Fixing device for endothecal morphine pump catheter

Abstract

The invention relates to the technical field of intrathecal morphine pumps, and discloses an intrathecal morphine pump catheter fixing device which comprises a mounting plate, a connecting frame is fixedly connected to the front side face of the mounting plate, a fixed clamping plate is fixedly connected to the front side face of the connecting frame, and a movable clamping plate is slidably connected to the inner surface of the connecting frame. A limiting semi-ring fixes a catheter to prevent the catheter from being pulled in the using process to cause potential safety hazards to a patient, an elastic rubber pad makes elastic contact with the catheter to prevent the surface of the catheter from being clamped, the limiting semi-ring can clamp the catheters of different thicknesses, the applicability of the device is improved, a telescopic plate moves front and back to change the clamping distance of the limiting semi-ring, and the clamping distance of the limiting semi-ring is changed. And the long guide pipe is prevented from being pulled in the air, the applicability and the use safety of the device are further improved, the limiting semi-rings drive the guide pipe to rotate and be wound around the rotating rod, then the guide pipe is rapidly collected, and the use convenience of the device is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of intrathecal morphine pumps, in particular to a fixing device for an intrathecal morphine pump catheter. Background Art

[0002] An intrathecal morphine pump is an instrument that injects morphine and other drugs into the cerebrospinal fluid in the subarachnoid space through a catheter, directly binds to the opioid receptors in the posterior horn of the spinal cord, and inhibits the release of pain substances to achieve the purpose of analgesia. During the use of the intrathecal morphine pump, the catheter needs to be fixed to prevent it from being dragged. In the prior art, medical staff usually hold the catheter directly with their hands, which results in an unstable catheter when injecting drugs into the cerebrospinal fluid in the subarachnoid space, which can easily create safety hazards.

[0003] The patent with the announcement number CN112843429B discloses a fixing device for an intrathecal morphine pump catheter, which includes a mounting assembly, a translation assembly and a fixing assembly, wherein the mounting frame is fixed to the base, the left end of the rotating shaft is fixed to the rotating block, the right end of the rotating shaft rotates on the mounting frame, one end of the driving rod is fixed to the rotating shaft, the other end of the driving rod rotates on the mounting frame, the transmission seat is transmitted to the driving rod, and the transmission seat is slidably connected to the mounting frame, the support frame is arranged on the transmission seat, the mounting seat is fixed to the support frame, the pressing block is hinged to the mounting seat, one end of the elastic member is fixed to the support frame, and the elastic member The other end is fixed to the pressing block, the hinged head is fixed to the pressing block, the locking block is hinged to the hinged head, and the locking block runs through the support frame, one end of the protective coil is fixedly connected to the support frame, and the other end of the protective coil can contact the locking block. The device can temporarily fix the catheter during the operation, thereby avoiding the phenomenon of loose fixation and easy slippage. Although this patent solves the above problems, it is still difficult to fix the catheter, which is prone to safety hazards. Therefore, a fixing device for an intrathecal morphine pump catheter is proposed to solve the above problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a fixing device for an intrathecal morphine pump catheter in view of the deficiencies in the above-mentioned prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a fixing device for an intrathecal morphine pump catheter, comprising a mounting plate, a connecting frame is fixedly connected to the front side of the mounting plate, a fixed clamp is fixedly connected to the front side of the connecting frame, a movable clamp is slidably connected to the inner surface of the connecting frame, a screw is rotatably connected to the inner surface of the connecting frame, a linear motor is fixedly connected to the upper surface of the mounting plate, a rotating block is hingedly connected to the moving end of the linear motor, a telescopic shell is fixedly connected to the front side of the rotating block, a telescopic plate is slidably connected to the inner surface of the telescopic shell, and the telescopic plate is slidably connected to the inner surface of the telescopic shell. The inner surface of the shrinking plate is rotatably connected with a rotating rod, the circumferential surface of the rotating rod is provided with a sliding groove, the inner surface of the sliding groove is slidably connected with a slider, the upper surface of the slider is fixedly connected with a limited semi-ring, the inner surface of the limited semi-ring is fixedly connected with an elastic rubber pad, the left and right sides of the inner surface of the sliding groove are fixedly connected with an elastic telescopic rod, the upper surface of the rotating block is fixedly connected with a connecting shaft, a pump body fixing device for fixing the morphine pump is arranged above the mounting plate, a protective device for protecting the morphine pump and the catheter is arranged above the mounting plate, the circumferential surface of the screw and the movable clamp The inner surface of the plate is threadedly connected, and one end of the elastic telescopic rod 1 away from the inner surface of the two sides of the slide groove is fixedly connected to the slider, and the end of the catheter is clamped between the limiting semi-rings to fix the catheter. The elastic rubber pad is in elastic contact with the catheter, and the elastic rubber pad and the limiting semi-ring are slid and deviated in the slide groove through the slider after being resisted by catheters of different thicknesses and squeeze the elastic telescopic rod 1. At the same time, the elasticity of the elastic telescopic rod 1 always supports the slider and the limiting semi-ring, so that the limiting semi-ring and the elastic rubber pad can clamp catheters of different thicknesses. When catheters of different lengths are fixed, the telescopic plate is slid out or retracted into the telescopic plate. In the retractable sleeve, the telescopic plate drives the rotating rod and the slider to move forward and backward, and the slider drives the limiting semi-ring and the elastic rubber pad to move forward and backward. When it is necessary to translate to a different position, the linear motor is started, and the linear motor drives the rotating block to move left and right, and the rotating block drives the telescopic sleeve and the telescopic plate to move left and right, and the telescopic plate drives the rotating rod and the slider to move left and right, and the slider drives the catheter to move left and right through the limiting semi-ring and the elastic rubber pad. When the catheter is pulled out of the sheath, the rotating rod is rotated, and the rotating rod drives the slider to rotate, and the slider drives the catheter to rotate and wind around the rotating rod through the limiting semi-ring and the elastic rubber pad, thereby quickly retracting the catheter.

[0006] Preferably, the pump body fixing device includes a turning button, a left half hoop, and a right half hoop, the turning button is rotatably connected to the circumferential surface of the connecting shaft, the left half hoop is hinged on the upper surface of the turning button, and the right half hoop is hinged on the upper surface of the turning button. The pump body fixing device also includes an arc-shaped inner splint, a connecting hole, a second elastic telescopic rod, an arc-shaped side splint, and a connecting rod. The arc-shaped inner splint is fixedly connected to the inner surface of the left half hoop, the connecting hole is opened on the front and rear sides of the arc-shaped inner splint, the second elastic telescopic rod is fixedly connected to the inner surface of the connecting hole, and the arc-shaped side splint is fixedly connected to the elastic telescopic rod. The second retractable rod is away from one end of the arc-shaped inner clamp, the connecting rod is fixedly connected to the left side of the connecting shaft, the arc-shaped inner clamp and the inner surface of the right half clamp are fixedly connected, the outer arc surface of the arc-shaped side clamp and the inner surface of the left half clamp are in contact with each other, the outer arc surface of the arc-shaped side clamp and the inner surface of the right half clamp are in contact with each other, a torsion spring is arranged at the hinge of the left half clamp and the turning button, and a torsion spring is arranged at the hinge of the right half clamp and the turning button. The left half clamp and the right half clamp are opened to the left and right sides, the morphine pump is placed between the arc-shaped inner clamp, and then the left half clamp and the right half clamp are loosened, and the torsion spring is The elastic reset action drives the left and right half clamps to reset, at which time the top ends of the left and right half clamps approach each other and drive the arc-shaped inner clamps to approach each other, thereby clamping the morphine pump. When the morphine pump needs to be rotated left and right to adjust the angle, the knob is turned to rotate the knob on the connecting shaft, and the knob drives the left and right half clamps to rotate. The left and right half clamps then drive the morphine pump to rotate left and right through the arc-shaped inner clamp. When the morphine pump needs to be rotated forward and backward to adjust the angle, the rotating block is turned to rotate the rotating block forward and backward. The rotating block drives the rotating block through the connecting shaft and the knob. The left half hoop and the right half hoop rotate forward and backward, and the left half hoop and the right half hoop drive the morphine pump to rotate forward and backward through the arc-shaped inner splint, and when the rotating block moves left and right, it drives the connecting shaft and the knob to move left and right, and the knob drives the left half hoop and the right half hoop to move left and right, and the left half hoop and the right half hoop drive the morphine pump to move left and right through the arc-shaped inner splint. When fixing morphine pumps of different thicknesses, the arc-shaped side splint is pulled forward and backward and then released, and the elastic reset effect of the elastic telescopic rod 2 pulls the arc-shaped side splint close to the arc-shaped inner splint, and the arc-shaped side splint stops after contacting the front and rear sides of the morphine pump.

[0007] Preferably, the protective device includes a protective box, a baffle, a limit block, and a limit convex plate, the protective box is fixedly connected to the upper surface of the mounting plate, the baffle is slidably connected to the right inner surface of the protective box, the limit block is fixedly connected to the upper surface of the baffle, and the limit convex plate is fixedly connected to the front and rear sides of the inner wall of the protective box, the protective device also includes a through slot, a sliding frame, a limit card plate, a positioning rod, and a contact plate, the through slot is opened at the top of the protective box, the sliding frame is fixedly connected to the inner surface of the through slot, the limit card plate is fixedly connected to the upper surface of the protective box, the positioning rod is slidably connected to the inner surface of the limit card plate, the contact plate is fixedly connected to the left end of the connecting rod, the lower surface of the baffle and the upper surface of the limit convex plate are in contact with each other, the lower surface of the limit block and the upper surface of the protective box are in contact with each other, the left end of the positioning rod is fixedly connected to the right side of the sliding frame, a spring is arranged between the right side of the sliding frame and the left side of the limit card plate, and a positioning hole is opened at the bottom of the baffle. When the cam is in the position where the lever is moved to the left, the lever is moved to the left and the lever is moved to the right, thereby releasing the lever from the engagement ring and allowing the lever to move out of engagement with the lever.

[0008] The present invention adopts the above technical solution, which can bring the following beneficial effects: 1. The fixing device of the intrathecal morphine pump catheter has a limiting semi-ring to fix the catheter to prevent the catheter from being pulled during use and causing safety hazards to the patient. The elastic rubber pad is in elastic contact with the catheter to prevent the surface of the catheter from being pinched. The limiting semi-ring can clamp catheters of different thicknesses, which improves the applicability of the device. The telescopic plate moves back and forth to change the clamping distance of the limiting semi-ring to prevent longer catheters from hanging in the air and being pulled, further improving the applicability and safety of the device. The limiting semi-ring drives the catheter to rotate and wrap around the rotating rod, and then quickly retracts the catheter, further improving the convenience of use of the device. 2. The fixing device of the intrathecal morphine pump catheter, the arc-shaped inner splint clamps the morphine pump to fix the morphine pump, and no manual holding is required, which improves the stability of the morphine pump when in use. The arc-shaped inner splint drives the morphine pump to move left and right, so that the morphine pump can be adjusted and moved at multiple angles, which improves the convenience of the device. The arc-shaped side splint stops after contacting the front and back sides of the morphine pump. At this time, the elastic force of the elastic telescopic rod 2 makes the arc-shaped side splint clamp from the front and back sides, which improves the clamping stability and applicability of the device to the morphine pump. 3. The fixing device of the intrathecal morphine pump catheter, the protective box can protect the catheter and the morphine pump, prevent the catheter and the morphine pump from being damaged by impact and pulling, and improve the safety of temporary storage after use. The baffle blocks the right side of the protective box, so that the catheter and the morphine pump are fully protected, which improves the safety of protection. The positioning rod is inserted into the positioning hole to lock the baffle, so that the catheter and the morphine pump can be easily and quickly removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the three-dimensional overall structure of the present invention; Figure 2 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the present invention; Figure 3 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the telescopic cover of the present invention; Figure 4 For the present invention Figure 3 A is a schematic diagram of the enlarged structure of the middle part; Figure 5 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the pump body fixing device of the present invention; Figure 6 For the present invention Figure 5 Schematic diagram of the enlarged structure of B; Figure 7 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the protective device of the present invention; Figure 8 For the present invention Figure 7 Schematic diagram of the enlarged structure of C in the figure.

[0010] In the figure: 1. mounting plate; 2. connecting frame; 3. fixed splint; 4. movable splint; 5. screw; 6. linear motor; 7. rotating block; 71. telescopic housing; 72. telescopic plate; 73. rotating rod; 74. slideway; 75. slider; 76. elastic telescopic rod 1; 77. limiting half ring; 78. elastic rubber pad; 79. connecting shaft; 8. pump body fixing device; 81. turning knob; 82. left half clamp; 83. right half clamp; 84. arc-shaped inner splint; 85. connecting hole; 86. elastic telescopic rod 2; 87. arc-shaped side splint; 88. connecting rod; 9. protective device; 91. protective box; 92. baffle; 93. limiting block; 94. limiting convex plate; 95. through groove; 96. sliding frame; 97. limiting card plate; 98. positioning rod; 99. contact plate. DETAILED DESCRIPTION

[0011] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0012] See also Figure 1-Figure 8, one embodiment of the present invention is: a fixing device for an intrathecal morphine pump catheter, comprising a mounting plate 1, a connecting frame 2 is fixedly connected to the front side of the mounting plate 1, a fixed splint 3 is fixedly connected to the front side of the connecting frame 2, a movable splint 4 is slidably connected to the inner surface of the connecting frame 2, a screw 5 is rotatably connected to the inner surface of the connecting frame 2, a linear motor 6 is fixedly connected to the upper surface of the mounting plate 1, a rotating block 7 is hingedly connected to the moving end of the linear motor 6, a telescopic shell 71 is fixedly connected to the front side of the rotating block 7, a telescopic plate 72 is slidably connected to the inner surface of the telescopic shell 71, a rotating rod 73 is rotatably connected to the inner surface of the telescopic plate 72, a sliding groove 74 is provided on the circumferential surface of the rotating rod 73, a sliding groove 74 is slidably connected to the inner surface of the sliding groove 74, a slider 75 is fixedly connected to the upper surface of the slider 75 with a limited semi-ring 77, an elastic rubber pad 78 is fixedly connected to the inner surface of the limited semi-ring 77, an elastic telescopic rod 76 is fixedly connected to the left and right sides of the inner surface of the sliding groove 74, and the upper surface of the rotating block 7 The fixing of the connecting shaft 79 is carried out, and the limiting semi-ring 77 fixes the catheter to prevent the catheter from being pulled during use and causing safety hazards to the patient. The elastic rubber pad 78 is in elastic contact with the catheter to prevent the catheter surface from being pinched. The limiting semi-ring 77 can clamp catheters of different thicknesses, thereby improving the applicability of the device. A pump body fixing device 8 for fixing the morphine pump is provided above the mounting plate 1. A protective device 9 for protecting the morphine pump and the catheter is provided above the mounting plate 1. The circumferential surface of the screw 5 is threadedly connected to the inner surface of the movable splint 4. One end of the elastic telescopic rod 76 away from both sides of the inner surface of the slide groove 74 is fixedly connected to the slider 75. The telescopic plate 72 moves forward and backward to change the clamping distance of the limiting semi-ring 77 to prevent longer catheters from being pulled while hanging in the air, thereby further improving the applicability and safety of use of the device. The limiting semi-ring 77 drives the catheter to rotate and wrap around the rotating rod 73, thereby quickly retracting the catheter, thereby further improving the convenience of use of the device.

[0013] Working principle: The end of the catheter is clamped between the limiting semi-rings 77 to fix the catheter to prevent the catheter from being pulled during use and causing safety hazards to the patient. The elastic rubber pad 78 is in elastic contact with the catheter to prevent the catheter surface from being pinched, and the elastic rubber pad 78 and the limiting semi-ring 77 are slid and offset in the slide groove 74 through the slider 75 after being resisted by catheters of different thicknesses and squeeze the elastic telescopic rod 1 76. At the same time, the elasticity of the elastic telescopic rod 1 76 always supports the slider 75 and the limiting semi-ring 77, so that the limiting semi-ring 77 and the elastic rubber pad 78 can clamp catheters of different thicknesses, thereby improving the applicability of the device. When catheters of different lengths are fixed, the telescopic plate 72 is slid out or retracted into the telescopic shell 71, and the telescopic plate 72 drives the rotating rod 73 and the slider 75 to move back and forth, and the slider 75 drives the limiting semi-ring 77 and the elastic rubber pad 78 to move back and forth, By changing the clamping distance between the limiting semi-ring 77 and the elastic rubber pad 78, the longer catheter is prevented from being pulled while hanging in the air, which further improves the applicability and safety of the device. When it is necessary to translate to a different position, the linear motor 6 is started, and the linear motor 6 drives the rotating block 7 to move left and right. The rotating block 7 drives the telescopic sleeve 71 and the telescopic plate 72 to move left and right. The telescopic plate 72 drives the rotating rod 73 and the slider 75 to move left and right. The slider 75 then drives the catheter to move left and right through the limiting semi-ring 77 and the elastic rubber pad 78, so that the catheter can be quickly moved to different positions, which improves the convenience of use of the device. When the catheter is withdrawn from the sheath, the rotating rod 73 is rotated, and the rotating rod 73 drives the slider 75 to rotate. The slider 75 then drives the catheter to rotate and wind around the rotating rod 73 through the limiting semi-ring 77 and the elastic rubber pad 78, so that the catheter can be quickly retracted, which further improves the convenience of use of the device.

[0014] See also Figure 1-Figure 8On the basis of the above embodiment, in another embodiment of the present invention, the pump body fixing device 8 includes a knob 81, a left half hoop 82, and a right half hoop 83. The knob 81 is rotatably connected to the circumferential surface of the connecting shaft 79, the left half hoop 82 is hinged on the upper surface of the knob 81, and the right half hoop 83 is hinged on the upper surface of the knob 81. The arc-shaped inner splint 84 clamps the morphine pump to fix the morphine pump without manual hand-holding, thereby improving the stability of the morphine pump during use. The arc-shaped inner splint 84 drives the morphine pump to move left and right, so that the morphine pump can be adjusted and moved at multiple angles, thereby improving the convenience of use of the device. The pump body fixing device 8 also includes an arc-shaped inner splint 84, a connecting hole 85, an elastic telescopic rod 86, an arc-shaped side splint 87, and a connecting rod 88. The arc-shaped inner splint 84 is fixedly connected to the inner surface of the left half hoop 82, and the connecting hole 85 is opened in the arc On the front and rear sides of the curved inner splint 84, the elastic telescopic rod 86 is fixedly connected to the inner surface of the connecting hole 85, the arc-shaped side splint 87 is fixedly connected to the end of the elastic telescopic rod 86 away from the curved inner splint 84, the connecting rod 88 is fixedly connected to the left side of the connecting shaft 79, the curved inner splint 84 and the inner surface of the right half hoop 83 are fixedly connected, the outer arc surface of the curved side splint 87 and the inner surface of the left half hoop 82 are in contact with each other, the outer arc surface of the curved side splint 87 and the inner surface of the right half hoop 83 are in contact with each other, a torsion spring is provided at the hinge of the left half hoop 82 and the turning button 81, and a torsion spring is provided at the hinge of the right half hoop 83 and the turning button 81. The curved side splint 87 stops after contacting the front and rear sides of the morphine pump. At this time, the elastic force of the elastic telescopic rod 86 makes the curved side splint 87 clamped from the front and rear sides, thereby improving the clamping stability and applicability of the device to the morphine pump.

[0015] Working principle: Split the left half hoop 82 and the right half hoop 83 to the left and right sides, put the morphine pump between the arc-shaped inner clamping plates 84, and then loosen the left half hoop 82 and the right half hoop 83. The elastic reset action of the torsion spring drives the left half hoop 82 and the right half hoop 83 to reset. At this time, the top ends of the left half hoop 82 and the right half hoop 83 approach each other and drive the arc-shaped inner clamping plates 84 to approach each other, thereby clamping the morphine pump, fixing the morphine pump, and improving the morphine pump. The pump is stable when in use. When the morphine pump needs to be rotated left and right to adjust the angle, the knob 81 is turned to rotate the knob 81 on the connecting shaft 79. The knob 81 drives the left half hoop 82 and the right half hoop 83 to rotate. The left half hoop 82 and the right half hoop 83 then drive the morphine pump to rotate left and right through the arc-shaped inner clamping plate 84. When the morphine pump needs to be rotated forward and backward to adjust the angle, the rotating block 7 is turned to rotate the rotating block 7 forward and backward. The rotating block 7 is connected to the connecting shaft 79 and The knob 81 drives the left half hoop 82 and the right half hoop 83 to rotate forward and backward, and the left half hoop 82 and the right half hoop 83 drive the morphine pump to rotate forward and backward through the arc-shaped inner clamping plate 84, and when the rotating block 7 moves left and right, it drives the connecting shaft 79 and the knob 81 to move left and right, and the knob 81 drives the left half hoop 82 and the right half hoop 83 to move left and right, and the left half hoop 82 and the right half hoop 83 drive the morphine pump to move left and right through the arc-shaped inner clamping plate 84, so that the morphine pump can be adjusted at multiple angles. The arc-shaped side clamp 87 is pulled forward and backward and then released when fixing morphine pumps of different thicknesses. The elastic reset action of the elastic telescopic rod 86 pulls the arc-shaped side clamp 87 close to the arc-shaped inner clamp 84. The arc-shaped side clamp 87 contacts the front and back sides of the morphine pump and stops. At this time, the elastic force of the elastic telescopic rod 86 clamps the arc-shaped side clamp 87 from the front and back sides, thereby improving the clamping stability and applicability of the device to the morphine pump.

[0016] See also Figure 1-Figure 8On the basis of the above-mentioned embodiment, in another embodiment of the present invention, the protective device 9 includes a protective box 91, a baffle 92, a limit block 93, and a limit convex plate 94. The protective box 91 is fixedly connected to the upper surface of the mounting plate 1, and the baffle 92 is slidably connected to the right inner surface of the protective box 91. The limit block 93 is fixedly connected to the upper surface of the baffle 92, and the limit convex plate 94 is fixedly connected to the front and rear sides of the inner wall of the protective box 91. The protective box 91 can protect the catheter and the morphine pump to prevent the catheter and the morphine pump from being damaged by impact and pulling, thereby improving the safety of temporary storage after use. The protective device 9 also includes a through slot 95, a sliding frame 96, a limit card plate 97, a positioning rod 98, and a contact plate 99. The through slot 95 is opened at the top of the protective box 91, and the sliding frame 96 is fixedly connected to the through slot 95. The inner surface of the groove 95, the limit card plate 97 is fixedly connected to the upper surface of the protection box 91, the positioning rod 98 is slidably connected to the inner surface of the limit card plate 97, the contact plate 99 is fixedly connected to the left end of the connecting rod 88, the lower surface of the baffle 92 and the upper surface of the limit convex plate 94 are in contact with each other, the lower surface of the limit block 93 and the upper surface of the protection box 91 are in contact with each other, the left end of the positioning rod 98 is fixedly connected to the right side of the sliding frame 96, and a spring is arranged between the right side of the sliding frame 96 and the left side of the limit card plate 97. A positioning hole is provided at the bottom of the baffle 92, and the baffle 92 blocks the right side of the protection box 91, so that the catheter and the morphine pump are protected in all directions, thereby improving the protection safety. The positioning rod 98 is inserted into the positioning hole, thereby locking the baffle 92, and the catheter and the morphine pump can be taken out conveniently and quickly.

[0017] Working principle: after the catheter and the morphine pump are used up, the arc-shaped inner splint 84 drives the morphine pump to move to the left into the protective box 91, and the limiting semi-ring 77 and the elastic rubber pad 78 drive the catheter to move to the left into the protective box 91. At this time, the protective box 91 can protect the catheter and the morphine pump to prevent the catheter and the morphine pump from being damaged by impact and pulling, thereby improving the safety of temporary storage after use. The connecting shaft 79 drives the connecting rod 88 to move to the left, and the connecting rod 88 drives the contact plate 99 to move to the left. The contact plate 99 pushes the sliding frame 96 to slide to the left in the through groove 95, and the through groove 95 drives the positioning rod 98 to slide to the left in the limiting card plate 97 and is pulled out from the positioning block provided on the baffle 92. At this time, the baffle 92 falls down under the influence of gravity, and the baffle 9 2 stops falling after the bottom contacts the limiting convex plate 94. At this time, the baffle 92 can block the right side of the protection box 91, so that the catheter and the morphine pump are protected in all directions, which improves the protection safety. At this time, the right end of the positioning rod 98 is resisted by the limiting block 93, so that the sliding frame 96 is stably stopped at the left end of the through groove 95. When the catheter and the morphine pump need to be taken out, the baffle 92 is lifted up and the positioning hole is aligned with the positioning rod 98. The positioning rod 98 and the sliding frame 96 lose the resistance at the same time. At this time, the elastic restoring effect of the spring pulls the sliding frame 96 to slide rightward in the through groove 95. The sliding frame 96 drives the positioning rod 98 to slide rightward in the limiting card plate 97 and inserts into the positioning hole, thereby locking the baffle 92, and then the catheter and the morphine pump can be taken out conveniently and quickly.

[0018] The present invention provides a fixing device for an intrathecal morphine pump catheter. There are many methods and approaches to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be considered as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A fixing device for an intrathecal morphine pump catheter, comprising a mounting plate (1), characterized in that: The front side surface of the mounting plate (1) is fixedly connected to a connecting frame (2), the front side surface of the connecting frame (2) is fixedly connected to a fixed clamping plate (3), the inner surface of the connecting frame (2) is slidably connected to a movable clamping plate (4), the inner surface of the connecting frame (2) is rotatably connected to a screw rod (5), the upper surface of the mounting plate (1) is fixedly connected to a linear motor (6), the movable end of the linear motor (6) is hingedly connected to a rotating block (7), the front side surface of the rotating block (7) is fixedly connected to a telescopic casing (71), and the inner surface of the telescopic casing (71) is slidably connected to A telescopic plate (72), the inner surface of the telescopic plate (72) is rotatably connected to a rotating rod (73), the circumferential surface of the rotating rod (73) is provided with a sliding groove (74), the inner surface of the sliding groove (74) is slidably connected to a slider (75), the upper surface of the slider (75) is fixedly connected to a limiting semi-ring (77), the inner surface of the limiting semi-ring (77) is fixedly connected to an elastic rubber pad (78), the inner surface of the sliding groove (74) is fixedly connected to an elastic telescopic rod (76) on both sides, and the upper surface of the rotating block (7) is fixedly connected to a connecting shaft (79); A pump body fixing device (8) for fixing the morphine pump is arranged above the mounting plate (1), and a protective device (9) for protecting the morphine pump and the catheter is arranged above the mounting plate (1).

2. The fixing device for an intrathecal morphine pump catheter according to claim 1, characterized in that: The circumferential surface of the screw rod (5) is threadedly connected to the inner surface of the movable clamping plate (4), and one end of the elastic telescopic rod (76) away from the two sides of the inner surface of the slide groove (74) is fixedly connected to the slider (75).

3. The fixing device for an intrathecal morphine pump catheter according to claim 2, characterized in that: The pump body fixing device (8) comprises a rotating knob (81), a left half clamp (82), and a right half clamp (83); the rotating knob (81) is rotatably connected to the circumferential surface of the connecting shaft (79); the left half clamp (82) is hinged to the upper surface of the rotating knob (81); and the right half clamp (83) is hinged to the upper surface of the rotating knob (81).

4. The fixing device for an intrathecal morphine pump catheter according to claim 3, characterized in that: The pump body fixing device (8) also includes an arc-shaped inner clamp (84), a connecting hole (85), a second elastic telescopic rod (86), an arc-shaped side clamp (87), and a connecting rod (88), wherein the arc-shaped inner clamp (84) is fixedly connected to the inner surface of the left half clamp (82), the connecting hole (85) is provided at the front and rear sides of the arc-shaped inner clamp (84), the second elastic telescopic rod (86) is fixedly connected to the inner surface of the connecting hole (85), the arc-shaped side clamp (87) is fixedly connected to the end of the second elastic telescopic rod (86) away from the arc-shaped inner clamp (84), and the connecting rod (88) is fixedly connected to the left side of the connecting shaft (79).

5. The fixing device for an intrathecal morphine pump catheter according to claim 4, characterized in that: The arc-shaped inner clamping plate (84) and the inner surface of the right half clamping hoop (83) are fixedly connected, the outer arc surface of the arc-shaped side clamping plate (87) and the inner surface of the left half clamping hoop (82) are in contact with each other, the outer arc surface of the arc-shaped side clamping plate (87) and the inner surface of the right half clamping hoop (83) are in contact with each other, a torsion spring is provided at a hinged joint between the left half clamping hoop (82) and the turning button (81), and a torsion spring is provided at a hinged joint between the right half clamping hoop (83) and the turning button (81).

6. The fixing device for an intrathecal morphine pump catheter according to claim 5, characterized in that: The protection device (9) comprises a protection box (91), a baffle (92), a limit block (93), and a limit convex plate (94); the protection box (91) is fixedly connected to the upper surface of the mounting plate (1); the baffle (92) is slidably connected to the right inner surface of the protection box (91); the limit block (93) is fixedly connected to the upper surface of the baffle (92); and the limit convex plate (94) is fixedly connected to the front and rear sides of the inner wall of the protection box (91).

7. The fixing device for an intrathecal morphine pump catheter according to claim 6, characterized in that: The protective device (9) further comprises a through slot (95), a sliding frame (96), a limiting clamping plate (97), a positioning rod (98), and a contact plate (99); the through slot (95) is opened at the top of the protective box (91); the sliding frame (96) is fixedly connected to the inner surface of the through slot (95); the limiting clamping plate (97) is fixedly connected to the upper surface of the protective box (91); the positioning rod (98) is slidably connected to the inner surface of the limiting clamping plate (97); and the contact plate (99) is fixedly connected to the left end of the connecting rod (88).

8. The fixing device for an intrathecal morphine pump catheter according to claim 7, characterized in that: The lower surface of the baffle (92) and the upper surface of the limiting convex plate (94) are in contact with each other, the lower surface of the limiting block (93) and the upper surface of the protective box (91) are in contact with each other, the left end of the positioning rod (98) is fixedly connected to the right side of the sliding frame (96), a spring is provided between the right side of the sliding frame (96) and the left side of the limiting clamping plate (97), and a positioning hole is provided at the bottom of the baffle (92).

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