CN209826836U

CN209826836U - Suturing device for endoscope and endoscope forceps

Info

Publication number: CN209826836U
Application number: CN201821473183.9U
Authority: CN
Inventors: 牟秋霖
Original assignee: LUZHOU TCM HOSPITAL
Current assignee: LUZHOU TCM HOSPITAL
Priority date: 2018-09-10
Filing date: 2018-09-10
Publication date: 2019-12-24
Anticipated expiration: 2028-09-10

Abstract

The utility model discloses a suturing device for an endoscope, which comprises an endoscope nail and an endoscope ring; the endoscope nail comprises a nail head and a nail body fixedly connected with the nail head, and the nail body is provided with at least one axial limiting one-way limiting device; the cavity mirror ring is of a hollow annular structure, the cavity mirror ring can penetrate into the cavity mirror nail from one end far away from the nail head and is extruded to pass through the one-way limiting device to be close to the nail head, and the cavity mirror ring is axially fixed on the cavity mirror nail by the one-way limiting device; the endoscope nail and the endoscope ring are arranged at two sides of the operation port, and the operation port can be sutured by sequentially passing the endoscope nail through the operation port and the endoscope ring; the suturing device replaces the traditional needle and thread suturing mode, so that the suturing mode is simpler, the surgical opening is more compact to suture, and the adhesion between the postoperative surgical opening and the visceral organs is reduced.

Description

Suturing device for endoscope and endoscope forceps

Technical Field

The utility model belongs to the technical field of medical instrument and specifically relates to a suturing device for chamber mirror.

Background

Laparoscopic surgery is a newly developed minimally invasive method and is a necessary trend for the development of future surgical methods. With the increasingly deep concept of minimally invasive surgery and the progress of instrument surgery and operation technology, the television assisted endoscopic surgery has been widely applied to clinic. The endoscopic surgery has high technical requirements, complex operation and a plurality of instruments used in the surgery, wherein the endoscopic needle holder is a needle holder which is conventionally used in the process of performing minimally invasive surgery. Because the minimally invasive surgery has small incision and limited visual field, a plurality of instruments are frequently used for matching operation in the surgery process, and the surgical instruments are frequently replaced. The existing needle holder is of a long-handle clamp structure, and needs to pass through during continuous sewing: holding the needle, entering the body cavity, inserting the needle, adjusting the suture depth, withdrawing the needle, withdrawing the body cavity, holding the needle again, and the steps are complicated; in addition, the operation field needs to be rigidly entered and exited during the continuous suture, so that the sight line is inevitably blocked and the operation is influenced; in addition, in some special parts, due to limited space, the suture depth is difficult to hold when the needle is inserted by one hand under the endoscope, and the suture tissue is easy to be excessively pulled to cause tearing or bleeding, thereby affecting the safety and efficiency of the operation.

In the prior art, chinese patent CN108294795A discloses a portable needle holding and suturing device for endoscope, which includes a handle body and an arc-shaped suture needle, wherein a pair of rotating forceps arms that are matched with each other is disposed at a first end of the handle body, a first driving device and a second driving device that drive inner ends of the pair of rotating forceps arms to make a circular rotation motion around the handle body are respectively disposed at a second end of the handle body, a needle passing hole through which the arc-shaped suture needle passes is disposed at an outer end of the rotating forceps arms, a one-way limiting device that limits the arc-shaped suture needle to make a one-way pass is disposed in the needle passing hole, and thread passing grooves through which the suture thread exits are respectively disposed at lateral portions of the needle passing hole. Although the patent simplifies the suture process to a certain extent, the adopted suture is needle and thread, the needle and the thread need to shuttle back and forth between the operation openings, and the forceps arm is continuously rotated, so the suture process is still complicated; in addition, the suture needle is easy to operate by mistake to damage the thread, thereby causing the thread to break and to be sutured again, delaying the illness state and influencing the efficiency.

In the prior art, chinese patent CN202096255U discloses a gastric gripping tongs, which is composed of an insulating sleeve, a tong seat, a rotating wheel sleeve, a pressure spring, a ball, a fixed sleeve, a limit seat, a rotating shaft, a nut, a pull rod seat, a pull rod groove, a connecting bolt, a fixed handle, a movable handle, a pull rod connecting shaft, and a pull rod, and is further provided with two V-shaped tongs, a release groove, a lossless tooth form, a pull rod connecting pin, a tong seat, a tong rod, a connecting pin, and two connecting plates, wherein the two V-shaped tongs are provided with a release groove and lossless gripping teeth, the release groove and the lossless gripping teeth are mutually matched, the two V-shaped tongs are mutually crossed and fixed on the tong seat through the tong connecting pin at the crossing position, the bottom ends of the two V-shaped tongs are respectively fixed on the two connecting plates through the connecting pins, and the two connecting plates are fixed; the device is convenient to use, good in effect and safe in the process of the laparotomy.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve traditional needle and thread sewing up complex operation's technical problem and provide an easy operation's for chamber mirror sewing device and chamber mirror pincers, the pincers seat, the tong pole and the forceps holder of prior art stomach nipper do the utility model discloses adopt.

The utility model adopts the technical proposal that: the suturing device for the endoscope comprises an endoscope nail and an endoscope ring; the endoscope nail comprises a nail head and a nail body fixedly connected with the nail head, and the nail body is provided with at least one axial limiting one-way limiting device; the cavity mirror ring is of a hollow annular structure, the cavity mirror ring can penetrate into the cavity mirror nail from one end far away from the nail head and is extruded to be close to the nail head through the one-way limiting device, and the cavity mirror ring is axially fixed on the cavity mirror nail through the one-way limiting device. The endoscope nail and the endoscope ring are arranged on two sides of the operation port, and the operation port can be sutured by sequentially passing the endoscope nail through the operation port and the endoscope ring. The traditional needle and thread suturing operation opening needs the needle and thread to continuously shuttle among the operation openings, and the operation is complicated; because the laparoscopic surgery can only carry out the suture of the surgical opening through the display screen, the back and forth shuttle of the needle and the line can easily block the sight and influence the operation; the sewing depth is not well controlled; when the surgical incision is sutured by the needle and the thread, the suture is required to be continuously pulled to ensure that the surgical incision is sutured tightly, but the pulling force cannot be too large, and the bleeding of the tissue of the surgical incision is easily caused by the large pulling force, so that the surgical safety is influenced; therefore, the sutured surgical opening is loose, which causes the tissue of some surgical openings to adhere to the viscera under the condition of gravity. In order to improve the defect of traditional needle and thread suture, the suturing device replaces the traditional needle and thread suture mode through the endoscope nail and the endoscope ring, does not need to shuttle back and forth at the operation port repeatedly, so that the suture mode is simpler, the device enables the operation port to be more compact in suture, the operation port is tighter, and the adhesion between the operation port and the visceral organs after the operation is reduced.

Furthermore, the one-way limiting device is a conical protruding block which is axially arranged along the nail body, the conical head of the conical protruding block is far away from one end where the nail head is located, the conical protruding block can be a frustum, preferably a conical frustum, and the device is simple and convenient to operate.

Further, the nail body is axially provided with at least two one-way limiting devices, the distance a between the end parts of the two adjacent one-way limiting devices is equal to the thickness of the endoscope ring in a natural state, and the endoscope ring can be further fixed, so that the stability of suturing the surgical incision is improved.

Furthermore, one end of the nail body, which is far away from the nail head, is conical, when the cavity mirror ring approaches the cavity mirror nail, the conical nail head enables the contact between the cavity mirror nail and the cavity mirror ring to be gradually increased from a point to a surface, and the cavity mirror nail and the cavity mirror ring can be pre-positioned, so that the precision of the device is improved.

Furthermore, one-way stop device and nail body integrated into one piece improve the stability of chamber mirror nail.

Further, chamber mirror nail and chamber mirror ring adopt absorbable flexible material for chamber mirror nail and chamber mirror ring have certain elasticity, make things convenient for chamber mirror nail to pass chamber mirror ring, and chamber mirror nail and chamber mirror ring that absorbable material made need not dismantle the processing after the art mouth sews up, have higher degradability.

Furthermore, the absorbable flexible material is PLA polylactic acid, is nontoxic and tasteless, has higher degradability and is harmless to human organs.

The endoscope forceps comprise a forceps seat, a forceps rod and two V-shaped forceps jaws, wherein a first fixing device for fixing an endoscope nail is arranged on one forceps jaw, and a second fixing device for fixing an endoscope ring is arranged at a corresponding position on the other forceps jaw. The endoscope forceps can fix the endoscope nail and the endoscope ring and then go deep into the human body through a minimally invasive opening to perform surgical opening suture repair, and the device is simple in structure and enables surgical opening suture repair to be more convenient.

Further, the first fixing device comprises a first sliding chute in clearance fit with the nail head, and a first limiting block is arranged at the opening of the first sliding chute; the second fixing device comprises a second sliding groove in clearance fit with the endoscope ring, a second limiting block is arranged at the opening of the second sliding groove, an endoscope hole which is communicated with the endoscope ring and is matched with the endoscope ring in inner diameter is formed in the forceps holder, the fixing device is convenient for fixing the endoscope nail and the endoscope ring, and the surgical opening can be better unfolded to be sutured. The device does not need to additionally arrange a limiting device to fix the endoscope nail and the endoscope ring, and the endoscope nail and the endoscope ring can be fixed by being placed in the first chute and the second chute; treat that to sew up and to take out chamber mirror pincers that can be convenient through first spout and second spout after the completion, simple structure, convenient operation.

The utility model has the advantages that: compared with the traditional needle and thread sewing mode, the suturing device for the endoscope and the endoscope forceps of the utility model make the suturing mode simpler, make the operation mouth suture more tightly, and reduce the adhesion between the operation mouth and the visceral organs after the operation; the cavity mirror forceps do not need to be additionally provided with a limiting device to fix the cavity mirror nail and the cavity mirror ring, and are simple in structure and convenient to operate.

Drawings

Fig. 1 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 2 is the utility model discloses chamber mirror nail structure sketch map of embodiment one.

Fig. 3 is a cross-sectional view C-C in fig. 2.

Fig. 4 is a schematic view of a cavity mirror ring structure according to the first embodiment of the present invention.

Fig. 5 is a top view of fig. 4.

Fig. 6 is a partial enlarged view of a in fig. 1 (the endoscopic nail and the endoscopic ring are not shown).

Fig. 7 is a schematic view of fig. 6 from direction B.

Labeled as: 1. an endoscope nail; 2. a cavity mirror ring; 3. a nail head; 4. a nail body; 5. a one-way limiting device; 6. a clamp base; 7. A clamp lever; 8. clamping jaws; 9. a first chute; 10. a first stopper; 11. a second chute; 12. a second limiting block; 13. a cavity mirror hole; a. the distance between the end parts of the adjacent one-way limiting devices.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Example one

As shown in fig. 2, 3, 4 and 5, the suturing device for endoscope of the present invention comprises an endoscope nail 1 and an endoscope ring 2; the endoscope nail 1 comprises a nail head 3 and a nail body 4 fixedly connected with the nail head 3, the endoscope ring 2 is of a hollow structure, and the nail body 4 is axially provided with at least one-way limiting device 5; the inner wall of the cavity mirror ring 2 is in clearance fit with the one-way limiting device 5, and the cavity mirror nail 1 can pass through the cavity mirror ring 2 in one way; the cavity mirror ring 2 penetrates through the cavity mirror nail 1 and can approach the nail head 3 by extruding the one-way limiting device 5, and the one-way limiting device 5 can automatically fix the penetrating cavity mirror nail 1; the one-way limiting device 5 is an umbrella-shaped convex block which is axially arranged along the nail body 4; the nail body 4 is axially provided with at least two one-way limiting devices 5, and the distance a between the end parts of the one-way limiting devices 5 is the thickness of the endoscope ring 2; one end of the nail body 4 far away from the nail head 3 is conical; the one-way limiting device 5 and the nail body 4 are integrally formed; the endoscope nail 1 and the endoscope ring 2 are made of absorbable flexible materials; the absorbable flexible material is PLA polylactic acid.

Take TAPP (trans-abdominal anterior prosthetic) operation as an example, which is called laparoscopic hernia repair for short. The operation needs to be performed at an opening of the abdomen of a human body, the laparoscope is deeply inserted into the human body, the operation is performed by observing the display, and the peritoneum needs to be sutured after the operation is finished. Will when the peritoneum is sewed up the utility model discloses a peritoneum skill mouth's both sides are arranged in to chamber mirror nail 1 and chamber mirror ring 2, pass peritoneum and chamber mirror ring 2 with chamber mirror nail 1 in proper order, one-way stop device 5 can be passed through one-way stop device 5 of extrusion to chamber mirror ring 2, treat that chamber mirror ring 2 passes one-way stop device 5 after, one-way stop device 5 can carry on spacingly and fixed to chamber mirror ring 2, and the peritoneum is sewed up of peritoneum is accomplished by the centre gripping between chamber mirror ring 2 and chamber mirror nail 1 this moment.

Example two

As shown in fig. 1 to 7, the endoscopic forceps of the present invention is used in combination with the endoscopic suturing device of the first embodiment, the endoscopic forceps includes a forceps base 6, a forceps rod 7 and two V-shaped forceps holders 8, a first fixing device for fixing the endoscopic nail 1 is disposed on one forceps holder 8, and a second fixing device for fixing the endoscopic ring 2 is disposed at a corresponding position on the other forceps holder 8; the first fixing device comprises a first sliding groove 9 in clearance fit with the nail head 3, and a first limiting block 10 is arranged at the opening part of the first sliding groove 9; the second fixing device comprises a second sliding groove 11 in clearance fit with the cavity mirror ring 2, a second limiting block 12 is arranged at the opening of the second sliding groove 11, and a cavity mirror hole 13 which is communicated with the cavity mirror ring 2 and is matched with the cavity mirror ring 2 in inner diameter is formed in the forceps clip 8.

Before the peritoneum is sutured, the cavity mirror nail 1 is arranged in the first sliding groove 9, the cavity mirror ring 2 is arranged in the second sliding groove 11, the cavity mirror forceps penetrate into a human body through an abdomen opening, the cavity mirror forceps are unfolded to be arranged on two sides of a peritoneum operation opening, the cavity mirror forceps are extruded to enable the cavity mirror nail 1 to sequentially penetrate through the peritoneum, the cavity mirror ring 2 and the cavity mirror hole 13, and the cavity mirror forceps are taken out after the peritoneum is sutured.

Claims

1. A suturing device for a endoscope, characterized in that: comprises an endoscope nail (1) and an endoscope ring (2); the endoscope nail (1) comprises a nail head (3) and a nail body (4) fixedly connected with the nail head (3), and the nail body (4) is provided with at least one-way limiting device (5) for axial limiting; the cavity mirror ring (2) is of a hollow annular structure, the cavity mirror ring (2) can penetrate into the cavity mirror nail (1) from one end far away from the nail head and is extruded to pass through the one-way limiting device (5) and close to the nail head (3), and the cavity mirror ring (2) is axially fixed on the cavity mirror nail (1) through the one-way limiting device (5).

2. The endoscopic stitching device according to claim 1, wherein: the one-way limiting device (5) is a conical lug which is axially arranged along the nail body (4), and the conical head of the conical lug is far away from one end where the nail head (3) is located.

3. The endoscopic stitching device according to claim 1, wherein: the nail body (4) is axially provided with at least two one-way limiting devices (5), and the distance (a) between the end parts of the two adjacent one-way limiting devices (5) is equal to the thickness of the cavity mirror ring (2) in a natural state.

4. The endoscopic stitching device according to claim 1, wherein: the end of the nail body (4) far away from the nail head (3) is conical.

5. The endoscopic stitching device according to claim 1, wherein: the one-way limiting device (5) and the nail body (4) are integrally formed.

6. The endoscopic stitching device according to claim 1, wherein: the endoscope nail (1) and the endoscope ring (2) are both made of absorbable flexible materials.

7. An endoscopic suturing device as defined in claim 6 wherein: the absorbable flexible material is PLA polylactic acid.

8. Endoscopic forceps for use with the endoscopic suturing device of any one of claims 1 to 7, the endoscopic forceps comprising a forceps holder (6), a forceps rod (7) and two V-shaped forceps jaws (8), characterized in that: a first fixing device for fixing the cavity mirror nail (1) is arranged on one clamp (8), and a second fixing device for fixing the cavity mirror ring (2) is arranged on the other clamp (8) at a corresponding position.

9. The endoscopic forceps as defined in claim 8, further comprising: the first fixing device comprises a first sliding chute (9) in clearance fit with the nail head (3), and a first limiting block (10) is arranged at the opening part of the first sliding chute (9); the second fixing device comprises a second sliding groove (11) in clearance fit with the cavity mirror ring (2), a second limiting block (12) is arranged at the opening of the second sliding groove (11), and a cavity mirror hole (13) which is communicated with the cavity mirror ring (2) and is matched with the cavity mirror ring in inner diameter is formed in the forceps holder (8).