CN113017793A - Balloon puncture sleeve with indicating device and balloon puncture outfit - Google Patents

Abstract

The invention discloses a balloon puncture cannula (10) with an indicating device, which comprises a cylindrical hard cannula body (11), wherein an air valve (12) is arranged at one end of the upper part of the cannula body (11), a first balloon (13) is arranged at one end of the lower part of the cannula body, the air valve (12) is communicated with the first balloon (13) through a vent pipe (14), and the indicating device for indicating the expansion state of the first balloon (13) is communicated near the air valve (12). The invention also discloses a balloon puncture outfit with the balloon puncture cannula with the indicating device. According to the invention, the indicating device for indicating the state of the balloon is arranged at the upper part of the puncture cannula, so that the defect that the sight line is blocked can be overcome by an operation operator in an operation site, and the condition of the balloon in an operated object body can be conveniently known.

Description

Balloon puncture sleeve with indicating device and balloon puncture outfit

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a balloon puncture cannula with an indicating device and a balloon puncture outfit.

Background

A puncture instrument often used in minimally invasive surgery generally includes a puncture cannula as a passage for minimally invasive intervention, through which a minimally invasive surgical instrument is inserted into the body of a subject to be operated. In the use process of the existing puncture outfit, the fixing of the puncture cannula is always a difficult problem. The condition that the puncture cannula moves up and down inside and outside the skin in the operation process can be caused due to poor fixation of the puncture cannula, and even the puncture cannula can be pulled out from the skin, so that the operation process is seriously influenced.

In order to solve the problems in the prior art, various solutions have been proposed, and a balloon puncture outfit is successfully provided, wherein the balloon appears in the skin after the puncture cannula penetrates into the skin during the operation, and the expanded balloon can prevent the puncture cannula from being pulled out of the skin, for example, the balloon puncture outfit disclosed in chinese patent CN 205649532U. However, the existing balloon puncture outfits have the following problems: 1. when the balloon puncture outfit is used, as the balloon is positioned in a patient body, the visual line of an operation operator is shielded, and the state of the balloon cannot be judged well, such as insufficient inflation of the balloon, excessive inflation of the balloon, damage of the balloon in the operation process and the like; 2. the balloon puncture outfit also has the problem of slow deflation. After the operation is finished, the gas in the saccule needs to be discharged when the puncture cannula is taken out, but the existing saccule puncture outfit is slow in balloon deflation, and the operation time is influenced.

The present invention has been made in view of the above circumstances.

Disclosure of Invention

In order to solve the above problems in the prior art, one of the objectives of the present invention is to provide a balloon puncture cannula with an indication device, which can allow an operator to accurately determine the inflation state of a balloon in a body of an operated object during an operation by the state of the indication device, thereby ensuring that the operation process is smooth; in addition, the balloon can be deflated quickly by adopting a mode of damaging the indicating device, so that the operation time is shortened, and the operation efficiency is improved.

The technical scheme of the invention is as follows: the utility model provides a take indicating device's sacculus puncture sleeve pipe, includes the cavity tube-shape stereoplasm sleeve pipe body, sleeve pipe body upper portion one end is provided with the pneumatic valve, and lower part one end is provided with first sacculus, communicate through the breather pipe between pneumatic valve and the first sacculus, near pneumatic valve intercommunication have the indicating device who instructs first sacculus state.

Optionally, the air valve is communicated with the air pipe on the sleeve body through a hose.

Further, the indicating device is a second balloon with inflation and expansion functions.

Preferably, the second balloon is the same material, size, and thickness as the first balloon.

Furthermore, the upper part of the sleeve body is connected with a vent hole for accessing an air valve; the lower part of the periphery of the sleeve body is provided with a first groove for accommodating a first balloon; a second groove is formed in the upper part of the periphery of the sleeve body, close to the vent hole, and used for accommodating a second balloon; the periphery of the sleeve body is provided with a vent groove from top to bottom for accommodating a vent pipe; the vent pipe is connected between the vent hole and the first groove.

Furthermore, the first balloon is made of elastic materials and comprises a balloon main body, an upper sealing part and a lower sealing part, and the upper sealing part and the lower sealing part are respectively clung to the outer surface of the first groove of the sleeve body to form a sealing environment; the balloon main body has the function of inflation and expansion.

Optionally, the second balloon is in communication with the gas valve and the vent tube, respectively, via hoses.

One of the purposes of the invention is to provide a balloon puncture outfit, which comprises a blocking rod, an outer cover and a balloon puncture sleeve with an indicating device, wherein the outer cover and the puncture sleeve are fixed together through threaded connection, an elongated rod body of the blocking rod can pass through the outer cover and a channel inside the puncture sleeve, and the puncture sleeve is the balloon puncture sleeve with the indicating device.

The invention has the advantages that: 1. the indicating device for indicating the state of the balloon is arranged at the upper part of the puncture sleeve, so that the defect that the sight line is blocked can be overcome by an operation operator on an operation site, and the condition of the balloon in an operated object body can be conveniently known. 2. The balloon state in the body of the operated object can be intuitively understood at low cost by arranging the indicating balloon with the same shape and size specification as the balloon in the body outside the operated object.

Drawings

FIG. 1 is a schematic structural view of one embodiment of a balloon puncture cannula with an indicator device of the present invention.

Fig. 2 is an exploded view of the balloon puncture cannula of fig. 1.

FIG. 3 is a schematic structural view of another embodiment of the balloon puncture cannula with an indicator device of the invention.

FIG. 4 is a schematic structural view of another embodiment of the balloon puncture cannula with an indicator device of the invention.

FIG. 5 is a schematic structural view of one embodiment of the balloon puncture outfit with an indicating device according to the present invention.

Wherein, 10-puncture cannula, 11-cannula body, 111-first groove, 112-second groove, 12-air valve, 13-first sacculus, 131-sacculus main body, 132-upper sealing part, 133-lower sealing part, 14-air pipe, 141-air hole, 15-second sacculus, 151-sacculus main body, 152-upper sealing part, 153-lower sealing part, 16-air hole, 17-air groove, 20-blocking rod, 21-slender rod body, 30-outer cover and 40-fixing ring.

Detailed Description

Exemplary embodiments of the present invention are described below with reference to fig. 1-5, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same elements/components/features are denoted by the same reference numerals.

As shown in fig. 1, aballoon puncture cannula 10 with an indicator according to the present invention includes atubular cannula body 11 made of a hard material, anair valve 12 is provided at one end of the upper portion of thecannula body 11, afirst balloon 13 is provided at one end of the lower portion thereof, theair valve 12 and thefirst balloon 13 are communicated through avent tube 14, and an indicator for indicating the state of thefirst balloon 13 is communicated in the vicinity of theair valve 12.

In the present invention, the state of thefirst balloon 13 mainly refers to the pressure inside the balloon or its external shape or the degree of inflation. The indicating device can indicate the inflation state of thefirst balloon 13 in time, so that the operation personnel can know the balloon state in the body of the operated object in time, and accordingly perform corresponding operations, such as inflating thefirst balloon 13 through theair valve 12 and theair pipe 14 or maintaining the current state or reducing the air pressure in thefirst balloon 13.

As shown in fig. 1-3, the position relationship between theair valve 12 and thesleeve body 11 can be in various forms, theair valve 12 can be fixed on the periphery of thesleeve body 11, and then theair valve 12 is communicated with thevent pipe 14 inside thesleeve body 11; theair valve 12 can also be movably arranged at the periphery of thesleeve body 11 and then is communicated with theair pipe 14 through a hose; even this hose andvent tube 14 may be manufactured in one piece so that theair valve 12 communicates with thefirst balloon 13 through thevent tube 14 in the form of a hose.

In the present invention, the indicating device may be a pressure indicating device, a shape indicating device, or a combined pressure and shape indicating device. The pressure indicating device can be a barometer, the pressure in thefirst balloon 13 can be determined by the barometer, and an under-pressure area, a safe pressure area and an over-pressure area can be arranged on the barometer, so that an operation operator can distinguish whether the pressure of the current balloon is in a stage needing to be adjusted or not. The shape indicating device may be a balloon of the same material as thefirst balloon 13, with inflation functionality, which is referred to as thesecond balloon 15 in the present invention. The integrated pressure and shape indicating device is a device with both pressure indication and shape indication, for example, a barometer and asecond balloon 15 can be connected to the air passage behind theair valve 12 at the same time, so that the operator can know the pressure inside thefirst balloon 13 and the shape of thefirst balloon 13.

The shape and size ofsecond balloon 15 may be different from those offirst balloon 13, but in order to visually display the state offirst balloon 13 during the operation, it is preferable that the material, size and thickness ofsecond balloon 15 andfirst balloon 10 are the same, so that the operator can quickly know the shape offirst balloon 13 as long as he sees the shape ofsecond balloon 15.

As shown in FIG. 2, in one embodiment of the present invention, avent hole 16 is connected to the upper part of thecasing 11 for accessing thegas valve 12; the lower part of the outer periphery of thesleeve body 11 is provided with afirst groove 111 for accommodating afirst balloon 13; asecond groove 112 is arranged at the upper part of the periphery of thesleeve body 11 close to thevent hole 16 and used for accommodating asecond balloon 15; the periphery of thesleeve body 11 is provided with avent groove 17 from top to bottom for accommodating thevent pipe 14; thevent tube 14 is connected between thevent hole 16 and thefirst groove 111. Thevent tube 14 is provided with anair hole 141 communicating with thesecond balloon 15.

Thefirst balloon 13 is made of an elastic material and comprises aballoon body 131, anupper sealing part 132 and alower sealing part 133, wherein theupper sealing part 132 and thelower sealing part 133 are respectively attached to the outer surface of thefirst groove 111 of thesleeve body 11 by adhesion or welding to form a sealed environment; theballoon body 131 has an inflation function.

The structure of thesecond balloon 15 is the same as that of thefirst balloon 13, and is also made of an elastic material, and the second balloon comprises a balloonmain body 151, anupper sealing part 152 and alower sealing part 153, wherein theupper sealing part 152 and thelower sealing part 153 are respectively attached to the outer surface of thesecond groove 112 of thesleeve body 11 by adhesion or welding to form a sealed environment; theballoon body 151 has an inflation function.

The position relation between thesecond balloon 15 and thesleeve body 11 can be various forms, thesecond balloon 15 can be fixed on the periphery of thesleeve body 11, and then thesecond balloon 15 is communicated with thevent pipe 14 in thesleeve body 11; thesecond balloon 15 can also be movably arranged at the periphery of thesleeve body 11 and then is communicated with thevent pipe 14 through a hose; even this one hose andvent tube 14 may be manufactured in one piece so that thesecond balloon 15 communicates with thefirst balloon 13 via thevent tube 14 in the form of a hose. In addition,second balloon 15 may be in communication withair valve 12 andvent tube 14, respectively, via flexible tubing, as shown in FIG. 4.

In the present invention, thegas valve 12 may be a check valve or a common plug valve.

As shown in fig. 5, the balloon puncture outfit of the invention comprises ablocking rod 20, acover 30 and a balloon puncture cannula with an indicating device, wherein thecover 30 and the puncture cannula are fixed together through screw thread connection, anelongated rod body 21 of theblocking rod 20 can pass through thecover 30 and a passage inside the puncture cannula, and the puncture cannula is the balloon puncture cannula with an indicatingdevice 10.

In addition, in order to stably fix the puncture cannula to the skin of the subject, afixing ring 40 is provided on thecannula body 11 of thepuncture cannula 10 of the balloon puncture device.

Before the inflation, thesecond balloon 15 and thefirst balloon 13 are both in a contraction state and are tightly attached to thesleeve body 11, and the outer diameter of the second balloon does not exceed the maximum outer diameter of thesleeve body 11. During operation, after thepuncture cannula 10 is inserted into the skin of the operated object until thefirst balloon 13 completely enters the skin, each balloon is inflated through theair valve 12, at the moment, thesecond balloon 15 and thefirst balloon 13 are inflated and expanded, and an operator can accurately know the state of thefirst balloon 13 through the state of thesecond balloon 15. The position of the movablemember fixing ring 40 is such that the skin of the subject is clamped between thefixing ring 40 and thefirst balloon 13, and thepuncture cannula 10 is fixed to the skin of the subject. After the operation is finished, thesecond balloon 15 is punctured by using a sharp instrument, so that the purpose of quickly deflating thefirst balloon 13 is achieved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a take indicating device's sacculus puncture sleeve pipe (10), includes tube-shape stereoplasm sleeve pipe body (11), sleeve pipe body (11) upper portion one end is provided with pneumatic valve (12), and lower part one end is provided with first sacculus (13), communicate its characterized in that through breather pipe (14) between pneumatic valve (12) and first sacculus (13): an indicating device for indicating the expansion state of the first balloon (13) is communicated near the air valve (12).

2. The balloon puncture cannula with indicator (10) of claim 1, wherein: the air valve (12) is communicated with an air pipe (14) on the sleeve body (11) through a hose.

3. The balloon puncture cannula with indicator (10) of claim 1, wherein: the indicating device is a pressure indicating device or a shape indicating device or a combination of the two.

4. A balloon puncture cannula (10) with an indication device according to claim 3, characterized in that: the pressure indicating device is a barometer, and an insufficient pressure area, a safe pressure area and an over-pressure area are arranged on the barometer.

5. The balloon puncture cannula with indicator (10) of claim 1, wherein: the indicating device is a second balloon (15) with inflation and expansion functions.

6. The balloon puncture cannula with indication device (10) according to claim 5, wherein: the second balloon (15) and the first balloon (13) are made of the same material, size and thickness.

7. The balloon puncture cannula with indication device (10) according to claim 5, wherein: the upper part of the sleeve body (11) is connected with a vent hole (16) for accessing an air valve (12); the lower part of the periphery of the sleeve body (11) is provided with a first groove (111) for accommodating a first balloon (13); a second groove (112) is formed in the upper part of the periphery of the sleeve body (11) close to the vent hole (16) and used for accommodating a second balloon (15); the periphery of the sleeve body (11) is provided with a vent groove (17) from top to bottom for accommodating a vent pipe (14); the vent pipe (14) is connected between the vent hole (16) and the first groove (111).

8. The balloon puncture cannula with indicator (10) according to any of claims 1-7, wherein: the first balloon (13) is made of elastic materials and comprises a balloon main body (131), an upper sealing part (132) and a lower sealing part (133), and the upper sealing part (132) and the lower sealing part (133) are respectively clung to the outer surface of the first groove (111) of the sleeve body (11) to form a sealed environment; the balloon body (131) has an inflation function.

9. The balloon puncture cannula with indication device (10) according to claim 5, wherein: the second balloon (15) is respectively communicated with the air valve (12) and the vent pipe (14) through hoses.

10. A sacculus puncture ware, includes blocking pole (20), dustcoat (30) and puncture sleeve pipe fixed connection, and the inside passageway of dustcoat (30) and puncture sleeve pipe can be passed to the elongate rod body (21) of blocking pole (20), its characterized in that: the puncture cannula is a balloon puncture cannula (10) with an indication device according to any one of claims 1-9.

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