Medical clamp pressure control assembly

Abstract

The invention discloses a medical clamp pressure control assembly, and relates to the technical field of medical clamps, the medical clamp pressure control assembly comprises a flexible clamping plate used for clamping and fixing a limb, a clamping air bag used for extruding and clamping is arranged in the middle of the flexible clamping plate, and the medical clamp pressure control assembly further comprises a binding assembly arranged on the flexible clamping plate and used for assisting in binding in the limb clamping process; the inflation assembly is arranged on the clamping air bag and used for inflating the interior of the clamping air bag; the inflation assembly comprises an inflator which is fixed to the clamping air bag in a communicated mode. In the using process of the limb fixing clamp, through mutual cooperation of the constraint assembly, the inflation assembly, the pressure extraction assembly and the control assembly, the clamping effect on the designated limb position can be guaranteed, and the situation that inflation and pressure boosting cannot be further conducted after the pressure of the inflator and the clamping air bag reaches a certain degree can be avoided; and the probability that the bound and clamped limb position is injured due to the fact that the clamping force is too large is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of medical clamps, in particular to a medical clamp pressure control component. Background Art

[0002] Limb fixation splints are a type of medical splints. Limb fixation splints are medical devices used to fix human limbs. Their main function is to limit the movement of limbs, keep injured or post-operative limbs in proper positions, and create good conditions for the healing of bones, muscles, ligaments and other tissues. For example, in fracture treatment, limb fixation splints can prevent the displacement of fracture ends and promote the normal healing of fractures; after joint injuries, they can fix joints, relieve pain and avoid further damage.

[0003] During the use of the limb fixation clamp, the flexible splint is restrained and installed at the specified position. During the restraint installation process, the restraint clamping pressure is difficult to operate and control. If the restraint clamping pressure is too high, it will cause certain pressure damage to the restraint position. If the restraint clamping pressure is too low, it will cause limited restraint clamping force at the clamping position, affecting the treatment effect. For this reason, we propose a medical clamp pressure control component. Summary of the invention

[0004] The object of the present invention is to provide a medical clamp pressure control assembly to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a medical clamp pressure control assembly, comprising a flexible splint for clamping and fixing a limb, wherein a clamping airbag for squeezing and clamping is centrally arranged on the flexible splint, and further comprising:

[0006] A restraint assembly disposed on the flexible splint for assisting restraint during limb clamping;

[0007] An inflation component disposed on the clamping airbag and used for inflating the interior of the clamping airbag;

[0008] The inflation component includes an air cylinder that is connected and fixed to the clamping airbag, an L-shaped inflation tube is connected and fixed to the air cylinder, an operating tube is connected and fixed to the L-shaped inflation tube, a pumping and pressing component for assisting pumping and pressing during the inflation process is arranged between the operating tube and the L-shaped inflation tube, and a control component for controlling the internal pressure of the clamping airbag during the inflation process is arranged at one end of the air cylinder.

[0009] Preferably, the pumping and pressing assembly includes two groups of one-way valves fixed inside the L-shaped inflation tube, the operating tube is located between the two groups of one-way valves, one end of the operating tube is slidably connected to a transmission rod, one end of the transmission rod is located inside the operating tube and is fixed with a piston plate, the piston plate is slidably connected to the inside of the operating tube, a first spring is sleeved on the outer side of the transmission rod, the two ends of the first spring are respectively connected to the piston plate and the operating tube, and one side of the air cylinder is provided with an extrusion assembly for extruding the transmission rod.

[0010] Preferably, the conducting direction of the two groups of one-way valves is from the end of the L-shaped inflation tube facing the outside to the end facing the air cylinder.

[0011] Preferably, the extrusion assembly includes a driving disk, and a rotating assembly for rotating the driving disk is provided at one end of the air cylinder. The driving disk is located below the transmission rod, and a plurality of groups of protrusions for resisting and transmitting against the lower end of the transmission rod are fixed on the outer side of the driving disk in a circular array.

[0012] Preferably, the rotating assembly includes a spline hole opened on the driving disk, a spline shaft is slidably connected to the spline hole, one end of the spline shaft is rotatably connected to one end of the air cylinder, and the other end of the spline shaft is fixed with a driving pin for driving the spline shaft.

[0013] Preferably, the control components are provided in multiple groups, and the multiple groups of control components are arranged in a ring array between the driving disk and the air cylinder.

[0014] Preferably, the control component includes a piston tube fixed to the end of the gas cylinder, one end of the piston tube is arranged in communication with the interior of the gas cylinder, a piston rod is slidably connected to the piston tube, one end of the piston rod and one side of the driving disk are provided with a connecting component for assisting the rotatable connection, and a second spring is provided on the outer side of the piston tube.

[0015] Preferably, the connecting assembly includes an annular plate, one end of the piston rod is fixed to the annular plate, two ends of the second spring are respectively connected to one end of the air cylinder and one side of the annular plate, an annular groove is provided on one side of the annular plate, an annular connecting plate is rotatably connected to the annular groove, the annular connecting plate is fixed to one side of the driving disk, the annular plate, the annular groove, the annular connecting plate and the driving disk are concentrically arranged, and the cross-sections of the annular groove and the annular connecting plate are T-shaped.

[0016] Preferably, the air cylinder is provided with a pressure relief assembly for clamping and relieving pressure after use, and the pressure relief assembly includes a relief pipe which is connected and fixed to the air cylinder, and a plug is detachably connected to the relief pipe by means of threads.

[0017] Preferably, the restraint components are evenly distributed in multiple groups on the flexible splint, and the restraint components include a first restraint belt and a second restraint belt respectively fixed on both sides of the flexible splint, and the first restraint belt and the second restraint belt are connected and fixed by a Velcro structure.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] During use of the limb fixing clamp of the present invention, the restraining component, the inflation component, the pumping and pressing component and the control component cooperate with each other, which can not only ensure the clamping effect of the designated limb position, but also prevent further inflation and pressure increase after the pressure of the air cylinder and the clamping airbag reaches a certain level, thereby avoiding the possibility of damage to the restrained and clamped limb position caused by excessive clamping force. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall appearance structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the structure of the inflatable component of the present invention;

[0022] Figure 3 It is a schematic diagram of the structure of the pressure relief assembly of the present invention;

[0023] Figure 4 It is a schematic diagram of the structure of the pumping and pressing assembly of the present invention;

[0024] Figure 5 It is a schematic diagram of the structure of the extrusion assembly and the rotating assembly of the present invention;

[0025] Figure 6 It is a schematic diagram of the control component structure of the present invention;

[0026] Figure 7 It is a schematic diagram of the structure of the connection assembly of the present invention.

[0027] In the figure: 101, flexible splint; 102, clamping airbag; 201, first restraint belt; 202, second restraint belt; 301, air cylinder; 302, L-shaped inflation tube; 303, operating tube; 401, one-way valve; 402, transmission rod; 403, piston plate; 404, first spring; 501, drive disk; 502, protrusion; 601, spline hole; 602, spline shaft; 603, drive pin; 701, piston tube; 702, piston rod; 703, second spring; 801, annular plate; 802, annular groove; 803, annular connecting plate; 901, vent pipe; 902, plug. 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 1

[0030] See also Figure 1-Figure 7 , a medical clamp pressure control assembly shown in the figure includes a flexible splint 101 for clamping and fixing a limb, a clamping airbag 102 for squeezing and clamping is centrally arranged on the flexible splint 101, and also includes:

[0031] A restraint component provided on the flexible splint 101 for assisting restraint during the limb clamping process;

[0032] An inflation component disposed on the clamping airbag 102 for inflating the interior of the clamping airbag 102;

[0033] The inflation component includes an air cylinder 301 which is connected and fixed to the clamping airbag 102, an L-shaped inflation tube 302 is connected and fixed to the air cylinder 301, an operating tube 303 is connected and fixed to the L-shaped inflation tube 302, a pumping and pressing component for assisting the pumping and pressing during the inflation process is arranged between the operating tube 303 and the L-shaped inflation tube 302, and a control component for controlling the internal pressure of the clamping airbag 102 during the inflation process is arranged at one end of the air cylinder 301;

[0034] It should be noted here that during the use of the limb fixation clamp, the restraint component, inflation component, suction and pressure component and control component cooperate with each other, which can not only ensure the clamping effect of the designated limb position, but also prevent further inflation and pressure increase after the pressure of the air cylinder 301 and the clamping airbag 102 reaches a certain level, thereby avoiding the possibility of damage to the restrained and clamped limb position due to excessive clamping force.

[0035] Preferably, the pumping and pressing assembly includes two groups of one-way valves 401 fixed inside the L-shaped inflation tube 302, the operating tube 303 is located between the two groups of one-way valves 401, one end of the operating tube 303 is slidably connected to a transmission rod 402, one end of the transmission rod 402 is located inside the operating tube 303 and is fixed with a piston plate 403, the piston plate 403 is slidably connected to the inside of the operating tube 303, the outer side of the transmission rod 402 is sleeved with a first spring 404, the two ends of the first spring 404 are respectively connected to the piston plate 403 and the operating tube 303, and one side of the air cylinder 301 is provided with an extrusion assembly for extruding the transmission rod 402;

[0036] It should be noted here that: through transmission, the transmission rod 402 and the piston plate 403 are forced to reciprocate on the operating tube 303. Since the conduction direction of the two sets of one-way valves 401 is from the end of the L-shaped inflation tube 302 facing the outside to the end facing the air cylinder 301, during the reciprocating motion of the piston plate 403, part of the gas outside the L-shaped inflation tube 302 is sucked into between the two sets of one-way valves 401 of the L-shaped inflation tube 302 and squeezed from one end of the L-shaped inflation tube 302 into the interior of the air cylinder 301 and the clamping airbag 102, thereby realizing the inflation operation of the clamping airbag 102.

[0037] Preferably, the conducting direction of the two sets of one-way valves 401 is from the end of the L-shaped inflation tube 302 close to the outside to the end close to the gas cylinder 301;

[0038] It should be noted here that by setting the conduction direction, it is convenient to control the direction of air intake.

[0039] Preferably, the extrusion assembly includes a driving disk 501, and a rotating assembly for rotating the driving disk 501 is provided at one end of the air cylinder 301. The driving disk 501 is located below the transmission rod 402, and multiple groups of protrusions 502 for abutting against the lower end of the transmission rod 402 for transmission are fixed on the outer side of the driving disk 501 in a circular array state;

[0040] It should be noted here that: the driving disk 501 is driven to rotate by the rotating component. During the rotation of the driving disk 501, each group of protrusions 502 is driven to abut against the end of the transmission rod 402 in turn. During the abutment between the protrusions 502 and the end of the transmission rod 402, the transmission rod 402 and the piston plate 403 are pushed to move on the operating tube 303. During the process when the protrusions 502 are not abutted against the end of the transmission rod 402, the transmission rod 402 and the piston plate 403 are reset by the elastic force of the first spring 404. Therefore, during the rotation of the driving disk 501, the transmission rod 402 and the piston plate 403 are forced to reciprocate on the operating tube 303 through transmission.

[0041] Preferably, the rotating assembly includes a spline hole 601 opened on the driving disk 501, a spline shaft 602 is slidably connected to the spline hole 601, one end of the spline shaft 602 is rotatably connected to one end of the air cylinder 301, and the other end of the spline shaft 602 is fixed with a driving pin 603 for driving the spline shaft 602;

[0042] It should be noted here that: the spline shaft 602 is driven to rotate by the driving pin 603 , and during the rotation of the spline shaft 602 , the driving disk 501 is driven to rotate through the connection transmission effect between the spline shaft 602 and the spline hole 601 .

[0043] Preferably, there are multiple groups of control components, and the multiple groups of control components are arranged between the driving disk 501 and the air cylinder 301 in a state of a ring array;

[0044] It should be noted here that: more efficient control operations are facilitated by using multiple groups of control components.

[0045] Preferably, the control assembly includes a piston tube 701 fixed to the end of the gas cylinder 301, one end of the piston tube 701 is connected to the inside of the gas cylinder 301, a piston rod 702 is slidably connected to the piston tube 701, one end of the piston rod 702 and one side of the driving disk 501 are provided with a connecting assembly for auxiliary rotatable connection, and a second spring 703 is sleeved on the outer side of the piston tube 701;

[0046] It should be noted here that: during the inflation process, as the inflation continues, the pressure inside the clamping airbag 102 and the air cylinder 301 continues to increase. During the pressure increase, the pressure inside the air cylinder 301 causes each group of piston rods 702 to be forced to slide outward on each group of piston tubes 701. During the outward sliding of the piston rods 702, the driving disk 501 is driven to move synchronously through the connection between the annular plate 801, the annular groove 802 and the annular connecting plate 803. During the movement of the driving disk 501, when the driving disk 501 rotates, the groups of protrusions 502 on the driving disk 501 cannot abut against the end of the transmission rod 402. At this time, the inflation operation cannot be performed, forming a process of inflating and clamping the air cylinder 301 and the clamping airbag 102. When the pressure of the air cylinder 301 and the clamping airbag 102 reaches a certain level, further inflation and pressure increase cannot be performed.

[0047] Preferably, the connecting assembly includes an annular plate 801, one end of the piston rod 702 is fixed to the annular plate 801, two ends of the second spring 703 are respectively connected to one end of the air cylinder 301 and one side of the annular plate 801, an annular groove 802 is provided on one side of the annular plate 801, an annular connecting plate 803 is rotatably connected to the annular groove 802, the annular connecting plate 803 is fixed to one side of the driving disk 501, the annular plate 801, the annular groove 802, the annular connecting plate 803 and the driving disk 501 are concentrically arranged, and the cross-sections of the annular groove 802 and the annular connecting plate 803 are T-shaped;

[0048] It should be noted here that the annular plate 801, the annular groove 802 and the annular connecting plate 803 facilitate the connection transmission between the piston rod 702 and the driving disk 501, and the annular plate 801, the annular groove 802 and the annular connecting plate 803 facilitate the rotatable connection between the piston rod 702 and the driving disk 501.

[0049] Preferably, the air cylinder 301 is provided with a pressure relief assembly for relieving pressure after clamping and use, and the pressure relief assembly includes a relief pipe 901 connected and fixed to the air cylinder 301, and a plug 902 is detachably connected to the relief pipe 901 by means of threads;

[0050] It should be noted here that: when it is necessary to deflate the interior of the air cylinder 301 and the clamping air bag 102, the plug 902 is removed from the deflation pipe 901, and the interior of the air cylinder 301 and the clamping air bag 102 are deflated through the deflation effect of the deflation pipe 901, so as to facilitate the subsequent continued use of the air cylinder 301 and the clamping air bag 102.

[0051] Preferably, the restraint components are evenly distributed in multiple groups on the flexible splint 101, and the restraint components include a first restraint belt 201 and a second restraint belt 202 respectively fixed on both sides of the flexible splint 101, and the first restraint belt 201 and the second restraint belt 202 are connected and fixed by a Velcro structure;

[0052] It should be noted here that: the flexible splint 101 is bent so that the flexible splint 101 is wrapped around the outside of the limb that needs to be clamped. After the flexible splint 101 is bent and fits the limb, the first restraint belt 201 and the second restraint belt 202 are connected and fixed by Velcro. Through the connection and fixing effect of the first restraint belt 201 and the second restraint belt 202, the fitted flexible splint 101 is restrained and fixed on the outside of the limb, thereby assisting the flexible splint 101 in the initial clamping operation of the limb.

[0053] In this solution: a medical clamp pressure control assembly comprises the following steps:

[0054] When the limb fixing clamp is used, the flexible splint 101 is bent so that the flexible splint 101 is wrapped around the outside of the limb to be clamped. After the flexible splint 101 is bent and fits the limb, the first binding belt 201 and the second binding belt 202 are connected and fixed by Velcro. Through the connection and fixing effect of the first binding belt 201 and the second binding belt 202, the fitted flexible splint 101 is bound and fixed on the outside of the limb, thereby assisting the initial clamping operation of the flexible splint 101 on the limb.

[0055] After the flexible splint 101 is attached and clamped, the interior of the clamping airbag 102 on the flexible splint 101 is inflated so that the clamping airbag 102 and the attached limb are fully pressed against each other to ensure the clamping effect on the designated limb position. In the process of inflating the interior of the clamping airbag 102, the spline shaft 602 is driven to rotate by the driving pin 603. During the rotation of the spline shaft 602, the driving disk 501 is driven to rotate through the connection transmission between the spline shaft 602 and the spline hole 601. During the rotation of the driving disk 501, each group of protrusions 502 is driven to press against the end of the transmission rod 402 in turn. During the pressing against the end of the transmission rod 402, the transmission rod 402 and the piston plate 403 are pushed to bear force on the operating tube 303. The first spring 404 is used to push the drive rod 402 and the piston plate 403 to move back and forth on the operating tube 303. The first spring 404 is used to push the drive rod 402 and the piston plate 403 to move back and forth on the operating tube 303. The two sets of one-way valves 401 are used to conduct from the end of the L-shaped inflatable tube 302 facing the outside to the end facing the air cylinder 301. During the reciprocating movement of the piston plate 403, part of the gas outside the L-shaped inflatable tube 302 is sucked between the two sets of one-way valves 401 of the L-shaped inflatable tube 302 and is squeezed to rush from one end of the L-shaped inflatable tube 302 into the inside of the air cylinder 301 and the clamping airbag 102, thereby realizing the inflation operation of the clamping airbag 102.

[0056] During the inflation process, as the inflation continues, the pressure inside the clamping airbag 102 and the air cylinder 301 continues to increase. During the pressure increase process, the pressure inside the air cylinder 301 causes each group of piston rods 702 to be forced to slide outward on each group of piston tubes 701. During the outward sliding of the piston rods 702, the connecting action of the annular plate 801, the annular groove 802 and the annular connecting plate 803 drives the driving disk 501 to move synchronously. During the movement of the driving disk 501, when the driving disk 501 rotates, the groups of protrusions 502 on the driving disk 501 cannot abut against the end of the transmission rod 402. At this time, the inflation operation cannot be performed, forming a process of inflating and clamping the air cylinder 301 and the clamping airbag 102. When the pressure of the air cylinder 301 and the clamping airbag 102 reaches a certain level, it is impossible to further inflate and increase the pressure, thereby avoiding the possibility of damage to the limb position caused by excessive clamping force.

[0057] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0058] 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 medical clamp pressure control assembly, comprising: A flexible splint (101) for clamping and fixing a limb, wherein a clamping airbag (102) for squeezing and clamping is centrally arranged on the flexible splint (101); It is characterized by further comprising: A restraint component arranged on the flexible splint (101) and used to assist in restraining a limb during clamping; An inflation component disposed on the clamping airbag (102) and used for inflating the interior of the clamping airbag (102); The inflation component comprises an air cylinder (301) which is fixedly connected to the clamping airbag (102); an L-shaped inflation tube (302) is fixedly connected to the air cylinder (301); an operating tube (303) is fixedly connected to the L-shaped inflation tube (302); a pumping and pressing component for assisting pumping and pressing during inflation is arranged between the operating tube (303) and the L-shaped inflation tube (302); and a control component for controlling the internal pressure of the clamping airbag (102) during inflation is arranged at one end of the air cylinder (301).

2. A medical clamp pressure control assembly according to claim 1, characterized in that: The pumping and pressing assembly comprises two groups of one-way valves (401) fixed inside an L-shaped inflation tube (302); the operating tube (303) is located between the two groups of one-way valves (401); one end of the operating tube (303) is slidably connected to a transmission rod (402); one end of the transmission rod (402) is located inside the operating tube (303) and is fixed with a piston plate (403); the piston plate (403) is slidably connected to the inside of the operating tube (303); a first spring (404) is sleeved on the outer side of the transmission rod (402); two ends of the first spring (404) are respectively connected to the piston plate (403) and the operating tube (303); and one side of the air cylinder (301) is provided with an extrusion assembly for extruding the transmission rod (402).

3. A medical clamp pressure control assembly according to claim 2, characterized in that: The conducting direction of the two sets of one-way valves (401) is from the end of the L-shaped inflation tube (302) facing the outside to the end facing the air cylinder (301).

4. A medical clamp pressure control assembly according to claim 3, characterized in that: The extrusion assembly comprises a driving disk (501), one end of the air cylinder (301) is provided with a rotating assembly for rotating the driving disk (501), the driving disk (501) is located below the transmission rod (402), and a plurality of groups of protrusions (502) for abutting against the lower end of the transmission rod (402) for transmission are fixed on the outer side of the driving disk (501) in a circular array.

5. A medical clamp pressure control assembly according to claim 4, characterized in that: The rotating assembly comprises a spline hole (601) formed on a driving disk (501), a spline shaft (602) being slidably connected to the spline hole (601), one end of the spline shaft (602) being rotatably connected to one end of an air cylinder (301), and a driving pin (603) for driving the spline shaft (602) being fixed to the other end of the spline shaft (602).

6. A medical clamp pressure control assembly according to claim 5, characterized in that: The control components are provided in multiple groups, and the multiple groups of control components are arranged in a ring array between the driving disk (501) and the air cylinder (301).

7. The medical clamp pressure control assembly according to claim 5, characterized in that: The control assembly comprises a piston tube (701) fixed to the end of the gas cylinder (301), one end of the piston tube (701) is arranged to communicate with the interior of the gas cylinder (301), a piston rod (702) is slidably connected to the piston tube (701), one end of the piston rod (702) and one side of the driving disk (501) are provided with a connecting assembly for assisting rotatable connection, and a second spring (703) is sleeved on the outer side of the piston tube (701).

8. The medical clamp pressure control assembly according to claim 7, characterized in that: The connecting assembly comprises an annular plate (801), one end of the piston rod (702) is fixed to the annular plate (801), two ends of the second spring (703) are respectively connected to one end of the air cylinder (301) and one side of the annular plate (801), one side of the annular plate (801) is provided with an annular groove (802), an annular connecting plate (803) is rotatably connected to the annular groove (802), the annular connecting plate (803) is fixed to one side of the driving disk (501), the annular plate (801), the annular groove (802), the annular connecting plate (803) and the driving disk (501) are concentrically arranged, and the cross-sections of the annular groove (802) and the annular connecting plate (803) are T-shaped.

9. A medical clamp pressure control assembly according to claim 8, characterized in that: The air cylinder (301) is provided with a pressure relief component for relieving pressure after use, and the pressure relief component comprises a relief pipe (901) connected and fixed to the air cylinder (301), and a plug (902) is detachably connected to the relief pipe (901) by means of threads.

10. The medical clamp pressure control assembly according to claim 1, characterized in that: The binding components are evenly distributed in multiple groups on the flexible splint (101), and the binding components include a first binding belt (201) and a second binding belt (202) respectively fixed to two sides of the flexible splint (101), and the first binding belt (201) and the second binding belt (202) are connected and fixed by a Velcro structure.

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