KR102864597B1 - Insertion device equipped with automatically opened endo bag - Google Patents

Abstract

An automatic opening endobag insertion device is disclosed. The automatic opening endobag insertion device according to the present invention is characterized by including: an endobag in the form of a pouch having a passage formed along the circumference of an upper opening; an operating rod having a pair of curved springs, each inserted on both sides of an insertion port of the passage and elastically restored to open the opening, coupled to an end thereof; an inner tube having the operating rod inserted therein so that the spring protrudes forward and guides the rearward sliding of the operating rod; an outer tube having the folded endobag and the inner tube inserted therein so that they can slide and be introduced into the abdominal cavity; and a fixing tube that is fixedly fitted around the circumference of the spring when the operating rod slides rearward in a state where the tube is penetrated by the operating rod and suppresses the elastic restoration of the spring. According to the present invention, the opening of the endobag can be automatically opened without damage by the elastic recovery of the spring without using surgical forceps, etc., thereby promoting the convenience of handling incised tumors, etc. and intra-abdominal surgical operations, and even if the operating rod and the spring are completely separated from the inner tube, the sudden elastic recovery of the spring is suppressed, so that safety accidents caused by the spring can be effectively prevented.

Description

INSERTION DEVICE EQUIPPED WITH AUTOMATICALLY OPENED ENDO BAG

The present invention relates to an automatic opening type endo-bag insertion device, and more specifically, to an automatic opening type endo-bag insertion device that can easily seal and safely remove exudates and the like generated during laparoscopic surgery.

Many surgical procedures that were previously performed through open surgery are being widely replaced by laparoscopic surgery, which minimizes the incision in the body by utilizing advanced medical equipment through the convergence of miniaturized and precise optical and robotic technologies.

This laparoscopic surgical method is a surgical method that observes the affected area inside the abdominal cavity and performs necessary treatment simultaneously by inserting various surgical tools such as an endoscope, surgical forceps, and cautery into a trocar, a pipe-shaped device inserted from the outside of the body through an incision of several centimeters to reach the affected area inside the body. It is widely used for various surgical operations such as the removal of various tumors or the suturing of perforations.

Here, the trocar may be composed of one end that is inserted and fixed toward the affected area inside the body through a skin incision (incision) formed outside the patient's body, and the other end that is exposed outside the abdominal cavity and has various ports for inserting various surgical instruments.

As described above, trocars are used to guide the insertion of various surgical instruments into the abdominal cavity, and are also used to remove exudates (organs, lumps, tumors, etc.) or body fluids generated by surgical procedures using surgical instruments.

At this time, tumors, etc., that have been incised or removed from the affected area during the surgical procedure are safely removed from the abdominal cavity by being sealed with an endo-bag made of transparent vinyl material inserted through the port of the trocar to prevent infection of the surrounding body tissues.

In relation to the above endobag, Korean Patent Publication No. 10-2015-0005889 (publication date: January 15, 2015) discloses a technology comprising an injection stick having a handle formed at the rear end, an extraction bag having a spring attached to the front end of the injection stick and having a spring attached to the upper part that is opened in a triangular shape, and a guide tube that maintains the extraction bag in a state of being wound around the spring and allows the injection stick to move back and forth.

According to this prior art, when a tumor, etc., is to be removed externally during a surgical procedure, the endo bag is inserted into the passage of the trocar housing and advanced, so that the extraction bag comes out of the guide tube and opens with spring elasticity, so that the incised tumor, etc. can be easily stored, and the extraction bag can be easily removed externally by the pulling operation of the injection stick.

However, in the prior art, after the tumor, etc. is placed in the extraction bag, the extraction bag is not completely closed by the pulling operation of the injection stick, but only partially closed by the elastic deformation of the spring pressed by the guide tube, and since the pulled extraction bag may be taken out in a damaged state by the guide tube, a part of the tumor, etc. may leak out of the extraction bag during the removal process.

In particular, caution is required because if crushed gallstones or bile, such as those extracted using surgical scissors or forceps, leak out of the extraction bag, it can cause serious problems such as contamination or infection of the surgical site inside the abdominal cavity.

Therefore, there is a need for research and development on an endobag insertion device that can safely remove the extracted material stored inside the extraction bag and prevent or mitigate the risk of safety accidents to medical staff that may occur due to the spring bouncing due to elastic recovery when the spring is completely separated from the guide tube by the pulling operation of the injection stick.

Republic of Korea Patent Publication No. 10-2015-0005889 (Published: January 15, 2015)

The purpose of the present invention is to provide an automatic opening endobag insertion device that can easily seal exudates generated during laparoscopic surgery using an endobag that is automatically opened by the operation of a plate spring after being inserted into the abdominal cavity, safely remove them to the outside, and enable safe removal of the plate spring.

The above object is achieved by an automatic opening endobag insertion device characterized by including: a pouch-shaped endobag having a passage formed along the circumference of an upper opening; an operating rod having a pair of curved springs connected to an end thereof, which are inserted on both sides of an insertion port of the passage and elastically restored to open the opening; an inner tube having the operating rod inserted therein so that the spring protrudes forward and guides the rearward sliding of the operating rod; an outer tube having the folded endobag and the inner tube inserted therein so that they can slide and are introduced into the abdominal cavity; and a fixing tube which is fixedly fitted around the circumference of the spring when the operating rod is slid backward in a state penetrated by the operating rod and suppresses the elastic restoration of the spring.

The inner tube may include a front cap coupled to one end to suppress forward sliding of the operating rod and having a pair of slits formed therethrough for forward protrusion of the spring; a rear cap coupled to the other end to be gripped by a user; and a hook protruding from the rear cap to suppress movement of the fixed tube so that the fixed tube is fixed to the spring when the operating rod slides backward.

The above fixed tube may include a fitting tube that is deformed to fit around the circumference of the spring that is elastically deformed by the inner tube when the operating rod slides backward; and a ring-shaped catching tube that is formed at the rear of the fitting tube and is caught by the catching hook when the operating rod slides backward, and then forces the fitting tube to be firmly fitted around the circumference of the spring during the process of being removed.

The above-mentioned hook may be manufactured integrally with the fitting tube using polycarbonate, nylon or Teflon, or manufactured separately and then combined, so that the fixed tube can slide smoothly with respect to the operating rod, and a round portion may be formed on one surface that comes into contact with the hook to enable smooth detachment from the hook.

The above endobag insertion device may further include a traction line having one end positioned in a loop shape along the passage and the other end positioned outside the abdominal cavity to close the opening opened by traction, and the inner tube may further include a guide hole formed through the front cap so that the other end of the traction line is positioned between the inner tube and the outer tube.

One end of the above tow line may include a heat-treated flexible stainless steel wire that can be plastically deformed according to an external force and maintain the deformed shape; and a low-friction mesh covering formed by weaving nylon or Teflon fibers with low frictional resistance into a mesh shape on the surface of the wire.

The outer tube is made of a transparent material so that the position of the spring, which can recognize the direction of the opening, can be visually confirmed, the guide hole is formed penetrating in the same or opposite direction as the opening, and the towing line can be made of a color that visually contrasts with the inner tube so that it can be clearly visually confirmed through the outer tube.

According to the present invention, an operating rod combined with a pair of curved springs inserted into a passage of a pouch-type endobag is inserted and installed into an inner tube, and the inner tube is inserted and installed inside an outer tube together with an elastically deformed spring and a folded endobag, and then the operating rod and the inner tube slide forward with respect to the outer tube so that the endobag protrudes within the abdominal cavity, so that the opening of the endobag can be automatically opened without damage by the elastic restoration of the spring without using surgical forceps, etc., and accordingly, an incised tumor, etc. can be easily stored in the endobag, thereby promoting convenience in intraperitoneal surgical operations.

In addition, since the fixed tube, which is provided in a state of being penetrated by the operating rod, is fitted and fixed around the spring according to the rearward sliding of the operating rod, even if the operating rod and the spring are completely separated from the inner tube, the sudden elastic recovery of the spring is suppressed, so that safety accidents caused by the spring can be effectively prevented.

Figure 1 is a perspective view before use of an automatic opening endobac injection device according to an embodiment of the present invention.
Figure 2 is a perspective view showing the endobag in an open state for use of the endobag insertion device illustrated in Figure 1.
Figure 3 is an exploded perspective view of the endobag injection device illustrated in Figure 2.
Figure 4 is a side cross-sectional view and a plan cross-sectional view taken based on Figure 2.
Figure 5 is a usage diagram showing the process of removing the excised material outside the abdominal cavity by using the endobag insertion device illustrated in Figure 1, step by step.
Figures 6 to 8 are operating diagrams showing the specific operation between the fixed tube and the catch spring (122) step by step during the process of separating the operating rod and spring in Figure 5.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings. However, in describing the present invention, descriptions of functions or configurations already known will be omitted to clarify the gist of the present invention.

FIG. 1 is a perspective view of an automatic opening endobag insertion device according to an embodiment of the present invention before use, FIG. 2 is a perspective view showing an endobag opened for use of the endobag insertion device shown in FIG. 1, FIG. 3 is an exploded perspective view of the endobag insertion device shown in FIG. 2, FIG. 4 is a side sectional view and a plan sectional view cut along the line of FIG. 2, FIG. 5 is a use state diagram showing step by step a process for removing a resected material to the outside of the abdominal cavity using the endobag insertion device shown in FIG. 1, and FIGS. 6 to 8 are operation state diagrams showing step by step the specific operation between the fixed tube and the catching hook during the process of separating the operating rod and the spring in FIG. 5.

In the description of the invention and the scope of claims, the terms "upper" (top), "lower" (bottom), "left/right" (side or lateral), "front" (front), and "back" (back, rear) indicating directions are not intended to limit rights but are determined based on the relative positions between drawings and configurations for the convenience of explanation. The three axes can rotate and change in correspondence with each other, and this shall apply unless otherwise specifically limited.

The automatic opening endo-bag insertion device (100) according to the present invention is an invention devised to automatically open the opening (112) of the endo-bag (110) inside the abdominal cavity by the elastic force of the spring (122) without using surgical forceps or the like, and to fundamentally prevent safety accidents during use due to sudden elastic recovery when the spring (122) is separated, while safely removing the extracted material (T) stored in the endo-bag (110) outside the abdominal cavity without external leakage.

In order to specifically implement the functions or actions described above, the automatic opening endobag insertion device (100) according to the embodiment of the present invention may be configured to include an endobag (110), an operating rod (120), an inner tube (130), an outer tube (140), a fixing tube (150), and a towing line (160), as shown in FIGS. 1 to 4.

Below, the above-described configurations will be described in detail.

First, the endobag (110) is a component used to contain excised material (T, organ, lump, tumor) cut from body tissue during laparoscopic surgery, and can be manufactured in the form of a pouch with an opening (112) formed on the upper side, as shown in FIGS. 2 to 4.

At this time, the upper part of the endo bag (110) can be joined or bonded while being folded downwards so that a passage (114) is formed on the inside along the perimeter of the opening (112).

In this passage (114), a pair of curved springs (122) coupled to an operating rod (120) to be described later can be inserted and installed, and one end (160a) of a towing line (160) to be described later can be arranged in a noose shape.

As the opening (112) of the endo bag (110) can be supported in an open (unfolded) state due to the elastic restoration of the spring (122) installed in the passage (114) as above, the excised material (T) cut from within the abdominal cavity can be safely and easily stored in the endo bag (110) through the open opening (112) as shown in (c) of FIG. 5.

And, due to the tow line (160) installed in the passage (114), the opening (112) of the endobag (110) can be closed (tightened) by being folded into a wrinkle shape according to the pulling operation of the tow line (160) as shown in (d) of FIG. 4.

The endobag (110) according to an embodiment of the present invention can be formed by cutting a thin film in the form of a roll, which can be rolled or unrolled, and made of latex, silicone, or polyethylene resin that is harmless to the human body, and then bonding or fusing it.

At this time, the inner surface of the passage (114) that comes into contact with the tow line (160) arranged in a noose shape may be coated with medical oil or Teflon material.

Due to this coating, the frictional resistance between the inner surface of the passage (114) and the tow line (160) is reduced, so that the closing (tightening) and opening (unfolding) of the opening (112) can be performed more smoothly and easily.

The operating rod (120) is a thin and long rod-shaped component that is provided to fix and support a spring (122) that automatically opens the opening (112) of the above-described endobag (110) and to remove the spring (122) from the endobag (110), and may be formed by combining a pair of curved springs (122) at the front end.

This operating rod (120) is inserted and installed inside the inner tube (130) described later so that only a pair of curved springs (122) protrude outward, and slides back and forth with respect to the inner tube (130) together with the springs (122) according to the user's operation.

A curved plate spring (122) according to an embodiment of the present invention is formed by a pair of thin curved plate springs facing each other at the end of an operating rod (120) to form an overall ring shape.

As shown in FIG. 3, these curved springs (122) are installed on both sides of the insertion hole (114a) of the above-described passage (114) to perform the operation of forcing and supporting the opening (112) of the above-described endobag (110) to open when no external force is applied.

As shown in (a) of FIG. 1 and FIG. 5, a pair of springs (122) each installed in a passage (114) as described above can be elastically deformed into a straight shape so as to be stored inside an outer tube (140) to be described later together with a folded endo bag (110') and an inner tube (130) before the endo bag insertion device (100) according to the present invention is used for laparoscopic surgery.

And, as shown in (b) of FIG. 2 and FIG. 5, a pair of springs (122) elastically deformed in a straight line perform an operation of automatically opening the opening (112) of the endobag (110) while elastically restoring to a curved shape in the process of protruding from the outer tube (140) when the inner tube (130) and the operating rod (120) described later slide forward after the endobag insertion device (100) according to the present invention is inserted into the abdominal cavity.

The inner tube (130) is a tubular component that guides the rearward sliding of the operating rod (120) and the elastic deformation of the spring (122) by inserting the operating rod (120) into the inner side so that the spring (122) described above protrudes forward, and also performs the function of protruding the endo bag (110') that is folded and stored through forward sliding while inserted into the outer tube (140) described below.

This inner tube (130) can be manufactured as a tube having a predetermined clearance with respect to the cross-sectional diameter of the operating rod (120) so as to support the operating rod (120) from the outside and guide the rearward sliding of the operating rod (120), i.e., the smooth separation or removal of the operating rod (120) and spring (122) as shown in (d) of FIG. 5.

The inner tube (130) according to an embodiment of the present invention may be configured to include a front cap (132), a slit (134), a guide hole (135), a rear cap (136), and a hook (138), as shown in FIG. 3.

The front cap (132) is a component provided at the front of the inner tube (130) to suppress or limit forward sliding of the operating rod (120) and support the protrusion of the spring (122), and may be formed as a cover structure in which one end of the inner tube (130) described above is fitted inside.

This front cap (132) may be configured with a structure including a slit (134) and a guide hole (135) to be described later.

The slit (134) is a component provided in the front cap (132) to allow the pair of springs (122) described above to protrude forward of the inner tube (130) and be inserted into the endobag (110), and can be formed by a pair of slits penetrating the front cap (132) in a shape corresponding to the cross-section of the springs (122).

This slit (134) guides the separation or detachment of the spring (122) by preventing the movement of the end bag (110) when the operating rod (120) and the spring (122) slide backward, and induces a straight-line elastic deformation of the separated spring (122).

The guide hole (135) is a component formed through the edge, not the center, of the front cap (132) to secure the other end (160b) of the towing line (160) to be described later so that it is positioned between the inner tube (130) and the outer tube (140).

At this time, the reason why the guide hole (135) is formed at the edge of the front cap (132) is to ensure that the towing line (160) is located between the inner tube (130) and the outer tube (140) (i.e., the outer side of the inner tube (130)) rather than inside the inner tube (130).

Due to the formation of such a guide hole (135), the towing line (160) can be smoothly towed at a certain position without being twisted or entangled, without interference or obstruction with the operating rod (120), spring (122) and fixed tube (150) described later, which are separated or moved by rearward sliding inside the inner tube (130).

The rear cap (136) is a component provided at the rear of the inner tube (130) to guide the forward and backward sliding of the operating rod (120) and to facilitate the user's grip on the inner tube (130).

This rear cap (136) may be formed as a tubular structure that is coupled to be fitted into the other end of the inner tube (130) described above, and a mounting hole (137) may be formed on one side thereof so that the other end (160b) of the towing line (160), which will be described later, may pass through along the outer side of the inner tube (130).

The hook (138) is a component provided to suppress the movement of the fixed tube (150) so that the fixed tube (150), which will be described later, is fixed to the spring (122) when the operating rod (120) described above slides backward by protruding from the rear cap (136).

These hooks (138) are arranged at equal intervals along the rear end of the rear cap (136), as shown in FIGS. 3 and 4, and at least two or more of them can be formed to protrude in a hook shape toward the operating rod (120).

At this time, the hook shape of the hook (138) is not particularly limited as long as it can be fixed until a certain size of external force is applied to the rear end of the fixed tube (150) protruding outward from the operating rod (120), and thus can be modified in various ways.

The hook-shaped catch hook (138) as described above forces the fixed tube (150) to be described later to be firmly fitted around the entire circumference of the spring (122) moving backward through the following three-step operation.

First, when the extraction material (T) is received in the opening (112) of the endobaek (110) opened by the spring (122) as shown in (c) of FIGS. 4 and 5, and the operating rod (120) is slid backward from the inner tube (120) to separate the spring (122), the hook (138) performs the function of supporting the outer surface of the operating rod (120) so that the backward sliding of the operating rod (120) is stably performed without being distorted or tilted.

At this time, the front end (fitting tube (152)) of the fixed tube (150) is slightly fitted into the bent portion (122a) of the spring (122) as shown in FIG. 6 according to the continuous rearward sliding of the continuous operating rod (120) and the spring (122), so that the fixed tube (150) moves rearward together with the operating rod (120).

Next, the hook (138) performs a hooking operation as shown in Fig. 7 with respect to the rear end (hook tube (154)) of the fixed tube (150) moving rearward together with the operating rod (120), thereby suppressing the movement of the fixed tube (150) while continuously allowing and supporting the rearward sliding of the operating rod (120) and spring (122).

At this time, while the engaging operation of the engaging hook (138) is performed on the rear end (engaging tube (154)) of the fixed tube (150), the spring (122) is successively sliding backwards along the operating rod (120) and the spring (122), so that most of the circumference is gradually completely engaged with the engaged fixed tube (150) (engaging tube (152)), thereby forming a strong engaging force with the fixed tube (150).

As shown above, when the spring (122) is completely fitted around most of the circumference of the fixed tube (150) (fitting tube (152)) to form a strong fitting bond with the fixed tube (150), the fixed tube (150) moves rearward together with the operating rod (120) when the operating rod (120) slides rearward.

Finally, when the spring (122) is completely fitted into the fixed tube (150) to form a strong fitting force with the fixed tube (150), the hook (138) is elastically deformed outward from the operating rod (120) by the fixed tube (150) which moves integrally with the operating rod (120) when the operating rod (120) slides backward as shown in FIG. 8, thereby performing a locking release operation for the rear end of the fixed tube (150) (the hook tube (154)).

After the above-described release operation of the hook (138) is performed, the fixed tube (150) and the operating rod (120) can be completely separated or detached from the inner tube (130) through continuous backward movement, and the elastic restoration of the spring (122) can be firmly suppressed by the fixed tube (150) fitted around the entire circumference of the spring (122).

The outer tube (140) is a tubular component that is inserted into the abdominal cavity while storing and housing the inner tube (130) inserted inside and the folded endobag (110') and guides the sliding of the endobag (110) and the inner tube (130).

This outer tube (140) is manufactured as a tube having an inner diameter larger than the cross-sectional diameter of the inner tube (130) or the folded end bag (110') so as to support the inner tube (130) to be inserted and installed from the outside and guide the forward sliding of the inner tube (130), i.e., the smooth protrusion or withdrawal of the folded end bag (110').

The external tube (140) according to an embodiment of the present invention is manufactured from a transparent material so that the position of the spring (122) that can recognize the direction of the opening (112) of the endobag (110) described above can be visually confirmed, thereby promoting convenience in intraperitoneal surgical operations.

Furthermore, in the case where the outer tube (140) is manufactured from a transparent material as described above, the above-described guide hole (135) is formed in the same or opposite direction as the opening (112) (see FIGS. 3 and 4), and the tow line (160) described later, which is arranged to penetrate the guide hole (135), can be manufactured in a color that visually contrasts with the inner tube (130).

As a result, the direction of the opening (112) of the endo bag (110) described above can be more easily recognized visually, so that the direction can be adjusted appropriately in advance according to the location of the cut explant (T) etc. within the abdominal cavity, and the cut explant (T) can be safely and quickly stored in the endo bag (110), so that the convenience of use can be further improved.

The fixed tube (150) is a tubular component designed to fit and secure a spring (122) that is elastically deformed in a straight shape during the rearward sliding process of the operating rod (120) described above, and has a hollow (151) formed in the center thereof that is penetrated by the operating rod (120).

This fixed tube (150) performs the function of suppressing a pair of springs (122) that are elastically deformed in a straight shape in the inner tube (130) from suddenly elastically restoring to a ring shape when they are completely separated from the inner tube (130) according to the rearward sliding of the operating rod (120) as shown in (d) of FIG. 5.

Due to this, safety accidents that may occur due to the spring (122) during the separation process of the operating load (120) can be structurally and fundamentally prevented.

In order to specifically and smoothly implement the function or action as described above, the fixed tube (150) according to the embodiment of the present invention may be configured to include a fitting tube (152) and a hanging tube (154) that share a hollow (151) penetrated by the operating rod (120), as shown in FIGS. 3 and 4.

The fitting tube (152) is a component provided at the front end of the fixed tube (150) so as to be fitted and fixed around the spring (122) that is elastically deformed into a straight shape by the inner tube (130) (slit (134)) when the operating rod (120) slides backward, and can be manufactured to a length that can wrap part or all of the spring (122) that is elastically deformed into a straight shape.

This fitting tube (152) is manufactured as a thin tube that can slide freely between the operating rod (120) and the inner tube (130) without interference, and can be manufactured as a flexible synthetic resin that can be deformed and fitted into a shape corresponding to a spring (122) that is elastically deformed in a straight shape.

As described above, the insertion tube (152) manufactured and arranged is inserted into the spring (122) that is deformed into a straight shape by the inner tube (130) (slit (134)) while the operating rod (120) slides backwards as shown in (d) and (6) of FIG. 5 to remove the endobag (110) containing the separated extract (T), thereby sliding backwards together with the operating rod (120).

The hook tube (154) is a component provided at the rear end of the fixed tube (150) to force the fitting tube (152) described above to be firmly fitted around the entire circumference of the spring (122) during the process of being caught by the hook hook (138) described above and then being released from the hook hook (138) according to the rearward sliding of the operating rod (120).

In order to implement the function or operation as described above, the hanging tube (154) according to the embodiment of the present invention is not deformed to correspond to the circumference of the spring (122) like the fitting tube (152) described above, but is made of a material such as polycarbonate (PC), nylon (NYLON), or Teflon (PTFE, TEFLON) that can firmly maintain a ring shape at the rear end of the fixed tube (150) and smoothly guide the sliding of the fixed tube (150).

Here, polycarbonate (PC) is an engineering synthetic resin with excellent mechanical strength, heat resistance, and insulation, the highest impact resistance among thermoplastic resins, and physical properties that are stable against moisture and temperature changes.

And nylon (NYLON) is a synthetic resin that has excellent self-lubricating properties, durability, corrosion resistance, insulation, and shock absorption, and Teflon (PTFE, TEFLON) is also a synthetic resin that has excellent self-lubricating properties, water resistance, chemical resistance, and heat resistance.

This fitting tube (154) can be manufactured by extruding or injection molding polycarbonate (PC), nylon (NYLON), or Teflon (TEFLON, PTFE) to a thickness thicker than the fitting tube (152) described above.

At this time, the hanging tube (154) and the thin-walled fitting tube (152) can be formed as a single piece by extrusion or injection molding of polycarbonate (PC), nylon (NYLON), or Teflon (TEFLON, PTFE), or can be formed separately and then joined or bonded to form a fixed tube (150).

Due to the hook tube (154) made of this material, the rear end of the fixed tube (150) can smoothly slide along the operating rod (120) with less resistance between the operating rod (120) and the inner tube (130), and can perform the hooking and detaching operation with respect to the hook hook (138) more smoothly.

Furthermore, in order to enable the hook (138) to be more smoothly and softly detached from the hook (138) after the hooking pipe (154) performs a hooking operation with a predetermined strength, a curved round portion (154a) may be formed on one surface of the hooking pipe (154) that comes into contact with the hook (138) described above.

The traction line (160) is a component provided to close the gaping opening (112) of the endobag (110) in a wrinkled shape through posterior traction (pulling) with respect to the other end (160b) placed outside the abdominal cavity, and can be manufactured as a single thin, freely bendable wire.

One end (160a) of the tow rope (160) can be arranged in a loop-shaped structure passing through the passage (114) described above, as shown in FIG. 3, so that the opening (112) can be folded or opened in a wrinkled shape.

And the other end (160b) of the tow rope (160) may be configured to pass through the loop structure of one end (160a) and then pass through the guide hole (135) and be placed outside the abdominal cavity along the gap between the inner tube (130) and the outer tube (140) described above.

At least one end (160a) of the tow line (160) having the structure described above can be manufactured from a flexible stainless steel wire (162) that is heat-treated so that it can be plastically deformed, that is, bent and maintain a deformed shape, depending on an external force.

Due to this, the user can freely open and close the opening (112) of the endobag (110) from which the spring (122) has been removed in various shapes using surgical forceps, etc., as shown in (e) of Fig. 5, thereby increasing convenience in use.

And on the outside of the tow line (160), a predetermined mesh covering (164) may be formed by weaving nylon fibers or Teflon fibers of a fluororesin series such as PTFE (Poly Tetra Fluoro Ethylene) or PFA (PerFluoro Alkoxy) with the characteristics of chemical resistance, heat resistance, wear resistance, non-adhesion, insulation stability, and low friction onto the surface of the iron wire (162) described above in the form of a mesh net.

As the mesh covering (164) is woven onto the outer surface of the steel wire (162) as described above to form a tow rope (160), the tow rope (160) can maintain low-friction performance for a longer period of time with greater sturdiness and durability compared to chemical coating, deposition, or oil application.

In addition, this tow line (160) enables smooth and easy towing with little frictional resistance against the inner surface of the passage (114) of the endobag (110), thereby allowing the opening (112) of the endobag (110) to be closed quickly and easily.

While specific embodiments of the present invention have been described and illustrated above, it will be apparent to those skilled in the art that the present invention is not limited to the described embodiments, and that various modifications and variations can be made without departing from the spirit and scope of the present invention. Accordingly, such modifications or variations should not be understood individually from the technical spirit or perspective of the present invention, and such modified embodiments should fall within the scope of the claims of the present invention.

T: Extracted material
100: Automatic opening endobag inserter
110,110': Endobag, folded endobag
112: Opening
114: Passage
114a: Insertion hole
120: Operating load
122: Spring
122a: Bent section
130: Inner tube
132: Front cap
134: Slit
135: Guide Hall
136: Rear cap
137: Geochi Hall
138: Hook
140: External body
150: Fixed tube
151: Hollow
152: Fitting tube
154: Hanging tube
154a: Round section
160: Tow rope
160a: First part
160b: Other end
162: Iron wire
164: Mesh covering

Claims (7)

An endobag in the form of a pouch having a passage formed along the circumference of an upper opening; an operating rod having a pair of curved springs connected to an end thereof, which are inserted on both sides of the insertion port of the passage and elastically restored to open the opening; an inner tube having the operating rod inserted therein so that the spring protrudes forward and guides the rearward sliding of the operating rod; an outer tube having the folded endobag and the inner tube inserted therein so that they can slide and are invaded into the abdominal cavity; and a fixing tube which is fixedly fitted around the circumference of the spring when the operating rod is slid backward in a state penetrated by the operating rod and suppresses the elastic restoration of the spring.
The above inner tube is,
A front cap coupled to one end to suppress forward sliding of the operating rod and having a pair of slits formed therethrough for forward protrusion of the spring;
A rear cap that is attached to the other end and gripped by the user; and
An automatic opening endobacc injection device characterized by including a hook that protrudes from the rear cap and suppresses movement of the fixed tube so that the fixed tube is fixed to the spring when the operating rod slides backward. delete In the first paragraph,
The above fixed tube,
A fitting tube that is deformed to fit around the circumference of the spring that is elastically deformed by the inner tube when the operating rod slides backward; and
An automatic opening endobac insertion device characterized by including a ring-shaped hook formed at the rear of the fitting tube and caught by the hook by the rear sliding of the operating rod, and forcing the fitting tube to be firmly fitted around the spring during the subsequent detachment process. In the third paragraph,
The above hanging tube is,
In order for the fixed tube to slide smoothly with respect to the above operating rod, it is manufactured integrally with the fitting tube using polycarbonate, nylon or Teflon, or manufactured separately and then combined.
An automatic opening endobaek insertion device characterized in that a round portion is formed on one side that comes into contact with the hook to enable smooth removal from the hook. In the first paragraph,
The above endobag injection device is,
It further includes a traction line, one end of which is arranged in a loop shape along the passage, and the other end is arranged outside the abdominal cavity to close the opening opened by traction.
The above inner tube is,
An automatic opening endobac insertion device characterized in that it further includes a guide hole formed through the front cap so that the other end of the tow line is positioned between the inner tube and the outer tube. In paragraph 5,
One end of the above tow rope,
A heat-treated flexible stainless steel wire that can be plastically deformed and maintain the deformed shape according to an external force; and
An automatic opening endobaek insertion device characterized by including a low-friction mesh covering formed by weaving nylon or Teflon fibers with low frictional resistance into a mesh form on the surface of the steel wire. In paragraph 5,
The above external body is,
It is made of a transparent material so that the position of the spring that can recognize the direction of the opening can be visually confirmed,
The above guide hole is formed through the opening in the same or opposite direction,
The above tow line is,
An automatic opening endobac injection device characterized in that it is manufactured in a color that visually contrasts with the inner tube so that it can be visually clearly confirmed through the outer tube.