KR101396195B1 - Holding apparatus for trocar and trocar assembly having the same - Google Patents

Abstract

The present invention relates to a device for fixing a needle for a trocar and a trocar assembly having the same. The device facilitates the fixing and separation of a needle for a trocar with a sleeve and a needle and includes a ring-shaped hollow upper frame for inserting a needle, a lower frame which has a shape corresponding to a hollow formed on the upper frame and is coupled to the upper frame, and a fixing unit arranged between the upper frame and the lower frame to increase the hollow areas formed on the upper frame and the lower frame thereby fixing or separating the needle.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a trocar locking fixture for a trocar,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trocar fixing device for a trocar and a trocar assembly having the same, and more particularly, to a trocar fixing device for a trocar, will be.

In general, unlike conventional open surgery, the laparotomy is being performed to minimize the incision of the skin and to restore the patient's speed.

This laparoscopic procedure is a surgical procedure performed by observing the surgical site of the abdominal cavity by creating a tube to the abdomen of the patient using a trocar (trocar) and introducing a surgical instrument such as an endoscope into the abdominal cavity , Cholecystectomy, biliary stones removal, pterygium excision, and general surgery.

Here, Trocar refers to a medical instrument used to access the abdominal cavity. The trocar includes a sleeve inserted and fixed into the body through a navel or a skin incision of the patient, and a sleeve inserted through the sleeve to insert a laparoscopic surgical instrument And the incision is made by cutting the patient's skin.

The body is joined to the sleeve so that a surgical instrument such as an endoscope can be inserted.

Meanwhile, the sleeve is provided with a soft material such as silicone to minimize the influence of the sleeve when inserted into the patient's body. Due to the nature of the sleeve, it is difficult to insert the sleeve into the body of the patient .

In order to solve this problem, a body and a sleeve have been conventionally formed integrally, and a puncture has been removed by inserting a puncture through the main body and the sleeve, a laparoscopic operation is performed, or a blade is provided inside the sleeve, A trocar for laparoscopic surgery has been developed.

However, such a conventional trocar has a complicated structure because the main body and the sleeve are integrally formed or a separate blade is provided inside the sleeve, and when the cutter is used, it is difficult to remove the cutter .

Therefore, there is a need for a research and development of a trocar which is easy to remove the plug from the trocar using the plug.

SUMMARY OF THE INVENTION An object of the present invention is to provide a trocar fixing device for a trocar which facilitates fixing and disengagement of a trocar casting by a simple operation of a user and a trocar assembly having the same.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not intended to limit the invention to the precise form disclosed. It can be understood.

The above object is achieved according to the present invention by a trocar fixing device for a trocar which facilitates fixing and disengagement of the trocar in a trocar having a sleeve and a trocar, frame; A lower frame coupled to the upper frame and having a hollow corresponding to the cavity formed in the upper frame; And a fixing unit disposed between the upper frame and the lower frame so as to increase or decrease an area of the hollow formed in each of the upper frame and the lower frame to fix or release the projection. Lt; / RTI >

The fixed unit is disposed so as to be mutually overlapped so that the cross-sectional portions overlap each other so as to insert the penetration into the overlapping cross section. The cross-sectional area of the overlapping cross section is increased or decreased by supporting the elastic member and elastically reciprocating, And may include a first retaining ring and a second retaining ring for releasing the retaining ring.

The first fixing ring and the second fixing ring are pressed by a user to elastically reciprocate to increase or decrease an area of the cross section to fix and release the toe, And may be integrally formed with a holder protruding from the outer side.

Meanwhile, the first retaining ring and the second retaining ring are integrally formed with the first retaining ring and the second retaining ring so as to protrude in a direction opposite to the center of the hollow, and the plurality of elastic members And a protrusion inserted into the holder to support the holder.

The lower frame may include a tape coupling groove on which an adhesive tape adhered to the body may be provided to fix the trocar.

The adhesive tape may be concentrically arranged along an outer diameter of the lower frame, and may be cut radially.

The lower frame may further include a gauze inserting groove on which a blood absorbing gauze to be discharged to the outside of the body may be provided.

According to another aspect of the present invention, there is provided a trocar assembly including a trocar fixing device for a trocar, the trocar assembly comprising: a sleeve having a hollow cylindrical shape and inserted into the body through a navel or a skin incision of a patient and made of an elastic material; Wherein when the sleeve is inserted, the inner peripheral surface of the sleeve is pressed to maintain the shape of the sleeve so that the sleeve can be smoothly inserted into the body through the navel or the skin incision window, A trocar having a plunger that is separated from the sleeve by releasing the biased state against the sleeve so as to be coupled to the sleeve; And a trocar locking fixture provided at an upper end of the sleeve for securing the trocar to the body of the patient and capable of securing the trocar by an elastic reciprocating motion and separating the trocar from the sleeve smoothly The above object may be achieved by a trocar assembly.

In this case, the trocar assembly may further include a main body coupled to the trocar immobilization device for the trocar exposed to the outside so that the laparoscopic surgical instrument can be inserted through the sleeve.

According to the present invention, it is possible to provide a trocar locking fixture for a trocar capable of easily fixing and releasing a trocar casting due to an elastic force by an elastic reciprocating motion by pressure of a user, and a trocar assembly having the same.

1 is a view showing a trocar fixation device for a trocar according to an embodiment of the present invention.
Fig. 2 is a plan view showing the upper part of the trocar fixing device for the trocar according to Fig. 1;
3 is an exploded perspective view of the trocar immobilization device according to FIG.
Fig. 4 is a bottom view of the lower portion of the impact fixture for the trocar according to Fig. 1; Fig.
5 illustrates a trocar assembly including a trocar fixture for a trocar according to another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, the well-known functions or constructions are not described in order to simplify the gist of the present invention.

2 is a plan view showing an upper portion of a trocar immobilization apparatus 100 according to an embodiment of the present invention. FIG. 3 is a cross- 1 is an exploded perspective view of the trocar immobilization apparatus 100 for a trocar according to FIG. 1, and FIG. 4 is a bottom view showing a lower portion of the trocar immobilization apparatus 100 according to FIG.

1 to 4, a trocar immobilization apparatus 100 for a trocar according to an embodiment of the present invention is mounted on a trocar 200 having a sleeve 210 and a toe 220, An upper frame 110, a lower frame 120, and a fixed unit 130.

The upper frame 110 may be provided in a ring shape having a hollow for insertion of the needle 220.

At this time, the hollow area formed in the upper frame 110 according to the present embodiment may be formed to be larger than the cross section of the penetration 220. This is to facilitate separation of the trough 220, and when the trough 220 is fixed, the area of the hollow can be reduced by the fixing unit 130, which will be described later.

The lower frame 120 is a portion provided with a hollow corresponding to the hollow formed in the upper frame 110, and thus may be provided in a ring shape corresponding to the shape of the upper frame 110.

The lower frame 120 and the upper frame 110 according to the present embodiment may have the same appearance as a tube shape when coupled to each other.

At this time, a predetermined space may be provided inside the upper frame 110 and the lower frame 120 so that the fixing unit 130, which will be described later, can be disposed.

The fixed unit 130 is disposed between the upper frame 110 and the lower frame 120 as described above by increasing or decreasing the area of the hollow formed in the upper frame 110 and the lower frame 120, respectively.

The fixture unit 130 can increase or decrease the area of the hollow, thereby making it easier to fix or release the projections 220. [

More specifically, when the hollow area is increased by the fixing unit 130, the cutter 220 is inserted into the trocar 200, and the trocar 200 is fixed to the body, It is easy to detach from the trocar 200 to separate it.

When the hollow area is reduced by the fixing unit 130, the cutter 220 is inserted into the trocar 200, and then the cutter 220 is separated from the body until the trocar 200 is inserted and fixed to the body. It is also easy to firmly fix the trowel 220 to the trocar 200 so that the trough 220 is not exposed.

2 and 3, the fixing unit 130 includes a first fixing ring 132 and a second fixing ring 133 so as to facilitate fixing and disengagement of the fluoroscope 220 as described above. . ≪ / RTI >

The first retaining ring 132 and the second retaining ring 133 are provided in a ring shape, and are arranged such that a part of their cross sections overlap each other. At this time, the cutter 220 can be inserted into the overlapping section.

The first retaining ring 132 and the second retaining ring 133, which are arranged so that a part of their cross sections overlap each other, can elastically reciprocate by supporting the elastic member 134.

The area of the overlapping section of the first fixing ring 132 and the second fixing ring 133 can be changed by the elastic reciprocating motion and the change in the area of the cross section can be changed between the upper frame 110 and the lower frame 120 And the area of the hollow can be substantially increased or decreased by being exposed to the formed hollow.

Such an elastic reciprocating motion can be performed only within a certain range by the outer appearance of the upper frame 110 and the lower frame 120. As shown in Figure 3, One of the first fixing ring 132 and the second fixing ring 133 may be provided in any one of the upper frame 110 and the lower frame 120 so that the first fixing ring 132 and the second fixing ring 133 can be formed. (Not shown) that reciprocates only within the range of the guide groove (reference numerals are not defined) along the guide groove (reference numerals are not designated).

At this time, the upper frame 110 and the holder 135 protruding from the outer side of the lower frame 120 may be integrally formed with the first fixing ring 132 and the second fixing ring 133.

The holder 135 is a portion directly pressed by the user's hand and is pressed by the user to elastically reciprocate the first fixing ring 132 and the second fixing ring 133 to change the area of the overlapping cross- The area can be increased or decreased.

On the other hand, the holder 135 can be supported by the protrusion 136.

The protrusion 136 protrudes in the opposite direction to the center of the hollow formed in the first retaining ring 132 and the second retaining ring 133. The first retaining ring 132 and the second retaining ring 133 133, respectively.

The protrusion 136 according to the present embodiment may be provided between the ring-shaped outer peripheral portion of the first retaining ring 132 and the second retaining ring 133 and the holder 135 to support the holder 135.

At this time, the holder 135 supported by the projection 136 is not integrally formed but is a holder 135 of the other. In other words, the protrusion 136 formed on the first fixing ring 132 can support the holder 135 formed on the second fixing ring 133, and the protrusion 136 formed on the second fixing ring 133 Can support the holder 135 formed on the first stationary ring 132. [

As described above, the protrusions 136 may be disposed opposite to each other with a fixing ring therebetween at an interval of 180 degrees to support the holder 135 formed in the counterpart fixing ring.

The protrusion 136 may be inserted with an elastic member 134 capable of elastically reciprocating the first retaining ring 132 and the second retaining ring 133.

The elastic member 134 according to the present embodiment may be a cylindrical spring and the protrusion 136 is inserted into the spring so that one side supports the holder 135 and the other side supports the stationary ring, 132 and the second retaining ring 133 can be elastically reciprocated. Thus, by increasing or decreasing the area of the hollow, the fixture 220 can be easily fixed and separated.

Meanwhile, the lower frame 120 according to the present embodiment may include a tape coupling groove 122.

The tape fitting groove 122 is a groove in which the adhesive tape 10 is provided and the adhesive tape 10 according to the present embodiment can be attached to the skin of the patient to fix the trocar 200 inserted into the body .

At this time, the adhesive tape 10 may be concentrically arranged along the outer diameter of the lower frame 120, and may be cut radially to improve the fixing force.

Further, the lower frame 120 according to the present embodiment may further include a gauze inserting groove 124.

The gauze insertion groove 124 is a groove into which a blood absorbing gauze 20 capable of absorbing blood to be released is inserted, because hemorrhage may occur from the skin cut by the needle 220.

However, in general, a large amount of blood, which is discharged through the incision by the needle 220, is removed by using separate gauze. In this embodiment, the blood absorbing gauze 20 inserted into the gauze inserting groove 124, Is for absorbing blood released by the movement of the trocar 200 after the trocar 200 is inserted into the body.

As described above, the trocar immobilization apparatus 100 for a trocar according to the present embodiment can elastically reciprocate through the elastic force generated by the elastic member 134, thereby increasing or decreasing the area of the hollow provided in the securing device, So that the fixing and detachment of the fixing member 220 can be performed smoothly.

Further, since the holder 135 is provided, the operation of the user can be simplified, and the adhesive force of the adhesive tape 10 can be improved when the trocar 200 is inserted into the body. Since the gauze 20 for absorbing blood is also provided, it is possible to remove bleeding which may occur after the trocar 200 is inserted into the body. Therefore, it is easy to secure a visual field by the blood during the operation, .

Hereinafter, a trocar assembly 1000 including the trocar immobilization apparatus 100 according to another embodiment of the present invention will be described.

Figure 5 illustrates a trocar assembly 1000 having a trocar fixation device 100 for a trocar according to another embodiment of the present invention.

5, the trocar assembly 1000 according to the present embodiment includes a trocar 200 and a trocar immobilization apparatus 100, and includes a trocar 200 and a trocar support fixture for a trocar 100).

The trocar 200 cuts the body into a minimum portion in advance before inserting a surgical instrument such as an endoscope into the body and forms a passage into which a surgical instrument can be inserted. The sleeve 210 and the cutter 220 .

The sleeve 210 is inserted into and fixed to the inside of the body through the navel of the patient or a skin incision. The sleeve 210 has a hollow cylindrical shape made of an elastic material.

Since the sleeve 210 is made of an elastic material, the insertion of the sleeve 210 into the body is not smoothly performed. Further, after the sleeve 210 is engaged with the body 300, Difficulties arise.

To prevent this, the sleeve 220 may be inserted into the sleeve 220.

The insert 220 presses the inner circumferential surface of the sleeve 210 when the sleeve 210 is inserted to maintain the outer shape of the elastic sleeve 210 so that the sleeve 210 is smoothly inserted into the body through the umbilicus or skin incision. And after the insertion of the sleeve 210 is completed, the main body 300 is released from the pressurized state of the sleeve 210 so that the main body 300 can be coupled to the sleeve 210 and is smoothly separated from the sleeve 210 .

At this time, a blade is provided at one end of the plunger 220 to allow the trocar 200 to be inserted into the body and to form a skin incision window.

The trocar locking fixture 100 is provided at the upper end of the sleeve 210 and is a device for inserting and fixing the trocar insertion needle 220 and releasing the toe 220 upon disconnection.

In this case, the trocar immobilization device 100 for a trocar may be provided in a ring shape, and the hollow area formed therein may be adjusted so as to increase or decrease so as to fix the foot 220 or smoothly separate the foot 220 from the sleeve 210 .

The details of increasing or decreasing the hollow area of the trocar locking device 100 are the same as those described with respect to the trocar locking device 100 according to the embodiment of the present invention, and a detailed description thereof will be omitted.

Meanwhile, the trocar assembly 1000 according to the present embodiment may further include a main body 300.

The body 300 is coupled to the trocar immobilization device 100 for the trocar after the trocar insertion 220 is separated from the trocar 200 and is inserted through the sleeve 210 with the laparoscopic surgical instrument inserted therein .

As described above, according to the present embodiment, the trocar assembly 1000 having the trocar holding apparatus 100 for a trocar is formed by the elastic member 134, like the trouser holding apparatus 100 for a trocar described above The elasticity of the elasticity of the elastic body makes it possible to increase and decrease the area of the hollow provided in the fixing device.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is obvious to those who have. Accordingly, it should be understood that such modifications or alterations should not be understood individually from the technical spirit and viewpoint of the present invention, and that modified embodiments fall within the scope of the claims of the present invention.

10: Adhesive tape
20: Gauze for absorbing blood
100: Fixing device for Trocar
110: upper frame
120: Lower frame
122: tape coupling groove
124: gauze insert groove
130: fixed unit
132: first retaining ring
133: second retaining ring
134: elastic member
135: Holder
136: projection
200: Trocar
210: Sleeve
220: Throwing
300:
1000: Trocar assembly

Claims (9)

A trocar fixation device for a trocar, which is mounted on a trocar having a sleeve and a foot to facilitate fixing and disengagement of the foot,
A ring-shaped upper frame having a hollow for insertion of the needle;
A lower frame coupled to the upper frame and having a hollow corresponding to the cavity formed in the upper frame; And
And a fixing unit disposed between the upper frame and the lower frame so as to increase or decrease the area of the hollow formed in each of the upper frame and the lower frame,
The fixed unit includes:
A first fixation part for increasing and decreasing an area of the overlapping cross section by elastically reciprocatingly supporting the elastic members so as to overlap the cross-sectional portions so that the cross- Ring and a second retaining ring,
Fixing device for trocar.
delete The method according to claim 1,
Wherein the first stationary ring and the second stationary ring are arranged in the same direction,
And is integrally provided with a holder protruding to the outer side of at least one of the upper frame and the lower frame so as to increase and decrease the area of the cross section by pressing and elastically reciprocating by the user, doing,
Fixing device for trocar.
The method of claim 3,
The first retaining ring and the second retaining ring may be formed of a metal,
And a protrusion protruding in a direction opposite to the center of the hollow and integrally formed with each of the first retaining ring and the second retaining ring and having a plurality of elastic members inserted therein to support the holder Lt; RTI ID = 0.0 >
Fixing device for trocar.
The method according to claim 1,
Wherein the lower frame comprises:
And a tape coupling groove on which an adhesive tape to be attached to the body can be provided so as to fix the trocar.
Fixing device for trocar.
6. The method of claim 5,
The pressure-
Wherein the lower frame is provided concentrically along an outer diameter of the lower frame,
Fixing device for trocar.
The method according to claim 1,
Wherein the lower frame comprises:
Characterized in that it further comprises a gauze inserting groove on which a blood absorbing gauze to be discharged to the outside of the body can be provided.
Fixing device for trocar.
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