Continuous adjustment type tourniquet device

By designing a continuous adjustment vein compression belt device, the automatic continuous adjustment and height adjustment is achieved using electric push rods and connecting rod systems, the problem of difficulty in precise control of tightness and height cannot be adjusted in the existing device, and the comfort and measurement effect of patients are improved.

CN120093374APending Publication Date: 2025-06-06NANFANG HOSPITAL OF SOUTHERN MEDICAL UNIV
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Patent Information

Application Number
CN202510306236.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2025-06-06

AI Technical Summary

Technical Problem

The existing pulse-pressing band device is difficult to accurately control the tightness, and traditional devices cannot achieve stepless continuous adjustment and highly flexible adjustment, affecting the comfort and measurement effect of the patient.

Method used

A continuous adjustment type vein compression belt device is designed, using a first electric push rod to drive the slider and the connecting rod, adjust the tension of the connecting belt and the elastic strap through the movable block and the connecting block, and adjust the overall height of the device through the second electric push rod.

Benefits of technology

Automatic continuous adjustment of pulse compression band is realized, and medical staff can flexibly adjust the tightness according to the specific situation of the patient, improve the comfort and safety of use, adapt to the height needs of different patients, and reduce the operating time of medical staff.

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Abstract

The invention discloses a continuous adjusting type tourniquet device and belongs to the technical field of tourniquet devices, the continuous adjusting type tourniquet device comprises a shell, a connecting rod is fixedly connected to the shell, a supporting plate is fixedly connected to the end, away from the shell, of the connecting rod, and a tensioning adjusting mechanism used for adjusting the tensioning degree of a tourniquet is installed on the supporting plate; the tensioning adjusting mechanism comprises a first electric push rod, and the first electric push rod is fixedly connected to the shell. According to the tourniquet, a first electric push rod in the tensioning adjusting mechanism drives a first sliding block to move and drives a driving connecting rod and a movable block to move, then the tensioning degree of a connecting band and an elastic bandage is adjusted, automatic and continuous adjustment of the tourniquet is achieved through the design, medical staff can flexibly adjust the tightness degree of the tourniquet according to the specific situation of a patient, and the medical staff can conveniently and rapidly adjust the tourniquet. The tourniquet is simple and convenient to operate, improves comfort and safety in use, ensures that the pressure of the tourniquet on the arm of a patient is moderate and is prevented from being too tight or too loose, reduces operation time of medical staff, and improves use efficiency.
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Description

Technical Field

[0001] The invention belongs to the technical field of cuff devices, and in particular relates to a continuously adjustable cuff device. Background Art

[0002] In medical practice, a blood pressure cuff (also called a blood pressure cuff) is an important tool for measuring blood pressure. When medical staff perform intravenous infusion or blood sampling on patients, they need to use a blood pressure cuff to compress the blood vessels to fill the blood vessels, so that they can observe the veins and facilitate needle puncture. The blood pressure cuff is made of natural rubber or special rubber, a medical polymer material, and is long, flat, and highly resilient. However, the existing blood pressure cuff devices have some limitations and shortcomings, as follows: the tightness adjustment of traditional blood pressure cuffs depends on the manual operation of medical staff, which is difficult to accurately control, and may cause over-tightening or over-loosening, affecting the patient's comfort and operation effect, and increasing the workload and operation time of medical staff. Although some blood pressure cuff devices have an adjustment function, they are often segmented and cannot achieve stepless continuous adjustment, which makes it difficult to achieve the best effect in some cases. At the same time, traditional blood pressure cuff devices are usually fixed and cannot flexibly adjust their own height according to the patient's height, which may cause the patient to feel uncomfortable in some cases, affecting the comfort during the measurement process. Summary of the invention

[0003] The object of the present invention is to provide a continuously adjustable cuff device to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: a continuously adjustable cuff device, comprising a housing, a connecting rod fixedly connected to the housing, and a support plate fixedly connected to one end of the connecting rod away from the housing, and a tension adjustment mechanism for adjusting the tension of the cuff installed on the support plate;

[0005] The tension adjustment mechanism comprises a first electric push rod, and the first electric push rod is fixed to the housing, and the telescopic end of the first electric push rod is fixed to a first slider, the two ends of the first slider are hinged with driving connecting rods, and the end of the driving connecting rod away from the first slider is hinged with a movable block, the movable block is fixed with a connecting block, and a group of connecting blocks are fixed with a connecting belt, and the end of the connecting belt away from the connecting block is fixed with an elastic band for tightening the patient's arm, and the end of the elastic band away from the connecting belt is fixed to a group of connecting blocks away from the connecting belt;

[0006] As a further preferred embodiment of the technical solution: the connecting belt is provided with a perforation, and one end of the elastic bandage away from the connecting belt passes through and slides in the perforation;

[0007] As a further preferred embodiment of the technical solution: a slide bar for limiting the movement of the first slide bar is fixedly connected to the support plate, and the first slide bar is slidably connected to the slide bar;

[0008] As a further preferred embodiment of the technical solution: a first sliding rod for limiting the movement of the connecting block on the slide plate is fixedly connected to one end of the support plate away from the first electric push rod, and the slide plate is slidably connected to the first sliding rod, and the slide plate is fixedly connected to the connecting block;

[0009] As a further preferred embodiment of the technical solution: a first slide groove for guiding the sliding of the connecting block is provided on the top of the housing, and the connecting block penetrates and is slidably connected to the inside of the first slide groove;

[0010] As a further preferred embodiment of the technical solution: the shell is located at the bottom of the support plate and is fixedly connected to a partition, the partition is provided with a lifting and recovery mechanism for adjusting the height of the shell, the lifting and recovery mechanism comprises a second electric push rod, and the second electric push rod is fixedly connected to the partition, and the telescopic end of the second electric push rod is fixedly connected to a bottom plate for supporting and stabilizing the shell;

[0011] As a further preferred embodiment of the technical solution: a first telescopic rod for limiting the movement of the bottom plate is fixedly connected to the partition, and a pad for preventing the outer shell from sliding is provided at the bottom of the bottom plate;

[0012] As a further preferred embodiment of the technical solution: a square opening for retracting the bottom plate is provided at the bottom of the shell, and second slide grooves are provided on both sides of the shell, and the second slide grooves limit and guide the lifting and lowering of the bottom plate through a second slide rod sliding inside, and one end of the second slide rod away from the second slide groove is fixed to the bottom plate;

[0013] As a further preferred embodiment of the technical solution: a second telescopic rod is fixedly connected to the top of the housing, and a soft placement board for placing the patient's arm is fixedly connected to one end of the second telescopic rod away from the housing, and a spring is fixedly connected to the soft placement board, and one end of the spring away from the soft placement board is fixedly connected to the housing, and the spring is sleeved on the second telescopic rod;

[0014] As a further preferred embodiment of the technical solution: a circular cover is fixedly connected to the outer shell, an operation port is provided on the circular cover, and a universal wheel for driving the outer shell to move is installed at the bottom of the outer shell.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. In the present invention, the first electric push rod in the tension adjustment mechanism drives the first slider to move, driving the driving connecting rod and the movable block to move, thereby adjusting the tension of the connecting belt and the elastic strap. This design realizes the automatic and continuous adjustment of the compression cuff. Medical staff can flexibly adjust the tightness of the compression cuff according to the specific situation of the patient. The operation is simple and convenient, which improves the comfort and safety of use, ensures that the pressure of the compression cuff on the patient's arm is moderate, avoids being too tight or too loose, and reduces the operation time of medical staff, thereby improving the use efficiency.

[0017] 2. In the present invention, the bottom plate is driven to rise and fall by the second electric push rod in the lifting and recovery mechanism, so that the overall height of the device can be adjusted to meet the needs of different patients' heights and operating environments. At the same time, the bottom plate is lowered to the ground to lift the universal wheels off the ground, and the bottom pad and the first telescopic rod further enhance the stability of the device to prevent sliding or tipping, thereby ensuring safe use.

[0018] 3. In the present invention, a soft board and a second telescopic rod are provided to place the patient's arm. Secondly, the soft board is soft and comfortable, which reduces the patient's discomfort. At the same time, the design of the second telescopic rod and the spring allows the soft board to be fine-tuned according to the position of the patient's arm, further improving the convenience and comfort of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A front perspective view of a continuously adjustable cuff device of the present invention;

[0020] Figure 2 A rear perspective view of a continuously adjustable cuff device of the present invention;

[0021] Figure 3 A bottom-up stereoscopic view of a continuously adjustable cuff device of the present invention;

[0022] Figure 4 The partial structure of a continuously adjustable cuff device of the present invention is shown in FIG. Figure 1 ;

[0023] Figure 5 The partial structure of a continuously adjustable cuff device of the present invention is shown in FIG. Figure 2 ;

[0024] Figure 6 It is a partial structural cross-sectional view of a continuously adjustable cuff device of the present invention;

[0025] Figure 7 for Figure 6 The enlarged view of point A in the middle;

[0026] Figure 8 for Figure 2 Enlarged view of point B in the middle.

[0027] Legend: 1. Shell; 2. Connecting rod; 3. Support plate; 4. Tensioning adjustment mechanism; 41. First electric push rod; 42. First slider; 43. Driving connecting rod; 44. Movable block; 45. Connecting block; 46. Connecting belt; 47. Elastic strap; 48. Perforation; 49. Sliding bar; 410. First sliding rod; 411. Sliding plate; 412. First sliding groove; 5. Partition; 6. Lifting and recovery mechanism; 61. Second electric push rod; 62. Bottom plate; 63. First telescopic rod; 64. Pad; 65. Square opening; 66. Second sliding groove; 67. Second sliding rod; 7. Second telescopic rod; 8. Place soft board; 9. Spring; 10. Round cover; 11. Operating port; 12. Universal wheel; 13. Push handle. DETAILED DESCRIPTION

[0028] 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.

[0029] Example

[0030] See also Figure 1-Figure 8 As shown, the present invention provides a technical solution: a continuously adjustable cuff device, comprising a housing 1, a connecting rod 2 is fixedly connected to the housing 1, and a support plate 3 is fixedly connected to one end of the connecting rod 2 away from the housing 1, characterized in that a tension adjustment mechanism 4 for adjusting the tension of the cuff is installed on the support plate 3;

[0031] The tensioning adjustment mechanism 4 includes a first electric push rod 41, and the first electric push rod 41 is fixed to the housing 1, and the telescopic end of the first electric push rod 41 is fixed to a first slider 42, and the two ends of the first slider 42 are hinged with driving connecting rods 43, and the end of the driving connecting rod 43 away from the first slider 42 is hinged with a movable block 44, and a connecting block 45 is fixed to the movable block 44, and a connecting belt 46 is fixed to a group of connecting blocks 45, and at the same time, an elastic bandage 47 for tightening the patient's arm is fixed to one end of the connecting belt 46 away from the connecting block 45, and one end of the elastic bandage 47 away from the connecting belt 46 is fixed to a group of connecting blocks 45 away from the connecting belt 46, and the angle between the two groups of driving connecting rods 43 is always an obtuse angle, and at the same time, the maximum distance that the two groups of connecting blocks 45 can move outward does not exceed the two ends of the support plate 3 at most;

[0032] In this embodiment, specifically: a through hole 48 is provided on the connecting belt 46, and one end of the elastic band 47 away from the connecting belt 46 passes through and slides in the through hole 48, and the diameter of the connecting belt 46 is greater than the diameter of the elastic band 47;

[0033] In this embodiment, specifically: a slide bar 49 for limiting the movement of the first slider 42 is fixedly connected to the support plate 3, and the first slider 42 is slidably connected to the slide bar 49, and the slide bar 49 is located in the middle of the support plate 3;

[0034] In this embodiment, specifically: a first slide bar 410 for limiting the movement of a connecting block 45 on a slide plate 411 is fixedly connected to one end of the support plate 3 away from the first electric push rod 41, and the slide plate 411 is slidably connected to the first slide bar 410, and the slide plate 411 is fixedly connected to the connecting block 45, and the length of the first slide bar 410 is less than the length of the two ends of the front portion of the support plate 3;

[0035] In this embodiment, specifically: a first slide groove 412 for guiding the sliding of the connecting block 45 is provided at the top of the housing 1, and the connecting block 45 penetrates and is slidably connected to the inside of the first slide groove 412, wherein the first slide groove 412 is provided at the front end of the housing 1, and two groups of connecting blocks 45 are respectively located at both sides of the first slide groove 412;

[0036] In this embodiment, specifically: the housing 1 is located at the bottom of the support plate 3 and is fixedly connected to a partition 5, and a lifting and recovery mechanism 6 for adjusting the height of the housing 1 is installed on the partition 5. The lifting and recovery mechanism 6 includes a second electric push rod 61, and the second electric push rod 61 is fixedly connected to the partition 5. At the same time, the telescopic end of the second electric push rod 61 is fixedly connected to a bottom plate 62 for supporting and stabilizing the housing 1. Secondly, two groups of the second electric push rod 61 are provided on the bottom plate 62, and the second electric push rod 61 is located on one side of the bottom plate 62;

[0037] In this embodiment, specifically: a first telescopic rod 63 for limiting the movement of the bottom plate 62 is fixedly connected to the partition 5, and a pad 64 for preventing the housing 1 from sliding is provided at the bottom of the bottom plate 62, and two groups of the first telescopic rod 63 are provided on the bottom plate 62, and the second electric push rod 61 and the first telescopic rod 63 are symmetrically arranged on the bottom plate 62, and four groups of pads 64 are provided at the bottom of the bottom plate 62;

[0038] In this embodiment, specifically: a square opening 65 for retracting the bottom plate 62 is provided at the bottom of the shell 1, and second slide grooves 66 are provided on both sides of the shell 1. The second slide grooves 66 limit and guide the lifting and lowering of the bottom plate 62 through a second slide rod 67 sliding inside, and one end of the second slide rod 67 away from the second slide groove 66 is fixed to the bottom plate 62. At the same time, two groups of second slide rods 67 are provided, and the two groups of second slide rods 67 are respectively located at the two ends of the bottom plate 62.

[0039] In this embodiment, specifically: a second telescopic rod 7 is fixedly connected to the top of the shell 1, and a soft placement plate 8 for placing the patient's arm is fixedly connected to the end of the second telescopic rod 7 away from the shell 1, and a spring 9 is fixedly connected to the soft placement plate 8, and the end of the spring 9 away from the soft placement plate 8 is fixed to the shell 1, and the spring 9 is sleeved on the second telescopic rod 7. Four groups of second telescopic rods 7 and springs 9 are provided, and the height of the two groups of second telescopic rods 7 and springs 9 at the front of the soft placement plate 8 is lower than the two groups of second telescopic rods 7 and springs 9 at the rear end.

[0040] In this embodiment, specifically: a circular cover 10 is fixedly connected to the outer shell 1, an operating port 11 is provided on the circular cover 10, and a universal wheel 12 for driving the outer shell 1 to move is installed at the bottom of the outer shell 1, and four groups of universal wheels 12 are provided, and the four groups of universal wheels 12 are respectively located at the four corners of the bottom of the outer shell 1, and at the same time, a push handle 13 for pushing the outer shell 1 to move is provided on one side of the outer shell 1.

[0041] Working principle or structural principle: first push the push handle 13, the push handle 13 drives the shell 1 to move, so that the device moves to the patient's side, and then start the second electric push rod 61, the output end of the second electric push rod 61 drives the bottom plate 62 to descend, and the universal wheel 12 is lifted off the ground to stabilize the shell 1. At the same time, the height of the shell 1 can be adjusted according to the height of the patient, so that the patient can place his arm more comfortably in the elastic band 47, and then start the first electric push rod 41 through the control panel of the device, the output end of the first electric push rod 41 pushes and pulls the first slider 42, and the second electric push rod 41 is turned on and off. A slider 42 moves back and forth to drive two groups of driving connecting rods 43 to rotate. The rotation of the driving connecting rods 43 drives two groups of movable blocks 44 to move relative to each other on the support plate 3. The relative movement of the two groups of movable blocks 44 drives the two groups of connecting blocks 45 to move relative to each other. The relative movement of the two groups of connecting blocks 45 tightens and loosens the connecting belts 46 and the elastic straps 47, thereby adjusting the tension of the connecting belts 46 and the elastic straps 47. This design realizes automatic and continuous adjustment of the compression cuff. Medical staff can flexibly adjust the tightness of the compression cuff according to the specific situation of the patient's arm. The operation is simple and convenient, and the comfort of use is improved.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A continuously adjustable cuff device, comprising a housing (1), a connecting rod (2) being fixedly connected to the housing (1), and a support plate (3) being fixedly connected to one end of the connecting rod (2) away from the housing (1), characterized in that: The support plate (3) is provided with a tension adjustment mechanism (4) for adjusting the tension of the cuff; The tension adjustment mechanism (4) comprises a first electric push rod (41), and the first electric push rod (41) is fixedly connected to the housing (1); the telescopic end of the first electric push rod (41) is fixedly connected to a first slider (42); the two ends of the first slider (42) are hinged with driving connecting rods (43); the end of the driving connecting rod (43) away from the first slider (42) is hinged with a movable block (44); the movable block (44) is fixedly connected to a connecting block (45); a group of connecting blocks (45) is fixedly connected to a connecting belt (46); the end of the connecting belt (46) away from the connecting block (45) is fixedly connected to an elastic bandage (47) for tightening the patient's arm; the end of the elastic bandage (47) away from the connecting belt (46) is fixedly connected to a group of connecting blocks (45) away from the connecting belt (46).

2. A continuously adjustable cuff device according to claim 1, characterized in that: The connecting belt (46) is provided with a through hole (48), and one end of the elastic band (47) away from the connecting belt (46) passes through and slides in the through hole (48).

3. A continuously adjustable cuff device according to claim 2, characterized in that: A slide bar (49) for limiting the movement of the first slide block (42) is fixedly connected to the support plate (3), and the first slide block (42) is slidably connected to the slide bar (49).

4. A continuously adjustable cuff device according to claim 3, characterized in that: One end of the support plate (3) away from the first electric push rod (41) is fixedly connected to a first sliding rod (410) for limiting the movement of a connecting block (45) on a sliding plate (411), and the sliding plate (411) is slidably connected to the first sliding rod (410), and the sliding plate (411) is fixedly connected to the connecting block (45).

5. A continuously adjustable cuff device according to claim 4, characterized in that: A first sliding groove (412) for guiding the sliding of the connecting block (45) is provided on the top of the housing (1), and the connecting block (45) penetrates and is slidably connected inside the first sliding groove (412).

6. A continuously adjustable cuff device according to claim 5, characterized in that: The shell (1) is fixedly connected to a partition (5) at the bottom of the support plate (3), and a lifting and recovery mechanism (6) for adjusting the height of the shell (1) is installed on the partition (5). The lifting and recovery mechanism (6) includes a second electric push rod (61), and the second electric push rod (61) is fixedly connected to the partition (5), and the telescopic end of the second electric push rod (61) is fixedly connected to a bottom plate (62) for supporting and stabilizing the shell (1).

7. A continuously adjustable cuff device according to claim 6, characterized in that: A first telescopic rod (63) for limiting the movement of the bottom plate (62) is fixedly connected to the partition plate (5), and a pad (64) for preventing the outer shell (1) from sliding is provided at the bottom of the bottom plate (62).

8. A continuously adjustable cuff device according to claim 7, characterized in that: The bottom of the housing (1) is provided with a square opening (65) for retracting the bottom plate (62), and second slide grooves (66) are provided on both sides of the housing (1). The second slide groove (66) limits and guides the lifting and lowering of the bottom plate (62) through a second slide rod (67) sliding inside, and one end of the second slide rod (67) away from the second slide groove (66) is fixed to the bottom plate (62).

9. A continuously adjustable cuff device according to claim 8, characterized in that: A second telescopic rod (7) is fixedly connected to the top of the shell (1), and a soft placement board (8) for placing the patient's arm is fixedly connected to the end of the second telescopic rod (7) away from the shell (1), and a spring (9) is fixedly connected to the soft placement board (8), and the end of the spring (9) away from the soft placement board (8) is fixedly connected to the shell (1), and the spring (9) is sleeved on the second telescopic rod (7).

10. A continuously adjustable cuff device according to claim 9, characterized in that: A circular cover (10) is fixedly connected to the outer shell (1), an operating port (11) is provided on the circular cover (10), and a universal wheel (12) for driving the outer shell (1) to move is installed at the bottom of the outer shell (1).