CN216908062U - Puncture cannula ware that two-way can be fixed - Google Patents

Abstract

The utility model discloses a bidirectional fixable puncture cannula device which comprises an air inlet, a valve, an instrument opening, an air leakage prevention valve, an air bag tube, an air bag valve, a pressing handle, a spring, a connecting rod, a sliding body, a connecting rod fixing tooth, an air bag tube, an air bag hole, an air bag and a main cannula tube, wherein the air bag tube is arranged in the air bag hole; this two-way puncture cannula ware that can fix, can be in the operation, through gasbag and the sliding body on this apparatus, with part between gasbag and the sliding body of this apparatus main sleeve pipe, firmly fix between patient's peritoneum and skin, during operation person's operation, both can prevent when using surgical instruments, main sleeve pipe is downthehole at patient puncture skin and slides, it is too much to prevent again that puncture main sleeve pipe from getting into patient's abdominal cavity, and influence operation person's operation, the peritoneum is hugged closely at patient's abdominal cavity to the gasbag simultaneously, can prevent gas leakage again. Through clinical use, the instrument is convenient to use and safe to operate.

Description

Puncture cannula ware that two-way can be fixed

Technical Field

The utility model relates to the technical field of laparoscope application, in particular to a bidirectional fixable puncture cannula device.

Background

The development of modern medicine, minimally invasive surgery has been the development direction of surgical operation, minimally invasive surgery has the advantages of small wound, quick recovery and less pain, and is the object and direction commonly pursued by modern medicine. In the process of laparoscopic surgery, when a conventional puncture cannula device is used, the following situations are often encountered, when a surgeon places a puncture cannula, when the skin incision hole where the puncture cannula is placed is too large, or when the surgery time is too long, the surgeon repeatedly pulls out and places surgical instruments through the puncture cannula, so that an overlarge gap is generated between the placed puncture cannula and the incision hole formed by puncture skin, the puncture cannula can automatically and excessively slide into the abdominal cavity through the puncture skin hole, and the situation often occurs because the tube wall of the puncture cannula entering the abdominal cavity of a patient is too much and too deep, when the laparoscopic surgical instruments pass through the puncture cannula device, the used laparoscopic scissors or laparoscopic forceps can not protrude to the tube wall of the puncture cannula, the tube wall of the puncture cannula can not be closed and opened, and the surgical instruments can not be operated to perform the surgery, thereby affecting the minimally invasive operation of the operating physician; at present, clinically, a special two-way fixable puncture cannula device is not available, and a surgical cannula device capable of controlling the depth of entering an abdominal cavity is available, and a surgeon generally sews at an overlarge puncture hole to reduce the diameter of the puncture hole, increase friction force between the puncture hole and the puncture cannula, prevent the puncture cannula from sliding, fix the puncture cannula device by using a suture, or clamp skin around the puncture hole by using a tissue clamp to reduce the size of the puncture hole and increase the friction force between the puncture hole and the puncture cannula, but the effect is not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bidirectional fixable puncture cannula device which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a bidirectional fixable puncture cannula device comprises an air inlet, a valve, an instrument opening, an air leakage prevention valve, an air bag tube, an air bag valve, a pressing handle, a spring, a connecting rod, a sliding body, a connecting rod fixing tooth, an air bag tube, an air bag hole, an air bag and a main cannula tube; the method is characterized in that: the air inlet is connected with the main sleeve barrel through a valve; the instrument opening is connected with the main sleeve barrel through an air leakage prevention valve; the air bag valve is connected with the air bag through an air bag pipe, an air bag barrel and an air bag hole; the pressing handle is connected with the connecting rod; one end of the spring is connected with the pressing handle, and the other end of the spring is fixedly connected with the sliding body; and the wall of the main sleeve is provided with connecting rod fixing teeth.

Further, the air inlet can be communicated with a general air inlet pipeline of an operating room.

Further, the valve can control the communication between the air inlet and the main sleeve barrel.

Furthermore, the instrument opening is a main passing opening of surgical instruments, and a rubber one-way air leakage preventing valve is arranged behind the instrument opening.

Furthermore, the air bag valve is a universal valve which can be connected with a medical injector port and used for injecting gas.

Further, the soft rubber air bag tube is communicated with the inflatable and expandable rubber air bag through the closed air bag cylinder and the air bag hole.

Furthermore, the spring is an elastic structure with inward tension, one end of the spring is fixedly connected with the pressing handle, and the other end of the spring is fixedly connected with the sliding body.

Furthermore, one end of the connecting rod is connected with the pressing handle, and the other end of the connecting rod is of a connecting rod inclined surface structure and is fixedly connected with the connecting rod fixing teeth on the main sleeve barrel.

Compared with the prior art, the puncture cannula device capable of being fixed in two directions can effectively solve the problem that the depth and the distance of the puncture cannula entering the abdominal cavity of a patient are controlled in two directions during laparoscopic abdominal operations, the influence on various endoscopic surgical instruments used by a surgeon due to the fact that the puncture cannula tube diameter enters the abdominal cavity excessively is reduced, the peritoneum and the abdominal wall skin are extruded through the air bag and the sliding body on the device, and the abdominal wall aperture through which the puncture cannula passes can be compressed while the cannula is fixed. The celioscope operation is that after a puncture cannula is arranged on the abdominal wall of a patient, an abdominal wall channel is established to carry out operation on pathological tissue organs in the abdominal cavity of the patient, the surgical instrument is the puncture cannula which is protected on the abdominal wall of the patient, a minimally invasive surgical instrument is operated on the abdominal wall of the patient through the tube diameter of the cannula, the head end of the instrument enters the abdominal cavity of the patient and is inflated into an air bag, the air bag expands in the abdominal cavity of the patient and pulls the puncture cannula outwards, the inflated air bag at the head end of the cannula is clamped at the peritoneal of the patient, a sliding body on the cannula is moved downwards and is fixed with a connecting rod fixing tooth through a triangular one-way moving inclined plane at the head end of the connecting rod, the puncture cannula is firmly fixed between the skin of the abdominal wall of the patient and the peritoneal peritoneum of the patient, the head end part of the fixed puncture cannula is at a little distance in the abdominal cavity of the patient, and is greatly beneficial to any surgical instrument used by a surgical operator, the puncture cannula surgical instrument solves the problems that the existing puncture cannula instrument cannot be fixed and should slide, the closed end of the operation of the surgical instrument is influenced, and the puncture cannula surgical instrument is convenient, flexible and safe to adjust through clinical practice.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

in the reference symbols: the air bag type air bag comprises an air inlet 1, a valve 2, an instrument opening 3, an air leakage prevention valve 4, an air bag pipe 5, an air bag valve 6, a pressing handle 7, a spring 8, a connecting rod 9, a sliding body 10, a connecting rod fixing tooth 11, an air bag barrel 12, an air bag hole 13, an air bag 14 and a main sleeve barrel 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Referring to fig. 1, the present invention provides a technical solution: a bidirectional fixable puncture cannula device comprises an air inlet 1, a valve 2, an instrument opening 3, an air leakage prevention valve 4, an air bag tube 5, an air bag valve 6, a pressing handle 7, a spring 8, a connecting rod 9, a sliding body 10, a connecting rod fixing tooth 11, an air bag barrel 12, an air bag hole 13, an air bag 14 and a main cannula barrel 15; the method is characterized in that: the air inlet 1 is connected with a main sleeve pipe 15 through a valve 2; the instrument opening 3 is connected with a main sleeve barrel 15 through an air leakage prevention valve 4; the air bag valve 6 is connected with an air bag 14 through an air bag pipe 5, an air bag barrel 12 and an air bag hole 13; the pressing handle 7 is connected with the connecting rod 9; one end of the spring 8 is connected with the pressing handle 7, and the other end is connected with the sliding body 10; the wall of the main sleeve tube 15 is provided with a connecting rod fixing tooth 11.

Further, the air inlet 1 can be communicated with a general air inlet pipeline of an operating room.

Further, the valve 2 can control the communication between the air inlet 1 and the main sleeve 15.

Further, the instrument opening 3 is a main passing opening of surgical instruments, and a rubber one-way air leakage prevention valve 4 is arranged behind the instrument opening 3.

Further, the air bag valve 6 is a general valve which can be connected with a medical injector port and used for injecting gas.

Further, the soft rubber airbag tube 5 is communicated with an inflatable rubber airbag 14 through a sealed airbag tube 12 and an airbag hole 13.

Furthermore, the spring 8 is an elastic structure with inward pulling force, one end of the spring is fixedly connected with the pressing handle 7, and the other end of the spring is fixedly connected with the sliding body 10.

Furthermore, one end of the connecting rod 9 is connected with the pressing handle 7, and the other end of the connecting rod 9 is in a connecting rod inclined surface structure and is fixedly connected with the connecting rod fixing teeth 11 on the main sleeve pipe 15.

The specific connecting structure of the instrument of the utility model is as follows: the air inlet 1 can be communicated with air inlet pipeline equipment commonly used in an operating room; the rear part of the air inlet 1 is controlled by a movable valve 2 to be communicated with a main sleeve pipe 15; the connection of the valve 2 is controlled by a middle ventable hole (the structure is similar to the discharge port of a urine storage bag of a urine guide bag, which is a general use method of medical instruments, but the technical difficulty and the key point of the patent are not included in the detailed description in the patent application), the instrument port 3 is a main channel port of a puncture sleeve barrel 15 for laparoscopic minimally invasive surgical instruments, a rubber-made air leakage prevention valve 4 is arranged behind the instrument port 3 for controlling, after the laparoscopic minimally invasive surgical instruments are placed into the instrument port 3 of the puncture sleeve barrel, the soft and multi-petal-structure air leakage prevention valve 4 made of rubber can be tightly attached to the instrument, and the gas in the abdominal cavity is prevented from overflowing through the instrument port 3 (the structure of the air leakage prevention valve 4 is a general use method of the existing puncture sleeve medical instruments, but the technical difficulty and the key point of the patent are not included in the detailed description in the patent application), the air bag valve 6 is formed by a structure capable of being communicated with a syringe, and is connected with the medical syringe, gas can be injected or absorbed into the soft and rubber air bag tube 5 (the structure of the air bag valve 6 is similar to a water injection valve of a urethral tube, and the air bag valve is a general use method of medical instruments, is not the technical difficulty and the key point of the patent, and is not detailed in the patent application); only after the needle of the medical syringe is communicated with the air bag valve 6 can air be injected and exhausted, and after the needle is removed, the air bag valve 6 can be closed automatically. The air bag tube 5 is communicated with a closed air bag tube 12 fixed on a main sleeve tube 15, the air bag tube 12 is close to the head end, an air bag hole 13 only communicated with an air bag 14 is formed in the air bag tube 12, and the air bag 14 is a rubber air bag structure which is fixed at the head end of the main sleeve tube 15 and can expand after being inflated and contract after being exhausted; a connecting rod fixing tooth 11 structure is arranged on the side wall of the main sleeve pipe 15, and the connecting rod fixing tooth 11 and a connecting rod 9 with a triangular inclined surface structure are clamped together under the action of the elastic force of a spring 8 so as to fix a sliding body 10; the sliding body 10 is a set which can move back and forth on the main sleeve pipe 15; one end of a spring 8 is fixed on the pressing handle 7, the other end of the spring 8 is fixed on the sliding body 10, and the spring 8 is of an elastic structure with the same internal tension; under the action of the elastic force of the spring 8, the triangular slope structure of the connecting rod 9 can be clamped on the connecting rod fixing teeth 11 on the main sleeve 15, the pressing handle 7 is pulled outwards, the spring 8 is compressed, the triangular clamping groove of the connecting rod 9 is separated from the connecting rod fixing teeth 11, the sliding body 10 can be moved backwards, the end of the connecting rod fixing teeth 11 of the connecting rod 9 is of the triangular slope structure, the sliding body 10 can freely slide at the one-way air bag 14 end, and the sliding body 10 can be automatically fixed while moving; when the slider 10 is moved in the reverse direction, the push lever 7 needs to be pulled outward to move the slider 10.

This puncture cannula ware benefit that two-way can fix does: the puncture cannula used by the surgical instrument can be firmly fixed between the abdominal wall skin and the peritoneum of a patient, and the movement and air leakage of the puncture cannula are effectively prevented. The method specifically comprises the following steps: when in laparoscopic surgery, an operator establishes a narrow puncture hole communicating skin and an abdominal cavity on the abdominal wall of a patient in advance by using an operating blade and vascular forceps, puts the puncture cannula into the abdominal cavity of the patient through the puncture hole, injects gas into the air bag valve 6 of the device by using a medical injector to expand the air bag 14, pulls the puncture cannula outwards, bidirectionally fixes the puncture cannula, the air bag 14 in the abdominal cavity is tightly attached to the peritoneum of the patient and outside the abdominal cavity, the operator pushes the sliding body 10 downwards until the sliding body 10 is clamped at the tightest point of the skin of the patient, at the moment, the connecting rod 9 is clamped on the connecting rod fixing teeth 11 of the main cannula tube 15, the bidirectionally fixable puncture cannula device can be firmly fixed between the skin and the peritoneum of the patient, when the operator uses the surgical device, the bidirectionally fixable puncture cannula device cannot move, thereby being greatly beneficial to the operator to use minimally invasive surgical devices, meanwhile, the air bag 14 part of the bidirectional fixable puncture cannula device is firmly fixed with the peritoneum in the abdominal cavity of the patient, so that the air in the abdominal cavity of the patient is prevented from leaking through the gap of the puncture cannula. The inclined surface structure part of the cannula tube 15 in front of the air bag 14 is small and short, which is greatly beneficial to the opening or closing of the jaws and scissors of the minimally invasive surgical instrument in the abdominal cavity of a patient. Through clinical use, the surgical instrument is convenient to use, can quickly, flexibly and firmly fix the main cannula tube of the puncture outfit, and has more satisfactory and definite effect particularly for the four-stage surgical operation with longer operation time.

The specific use method of the bidirectional fixable puncture cannula device comprises the following steps: when a patient performs abdominal operation, particularly when the surgical four-stage operation which is long in operation time and needs to repeatedly pass through the puncture cannula device to put in and remove surgical instruments, the advantages of the surgical instruments are more obvious, and the specific using method of the surgical instruments is as follows: firstly, a surgeon selects a proper position according to the operation requirement, an abdominal wall channel for placing the puncture cannula tube is established on the abdominal wall of a patient, the air bag 14 is placed in the abdominal cavity of the patient through the channel established on the abdominal wall of the patient under the uninflated state, then the operator takes another syringe needle cylinder, the syringe needle cylinder is connected with the air bag valve 6 on the device, the air bag valve 6 is inflated, air can enter the air bag 14 through the air bag valve 6, the air bag tube 5, the air bag tube 12 and the air bag hole 13, and the air bag is expanded to be larger. At the moment, an operator pulls the puncture cannula device outwards, and moves the sliding body 10 towards the skin direction at the same time until the sliding body 10 clamps the skin tightly, at the moment, under the action of the air bag 14 and the sliding body 10, the puncture cannula device capable of being fixed in the two directions can be firmly clamped between the peritoneum and the skin of a patient, the expanded air bag 14 can prevent the puncture hole from being leaked, the puncture cannula at the front end of the air bag 14 has a short pipe diameter, the operation of laparoscopic minimally invasive surgical instruments of surgeons cannot be influenced, such as minimally invasive scissors and minimally invasive forceps, the puncture cannula device can be opened and closed; after the operation is finished, the operator uses the medical syringe needle cylinder to put into the air bag valve 6 again, the air is sucked outwards, the air in the air bag 14 can be sucked out from the air bag 14 through the passage of the air bag hole 13, the air bag cylinder 12, the air bag pipe 5 and the air bag valve 6, the air bag 14 is shrunk and becomes small, and the bidirectional fixable puncture cannula device can be pulled out to finish the operation. Through clinical use, the device can well control and keep the depth of the main sleeve tube 15 entering the puncture hole in the abdominal wall of a patient unchanged, effectively prevent the puncture sleeve tubes from sliding in different depths, and through clinical use, the device is convenient, flexible and safe to use, and overcomes the defect that similar devices do not exist in clinic.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A bidirectional fixable puncture cannula device comprises an air inlet, a valve, an instrument opening, an air leakage prevention valve, an air bag tube, an air bag valve, a pressing handle, a spring, a connecting rod, a sliding body, a connecting rod fixing tooth, an air bag tube, an air bag hole, an air bag and a main cannula tube; the method is characterized in that: the air inlet is connected with the main sleeve barrel through a valve; the instrument opening is connected with the main sleeve barrel through an air leakage prevention valve; the air bag valve is connected with the air bag through the air bag pipe, the air bag barrel and the air bag hole; the pressing handle is connected with the connecting rod; one end of the spring is connected with the pressing handle, and the other end of the spring is fixedly connected with the sliding body; and the wall of the main sleeve is provided with connecting rod fixing teeth.

2. A bi-directional securable puncture cannula device according to claim 1, wherein: the air inlet can be communicated with a general air inlet pipeline of an operating room.

3. A bi-directional securable puncture cannula device according to claim 1, wherein: the valve can control the communication between the air inlet and the main sleeve barrel.

4. A bi-directional fixable, puncture cannula instrument according to claim 1, wherein: the instrument opening is a main passing opening of surgical instruments, and a rubber one-way air leakage preventing valve is arranged behind the instrument opening.

5. A bi-directional securable puncture cannula device according to claim 1, wherein: the air bag valve is a universal valve which can be connected with a medical injector port and used for injecting gas.

6. A bi-directional securable puncture cannula device according to claim 1, wherein: the air bag tube is communicated with an inflatable rubber air bag through a closed air bag cylinder and an air bag hole.

7. A bi-directional securable puncture cannula device according to claim 1, wherein: the spring is an elastic structure with inward tension, one end of the spring is fixedly connected with the pressing handle, and the other end of the spring is fixedly connected with the sliding body.

8. A bi-directional securable puncture cannula device according to claim 1, wherein: one end of the connecting rod is connected with the pressing handle, and the other end of the connecting rod is of a connecting rod inclined surface structure and is fixedly connected with the connecting rod fixing teeth on the main sleeve barrel.

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