CN216570052U

CN216570052U - Extraperitoneal balloon dilator

Info

Publication number: CN216570052U
Application number: CN202122678859.6U
Authority: CN
Inventors: 孙新星; 应飞飞
Original assignee: First Affiliated Hospital of Zhejiang University School of Medicine
Current assignee: First Affiliated Hospital of Zhejiang University School of Medicine
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-05-24
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses an extraperitoneal balloon dilator which comprises an inner tube, an outer tube and a balloon, wherein the inner wall of the outer tube is provided with threads, the outer tube is sleeved outside the inner tube, the inner tube penetrates through the outer tube, the bottom of the inner tube is provided with the balloon, the position, close to the balloon, of the outer wall of the inner tube is fixedly provided with a threaded tube, the threaded tube is in threaded connection with the outer tube, the length of the balloon extending out of the outer tube is changed by changing the relative height of the inner tube and the outer tube, the size of the expanded balloon is changed, the use scene range of the extraperitoneal balloon dilator is expanded, the practicability is higher, and an air inlet, an air outlet and a one-way valve are integrated on a valve head and are rotationally connected with the inner tube, so that the operation is more convenient.

Description

Extraperitoneal balloon dilator

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an extraperitoneal balloon dilator.

Background

The laparoscope is similar to an electronic gastroscope and is an instrument with a miniature camera, the laparoscopic surgery is a surgery performed by utilizing the laparoscope and related instruments, a cold light source is used for providing illumination, a laparoscopic lens is inserted into an abdominal cavity, an image shot by the laparoscopic lens is conducted to a rear-stage signal processing system through an optical fiber by using a digital camera shooting technology and is displayed on a special monitor in real time, then a doctor analyzes and judges the state of an illness of a patient through images of different angles of organs of the patient displayed on a monitor screen, and a special laparoscopic instrument is used for performing the surgery.

Urinary surgery laparoscopic surgery is mostly through the posterior peritoneum, and the posterior peritoneum space is narrow and small, is unfavorable for the operation, needs artifical expansion to establish the space usually, and current expanding unit all binds the preparation temporarily with drainage tube and gloves, and the simple structure and the gloves drop into the posterior peritoneum easily relatively, have the potential safety hazard, consequently need propose the improvement.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the extraperitoneal balloon dilator provided by the utility model is reasonable in structure, the size of the dilating balloon can be adjusted, and the extraperitoneal balloon dilator is higher in practicability.

The technical scheme of the utility model is as follows:

the utility model provides an extraperitoneal balloon expander, includes inner tube, outer tube and sacculus, the outer tube inner wall is provided with the screw thread, the outer tube is located to the outer pipe box outside, the inner tube passes the outer tube, and the sacculus has been located to the bottom, the fixed position that the inner tube outer wall is close to the sacculus is provided with the screwed pipe, screwed pipe and outer tube threaded connection.

Preferably, the end of the outer tube is provided with a flexible sealing ring.

Preferably, the balloon and the inner tube are fixedly and hermetically connected.

Preferably, the peritoneum outer gasbag expander still includes the valve head, the valve head is sealed and is rotated with the inner tube top and be connected, the valve head integration has air inlet, check valve and gas vent, the air inlet is used for aerifing to the inner tube, the check valve is located the air inlet below, the gas vent is located and is used for controlling gaseous the emission on the lateral wall of check valve below valve head.

Preferably, a rotating member is fixedly arranged at a position of the inner tube close to the valve head, and the rotating member is used for driving the inner tube to rotate relative to the outer tube and the valve head.

Preferably, the outer diameter of the rotating member is larger than the inner diameter of the outer tube.

Preferably, a three-way valve is arranged at the exhaust port.

Preferably, the balloon is made of silica gel.

The utility model has the beneficial effects that:

the peritoneal outer balloon dilator provided by the utility model changes the length of the balloon extending out of the outer tube by changing the relative height of the inner tube and the outer tube, so that the size of the expanded balloon is changed, the application range of the peritoneal outer balloon dilator is expanded, the practicability is stronger, and the air inlet, the air outlet and the one-way valve are integrated on the valve head and are rotationally connected with the inner tube, so that the operation is more convenient.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of an extraperitoneal balloon dilator according to an embodiment of the present invention.

In the attached figure, 1-an inner tube, 2-an outer tube, 3-a balloon, 4-a threaded tube, 5-a sealing ring, 6-a valve head, 61-an air inlet, 62-a one-way valve, 63-an air outlet, 64-a three-way valve and 7-a rotating piece.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used.

In this application, the terms "upper", "lower", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "disposed," "provided," "connected," "secured," and the like are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The embodiment provides an extraperitoneal balloon expander, as shown in fig. 1, including inner tube 1, outer tube 2 and

sacculus

3, 2 inner walls of outer tube are provided with the screw thread, 2 covers of outer tube are located outside inner tube 1, inner tube 1 passes outer tube 2, sacculus 3 has been located to the bottom, the fixed position that the outer wall of inner tube 1 is close to sacculus 3 is provided with screwed pipe 4, screwed

pipe

4 and 2 threaded connection of outer tube, through rotatory inner tube 1, can drive screwed pipe 4 rotatory for outer tube 2, change the height of inner tube 1 for outer tube 2, just also changed sacculus 3 and stretched into the length of outer tube 2, can be in order to change the size after sacculus 3 is full of, in order to be applicable to more use scenes, the reinforcing practicality.

In the embodiment, the tail end of the outer tube 2 is provided with the flexible sealing ring 5, and by arranging the sealing ring 5, the outer edge of the balloon 3 is abutted against the sealing ring 5 under the condition that the balloon 3 is full, so that body fluid is prevented from entering the outer tube 2 as much as possible; the balloon 3 and the inner tube 1 are fixedly and hermetically connected to ensure the air tightness of the connection and prevent air leakage; the balloon 3 is preferably made of silicone rubber having excellent elasticity.

In this embodiment, the extraperitoneal balloon dilator further comprises a valve head 6, the valve head 6 is connected with the top of the inner tube 1 in a sealing and rotating manner, the valve head 6 is integrated with an air inlet 61, a one-way valve 62 and an air outlet 63, the air inlet 61 is used for inflating the inner tube 1, the one-way valve 62 is arranged below the air inlet 61, the air outlet 63 is arranged below the one-way valve 62 and on the side wall of the valve head 6 for controlling air to be discharged, when the inner tube 1 is rotated, the valve head 6 does not need to be rotated, and the air inlet 61, the one-way valve 62 and the air outlet 63 which are arranged on the valve head 6 cannot be rotated, so that the phenomenon of winding of a pipeline cannot be caused, the one-way valve 62 is arranged to enable only air to be introduced into the air inlet 61 and not to be discharged, air leakage is prevented, and the air outlet 63 is arranged to enable air to be discharged and withdrawn quickly after the operation is finished; the inner tube 1 is close to the fixed swivel member 7 that is provided with in position of valve head 6, and swivel member 7 is used for driving inner tube 1 rotatory for outer tube 2 and valve head 6, and the external diameter of swivel member 7 is greater than the internal diameter of outer tube 2, through setting up such swivel member 7, can put on swivel member 7 by the handle during rotatory inner tube 1, the application of force of being convenient for.

The working principle of the embodiment is as follows:

complete sacculus 3 just exposes outer tube 2 under the initial condition, rotate swivel part 7 as required earlier before the use, swivel part 7 drives inner tube 1 and rotates and rises, and then drive partial sacculus 3 and withdraw in outer tube 2, make the length that sacculus 3 exposes reduce, after suitable length, extend the sacculus 3 end of peritoneum outer balloon expander to need the expansion position, then utilize syringe gas injection to get into inner tube 1 and sacculus 3 from air inlet 61, sacculus 3 expands gradually to being full, produce operating space, the back is finished in the operation, through gas vent 63 exhaust, sacculus 3 contracts flatly, it can to take out peritoneum outer balloon expander.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. An extraperitoneal balloon dilator, comprising: the outer tube is provided with threads, the outer tube is sleeved outside the inner tube, the inner tube penetrates through the outer tube, the balloon is arranged at the bottom of the inner tube, a screwed tube is fixedly arranged on the position, close to the balloon, of the outer wall of the inner tube, and the screwed tube is in threaded connection with the outer tube.

2. The extraperitoneal balloon expander of claim 1, wherein: and the tail end of the outer pipe is provided with a flexible sealing ring.

3. The extraperitoneal balloon expander of claim 2, wherein: the sacculus and the inner tube are fixedly and hermetically connected.

4. The extraperitoneal balloon expander of claim 1, wherein: the peritoneum outer gasbag expander still includes the valve head, the valve head is sealed and rotate with the inner tube top and is connected, the valve head integration has air inlet, check valve and gas vent, the air inlet is used for aerifing to the inner tube, the air inlet below is located to the check valve, the gas vent is located and is used for controlling gas discharge on the lateral wall of check valve below valve head.

5. The extraperitoneal balloon expander of claim 4, wherein: the inner pipe is fixedly provided with a rotating piece at a position close to the valve head, and the rotating piece is used for driving the inner pipe to rotate relative to the outer pipe and the valve head.

6. The extraperitoneal balloon expander of claim 5, wherein: the outer diameter of the rotating member is larger than the inner diameter of the outer tube.

7. The extraperitoneal balloon expander of claim 6, wherein: and a three-way valve is arranged at the air outlet.

8. The extraperitoneal balloon expander of claim 1, wherein: the sacculus is the silica gel material.