CN211751734U

CN211751734U - Balloon dilatation pressure pump

Info

Publication number: CN211751734U
Application number: CN201922244584.8U
Authority: CN
Inventors: 胡堃; 林广勤; 许向前
Original assignee: Huarui Fujian Biotechnology Co ltd
Current assignee: Huarui Fujian Biotechnology Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-10-27
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a sacculus expansion force pump, including adjusting pole, handle, body, locking device, piston and manometer, the one end and the handle threaded connection of regulation pole, body and locking device fixed connection, inside the other end of adjusting the pole runs through locking device and stretches into the body, it is fixed through the veneer with the piston to arrange the inside regulation pole front end of body in, the body front end can be dismantled with the manometer and be connected. The utility model provides a locking device makes pressurization and pressure release process more convenient, and the design of sealing plug has increased the leakproofness of piston with the body in the piston simultaneously, has guaranteed the validity and the accuracy of pressurization process.

Description

Balloon dilatation pressure pump

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a sacculus expansion force pump.

Background

The interventional therapy operation is a percutaneous puncture minimally invasive treatment mode, does not need to be operated, has small wound, is quick to recover, has good effect, and is an advanced and effective cardiovascular disease treatment method at present. The balloon dilatation pressure pump is a medical instrument used for pressurizing a balloon dilatation catheter and expanding a balloon in an interventional therapy operation so as to achieve the purpose of expanding a blood vessel or retaining a stent in the blood vessel. The balloon expansion pressure pump expands or contracts the balloon expansion catheter, the balloon can be filled with liquid according to needs so as to change the pressure and the shape of the balloon, the balloon is expanded, the pressure in the balloon is detected, the balloon is contracted in the balloon expansion process, the balloon used for expanding the stent is pressurized, decompressed, vacuumized under negative pressure and the like, and the balloon is expanded and contracted so as to achieve the purpose of expanding the blood vessel or releasing the stent.

Patent document CN104667418A discloses a rapid inflation and deflation control device for an expansion balloon, which comprises a handle body, a push handle, a pump body and a connecting piece, wherein a pressure release assembly capable of self-locking is arranged on the pump body, the pressure release assembly comprises a handle, a cover body arranged in the handle, a release mechanism arranged on the cover body and a self-locking mechanism capable of locking the release mechanism, the cover body is provided with an axle hole, and the push rod is arranged in the axle hole and can move back and forth along the axis of the push rod; meanwhile, the pressure display assembly is arranged on one side of the pump body, so that the reading on the pump body can be conveniently checked, and the pressure display assembly is convenient to place. However, the pressure release assembly in the invention has a complex design, and the piston has a simple design, so that the conditions of untight sealing air, liquid leakage and the like are easy to occur.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide a balloon inflation pressure pump, which has a simple structure and is convenient to operate.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a balloon dilatation pressure pump comprises an adjusting rod, a handle, a tube body, a locking device, a piston and a pressure gauge, wherein one end of the adjusting rod is in threaded connection with the handle, the tube body is fixedly connected with the locking device, the other end of the adjusting rod penetrates through the locking device and extends into the tube body, the front end of the adjusting rod arranged in the tube body is fixedly glued with the piston, and the front end of the tube body is detachably connected with the pressure gauge;

the locking device comprises a shell and a locking ring, the shell is fixedly connected with a pipe body, the locking ring is arranged inside the shell, the adjusting rod penetrates through the locking ring, an ejector rod a and an ejector rod B are arranged on two sides of the upper end of the locking ring respectively, the upper ends of the ejector rod a and the ejector rod B penetrate through the upper surface of the shell, return springs A are sleeved on the ejector rod a and the ejector rod B respectively, the locking ring is integrally connected with the ejector rod a and the ejector rod B, the top ends of the ejector rod a and the ejector rod B are clamped and connected with a button, a limiting plate is arranged below the locking ring and on the inner surface of the bottom of the shell, and at least one return spring B matched with the locking ring and the limiting plate.

Further, the piston includes toper hood, piston base and sealing washer, toper hood and piston base be connected as an organic whole, piston base surface is provided with the sealing washer draw-in groove, the sealing washer draw-in groove bonds fixedly with the sealing washer, be provided with at least one cyclic annular arch on the sealing washer, the piston is connected with body inner wall interference fit through at least one cyclic annular arch on the sealing washer with the body.

Furthermore, the adjusting rod is provided with external threads, and the inner surface of the bottom of the lock ring is provided with positioning threads matched with the external threads of the adjusting rod.

Further, the manometer is 15 with the body surface.

Further, still include high-pressure communicating pipe, high-pressure communicating pipe one end and body intercommunication, the other end of high-pressure communicating pipe is connected with the connecting valve.

Further, the body is made by transparent material, the body surface is provided with the scale.

The utility model discloses following beneficial effect has:

1. the utility model discloses a sacculus expansion force pump is provided with locking device, its inside catch that sets up, and the catch bottom is provided with positioning thread, adjusts the pole and runs through the catch and with the locking of the positioning thread meshing of catch bottom in order to realize the regulating lever, catch upper portion sets up two ejector pins, and the cover is equipped with the spring on it, and catch below and casing bottom internal surface are provided with the limiting plate, and the limiting plate is provided with the spring with casing bottom internal surface. During the use, only need press the button, the ejector pin atress drives the catch downwards, the catch drives the limiting plate downwards and removes and causes reset spring atress compression, cause catch and regulation pole separation, under this kind of state, can impel or pull out the regulation pole wantonly, thereby it realizes the absorption or the discharge liquid of body to drive the piston, then observe the scale and the manometer parameter of body, when adjusting required pressure, loosen the button, the deformation of the spring under two ejector pins and the limiting plate resumes, make the catch reset form the lock state with adjusting the pole meshing again, accomplish the regulation of pressure promptly, high durability and convenient operation, and high speed.

2. The utility model discloses be provided with the piston among the sacculus expansion force pump, wherein piston base surface is provided with the sealing plug, is provided with at least one annular arch of reinforcing body and piston frictional force on it, has avoided the risk that the piston of sacculus expansion force pump is sealed not tight, weeping and bacterium get into, has guaranteed that sacculus expansion force pump pressurizes and expands the security and the validity of sacculus, finally reaches better treatment.

3. The utility model discloses in, the manometer is 15 with the body surface, reads numerical value when being convenient for operate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;

FIG. 3 is a schematic sectional view taken along line B-B of the adjustment lever and the locking device of FIG. 1;

FIG. 4 is a schematic sectional view taken along line A-A of the piston of FIG. 1;

fig. 5 is a schematic sectional view taken along line B-B of the locking device and the adjustment lever of fig. 1 after the button is pressed.

Wherein: 1. adjusting a rod; 11. an external thread; 2. a handle; 3. a pipe body; 4. a locking device; 41. a housing; 42. a locking ring; 421. a top rod a; 422. a mandril b; 423. a return spring A; 424. positioning the screw thread; 43. a button; 44. a limiting plate; 45. a return spring B; 5. a piston; 51. a conical top cap; 52. a piston base; 521. a seal ring clamping groove; 53. a seal ring; 531. an annular projection; 6. a pressure gauge; 7. a high-pressure communicating pipe; 8. and connecting a valve.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Referring to fig. 1-5, a balloon dilatation pressure pump comprises an adjusting rod 1, a handle 2, a tube body 3, a locking device 4, a piston 5 and a pressure gauge 6, wherein one end of the adjusting rod 1 is in threaded connection with the handle 2, the tube body 3 is fixedly connected with the locking device 4, the other end of the adjusting rod 1 penetrates through the locking device 4 and extends into the tube body 3, the front end of the adjusting rod 1 arranged inside the tube body 3 is fixedly glued with the piston 5, and the front end of the tube body 3 is detachably connected with the pressure gauge 6;

the locking device 4 comprises a housing 41 and a lock ring 42, the housing 41 is fixedly connected with the pipe body 3, the locking ring 42 is arranged in the shell 41, the adjusting rod 1 penetrates through the locking ring 42, a top rod a421 and a top rod b 422 are respectively arranged at two sides of the upper end of the locking ring 42, the upper ends of the top bar a421 and the top bar b 422 penetrate the upper surface of the casing 41, the top bar a421 and the top bar b 422 are respectively sleeved with a return spring A423, the locking ring 42 is integrally connected with the top rod a421 and the top rod b 422, the top ends of the top rod a 41 and the top rod b 422 are clamped and connected with a button 43, a limiting plate 44 is arranged below the locking ring 42 and on the inner surface of the bottom of the shell 41, and at least one return spring B45 which is matched with the locking ring 42 and the limiting plate 44 to radially displace is arranged on the lower surface of the limiting plate 44 and on the inner surface of the bottom of the shell 41.

The piston 5 comprises a conical top cap 51, a piston base 52 and a sealing ring 52, the conical top cap 51 is integrally connected with the piston base 52, a sealing ring clamping groove 521 is formed in the outer surface of the piston base 52, the sealing ring clamping groove 521 is fixedly bonded with a sealing ring 53, at least one annular protrusion 531 is arranged on the sealing ring 53, and the piston 5 and the pipe body 3 are connected with the inner wall of the pipe body (3) in an interference fit mode through the at least one annular protrusion 531 on the sealing ring 53.

Wherein, the adjusting rod 1 is provided with an external thread 11, and the inner surface of the bottom of the locking ring 42 is provided with a positioning thread 424 which is matched with the external thread 11 of the adjusting rod 1.

Wherein, the pressure gauge 6 and the surface of the pipe body 3 form a 15-degree angle.

Wherein, still include high-pressure communicating pipe 7, high-pressure communicating pipe 7 one end and body 3 intercommunication, the other end of high-pressure communicating pipe 7 is connected with connecting valve 8.

Wherein, body 3 is made by transparent material, but 3 internal operation condition of body are observed to convenient to use person, 3 surfaces of body are provided with the scale.

The utility model discloses the theory of operation does:

when the balloon dilatation pressure pump is used, the device is connected with a balloon of a patient, the locking device 4 is held by a hand, the button 43 is pressed, the two ejector rods are stressed to drive the locking ring 42 to move downwards, the locking ring 42 is stressed to press the limiting plate 44 downwards to enable the spring B45 to be stressed and compressed, the locking ring 42 is separated from the adjusting rod 1, and referring to the attached drawing 5, in this state, the adjusting rod 1 can be pushed or pulled freely through the handle 2, so that the piston 5 is driven to suck or discharge liquid from the tube body 3, then the scale of the tube body 3 and the parameters of the pressure gauge 6 are observed, when the required pressure is adjusted, the button 43 is loosened, the spring deformation under the two ejector rods and the limiting plate 44 is recovered, the locking ring 42 is reset to be meshed with the adjusting rod 1.

The above only is the detailed implementation manner of the present invention, not limiting the patent scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a sacculus expansion force pump which characterized in that: the device comprises an adjusting rod (1), a handle (2), a tube body (3), a locking device (4), a piston (5) and a pressure gauge (6), wherein one end of the adjusting rod (1) is in threaded connection with the handle (2), the tube body (3) is fixedly connected with the locking device (4), the other end of the adjusting rod (1) penetrates through the locking device (4) and extends into the tube body (3), the front end of the adjusting rod (1) arranged in the tube body (3) is fixedly glued with the piston (5), and the front end of the tube body (3) is detachably connected with the pressure gauge (6);

the locking device (4) comprises a shell (41) and a locking ring (42), the shell (41) is fixedly connected with the tube body (3), the locking ring (42) is arranged inside the shell (41), the adjusting rod (1) penetrates through the locking ring (42), a top rod a (421) and a top rod b (422) are respectively arranged on two sides of the upper end of the locking ring (42), the upper ends of the top rod a (421) and the top rod b (422) penetrate through the upper surface of the shell (41), a reset spring A (423) is respectively sleeved on the top rod a (421) and the top rod b (422), the locking ring (42) is integrally connected with the top rod a (421) and the top rod b (422), a button (43) is clamped and connected at the top ends of the top rod a (421) and the top rod b (422), a limiting plate (44) is arranged below the locking ring (42) and on the inner surface of the bottom of the shell (41), and a matching plate (42) and the locking ring (42) are arranged on the inner (44) At least one return spring B (45) which is displaced radially.

2. A balloon expandable pressure pump as in claim 1, wherein: piston (5) are including toper hood (51), piston base (52) and sealing washer (53), toper hood (51) and piston base (52) be connected as an organic whole, piston base (52) surface is provided with sealing washer draw-in groove (521), sealing washer draw-in groove (521) and sealing washer (53) bond fixedly, be provided with at least one annular arch (531) on sealing washer (53), piston (5) are connected with body (3) inner wall interference fit through at least one annular arch (531) on sealing washer (53) with body (3).

3. A balloon expandable pressure pump as in claim 1, wherein: the adjusting rod (1) is provided with an external thread (11), and the inner surface of the bottom of the locking ring (42) is provided with a positioning thread (424) matched with the external thread (11) of the adjusting rod (1).

4. A balloon expandable pressure pump as in claim 1, wherein: the pressure gauge (6) and the surface of the pipe body (3) form an angle of 15 degrees.

5. A balloon expandable pressure pump as in claim 1, wherein: still include high pressure communicating pipe (7), high pressure communicating pipe (7) one end and body (3) intercommunication, the other end of high pressure communicating pipe (7) is connected with connecting valve (8).