CN211536150U

CN211536150U - Sacculus pressure device

Info

Publication number: CN211536150U
Application number: CN201921210911.1U
Authority: CN
Inventors: 王五星; 王德忍
Original assignee: Shenzhen Antmed Co ltd
Current assignee: Shenzhen Antmed Co ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-09-22
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a sacculus pressure device, include: the injection device comprises a shell, a valve body and a valve body, wherein the shell is provided with an injection port; the piston head is accommodated in the shell and is abutted against the inner wall of the shell along the circumferential direction; one end of the screw rod is connected to one side, away from the injection port, of the piston head, and one end, away from the piston head, of the screw rod is connected to the shell in a threaded mode and extends out of the shell; the fixing piece is connected to the screw rod and the piston head and enables the piston head to be fixed on the screw rod; and rotating one end of the screw rod outside the shell to enable the piston head to reciprocate in the shell. The utility model discloses technical scheme aims at making sacculus pressure device's piston head and difficult emergence of screw rod break away from, improves sacculus pressure device pressurization process's stability.

Description

Sacculus pressure device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to sacculus pressure device.

Background

The balloon pressurizing device is required to be used in medical operations such as cardiovascular stenosis, blockage and the like, and is operated in the operation process, so that solutions such as contrast media, physiological saline and the like are injected into the diseased part of a patient, and a doctor can clearly monitor the diseased part of the patient through an electronic computed tomography technology. In addition, an expansion stent is generally required to be used for supporting and expanding the affected part in the operation process, and the balloon pressurizing device can also be used for pressurizing, decompressing, vacuumizing and the like the balloon at the expansion stent. When the pressurization of the conventional medical balloon pressurization device is close to a limit value, the piston head and the screw rod can be separated, so that the negative pressure in the balloon pressurization device is leaked and the pressurization cannot be continued.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a sacculus pressure device aims at making sacculus pressure device's piston head and difficult emergence of screw rod break away from, improves sacculus pressure device pressurization process's stability.

In order to achieve the above object, the utility model provides a sacculus pressure device, include:

the injection device comprises a shell, a valve body and a valve body, wherein the shell is provided with an injection port;

the piston head is accommodated in the shell and is abutted against the inner wall of the shell along the circumferential direction;

one end of the screw rod is connected to one side, away from the injection port, of the piston head, and one end, away from the piston head, of the screw rod is connected to the shell in a threaded mode and extends out of the shell; and

a fixing member connected to the screw rod and the piston head and fixing the piston head to the screw rod;

and rotating one end of the screw rod outside the shell to enable the piston head to reciprocate in the shell.

In an embodiment of this application, the piston head includes the cup joint portion and the butt portion that are connected, butt portion along circumference butt in shells inner wall, the screw rod is located to the cup joint portion cover, the first connecting hole has been seted up to the cup joint portion, the screw rod corresponds the second connecting hole has been seted up to the first connecting hole, the mounting passes in proper order first connecting hole with the second connecting hole, in order to incite somebody to action the piston head is fixed in the screw rod.

In an embodiment of this application, the casing includes barrel and the fixing base that is connected, screw rod threaded connection in the fixing base, the piston head along circumference butt the inner wall of barrel, the barrel with the piston head encloses jointly and closes and form the holding chamber, the one end that the barrel deviates from the fixing base has been seted up the injection port, the injection port intercommunication the holding chamber.

In an embodiment of the present application, the cylinder and the fixing seat are detachably connected.

In an embodiment of the present application, the balloon pressurizing device further includes a catheter and a connector connected with each other, the catheter has a delivery channel, an end of the catheter facing away from the connector is connected to the injection port, and the connector is used for communicating with an infusion device.

In an embodiment of the present application, the joint comprises:

a connector through-connection to an end of the conduit facing away from the injection port;

the sealing ring is sleeved on the outer wall of one end of the joint straight away from the guide pipe;

the joint main body is connected with the outer wall of one end, deviating from the guide pipe, of the joint straight-through in a buckling mode and abuts against and presses the sealing ring.

In an embodiment of the application, the periphery of the straight-through outer wall of the joint is convexly provided with a limiting protrusion, the inner wall of the joint main body is provided with a corresponding limiting clamping groove, and the limiting protrusion is clamped in the limiting clamping groove.

In an embodiment of this application, sacculus pressure device still includes the pressure display piece, the protruding connecting portion that are equipped with of barrel surface, connecting portion deviate from the concave mounting groove that establishes in surface of barrel, the intercommunication has been seted up to the diapire of mounting groove the through-hole in holding chamber, the pressure display piece inlays to be located in the mounting groove and pass the through-hole, in order to detect the pressure in holding chamber.

In an embodiment of the application, the bottom wall of the mounting groove is concavely provided with an overflow glue groove surrounding the through hole, and the overflow glue groove is used for bearing excessive fixing glue.

In an embodiment of the present application, the balloon pressurizing device further includes a rotating handle connected to an end of the screw rod extending out of the housing.

The utility model discloses technical scheme's sacculus pressure device arranges the piston head in the casing of seting up the injection port, and the piston head is along circumference butt shells inner wall, and the rethread mounting is with screw rod one end and piston head fixed connection, and the other end threaded connection of screw rod is outside casing and stretching out the casing to rotate the screw rod in the outer one end of casing, make piston head reciprocating motion in the casing, realize pressurizeing or reducing the pressure to liquid and gas in the casing. And connect in screw rod and piston head through setting up the mounting to further improve the connection between piston head and the screw rod, and then in pressurization process, avoided piston head and screw rod can take off and cause danger, consequently use in the operation the utility model discloses a sacculus pressure device is safer, stable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of the balloon compression device of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the balloon compression device of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic view of the explosion structure of the balloon pressurizing device of the present invention;

fig. 5 is a schematic structural view of the cylinder of the balloon compression device of the present invention;

FIG. 6 is a cross-sectional view of the cartridge of FIG. 5;

fig. 7 is an explosion structure diagram of the joint of the balloon pressurization device of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a balloon pressurization device 100, comprising: the injection device comprises a shell, wherein an injection port 111 is formed in the shell;

the piston head 20 is accommodated in the shell, and the piston head 20 is abutted against the inner wall of the shell along the circumferential direction;

a screw 30, one end of the screw 30 is connected to the side of the piston head 20 away from the injection port 111, and one end of the screw 30 away from the piston head 20 is connected to the housing in a threaded manner and extends out of the housing; and

a fixing member 40, the fixing member 40 being connected to the screw 30 and the piston head 20 and fixing the piston head 20 to the screw 30;

wherein rotating the end of the threaded rod 30 outside the housing reciprocates the piston head 20 within the housing.

In an embodiment of the present application, the injection port 111 may be protruded outside the housing and connected to the inside of the housing, so that the balloon pressurization device 100 can absorb liquid or gas through the injection port 111. Wherein, piston head 20 can be the rubber material to piston head 20 can circumference butt interference fit and shells inner wall, and then has played sealed effect in to the shell. The screw 30 is made of stainless steel, so that the screw 30 drives the piston head 20 to move more stably, the whole structure of the balloon pressurizing device 100 is more stable, the service life is longer, the effect is better, and the operation process is safer.

The utility model discloses technical scheme's sacculus pressure device 100, arrange piston head 20 in the casing of seting up injection port 111, and piston head 20 along circumference butt shells inner wall, rethread mounting 40 with screw rod 30 one end and piston head 20 fixed connection, screw rod 30's other end threaded connection is outside casing and stretching out the casing to rotating screw rod 30 in the outer one end of casing, making piston head 20 reciprocating motion in the casing, the realization pressurizes or reduces the pressure to the liquid and the gas in the casing. And through setting up mounting 40 and connecting in screw rod 30 and piston head 20 to further improve the connection between piston head 20 and the screw rod 30, and then in the pressurization process, avoided piston head 20 and screw rod 30 to take off and cause danger, consequently use the utility model discloses a sacculus pressurization device 100 is safer, stable in the operation.

Referring to fig. 4, in an embodiment of the present application, the piston head 20 includes a sleeve portion 21 and an abutting portion 22 that are connected to each other, the abutting portion 22 abuts against an inner wall of the housing along a circumferential direction, the sleeve portion 21 is sleeved on the screw 30, the sleeve portion 21 is provided with a first connection hole 211, the screw 30 is provided with a second connection hole 31 corresponding to the first connection hole 211, and the fixing member 40 sequentially passes through the first connection hole 211 and the second connection hole 31 to fix the piston head 20 to the screw 30. It can be understood that, cup joint portion 21 and butt portion 22 structure as an organic whole, thereby improve the stability of structure and convenient processing, thereby this butt portion 22 seals in the casing along circumference butt shells inner wall, this cup joint portion 21 deviates from a terminal surface of butt portion 22 and has seted up the cup joint hole, screw rod 30's one end stretches into in the cup joint hole, set up first connecting hole 211 on cup joint portion 21, corresponding second connecting hole 31 has been seted up on screw rod 30, this mounting 40 can be the pin, thereby it further improves the fixing of cup joint portion 21 and screw rod 30 to utilize the pin to pass first connecting hole 211 and second connecting hole 31 in proper order, guarantee the pressurization in-process, piston head 20 and screw rod 30 can not break away from, this fixed mode installation operation is comparatively simple, and easy to dismantle, convenient follow-up maintenance. In addition, the first connecting hole 211 and the second connecting hole 31 may be screw holes, and the fixing member 40 may be a screw, so that the piston head 20 and the screw 30 may be fixed by screw engagement. Of course, in other embodiments, the fastening may be reinforced by means of rivets, which may be selected by those skilled in the art and will not be described herein.

Referring to fig. 4 to 6, in an embodiment of the present application, the housing includes a cylinder 11 and a fixing seat 12 connected to each other, the screw 30 is connected to the fixing seat 12 in a threaded manner, the piston head 20 abuts against an inner wall of the cylinder 11 along a circumferential direction, the cylinder 11 and the piston head 20 together enclose to form an accommodating cavity 112, one end of the cylinder 11, which is away from the fixing seat 12, is provided with the injection port 111, and the injection port 111 is communicated with the accommodating cavity 112. It should be noted that, be equipped with the connecting piece (not marked) in the fixing base 12, this connecting piece is equipped with the screw thread, screw rod 30 threaded connection is in the connecting piece, fixing base 12 external connection has pressure release handle 121, this pressure release handle 121 stretches into in the fixing base 12 and butt in the connecting piece, press pressure release handle 121 and can make the connecting piece take place to remove in fixing base 12, make screw rod 30 break away from with the threaded connection department of connecting piece, thereby can promote screw rod 30 to remove when holding chamber 112 has high pressure and carry out the pressure release work, until the pressure release is accomplished, when loosening pressure release handle 121, this connecting piece can resume the normal position, thereby screw rod 30 threaded connection is in.

Further, the cylinder 11 is detachably connected with the fixing seat 12. For convenient maintenance and maintenance, thereby set up barrel 11 and fixing base 12 to detachable connection, specifically can be for setting up the external screw thread at the outer wall that is close to fixing base 12 of barrel 11, set up the internal thread at the inner wall that fixing base 12 is close to barrel 11, through screw-thread fit, thereby realize fixing between them, the cooperation is stable again easily dismantles promptly, can also fix through the mode of bonding or joint in addition, specifically can select according to the technical personnel in the field, do not explain here again.

In an embodiment of the present application, the balloon pressurizing device 100 further includes a catheter 50 and a connector 60 connected with each other, the catheter 50 has a transmission channel, an end of the catheter 50 facing away from the connector 60 is connected to the injection port 111, and the connector 60 is used for communicating with an infusion set. Specifically, the conduit 50 may be a flexible conduit 50, so that the flexible conduit 50 may be suitable for different environments, and two ends of the conduit 50 may be respectively sleeved on the injection port 111 and the connector 60 through interference connection. Through the connector 60, the conduit 50 can be connected to the infusion device, so that liquid and gas can enter or exit the accommodating cavity 112 through the infusion channel, and operations such as pressurization and pressure relief of the infusion device are realized.

Further, with combined reference to fig. 7, the joint 60 includes:

a connector through 61, wherein the connector through 61 is connected to one end of the conduit 50 away from the injection port 111;

the sealing ring 62 is sleeved on the outer wall of one end of the joint through passage 61, which is far away from the conduit 50;

and the joint main body 63 is connected to the outer wall of one end, away from the guide pipe 50, of the joint through hole 61 in a buckling mode, and abuts against and presses the sealing ring 62.

Specifically, the joint straight passage 61 is provided with a first transmission hole 611 communicating with two opposite end faces, the conduit 50 can be sleeved at one end of the joint straight passage 61, and the first transmission hole 611 is communicated with the transmission channel of the conduit 50. The sealing ring 62 can be elastic sealing ring 62, such as rubber, the silica gel material, sealing ring 62 cover establishes the one end that the joint leads to 61 and deviates from pipe 50, connect main part 63 lock again and connect in connecting to connect to lead to 61, thereby butt suppression sealing ring 62, connect main part 63 and offer the second transmission hole 631 of the relative both ends face of intercommunication, thereby second transmission hole 631 is linked together with first transmission hole 611, and the junction is owing to sealing ring 62's setting between the two, thereby the leakproofness has been guaranteed, and then prevent taking out the negative pressure in-process, atmospheric pressure leaks or liquid leaks outward, and can still change different joint main part 63 according to the infusion equipment of difference.

Furthermore, the periphery of the outer wall of the joint straight-through 61 is convexly provided with a limiting protrusion 612, the inner wall of the joint main body 63 is provided with a corresponding limiting clamping groove 632, and the limiting protrusion 612 is clamped in the limiting clamping groove 632. It should be noted that the material of the joint through 61 and the joint main body 63 can be plastic parts, and has a certain deformation capability, so that a circle of limiting protrusion 612 is convexly arranged on the outer wall of the joint through 61 in an annular manner, and the joint main body 63 is provided with a corresponding limiting clamping groove 632, so that the limiting protrusion 612 can be clamped in the limiting clamping groove 632, and the installation mode can not only enable the joint through 61 and the joint main body to be tightly matched, but also be conveniently and quickly installed.

In an embodiment of the present application, referring to fig. 1 to 6, balloon pressurization device 100 further includes pressure display 70, barrel 11 outer surface protruding is equipped with connecting portion 113, connecting portion 113 deviates from the surface of barrel 11 is concave to be provided with mounting groove 1131, the intercommunication has been seted up to the diapire of mounting groove 1131 the through-hole 1132 of holding chamber 112, pressure display 70 inlays to be located in the mounting groove 1131 and pass through-hole 1132, in order to detect the pressure of holding chamber 112. Specifically, this pressure display 70 can be the manometer, through embedding the manometer in locating mounting groove 1131 to stretch into the holding chamber 112 through-hole 1132 and detect the pressure in the holding chamber 112, thereby make things convenient for medical personnel when using, the pressure numerical value of manometer can be visualized, adjusts according to clinical actual conditions.

Further, referring to fig. 6 and 7, an overflow groove 1133 surrounding the through hole 1132 is concavely formed on the bottom wall of the mounting groove 1131, and the overflow groove 1133 is used for carrying excessive fixing glue. It should be noted that the pressure display member 70 can be fixed in the mounting groove 1131 by using glue, and when the glue is too much, the glue will flow to the through hole 1132, and by providing the glue overflow groove 1133 at the periphery of the through hole 1132, the glue can be carried too much, so as to prevent the glue from flowing into the through hole 1132.

In an embodiment of the present application, referring to fig. 1, the balloon pressurization device 100 further includes a rotation handle 80, and the rotation handle 80 is connected to an end of the screw 30 extending out of the housing. Wherein, the rotating handle is fixed on one end of the screw rod 30 extending out of the shell, the rotating handle 80 is shaped like a T, the rotating handle 80 is held by hand, and the screw rod 30 can be rotated by rotating the rotating handle 80, so as to drive the piston head 20 to reciprocate. The rotation knob 80 is provided to facilitate the user's grasping of the screw 30 when operating the balloon compression device 100.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A balloon compression device, comprising:

2. The balloon pressurization device according to claim 1, wherein the piston head includes a sleeve portion and an abutting portion connected to each other, the abutting portion abuts against an inner wall of the housing along a circumferential direction, the sleeve portion is sleeved on the screw rod, the sleeve portion is provided with a first connection hole, the screw rod is provided with a second connection hole corresponding to the first connection hole, and the fixing member sequentially passes through the first connection hole and the second connection hole to fix the piston head to the screw rod.

3. The balloon pressurization device according to claim 1, wherein the housing includes a cylinder and a fixed seat connected to each other, the screw is screwed to the fixed seat, the piston head abuts against an inner wall of the cylinder in a circumferential direction, the cylinder and the piston head jointly enclose a housing chamber, one end of the cylinder facing away from the fixed seat is provided with the injection port, and the injection port is communicated with the housing chamber.

4. The balloon compression device of claim 3, wherein the barrel is removably coupled to the holder.

5. The balloon compression device of claim 1, further comprising a catheter and a connector connected together, the catheter having a delivery channel, an end of the catheter facing away from the connector being connected to the injection port, the connector being adapted to communicate with an infusion set.

6. The balloon pressurization device according to claim 5, wherein said joint comprises:

7. The balloon pressurization device according to claim 6, wherein a limiting protrusion is protruded from the periphery of the outer wall of the joint through hole, a corresponding limiting slot is formed in the inner wall of the joint main body, and the limiting protrusion is clamped in the limiting slot.

8. The balloon pressurization device according to claim 3, further comprising a pressure display member, wherein a connection portion is convexly disposed on an outer surface of the cylinder, a mounting groove is concavely disposed on a surface of the cylinder away from the connection portion, a through hole communicated with the accommodating cavity is disposed on a bottom wall of the mounting groove, and the pressure display member is embedded in the mounting groove and penetrates through the through hole to detect the pressure of the accommodating cavity.

9. The balloon pressurizing device according to claim 8, wherein the bottom wall of the mounting groove is concavely provided with an adhesive overflow groove surrounding the through hole, and the adhesive overflow groove is used for bearing excessive fixing adhesive.

10. The balloon compression device of any one of claims 1-9, further comprising a rotation knob coupled to an end of the threaded rod that extends out of the housing.