阅读说明：本技术 球囊压力泵 (Balloon pressure pump ) 是由 晏伟 夏佩佩 魏征 于 2020-07-01 设计创作，主要内容包括：本发明提供了一种球囊压力泵,其包括壳体以及操作杆,所述壳体具有相对设置的远端和近端,所述壳体内部靠近所述远端开设有安装腔,用于可拆卸地安装注射器,所述远端处设置有远端挡片,且所述远端挡片上开设有与所述安装腔连通的连通孔,当所述注射器安装到位时,所述连通孔供所述注射器的连接端伸出,而所述注射器的针筒的底面与所述远端挡片相抵持,所述操作杆用于驱动所述注射器的活塞杆,所述操作杆的一端自所述近端伸入所述壳体的内部,所述操作杆的另一端暴露于所述壳体的外部以供操作。本发明的球囊压力泵可以重复使用,从而可以节约成本,且对环境友好。(The invention provides a balloon pressure pump which comprises a shell and an operating rod, wherein the shell is provided with a far end and a near end which are arranged oppositely, an installation cavity is formed in the shell close to the far end and used for detachably installing an injector, a far end blocking piece is arranged at the far end, a communication hole communicated with the installation cavity is formed in the far end blocking piece, when the injector is installed in place, the connection end of the injector extends out, the bottom surface of a needle cylinder of the injector is abutted against the far end blocking piece, the operating rod is used for driving a piston rod of the injector, one end of the operating rod extends into the shell from the near end, and the other end of the operating rod is exposed outside the shell for operation. The balloon pressure pump can be repeatedly used, so that the cost can be saved, and the balloon pressure pump is environment-friendly.)

1. The utility model provides a sacculus force pump for pressurize and the pressure release medical sacculus, its characterized in that: the balloon pressure pump comprises a shell and an operating rod, wherein the shell is provided with a far end and a near end which are arranged oppositely, an installation cavity is arranged in the shell close to the far end, used for detachably mounting the injector, the far end part is provided with a far end baffle, and the far end baffle is provided with a communication hole communicated with the mounting cavity, the aperture of the communicating hole is smaller than the diameter of the bottom surface of the needle cylinder of the injector and is matched with the outer diameter of the connecting end of the injector, when the injector is installed in place, the connecting end of the injector extends out from the communicating hole, the bottom surface of the syringe of the injector is propped against the far-end separation blade, the operating rod is used for driving a piston rod of the injector, one end of the operating rod extends into the shell from the near end, and the other end of the operating rod is exposed to the outside of the shell for operation.

2. A balloon pressure pump as in claim 1, wherein: the part of the shell corresponding to the installation cavity is a first section, the side wall of the same side of the first section is cut off along the axial direction of the first section to form an installation opening communicated with the installation cavity, one side of the far-end baffle sheet is penetrated to form a communication opening communicated with the communication hole, and the orientation of the communication opening is consistent with that of the installation opening.

3. A balloon pressure pump as in claim 2, wherein: the shell further comprises a second section located between the first section and the near end, and an accommodating cavity communicated with the installation cavity is formed in the second section.

4. A balloon pressure pump as in claim 3, wherein: the balloon pressure pump further comprises a pressure detection display assembly, wherein the pressure detection display assembly is arranged on the second section and at least partially positioned in the accommodating cavity.

5. The balloon pressure pump of claim 4, wherein: the pressure detection display component comprises a pressure gauge, an oil cylinder and a connecting piece, the oil cylinder and the connecting piece are both positioned in the accommodating cavity, the pressure gauge comprises a gauge head and a joint, the oil cylinder comprises a cylinder body and a push rod, an oil storage cavity in which liquid oil is stored is arranged in the cylinder body, the gauge head is exposed outside the second section and can display and read a pressure value, one end of the joint is connected with the gauge head, the other end of the joint is connected with the cylinder body, one end of the push rod extends into the oil storage cavity, the other end of the push rod is connected with the operating rod through the connecting piece, the operating rod drives the cylinder body to move, the piston rod of the injector is driven by the cylinder body, and meanwhile, under the reaction force of the piston rod of the injector, the operating rod drives the push rod to compress the space of the oil storage cavity, the pressure gauge is used for detecting and displaying the pressure value in the oil storage cavity.

6. A balloon pressure pump as in claim 5, wherein: the cylinder body is characterized in that a first guide groove is formed in the side wall of the cylinder body along the axial direction of the cylinder body, a guide protrusion is arranged on the cavity wall of the accommodating cavity corresponding to the first guide groove, or a guide protrusion is arranged on the side wall of the cylinder body along the axial direction of the cylinder body, a first guide groove is formed in the cavity wall of the accommodating cavity corresponding to the guide protrusion, the first guide groove is matched with the guide protrusion to guide the movement of the cylinder body, a second guide groove is correspondingly formed in the side wall of the second section along the axial direction of the second section, and the joint penetrates through the second guide groove and then extends into the accommodating cavity to be connected with the cylinder body.

7. The balloon pressure pump of claim 4, wherein: the pressure detection display assembly comprises a sliding sleeve, a gland, a connecting piece, an indicating block and a third elastic piece, the sliding sleeve is accommodated in the accommodating cavity in a sliding mode, an opening is formed in the upper end of the sliding sleeve, the gland is arranged in the sliding sleeve from the opening of the sliding sleeve in a sliding mode and is arranged in the sliding sleeve in a sliding mode, the connecting piece is used for connecting the operating rod with the gland, a third guide groove is formed in the side wall of the sliding sleeve, the indicating block is located in the third guide groove and is connected with the gland, a window is formed in the second section, the indicating block is exposed through the window, the third elastic piece is arranged in the sliding sleeve and is located between the gland and the bottom wall of the sliding sleeve, the operating rod drives the sliding sleeve to move, the sliding sleeve drives the piston rod of the injector, and meanwhile, under the reactive force of the piston rod of the injector, the action bars drives the gland compression third elastic component, just the gland drives the instruction block removes, be provided with the pressure value scale table on the second section or on the sliding sleeve, the instruction block is used for instructing pressure value on the pressure value scale table.

8. The balloon pressure pump of claim 7, wherein: the elastic coefficient of the third elastic part is 2.5-10N/mm.

9. A balloon pressure pump as in claim 3, wherein: the balloon pressure pump further comprises a switching assembly at least partially mounted within the receiving cavity, the operating rod passing through the switching assembly, the switching assembly causing the operating rod to switch between a push-pull type and a rotary type.

10. A balloon pressure pump as in claim 9, wherein: the switching assembly comprises two matching blocks, a second elastic piece and a clamping piece, the two matching blocks are arranged oppositely, matching grooves with threads are formed in the inner surfaces of the matching blocks, the second elastic piece is arranged between the two matching blocks, the clamping piece is arranged on the outer surfaces of the matching blocks in a sliding mode, the operating rod comprises a rod part with threads, the rod part penetrates through the two matching blocks, when the clamping piece slides to the clamping piece to overcome the elastic force of the second elastic piece to clamp the two matching blocks, the matching grooves are matched to form a matching hole with threads, the hole wall of the matching hole clamps the rod part, the threads of the rod part are matched with the threads of the matching hole, and the operating rod is switched to a rotating mode; when the clamping piece is slid to release the clamping action on the two matching blocks, the two matching blocks are separated from each other under the action of the elastic force of the second elastic piece, so that the clamping action of the hole wall of the matching hole on the rod part is released, and the operating rod is switched to a push-pull mode.

Technical Field

The invention relates to the technical field of medical instruments, in particular to a reusable balloon pressure pump.

Background

In the operation of dilating the narrow part of the human body cavity, the balloon pressure pump is used for pressurizing the medical balloon to dilate the medical balloon, and the dilated medical balloon directly props up the narrow part, or the dilated medical balloon props up the stent sleeved on the medical balloon, and then the narrow part is propped up by the stent; after the dilatation operation is completed, the balloon pressure pump is used for decompressing the medical balloon, so that the medical balloon can be taken out from the cavity and the tract of the human body. Currently, balloon pressure pumps on the market are generally disposable, and can be directly used in an operation and can be discarded after being used up. However, the balloon pressure pump needs to realize the functions of pressurizing, pressure releasing, pressure detecting and the like, so that the balloon pressure pump is high in manufacturing precision, more in parts, complex in structure, high in manufacturing cost, capable of causing great waste due to one-time use and capable of causing adverse effects on the environment.

Disclosure of Invention

The invention aims to provide a balloon pressure pump which can be repeatedly used, thereby saving the cost and being environment-friendly.

In order to achieve the purpose, the invention adopts the following technical scheme:

a balloon pressure pump is used for pressurizing and decompressing a medical balloon. The balloon pressure pump includes a housing and a lever. The casing has relative distal end and near-end that sets up, the casing is inside to be close to the distal end has seted up the installation cavity for detachably installs the syringe, distal end department is provided with distal end separation blade, just set up on the distal end separation blade with the intercommunicating pore of installation cavity intercommunication, the aperture of intercommunicating pore is less than the diameter of the bottom surface of the cylinder of syringe, and with the external diameter phase-match of the link of syringe, when the syringe is installed in place, the intercommunicating pore supplies the link of syringe stretches out, and the bottom surface of the cylinder of syringe with the distal end separation blade supports. The operating rod is used for driving a piston rod of the injector, one end of the operating rod extends into the shell from the near end, and the other end of the operating rod is exposed to the outside of the shell for operation.

In one embodiment, the housing is made of a metallic material.

In one embodiment, the housing is made of stainless steel or an aluminum alloy.

In one embodiment, a portion of the housing corresponding to the mounting cavity is a first section.

In one embodiment, the first section is a circular tube, and an inner cavity of the circular tube is the installation cavity.

In one embodiment, the side wall of the same side of the first segment is cut away along the axial direction of the first segment to form an installation opening communicated with the installation cavity, one side of the far-end baffle is penetrated to form a communication opening communicated with the communication hole, and the orientation of the communication opening is consistent with that of the installation opening. Alternatively, the distal flap may be removably attached to the distal end, e.g., threadably attached.

In one embodiment, at least one horseshoe-shaped positioning piece is arranged in the mounting cavity, and the opening of the positioning piece is in the same orientation as the mounting opening.

In one embodiment, there are two positioning pieces, and the two positioning pieces are respectively arranged at two opposite ends of the installation cavity and used for clamping two opposite ends of the syringe.

In one embodiment, the positioning piece is fixedly installed in the installation cavity or detachably installed in the installation cavity.

In one embodiment, the positioning sheet is detachably installed in the installation cavity and is provided with a plurality of positioning sheets with different opening sizes.

In one embodiment, the balloon pressure pump further comprises a locking assembly for locking or unlocking the syringe.

In one embodiment, the locking assembly includes a pressing plate, a mounting post, a first elastic member, a guide post, and a locking member. The pressing sheet comprises an arc-shaped part and a connecting part arranged at one end of the arc-shaped part, and the radius of the arc-shaped part is matched with the outer diameter of the needle cylinder of the injector. The mounting column is of a hollow structure with two open ends, the mounting column is arranged on the first section, and the axis of the mounting column is perpendicular to the axis of the first section. The guide post is also of a hollow structure with two open ends, the first elastic piece is sleeved outside the guide post, and the first elastic piece and the guide post are accommodated inside the mounting post. The locking piece extends into the bottom of the guide column and penetrates out of the top of the guide column to be detachably connected with the connecting part. When the locking piece is connected with the connecting part, the arc-shaped part is clamped on the outer surface of the needle cylinder of the injector, and the injector is locked; when the locking member is separated from the connecting portion, the arc-shaped portion is removed from the syringe, and the syringe is unlocked.

In one embodiment, the mounting post is integrally formed with the first segment.

In one embodiment, the locking member is a screw, and the connecting portion has a corresponding thread formed therein, and the locking member is threadedly coupled to the connecting portion.

In one embodiment, the first elastic member is a spring or an elastic rubber sleeve.

In one embodiment, the locking assembly includes an elastic cord and a catch. The one end of elasticity rope is fixed to be set up the one side of first section, the other end of elasticity rope is provided with the snap ring, the buckle sets up the opposite side of first section, and can with snap ring detachably block.

In one embodiment, the housing further comprises a second section located between the first section and the proximal end. And the inside of the second section is provided with an accommodating cavity communicated with the mounting cavity.

In one embodiment, the second section is a circular tube, and an inner cavity of the circular tube is the accommodating cavity.

In one embodiment, the connecting wall between the first section and the second section is an arcuate wall.

In one embodiment, the balloon pressure pump further comprises a pressure detection display assembly. The pressure detection display assembly is arranged on the second section and at least partially positioned in the accommodating cavity.

In one embodiment, the pressure detection display assembly comprises a pressure gauge, a cylinder and a connecting piece. The oil cylinder and the connecting piece are both positioned in the accommodating cavity. The manometer includes gauge outfit and joint. The oil cylinder comprises a cylinder body and a push rod. An oil storage cavity for storing liquid oil is formed in the cylinder body. The gauge outfit is exposed outside the second section, can display and can be used for reading the pressure value. One end of the joint is connected with the gauge outfit, and the other end of the joint is connected with the cylinder body. One end of the push rod extends into the oil storage cavity, and the other end of the push rod is connected with the operating rod through the connecting piece. The operating rod can drive the cylinder body to move, and then the cylinder body drives the piston rod of the injector. Meanwhile, under the reaction force of the piston rod of the injector, the operating rod drives the push rod to compress the space of the oil storage cavity. The pressure gauge is used for detecting and displaying the pressure value in the oil storage cavity.

In one embodiment, a first guide groove is formed in the side wall of the cylinder body along the axial direction of the cylinder body, a guide protrusion is arranged on the wall of the accommodating cavity corresponding to the first guide groove, or a guide protrusion is arranged on the side wall of the cylinder body along the axial direction of the cylinder body, a first guide groove is formed in the wall of the accommodating cavity corresponding to the guide protrusion, and the first guide groove is matched with the guide protrusion to guide the movement of the cylinder body.

In one embodiment, the side wall of the second section is correspondingly provided with a second guide groove along the axial direction of the second section, and the joint passes through the second guide groove and then extends into the accommodating cavity to be connected with the cylinder body.

In one embodiment, the bottom wall of the cylinder body is recessed inwardly to form a receiving groove.

In one embodiment, the cylinder is cylindrical.

In one embodiment, the cylinder diameter of the cylinder is equal to the inner diameter of the barrel of the injector.

In one embodiment, the middle portion of the cylinder body is recessed inwardly.

In one embodiment, an oil filling hole communicated with the oil storage cavity is formed in the side wall of the cylinder body.

In one embodiment, the fitting is inserted into the oil filler hole for closing the oil filler hole.

In one embodiment, a sealing ring is arranged between the joint and the wall of the oil filling hole.

In one embodiment, the pressure detection display assembly comprises a sliding sleeve, a gland, a connecting piece, an indicating block and a third elastic piece. The sliding sleeve is contained in the containing cavity in a sliding mode, an opening is formed in the upper end of the sliding sleeve, the gland is installed from the opening of the sliding sleeve and is arranged in the sliding sleeve in a sliding mode, the connecting piece is used for connecting the operating rod with the gland, a third guide groove is formed in the side wall of the sliding sleeve, the indicating block is located in the third guide groove and connected with the gland, a window is formed in the second section, the indicating block is exposed through the window, and the third elastic piece is arranged in the sliding sleeve and located between the gland and the bottom wall of the sliding sleeve. The operating rod can drive the sliding sleeve to move, and then the sliding sleeve drives the piston rod of the injector. Meanwhile, under the reaction force of the piston rod of the injector, the operating rod drives the gland to compress the third elastic part, and the gland drives the indicating block to move. And a pressure value scale table is arranged on the second section or on the sliding sleeve, and the indicating block is used for indicating a pressure value on the pressure value scale table.

In one embodiment, the third elastic member has an elastic modulus of 2.5 to 10N/mm.

In one embodiment, the bottom wall of the sliding sleeve is recessed inwardly to form a receiving groove.

In one embodiment, a fourth guide groove is further formed in the side wall of the sliding sleeve, opposite to the third guide groove, a guide post is arranged on the gland, opposite to the indication block, and the guide post moves along the fourth guide groove in the process that the gland compresses the third elastic element.

In one embodiment, a fifth guide groove is further formed in the second section corresponding to the fourth guide groove, and the guide column moves along the fifth guide groove in the process that the operating rod drives the sliding sleeve to move.

In one embodiment, the balloon pressure pump further comprises a switching assembly. The switching assembly is at least partially mounted in the receiving cavity, the operating rod passes through the switching assembly, and the switching assembly enables the operating rod to be switched between a push-pull type and a rotary type.

In one embodiment, the switching assembly includes two mating blocks, a second elastic member, and a clamping member. Two the cooperation piece sets up relatively, seted up threaded cooperation groove on the internal surface of cooperation piece. The second elastic piece is arranged between the two matching blocks. The clamp is slidably disposed on an outer surface of the mating block. The lever includes a threaded shaft portion. The rod part penetrates between the two matching blocks. When the clamping piece is slid to overcome the elasticity of the second elastic piece to clamp the two matching blocks, the matching grooves are matched to form a matching hole with threads, the hole wall of the matching hole clamps the rod part, the threads of the rod part are matched with the threads of the matching hole, and the operating rod is switched to a rotary mode; when the clamping piece is slid to release the clamping action on the two matching blocks, the two matching blocks are separated from each other under the action of the elastic force of the second elastic piece, so that the clamping action of the hole wall of the matching hole on the rod part is released, and the operating rod is switched to a push-pull mode.

In one embodiment, the sliding direction of the clamping member is perpendicular to the axial direction of the second section.

In one embodiment, the second elastic members are two, and two of the second elastic members are disposed on opposite sides of the fitting groove.

In one embodiment, the mating block has a receiving groove formed on an outer surface thereof. The clamping piece comprises a bottom plate and a clamping part convexly arranged on the bottom plate. The bottom wall of the containing groove is an inclined surface, the bottom surface of the clamping part is also an inclined surface, and under the matching action of the inclined surface of the containing groove and the inclined surface of the clamping part, the clamping part can slide into or out of the containing groove. When the clamping part slides out of the accommodating groove, the clamping part overcomes the elasticity of the second elastic piece to clamp the two matching blocks; when the clamping part slides into the accommodating groove, the clamping action of the clamping part on the two matching blocks is released.

In one embodiment, four of the clamping portions are respectively arranged at four corners of the bottom plate, four of the accommodating grooves are also arranged, and two accommodating grooves are formed in each of the matching blocks.

In one embodiment, the switching assembly further includes an operation piece, the operation piece includes a connection section and an operation section, the bottom plate is correspondingly provided with an installation ear, and the second section is provided with a through groove. One end of the connecting section is connected with the mounting lug, and the other end of the connecting section extends out of the shell through the through groove and is connected with the operating section.

In one embodiment, the connecting section and the operating section are perpendicular, and the operating section is disposed along an axial direction of the second section.

In one embodiment, the switching assembly further comprises a mount. The upper surface epirelief of mount pad is equipped with the installing frame, the upper end of installing frame has the opening, two cooperation piece with the second elastic component passes through the opening of installing frame all sets up in the installing frame, correspond on the side of installing frame the accepting groove has seted up the inserted hole, the clamping part passes behind the inserted hole slidable accept in the accepting groove.

In one embodiment, the switching assembly further comprises a pressure plate and a gasket. The gasket is covered on the opening of the mounting frame, and the pressing plate is covered on the gasket.

In one embodiment, the switching assembly further comprises a positioning sleeve and a support column. The upper end of the positioning sleeve is outwards convexly provided with an outer edge, a step is correspondingly arranged on the cavity wall of the accommodating cavity, the positioning sleeve is supported on the step through the outer edge, and the mounting seat is supported on the outer edge. It is protruding to be provided with the location on the chamber wall of acceping the chamber, the support column includes vertical portion and horizontal part, the position sleeve the mount pad the gasket and first location breach, second location breach, third location breach and fourth location breach have been seted up on the clamp plate respectively, vertical portion with the protruding laminating of location, just vertical portion together with the protruding together card of location is gone into of location first location breach the second location breach third location breach and in the fourth location breach, just the horizontal part card is gone into the third location breach and in the fourth location breach.

In one embodiment, the lever further comprises a handle disposed at one end of the lever portion.

In one embodiment, a proximal end stop is disposed on the proximal end, an end of the rod portion opposite to the handle extends through the proximal end stop, and the handle and the proximal end stop cooperate to limit the stroke of the operating rod.

Compared with the prior art, the invention has the following beneficial effects:

the invention provides a balloon pressure pump, which is not provided with a chamber for storing pressurized fluid, but is provided with a mounting cavity for mounting a syringe, the pressurized fluid is stored through the syringe, and the syringe can be connected and communicated with a high-pressure catheter. After the operation is finished, only the medical saccule, the high-pressure catheter and the injector are discarded, and the saccule pressure pump can be repeatedly used, so that the cost can be saved, and the invention is environment-friendly.

Drawings

Fig. 1 is a schematic structural diagram (with a syringe installed) of a balloon pressure pump according to embodiment 1 of the present invention.

Fig. 2 is a sectional view of the balloon pressure pump shown in fig. 1 (with the pressure gauge omitted).

Fig. 3 is a schematic view of the assembly of the housing and locking assembly of the balloon pressure pump shown in fig. 1.

Fig. 4 is an exploded schematic view (with connectors omitted) of a pressure detection display assembly of the balloon pressure pump shown in fig. 1.

Fig. 5 is a front view of a cylinder of the pressure detection display assembly shown in fig. 4.

Fig. 6 is an exploded schematic view of the switching assembly of the balloon pressure pump shown in fig. 1.

Fig. 7 is a perspective view of the switching assembly shown in fig. 6 (omitting the position sleeve, pressure plate, spacer and support post).

Fig. 8 is a perspective view of a pressure detection display assembly of a balloon pressure pump according to embodiment 2 of the present invention.

Fig. 9 is a front view of the pressure detection display assembly shown in fig. 8.

Fig. 10 is a sectional view of the pressure detection display assembly shown in fig. 8.

Reference numerals:

the pressure detection and display device comprises a shell 1, an operating rod 2, a locking component 3, pressure detection and display components 4 and 6, a switching component 5, a far end 11, a near end 12, a far end baffle 13, a near end baffle 14, a first section 15, a second section 16, a rod part 21, a handle 22, a pressing sheet 31, a mounting column 32, a first elastic member 33, a guide column 34, a locking member 35, a pressure gauge 41, an oil cylinder 42, connecting members 43 and 63, a matching block 51, a second elastic member 52, a clamping member 53, an operating sheet 54, a mounting seat 55, a positioning sleeve 56, a pressing plate 57, a gasket 58, a supporting column 59, a sliding sleeve 61, a pressing cover 62, an indicating block 64, a third elastic member 65, a communication hole 131, a communication port 132, a mounting cavity 151, a mounting hole 152, a positioning sheet 153, a containing cavity 161, a guide projection 162, a step 163, a positioning projection 164, a second guide groove 165, a through groove 166, an arc-shaped part 311, the push rod 422, the first guide groove 423, the accommodating grooves 424 and 611, the oil storage cavity 425, the oil filling hole 426, the matching groove 511, the matching hole 512, the accommodating groove 513, the bottom plate 531, the clamping part 532, the mounting lug 533, the connecting section 541, the operating section 542, the mounting frame 551, the insertion opening 552, the second positioning notch 553, the outer edge 561, the first positioning notch 562, the third positioning notch 581, the fourth positioning notch 571, the fourth guide groove 612, the third guide groove 613 and the guide post 614.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments. It should be understood by those skilled in the art that the examples are only for the understanding of the present invention and should not be construed as the specific limitations of the present invention.