52 results about "Abdominal wall" patented technology

The invention provides a transgastric laparoscopic surgery puncture outfit with anti-slip and fixing functions, which overcomes the surgery difficulties that a traditional puncture outfit cannot puncture into a gastral cavity, the gastral cavity cannot be tightly attached to an abdominal wall after puncture, and contents in the stomach easily flow back into an abdominal cavity through the puncture outfit to cause pollution and the like, and the puncture outfit enables the new technical surgery process to be more simplified, safer and more effective. Comprising a cannula assembly and a puncture assembly, the cannula assembly comprises a cannula seat and a cannula arranged at one end of the cannula seat, the puncture assembly comprises a puncture handle and a puncture needle arranged at one end of the puncture handle, and the puncture needle penetrates through the cannula in a sliding mode. The phenomenon that the cannula slides out of the gastral cavity, and the stomach and other visceral organs and blood vessels of a patient are injured due to repeated puncture can be effectively avoided, the situation that the whole puncture outfit is taken out when the instrument is pulled outwards is avoided, it is guaranteed that the percutaneous laparoscopic surgery is conducted smoothly, and the pain of the patient is relieved; the structure is simple, operation is convenient, time and labor are saved, and the protective fixing effect and the operation efficiency of the cannula are improved; the skin incision can be pulled, and the fixing effect is improved.

An inflation-free single-port laparoscope abdominal wall fixing device comprises a fixing plate, a handle is arranged on the rear side of the fixing plate, the handle gradually inclines upwards, an operation hole is formed in the fixing plate, connecting plates are arranged on the left inner side and the right inner side in the operation hole respectively, the connecting plates are connected with the fixing plate through an adjusting device, and the adjusting device is connected with the fixing plate. A connecting plate is arranged on the handle, a side drag hook is arranged below the connecting plate, a suction tube is arranged on the handle, a connector is arranged at one end of the suction tube, the connector is connected with a negative pressure suction device, a flat tube which is bent downwards is arranged at the other end of the suction tube, one side of the flat tube is connected with the fixing plate in a welded mode, and suction holes which are communicated with each other are formed in the flat tube and the suction tube. The flat tube can be used as a suction tube to suck smoke and water mist generated in the abdominal cavity during an operation, and can also be used as a drag hook structure on the rear side to tension and support the rear side abdominal wall of an abdominal incision of a human body, the rear drag hook structure is replaced by the flat tube, and the suction tube does not interfere with the scalpel.

The invention discloses an MAP scoring method and device based on kidney three-dimensional modeling, and belongs to the field of medical image processing. The method comprises the following steps: acquiring kidney medical image data, wherein the kidney medical image data comprises kidney CT image data; preprocessing the kidney medical image data; generating a complete kidney three-dimensional model based on the kidney medical image data; calculating the centroid positions of all voxels in the renal vein three-dimensional model, and taking the Z coordinate of the centroid as a standard measurement plane; identifying an anatomical region needing to be measured on the standard measurement plane based on a deep learning segmentation model; extracting an outer contour of the kidney based on the kidney three-dimensional model, determining a posterior abdominal wall contour based on the front edge of the lumbar major muscle, and calculating the shortest distance between the outer contour of the kidney and the posterior abdominal wall contour; and determining a perirenal fat region, enhancing the strip-shaped structure by using a multi-scale filter, and calculating the proportion of the strip-shaped structure in the perirenal fat region. According to the invention, objective quantitative evaluation of perirenal fat adhesion risk is realized.

The abdominal wall retractor for the observation hole of the laparoscope comprises a first retraction arm and a second retraction arm, the first retraction arm and the second retraction arm are hinged through a hinged shaft, and the first retraction arm comprises a first retraction arm front section, a first retraction arm middle section and a first retraction arm rear section. The end part of the rear section of the first retraction arm is fixedly connected with a first operation ring; the second retraction arm comprises a second retraction arm front section, a second retraction arm middle section and a second retraction arm rear section, the end part of the second retraction arm rear section is fixedly connected with a second operation ring, and the end part of the first retraction arm front section is movably connected with a first retraction rod and a second retraction rod; and the end part of the front section of the second retracting arm is movably connected with a third retracting rod and a fourth retracting rod. The utility model has the beneficial effects that the abdominal wall of the observation hole and the subcutaneous fat layer can be expanded, and the anterior sheath layer and the peritoneal layer can be better exposed, so that the peritoneal layer and the anterior sheath layer can be better sutured under direct vision, related complications of a puncture hole are avoided, the use is safe and reliable, and the operation time of medical personnel is saved.

The utility model discloses a peritoneal dialysis indwelling catheter fixing line guiding device, which relates to the technical field of medical instruments and comprises a handle, and the outer part of the handle is connected with a moving block in a sliding manner; a puncture needle head is slidably connected into the blunt needle head, and a threading hole is formed in the blunt needle head; one end of the bent rod needle is fixedly connected with the handle, and the other end is fixedly connected with the blunt needle head; the flexible steel cable is slidably connected into the bent rod needle, one end of the flexible steel cable is connected with the moving block, and the other end of the flexible steel cable is connected with the puncture needle head. According to the peritoneal dialysis indwelling catheter, the guide device penetrates through the abdominal wall from the inside of the abdominal cavity to guide the fixing line, the effect of reducing the wound of an opening is achieved, meanwhile, the indwelling catheter position is rapidly fixed, the problem that an existing peritoneal dialysis indwelling catheter is prone to drifting and shifting is solved, and when puncture is not carried out, the puncture needle is shrunk inside the blunt needle, so that the puncture needle is not damaged. The guide device is simple in design, convenient to operate, stable, reliable and high in practicability.

To provide a method for estimating a liver volume, capable of easily and inexpensively acquiring the liver volume.SOLUTION: A method for estimating a liver volume using a plurality of cross-sectional images obtained by computed tomography or nuclear magnetic resonance imaging, the method includes the steps of: selecting, from the plurality of cross-sectional images showing the liver, a first image with a longest first length, the length in the anteroposterior direction between the ventral surface of the liver and a prescribed point on the vertebra, a second image, the cross-sectional image closest to head side, and a third image, the cross-sectional image closest to the foot side; and calculating the liver volume using the first length in the first image, a second length, the maximum length in a left-right direction between left and right abdominal walls in the first image, and a third length, the length in a vertical direction between a cross-section corresponding to the second image and a cross-section corresponding to the third image.SELECTED DRAWING: Figure 1

The invention discloses a pressurizing flushing device for hyperthermic intraperitoneal perfusion chemotherapy, and relates to the technical field of medical instruments. Comprising a puncture catheter and a multidirectional flow guide nozzle, the puncture catheter comprises a catheter body, multiple sets of supporting cavities are formed in the catheter body in the length direction, the supporting cavities are communicated through second air inlet channels, and the supporting cavities are of an arc-shaped structure; the end part of the guide pipe body is connected with a multidirectional flow guide nozzle; one end of the nozzle main body is connected with a drainage guide pipe; the drainage catheter is used for connecting a chemotherapy pump machine; the nozzle body comprises a sprayer and a connecting pipe. The other end of the connecting pipe is connected with the drainage catheter; a plurality of through holes are formed in the spray head; and a rotor is rotationally arranged in the connecting pipe. The catheter is prevented from being bent and collapsed under the action of external force such as extrusion of visceral organs in the abdominal cavity and body position change, and it is ensured that a liquid medicine conveying channel is smooth; in addition, the contact uniformity of the liquid medicine and the abdominal cavity wall, especially the peritoneal micro transfer focus, is obviously improved.

The utility model is applicable to the technical field of medical treatment, and provides a pneumoperitoneum establishing device capable of being clamped and stretched, which comprises a mounting frame, the two placing frames are arranged on the mounting frame; the two first telescopic rods are fixedly mounted on the two placing frames respectively; the two connecting frames are respectively arranged on output shafts of the two first telescopic rods; the two clamping mechanisms are assembled on the two connecting frames respectively, and the clamping mechanisms are used for clamping the abdominal wall of a patient when pneumoperitoneum is established for the patient; the pneumoperitoneum needle is arranged on one side of the mounting frame, the pneumoperitoneum needle is used for establishing pneumoperitoneum for a patient, and a connecting pipe is arranged on the pneumoperitoneum needle; and the adjusting mechanisms are assembled on the mounting frame and the two placing frames. According to the pneumoperitoneum establishing device capable of being clamped and stretched, a patient can be helped to establish pneumoperitoneum, the abdominal walls on the two sides of the patient can be clamped and stretched conveniently and rapidly, and convenience is provided for medical staff.

The utility model generally relates to the technical field of medical instruments, in particular to a laparoscope liver lifting device which comprises an air bag seat, an air pipe and an air bag column. One end of the air pipe is connected with the airbag seat; the multiple air bag columns are arranged on the air bag seat, and the air bag columns communicate with the air bag seat. The air bag seat and the air bag column can be compressed in a non-inflated state so as to enter a body through a minimally invasive wound of a patient; the air bag seat and the air bag column can support the liver in an inflation state, a certain space is formed between the liver and the abdominal wall, the abdominal wall moves upwards under the minimally invasive pneumoperitoneum condition, the space is increased, the air bag seat abuts against the abdominal wall, the air bag column is located under the liver, along with the increase of the inflation amount, the weight of the liver acts on the air bag column on one hand and acts on the air bag seat on the other hand, and the placement stability is improved; moreover, gaps exist between the air bag columns, a good operation space is provided, an ultrasonic knife, operating forceps and the like can directly penetrate through the air bag columns conveniently, and operation is facilitated.

The trocar assembly comprises a head, a long tubular structure having an open distal end and an open proximal end, a fixed cutting component combining a large cutter with two sharp lateral blades and a centrally located non-cutting soft end extending through the open distal end of the tubular structure, and a movable cutter safety case configured to extend through the open distal end of the tubular structure to cover the fixed cutting component and to retract from the open distal end to expose the fixed cutting component. When pressure is applied proximal to the cutter safety case, a large incision is formed in the fascia, the abdominal wall is penetrated, the reaction pressure from the abdominal wall is released, and the body cavity is safely reached.

The invention relates to the technical field of medical tools, in particular to a child single-cavity intestine fistulization assembly and a using method thereof.The child single-cavity intestine fistulization assembly comprises a base and a channel tube, the base comprises a base fixedly connected with the abdominal wall and the channel tube, and a channel in the channel tube penetrates through the base; a puncture outfit; and the annular air bag can be tightly supported in the channel pipe when the annular air bag is filled with air. During use, the base is fixed on the abdominal wall, so that the intestinal tube can be prevented from retracting and falling off, meanwhile, the intestinal tube is fixed in the channel tube of the base through the annular air bag, the intestinal tube is prevented from retracting, the stress area of the intestinal tube is increased, damage to the intestinal tube is reduced, and the middle of the annular air bag can still serve as a discharging channel of intestinal contents. The whole process does not need suture, so that the technical difficulty of surgical operation is greatly reduced, the damage risk of the intestinal canal is reduced, and the surgical efficiency is improved.

A trocar assembly includes a head; an elongated tubular structure, having an open proximal end and an open distal end; a stationary cutting component, incorporating a large cutter having two sharp side-blades and a centrally disposed non-cutting soft tip that extends through the open distal end of the tubular structure; and a protection assembly, actuated via a compression spring, comprising a moveable cutter safety casing that extends through the open distal end of the tubular structure to cover the stationary cutting component and retracts from the open distal end to reveal the stationary cutting component. As proximally exerted pressure is applied to the cutter safety casing, a large incision is made in the fascia and the abdominal wall is penetrated, whereby the counter-pressure from the abdominal wall is released and a body cavity is reached safely.

The utility model discloses a disposable abdominal wall drainage ostomy bag, which relates to the field of medical appliances, and comprises a drainage bag main body, a drainage tube, a connecting mechanism and an anti-regurgitation mechanism, the connecting mechanism is used for connecting the drainage bag main body with an orificium fistulae position of a patient, and the anti-regurgitation mechanism is used for preventing seepage of the drainage bag main body. One end of the drainage tube penetrates through the inner cavity of the mounting hole and penetrates out of the fixing opening, the drainage tube is extruded and fixed through the fixing opening, the rubber base plate is attached to the skin of a fistula of a patient, the fistula is protected, seepage enters the inner cavity of the rubber base plate and downwards flows into the inner cavity of the drainage bag body, and therefore the fistula is protected. When the liquid flows downwards, the bottom of the valve is extruded and expanded, seepage downwards enters the inner cavity of the drainage bag body, and when the liquid in the drainage bag body flows out of the liquid inlet, the valve blocks the liquid, and the liquid is prevented from flowing back.

The utility model discloses a sewing-free anti-seepage peritoneal drainage tube which comprises a drainage tube body and further comprises a tube guiding mechanism, the tube guiding mechanism comprises a liquid suction tube part, a V-shaped notch, a rubber wrapping tube, a tube contracting part A, a tube contracting part B, a bent connecting tube, a hard tube, a rubber sealing plug and an air bag bag, and the tube body of the drainage tube body is provided with the tube guiding mechanism. When the drainage tube body carries the liquid suction tube part and the rubber wrapping tube to enter an abdominal cavity drainage position, the drainage tube mechanism can fully fill the rubber wrapping tube on the outer side of the drainage tube body with gas, so that the air bag wrapping position expands and protrudes to form a sphere-like air bag to form a retaining position in an abdominal wall drainage hole, and the drainage tube body can be prevented from slipping outwards; the problem of skin traction pain caused by suture fixing does not exist in the drainage tube body, the air bag bag protrusions are fully attached to tissue at the skin drainage wound, the fixing and leakage preventing effects are achieved, and the problem that the drainage tube body accidentally falls off is effectively solved.

The invention relates to an anti-reflux and anti-infection abdominal wall urine collection device which comprises a waistband, a connecting pipe, a drainage device, an extension pipe and a urine collection bag. A base is arranged on the waistband and provided with a through hole corresponding to a fistulization opening, one end of a connecting pipe is in threaded connection with the through hole, and the other end of the connecting pipe is in threaded connection with a drainage device. The position, close to the drainage device, of the connecting pipe is provided with a thread in a telescopic and tortuous mode, the inner wall of the connecting pipe is provided with a thread, and the thread is provided with an antibacterial coating. An anti-backflow device is arranged at the joint of the connecting pipe and the drainage device; one end of the extension tube is connected to the drainage device, and the other end is connected with the urine collection bag; a control device is arranged at the joint of the drainage device and the extension tube. The position, close to the drainage device, of the connecting pipe is tortuous, so that direct contact between the connecting pipe and air can be reduced; due to the arrangement of the antibacterial coating, the antibacterial capability can be enhanced; the anti-backflow device is arranged, so that urine can be discharged outwards in one direction; due to the arrangement of the extension tube, the urine collection bag can be fixed on the leg and is convenient to wear.

The present invention provides a surgical training device for training laparoscopic first entry surgical techniques. The training device includes a simulated abdominal wall that is penetrable with an optical trocar. A receptacle containing a tissue simulation is located inside the receptacle. The tissue simulation is observable via scope placed inside the optical trocar. Upon penetration of the one or more of the simulated abdominal wall and receptacle, the tissue simulation appears to translate distally relative to the simulated abdominal wall. The distal translation is effected by a variety of ways including the release of negative pressure inside the receptacle upon penetration and the expansion of an elastic wall of the receptacle with the introduction of fluid under pressure into the receptacle.

An adjusting device of an inflation-free single-hole laparoscope suspension frame comprises a fixing frame, a base rod is arranged on the fixing frame, a supporting rod is arranged at the upper end of the base rod, a suspension transverse rod is arranged on the supporting rod, an adjusting sliding block is arranged on the supporting rod, a longitudinal adjusting hole and a transverse adjusting hole are formed in the adjusting sliding block, the supporting rod penetrates through the longitudinal adjusting hole, and the supporting rod penetrates through the transverse adjusting hole. The suspension cross rod penetrates through the transverse adjusting hole, adjusting locking components are arranged on the outer walls, located in the longitudinal adjusting hole and the transverse adjusting hole, of the adjusting sliding block respectively, and the adjusting locking components penetrate through the adjusting sliding block to be matched with the supporting rod and the suspension cross rod. According to the abdominal wall fixing device, the hanging cross rod can be adjusted in the left-right transverse direction and the front-back longitudinal direction, so that the hanging roller shutter device hung on the hanging cross rod and the abdominal wall fixing device matched with the hanging roller shutter device can be adjusted in a larger range, the adjusting operation is convenient, the abdominal wall fixing device can adapt to patients of different body types, and the surgical requirements can be met.

The invention relates to an abdominal wall fat tissue minimally invasive biopsy and anesthesia integrated device and a using method and application thereof.The device comprises an anesthesia injection and fat sampling integrated sterile needle, the anesthesia injection and fat sampling integrated sterile needle comprises a puncture needle, a needle head connecting part, a compressible cavity and a pressing head which are sequentially connected, and the pressing head is provided with a connecting hole communicated with the compressible cavity; a detachable sealing piece is arranged at the top of the connecting hole, anesthesia injection is contained in the compressible cavity, and a sealing cover arranged on the outer side of an opening of the puncture needle in a sleeving mode is arranged at the bottom of the puncture needle. The device further comprises a surface anesthesia application, a miniature negative pressure pump, tweezers, a sample split charging small tube and a disinfection cotton swab. According to the device, the surface anesthesia application, the anesthesia injection and fat sampling integrated sterile needle are matched for use, so that the preparation is simple, and the fat tissue collection step is simplified; the related biopsy method adopts a minimally invasive technology, so that tissue damage and postoperative recovery time are reduced; the device can also be integrated into a kit for direct detection of adipose tissue.

The laparoscope incision sealing device comprises a cannula assembly, an air injection valve assembly and an incision sealing sleeve, a one-way channel allowing an instrument to be inserted from top to bottom is formed in the cannula assembly, the lower end of the cannula assembly is connected with the incision sealing sleeve, and the lower end of the incision sealing sleeve is provided with an opening. The one-way channel of the sleeve assembly is communicated with the opening in the lower end of the incision sealing sleeve, and the side wall of the sleeve assembly is connected with an air injection valve assembly. Through the arrangement of the incision sealing sleeve, the incision sealing sleeve can be used in cooperation with the incision protector in a laparoscope-assisted abdominal wall small incision operation, and when the incision sealing sleeve is used, the incision sealing sleeve is arranged on the incision protector in a sleeving mode to be connected in a sealed mode, so that the airtightness of an abdominal cavity is guaranteed when pneumoperitoneum is built again; the carbon dioxide gas injected into the abdominal cavity through the gas injection valve assembly is prevented from leaking.

The invention discloses application of a hydrogel microneedle capable of being implanted into an abdominal cavity in colorectal cancer abdominal wall infiltration focus, and relates to the field of medicine. The traditional Chinese medicine composition is applied to clinical treatment of rectal cancer abdominal wall infiltration lesions, and a mouse subcutaneous tumor model and the abdominal wall infiltration lesions are verified, and the specific application method comprises the following steps that 1, after a mouse is subjected to general anesthesia, the abdomen of the mouse is opened, and the position of the abdominal wall infiltration lesions is detected and determined; step 2, clamping the sterilized micro-needle sheet by using noninvasive forceps and feeding the sterilized micro-needle sheet into an abdominal cavity; 3, attaching the microneedle substrate to the surface of a focus under direct view, and pressing to enable the needle body to penetrate through the peritoneum; and 4, flushing with normal saline to confirm that the microneedle is fixed, withdrawing the instrument, and suturing the incision. The microneedle physically penetrates through the surface layer of the peritoneum, the medicine is directly delivered to the deep layer of an infiltrating focus, the problem of low efficiency caused by the peritoneum barrier in the traditional therapy is solved, and the GelMA / hyaluronic acid hydrogel is gradually swelled and degraded in body fluid, so that collagenase, a macrophage scavenger and an anti-tumor medicine are continuously released, and the local effective concentration can be maintained for more than two weeks.

A dual functioning instrument set, comprising a needle and guide, has not only the capabilities to enter and insufflate the abdominal cavity but also the ability of a suture passer to carry and retrieve suture for closure of the incision sites at the end of the procedure. The needle contains a deployable snare that is used to pass and retrieve suture. The guide is used to repeatedly locate the needle relative to the inner abdominal wall allowing for consistent placement of sutures. For insufflation purposes, obturator tips having different distal structures are provided for shielding the sharp needle tip after insertion through a body wall.

An ostomy device includes a base portion and an inflatable member. The portion includes a tubular body extending from a first end to a second end. The portion is sized, shaped, and configured to be received within an opening of an abdominal wall to connect an end of an intestine to the opening of the abdominal wall to form a stoma. The member is coupled to the portion. The member defines a hole extending therethrough. The hole is configured to receive a portion of an intestine proximate the stoma therethrough. In an operative configuration, the member movable between a deflated configuration, in which the stoma is maintained in an open position, and an inflated configuration, in which the member expands to decrease a size of the hole such that a radial inward pressure is applied to a portion of the intestine received therein to close the stoma.

The utility model relates to a leather bridge loop type ileum stoma drainage device, which belongs to the technical field of ileum stoma and comprises a collecting box, an air supply box and an abdominal wall, a connecting pipe is inserted in the right side of the collecting box, a connecting assembly is arranged on the outer side of the connecting pipe, and an observation box is fixedly communicated with the right side of the connecting pipe. The right side of the observation box fixedly communicates with a hose, the bottom of the air supply box communicates with an air outlet pipe, the right side of the air outlet pipe communicates with an air bag, and a locking assembly is arranged on the inner side of the air bag. According to the leather bridge loop type ileum stoma drainage device, through the arrangement of the connecting assembly, the collecting box and the connecting pipe can be disassembled easily, the device can be cleaned easily after being used, the use convenience of the device can be improved easily, through the arrangement of the locking assembly, adjustment between the air bag and the hose is achieved, and therefore the drainage requirements of different intestinal tracts are met; the use flexibility of the device is improved, and the whole device is convenient to clean, high in flexibility and convenient to use.

The invention relates to the technical field of human body models, and discloses a human body anatomical model which comprises a skeleton model, the skeleton model is externally covered with a three-layer structure, the three-layer structure comprises a first component, a second component and a third component from outside to inside, the first component sequentially displays anterior abdominal wall skin, superficial fascia and deep fascia from outside to inside, and the second component sequentially displays anterior abdominal wall skin, superficial fascia and deep fascia from outside to inside. The first component displays abdominal muscle, the second component displays abdominal muscle, the third component displays abdominal transverse fascia, the left layered structure is fixed, the right layered structure can be separated and movable, through gaps are formed in the second component and the third component, a groin pipeline is arranged in the gaps in a penetrating mode, and an LED lamp strip is arranged in the groin pipeline. According to the human anatomy model, through the model, structures of all layers can be freely displayed in a layered mode, walking of cavity gaps and contents can be displayed in a three-dimensional mode, and the position, two mouths, four walls and the contents of a groin canal can be clearly displayed through the LED lamp strips.

The utility model discloses a wound water-pumping spill-proof device, which comprises a water-pumping pipe with one end inserted into a wound of a patient and the other end exposed out of the wound of the patient and communicated with a pump body; the sticking limiting structure is clamped with the water pumping pipe and is stuck on the wound of the patient; the annular absorption structure is arranged in the pasting limiting structure, the outer surface of the pasting limiting structure is exposed, and the annular absorption structure abuts against the peripheral surface of the wound; the anti-tilting structure is arranged on the outer edge of the sticking limiting structure and can be accommodated on the sticking limiting structure; the extrusion type anti-overflow structure is arranged in the sticking limiting structure in a penetrating manner and is arranged on the peripheral surface of the water pumping pipe; the pipe body limiting structure is connected with the water pumping pipe in a clamped mode and connected with the pasting limiting structure. According to the utility model, the drainage reliability is high, the treatment comfort is improved, the traditional scheme of clamping and fixing the chest wall or the abdominal wall to prevent the guide tube from retreating is replaced, the tissue fluid is effectively prevented from overflowing, and the absorption and secondary blocking of the tissue fluid can be realized.

The invention relates to an expansion device for prostate surgery. The expansion device comprises at least one first distraction unit, a first mounting unit, a first holding unit, at least one pressing unit, a second mounting unit, a second holding unit and a first locking unit. The device has the advantages that the relative positions of the first holding unit and the second holding unit are locked through the first locking unit, so that the first holding unit and the second holding unit get close to open the first opening unit and the pressing unit, and the first ends of the first opening unit and the pressing unit are both arranged to be arc-shaped; the pressing unit is arranged to be of a structure longer than the first distraction unit and is specially used for the prostate surgery, so that during the surgery, the first distraction unit can be utilized to safely support the abdominal wall of a patient, the arc-shaped structure of the pressing unit is utilized to press the prostate tissue, and a clear working space is created in the abdominal cavity; and an operation channel is provided through the second holding unit, CO2 does not need to be charged to establish pneumoperitoneum, the expansion operation is simple, and great convenience is provided for prostate operation.

The present application can easily perform installation of a puncture needle guide adapter to an ultrasonic probe outside the abdominal cavity, and can easily confirm the installation state of the puncture needle guide adapter inside the abdominal cavity. Alternatively, insertion and extraction of the ultrasonic probe from a guide tube that passes through the abdominal wall can be smoothly performed. A puncture adapter (400) is detachably installed to a head (210) of a probe (200) outside the abdominal cavity. The puncture adapter (400) has a main body portion that covers a through hole for guiding a puncture needle, an insertion portion that is inserted into the through hole, and a needle guide hole that communicates with the main body portion and the insertion portion and guides the puncture needle inserted from a needle inlet portion of the main body portion to a needle inlet portion of the insertion portion.

This utility model proposes a trocar for laparoscopic surgery, relating to the field of trocar technology. It includes a trocar cone and a trocar cannula assembly. The trocar cone penetrates the trocar cannula assembly. The trocar cannula assembly includes a ventilation connector and a positioning cannula. One end of the positioning cannula is fixedly connected to and communicates with one end of the ventilation connector. The other end of the ventilation connector is detachably connected to the trocar cone. The other end of the positioning cannula is provided with an inflation-expansion blocking part, which communicates with the positioning cannula. This trocar for laparoscopic surgery can flexibly block the abdominal wall, effectively improving the airtightness of the trocar cannula fixed to the patient's abdominal wall.

The present invention discloses a non-inflation laparoscopic suspension surgery device, which mainly includes a suspension frame fixture, a lower vertical rod, an upper vertical rod, a suspension arm outer tube, a suspension telescopic arm, a crossbar arm, and a toothed lifting and pulling rod. The present invention is a device related to abdominal wall and chest lifting, which is mainly suitable for non-inflation laparoscopic suspension surgery; various lifting and pulling surgical instruments can be freely adjusted and connected according to surgical needs, the operation is simple and efficient, the lifting and pulling size is controllable, the structure is stable and reliable, and the surgical efficiency is improved.