JPH07328013A - Storage bag for surgery with endoscope - Google Patents

Abstract

PURPOSE:To provide a storage bag having an easy storing action of a tissue piece, preventing a body fluid or the tissue piece from being spilled or scattered in a body cavity, and having high safety when an organ or the tissue piece cut during surgery is extracted to the outside of a body. CONSTITUTION:This storage bag for surgery is constituted of a bag 1 having an insertion hole 2 at the entrance, a band 4 inserted into the insertion hole 2, and a sheath pipe 3 inserted with the rear end side of the band 4 and storing the bag 1. A chip having the opening nearly equal in shape to the cross section of the band 4 is attached near the tip section of the sheath pipe 3, the band 4 has a flat shape, and an irregular shape is provided on at least one side face near the tip section. The tip section is fixed to a fastener fitted at one end of the insertion hole, and the other end side is guided to the rear end section through the opening of the fastener, the opening of the chip, and the inner diameter of the sheath pipe 3. When the rear end of the band 4 is pulled, the entrance of the bag 1 is squeezed and closed, and it is not loosened again.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage bag used in an endoscopic surgical operation for accommodating organs or tissue pieces excised during the operation and taking them out of the body.

[0002]

2. Description of the Related Art In endoscopic surgery, an organ or a tissue piece excised during surgery is excised outside the body through a trocar that has been percutaneously inserted and left in the abdominal wall or the like and is placed in the abdominal cavity. In this case, in order to prevent body fluid or tissue pieces from overflowing and scattering in the body cavity, a storage bag as shown in FIG. 6 is used to store them.

The storage bag shown in FIGS. 6 (a) and 6 (b) has a thin thread (32) attached to the outer periphery of the mouth of the bag (31) (US Pat. Nos. 5,037,379 and 5,143,082).
No.). However, in such a shape, the looped thread (32) is not stiff, the shape of the mouth when the bag (31) is opened is not a clean circular shape, and the opening surface of the bag (31) is Since the direction cannot be controlled freely,
Tissue pieces cannot be stored easily. Further, there is a drawback that the thread may be loosened after the tissue piece or the like is stored in the bag and the mouth of the bag is closed, and the bag may be opened.

Further, in the storage bag shown in FIG. 6 (c), a spindle-shaped semi-rigid bag (33) is a support rod (3).
4) is attached to the sheath (35) or trocar attached to the bag (33) to the opening of the bag (33) in a form in which the proximal side of the bag (33) is opened, and the opening of the bag is closed. It is a device. Although there is an advantage that a large opening area can be secured for the opening, the stroke for closing the obliquely cut opening becomes long, and the bag (3
Although 3) is large, the storage volume is small and it is difficult to use within the limited internal volume of the body cavity. Further, there is a defect that the sealing property is poor when the opening is pulled in and closed.

[0005]

DISCLOSURE OF THE INVENTION The present invention has been made as a result of various studies in order to solve the above-mentioned problems, and the object is to remove organs or tissue pieces excised during surgery. An object of the present invention is to provide a safe storage bag for endoscopic surgery that can be easily stored and does not overflow or scatter body fluid or tissue pieces into the body cavity during extraction. .

[0006]

The storage bag for endoscopic surgery according to the present invention for achieving the above object is a bag having a through hole at the mouth, a band inserted into the through hole at the mouth of the bag,
And a surgical storage bag comprising a sheath pipe for inserting the rear end side of the band and storing the bag, wherein the sheath pipe is located at a position near the distal end of the lumen and has a cross section of the band. A tip having openings of substantially the same shape is attached, the band is flat, and an uneven shape is provided on at least one surface near the tip, and the tip is attached to one end of the through hole. Is fixed to the fastener in advance, and the rear end side is passed from the other end of the through hole through the fastener opening, the tip opening attached to the sheath pipe, and the lumen of the sheath pipe to the rear end of the sheath pipe. Derived,
Further, the opening of the fastener is characterized in that a spring-like protrusion is provided toward the rear end side so as to engage with the unevenness provided on the band.

Furthermore, a sheath pipe for inserting a band and accommodating a bag is provided in the outer cylinder having an outer cylinder having a collar at the rear end and a longer overall length than the outer cylinder. An inner cylinder is formed, and the tip having the opening is attached to the front end of the inner cylinder, and a valve member is attached to the rear end of the outer cylinder.
A storage bag for endoscopic surgery, characterized in that a gap between an outer cylinder and an inner cylinder is hermetically sealed.

A detailed description will be given below with reference to the drawings. FIG. 1 is a view showing the structure of a storage bag for endoscopic surgery according to an embodiment of the present invention, and FIG. 5 (a) is a view showing its use state.

The storage bag for endoscopic surgery according to the present invention comprises a bag (1) having a through hole (2) at its mouth, a band (4) inserted through the through hole (2) of the bag, and a band ( 4) A sheath pipe (3) for inserting the rear end side and accommodating the bag (1). The sheath pipe (3) has a band (4) at a position near the distal end of its lumen. A chip (5) is provided which has an opening through which it can pass.

The band (4) has a flat shape, that is, a cross section of a rectangle, an ellipse, or an ellipse, and at least one surface in the vicinity of the tip has an uneven shape as shown in FIG. There is. The tip of the band (4) is shown in FIG.
As shown in (a), it is previously fixed to a fastener (6) provided in one opening of the through hole (2), and the rear end side comes out from the other opening of the through hole, and the fastener is (6) opening,
It goes out of the rear end of the sheath pipe (3) through the opening of the tip (5) provided in the lumen of the sheath pipe (3) and further through the lumen of the sheath pipe (3).

Since the band (4) has a flat shape, when it is inserted into the through hole (2) at the mouth of the bag (1) to form a loop, both surfaces thereof are parallel to the depth direction of the bag (1). Has become. The opening of the tip (5) has a shape substantially equal to the cross section of the band (4), and the band (4) inserted through this opening has its angle (or position) within the sheath pipe (3). Is fixed. As a result, since the angle (positional relationship) between the opening surface at the mouth of the bag (1) and the sheath pipe (3) is fixed, the angle of the opening surface of the bag (1) is rotated by rotating the sheath pipe (3). You can change the (direction).

Further, the opening of the fastener (6) is provided with a spring-like projection (7) facing the rear end side so as to engage with the unevenness provided on the band (4). 4) to Figure 4
When the band (4) is pulled in the direction of arrow A in (a) and engaged with the unevenness of the band, the band (4) does not return in the direction opposite to the direction of arrow A. Therefore, when the rear end of the band (4) protruding from the rear end of the sheath pipe (3) is pulled, the mouth of the bag (1) is drawn at the tip of the sheath pipe (3) and squeezed. The mouth is closed. Then, when the band (4) is pulled more strongly, the protrusion (7) of the fastener (6) is engaged, and the mouth of the bag (1) does not open even if the force of pulling the band (4) is loosened.

The tip of the band (4) is not preliminarily fixed to the fastener as shown in the example of FIG. 4 (a), but the band is not attached to the opening of the fastener (8) as shown in FIG. 4 (b). Even in the structure in which two spring-like protrusions (7) that engage with the unevenness of are provided so as to face each other, the band (4) is pulled in the direction of arrow B in FIG. 4B to engage with the unevenness of the band. Then, the band (4) does not return in the direction opposite to the arrow B, and the rear end of the band (4) protruding from the rear end of the sheath pipe (3) is pulled as in the case of FIG. 4A. Then, the mouth of the bag (1) is squeezed to close the mouth of the bag (1), and even if the pulling force of the band (4) is loosened, the mouth of the bag (1) does not open.

FIG. 2 is a view showing the structure of a storage bag for endoscopic surgery according to another embodiment of the present invention, and FIG. 5 (b) is a view showing its use state.

Sheath pipe (3) in the embodiment of FIG.
Instead of the outer cylinder (10) having a collar (12) at the rear end.
And a double pipe composed of an inner cylinder (11) having a longer overall length than that of the outer cylinder and arranged in the outer cylinder. A tip (5) having an opening having a shape substantially equal to the cross section of the band (4) is provided at the tip of the inner cylinder (11), and the valve member (1) is provided at the rear end of the outer cylinder (10).
3) is provided to hermetically seal the gap between the outer cylinder (10) and the inner cylinder (11). Use of fasteners (6, 8) is shown in Figure 1.
Although it is the same as the embodiment described above, it can be attached to the tip portion of the inner cylinder (11).

As shown in FIG. 3, the bag (1) used in the present invention has a band (4) at the open mouth.
A through hole (2) for passing the like is provided. Also,
The outer shape of the bag (1) is preferably a trumpet shape with a wide opening so that a piece of tissue cut off during surgery can be stored easily. As a material thereof, in order to facilitate storage in the sheath pipe (3) or the outer cylinder (10), it has a thin wall thickness of 0.01 to 0.2 mm, is flexible, has no adhesiveness, and has a tissue structure. It is preferable that the piece has strength that does not break even if it is pinched with forceps when putting the piece in the bag (1), and that has barrier properties and transparency that does not allow water to pass through. For example, synthetic resin such as ethylene vinyl alcohol copolymer or polyamide,
It is preferable to select a material such as rubber, but the material is not necessarily limited to such a material.

Next, the band (4) is in the form of a band having a width of 1.5 to 4 mm, or an elliptical or elliptical cord having a cross section of a major diameter of 1.5 to 4 mm, and has a through hole (2) at the mouth of the bag (1). ), And is led to the rear end through the sheath pipe (3) or the inner cylinder (11). The band (4) inserted through the through hole (2) serves to keep the opening of the bag (1) large and circular so that the tissue pieces and the like can be easily accommodated in the bag (1), and also the bag (1). The band (4) may be folded in half when the mouth of the band is drawn and stored in the sheath pipe. Also, as mentioned above, the band (4)
Is a fastener (6, 8) provided at the open end of the through hole (2) at the mouth of the bag (1) and a tip provided at the distal end of the lumen of the sheath pipe (3) or the inner cylinder (11). The bag is inserted through the opening of (5), the angle between the opening surface of the mouth of the bag (1) and the sheath pipe (3) or the inner cylinder (11) is fixed, and the sheath pipe or the inner cylinder is rotated. It also serves as an axis for the operation of changing the angle or direction of the opening surface of (1). Further, the end of the band (4) led out to the rear end through the inner cylinder (11) makes it easy for the user to pull the band (4) and squeeze the mouth of the bag, so that a finger can enter. You may make it into a loop shape of about a size.

Therefore, the material of the band (4) is required to be a material which has both sufficient bending elasticity and rigidity, is hard to bend, and has a strong rigidity. Further, since it is inserted into a living body at the time of use, it is also necessary to use a medically safe material. Examples of such materials include polyamide resins and metals such as stainless steel.

The tip (5) has a band (4) in its opening.
Although it serves to fix the angle by inserting the needle, the opening of the tip (5) and the band (4) are also combined so as to prevent leakage of pneumoperitoneum gas that has been sent into the body cavity during surgery. Airtightness between them is also required. The tip (5) can be made of hard resin such as hard vinyl chloride resin, but its opening is accurately adjusted so that the band has a substantially same cross-sectional shape according to the band (4) to be inserted. Processing and finishing are required. Further, it is more preferable in terms of airtightness to use a material having appropriate elasticity such as vulcanized rubber, but it has appropriate adhesion to the band (4) and pushes and pulls the band. It just needs to slide smoothly.

Each of the sheath pipe (3), the outer cylinder (10) and the inner cylinder (11) is a hard tubular body having a wall thickness of about 0.3 to 2 mm, and the sheath pipe and the outer cylinder are inside a trocar used during surgery. The inner cylinder has an outer diameter dimension that allows it to be inserted into the cavity, and the inner cylinder has an outer diameter dimension that allows it to be inserted into the inner cavity of the outer cylinder. As the material, for example, it is preferable to select a relatively hard material that is hard to bend and has good slipperiness, such as a fluorine resin, a hard vinyl chloride resin, a polypropylene resin, a polyethylene resin, and a metal, but it is not always necessary to use such a material. However, it is important to select a slippery material that is easy to take out when taking out the bag (1) stored in the inner cavity.

The valve member (13) provided at the rear end portion of the outer cylinder (10) hermetically seals a gap between the valve member (13) and the inner cylinder (11) inserted in the outer cylinder to prevent insufflation of gas. The valve member (13) is for preventing leakage, and the valve member (13) includes an inner cylinder (1
An elastic film having holes corresponding to the outer diameter of 1) is suitable. As the material, it is preferable to select a material having appropriate flexibility and elasticity such as natural rubber, silicone rubber or butyl rubber, but it is not particularly limited, and it is appropriately airtight with the inner cylinder (11). The inner cylinder (1
It is important that it slides smoothly when pushing in 1).

Further, the collar (12) provided in the vicinity of the rear end portion of the outer cylinder (10) drops into the trocar when the outer cylinder is inserted into the trocar inner cavity for operation. It also functions as a grip when handling and operating the outer cylinder (10).

Next, a method of using the storage bag for endoscopic surgery according to the present invention will be described. First, the band opening (4), which is looped by being inserted into the through hole (2), is folded in two so that the mouth opening of the bag (1) is crushed from both sides. So, using the folded band (4) as the axis,
Wrap the bag (1) and store it near the tip of the sheath pipe. In the first embodiment, as shown in FIG. 1A, the sheath pipe (3) is stored up to the position of the tip (5).
Further, in the second embodiment of the double pipe type, as shown in FIG. 2B, the bag (1) is housed in the outer cylinder (10) together with the inner cylinder (11) so as to be hidden. The operator is usually provided with a well-sterilized product in such a state.

Then, as shown in FIG. 5, this is inserted into the body cavity (22) through the body wall (21) of the patient and into the body cavity (2) through the lumen of the trocar (20) which has been previously inserted and left in place.
2) Insert inside. Then, while continuing to press the rear end of the band (4) (Fig. 5a) or the inner cylinder (11) (Fig. 5b) and confirm the position with an endoscope inserted from another trocar, the bag (1) The sheath pipe (3) or outer cylinder (1
Push out of 0). The bag (1) is opened by the elastic force of the band (4) and spreads in the body cavity (22) into the shape shown in FIG.

Here, while observing the state of the body cavity (22) through the endoscope, the sheath pipe (3) or the inner cylinder (1)
1) Grasp the rear end of the bag (1) and rotate and operate it to freely control the orientation of the mouth opening surface of the bag (1), and store the tissue pieces and the like excised by surgery in the bag (1).

Then, pulling the rear end of the band (4),
Firmly close the mouth of the bag (1). At this time,
In the first embodiment shown in (a), the fastener (6) at the mouth of the bag (1) enters the distal end of the sheath pipe (3) and hits the tip (5), or the bag (1). When the bag is bulky, the bag (1) is closed at the entrance of the sheath pipe (3) by further pulling the bag.

On the other hand, in the second embodiment shown in FIG. 5 (b), the tip (5) is attached to the tip of the inner cylinder (11), and the fastener (6) at the mouth of the bag (1) is used. Are close to each other, the mouth of the bag (1) is immediately squeezed when the rear end of the band (4) is pulled. After that, the inner cylinder (11) may be retracted and the bag (1) may be drawn into the outer cylinder (10).

Finally, when the bag (1) containing the tissue pieces or the like is taken out of the body, the sheath pipe or the like is trocar (20).
When removing the bag (1) together with the body cavity (2) or by cutting the band (4) protruding from the mouth of the bag (1).
2) In some cases, the sheath pipe etc. may be removed while leaving the inside of the bag, and the trocar on the body wall after removing the trocar (20) after incising a part of the bag (1) to remove water inside The bag (1) may be grasped with forceps or the like through the hole and taken out of the body, but it is treated depending on the situation and purpose.

[0029]

The storage bag for endoscopic surgery according to the present invention comprises:
It is safe because it is easy to store the excised organs or tissue pieces during surgery, and it is safe because it does not overflow or scatter body fluid or tissue pieces into the body cavity during extraction. It is useful as a storage bag in.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing the configuration of a storage bag for endoscopic surgery according to an embodiment of the present invention.

FIG. 2 is a schematic view showing the configuration of a storage bag for endoscopic surgery according to another embodiment of the present invention.

FIG. 3 is a view showing a bag used in the present invention.

FIG. 4 is a cross-sectional view for explaining the structure of the fastener used in the present invention.

FIG. 5 is a view for explaining a method of using the storage bag for endoscopic surgery of the present invention.

FIG. 6 is a view showing a conventional storage bag for endoscopic surgery.

[Explanation of symbols]

 1 bag 2 through hole 3 sheath pipe 4 band 5 tip 6,8 fastener 7 spring-like protrusion 10 outer cylinder 11 inner cylinder 12 collar 13 valve member 20 trocar

Claims (3)

[Claims] 1. A surgery comprising a bag having a through hole at the mouth, a band inserted through the through hole at the mouth of the bag, and a sheath pipe for inserting the rear end side of the band and accommodating the bag. A storage bag for use in the sheath pipe, wherein a tip having an opening having a shape substantially equal to the cross section of the band is attached to the sheath pipe at a position near the tip of the lumen, and the band is flat and at least near the tip. The surface on one side is provided with an uneven shape, the tip of which is previously fixed to a fastener attached to one end of the through hole, and the rear end side is the opening of the fastener from the other end of the through hole, the sheath pipe. Through the opening of the tip attached to the and the lumen of the sheath pipe, and led out from the rear end of the sheath pipe, and further, in the opening of the fastener, the unevenness provided on the band toward the rear end side. A spring-shaped protrusion that engages is provided. A storage bag for endoscopic surgery characterized by: 2. A sheath pipe for inserting a band and accommodating a bag, an outer cylinder having a collar at a rear end portion, and an inner cylinder having a longer overall length than that of the outer cylinder and arranged in the outer cylinder. The tip having the above-mentioned opening is attached to the front end of the inner cylinder, and a valve member is attached to the rear end of the outer cylinder to hermetically seal the gap between the outer cylinder and the inner cylinder. The storage bag for endoscopic surgery according to claim 1, characterized in that. 3. A fastener attached to the open end of the through hole of the bag is provided with two protrusions at opposite positions on the rear end side of the opening so as to engage with the unevenness provided on the band. hand,
The endoscope according to claim (1) or (2), characterized in that, instead of previously fixing the tip of the band to the fastener, it is formed so as to be engaged and fixed to the projection. Lower surgery storage bag.