210 results about "Abdomen wall" patented technology

The utility model relates to the technical field of hole pricking sealers, in particular to an expanding and contracting type abdominal wall hole pricking sealer and a conveyor of the expanding and contracting type abdominal wall hole pricking sealer. The device comprises a lifting rod, the lower end of the lifting rod is connected with a closed disc in a clamped mode, the closed disc comprises a fixed disc and a movable disc which are arranged in a left-right corresponding mode, and a movable disc sliding table is arranged on the side, facing the movable disc, of the fixed disc and connected with the movable disc in a sliding mode; the lower end face of the movable disc makes contact with the upper end face of the movable disc sliding table and can slide towards one side of the fixed disc along the movable disc sliding table to make contact with the side face of the movable disc, the fixed disc and the movable disc are arranged on the left side and the right side of the lower end of the lifting rod respectively, and multiple barb nails are vertically arranged on the upper end face of the fixed disc and the upper end face of the movable disc. According to the adjustable sealing disc, the stamp hole of an incision line can be tightened tightly, the stamp hole is in a tension-free state during healing, the closing tightness of the stamp hole is enhanced, the bleeding amount of the stamp hole is reduced, the healing effect of the stamp hole is improved, and the situation of stamp hole hernia caused by untight closing of the stamp hole is avoided.

The utility model relates to the technical field of hole pricking sealers, in particular to an abdominal wall hole pricking sealer and a conveyor of the abdominal wall hole pricking sealer. The device comprises a closing disc and a lifting rod, the lower end of the lifting rod is detachably connected with the center of the closing disc, the lifting rod is perpendicular to the upper and lower end faces of the closing disc, and the lifting rod can lift and operate the closing disc; a plurality of barb nails are fixed to the upper end face of the closing disc, a vertically-through locking hole is formed in the center of the closing disc, the lower end of the lifting rod is connected with a locking block, the shape of the locking block is matched with that of the locking hole, the upper end face of the locking block is attached to the lower end face of the closing disc, and the locking block and the locking hole are arranged in a staggered mode in the circumferential direction. According to the utility model, the pricking hole closing operation can be simply and reliably completed, and the difficulty that needle sewing in a small pricking hole is difficult and time-consuming is solved; meanwhile, the stab hole can be in a tension-free state during healing, cutting of a suture line to the thin peritoneum is avoided, the stab hole is prevented from being broken, and the stab hole healing effect is improved.

The utility model relates to the technical field of hole pricking sealers, in particular to an adduction type abdominal wall hole pricking sealer and a conveyor of the adduction type abdominal wall hole pricking sealer. The device comprises a sealing disc and a lifting rod, the upper end face and the lower end face of the sealing disc are a peritoneum face facing the peritoneum and an abdominal cavity face facing the abdominal cavity respectively, at least two barb nails inclining and falling towards the inner ring are arranged on the peritoneum face of the sealing disc, and the lower end of the lifting rod is clamped to the center of the sealing disc; the upper end and the lower end of the lifting rod extend out of an inner hole of the sleeve respectively, a ratchet wheel is arranged at the lower end of the sleeve and located on the inner circle of the circumference where the barbed nails are located, and when the ratchet wheel rotates, ratchets make contact with the barbed nails and can open the barbed nails towards the outer circle. The barbed nail disclosed by the utility model can tighten and tightly fix a stamp hole which is closed into a linear opening, and has a compression hemostasis effect, so that the stamp hole is outwards in a tension-free state, the closing operation of the stamp hole is simply and reliably completed, the closing precision of the stamp hole is enhanced, the bleeding amount of the stamp hole is reduced, the healing effect of the stamp hole is improved, and the split of the stamp hole is completely eradicated.

The invention relates to the technical field of medical treatment, in particular to an intra-abdominal pressure adjusting device and method.The device comprises an adjustable support used for supporting a skin contact assembly and allowing the position and angle of an electromagnet to be adjusted; the electromagnetic adsorption assembly is fixed on the adjustable bracket and is used for lifting the abdominal skin of the patient according to an electromagnetic adsorption effect so as to reduce the abdominal wall pressure; the skin contact assembly connected with the electromagnetic adsorption assembly is used for being attached to the skin of a patient and forming a sealed space; the control assembly is electrically connected with the electromagnetic adsorption assembly and used for collecting current pressure data and dynamically adjusting current output of the electromagnetic adsorption assembly according to a preset pressure threshold value and the current pressure data. Therefore, the problem that in the prior art, although the body position therapy can relieve the gravity compression of the abdominal wall, in a critical patient needing to be kept in a semi-reclining or upright position, the reverse effect of chest pressure conduction and diaphragm downward movement possibly aggravates the pressure load of the abdominal cavity is solved.

The utility model belongs to the technical field of medical instruments, and particularly relates to a balloon puncture outfit. The utility model provides a balloon puncture outfit with a novel patient abdominal wall fixing structure, which aims at solving the problem that a conical fixing seat of a balloon puncture outfit in the prior art easily presses an incision of a patient, and comprises a puncture outfit sleeve and a puncture needle arranged in the puncture outfit sleeve in a penetrating manner, the puncture outfit sleeve is further provided with an external fixing assembly used for being arranged on the outer surface of the abdominal wall of a patient in a pressed mode and an internal fixing assembly used for being arranged on the inner surface of the abdominal wall of the patient in a pressed mode, and a receding space used for containing the abdominal wall of the patient is formed between the external fixing assembly and the internal fixing assembly. The external fixing assembly and the internal fixing assembly are clamped on the inner side and the outer side of the abdominal wall of the patient, the receding space is used for containing the abdominal wall of the patient, the plane structure of the external fixing assembly is friendly to an incision of the patient, and the double-layer sealing ring designed on the external fixing assembly can well prevent blood from overflowing.

The invention relates to the technical field of medical pipeline connecting structures, in particular to a connecting assembly of an abdominal wall nutrition tube and an enteral nutrition bag, which comprises a female joint, a male joint and a sealing assembly. A first connecting rod is arranged at the end of the female connector, a second connecting rod is arranged at the end of the male connector, and flow channel holes are formed in the first connecting rod and the second connecting rod and used for establishing a liquid channel during connection. And the female lantern ring and the male lantern ring are mutually sleeved and positioned through the sleeving surface, so that the stability and the sealing property of the joint are ensured. The sealing assembly comprises a sliding sleeve ring, a valve block, a reset ring and a reset spring, the valve block automatically seals a flow channel under the action of the reset spring when not connected, the valve block is pushed by the first connecting rod and the second connecting rod to return in the connecting process, and automatic connection and disconnection of liquid are achieved. Second sealing magnetic rings are arranged on the surfaces of the valve blocks. The structure is simple, and dirt hiding and containing gaps are reduced; the quick-connection self-sealing function is achieved, and operation is easy and convenient; the sealing reliability is enhanced through magnetic attraction positioning, and the safety and convenience of medical use are remarkably improved.

The invention discloses a virtual simulation operation system for neonatal enterostomy nursing. The virtual simulation operation system comprises a biomechanical simulation module which is used for simulating viscoelastic mechanical characteristics of neonatal abdominal wall tissues and hydrodynamic behaviors of enterostomy excreta in real time; the dynamic physiological simulation module generates a quantitative score by fusing operation normalization, complication prevention effect and injury occurrence rate, and maps a score result into a three-dimensional virtual scene in real time; the evaluation and data management module constructs a seamless connection system of hospital-community-home nursing scenes, supports continuous execution and data synchronization of nursing plans across the scenes, is internally provided with a complication dynamic evolution prediction model, and deduces the occurrence probability and severity of stoma stenosis and skin injury in real time according to the nursing operation quality; by simulating mechanical properties of newborn abdominal wall tissues and fluid dynamic behaviors of excreta, the system provides a highly realistic nursing operation environment, and the reality sense and effectiveness of training are enhanced.

The embodiment of the invention provides a newborn abdominal pressure monitoring method and system, and belongs to the technical field of medical electronics. The method is realized based on a wrinkle microcrack flexible sensor, and comprises the following steps: acquiring an acquisition signal based on the wrinkle microcrack flexible sensor attached to an abdominal cavity, and preprocessing the acquisition signal; data analysis is carried out based on the preprocessed acquisition signals, and corresponding abdominal wall tension is obtained; calling a corresponding intra-abdominal pressure mapping model based on the abdominal wall tension, and outputting corresponding abdominal pressure based on the intra-abdominal pressure mapping model; and pushing the abdominal cavity pressure to a user side. According to the method, a sustainable and continuous abdominal pressure monitoring solution is provided, and the safety, convenience and accuracy of abdominal pressure monitoring are greatly improved.

The utility model relates to a trocar with an air bag, belongs to the technical field of medical instruments, and solves the problem that the air bag is easy to separate from the trocar under the action of abdominal wall resistance in the prior art. The trocar with the air bag comprises an outer tube, the air bag and a protective sleeve, the air bag and the protective sleeve are both arranged on the outer tube, the protective sleeve is arranged at one end of the air bag, and the protective sleeve is used for isolating an abdominal wall opening of a patient from the end of the air bag and preventing the abdominal wall from pushing and pulling the air bag. The protective sleeve of the trocar is the conical protective sleeve, the outer diameter of the protective sleeve is gradually enlarged in the direction from the outer wall of the outer tube to the air bag, and in the process that the trocar is inserted into the abdominal wall, the protective sleeve can separate the abdominal wall, isolate the opening of the abdominal wall from the air bag, prevent the abdominal wall from pushing and pulling the air bag and prevent the air bag from being separated from the outer tube.

The utility model provides an abdominal wall stitching instrument which comprises a puncture outfit, the puncture outfit comprises a puncture sleeve, two opposite handles are fixed to the surface of the puncture sleeve, positioning holes are formed in the surfaces of the two handles, a stitching instrument is inserted into one positioning hole, and the other positioning hole is communicated with the puncture sleeve. A first connecting pipe, a second connecting pipe and a third connecting pipe are sequentially arranged at the bottom of the puncture sleeve, the top of the first connecting pipe is connected with the bottom of the puncture sleeve, and rotating assemblies for opening the bottom of the puncture outfit are arranged between the first connecting pipe and the second connecting pipe and between the second connecting pipe and the third connecting pipe. The distance between the sutures is equal during suturing, the sutures are not prone to being knotted at the inserting openings formed in the surface of the long pipe opening in the bottom of the puncture outfit, cleaning is convenient when the pipe opening in the bottom of the puncture outfit is cleaned, and the puncture outfit has the advantages of being convenient to use, good in using effect and the like.

The invention relates to the field of biomedical materials, in particular to application of an anti-infection biological patch in temporary abdominal closure materials for abdominal cavity opening. The anti-infection biological patch provided by the invention has good biodegradability and biocompatibility, can effectively control short-term large-scale infection, has good active antibacterial ability and drug sustained release effect, and also has good mechanical strength and tissue compliance; the anti-infection biological patch disclosed by the invention is soft in texture, and does not cause damage to contacted intestinal canals and other visceral sac tissues; when the material is applied to temporary abdominal closure materials for opening the abdominal cavity, the occurrence rate of intestinal air fistula can be reduced to 2% or below, meanwhile, the risk of incisional hernia and abdominal cavity bleeding is reduced, fascia retraction can be reduced, and therefore adhesion between the intestine and the abdominal wall and adhesion between the intestine and abdominal cavity dressing are further avoided, and closure repair of abdominal wall fascia tissue is effectively promoted.

The invention belongs to the technical field of medical instruments, and particularly relates to an abdominal wall puncture stitching instrument with a guide hole device. Comprising a puncture cannula device, a guide hole device, a puncture cone device and a threading hook, the puncture cannula device comprises a puncture cannula seat, a gas injection valve, a gas injection switch, a gas blocking valve, a rotary switch, a spring, a puncture cannula seat sealing cover, a lower sealing cover, a blocking piece fixing ring, a blocking piece, an upper pressing plate, an elastic sealing cap inner ring, a lower pressing plate, a self-debugging sealing cap and a positioning guide cover. The guide hole devices are arranged on the two sides of the puncture cannula device and symmetrically distributed with respect to the center line of the puncture cannula device, and each guide hole device is provided with a left guide hole, a right guide hole, a guide hole upper inlet and an auxiliary fixing hole. The puncture cone device comprises a puncture cone, a release switch, a puncture cone seat, a pressing key, a puncture cone guide hole I and a puncture cone guide hole II; the threading hook comprises a handle, a push handle reset spring, a push handle, a handle cover, a line pulling hook, a sleeve, a needle head tube and a suture line clamp.

A surgical method comprises following steps of: making an incision of an abdominal wall; making a first-incision of an ileum near a terminal ileum; passing an assembly into the ileum through the first-incision; making a second-incision of the ileum; pulling a tip-portion of a guiding-member of the assembly out of the ileum through the second-incision such that an inflated-collector-portion of an artificial-ileal-tube of the assembly is stuck at the second-incision; suturing the first-incision; passing one end of a fixing-tube through a mesentery behind the ileum for being suspended beneath the ileum; making a for-tube-incision and a for-fixing-incision of the abdominal wall; passing the guiding-member and two ends of the fixing-tube out of the abdominal wall through the for-tube-incision and the for-fixing-incision respectively; fixing the fixing-tube; suturing the incision of the abdominal wall; detaching the guiding-member from the artificial-ileal-tube; and connecting a collecting device to the artificial-ileal-tube.

1. The name of this design product: 3D abdominal wall instrument. 2. Purpose of this design product: an instrument used for massage. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: combination state diagram. 5. This design is a thin product, and the left view, right view, top view, and bottom view of component 3 are omitted.

The invention relates to the technical field of medical instruments, and discloses a percutaneous stomach puncture fistulization device which comprises a fistulization tube, one end of the fistulization tube is fixedly connected with a feeding port, the periphery of the fistulization tube is fixedly connected with a stomach wall pressing plate, the periphery of the fistulization tube is further sleeved with an abdominal wall pressing plate, the periphery of the fistulization tube is sleeved with a fixing ring, and the fixing ring is fixedly connected with the stomach wall pressing plate. The outer side edges of the stomach wall pressing plate and the abdominal wall pressing plate are bent towards the rear end of the fistulization tube, a pipeline is fixedly connected to the bottom of the fistulization tube, the end, away from the feeding port, of the fistulization tube is sleeved with a second plug, and the end, away from the feeding port, of the pipeline is sleeved with a first plug. Due to the fact that the stomach wall pressing plate and the abdominal wall pressing plate are designed to be arc-shaped, when the fistulization tube is fixed, the contact area between the stomach wall pressing plate and the body of a patient and the contact area between the abdominal wall pressing plate and the body of the patient are increased, friction is increased, the stability of the position of the fistulization tube is guaranteed under the condition that the fistulization tube does not need to be fixed tightly, and pain of the patient caused by shaking of the fistulization tube is reduced.

The invention discloses an abdominal wall shaping maintaining device which comprises a maintaining assembly and a fixing assembly. The maintaining assembly comprises an elastic maintaining bag and filler filled in the elastic maintaining bag; the elastic maintaining bag is contained in the concave position of the abdominal wall, and the elastic maintaining bag can elastically deform under the filling of the filler so as to adapt to the shape of the concave position of the abdominal wall. The fixing assembly is connected with the maintaining assembly and the abdominal wall and used for fixing the elastic maintaining bag to the concave position of the abdominal wall. The elastic maintaining bag is contained in the concave position of the abdominal wall and filled with the filler, so that the elastic maintaining bag can exert pressure on the concave position of the abdominal wall under the action of the filler inside the elastic maintaining bag, the concave position is prevented from being filled with tissue or tissue fluid around the concave position of the abdominal wall, and the postoperative local concave shape is maintained. Moreover, the elastic maintaining bag can be elastically deformed, and the shape of the elastic maintaining bag is formed by filling the filler, so that the shape of the elastic maintaining bag can be self-adaptive to the concave shape of the abdominal wall under the filling of the filler.

The utility model relates to an abdominal cavity sealing dressing capable of displaying temperature and humidity. The abdominal cavity sealing dressing comprises a polyurethane layer, a humidity sensor, a hardened layer, a pressure sensor, a temperature sensor and a hemostasis layer, the humidity sensor is arranged on the side, attached to the skin, of the polyurethane layer. The abdominal cavity sealing dressing capable of displaying the temperature and the humidity is of a multi-layer composite structure, the dressing is provided with a signal module and used for wireless transmission of temperature and pressure data and monitoring of the internal condition of the abdominal cavity, the device is structurally similar to human normal skin, and the innermost chitosan hemostasis layer is similar to a subcutaneous tissue layer; the effect of protecting internal tissues and organs is achieved; the middle layer comprises a sensor which can reflect partial key indexes of the abdominal cavity and is similar to a neuroreceptor part; the outer layer is good in mechanical performance, can resist external mechanical injuries and is similar to a skin layer, the effect similar to the skin can be achieved through the bionic structure, and treatment of the open abdominal wall trauma is more efficient and intelligent.

The application discloses a percutaneous gastric interventional fistula device, which comprises a drill, a fixing assembly and a fistula tube drill, the drill is hollow, the end of the drill is provided with a puncture part, the puncture part can drill a fistula hole on an abdominal wall and a gastric wall, the fixing assembly is arranged on the outer wall of the drill and can fix the drill on the fistula hole and seal the fistula hole, and the fistula tube is communicated with the drill, and nutrient liquid can sequentially pass through the fistula tube and the drill and enter a stomach. The percutaneous gastric interventional fistula device can conveniently perform fistulization and simultaneously reduce operation time.

The utility model relates to the technical field of medical instruments, in particular to an anastomat for a pediatric hernia operation, which comprises a needle forceps tube, a traction rod slidably arranged in the needle forceps tube, a sleeve mounted at one end of the needle forceps tube, a push rod slidably inserted into the sleeve and connected with one end of the traction rod, and a pressing block slidably penetrating out of the sleeve and connected with the other end of the push rod. Two groups of supporting blocks are mounted on the outer side of the sleeve; a grasping forceps mechanism is mounted at one end, positioned in the needle forceps tube, of the traction rod; the grasping forceps mechanism comprises a connecting rod, L-shaped grasping forceps are hinged to the two opposite sides of the connecting rod respectively, grooves are formed in the middles of the two side walls, connected with the L-shaped grasping forceps, of the connecting rod respectively, and second springs are connected between the bottoms of the grooves and the L-shaped grasping forceps. Compared with the prior art, the abdominal wall full-thickness suture device has the advantages that full-thickness suture of the abdominal wall is achieved, healing of an incision is effectively guaranteed, the incision suture time is prolonged, meanwhile, the overall operation time is saved, and bleeding of the incision and hernia of the incision are reduced.

This invention provides an enterostomy protection device, comprising a collection bag, a protective cover, and a buffer assembly. In use, an adhesive plate is attached to the patient's abdominal skin, and the enterostomy passes through a first opening within the collection bag and protective cover. This allows secretions from the enterostomy to flow into the collection bag, facilitating their collection and reducing the risk of infection. The protective cover protects the enterostomy from scratches, pressure, and other damage. When the protective cover is subjected to external force and moves closer to the patient's abdomen, this movement causes a connecting post to move along a guide hole. This movement of the connecting post compresses a limiting plate against a buffer spring, which in turn buffers the force acting on the protective cover. This reduces the force transmitted to the patient's abdomen when the protective cover is subjected to external force, thereby reducing the risk of tearing at the suture between the abdominal wall and intestines and improving the protective effect.

The utility model belongs to the field of nursing auxiliary instruments, and particularly discloses a waist support type fetal heart monitoring elastic bandage which comprises a waist support backrest and two elastic bandages, and the two elastic bandages are located at the top and the bottom of the rear end of the waist support backrest respectively. A plurality of edge covering holes are formed in the elastic bandage, and a button is arranged at one end of the elastic bandage; when a pregnant woman carries out fetal heart monitoring, the waist support backrest is placed at the waist and back of the pregnant woman, then two probes of the fetal heart monitor are placed at proper positions of the abdominal wall, then the two ends of the two elastic bandages are pulled respectively and wound forwards, and the probes are pressed and fixed on the abdominal wall of the pregnant woman through the elastic bandages in the process. The waist support backrest is fixed on the body of the pregnant woman through the elastic bandage, can synchronously move along with the movement of the pregnant woman, and can support the waist of the pregnant woman when the pregnant woman sits on the deck chair for fetal heart monitoring, so that the load of the waist is reduced.

The invention relates to the technical field of medical equipment, in particular to an abdominal wall fat extraction device. An abdominal wall fat extraction device comprises a movable cart, a fixing plate, a mounting block and the like, the fixing plate is fixedly connected to the top of the movable cart, the mounting block is fixedly connected to the right rear side of the top of the fixing plate, a measuring cylinder is placed in the middle of the top of the mounting block, and a stand column is fixedly connected to the rear side of the top of the mounting block; a pressing disc is fixedly connected to the end of a telescopic rod of the electric push rod, and a rubber disc is fixedly connected to the bottom of the pressing disc. Automatic injection of swelling liquid is achieved through electric control, operation is more convenient, after liposuction is completed, instruments such as a liposuction tube can be backwashed in time, fat cells are prevented from being adhered to a hose a or a tube cavity a, the problems that an existing device is difficult to clean in time after suction, and follow-up cleaning difficulty is increased due to residual impurities are effectively solved, the operation efficiency is improved, and the operation cost is reduced. And the subsequent workload of medical staff is reduced.

The utility model relates to a stitching instrument which comprises a rod body, a first adjusting part and a second adjusting part are arranged on the two sides of the rod body respectively, and a part of the first adjusting part and a part of the second adjusting part can be adjusted relative to the rod body. And one end of the rod body is also connected with a tapping part. The first adjusting part and the second adjusting part are arranged, one end of the suture is fixed through the first adjusting part, hooking of the suture is adjusted through the second adjusting part, an operator can conveniently and effectively suture the whole layer of the abdominal wall, complications such as incision hernia and poor incision healing are reduced and avoided, operation is convenient, time and labor are saved, and the working efficiency is improved. The abdominal wall injury is reduced. In addition, the end portion of the tapping-in portion is rounded, damage to the abdominal wall due to the fact that the end portion is too sharp is avoided while it is guaranteed that the tapping-in portion can go deep, and the tapping-in portion is light and simple.

The utility model discloses a drainage puncture opening seepage plugging device, which relates to the technical field of puncture plugging and comprises a bottom plate, a columnar bulge is fixedly connected to the middle of the bottom end of the bottom plate, an auxiliary structure is fixedly mounted at the top of the bottom plate, and fixing structures are fixedly mounted on the left side and the right side of the auxiliary structure. The auxiliary structure comprises a rectangular frame, a gauze block is inserted into the rectangular frame, four rectangular holes penetrating through the bottom plate are formed in the top of the bottom plate, and the bottom of the gauze block is inserted into the four rectangular holes. According to the drainage puncture opening seepage plugging device, under the action of the auxiliary structure, seepage can be absorbed in time under the conditions that the puncture opening leaks liquid and the like under the specific environment that the chest wall or the abdominal wall is thin, the pressure in the chest cavity or the abdominal cavity is large or the skin puncture opening is large, clothes are prevented from being polluted by the seepage, and the drainage puncture opening is safe and reliable. Meanwhile, discomfort of the patient is caused.

Abdominal closure method and device variations for closing ventral hernias and reducing recurrence are described. The tissue anchoring apparatus may generally include a first component having a first platform and a prong projecting from the first platform, wherein the prong includes a distal portion which defines a locking groove, a second component having a second platform which defines an opening sized to receive the prong therethrough, and a locking component which defines a lock opening sized to correspond to the locking groove when the locking component is positioned in a first orientation relative to the locking groove, wherein the locking component is inhibited from translating distally along the prong when the locking component is rotated into a second orientation from the first orientation.

The invention relates to the technical field of detection terminals, in particular to a noninvasive intra-abdominal pressure detector for newborns, comprising an acquisition unit for acquiring detection data and verification data, the detection data at least comprising intra-abdominal pressure, and the verification data at least comprising abdominal wall tension; the display unit comprises a first graphical interface and a second graphical interface; the control unit is in signal connection with the acquisition unit and the display unit; the control unit establishes a directory in the second graphical interface according to the type of the state change of the first graphical interface, and stores the associated detection data and verification data in the corresponding directory in a classified manner; the second graphical interface receives an operation instruction and generates an operation change, and the control unit synchronizes the operation change to the first graphical interface and triggers the first graphical interface to execute corresponding function adjustment and display update; the linkage design of visual effects and detection data features is combined, the data change trend and abnormal association are visually presented, and misjudgment caused by isolated data interpretation is avoided.

The invention relates to a dynamic abdominal wall (AW) traction system for open abdomen (OA) wounds, which can be temporarily connected to an OA wound for gradual and controlled closure, the system comprising: elastomeric rings (1), which can be connected in the vicinity of the edges of the OA; traction wires (2), intertwined in the form of a zigzag between the rings (1); a traction element (3) for exerting variable and controllable traction on the traction wires (2) and on the rings (1); and retaining elements (4), which can be connected by suturing to an internal edge of the AW and to each ring (1), such that the rings (1) and the OA wound are joined indirectly by means of the suture for connecting the respective elements.

The invention discloses a laparoscopic surgery trocar with a ratchet wheel locking system. The surgical trocar comprises a ratchet wheel locking mechanism, and the ratchet wheel locking mechanism comprises a lower cover, a ratchet wheel bottom support, a first meshing wheel, a second meshing wheel, a toothed shifting piece and a ratchet wheel cover. The ratchet wheel bottom support is coaxially clamped with the lower cover; and the meshing wheel I is coaxially and movably mounted in the ratchet wheel bottom support. The second meshing wheel can be meshed with the first meshing wheel, and the toothed shifting piece is coaxially connected with the ratchet wheel bottom support. The ratchet wheel cover is coaxially connected with the second meshing wheel in a clamped mode, can be meshed with the toothed shifting piece and is of a grid type structure. According to the locking system, the meshing state and the clutch state are achieved, limiting of the operation trocar and human body abdominal wall tissue is firmer and more stable, the operation trocar and the human body abdominal wall tissue can be fixed in place at a time, the problem that a traditional operation trocar needs to be adjusted many times is solved, the locking system can be completed by one person, operation is easy and convenient, and the operation efficiency is improved. Operation precision and efficiency can be improved, and complications such as injury, bleeding and pain of a traditional operation cannula aiming at an incision of a patient are reduced.

The utility model relates to an abdominal cavity puncture suite, belongs to the field of medical surgical instruments, and provides a double-channel abdominal cavity puncture instrument which is smooth in puncture and small in abdominal wall damage. The suite comprises a cannula assembly and a puncture assembly. The cannula assembly comprises a main sheath tube and a sleeve, and the lower end of the sleeve is necked down and fixedly connected to the upper end of the main sheath tube; the puncture assembly comprises a puncture core which is detachably arranged in the main sheath tube in a sleeved mode. The kit further comprises a separation assembly which comprises a separation strip and a limiting block. The side wall of the main sheath tube is provided with a side through tube communicated with the inside in a forked mode, and the inner wall of the sleeve is provided with a clamping protrusion on one side of the side through tube; a bayonet matched with the clamping bulge is formed in the side surface of the limiting block; the upper end of the parting strip is fixedly connected to the edge of one side, far away from the bayonet, of the lower end of the limiting block; when the limiting block is placed in the sleeve, the main sheathing canal is divided into two channels through the division bar.

The utility model discloses an abdominal cavity drainage tube device, particularly relates to the technical field of medical instruments, and solves the technical problem that body fluid is easy to seep between a drainage tube and an abdominal wall hole wall to cause pollution during abdominal cavity drainage. The device comprises a collecting bag, a first through hole and a second through hole are sequentially formed in the two sides of the collecting bag in a penetrating mode, a flow guide cylinder is embedded in the first through hole, and one end of the flow guide cylinder extends into the collecting bag; a fixing disc communicated with the guide cylinder is arranged on the outer side of the first through hole, the inner side of the fixing disc is fixed to the surface of the collecting bag, and an adhesive layer is arranged on the outer side of the fixing disc; and a sealing mechanism is embedded in the second through hole. When body fluid exudes between the drainage tube and the hole wall of the abdominal wall, the body fluid enters the collecting bag through the guide cylinder to be collected, and the environment is prevented from being polluted by the body fluid.