170 results about "Catheter securement device" patented technology

A catheter securement device includes a base defining a slot and at least one inertial damper attached to the base and extending above the slot. The slot and the at least one inertial damper can be relatively positioned so that when the slot is aligned over a catheter insertion site, a catheter tube exiting the catheter insertion site is receivable through the slot and coilable around at least a portion of the at least one inertial damper.

A catheter fixation device (10) includes a body (12), a catheter (16) having a proximal portion (18) and a distal portion that passes through an opening (14) in the body (12), and an anti-pull-out lock mechanism comprising an arcuate channel (24) bounded by a pair of arcuate walls (25, 26) extending from a floor of the body (12). A coiled portion (22) of the catheter (16) is constrained to move between the arcuate walls (25, 26) during movement of the proximal portion (18) and the distal portion remains substantially in place.

The utility model relates to the technical field of catheter fixing, in particular to a catheter fixing device which is convenient for limiting and fixing catheters with different lengths, and limiting and fixing the catheters to avoid displacement of the catheters, so that the practicability of the device in the using process is improved. A fixing cover is fixedly mounted at the top end of the fixing plate, a through hole is formed in the top end of the fixing plate, a fixing rod is fixedly mounted at the top end of the fixing plate and located in the fixing cover, a rotating cylinder is screwed on the outer side wall of the fixing rod, a handle is fixedly mounted at the top end of the rotating cylinder, and a cover plate is slidably mounted in the fixing cover. The cover plate is rotationally connected with the outer side wall of the rotating cylinder, a discharging groove is formed in one end of the fixed cover, a plurality of first plates are rotationally installed in the fixed cover, and limiting grooves are formed in the top ends of the first plates; and a limiting mechanism is arranged on the inner side wall of the fixed cover.

The utility model relates to the technical field of medical equipment, in particular to a PICC catheter fixing device which comprises a driving wrist guard plate, a driven wrist guard plate, an adjusting bandage and a PICC catheter body, the driving wrist guard plate and the driven wrist guard plate are connected through the adjusting bandage, wire arrangement grooves are formed in the upper surface of the driving wrist guard plate and the upper surface of the driven wrist guard plate at equal intervals, and the PICC catheter body is arranged in the wire arrangement grooves. The PICC catheter fixing device comprises a PICC catheter body, a driven wrist guard plate is arranged on the PICC catheter body, a limiting clamping plate is rotationally installed on the driven wrist guard plate, the PICC catheter body is clamped in a wire arrangement groove, fixing assemblies are symmetrically arranged on the limiting clamping plate, and the fixing assemblies are used for fixing the end of the PICC catheter body. By means of the innovation point, orderly and reasonable wire arrangement of the PICC catheter body can be achieved, the problem that wire arrangement of the catheter is disordered is effectively avoided, inconvenience possibly caused to a patient due to improper arrangement of the catheter is eliminated, and extremely high practicability is manifested.

To easily fix a catheter even in a state where a catheter fixture is fixed to the body surface. [Solution] The catheter fixing device (100) includes a catheter holding section (110) having a catheter insertion hole (140) through which a catheter (200) is inserted and frictionally engaged. The catheter holding section (110) has a first section (111) and a second section (112) that are displaceable between a preparation position and a use position, and a lock section (161) that holds the first section (111) and the second section (112) in the use position. The first section (111) and the second section (112) each have a first groove section (141) and a second groove section (142) provided on a first surface (131) and a second surface (132) that stand upright relative to the bottom surface, respectively. In the use position, the first surface (131) and the second surface (132) abut against each other, and the first groove section (141) and the second groove section (142) combine to form the catheter insertion hole (140).

The invention discloses a tooth-cushion-free oral tracheal intubation system, and particularly relates to a portable integrated bag which comprises a catheter, a fixing device and a guide wire, and the portable integrated bag can be used immediately after being opened and is efficient and convenient. Wherein the catheter comprises an oral cavity anti-biting section, a pharynx transition section and a trachea flexible section which are sequentially arranged, the section of the oral cavity anti-biting section is oval and can prevent biting deformation, the section of the pharynx transition section is gradually changed to be round from oval and can prevent collapse, and the trachea flexible section is an ultra-thin silica gel corrugated pipe and can reduce damage to airway mucosa; the fixing device comprises a fixator, a biological bonding fin and an anti-slip fixing band, the fixator is connected with the catheter in a buckled mode, the biological bonding fin can be bonded to the skin of the upper jaw of the human body, and the anti-slip fixing band can be fixedly arranged on the head of the human body in a sleeving mode, so that the catheter can be fixed without a tooth pad, operation steps are simplified, and the use experience of a patient is improved.

The invention discloses a catheter fixing device with an intelligent pressure alarm function, and relates to the technical field of catheter fixing. The pressure sensing element alarm is used for monitoring the pressed state of the drainage tube in real time, and when the catheter is distorted, pressed or the traction force exceeds a preset threshold value, sound-light alarm is automatically triggered, so that medical staff are helped to find the risk of tube blockage or non-planned tube drawing at the first time, and complications such as infection and tissue damage caused by unsmooth drainage are avoided; a medical-grade adhesive layer and anti-skid textures of the fixed base ensure the skin fitting firmness, and the traction force of the catheter is effectively dispersed in combination with a double-locking structure of the fixed clamping groove and the magnetic type fixed cover; the double-color LED indicating lamp visually displays the state of the catheter (normal green / alarm red), remote inspection is facilitated, the workload of medical staff is relieved, and the nursing quality and the safety of a patient are improved.

The utility model discloses an anti-skidding earcap type nasal catheter fixing device, which comprises a nasal catheter main body, one end of the nasal catheter main body is encircled into a ring shape, the other end of the nasal catheter main body is in a straight line shape with two parallel tubes, the straight line end of the nasal catheter main body is provided with a binding piece, and the ring-shaped end of the nasal catheter main body is fixedly communicated with an oxygen outlet. The ring-shaped end of the nasal catheter body is symmetrically and fixedly sleeved with two anti-skid ear caps, and a binding assembly is arranged at the ring-shaped end of the nasal catheter body. Compared with the prior art, the anti-slip earcap type nasal catheter fixing device is simple in structure, convenient to operate and easy to assemble, under the cooperation of the anti-slip earcaps and the binding assemblies, nasal catheters can be fixed more firmly, the anti-slip effect is good, the nasal catheters are not prone to falling off, smooth oxygen therapy is guaranteed, and the comfort level of patients is improved.

The utility model discloses a medical treatment towel with catheter fixing device, including treatment towel main part, the top of treatment towel main part is connected with the cover piece. The utility model uses, and the user can manually separate and push apart two operating pieces on the catheter fixed mouth, then the catheter on the patient's body passes through the catheter fixed mouth on the treatment towel main part, then loosens the operating piece, the elastic expansion structure that the symmetry of the inside of catheter fixed mouth is arranged through rubber spring and guide telescopic link and will push fixed pressure block each other close, realizes the fixed limit for the catheter of the catheter fixed mouth, and the rubber spring is according to commonly used catheter diameter corresponding selection, it can guarantee that both limit fixed catheter, and will not deflate catheter, and then make medical treatment towel structure compare the common one piece type treatment towel structure and increase the catheter fixed function, and the practicality is stronger.

The utility model discloses a catheter fixing device, and relates to the technical field of medical instruments, the catheter fixing device comprises a fixing paste and a fixing buckle which are connected, the fixing buckle comprises a base and a cover body which are connected in a turnover mode, the end portion of the cover body is provided with a clamping hook and a shifting block, the root portion of the clamping hook is elastic, the shifting block is arranged on the outer side of the clamping hook, and the clamping hook is provided with a clamping groove. The clamping hook and the shifting block are connected through an integrated elastic structure, the elastic structure is bent towards the cover face of the cover body, the hook portion of the clamping hook is bent inwards, the elastic structure extends out from the back face of the hook portion of the clamping hook, a clamping groove matched with the clamping hook is formed in the end of the base, and the elastic structure is arranged in the clamping groove. At least the end portion of the cover body is provided with a positioning column, at least the end portion of the base is provided with a positioning hole, and the positioning column is matched with the positioning hole in an inserted mode. The utility model provides a catheter fixing device, which reduces the clinical use risk, enables the replacement of a catheter to be simpler, more convenient, safer and easier, is simple to produce, and reduces the production cost.

The invention relates to the technical field of catheter fixing devices. The cardiology department clinical interventional therapy catheter fixing device comprises a binding assembly, a first connecting assembly is installed at one end of the binding assembly, a second connecting assembly is installed at the other end of the binding assembly, a limiting assembly is installed at the top of the binding assembly, and a fixing assembly is installed at the top of the binding assembly. The limiting assembly is connected with the fixing assembly and limits the fixing assembly. A binding bandage is bound on the body of a patient, a second fixing shaft slides into clamping grooves in two clamping arms, the second fixing shaft is fixed through the clamping grooves under the torsion action of a first torsion spring, and limiting plates on the inner sides of the clamping grooves can be clamped into limiting grooves in the outer wall of the second fixing shaft, so that the second fixing shaft is fixed. The friction force between the binding bandage and the skin of the patient can be increased through the multiple rubber sheets on the rubber belts at the two ends of the binding bandage, and therefore the installation stability of the binding bandage can be improved.

The invention discloses a catheter fixing device for surgical nursing, and relates to the technical field of catheter fixing.The catheter fixing device comprises a supporting plate, a supporting frame is fixedly installed at the bottom of the supporting plate, a connecting block is fixedly installed at the top of the supporting plate, a sliding groove is formed in the top of the supporting plate, and a lower clamp is fixedly installed at the top of the connecting block; a rotating groove is formed in the top of the lower clamp, the upper clamp is rotationally installed in the rotating groove in the top of the lower clamp, a square groove is formed in the arc face of the upper clamp, the fixing frame is slidably installed on the inner wall of the square groove, a fixing hole is formed in the surface of the fixing frame, and after the upper clamp is rotated, the arm of a patient can be fixed; the arm of a patient cannot move during injection, injection failure caused by movement of the arm of the patient during injection or damage to blood vessels caused by an injector during injection are prevented, and protectiveness of the patient is improved.

This invention relates to the field of medical catheter fixation devices, specifically providing a neonatal prone endotracheal tube fixation device, comprising a catheter fixation assembly and a fixation strap. The fixation strap includes a horizontal fixation strap and a central overhead fixation member. The central overhead fixation member includes an overhead strap and an elastic protruding tube. The upper part of the elastic protruding tube is connected to the upper front part of the overhead strap, and the lower end of the elastic protruding tube is connected to the catheter fixation assembly. The horizontal fixation strap has a mouthpiece hole in the middle, and connectors are connected to both ends. The outer side of the middle part of the horizontal fixation strap is connected to the catheter fixation assembly, and the two ends of the horizontal fixation strap are connected to each other through connectors and to the lower rear part of the overhead strap. This invention can be used for both oropharyngeal and nasotracheal tube fixation, providing more stable fixation and less pressure.

The utility model relates to a guide pipe fixing device which comprises a first clothes clamping unit, a second clothes clamping unit, a reset unit and a guide pipe clamping unit. The catheter fixing device has the advantages that a catheter is firmly fixed through the catheter clamping unit, and the fixing position of the catheter can be simply and flexibly adjusted according to needs; the first clothes clamping unit and the second clothes clamping unit are used in cooperation, the catheter clamping unit can be fixed to the needed position, the fixing modes are diversified, the use range is widened, the comfort of a patient is improved, the risk of accidental catheter pulling is reduced, and the patient can freely operate at any time and any place according to use requirements.

Fluid delivery securement systems, needleless connector securement systems, and methods for regulating fluid delivery with these systems are disclosed. The fluid delivery securement system comprises a catheter securement system and a needleless connector securement system. The catheter securement system and the needleless connector securement system are primary and secondary securement devices that prevent harmful movement of the fluid delivery devices. The catheter securement system includes a catheter securement device adhered to the patient and a catheter hub comprising one or more catheters. The needleless connector securement system comprises a securement device adhered to the patient. The securement device is movably coupled to a bracket, which can be coupled to different needleless connectors. The needleless connectors, in turn, are coupled to catheters. The bracket can rotate and translate the needleless connector and the catheter relative to the securement device, which facilitates clinician access to the needleless connector and the catheter.

The utility model provides a catheter outer surface detection device, and belongs to the technical field of quality detection. The lead screw nut mechanism is mounted on the operating platform; the detection table is mounted on the sliding block of the lead screw nut mechanism and is used for bearing a to-be-detected guide pipe; the fixing device is used for fixing the catheter to be detected on the detection table; and the detection device is mounted on the operation platform and is used for carrying out visual detection on the guide pipe on the detection platform. According to the utility model, the lead screw nut mechanism is controlled to drive the detection table to move along the lead screw nut mechanism, and the detection device detects the conduit, so that the industrial problems of low manual detection efficiency and high omission ratio are solved.

The invention relates to a catheter fixing device which comprises a fixing ring seat, a rotating ring cover, a locking mechanism and a catheter auxiliary fixing mechanism. A locking mechanism is arranged between the rotating ring cover and the fixed ring seat, the locking mechanism is used for restraining the rotating ring cover at any locking position on the fixed ring seat after the rotating ring cover rotates relative to the fixed ring seat, a center hole is formed in the rotating ring cover, a catheter penetrates through the center hole, and the catheter auxiliary fixing mechanism is arranged on one side of the fixed ring and used for fixing the catheter. The innovation points are as follows: an inner hoop is further included, the inner hoop is composed of a plurality of inner hoop sliding blocks with the same structure, the plurality of inner hoop sliding blocks are arranged in the circumferential direction of the fixed ring seat and are rotationally connected with the fixed ring seat, and meanwhile, the upper ends of the plurality of inner hoop sliding blocks are further in sliding fit with the rotary ring cover. The device is convenient to use, does not need to bind and fix the catheter through a suture, can form a relatively closed space in the use process, and is not easy to cause infection.

The present invention discloses a catheter fixing device for ICU nursing, comprising an automatic support component, a propulsion clamping component, an intervention shell, a central connector, a central through hole and an elastic ear strap. The present invention belongs to the technical field of nursing catheter fixing devices, and specifically refers to a catheter fixing device for ICU nursing; in order to solve the problem that the existing respiratory catheter fixer easily causes oral or facial discomfort in patients, the present invention proposes an automatic support component, and after the water-absorbent resin particles absorb water, the intervention shell can further expand, which helps the intervention shell to be better fixed in the patient's mouth. The expanded water-absorbent resin particles can also make the propulsion plate move in the direction of the central through hole, so the propulsion plate pushes the serpentine clamping plate to move, and the moving column slides in the waist-shaped groove to provide guidance for the movement of the serpentine clamping plate, so that the two groups of serpentine clamping plates gradually fix the catheter, which can provide a better support effect for the catheter.

The utility model relates to the technical field of hepatobiliary surgery, in particular to a catheter fixing device which comprises a mounting block, a rectangular block and a fixing mechanism, an adjusting mechanism is arranged in the mounting block, a fixing block is arranged at one end of the mounting block, a fixing clamp and a moving clamp are arranged on the fixing block, a fixing plate is arranged below the rectangular block, and a mounting groove is formed in the rectangular block. A mounting groove is formed in the C-shaped block, a plurality of first teeth are arranged in the mounting groove, the fixing mechanism comprises a screw rod, a first L-shaped block and a second L-shaped block, a limiting ring is arranged on the screw rod, a cavity is formed in the first L-shaped block, a threaded groove is formed in the second L-shaped block, and a limiting groove is formed in the fixing plate. The distance between the first L-shaped block and the second L-shaped block is adjusted through the screw rod, so that the first L-shaped block and the second L-shaped block fix the surgical bed edge, and the fixing mode effectively prevents the situation of looseness.

The invention discloses a peripheral vessel interventional catheter fixing device which comprises a mounting mechanism, a catheter clamping mechanism used for fixing an interventional catheter is arranged on the side face of the mounting mechanism, an adjusting mechanism is arranged between the catheter clamping mechanism and the mounting mechanism and used for steering adjustment of the catheter clamping mechanism, and the catheter clamping mechanism is connected with the mounting mechanism through the adjusting mechanism; a driving seat is slidably connected to the inner side of the mounting mechanism, the end, away from the pipe clamping mechanism, of the adjusting mechanism is connected with the driving seat, and a driving assembly used for driving the driving seat is further arranged in the mounting mechanism. According to the peripheral vessel interventional catheter fixing device, the interventional catheter can be fixed through the mounting mechanism and the catheter clamping mechanism, the driving seat can be driven to move through the adjusting knob, then the adjusting mechanism is driven to adjust the position of the catheter clamping mechanism, and meanwhile the adjusting mechanism can achieve steering adjustment of the catheter clamping mechanism; and the fixing requirements of the peripheral vascular intervention catheter in different use scenes are met.

The utility model discloses a wearable medical catheter fixing device which comprises a base, bandages are arranged at the left end and the right end of the base, a cushion layer is arranged on the base, an adjusting rod is arranged on the left side of the top of the base, a fixing rod is arranged on the right side of the top of the base, a pressing plate assembly capable of swinging is arranged on the adjusting rod, and a deformation rib is arranged at the bottom of the pressing plate assembly. A first adjusting piece for adjusting the height of the pressing plate assembly and fixing the pressing plate assembly is arranged on the adjusting rod; the fixing rod is provided with a second adjusting piece used for fixing the pressing plate assembly. According to the fixing device, the cushion layer and the deformation rib are arranged on the base and at the bottom of the pressing plate assembly, the cushion layer and the deformation rib deform after being extruded, the medical catheter is fixed by increasing the contact area and the friction force, and the fixing stability is good; the height of the pressing plate assembly can be adjusted on the adjusting rod through the first adjusting piece, and medical catheters of different sizes, shapes and structures and medical instruments such as heparin caps used in cooperation with the medical catheters can be fixed.

The utility model belongs to the technical field of medical instruments, and discloses an improved dental pad for gastroscopy, which is characterized in that an anti-bite pad body is connected to the inner side of a dental pad body, a rectangular flaring is arranged at the hollow position of the anti-bite pad body, trapezoidal hollow through holes are arranged on two sides of the anti-bite pad body, and a tracheal catheter fixing device is arranged below the through hole on one side of the anti-bite pad body; the outer side portion of a C-shaped elastic clamping arm of the tracheal catheter fixing device is connected with roller guide-in blocks which roll symmetrically, the outer side portion of the C-shaped elastic clamping arm is fixedly connected with the side face of the anti-bite pad body, a hook is fixedly arranged on the outer side portion of the C-shaped elastic clamping arm, and an elastic piece used for holding a tracheal catheter is fixedly connected to the hook in a sleeved mode. The hook penetrates through the roller guide-in block to be connected with the hook in a sleeved mode and is installed on the inner side of the roller guide-in block. By means of the improved design, the tracheal catheter can be fixed and prevented from shifting, meanwhile, the tracheal catheter and the tracheal catheter fixing device can be rapidly separated, the operation of pulling out the tracheal catheter is greatly simplified, operation of medical staff is facilitated, and the safety of a patient is guaranteed.

The present invention pertains to a flexible universal catheter securement device having a longitudinal axis perpendicular to a transverse axis. The securement device preferably secures catheters with a hub. The device has a lower base attached to an upper base having a first integral securement strap and a second integral securement strap. The lower base has an upper side and a lower side, each having an adhesive. When the first strap and second strap are in an open position, the straps extend longitudinally from the upper base at folding lines parallel to the transverse axis. The straps are preferably separated by a circular opening smaller than the outside diameter of the hub. Each strap has an inside edge, where the inside edge comprises a portion of the circular opening and the inside edge is longer than the outside edge of the strap.

The utility model relates to the field of medical supplies, in particular to a body surface catheter fixing device facilitating direction adjustment. According to the body surface catheter fixing device convenient to adjust, a fixing base is arranged on a bonding layer, a clamping device is arranged on the fixing base, a fixing shaft is arranged in the middle of the fixing base, a fixing hole is formed in the clamping device, and the fixing shaft is sleeved with the fixing hole. The clamping device comprises a clamping seat and a clamping cover, a fixing cavity is formed in the middle of the clamping seat, a separation rod is arranged in the middle of the fixing cavity, a fixing inner table is arranged on the inner side of the fixing cavity, a fixing outer table is arranged on the outer side of the fixing cavity, a first fixing hole and a second fixing hole are formed in the fixing outer table, and a first fixing groove is formed in the outer side of the fixing outer table; the middle of the clamping cover is a downwards-sunken matching cavity, a matching rod is arranged in the middle of the matching cavity, and a middle fixing hole is formed in the middle of the matching rod. The catheter fixing device can adjust the direction of a catheter in real time according to conditions, and work of medical workers is reduced.

The utility model belongs to the technical field of medical instruments, and particularly relates to a catheter fixing device for hepatobiliary surgery nursing, which comprises a support plate, a bandage and a catheter through hole, two rotating carrying discs are rotatably connected to the inner wall of the support plate, a plurality of sliding blocks are slidably connected to the side walls of the two rotating carrying discs, and the catheter through hole is communicated with the bandage. One end of each sliding block is fixedly connected with a connecting rod, one end of each connecting rod is fixedly connected with an arc-shaped clamping plate used for limiting a guide pipe, the two rotary carrying discs rotate synchronously, and two L-shaped push plates are slidably connected to one side of the supporting plate. The rotating carrying disc is controlled to drive the arc-shaped clamping plate to rotate to complete switching, catheters of different models and sizes can be conveniently switched and used, operation is easy and convenient, hospitals do not need to purchase various fixing devices of different models and sizes, the cost expenditure is reduced, and due to the non-glue type bonding fixing mode, the fixing effect is good. The situation that the skin of the patient is injured by the glue mixture, and the health of the patient and the comfort degree during treatment are affected is prevented.

A conduit fixation device (50) comprising a support (52), at least one first elastically stretchable strap (54) coupled to the support (52) and including a portion (54) configured to be attached around a first region of a conduit, at least one force sensor (74) attached to a sensor portion (68) of the device (50), the at least one force sensor (74) configured to sense a force applied to the device (50) as a result of a force applied to the conduit, generate a force signal representative of the force applied to the device, determine when the force signal meets at least one or more threshold values ​​and generate an alarm signal, and an alarm in communication with the force sensor (74) and configured to receive the alarm signal and generate an alarm. A medical system is also provided comprising the conduit fixation device and at least one conduit secured to the device.

The utility model relates to the technical field of hemodialysis catheter fixing, and particularly discloses an anti-falling hemodialysis catheter fixing device which comprises a supporting rod, a connecting rod is installed at one end of the supporting rod, a fixing rod is installed in the middle of the top end of the connecting rod, a connecting pipe is installed at the top end of the fixing rod, and a penetrating rod is movably connected into the connecting pipe in a penetrating mode. A supporting plate is installed at one end of the inserting rod, four fixing structures are arranged on the upper portion of one end of the supporting plate at equal intervals, a fixing base is installed on the upper portion of the other end of the supporting plate, and four limiting structures are installed on the outer surface of the fixing base at equal intervals; the number of the supporting frames, the number of the limiting blocks and the number of the connecting blocks are all two, the two supporting frames are installed on the two sides of the outer surface of the installation plate, and the two limiting blocks are connected to the outer surfaces of one ends of the two supporting frames in a penetrating and inserting mode. The fixing stability of the hemodialysis catheter is enhanced, and the catheter is prevented from falling off or shifting.

The utility model provides a catheter fixing device for anesthesia department nursing, and relates to the field of catheter fixing, the catheter fixing device for anesthesia department nursing comprises a connecting assembly, a needle head component, a catheter, a pasting piece and two fixing assemblies, and the pasting piece and the fixing assemblies are pasted to the lower portion of the infusion position of the arm of a patient. The two fixing assemblies are pulled towards the outer sides of the fixing assemblies, the fixing assemblies are shrunk, the connecting assembly is placed at the proper positions in the two fixing assemblies, at the moment, the pulling force towards the outer side is canceled, the fixing assemblies are restored to the initial state under the elasticity of the fixing assemblies, the connecting assembly is clamped, and a guide pipe is clamped into a clamping block; through linkage cooperation of the structures, fixation of the catheter is completed, the fixing assembly can limit and fix connecting assemblies of different models, the situation that a needle moves in the body of a patient can be reduced, and the efficiency of infusion and monitoring work of the patient is improved.

The utility model discloses a catheter fixing device for medical nursing, and relates to the technical field of fixing devices, the catheter fixing device for medical nursing further comprises a canvas adhesive tape, a mounting plate is fixedly connected to the top of the canvas adhesive tape, a baffle is fixedly connected to one side of the top of the mounting plate, a second fixing block is arranged on one side of the baffle, and a first groove is formed in one side of the second fixing block; a second fixing block is arranged on one side of the mounting plate, a plurality of third fixing blocks are arranged on one side of the second fixing block, second grooves are formed in the two sides of each third fixing block, a fixing mechanism used for fixing a guide pipe is arranged on one side of the mounting plate, and the fixing mechanism comprises a movable plate which is detachably connected to one side of the mounting plate. And when a worker needs to detach a second fixing block and a third fixing block, the worker can detach the movable plate firstly, so that the second fixing block and the third fixing block cannot be directly bounced off by a rebounded first spring, and the situation that the second fixing block and the third fixing block fall on the ground and are lost is avoided.