Free flap in-vitro remote blood supply device applied to plastic surgery

By designing lifting devices and support devices in the blood supply device, the blood supply and safety hazards caused by the peristaltic pump catheter is easily contacted by the table, and the stable lifting and support of the catheter is achieved, which improves the safety and useability of the equipment.

CN222816116UActive Publication Date: 2025-05-02FOURTH MILITARY MEDICAL UNIVERSITY
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Patent Information

Application Number
CN202420849554.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2025-05-02
Estimated Expiration
2034-04-23

AI Technical Summary

Technical Problem

When used, the catheter is prone to contact the tabletop, causing bending or being affected by the tabletop, affecting the flow of blood supply, and posing safety hazards.

Method used

A blood supply device including a lifting device is designed, which includes a positioning frame, a support rod, a support block and a support device. The catheter is supported by a lifting device, reducing the probability of the catheter contacting the tabletop, and stably supporting the catheter through a support device.

Benefits of technology

Through the lifting device, ensure the catheter to perform blood supply operations stably, reduce safety hazards in use, and improve the normal use of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of peristaltic pumps, in particular to a free flap in-vitro remote blood supply device applied to plastic surgery, which comprises a machine body, a control panel is mounted on the surface of the machine body, a pump head is arranged at one end of the machine body, a lifting device is arranged on one side of the machine body, and the lifting device comprises a positioning frame. The positioning frame is fixedly connected with the surface of the machine body, the inner wall of the positioning frame is slidably connected with a supporting rod, the end, away from the positioning frame, of the supporting rod is fixedly connected with a supporting block, the two lifting devices are symmetrically arranged, the surface of the supporting rod is fixedly connected with an arc-shaped block, and the arc-shaped block is fixedly connected with the positioning frame. And the arc-shaped block is arranged on the positioning frame in a sleeving manner. By means of the lifting device, the catheter can be conveniently lifted, the probability that the catheter makes contact with the table top, is bent or is affected by the table top is reduced, it is ensured that the catheter stably conducts blood supply operation, potential safety hazards of equipment in the using process are reduced, and normal use of the equipment is facilitated.
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Description

Technical Field

[0001] The utility model relates to the technical field of peristaltic pumps, in particular to an extracorporeal distal blood supply device for a free skin flap used for plastic surgery. Background Art

[0002] A skin flap is a tissue flap that includes skin and subcutaneous fat. It is provided with blood circulation by the pedicle and can be transferred or transplanted to cover the defective wound surface, repair deformities or reconstruct tissues and organs. In some specific cases, the surgery needs to cut off the vascular pedicle of the skin flap to make the skin flap completely free. In this operation, a peristaltic pump is often used for blood supply.

[0003] The inventor has found in his daily work that when most peristaltic pumps are currently in use, the two ends of the catheter are often in a hanging state, and the catheter is easily in contact with the table surface, causing bending or other influences of the table surface, which affects the smoothness of blood supply, resulting in certain safety hazards in the use of the equipment, which is not conducive to the normal use of the equipment. Improvements are needed in this regard. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that when most peristaltic pumps are in use, the two ends of the catheter are often in a hanging state, the catheter is easy to touch the table, bend or be affected by other factors of the table, which affects the smoothness of the blood supply, causes certain safety hazards in the use of the equipment, and is not conducive to the normal use of the equipment. The utility model proposes an extracorporeal distal blood supply device for free flaps used for plastic surgery.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an extracorporeal remote blood supply device for free flaps for plastic surgery, comprising a body, a control panel is installed on the surface of the body, a pump head is arranged at one end of the body, a lifting device is arranged on one side of the body, the lifting device comprises a positioning frame, the positioning frame is fixedly connected to the surface of the body, a supporting rod is slidably connected to the inner wall of the positioning frame, and a supporting block is fixedly connected to the end of the supporting rod away from the positioning frame. The lifting device facilitates the lifting operation of the catheter, reduces the probability of the catheter contacting the table surface, bending or being affected by other influences of the table surface, ensures the stable blood supply operation of the catheter, reduces the safety hazards of the equipment during use, and facilitates the normal use of the equipment.

[0006] Preferably, there are two lifting devices, which are symmetrically arranged to lift the catheters on both sides of the pump head synchronously.

[0007] Preferably, an arc-shaped block is fixedly connected to the surface of the support rod, and the arc-shaped block is sleeved on the positioning frame.

[0008] Preferably, the inner wall of the arc-shaped block is threadedly connected with a hand-tightened bolt to facilitate clamping the support rod.

[0009] Preferably, a pull rod is fixedly connected to the upper surface of the support rod, and the longitudinal section of the pull rod is N-shaped. Before using the equipment, insert the catheter into the pump head, then turn and loosen the hand bolt, then pull the pull rod to move the support rod up and down, then put the catheter into the two support blocks, then observe the state of the catheter, pull the pull rod up or down, adjust the height of the support rod and the support block, and after appropriate adjustment, turn and tighten the hand bolt to use the equipment.

[0010] Preferably, a supporting device is provided on the surface of the support rod, and the supporting device includes a support rod, a mounting hole is opened on the surface of the support rod, one end of the support rod is inserted into the mounting hole, an axle rod is fixedly connected to the surface of the support rod, one end of the axle rod passes through the support rod, the axle rod is rotatably connected to the inner wall of the support rod, and a roller is rotatably connected to the inner wall of the support rod. The supporting device facilitates the use of the auxiliary lifting device, ensures that the equipment stably supports the catheter, reduces the probability of shaking of the catheter, reduces the failure rate of the equipment, and improves the usability of the equipment.

[0011] Preferably, the end of the shaft rod located outside the support rod is fixedly connected with a protrusion, and one side of the protrusion is fixedly connected with a torsion spring. The torsion spring is sleeved on the shaft rod, and the end of the torsion spring away from the protrusion is fixedly connected to the surface of the support rod. When the height of the support rod is adjusted, the torsion spring drives the support rod to rotate through the protrusion, and the support rod then drives the roller to be placed close to the table surface. After the support rod is adjusted, the support rod still cooperates with the roller to support the support rod.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, before using the equipment, insert the catheter into the pump head, then turn and loosen the hand-tightening bolt, then pull the pull rod to drive the support rod to move up and down, then put the catheter into the two support blocks, then observe the state of the catheter, pull the pull rod up or down, adjust the height of the support rod and the support block, and after adjusting appropriately, turn and tighten the hand-tightening bolt to use the equipment. The lifting device facilitates the lifting operation of the catheter, reduces the probability of the catheter contacting the table, bending or being affected by other factors of the table, ensures that the catheter can stably supply blood, reduces the safety hazards of the equipment in use, and facilitates the normal use of the equipment.

[0014] 2. In the utility model, when adjusting the height of the support rod, the torsion spring drives the support rod to rotate through the protrusion, and the support rod then drives the roller to be placed close to the table surface. After the support rod is adjusted, the support rod still cooperates with the roller to support the support rod. Through the support device, it is convenient to use the auxiliary lifting device to ensure that the equipment stably supports the catheter, reduces the probability of shaking of the catheter, reduces the failure rate of the equipment, and improves the usability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1The utility model provides a three-dimensional structural schematic diagram of an extracorporeal distal blood supply device for a free flap used for plastic surgery;

[0016] Figure 2 This is a schematic diagram of the upward structure of a free flap extracorporeal distal blood supply device for plastic surgery proposed by the utility model;

[0017] Figure 3 The utility model proposes a device for external distal blood supply of free flap used for plastic surgery. Figure 2 A schematic diagram of the structure at A;

[0018] Figure 4 The utility model provides a partial structural schematic diagram of an extracorporeal distal blood supply device for a free flap used for plastic surgery;

[0019] Figure 5 The utility model proposes a device for external distal blood supply of free flap used for plastic surgery. Figure 4 Schematic diagram of the structure at point B.

[0020] Legend:

[0021] 1. Machine body; 2. Control panel; 3. Pump head; 4. Lifting device; 41. Positioning frame; 42. Support rod; 43. Pull rod; 44. Support block; 45. Arc block; 46. Tightening bolt; 5. Support device; 51. Strut; 52. Roller; 53. Bump; 54. Mounting hole; 55. Shaft; 56. Torsion spring. DETAILED DESCRIPTION

[0022] See also Figure 1-5 The utility model provides a technical solution: an extracorporeal distal blood supply device for a free flap for plastic surgery, comprising a body 1, a control panel 2 is installed on the surface of the body 1, a pump head 3 is arranged at one end of the body 1, a lifting device 4 is arranged on one side of the body 1, the lifting device 4 comprises a positioning frame 41, the positioning frame 41 is fixedly connected to the surface of the body 1, a supporting rod 42 is slidably connected to the inner wall of the positioning frame 41, and a supporting block 44 is fixedly connected to the end of the supporting rod 42 away from the positioning frame 41. The lifting device 4 facilitates the lifting operation of the catheter, reduces the probability of the catheter contacting the table surface, bending or being affected by other influences of the table surface, ensures that the catheter can stably perform blood supply operation, reduces the safety hazards of the equipment during use, and facilitates the normal use of the equipment.

[0023] In this embodiment, there are two lifting devices 4 , which are symmetrically arranged to lift the catheters on both sides of the pump head 3 synchronously.

[0024] Specifically, an arc block 45 is fixedly connected to the surface of the supporting rod 42 , and the arc block 45 is sleeved on the positioning frame 41 .

[0025] Specifically, the inner wall of the arc block 45 is threadedly connected with a hand-tightened bolt 46 to facilitate clamping the support rod 42 .

[0026] Specifically, the upper surface of the support rod 42 is fixedly connected with a pull rod 43, and the longitudinal section of the pull rod 43 is n-shaped. Before using the equipment, insert the catheter into the pump head 3, then turn and loosen the hand-tightening bolt 46, then pull the pull rod 43 to drive the support rod 42 to move up and down, then put the catheter into the two support blocks 44, and then observe the state of the catheter. You can pull the pull rod 43 up or down to adjust the height of the support rod 42 and the support block 44. After appropriate adjustment, turn and tighten the hand-tightening bolt 46 to use the equipment.

[0027] In this embodiment: a supporting device 5 is provided on the surface of the support rod 42, and the supporting device 5 includes a support rod 51. A mounting hole 54 is opened on the surface of the support rod 42, and one end of the support rod 51 is inserted into the mounting hole 54. A shaft rod 55 is fixedly connected to the surface of the support rod 51, and one end of the shaft rod 55 passes through the support rod 42. The shaft rod 55 is rotatably connected to the inner wall of the support rod 42, and a roller 52 is rotatably connected to the inner wall of the support rod 51. Through the supporting device 5, the auxiliary lifting device 4 is facilitated to be used, ensuring that the equipment stably supports the catheter, reducing the probability of shaking of the catheter, reducing the failure rate of the equipment, and improving the usability of the equipment.

[0028] Specifically, one end of the shaft rod 55 located outside the support rod 42 is fixedly connected to a protrusion 53, and one side of the protrusion 53 is fixedly connected to a torsion spring 56. The torsion spring 56 is sleeved on the shaft rod 55, and one end of the torsion spring 56 away from the protrusion 53 is fixedly connected to the surface of the support rod 42. When the height of the support rod 42 is adjusted, the torsion spring 56 drives the support rod 51 to rotate through the protrusion 53, and the support rod 51 then drives the roller 52 to be placed close to the table surface. After the support rod 42 is adjusted, the support rod 51 still cooperates with the roller 52 to support the support rod 42.

[0029] Working principle: Before using the device, insert the catheter into the pump head 3, then turn and loosen the hand-tightening bolt 46, then pull the pull rod 43 to drive the support rod 42 to move up and down, then put the catheter into the two support blocks 44, then observe the state of the catheter, pull the pull rod 43 up or down, adjust the height of the support rod 42 and the support block 44, and after adjusting appropriately, turn and tighten the hand-tightening bolt 46 to use the device. The lifting device 4 is used to facilitate the lifting operation of the catheter, reduce the probability of the catheter contacting the table, bending or being affected by other factors of the table, and ensure the stability of the catheter. The blood supply operation is performed regularly, the potential safety hazard of the equipment in use is reduced, and the normal use of the equipment is facilitated. When adjusting the height of the support rod 42, the torsion spring 56 drives the support rod 51 to rotate through the protrusion 53, and the support rod 51 then drives the roller 52 to be placed close to the table. After the support rod 42 is adjusted, the support rod 51 still cooperates with the roller 52 to support the support rod 42. Through the support device 5, it is convenient to use the auxiliary lifting device 4, ensure that the equipment stably supports the catheter, reduce the probability of shaking of the catheter, reduce the failure rate of the equipment, and improve the ease of use of the equipment.

Claims

1. An extracorporeal distal blood supply device for free skin flaps for plastic surgery, comprising a body (1), a control panel (2) being mounted on the surface of the body (1), and a pump head (3) being disposed at one end of the body (1), characterized in that: A lifting device (4) is provided on one side of the machine body (1), and the lifting device (4) comprises a positioning frame (41), the positioning frame (41) is fixedly connected to the surface of the machine body (1), the inner wall of the positioning frame (41) is slidably connected to a supporting rod (42), and one end of the supporting rod (42) away from the positioning frame (41) is fixedly connected to a supporting block (44).

2. The device for extracorporeal distal blood supply for free flap for plastic surgery according to claim 1, characterized in that: The number of the lifting devices (4) is two, and the two lifting devices (4) are symmetrically arranged.

3. The device for extracorporeal distal blood supply for free flap for plastic surgery according to claim 1, characterized in that: An arc block (45) is fixedly connected to the surface of the supporting rod (42), and the arc block (45) is sleeved on the positioning frame (41).

4. The device for extracorporeal distal blood supply for free flap for plastic surgery according to claim 3, characterized in that: The inner wall of the arc block (45) is threadedly connected with a hand-tightened bolt (46).

5. The device for extracorporeal distal blood supply for free flap for plastic surgery according to claim 1, characterized in that: The upper surface of the support rod (42) is fixedly connected with a pull rod (43), and the longitudinal section of the pull rod (43) is n-shaped.

6. The device for extracorporeal distal blood supply for free flap for plastic surgery according to claim 1, characterized in that: A support device (5) is provided on the surface of the support rod (42), and the support device (5) comprises a support rod (51). A mounting hole (54) is provided on the surface of the support rod (42), and one end of the support rod (51) is inserted into the mounting hole (54). A shaft rod (55) is fixedly connected to the surface of the support rod (51), and one end of the shaft rod (55) passes through the support rod (42). The shaft rod (55) is rotatably connected to the inner wall of the support rod (42), and the inner wall of the support rod (51) is rotatably connected to a roller (52).

7. The device for extracorporeal distal blood supply for free flap for plastic surgery according to claim 6, characterized in that: One end of the shaft rod (55) located outside the support rod (42) is fixedly connected to a protrusion (53), one side of the protrusion (53) is fixedly connected to a torsion spring (56), the torsion spring (56) is sleeved on the shaft rod (55), and one end of the torsion spring (56) away from the protrusion (53) is fixedly connected to the surface of the support rod (42).