Timing balloon dilatation pressure pump

Abstract

The utility model provides a timing balloon dilatation pressure pump, including push rod, tube body, pressure gauge, high pressure tube, locking device and timing device, the tube body is fixedly connected with the casing, the locking device is arranged in the casing, the timing device is fixed on the circumferential side wall of the casing, one end of the push rod passes through the locking device and extends into the tube body, and the other end of the push rod passes through the pressure gauge. A handle is fixed at one end of the push rod, external threads are arranged on the push rod, the front end of the push rod arranged in the tube body is connected with a piston, the side wall of the front end of the tube body is connected with a pressure gauge, and one end of the high-pressure tube is communicated with the front end of the tube body. Time is set according to the balloon and operation requirements, when the time reaches a preset value, the buzzer gives an alarm, and the indicator lamp flickers.

Description

[0001] The utility model relates to medical instrument technical field especially relates to a kind of timing balloon dilatation pressure pump. BACKGROUND

[0002] In intervention operation, balloon dilatation pressure pump is generally used to dilate balloon, monitor pressure in balloon and shrink balloon. Pressure pump can inject solution such as contrast medium or physiological saline into the vascular disease of patient under pressure, which is convenient for doctor to monitor operation treatment and disease place by computer tomography. Pressure pump can also dilate balloon and monitor pressure in balloon. After completion of stent expansion, pressure pump can release pressure and shrink balloon.

[0003] When existing balloon dilatation pressure pump reaches required pressure, it needs to maintain pressure for one to two minutes, which often needs medical staff to time alone, and brings inconvenience to operation. SUMMARY

[0004] To solve the above problems, the utility model provides a kind of timing balloon dilatation pressure pump.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of timing balloon dilatation pressure pump, including push rod, pipe body, pressure gauge, high-pressure pipe, locking device and timing device, the pipe body is fixedly connected with shell, the locking device is located in shell, the timing device is fixed on the circumferential side wall of shell, one end of the push rod is inserted into the pipe body and extends into the inside, one end of the push rod is fixed handle, the push rod is equipped with external thread, the push rod front end in pipe body is connected with piston, the pipe body front end side wall is connected with pressure gauge, one end of the high-pressure pipe is communicated with the pipe body front end;The timing device includes switch, indicator light, buzzer and pressure sensor, the pressure sensor is fixed on the inner wall of locking device shell close to the locking block of button;The timing circuit in the timing device is: the indicator light, switch and pressure sensor form series circuit and are connected with power supply, the buzzer is connected with indicator light in parallel, when the pressure sensor pressure value is not zero and the timing device reaches set value, circuit is connected, indicator light is bright, and buzzer is responded.

[0006] Preferably, the locking device includes button, reset spring and locking block, the button is connected with one end of locking block, the reset spring is connected with the other end of locking block, the locking block is equipped with through hole, and the hole wall of through hole is provided with thread surface corresponding to the external thread on the push rod, the hole diameter of the through hole is greater than the diameter of the push rod.

[0007] Preferably, the circumferential side wall of the piston is equipped with sealing ring, and the sealing ring is provided with a plurality of annular protrusions.

[0008] Preferably, the other end of the high-pressure pipe is equipped with connector.

[0009] Preferably, the button side wall is provided with a plurality of elastic clamping blocks, and the shell is provided with corresponding clamping grooves.

[0010] Preferably, the indicator lamp and the buzzer are arranged on the circumferential side wall of the shell.

[0011] Preferably, two locking devices are arranged on the shell.

[0012] Compared with the prior art, the utility model has the beneficial effects that: the utility model sets timing device, sets time according to balloon and operation requirement, when time reaches preset value, buzzer sends out alarm, indicator lamp flashes, adjusts timing device to preset value, and locking block produces extrusion to pressure sensor, when timing reaches preset value, circuit connects buzzer and sends out alarm, and indicator lamp flashes, under the action of reset spring, the threaded curved surface on the hole wall of the insertion hole is engaged with the external thread on the push rod, the push rod is prevented from moving along the axial direction of the pipe body, and the double locking device design can effectively prevent the operation of mistaken pressure relief, the circumferential side of the piston is provided with a sealing plug, a plurality of annular protrusions for enhancing the friction between the pipe body and the piston are arranged on the sealing plug, and the risks of loose sealing of the piston of the balloon expansion pressure pump, liquid leakage and bacterial entry are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a top view of the timing balloon expansion pressure pump of the utility model.

[0014] Figure 2 It is a sectional view of the timing balloon expansion pressure pump of the utility model.

[0015] Figure 3 It is a front view of the timing balloon expansion pressure pump of the utility model.

[0016] Figure 4 It is an A-A sectional view of the timing balloon expansion pressure pump of the utility model.

[0017] Figure 5 It is an A-A sectional view of the timing balloon expansion pressure pump of the utility model after the pressing button is pressed.

[0018] Figure 6 It is a timing circuit diagram of the timing balloon expansion pressure pump of the utility model.

[0019] BRIEF DESCRIPTION OF DRAWINGS: 1. push rod, 11. handle, 12. piston, 13. sealing ring, 14. annular protrusion, 15. external thread, 2. tube body, 3. pressure gauge, 4. high-pressure pipe, 41. connector, 5. locking device, 51. button, 52. return spring, 53. locking block, 54. threaded curved surface, 55. through hole, 56. housing, 57. elastic clamping block, 58. clamping groove, 6. timing device, 61. switch, 62. indicator light, 63. buzzer, 64. pressure sensor. DETAILED DESCRIPTION

[0020] In order to have a further understanding of the purpose, structure, characteristics and functions of the utility model, the following detailed description is made in connection with the embodiments.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 6 , one embodiment of the utility model discloses a timing balloon dilatation pressure pump, which comprises a push rod 1, a tube body 2, a pressure gauge 3, a high-pressure pipe 4, a locking device 5 and a timing device 6, the tube body 2 is fixedly connected with a housing 56, the locking device 5 is arranged in the housing 56, the timing device 6 is fixed on the circumferential side wall of the housing 56, one end of the push rod 1 penetrates through the locking device 5 and extends into the inside of the tube body 2, the handle is fixed on one end of the push rod 1, the push rod 1 is provided with an external thread 15, the front end of the push rod 1 arranged in the inside of the tube body 2 is connected with a piston 12, the front end side wall of the tube body 2 is connected with the pressure gauge 3, one end of the high-pressure pipe 4 is communicated with the front end of the tube body 2; the timing device 6 comprises a switch 61, an indicator light 62, a buzzer 63 and a pressure sensor 64, the pressure sensor 64 is fixed on the inner wall of the locking device 5 housing 56 close to the locking block 52 of the button 51; the timing circuit in the timing device 6 is as follows: the indicator light 62, the switch 61 and the pressure sensor 64 form a series circuit and are connected with a power supply, the buzzer 63 is connected with the indicator light 62 in parallel, when the pressure value of the pressure sensor 64 is not zero and the timing device 6 reaches the set value, the circuit is connected, the indicator light 62 is bright, and the buzzer 63 is sounded.

[0022] In one embodiment, as shown in Figure 2 and Figure 4 , the locking device 5 comprises a button 51, a return spring 52 and a locking block 53, the button 51 is connected with one end of the locking block 53, the return spring 52 is connected with the other end of the locking block 53, the locking block 53 is provided with a through hole 55, the hole wall of the through hole 55 is provided with a threaded curved surface 54 corresponding to the external thread 15 on the push rod 1, and the hole diameter of the through hole 55 is greater than the diameter of the push rod 1.

[0023] Under the action of the reset spring 52, the threaded curved surface 54 on the hole wall of the through-hole 55 is engaged with the external thread 11 on the push rod 1, preventing the push rod 1 from moving along the axial direction of the tube body 2; when pressure is applied to the button 51, the locking block 53 moves towards the inside of the tube body 2, the threaded curved surface 54 on the hole wall of the through-hole 55 is disengaged from the external thread 11 on the push rod 1, and the push rod 1 can move along the axial direction of the tube body 2; when the pressure on the button 51 is released, the reset spring 52 pushes the button 51 and the locking block 53 to reset, and the threaded curved surface 54 on the hole wall of the through-hole 55 is engaged with the external thread 11 on the push rod 1, preventing the push rod 1 from moving along the axial direction of the tube body 2.

[0024] In an embodiment, as shown in Figure 2 , the circumferential side wall of the piston 12 is provided with a sealing ring 13, and the sealing ring 13 is provided with a plurality of annular protrusions 14, which can enhance the friction between the tube body 2 and the piston 12, avoiding the risk of leakage and bacterial entry due to poor sealing of the piston 12 of the balloon expansion pressure pump.

[0025] In an embodiment, as shown in Figure 3 , the other end of the high-pressure tube 4 is provided with a connecting head 41, which is convenient for connecting with other instruments such as balloon catheters.

[0026] In an embodiment, as shown in Figure 4 and Figure 5 , the button side wall of the button 51 is provided with a plurality of elastic clamping blocks 57, and the shell 56 is provided with corresponding clamping grooves 58 for fixing the button 51.

[0027] In an embodiment, as shown in Figure 1 , the indicator light 62 and the buzzer 63 are both arranged on the circumferential side wall of the shell 56.

[0028] In an embodiment, as shown in Figure 1 and Figure 2 , the shell 56 is provided with two locking devices.

[0029] In an embodiment, the tube body 2 is made of transparent material, which can facilitate the user to observe the internal operation of the tube body 2, and the outer surface of the tube body 2 is provided with a scale.

[0030] Usage: combined with Figures 1-6As shown, the device is connected with the patient's balloon, holding the locking device 5, when the pressure on the button 51, the locking block 53 to the inside of the pipe body 2 movement, threaded surface 54 on the wall of the hole 55 hole with the outer thread 11 on the push rod 1 is separated, the push rod 1 can move along the axial direction of the pipe body 2, the pressure on the button 51 is released, the reset spring 52 pushes the button 51, the locking block 53 resets, the threaded surface 54 on the wall of the hole 55 hole with the outer thread 11 on the push rod 1 is engaged, preventing the push rod 1 from moving along the axial direction of the pipe body 2, opening the switch 61 of the timing device 6, when the pressure on the button 51 is released, the locking block 53 is extruded on the pressure sensor 64, the timing is opened, when the timing device 6 reaches the preset value, the circuit is connected to the buzzer 63 to issue a warning, and the indicator light 62 flashes.

[0031] The utility model has been described by the above related embodiments, however the above embodiments are only examples of implementing the utility model. It must be pointed out that the disclosed embodiments do not limit the scope of the utility model. On the contrary, changes and refinements made without departing from the spirit and scope of the utility model are within the scope of the patent protection of the utility model.

Claims

1. A timed balloon dilation pressure pump, characterized in that: The device includes a push rod (1), a tube body (2), a pressure gauge (3), a high-pressure tube (4), a locking device (5), and a timing device (6). The tube body (2) is fixedly connected to the housing (56). The locking device (5) is located inside the housing (56). The timing device (6) is fixed on the circumferential side wall of the housing (56). One end of the push rod (1) passes through the locking device (5) and extends into the tube body (2). One end of the push rod (1) is fixed with a handle. The push rod (1) is provided with an external thread (15). The front end of the push rod (1) placed inside the tube body (2) is connected to a piston (12). The front side wall of the tube body (2) is connected to the pressure gauge (3). One end of the high-pressure tube (4) is connected to the front end of the tube body (2). The timing device (6) includes a switch (61), an indicator light (62), a buzzer (63), and a pressure sensor (64). The pressure sensor (64) is fixed on the inner wall of the housing (56) of the locking device (5) near the locking block (53) of the button (51). The timing circuit in the timing device (6) is as follows: the indicator light (62), the switch (61) and the pressure sensor (64) form a series circuit and are connected to the power supply. The buzzer (63) is connected in parallel with the indicator light (62). When the pressure value of the pressure sensor (64) is not zero and the timing device (6) reaches the set value, the circuit is connected, the indicator light (62) lights up, and the buzzer (63) sounds.

2. The timed balloon dilation pressure pump as described in claim 1, characterized in that: The locking device (5) includes a button (51), a return spring (52) and a locking block (53). The button (51) is connected to one end of the locking block (53), and the return spring (52) is connected to the other end of the locking block (53). The locking block (53) is provided with an insertion hole (55). The wall of the insertion hole (55) is provided with a threaded surface (54) corresponding to the external thread (15) on the push rod (1). The diameter of the insertion hole (55) is larger than the diameter of the push rod (1).

3. The timed balloon dilation pressure pump as described in claim 1, characterized in that: The piston (12) has a sealing ring (13) on its circumferential sidewall, and the sealing ring (13) has several annular protrusions (14).

4. The timed balloon dilation pressure pump as described in claim 1, characterized in that: The other end of the high-pressure pipe (4) is provided with a connector (41).

5. The timed balloon dilation pressure pump as described in claim 1, characterized in that: The button (51) has several elastic blocks (57) on its side wall, and the housing (56) has corresponding slots (58).

6. The timed balloon dilation pressure pump as described in claim 1, characterized in that: The indicator light (62) and the buzzer (63) are both located on the circumferential sidewall of the housing (56).

7. The timed balloon dilation pressure pump as described in claim 1, characterized in that: The housing (56) is provided with two locking devices.

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