exit pupil position of rigid optical endoscopes (such as thoracoscopes, laparoscopes, neuroendoscopes, etc.) to split the emitted light into two sub-beams. Due to the characteristics of the exit pupil position, each of these two beams can form a complete image, and these two images include parallax, meaning single-beam 3D imaging is possible. This technical solution has a simple structure, low cost, and can be made smaller.

The present invention discloses a three-dimensional laparoscope with high assembly stability, which relates to the technical field of endoscopes. The three-dimensional laparoscope with high assembly stability comprises: an outer tube; an optical path tube, wherein the optical path tube has an optical system, and the optical path tube is wrapped in the outer tube; and a connector, wherein the connector is arranged on the optical path tube at intervals, and the connector confines the optical path tube in the outer tube by glue, and the connector comprises a supporting plate, and the supporting plate has an optical path hole for accommodating the optical path tube. The three-dimensional laparoscope with high assembly stability fixes the optical path tube to the inside of the outer tube by the connectors arranged at intervals, and only glue is needed to fix the connector to the inside of the outer tube. This method not only limits the movement of the optical path tube due to the small gap between the connector and the outer tube, thereby ensuring the stability of the optical system, but also can conveniently separate the outer tube and the connector during rework, thereby facilitating maintenance.

Page 32 of 32 20896491_1 (GHMatters) P112284.AU.1 Abstract A system for training surgical camera navigation skills is provided. A plurality of two-dimensional targets is printed on an upper surface of a flat sheet of material. The sheet is easily transportable and placed onto a base of a typical box trainer that defines a simulated abdominal cavity between the base and a top. A scope is inserted through a port in the top and the targets are viewed on a live video feed displayed to a trainee on a screen with the targets being otherwise obscured from view by the box trainer. The trainee can move the scope back and forth, roll and angulate the scope about the port in order to view the targets on the sheet at different angles and distances. The trainee is instructed to follow a sequence of targets marked on the sheet and manipulate the scope to align consecutively each target with the edges of the screen in the sequence provided. Abstract A system for training surgical camera navigation skills is provided. A plurality of two-dimensional targets is printed on an upper surface of a flat sheet of material. The sheet is easily transportable and placed onto a base of a typical box trainer that defines a simulated abdominal cavity between the base and a top. A scope is inserted through a port in the top and the targets are viewed on a live video feed displayed to a trainee on a screen with the targets being otherwise obscured from view by the box trainer. The trainee can move the scope back and forth, roll and angulate the scope about the port in order to view the targets on the sheet at different angles and distances. The trainee is instructed to follow a sequence of targets marked on the sheet and manipulate the scope to align consecutively each target with the edges of the screen in the sequence provided. Page 32 of 32 20896491_1 (GHMatters) P112284.AU.1 20 24 20 38 94 07 J un 2 02 4 A b s t r a c t 2 0 2 4 2 0 3 8 9 4 0 7 J u n 2 0 2 4

The invention discloses a 3D (three-dimensional) electronic laparoscope sheath and a forming method thereof, and the 3D electronic laparoscope sheath comprises a lens which is formed by combining an endoscope and a stacked film layer; and the sheath head is used for separating the lens from the tail end of the mirror. Forming a sheath tube protection structure based on a mirror structure; a coating film is overlaid at the tail end of the mirror to protect the imaging effect; based on the film coating structure, a sheath head is added into the sheath tube to form a mirror lens protection structure; and analyzing the stress state among the sheath tube, the sheath head and the mirror to confirm the combination condition. Through a reasonable process mode, a stable mirror sheath sleeve structure is formed, the function of protecting the mirror is achieved, the visual field of a doctor is clear, and meanwhile the reuse efficiency and the overall sanitary effect of the electronic peritoneal mirror are improved.

The invention discloses a method for non-overlapping imaging when a single path of incident light forms a plurality of images. A lens S is added between an optical hard lens (such as a thoracoscope, a laparoscope, a neuroendoscope and other medical optical endoscopes) and an optical adapter (such as an optical adapter of an endoscope camera system), the lens S divides incident light into two paths of light at the exit pupil position of the optical hard lens, and the two paths of light are transmitted into the optical adapter after being processed. The emergent light of the optical adapter can form two images on an image sensor (such as an image sensor in a camera of an endoscope camera system). When the two images are overlapped, a shutter is placed in a light path, or polaroids are placed on the surface of the image sensor and in the light path, so that the two images are not overlapped.

A lens for splitting incident light into multiple light rays and forming multiple images after exiting. Medical rigid optical endoscope systems usually can only form one image. A special lens S is used to replace the original optical adapter between the optical rigid scope (such as: thoracoscope, laparoscope, neuroendoscope, etc. medical optical endoscope) and the camera (such as: the camera of the endoscope camera system). The lens S splits the incident light of the optical rigid scope at the exit pupil position into two light rays, and after processing the two light rays independently, two images can be formed directly on the image sensor (such as: the image sensor in the camera of the endoscope camera system).

The utility model discloses a laparoscope bacteria-isolating sleeve which comprises a laparoscope rod sleeve matched with a laparoscope rod, a laparoscope handle sleeve matched with a laparoscope handle and an optical fiber sleeve matched with an optical fiber, the laparoscope rod sleeve and the laparoscope handle sleeve are integrally manufactured, a first air bag is arranged on the inner side of the laparoscope rod sleeve and the inner side of the laparoscope handle sleeve, and a second air bag is arranged on the inner side of the optical fiber sleeve. The mirror handle sleeve and the optical fiber sleeve are detachably connected through a threaded connector, a corrugated pipe section is arranged in the middle of the mirror rod sleeve, a first anti-slipping piece is arranged at the front end of the mirror rod sleeve, and a second anti-slipping piece is arranged at the rear end of the mirror rod sleeve. The first air bags capable of being inflated and deflated are arranged on the inner side of the endoscope rod sleeve and the inner side of the endoscope handle sleeve, and the second air bags capable of being inflated and deflated are arranged on the inner side of the optical fiber sleeve, so that before installation, the first air bags and the second air bags can be deflated, and the inner sides of the endoscope rod sleeve, the endoscope handle sleeve and the optical fiber sleeve have large spaces; therefore, the mirror rod sleeve, the mirror handle sleeve and the optical fiber sleeve can be conveniently sleeved on the mirror rod, the mirror handle and the optical fiber, friction between the mirror rod sleeve, the mirror handle sleeve and the optical fiber sleeve and the mirror rod, the mirror handle and the optical fiber is greatly reduced, and abrasion is reduced.

The utility model discloses a ureter endoscope cold light source which comprises an endoscope body, a first cold light source and an endoscope tube body are arranged on one side of the endoscope body, a first light guide optical fiber is fixedly arranged in the middle of the inside of the endoscope tube body, a second light guide optical fiber is sleeved on the outer side of the first light guide optical fiber in a sliding mode, and a second cold light source is arranged inside the second light guide optical fiber. The second light guide optical fiber is sleeved on the outer side of the first light guide optical fiber in a sliding mode, the illumination color of the second cold light source is different from that of the first cold light source at one end of the first light guide optical fiber, and a push-pull wire is arranged at one end of the second light guide optical fiber. The first light guide optical fiber emits light through the whole body, the ureter walking path, the calculus position or the focus position of a patient can be visually seen under a laparoscope, then the second light guide optical fiber is moved to the side of an affected part through the push-pull wire, and therefore the purpose of accurate positioning can be achieved, and treatment efficiency can be improved.

The invention belongs to the technical field of laparoscopes, and particularly relates to endoscope equipment capable of controllably releasing a hernia repair patch, and the endoscope equipment comprises a handheld part which is used for being held by a doctor; one end of the long-strip-shaped optical sight glass is fixedly arranged in the handheld part in a penetrating mode; the conveying mechanism is movably arranged on the optical sight glass in a sleeving manner; the conveying mechanism comprises a driving frame, wherein one end of the driving frame is movably arranged on the optical sight glass in a sleeving mode; and the sealing plate is fixedly arranged on the inner wall of the other end of the driving frame. The planetary rods surround the periphery of the optical sight glass, the rubber strips spirally surround the peripheries of the planetary rods, and when the rubber strips synchronously rotate, the surfaces of the rubber strips rub the optical sight glass to drive the optical sight glass to move; the rotating angles of the rubber strips are in direct proportion to the moving distance of the optical sight glass, and by accurately adjusting the rotating angles of the rubber strips, the advantage that the optical sight glass moves accurately is achieved.

The invention provides a method for optimizing the exposure effect of an endoscope based on color features, and the method comprises the steps: embedding a multi-scale color feature pyramid in an encoder-decoder structure to distinguish and represent different exposure regions, and applying different convolution kernels to the color features of different scales, according to the method, the region recognition capability of an encoder-decoder structure is improved, efficient multi-scale attention is introduced, and the calculation overhead is reduced while the feature extraction quality is improved. In order to adaptively restore the exposure level of the image, the method adopts a Retinex algorithm to perform double-branch enhancement on the image. According to the method, on a laparoscope overexposure data set, the PNSR index reaches 21.06; the NIQE index on a real laryngoscope data set reaches 41.79, which is superior to that of other existing methods. The method provides a new thought for the development of a low-quality endoscope image enhancement method.

The utility model relates to an objective optical system of a 4K fluorescent endoscope, which is characterized in that the objective optical system is integrally of a reverse long-distance structure and comprises a sapphire protection lens, a negative-focal-power lens, a prism or a steering prism, a positive-focal-power plano-convex cemented lens, a positive-focal-power triple cemented lens and a positive-focal-power doublet lens which are arranged along the light propagation direction, the plane or convex surface on one side of the negative-focal-power lens is positioned on one side of the sapphire protection lens, and the concave surface on the other side of the negative-focal-power lens and the two sides of the prism or the steering prism are respectively glued with the other side of the negative-focal-power lens and the plane of the positive-focal-power plano-convex glued lens; the convex surface of the positive-focal-power plano-convex cemented lens is located on one side of the convex surface of the positive-focal-power triple cemented lens, and the plane of the positive-focal-power triple cemented lens is located on one side of the convex surface of the positive-focal-power double cemented lens. According to the utility model, the field curvature, the vertical axis chromatic aberration and the distortion of the whole endoscope system are well corrected, the stray light is reduced, and the objective lens requirement of the 4K-resolution fluorescent laparoscope can be met.

1. The name of the design product: endoscope main machine (integrated design). 2. The use of the design product: endoscope main machine for laparoscopic minimally invasive surgery compatible with soft and hard scopes and light source integration and rapid heat dissipation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention provides a three-dimensional reconstruction optical navigation method and a three-dimensional reconstruction optical navigation device for an electronic choledochoscope. The navigation method specifically comprises the following steps: S1, extracting a satisfactory MRCP image of a patient from a clinical case library, and carrying out deep processing and data annotation; s2, the marked data are imported into a liver and gall three-dimensional reconstruction system, and the liver, a bile duct tree and calculi are reconstructed; s3, calculating the shortest and safest three-dimensional channel from a laparoscopic bile duct incision or a skin needle insertion point to the bile duct by taking the target calculus bile duct as an end point; s4, inserting the marked choledochoscope into the bile duct; s5, entering a double-image fusion navigation mode; s6, puncturing is carried out until the endoscope tip accurately reaches the position of the target bile duct calculus; and the like. The intrahepatic target bile duct and calculus parts can be locked and marked before an operation, the three-dimensional map is reconstructed, the choledochoscope is guided to quickly enter the target bile duct by using the synchronous and real-time three-dimensional map after entering the intrahepatic bile duct, and the operation and calculus removal efficiency is improved.

Augmented reality applications require precise camera calibration to reduce the overall target registration errors. The camera calibration determines the mathematical model of the camera in order to determine how the physical world space is mapped to the camera image space and thus is highly dependent on the optics of the camera. The camera calibration algorithm normally assumes that the optics of the camera is rigidly fixed, which in fact is not at least for tilted laparoscopic cameras as illustrated in FIGS. 6 to 8. Furthermore, any mechanical play between elements of the objective and the image converter will render the optics variable. According to the invention markers to will be placed within the field of view of the laparoscopic camera, which allows for determination of rotation of the optical part and mechanical misalignment without the necessity or providing any additional sensor.

Compression anastomosis devices having a plurality of distinct pressure profile zones on the surface of the device. The anastomosis devices may be comprised of a plurality of magnetic connecting members arranged in an annular geometry, e.g., a polygon or circle. The anastomosis device may also be a continuous, non-segmented magnet, or other compression anastomosis device. The compression anastomosis device is deployed into a body lumen, e.g., endoscopically and / or laparoscopically, at a target site. A second compression anastomosis device is placed at an adjacent target site in an adjacent lumen. The compression anastomosis devices are brought together and mate, e.g., magnetically, creating an anastomosis.

The invention discloses a lens capable of forming multiple images by single-path incident light. A lens S is added between an optical hard lens (such as a thoracoscope, a laparoscope, a neuroendoscope and other medical optical endoscopes) and an optical adapter (such as an optical adapter of an endoscope camera system), the lens S divides incident light into two paths of light at the exit pupil position of the optical hard lens, and the two paths of light are transmitted into the optical adapter after being processed. The emergent light of the optical adapter can form two images on an image sensor (such as an image sensor in a camera of an endoscope camera system).

The invention belongs to the technical field of sights for firearms, and particularly discloses an infrared and red dot fused sighting telescope which is characterized in that a telescope body is provided with a main telescope cavity, the lower part of the telescope body is provided with a peritoneoscope cavity, and a collimating mirror is fixed in the main telescope cavity; the spectroscope seat is arranged at the rear end of the peritoneoscope cavity and is provided with a mounting groove I and a mounting groove II; the spectroscope is fixed in the mounting groove I; the light source fixing seat is arranged in the peritoneoscope cavity in front of the spectroscope seat and is connected with the spectroscope seat or the connecting seat; the red dot light source and the micro display are respectively fixed on the spectroscope light source fixing seat and the mounting groove II; the infrared night vision assembly is fixed on one side of the mirror body and is electrically connected with the micro display, an image emitted by the micro display and a light source signal emitted by the red point light source form a first light beam and a second light beam which are overlapped through the spectroscope, and the overlapped light beam enters the collimating mirror to be collimated and then is reflected to enter the eye along the main mirror cavity; and the micro display, the red dot light source and the infrared night vision assembly are electrically connected with the power supply or the power supply interface. The invention has the characteristics of compact structure, day and night availability, high light transmittance, stability and reliability.

The present invention relates to a stereoscopic fluorescence endoscope secondary optical magnification and image relay system based on a dual optical path design. The optical system increases the optical axis spacing of a conventional dual optical path laparoscope from 4-5mm to more than 10mm through a secondary image relay magnification design, and ensures that the image quality is not lost while magnifying the image surface. The relay system includes a first-stage image relay magnification group, a steering prism group, and a second-stage image relay magnification group. For any optical path system, the endoscope imaging optical system divides the imaging light channel into a visible light channel and a near-infrared fluorescence channel. This system can increase the optical axis spacing of the existing dual optical path laparoscope to a reasonable size through the design of a secondary optical magnification and image relay system, so as to solve the problem that the existing camera system is too large and cannot realize the synchronous camera of the dual optical path laparoscope.

The utility model discloses a triple zoom endoscope bayonet lens, which relates to the technical field of endoscopes and comprises a front fixing group, a zoom group and a rear fixing group. The front fixing group, the zooming group and the rear fixing group are arranged in parallel along the same axial direction; the zooming group is located between the front fixing group and the rear fixing group, and the zooming group is movably arranged between the front fixing group and the rear fixing group. The utility model provides a zoom bayonet lens capable of realizing continuous change of focal length in a range of 20mm to 60mm, which can be simultaneously adapted to laparoscopes with larger calibers and endoscopes such as paranasal sinoscopes, arthroscopes, otoscopes and the like with smaller calibers in the market, and locally magnifies observation details through zooming in the use process, the imaging area covers the whole receiver, and the imaging effect is good. And diagnosis and treatment of doctors are facilitated.

An imaging system (1) is provided, comprising: an optical channel (2) configured to transfer light, a first sensor (10) configured to generate first image data by imaging an object (3) along a first optical path (11), and a second sensor (20) configured to generate second image data by imaging the object (3) along a second optical path (21). The first sensor (10) and the second sensor (20) are focus shifted. Further, the first optical path (11) and the second optical path (21) are guided at least partly through the optical channel (3).

The invention discloses an endoscope system adopting an RGB + NIR single sensor and having a hemodialysis and fog penetration function, and relates to the technical field of medical imaging, the endoscope system comprises a handle, the left end of the handle is connected with an endoscope tube body, and an optical lens, an image sensor and an image processing circuit are installed in the handle or the endoscope tube body; the image sensor adopts a CMOS image sensor of a monolithic integrated visible light (RGB) and near-infrared (NIR) light sensing unit, and a visible light image and a near-infrared image can be obtained at the same time; the installation of the optical lens, the image sensor and the image processing circuit has two implementation structures: 1, in an optical endoscope scheme, the optical lens, the image sensor and the image processing circuit are installed inside the handle, and the endoscope tube body transmits an optical image into the handle; 2, in the scheme of the electronic endoscope, the optical lens and the image sensor are arranged at the front end in the endoscope tube body, direct imaging is carried out in the body, and the image processing circuit is arranged in the handle; the image processing circuit fuses the visible light image and the near-infrared image, a fusion algorithm dynamically adjusts RGB and NIR signal weights according to an operation scene, and high-contrast clear imaging is achieved in a bleeding, smog or liquid medium environment. The endoscope adopting the RGB + NIR single sensor and having the hemodialysis and fog penetration functions is suitable for minimally invasive surgery scenes such as a thoracoscope, a laparoscope and an arthroscope.

A navigation device, adapter or system for real time three-dimensional (3D) depth sensing through endoscope, a laparoscope, an arthroscope, a cystoscope, a ureteroscope, a bronchoscope, a sinuscope, and a borescope devices. The navigation devices or systems can include a modular, releasable adapter that enables LiDAR or other optical time-of-flight sensor with the devices. The devices, adapters or systems are operable to generate sub-millimeter precision reconstructions of the viewed surfaces and can register the surfaces to scans, such as preoperative scans, to facilitate accurate, image-guided procedures, particularly those procedures involving precise actions, such as surgical procedures performed on rigid anatomy. Applications include surgical guidance, augmented reality visualization, distance-based signal normalization, 3D measurement, luminal traversal tracking, and robotic control, all using off-the shelf endoscopes and surgical cameras as well as borescopes. The time-of-flight sensor may be sensitive to a subrange of visible light such that the system readily supports simultaneous acquisition of visible light imaging, fluorescence, and depth data, with calibration workflows for wide field of view optics and adaptive software control of focus, illumination, and display rendering.