CN113558687A - Disposable abdominal wall suture tissue suspension device - Google Patents

Abstract

The invention discloses a disposable abdominal wall suture tissue suspender, which belongs to the technical field of medical supplies and comprises a wire gripper, a suture suspender and a wire fixing device, wherein the wire gripper comprises a wire gripper handle, a wire gripping pusher, a wire gripping claw and a needle body, the wire gripping pusher is a sliding push rod arranged on the lateral peripheral surface of the wire gripping handle, the wire gripping pusher is pushed by a thumb along a central shaft towards the direction of the needle body, and the wire gripping claw slides out of the needle body and is opened; the sewing suspender comprises a suspending disc, a suspending cotton thread and a sewing needle, wherein one end of the suspending cotton thread is fixedly connected with the suspending disc, and the other end of the suspending cotton thread is integrally and fixedly connected with the sewing needle; according to the invention, through the suspension disc, the most effective suspension position of the abdominal wall is accurately determined from the inside of the abdomen to the outside of the abdomen, and the accurate suspension is realized after the line grabbing device is matched to grab the line to be led out of the abdomen, so that the method is more accurate, more effective and safer, has wider application scenes, is more beneficial to the exposure of the operative field, improves the safety and efficiency of the operation, and has the suture function of minimally invasive incision of the abdominal wall.

Description

Disposable abdominal wall suture tissue suspension device

Technical Field

The invention relates to the technical field of medical supplies, in particular to a disposable abdominal wall suture tissue suspender.

Background

In laparoscopic minimally invasive surgery, other various tissues and organs overlapped on target tissues and organs in an abdominal cavity are often required to be separated and suspended, so that the surgical field of vision can be better exposed, and the target surgery can be clearly and safely performed. The traditional method comprises the following steps: 1. the patient is moved to change his posture (e.g., Trendelenburg position) to obtain a better surgical field, which is inconvenient and may cause more trauma to the patient; 2. by adding abdominal wall puncture pore channels (such as 5mm and 10mm puncture outfits), some special surgical instruments are placed, and hands are added to poke tissues, so that the purpose of exposing the surgical field is achieved, abdominal incisions are increased, wounds are increased, labor force of doctors is increased, and cost is increased; 3. according to the experience of doctors, one end of an operation suture is fixed on a tissue to be suspended, and the other end of the operation suture is led out of the abdominal wall to be drawn and fixed to realize suspension, which is a common 'soil method' for most surgeons at present, is simple and effective, but lacks standardization and a special suspension fixing device, and has great effect difference; 4. the method introduced by other patents, such as the commodity introduced and converted by the publication No. CN 105286931B, can effectively realize the tissue suspension of partial operation scenes under the conditions of not obviously increasing trauma and not increasing labor force, but because the operation principle is that the operation is carried out from the abdominal exterior to the abdominal interior, the precision is lacked, the tissue suspension can not be realized in most operation scenes, and in addition, the product has no abdominal wall minimally invasive incision suture function.

Therefore, a brand new principle and a brand new operation mode need to be invented, and the product does not occupy a minimally invasive pore canal, hands of a doctor and trauma as the product with the publication number of CN 105286931B; meanwhile, the product function of the bulletin No. CN 105286931B is required to be fully compatible downwards, and safe, accurate and effective suspension of tissues such as important pipelines and dangerous areas in abdominal cavities and suspension of liver tissues are required to be realized; besides tissue suspension, the tissue suspension device also has the function of suturing an abdominal wall minimally invasive incision. The invention perfectly realizes the functions due to the different operation principles and the specially designed thread grasping device, and obtains more precise suspension position and suspension angle through precise suspension suture from the inside of the abdomen to the outside of the abdomen, thereby obtaining more satisfactory operation effect and meeting the comprehensive requirements of clinical minimally invasive operations in various aspects.

Disclosure of Invention

The invention aims to solve the technical problems in the prior art and provides a disposable abdominal wall suture tissue suspender for safe, accurate and effective tissue suspension and minimally invasive suture of an abdominal wall incision.

In order to achieve the purpose, the invention adopts the following technical scheme:

a disposable abdominal wall suture tissue suspender comprises a wire grabber, a suture suspender and a wire fixing device, wherein the wire grabber comprises a wire grabber handle, a wire grabbing push handle, a wire grabbing claw and a needle body, the wire grabbing handle is a long columnar plastic holding body, the wire grabbing push handle is a sliding push rod arranged on the side peripheral surface of the wire grabbing handle, the needle body is a stainless steel hollow cylinder which is coaxially and tightly embedded at one end of the wire grabber handle, the wire grabbing push handle is pushed by a thumb along a central axis towards the direction of the needle body, and the wire grabbing claw slides out of the needle body and opens; the sewing suspender comprises a suspending disc, a suspending cotton thread and a sewing needle, the thread fixing device is a PVC elastic pressing buckle, the suspending cotton thread penetrates through the thread fixing device, the thread fixing device is pressed at a proper fixed position to clamp the suspending cotton thread, one end of the suspending cotton thread is fixedly connected with the suspending disc, and the other end of the suspending cotton thread is integrally and fixedly connected with the sewing needle.

Further, for better line result of use of grabbing, and compromise and satisfy the function that the stomach wall is sewed up to the small incision, grab the line ware and still include probe, spring, grab the line jack catch with probe integrated into one piece makes, the probe inlays the dress and is in the needle body, the probe with grab line pushing hands fixed connection, the spring suit is in on the probe, spring one end with on the left side wall of grabbing line ware handle inner chamber, the other end with grab line pushing hands fixed connection, the oblique plane in needle body front end cuts into the oblique syringe needle of twolip.

Further, in order to optimize, ensure a safer and more accurate suspension effect and meet the requirements of different operation scenes more widely, the suspension disc and the suspension cotton thread are integrally formed, the diameter of the suspension disc is smaller than the inner diameter of a puncture outfit with the diameter of 10mm, the diameter of the suspension disc is 9mm +/-0.2 mm, the disc can be conveniently conveyed into the abdominal cavity through the puncture outfit, and the thickness of the disc is 1 mm-2 mm; the suture needle is an arc needle or a long straight needle (commonly known as a liver needle), the specification of the arc needle is 1/2 arc, and the maximum radius of the arc needle is smaller than the inner diameter of a puncture outfit (a stab card); the length of the long straight needle is 50 mm-70 mm.

Further reducing abdominal wall injury, wherein the suspension cotton thread is medical sterile coarse cotton thread with the thread diameter of 1-2 mm, has enough traction strength and can not enter into a wound additionally due to too large thread diameter; the length of the thread is 25 cm-40 cm, so that the thread can have enough length to enter a human body, and a part of the thread can be remained outside the body to be grasped by a surgeon and fixed by a thread fixer.

Furthermore, for more comfortable operation, the length of the wire grabbing handle is 7 cm-12 cm, the wire grabbing push handle is an ergonomic thumb pushing structure, and the wire grabbing handle on the other side opposite to the wire grabbing push handle is provided with an ergonomic grip with four finger positions.

Furthermore, in order to push the wire to slide more smoothly, the wire grabbing pushing hand and the probe form a T-shaped structure.

Furthermore, for convenient threading operation, two ends of the thread fixing device are provided with thread passing holes for the suspended cotton threads to pass through.

Further, in order to adapt to the inner diameter of the puncture outfit (poking card) used in the minimally invasive surgery, the maximum radius of the arc-shaped needle is slightly smaller than the inner diameter of the puncture outfit (poking card) with the specification of 10mm or 12mm, so that the arc-shaped needle can smoothly pass through the puncture outfit pore passage and enter the abdominal cavity.

Compared with the prior art, the invention provides a disposable abdominal wall suture tissue suspender, which is characterized in that the suspending position of the abdominal wall is accurately determined from the inside of the abdomen to the outside of the abdomen through a suspending disc, and the accurate suspension of the tissue is realized after the thread grabbing device is matched to grab the thread, so that the better suspension effect is achieved, the injury of the abdominal wall is greatly reduced, the operation safety is improved, the operation injury is reduced, the later-stage rehabilitation of a patient is facilitated, meanwhile, the small incision suturing function of the abdominal wall is also considered, and the disposable abdominal wall suture tissue suspender specifically comprises the following technical effects:

1. according to the invention, the wire grabber has an active wire grabbing function, so that the abdominal wall can be punctured, cotton wires of the suspender can be grabbed actively, and the suspender is assisted to realize a tissue suspension function; meanwhile, the suture device can be used for accurately suturing small incisions on the abdominal wall, such as a 10mm or 12.5mm puncture outfit commonly used in laparoscopic minimally invasive surgery, and small incisions left after the abdominal wall is punctured are most suitable for realizing effective suture of the small incisions by using the suture grasping device (see fig. 9 in detail). Compared with the single function of other patents (such as publication number CN 111956283A, CN 109907784A, CN 105286931B), the invention realizes two basic functions: intra-abdominal tissue suspension and abdominal wall suturing. The operation scenes needing to use the tissue suspender are laparoscopic minimally invasive operations, and small abdominal wall incisions need to be sutured, so the invention completely conforms to the requirements of the minimally invasive operation scenes, and one set of instruments meets the operation requirements to the maximum extent.

2. Compared with other suspenders (such as the publication No. CN 111956283A, CN 109907784A, CN 105286931B), although the purpose of realizing effective suspension of tissues is consistent, the realization principle and the operation process are completely different, other patents establish an abdominal wall suspension point, and use an opening puncture needle to puncture the abdominal wall at the point to lead to target tissues, and realize tissue suspension after releasing the suspenders, which is operated from outside to inside, the biggest defect is that: firstly, the abdominal wall puncture suspension point which is established in advance is often not the most effective point for realizing tissue suspension; secondly, the important tissues in the abdominal cavity and the tissues beside the important pipelines, such as the tissues beside the hepatic portal part, the great vessels in the abdominal cavity and the liver tissues, are suspended, the puncture is lack of accuracy, the tissues are easy to be accidentally injured, and even a part of application scenes can not be realized. The invention is a reverse operation process, the tissue is accurately suspended from the inside of the abdomen to the outside of the abdomen, an operator uses a suspender sewing needle to accurately sew a tissue to be suspended in the abdominal cavity, pulls a suspension wire in the abdomen, compares and adjusts the angle and the direction of pulling suspension, determines the optimal direction and then establishes the optimal puncture point on the abdominal wall, then stabs a thread catcher from the optimal direction and catches a cotton thread, thus realizing the most effective and accurate tissue suspension. Therefore, the present invention is most suitable for suspending tissues such as important ducts and dangerous areas in the abdominal cavity, and suspending liver tissues. Compared with other patents, the invention has the advantages of more accuracy, more effectiveness, more safety and wider application scenes, and can be downwardly compatible with the functions of the patent products, but the functions can not be upwardly compatible with the invention.

3. Compared with the T-shaped suspension support of other patents, the invention has the advantages of larger effective suspension support area, lower pressure on the suspended tissue, more stable suspension, less tissue traction and cutting damage and better safety.

4. Suspend in midair thick cotton thread and suture needle integrated into one piece, more make things convenient for the tissue to sew up and suspend in midair, the needle body has the operation needle commonly used, like the arc needle, still has long straight needle (liver needle) to pierce liver tissue, realize suspending in midair the liver, diversified needle body design can richen the application scene, satisfies the multidisciplinary needs.

5. Compared with PVC or plastic suspension wires of other patents, the suspension coarse cotton wire is softer and has no edges and corners, has no abrasion and cutting damage to tissues and organs contacted with the periphery, and has more friendly contact protection, safety and no damage.

6. The invention is disposable, and does not need to be disinfected repeatedly; when in use, the puncture outfit does not need to occupy other puncture outfit pore canals and does not conflict with other instruments; the hanger has small needle passage through the abdominal wall, can self-heal, does not need to be sutured, and has ultra-minimally invasive effect.

7. After the suspension device is used, the wire fixing device can effectively maintain the tissue traction suspension effect of the suspension device, improve the safety and efficiency of the operation, avoid the need of additionally increasing an operation doctor and save labor force.

Drawings

FIG. 1 is a schematic overall structure diagram of a first embodiment of the present invention;

FIG. 2 is a schematic overall structure diagram of a second embodiment of the present invention

FIG. 3 is a schematic cross-sectional view of the structure of the thread catcher of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is an enlarged view of the structure at B in FIG. 3;

FIG. 6 is a schematic view of the wire fixing device according to the present invention;

FIG. 7 is a sectional view of the structure of FIG. 3;

FIG. 8 is a diagrammatic illustration of the use of the suspension procedure of the present invention;

fig. 9 is a schematic diagram of the suture grasping device for suturing the abdominal wall.

In the figure: 1-a grip of the thread catcher; 2, opening a window by a self-closing push rod; 3-hook the line pushing hands; 4-hook the thread claw; 5-wire fixing device; 6- -Probe; 7- -a spring; 8- -the needle body; 9- -hanging the disc; 10- -hanging cotton thread; 11- -arc needle; 12- -long straight needle; 13- -ergonomic handshake; 14- -double-edged bevel needle; 15-wire through hole; 16-tissue to be suspended.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Example 1:

referring to fig. 1-6, a disposable abdominal wall suture tissue suspender, a line grabber, a suture suspender and a line fixing device 5, wherein the line grabber comprises a line grabber handle 1, a line grabber push handle 3, a line grabber jaw 4 and a needle body 8, the line grabber handle 1 is a long columnar plastic holding body, the line grabber push handle 3 is a sliding push rod arranged on the side peripheral surface of the line grabber handle 1, the needle body 8 is a stainless steel hollow cylinder coaxially and tightly embedded at one end of the line grabber handle 1, the line grabber push handle 3 is pushed by a thumb along the central axis towards the direction of the needle body 8, and the line grabber jaw 4 slides out of the needle body 8 and is opened; the suture hanging device comprises a hanging disc 9, hanging cotton threads 10 and a suture needle, the thread fixing device 5 is a PVC elastic pressing buckle, the hanging cotton threads 10 penetrate through the thread fixing device 5, the thread fixing device 5 is pressed at a proper fixed position to clamp and fix the hanging cotton threads 10, one end of each hanging cotton thread 10 is fixedly connected with the hanging disc 9, and the other end of each hanging cotton thread 10 is integrally and fixedly connected with the suture needle.

More specifically, the thread grabbing device further comprises a probe 6 and a spring 7, the thread grabbing claw 4 and the probe 6 are integrally formed, the probe 6 is embedded in the needle body 8, the probe 6 is fixedly connected with the thread grabbing push handle 3, the spring 7 is sleeved on the probe 6, one end of the spring 7 is fixedly connected with the left side wall of the inner cavity of the thread grabbing device handle 1, the other end of the spring is fixedly connected with the thread grabbing push handle 3, and the inclined plane at the front end of the needle body 8 is cut into a double-edge inclined needle head 14.

More specifically, the suspension disc 9 and the suspension cotton thread 10 are integrally formed, the diameter of the suspension disc 9 is smaller than the inner diameter of a 10mm puncture outfit, the diameter of the suspension disc 9 is 9mm +/-0.2 mm, and the thickness is 1 mm-2 mm; the suture needle is an arc needle 11 or a long straight needle 12 (commonly known as a liver needle), the specification of the arc needle (11) is 1/2 arc, and the maximum radius of the arc needle (11) is smaller than the inner diameter of a puncture outfit (poking card); the length of the long straight needle 12 is 50-70 mm.

More specifically, the suspension cotton thread 9 is medical sterile coarse cotton thread, the thread diameter is 1-2 mm, the sufficient drawing strength is achieved, extra entering wounds cannot be caused due to the fact that the thread diameter is too large, the thread length is 25-40 cm, the sufficient length can enter a human body, and a part of the thread can be left outside the body to be grasped by a patient and fixed by a thread fixing device.

More specifically, the length of the wire grabbing handle 1 is 7 cm-12 cm, the wire grabbing push handle 3 is an ergonomic thumb pushing structure, and the wire grabbing handle 1 on the other side of the wire grabbing push handle 3 is provided with an ergonomic grip 13 with four finger positions.

More specifically, the wire grabbing hand 3 and the probe 6 form a T-shaped structure.

More specifically, both ends of the thread fixer 5 are provided with thread passing holes 15 through which the hanging cotton threads 10 pass.

As shown in fig. 8, in use, the suspender is fed into the abdominal cavity through a puncture outfit of 10mm or 12mm, a needle holder clamps a suture needle (an arc needle 11 or a long straight needle 12), the suture needle penetrates through tissues to be suspended, the suspension cotton thread 10 is cut off close to the suture needle, the suture needle is taken out, the suspension cotton thread 10 is continuously pulled in the abdominal cavity by using a minimally invasive instrument, a suspension disc 9 is made to hang and support the pulled tissues, the proper position of the suspension cotton thread 10 is pulled, the most effective and most reasonable direction and angle are selected by comparing various suspension angles, the most effective and most reasonable direction and angle are pressed and positioned on the inner side of the abdominal wall, according to the positioned position, a thread catcher punctures into the abdominal cavity at the position, one end of the suspension cotton thread 10 is grasped, pulled out of the abdominal cavity and sleeved in a thread through hole 15 of the thread fixer 5, after the proper pulling force is reached, the thread fixer 5 is clamped, the suspension cotton thread is effectively fixed outside the abdominal cavity, and finally the suspension cotton thread is effectively suspended in the abdominal cavity, the target tissue organ needing operation can be clearly exposed; after the suspension is finished, cutting off the suspension cotton thread 10 in the abdominal cavity, and taking the suspension disc 9 and the suspension cotton thread 10 out of the abdomen; for the suspension of liver tissue, it is recommended to use the tissue suspension device with long straight needle 12 (liver needle), and other operation principles and processes are the same. The suspension disc 9 with a round blunt large area is used for tissue traction, the tissue stress area is larger, the pressure intensity is smaller, the injury is smaller, the suspension cotton thread 10 adopts medical thick cotton thread with the diameter of about 2mm, the texture is soft, no edge exists, the suspension cotton thread is widely applied to blood vessel blocking and tissue suture clinically, a very wide safe use scene exists, the use history is long, and the cutting injury to various tissue organs in the operations of traction, suture and the like can be effectively avoided.

After the operation is finished, suturing a small abdominal wall incision left by a puncture outfit (stabbing card) of 10mm or 12mm, and at the moment, suturing the abdominal wall by using a suture grasping device, as shown in fig. 9, the specific process is as follows, a medical worker holds a suture grasping device handle 1 outside the abdomen, a thumb easily and conveniently pushes a suture grasping push handle 3 to push forwards and slide, a suture grasping claw 4 is pushed out and opened, the thumb is loosened after the claw grasps one end of a suture, the suture is firmly grasped by the suture grasping claw 4, the abdominal wall is punctured beside the incision, partial suture is sent into the abdominal cavity, the suture grasping claw is pushed out, the suture is released, the suture is withdrawn from the suture grasping device, the suture grasping device punctures the abdominal wall, the suture in the abdominal cavity is grasped and pulled out of the abdominal cavity, the suture is released, and at the suture can be pulled to be knotted at the moment, and the abdominal small abdominal incision is sutured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The disposable abdominal wall suture tissue suspender is characterized by comprising a wire gripper, a suture suspender and a wire fixing device (5), wherein the wire gripper comprises a wire gripper handle (1), a wire gripping push handle (3), a wire gripping clamping jaw (4) and a needle body (8), the wire gripping handle (1) is a long columnar plastic gripping body, the wire gripping push handle (3) is a sliding push rod arranged on the side peripheral surface of the wire gripping handle (1), the needle body (8) is a stainless steel hollow cylinder which is coaxially and tightly embedded at one end of the wire gripping handle (1), the wire gripping push handle (3) is pushed by a thumb along a central axis towards the direction of the needle body (8), and the wire gripping clamping jaw (4) slides out of the needle body (8) and is opened; the sewing suspender comprises a suspending disc (9), a suspending cotton thread (10) and a sewing needle, wherein the thread fixing device (5) is a PVC elastic pressing buckle, the suspending cotton thread (10) penetrates through the thread fixing device (5), the thread fixing device (5) is a PVC elastic pressing buckle, the thread fixing device (5) is pressed at a proper fixed position to clamp the suspending cotton thread (10), one end of the suspending cotton thread (10) is fixedly connected with the suspending disc (9) integrally, and the other end of the suspending cotton thread (10) is fixedly connected with the sewing needle integrally.

2. The disposable abdominal wall suture tissue suspender according to claim 1, wherein the wire grabber further comprises a probe (6) and a spring (7), the wire grabbing jaw (4) and the probe (6) are integrally formed, the probe (6) is embedded in the needle body (8), the probe (6) is fixedly connected with the wire grabbing push handle (3), the spring (7) is sleeved on the probe (6), one end of the spring (7) is fixedly connected with the left side wall of the inner cavity of the wire grabber handle (1), the other end of the spring is fixedly connected with the wire grabbing push handle (3), and the inclined plane at the front end of the needle body (8) is cut into a double-edge inclined needle head (14).

3. The disposable abdominal wall suture tissue suspender according to claim 1, wherein the suspending disc (9) is integrally formed with the suspending cotton thread (10), the diameter of the suspending disc (9) is less than the inner diameter of the 10mm puncture outfit, the diameter of the suspending disc (9) is 9mm +/-0.2 mm, and the thickness is 1 mm-2 mm; the suture needle is an arc needle (11) or a long straight needle (12), the specification of the arc needle (11) is 1/2 arc, and the maximum radius of the arc needle (11) is smaller than the inner diameter of the puncture outfit; the length of the long straight needle (12) is 50 mm-70 mm.

4. The disposable abdominal wall suture tissue hanger as claimed in claim 3, wherein the hanging cotton thread (9) is medical sterile coarse cotton thread with a thread diameter of 1 mm-2 mm and a thread length of 25 cm-40 cm.

5. The disposable abdominal wall suture tissue suspender according to claim 1, wherein the length of the wire grasping handle (1) is 7cm to 12cm, the wire grasping pusher (3) is an ergonomic thumb pushing structure, and the wire grasping handle (1) at the other side of the wire grasping pusher (3) is provided with an ergonomic grasping handle (13) with four finger positions.

6. The single use abdominal wall suture tissue hanger according to claim 2, wherein said grasping line pusher (3) and said probe (6) are in a T-shaped configuration.

7. The disposable abdominal wall suture tissue suspender of claim 1, wherein both ends of the thread fixer (5) are provided with thread passing holes (15) for the suspension cotton thread (10) to pass through.

8. The single use abdominal wall suture tissue hanger according to claim 3, characterized in that the maximum radius of the curved needle (11) is slightly less than the inner diameter of a 10mm or 12mm gauge puncture instrument.

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