60 results about "External fixation devices" patented technology

A clamping system includes a first clamp body including a first jaw, a second jaw, and a first aperture configured to receive a bone pin, the first clamp body is configured to receive a first connector rod between the first jaw and the second jaw, a second clamp body coupled to the first clamp body and including a third jaw, a fourth jaw, and a second aperture configured to receive the bone pin, the second clamp body configured to receive a second connector rod between the third jaw and the fourth jaw, and a securing assembly movable between a first position and a second position, such that moving the securing assembly from the first position to the second position reduces a distance between the first jaw and the second and reduces a distance between the third jaw and the fourth jaw.

The invention discloses a variable stiffness external fixing device for accelerating lower limb fracture healing, which comprises two oppositely arranged fixing rings, a plurality of support arms connected between the two fixing rings, and kirschner wires arranged inwards along the radial direction on the fixing rings, and is characterized in that the fixing rings are also provided with kirschner wire applied stiffness adjusting mechanisms. The rigidity change of the fixing end of the external bone fixing device can be adjusted, the structure is simple, adjustment is convenient and fast, and the rigidity adjusting requirements of different stages in the bone rehabilitation process can be better met.

The invention discloses an orthopedic external fixing device and a fixing method of a fixing needle of the orthopedic external fixing device. The orthopedic external fixing device comprises a fixing plate, the fixing needle, a first clamping plate and a second clamping plate. A plurality of through holes are formed in the fixing plate, and the fixing needles penetrate through the corresponding through holes in the fixing plate; the first clamping plate and the second clamping plate are arranged on the two sides of the fixing plate in the thickness direction respectively and installed on the fixing needle, and the first clamping plate and the second clamping plate abut against the end faces of the two sides of the fixing plate respectively so as to limit movement of the fixing plate in the axial direction of the fixing needle. Friction force between the two clamping plates and the fixing plate can further limit movement of the fixing plate in the radial direction of the fixing needle, and therefore indirect connection between the fixing needle and the fixing plate is achieved. In the whole connecting process, the fixing needle can not make any direct contact with the fixing plate, the fixing needle can penetrate through the fixing plate at various angles, the requirement for the positioning precision of the fixing needle is lowered, the operation difficulty of a doctor is lowered, and the universality of the external fixing device for the orthopedics department is improved.

The invention relates to a high-breathability and high-fitness in-vitro fixing device with a shape memory function and a preparation method of the high-breathability and high-fitness in-vitro fixing device, and relates to the field of biomedical materials, the high-breathability and high-fitness in-vitro fixing device comprises the following components in parts by mass: 40-45 parts of polycaprolactone, 40-45 parts of polylactic acid, 4-6 parts of a compatilizer, 0.5-1.5 parts of a cross-linking agent, 8-12 parts of nano-hydroxyapatite, 10-20 parts of biocompatible polyurethane and 0.1-0.3 part of a coloring agent. The preparation method comprises the following steps: mixing the raw materials, carrying out melt blending, and carrying out extrusion granulation to obtain composite particles; the composite particles are subjected to melt-blowing spinning, and non-woven cloth is obtained; and carrying out hot press molding on the non-woven fabric, shaping and cooling to obtain the high-breathability and high-fitness in-vitro fixing device with the shape memory function. The in-vitro fixing device prepared by the invention has a silk net structure, has good air permeability, a shape memory function and fitness, and has good mechanical properties and antibacterial properties.

The application relates to an external bone fixation device. The external bone fixation device comprises a base, a first fixing member for fixing one of a proximal bone and a distal bone, the first fixing member being movably connected to one end of the base along a first direction, so that the first fixing member can rotate relative to the base along a second direction and a third direction, the first direction being the arrangement direction of the proximal bone and the distal bone, and any two of the first direction, the second direction and the third direction being perpendicular; and a fixing assembly for fixing the other of the proximal bone and the distal bone, the fixing assembly being movably connected to the end of the base along the first direction away from the first fixing member, so that the fixing assembly can move relative to the base along the second direction and the third direction, and can move and rotate relative to the base along and around the first direction. The external bone fixation device does not need to be repeatedly adjusted, and the operation is relatively simple.

A device for rapid reduction and external fixation of a limb fracture comprises a C-shaped splint, a fixed splint, a reduction arc plate, and a limiting component. The limiting component includes a connecting frame and a connecting arc plate. An outer wall of the connecting frame is provided with a fixed pressing plate, and a bottom of the fixed pressing plate is provided with a positioning clamping plate. A plurality of positioning slots are provided in the connecting frame and the connecting shaft. The positioning clamping plate is fixedly sleeved in the positioning slots.

The invention relates to the technical field of nasobiliary ducts, and discloses a nasobiliary duct in-vitro fixing device which is characterized in that a first arc-shaped groove is formed in the top of a connecting block, a second arc-shaped groove is formed in the bottom of the connecting block, a first adjusting mechanism is arranged in the connecting block, and a second adjusting mechanism is arranged on the front face of the connecting block; the first adjusting mechanism comprises sliding assemblies and limiting assemblies, the sliding assemblies are arranged on the left side and the right side in the connecting block, the limiting assemblies are arranged on the left side and the right side of the connecting block, the second adjusting mechanism comprises a position changing assembly and a fixing assembly, and the position changing assembly is arranged on the front face of the connecting block. The fixing assembly is arranged on the front face of the transposition assembly. A fixing block is moved through a second adjusting mechanism, so that the nasobiliary duct moves left and right, the nasobiliary duct can be adjusted left and right according to the nostril of a patient, after the fixing block is adjusted, the nasobiliary duct is inserted into a fourth connecting hole, and after insertion, the nasobiliary duct is fixed through the elastic force of a third spring.

The invention discloses an external fixing device for bone defect repair, which belongs to the technical field of medical instruments and comprises a near-end fixing ring unit and a far-end fixing ring unit which are connected into a whole through a plurality of adjustable connecting rod units, and the adjustable connecting rod units are used for adjusting the distance between the near-end fixing ring unit and the far-end fixing ring unit. According to the invention, the large-range coarse adjustment of the bone fracture end distance can be quickly realized, and the initial fixing requirements of different bone defect lengths can be met.

The invention discloses a rapid suspension device for maxillary fracture, belongs to the technical field of medical emergency treatment instruments, and aims to solve the problem that a rapid, stable and portable external fixing device is lacked in maxillary fracture emergency treatment in a battlefield environment. The device comprises a head sleeve assembly, a pull rope locking mechanism, an insertion assembly and a maxilla bracket assembly, the head sleeve assembly comprises an annular head sleeve and a cross belt, the pull rope locking mechanism is installed on the two sides of the head sleeve through the adjusting assembly, the plug-in assembly is composed of a detachable plug-in buckle female head and a detachable plug-in buckle male head, and the maxilla bracket assembly comprises a left denture, a right denture and an arc-shaped connecting rod. The device adopts a magic tape, a BOA knob and a plug-in mounting structure, so that quick mounting and tension adjustment are realized, the distance between denture supports can flexibly adapt to different wounded persons, a medical metal material can be repeatedly disinfected, maxillary fracture bone blocks can be effectively supported forwards, backward falling is prevented, the smoothness of the upper respiratory tract is guaranteed, and the device is adaptive to battlefield first-aid efficient treatment requirements; the survival rate of the wounded with maxillofacial trauma can be obviously improved.

In an external fixation device, adjustments in length (contracting or extending a strut) are carried out by respective motorized actuators of the struts, which are programmed to operate according to an actuation plan. In some embodiments, a total required change in length is defined for each of the struts, and based on the intended number of treatment days, a daily change in length is defined for the strut. Then, taking into account the number of intended device actuations per day, a change in length for each actuation is defined. Since the total required change in length may differ for different struts of the same device, the changes in length (whether at a single actuation or as a daily, cumulative change in length) can differ between the different struts.

The utility model discloses an in vitro fixing device for a nephropathy dialysis tube, which comprises an adjusting semi-ring, an adjusting groove is arranged on the adjusting semi-ring, a moving groove is arranged at the side end of the adjusting semi-ring, the adjusting groove is communicated with the moving groove, a fixing piece is connected in the moving groove in a sliding way, a limiting piece is arranged on the fixing piece, and a locking piece is arranged at the side end of the moving groove; a user is allowed to accurately adjust the position of the fixing piece through the adjusting groove and the fixing piece in sliding connection, it is guaranteed that the dialysis tube is kept stable in the using process, the problem of dialysis tube displacement caused by position deviation or movement is solved, the safety and effectiveness of treatment can be improved, and the fixing piece can be fixed through the clamping block and the clamping plate in a matched mode. According to the fixing device for the dialysis tube, the dialysis tube can be effectively prevented from sliding or shifting in the fixing process, the triangular design of the clamping blocks is matched with the cross-shaped design of the clamping plates, it is ensured that the dialysis tube is firmly fixed, accidental movement, caused by external force or internal movement, of the dialysis tube is reduced, and therefore the comfort level of a patient and the stability of dialysis treatment are improved.

The invention provides a male urethrography catheter with accurate scales and an external fixing device. The male urethrography catheter comprises a catheter body. The outer wall of the ureter is sleeved with the outer fixing device in a sliding mode; the outer fixing device comprises an elastic rubber ring close to one side of a human body, an umbrella-shaped telescopic cover arranged on one side, far away from the human body, of the elastic rubber ring, a supporting arm arranged on one side, far away from the elastic rubber ring, of the umbrella-shaped telescopic cover and a limiting assembly arranged on the other side of the supporting arm, and the supporting arm is in a sleeve shape; the sleeve is fixedly connected with the umbrella-shaped telescopic cover and the elastic rubber ring in sequence and is arranged on the urinary catheter in a sleeving manner; a scale identification assembly is arranged on the outer wall of the ureter. The ureter fixing device is reliable in ureter fixing and not prone to falling off; the operation is simple, the pain of a patient is relieved, the safety and comfort of the patient are improved, the urethra is prevented from being damaged by balloon type internal fixation, and the application crowd can be expanded to infants; operation experience of doctors can be improved, repeated ray damage is avoided, and operation time is effectively shortened; the insertion depth is accurately controlled, and the body injury of a patient caused by over-depth or over-shallow depth is avoided.

The application relates to the technical field of medical devices, in particular to a calcaneus external fixing support, which comprises a first screw rod, a sliding base connected to the outer wall of the first screw rod in a sliding mode, a second screw rod connected to the first screw rod in a sliding mode, a sliding seat connected to the outer wall of the sliding base in a sliding mode, the sliding direction of the sliding seat is arranged at an angle with the moving direction of the sliding base, the second screw rod is arranged at an angle with the first screw rod, a limiting assembly for limiting the sliding of the sliding base is arranged on the outer wall of the first screw rod, a first locking piece for limiting the sliding of the sliding seat is arranged on the side wall of the sliding seat, a positioning assembly for limiting the sliding of the second screw rod is arranged on the first screw rod, a second locking piece for fixing a bone needle is arranged on the side wall of the moving seat, and a third locking piece for fixing the bone needle is arranged on the outer wall of the second screw rod. The application has the effects of conveniently adjusting the structure of the heel of a patient and reducing the dislocation of the heel structure in the process of fixing the support.

The utility model provides an external fixation instrument for traction of bone hammer-shaped fingers. The external fixation instrument comprises a fingerstall, a screw rod and a threaded ring, the external shape of the fingerstall is in a square box shape, one end of the fingerstall is open, the fingerstall is used for wrapping the fingertip, the outer side wall of the fingerstall is connected with one end of the screw rod, and the threaded ring is matched with the screw rod. The U-shaped clamp made of an aluminum plate is matched with the bandage to clamp and fix the bony hammer-shaped finger, then the fingerstall is adopted to wrap the fingertip, and the threaded ring is rotated in a matched mode, so that the threaded ring drives the fingerstall to move through the screw rod, the finger is pulled, the tail section of the bony hammer-shaped finger is straightened or the back of the bony hammer-shaped finger is slightly stretched, and the bony hammer-shaped finger is fixed. The effect of traction on the bony hammer-shaped finger under the non-surgical condition is achieved.

The invention relates to a testing device for performing multi-dimensional comprehensive mechanical property evaluation on a bone and an external fixing device thereof. The device can simulate the stress state of a skeleton and a fixing device of the skeleton under the conditions of walking, supporting and loading in a multi-degree-of-freedom mechanical environment, and realizes high-precision loading of axial stretching, compression and bending loads and measurement of comprehensive mechanical characteristics such as static and dynamic properties. The device comprises a mechanical platform, a driving system, a force sensing system and a displacement measuring system. The mechanical platform adopts a structural form that double sliding tables are orthogonally arranged, and the two sliding tables can independently or cooperatively apply axial force and lateral force to realize multi-dimensional loading; the driving system comprises a servo motor and a ball screw transmission mechanism, rotation of the servo motor is converted into linear motion of the sliding table through a ball screw, and accurate control over loads is achieved. The force sensing system is composed of two sets of resistance strain type S-shaped force sensors, axial and bending loads are measured respectively, and force-displacement-time synchronous data collection is achieved. The displacement measurement system adopts a double-laser triangulation ranging structure, and high-precision measurement of angular displacement and linear displacement is realized by measuring micro displacement and dip angle change of a sample section through a reflection marking piece; data acquisition and control can be realized by controlling an acquisition system.

The present disclosure provides methods for determining an adjustment prescription of an external fixation device affixed to anatomical structures. The methods include obtaining at least two digital radiographic images of differing orientations of the external fixation device and anatomical structures in an initial arrangement. The methods also include identifying fiducial markers of the external fixation device and an axis of the anatomical structures in the at least two radiographic images. The methods include providing a virtual manipulatable three-dimensional model of the external fixation device and the anatomical structures. The methods include providing an adjustment prescription of strut assemblies of the external fixation device based on a user determined desired arrangement of the anatomical structures that rearranges the anatomical structures from the initial arrangement to the desired arrangement via at least one user selected waypoint. The user determined desired arrangement of the anatomical structures is determined via the three-dimensional model.

This invention provides a urinary catheter for male urethrography with precise graduations and an external fixation device, comprising a urinary catheter and an external fixation device slidably fitted onto the outer wall of the urinary catheter. The external fixation device includes an elastic rubber ring on the side closest to the body, an umbrella-shaped telescopic cover on the side of the elastic rubber ring away from the body, a support arm on the side of the umbrella-shaped telescopic cover away from the elastic rubber ring, and a limiting component on the other side of the support arm. The support arm is sleeve-shaped and is sequentially and fixedly connected to the umbrella-shaped telescopic cover and the elastic rubber ring, and fitted onto the urinary catheter. The outer wall of the urinary catheter is provided with a graduation recognition component. This invention provides reliable and non-dislodgement of the urinary catheter; it is simple to operate, reduces patient pain, improves patient safety and comfort, avoids urethral damage caused by balloon-type internal fixation, and its applicable population can be extended to infants and young children; it can improve the doctor's operating experience, avoid repeated radiation damage, and effectively shorten the operation time; it precisely controls the insertion depth, avoiding excessive or superficial insertion that could cause injury to the patient.

The utility model discloses a dynamic rib external fixing device, and belongs to the technical field of medical supplies. The dynamic rib external fixing device mainly comprises a rib external fixing unit and an elastic component. Wherein rib external fixing units exist, and the rib external fixing units are connected together through elastic components; a supporting plate is arranged in any rib external fixing unit; the supporting plate is wrapped by the first foam body and the second foam body; an adhesion layer is arranged on the outer side of the first foam body; and release paper is arranged on the outer side of the adhesion layer. Compared with the prior art, the utility model has the advantages that the treatment effect is improved, the discomfort of a patient is weakened, and the practicability is higher.

This invention provides an external fixation device for a balloon catheter used in clinical nursing, belonging to the field of medical devices. It includes a mounting box, with a fixing rod fixedly connected to the inner surface of the mounting box. A buffer assembly is provided on the outer side of the fixing rod. The buffer assembly includes a winding part and a movable part. The winding part includes a movable sleeve rotatably connected to the outer surface of the fixing rod. By setting the buffer assembly, the catheter can be wound and stored by a guide frame, keeping the length of the catheter outside the mounting box within an appropriate range. This effectively reduces the risk of accidental pulling on the catheter. The movement of the guide frame releases the catheter, buffering and absorbing the pulling force on the catheter, thereby effectively reducing the transmission of pulling force to the balloon catheter. This reduces the probability of damage to the patient's bladder and urethra caused by the balloon catheter during accidental patient movement, thus effectively ensuring comfort during the operation of the catheterization device.

The utility model relates to the field of medical instruments, in particular to an external fixing device with a micro-motion assembly and a hydroxyapatite coating fixing nail, which comprises a support, three clamping block assemblies and the micro-motion assembly. The three clamping block assemblies are used for clamping at least one hydroxyapatite coating fixing nail respectively, the micro-motion assembly is configured to output kinetic energy to the second assembly when receiving electric energy, and when the second assembly is in a movable state relative to the support, the micro-motion assembly is used for driving the second assembly to move according to a preset path. The preset path is a swing path and / or a linear path. The broken bone is actively driven through the micro-motion assembly, the second assembly and the hydroxyapatite coating fixing nail clamped on the second assembly, so that the broken bone driven by the second assembly and the hydroxyapatite coating fixing nail clamped on the second assembly can generate fine displacement, and the broken end of the driven broken bone can form stress stimulation, so that the broken bone can be driven to move stably and stably. The fracture healing time is shortened, and the fracture healing treatment efficiency is high.

This invention discloses an external fixation device for fracture reduction and its manufacturing method. The device includes at least two fixation blocks, each pair connected by a telescopic rod. Each fixation block and the end of the telescopic rod are universally connected, and each fixation block has a threaded pin hole. The telescopic length of the telescopic rod and the rotation angle of each fixation block are determined based on the image data of the affected limb from the pre-placed threaded pin, enabling the external fixation device to guide the reduction and fix the reduced limb. This device provides guidance for manual reduction and fixation after reduction, avoiding unnecessary radiation damage and trauma, while improving the efficiency and accuracy of manual reduction by doctors and enhancing the therapeutic effect of fracture reduction.

A clamping system includes a first clamp body including a first jaw, a second jaw, and a first aperture configured to receive a bone pin, the first clamp body is configured to receive a first connector rod between the first jaw and the second jaw, a second clamp body coupled to the first clamp body and including a third jaw, a fourth jaw, and a second aperture configured to receive the bone pin, the second clamp body configured to receive a second connector rod between the third jaw and the fourth jaw, and a securing assembly movable between a first position and a second position, such that moving the securing assembly from the first position to the second position reduces a distance between the first jaw and the second and reduces a distance between the third jaw and the fourth jaw.

The present application relates to the field of medical devices, in particular to a maxillofacial self-repositioning external fixation system and a construction method thereof. The present application provides a construction method of a maxillofacial self-repositioning external fixation device model, comprising: providing a three-dimensional model of a maxillofacial surface to be repaired, the three-dimensional model of the maxillofacial surface comprising a three-dimensional model of maxillofacial bones and a three-dimensional model of a maxillofacial surface; constructing a base based on the maxillofacial surface around the maxillofacial bone to be repaired; constructing a repositioning support part based on the maxillofacial surface of the healthy side corresponding to the maxillofacial bone to be repaired; and constructing a repositioning hole on the repositioning support part based on the force point of the maxillofacial bone to be repaired. The maxillofacial self-repositioning external fixation device and the maxillofacial self-repositioning external fixation system comprising the device provided by the present application not only have simple structure and are convenient to use, but also can effectively improve the maxillofacial bone repair effect during application, avoid repeated surgery, and can avoid unnecessary damage to the patient, greatly improving the treatment effect of maxillofacial injury related treatment.

The invention discloses a fibula far-end downward-moving single-arm external fixing device, and relates to the technical field of orthopedic external fixing frames, the fibula far-end downward-moving single-arm external fixing device comprises a first fixing assembly and a second fixing assembly, the first fixing assembly comprises a first fixing frame, an upper sliding clamping block, a first kirschner wire, a lower sliding clamping block and a second kirschner wire, the first fixing assembly comprises a first fixing frame and a first kirschner wire, the upper sliding clamping block and the lower sliding clamping block are arranged on the first fixing frame in a sliding mode and locked through a locking device, the first kirschner wire penetrates through the upper sliding clamping block to be fixedly connected with the proximal tibia end or the proximal fibula end, and the second kirschner wire penetrates through the lower sliding clamping block to be fixedly connected with the distal fibula end; the second fixing frame is fixedly connected with the first fixing frame, the third kirschner wire penetrates through the second fixing frame and is fixedly connected with the far end of the fibula of the patient, and the second kirschner wire and the third kirschner wire form an included angle and are located in different planes. The fixing effect of the fibula far-end downward-moving single arm is good, and fixation can be conducted from multiple aspects.

The utility model relates to the technical field of medical instruments, in particular to an in-vitro fixing device for a cannula protector. The in-vitro fixing device for the cannula protector comprises a limiting plate, a binding piece and a clamping and fixing assembly, the limiting plate is used for being attached to the outside of the lips of a patient, the binding piece is connected between the two ends of the limiting plate and used for being bound to the head of the patient, a notch for a cannula to penetrate through is formed in the limiting plate, and the clamping and fixing assembly is connected with the limiting plate. The clamping and fixing assembly is arranged on the outer side of the notch of the limiting plate and used for clamping the insertion pipe penetrating through the notch. The cannula fixing device has the advantages that the structural design is simple and reasonable, the cannula can be effectively fixed after cannula insertion, and displacement of the cannula in the length direction of the cannula is avoided.

The utility model provides a portable external fixing device suitable for a hand fracture patient, and relates to the technical field of fracture rehabilitation. An arc-shaped groove is formed in the middle of the bearing block, and two through round holes are formed in the middle of the arc-shaped groove. The wrist of a patient can be fixed and limited through the limiting plate, four fingers can be fixed through the four finger grooves respectively, the thumb can be fixed and limited by the thumb groove and the thumb positioning plate, and therefore the fingers and the wrist can be fixed and limited respectively, the rehabilitation time of the wrist and the fingers is saved, the fracture end can be ensured not to move through wrist and finger fixing, and the rehabilitation effect is good. The device is simple in structure and convenient to use, bone healing is facilitated, movement of fracture parts can be reduced through good fixation, so that pain is relieved, and the problems that the wrist and the fingers of a patient are fractured and need to be fixed and limited respectively, otherwise, the wrist and the fingers are fixed together infirmly due to the too long distance, and the rehabilitation time of the wrist and the fingers is affected are solved.

The invention provides a needle-threading external fixation device and method for evaluating fracture healing based on mechanical inversion, and relates to the technical field of medical instruments. According to the device, the fracture of a patient is fixed through the fixing module, the device is high in integration level, easy and convenient to operate and wider in clinical applicability, stress data borne by the fixing module when the patient bears the weight is obtained through the monitoring module, objective and quantitative fracture healing evaluation indexes are provided, excessive dependence on experience and iconography is reduced, and the fracture healing effect is improved. The measurement principle is more direct, the accuracy and credibility of an evaluation result are improved, finally, through a data processing and transmission module, collected stress data are preliminarily calculated and transmitted to a computer end for mechanical inversion, the equivalent stiffness of the healing tissue of the fracture broken end is calculated, and the accuracy and credibility of the evaluation result are improved. The qualitative change of fracture healing evaluation from imaging evaluation to mechanical property evaluation is realized.

The utility model discloses a hand bone external use fixing device which comprises two bottom plates, an adjusting fixing structure is arranged at the upper ends of the two bottom plates, and a positioning structure is arranged between the two bottom plates. The adjusting and fixing structure comprises two supporting pillows, four adjusting grooves, four partition plates and eight fixing assemblies, according to the adjusting and fixing structure and the positioning structure, when the hand bone of a patient is externally fixed, the two arranged supporting pillows can be attached to the arm of the patient, and therefore the hand bone of the patient can be fixed through the adjusting and fixing structure and the positioning structure; according to different use requirements, the distance between the two supporting pillows can be adjusted, meanwhile, a lead screw adjusting mode is adopted, adjustment can be conducted according to different metal spicule positioning requirements, and the overall fixing effect of the metal spicules is guaranteed through the self-locking capacity of the lead screw.

The utility model discloses a wrist joint examination positioner which comprises a supporting part, and a lifting part is arranged on one side of the supporting part. The height of the lifting part is greater than that of the supporting part; a fixing frame is further arranged on the lifting part. And the fixing frame is U-shaped. After the palm of the patient is placed on the fixing frame and the elbow of the patient is located on the supporting part, the hand of the patient presents a high-wrist and low-elbow layout. The open type structure has good adaptability to obese, thin and weak patients or patients with plaster external fixing devices. Meanwhile, due to the design that the front portion is high and the rear portion is low, the comfortable experience of the patient in the posture placing process is improved, motion artifacts are reduced, the examination time is shortened, meanwhile, the examination quality can be improved, and based on the design, the examination bed is worthy of application and popularization.

The invention discloses a kidney disease dialysis tube in-vitro fixing device, and relates to the technical field of medical auxiliary instruments, the kidney disease dialysis tube in-vitro fixing device comprises a base body assembly used for being attached to the limbs or the waist and the abdomen of a patient, and placing a dialysis tube on the base body assembly; the tube body fixing assembly is arranged at the front end of the base body assembly and used for fixing and limiting the placed dialysis tube; the binding assemblies are arranged on the two sides of the base body assembly and used for binding the base body assembly to the limbs of a patient. The device comprises a furling box, a binding belt, a male buckle and a female buckle piece, wherein the female buckle piece buckles or releases the male buckle in a pressing mode; according to the technical scheme, the dialysis tube is buffered and fixed in a wrapping mode through the two sets of rubber rings, the whole device is bound and locked through the female fastener, and the flexible attaching structure and the composite structure type bandage on the device are combined, so that the requirements for stable fixing of the dialysis tube and comfortable wearing of a patient are effectively met; and safe and continuous dialysis treatment is ensured.