WO2012100708A1

WO2012100708A1 - Ligation device

Info

Publication number: WO2012100708A1
Application number: PCT/CN2012/070557
Authority: WO
Inventors: 郑建都
Original assignee: Zheng Jiandu
Priority date: 2011-01-27
Filing date: 2012-01-19
Publication date: 2012-08-02
Also published as: CN102133121A; CN102133121B

Abstract

A ligation device that opens a ligating ring to facilitate ligation comprises a dual-ring forceps (1), a ligating ring (2) and a pull thread (3). The dual-ring forceps (1) comprises an inner ring (11), an outer ring (12) and a hand grip (13). Thread holes (14) are provided at corresponding positions on ring walls of the inner ring (11) and the outer ring (12). The inner ring (11) is rotatably disposed in the outer ring (12), and a gap (15) where the pull thread (3) can move is reserved between the inner ring (11) and the outer ring (12). The ligating ring (2) is made of an elastic material. One end of the pull thread (3) is fixed on the ring-shaped forceps (1), and the other end sequentially penetrates the thread hole (14) on the outer ring (12), the gap (15) between the outer ring (12) and the inner ring (11), and the thread hole (14) on the inner ring (11) and is then connected to the ligating ring (2). The ligation device has a simple structure and is easy to use. Users can operate the ligation device conveniently even when wearing gloves.

Description

Ligation device

Technical field

The invention relates to the field of medical instruments, in particular to a ligating device for tying a ligating ring to facilitate ligating at a desired position.

Background technique

During the surgical operation, it is sometimes necessary to use a ligating ring to stretch the elastic ligating ring and then ligature it in a specific position, and use the elastic retraction of the ligating ring to provide a continuous tightening force to ligature the desired part. ,Surgery. For example, in the umbilical cord root of the baby in which the ligation ring is ligated during the delivery operation, it is also ligated on the foreskin of the penis during the circumcision operation. At present, such surgery is usually performed by a doctor using a vascular clamp or a vascular clamp to open the ring. After the operation, the doctor needs to wear gloves. If the ligature is opened by hand, the operation is very inconvenient; if blood vessels are used; The tongs open the ligating ring, and the tying ring after being opened is roughly "one" shape. At this time, it is difficult to ligature the ligating ring to the desired position.

Summary of the invention

In order to solve the above problems, the present invention provides a ligature, comprising: a double ring pliers, a ligating ring and a traction wire, the double ring tongs comprising an inner ring, an outer ring and a handle, the inner ring and the a corresponding threading hole is formed in the ring wall position of the outer ring ring, the inner ring ring is rotatably disposed in the outer ring ring, and a gap between the inner ring ring and the outer ring ring for accommodating the traction line is left; The ligating ring is made of elastic material, one end of the pulling wire is fixed on the ring clamp, and the other end passes through the threading hole on the outer ring, the gap between the outer ring and the inner ring, and the threading hole on the inner ring. The tie ring is connected.

Further, the outer ring and the inner ring have at least three threading holes and are equally spaced on the ring wall.

Further, the ring wall of the inner ring is provided with a unidirectional annular tooth, and the ring wall of the outer ring is provided with a corresponding annular card slot, and the card tooth cannot be detached after being engaged with the card slot, but The latches can rotate within the card slot.

Further, the ligating ring is made of rubber or silica gel.

Further, a corresponding latch and a card slot are disposed between the handle of the inner ring and the handle of the outer ring.

Further, one end of the traction line passes through the threading hole of the outer ring, the gap between the inner ring and the outer ring, and the threading hole of the inner ring, and then walks back along the original path around the half ring of the ring. After the outer ring, the next adjacent threading hole is inserted, and after all the threading holes are circulated, the other end of the pulling line outside the outer ring is connected.

Further, one end of the traction line connected to the ligating ring is directly implanted into the ligating ring.

Further, a fixing ring is further included, the diameter of the fixing ring being larger than the diameter when the ligating ring is not opened.

Further, the opening on one side of the fixing ring is a flare, and the diameter is larger than the diameter of the opening on the other side.

Further, a side of the fixed ring opening having a smaller diameter is provided with a limit step.

The invention has the following beneficial effects:

According to the ligature provided by the present invention, a new type of ligator is used, and only needs to rotate the double-ring tongs during use, and the outer ring and the inner ring rotate correspondingly to pull the traction wire on the double-ring tongs to pull the ligating ring, and the ligating ring Extend to the required size for ligation. The ligature is simple in structure and convenient to use, and can be easily operated even with gloves, and the ligature can be made into a disposable device as needed, which is safe and sanitary.

DRAWINGS

The invention will now be described in further detail with reference to the accompanying drawings.

FIG. 1 is a schematic view of the ligature of the ligature of the first embodiment when the ferrule is not opened.

2 is a schematic view of the ligature of the ligature of the first embodiment when the ligature ring is fully extended.

3 is a schematic view of a ferrule loop of a first embodiment.

4 is a side elevational view of the inner ring of the ligature of the first embodiment.

Fig. 5 is a schematic view showing the outer ring of the ligator of the first embodiment.

Figure 6 is a side elevational view of the ferrule outer ring of the first embodiment.

7 is a schematic view of a ligature of a second embodiment.

8 is a schematic view of a ligature retaining ring of a third embodiment.

FIG. 9 is a schematic view of the ligature of the third embodiment when the ferrule is sleeved with the fixing ring.

detailed description

In order to better understand the technical solutions of the present invention, the embodiments provided by the present invention are described in detail below with reference to the accompanying drawings.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to Figures 1 to 6, the present invention provides a ligature comprising a double-ring pliers 1, a ligating ring 2 and a pull wire 3, the double-ring pliers 1 comprising an inner ring 11 and an outer ring The ring 12 and the handle 13 are disposed on the inner ring 11 and the outer ring 12, respectively. The inner ring 11 and the outer ring 12 are respectively provided with eight equally-distributed threading holes 14 on the ring wall, and the inner ring 11 is provided with a unidirectional annular tooth 111 and a ring of the outer ring 12 The annular pin slot 121 corresponding to the latch 111 is disposed on the wall. The inner ring 11 is not detachable from the outer ring 12, but the latch 111 of the inner ring 11 can be in the slot 121 of the outer ring 12. Rotating, a gap 15 for accommodating the movement of the traction wire 3 is left between the inner ring 11 and the outer ring 12; a corresponding tooth 131 and a card are provided between the inner ring 11 and the handle 13 of the outer ring 12 Slot 132. The ligating ring 2 is made of a rubber material and is fixed to the outer ring 12 of the double-ring pliers 1 by a pulling wire 3. One end of the pulling wire 3 is placed outside the threading hole of the outer ring 12, and the other end sequentially passes through the threading hole 14 of the outer ring 12, the gap 15 between the outer ring 12 and the inner ring 11 ring, and the threading hole of the inner ring 11 14, a half turn around the ferrule ring, and then back through the original path, through the threading hole 14 of the outer ring 12 and then into the next adjacent threading hole 14, so that all the threading holes 14 are sequentially circulated and cycled The pulling wire placed outside the threading hole 14 of the outer ring 12 is connected at one end and fixed to the outer ring 12.

Taking the umbilical cord of the baby as an example: when the ligature is used, the inner ring 11 and the handle 13 of the outer ring 12 are brought together, and the inner ring 11 and the outer ring 12 are rotated correspondingly, and the inner ring 11 is at this time. The threading holes 14 of the outer ring 12 are offset from each other, and the traction wire 3 in the gap 15 between the inner ring and the outer ring is driven to slide outward, and the ligating ring 2 is extended outward by the traction force of the traction wire 3, when the handle 13 When the upper latching teeth 131 are engaged with the latching slots 132, the ligating ring 2 is fully extended, and the fully entangled ligating ring 2 can be ligated on the root of the baby umbilical cord, and the handle 13 and the ligating ring can be loosened. 2 contraction, cut the traction line 3, remove the double-ring pliers 1, and complete the surgical operation. With this type of ligator, it is easy to operate and reliable.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT 2 As shown in FIG. 7, the double-ring pliers of the ligature are made of a material for manufacturing a disposable medical device, and the double-ring pliers 1 of the ligature and the double-ring pliers in the first embodiment The structure of 1 is the same. Further, for the convenience of production, one end of the pull wire 3 of the ligature is directly implanted into the ligating ring 2, and the other end passes through the threading hole 14 of the inner ring 11 in turn, the inner ring 11 and the outer end. The gap 15 of the ring 12 and the threading hole 14 of the outer ring 12 are then fixed to the double ring clamp 1.

The main difference between the second embodiment and the specific embodiment is the same as that of the ligating device of the first embodiment, and the details are not described herein.

The third embodiment, as shown in FIG. 8 and FIG. 9 , the ligature of the

embodiment

1 or 2, further comprising a fixing ring 4 . The diameter of the fixing ring 4 is larger than the diameter of the ferrule ring 2 when the ferrule ring 2 is not opened. The opening 41 on one side of the fixing ring 4 is a flared diameter, and the diameter of the fixing ring 4 is larger than the diameter of the other side opening 42. The limiting step 43 for limiting the falling of the ligating ring 2 is obtained.

Take the circumcision operation as an example: when the ligature is used, the foreskin is first turned over, the flaring 41 of the fixing ring 4 is taken as an inlet, the fixing ring 4 is inserted into the glans, and then the foreskin is turned back to the fixing ring. 4 outside, the ferrule ring 2 is opened by the double ring pliers 1, and is ligated on the platform between the flaring 41 of the fixing ring and the limiting step 43, at which time the foreskin is clamped on the fixing ring 4 and the ligating ring 2 Between, the traction line 3 is cut, and after the double-ring clamp 2 is removed, the excess foreskin at the distal end is removed to complete the operation.

The above is only the preferred embodiment of the present invention, and thus the scope of the present invention is not limited thereto, that is, the equivalent changes and modifications made in accordance with the scope of the present invention and the contents of the specification should still belong to the present invention. Covered by the scope.

Industrial applicability

According to the ligature provided by the present invention, only the double-ring clamp is rotated during use, and the outer ring and the inner ring rotate correspondingly to pull the traction wire on the double-ring clamp to pull the ligating ring, and the ligating ring is opened to the required size for the sleeve. tie. The ligature has a simple structure and facilitates the operation of the ligation operation.

Claims

A ligature comprising: a double ring pliers, a ligating ring and a pulling wire, the double ring tongs comprising an inner ring ring, an outer ring ring and a handle, wherein the inner ring ring and the outer ring ring are opened at a ring wall position There is a corresponding threading hole, the inner ring is rotatably disposed in the outer ring, and a gap is formed between the inner ring and the outer ring to accommodate the traction line; the ligating ring is made of an elastic material. One end of the traction wire is fixed on the ring clamp, and the other end is connected to the ferrule ring through the threading hole on the outer ring, the gap between the outer ring and the inner ring, and the threading hole on the inner ring.
The ligature according to claim 1, wherein the outer ring and the inner ring have at least three threading holes and are equidistantly distributed on the ring wall.
The ligature according to claim 1, wherein the ring wall of the inner ring is provided with a unidirectional annular tooth, and the ring wall of the outer ring is provided with a corresponding annular card slot. It can be rotated in the card slot.
The ligature according to claim 1, wherein the ligating ring is made of rubber or silicone.
The ligature according to claim 1, wherein a corresponding latch and a card slot are provided between the handle of the inner ring and the handle of the outer ring.
The ligature according to any one of claims 1 to 5, wherein one end of the pulling wire passes through the threading hole of the outer ring, the gap between the inner ring and the outer ring, and the threading hole of the inner ring. Along the half of the ferrule ring and then back through the original path, after passing through the outer ring and then inserting into the next adjacent threading hole, so that after all the threading holes are circulated, the other end of the pulling line outside the outer ring is connected. .
The ligature according to any one of claims 1 to 5, wherein one end of the pull wire connected to the ligating ring is directly implanted in the ligating ring.
The ligature of claim 1 further comprising a retaining ring having a diameter greater than a diameter of the ligating ring when not swelled.
The ligature according to claim 8, wherein the opening on one side of the retaining ring is a flared diameter having a larger diameter than the opening of the other side.
The ligature according to claim 9, wherein a side of the fixing ring having a smaller diameter is provided with a limit step.