Single-side double-channel spine endoscopic knotting device

Abstract

The single-side double-channel spine endoscope knotting device comprises a knotting clamp and a push rod, the knotting clamp comprises a first rod body and a second rod body, the first rod body and the second rod body are hinged through a connecting rod and a bolt, and the side walls of the bottoms of the first rod body and the second rod body are fixedly connected with a first finger ring and a second finger ring. The side wall of the top of the first rod body is fixedly connected with a first ring body, and the side wall of the top of the second rod body is fixedly connected with a second ring body; the push rod comprises a guide rod, and the side wall of the bottom of the guide rod is fixedly connected with a semi-arc-shaped guide head. The first ring body and the second ring body are symmetrically arranged along the center line of the connecting rod. The semi-arc-shaped guide head is arranged in an arc-shaped bent elbow mode, the radian is 110-130 degrees, the concave portion of the semi-arc-shaped guide head is arranged downwards, and the convex portion of the semi-arc-shaped guide head is arranged upwards. The utility model has the beneficial effects that the trend of the suture line can be accurately controlled in the suture operation, the knotting success rate of the suture line is improved, the suture effect is good, and the problem of suturing under the microscope is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is a unilateral double channel endoscope under knot device. BACKGROUND

[0002] The unilateral double channel endoscope (UBE) operation is a new type of spinal endoscope technology that combines arthroscopic observation channel and operation channel, has the characteristics of large operation range and high operation efficiency, and can complete most spinal surgery.

[0003] The unilateral double channel endoscope needs dura mater suture, annular ligament suture, and even intradural tumor resection operation, cannot be tied by hand, and there is no endoscopic suture instrument at present, which makes the operation that needs endoscopic suture operation impossible, and open operation treatment is needed.

[0004] Therefore, it is necessary to design a unilateral double channel endoscope under knot device that can solve the above technical problems, is convenient to operate, solves the problem of endoscopic knotting, and avoids the selection of traditional open operation for suture. UTILITY MODEL CONTENT

[0005] The utility model discloses a unilateral double channel endoscope under knot device, which has the advantages of reasonable structure design, ingenious design, convenient operation, low processing and manufacturing cost, convenient control of the distal end of the suture line in suture operation, improved suture success rate, avoided open operation, and better recovery of patients.

[0006] The utility model discloses a unilateral double channel endoscope under knot device, which has the advantages of reasonable structure design, ingenious design, convenient operation, low processing and manufacturing cost, convenient control of the distal end of the suture line in suture operation, improved suture success rate, avoided open operation, and better recovery of patients.

[0007] The first ring body 1 and the second ring body 4 are symmetrically arranged along the center line of the connecting rod 7.

[0008] The first rod body 2 and the second rod body 5 are arranged, when the tissue under the mirror needs to be sutured, the operator holds the needle holder to hold the needle and enters the deep tissue through the operation port, the needle line is passed through the required suture port under the monitoring of the endoscope, the needle line is pulled out of the operation port, and the needle is cut off. At this time, the operator holds the knot pliers with one hand through the first finger ring 3 and the second finger ring 8, the assistant first knots the suture line first knot and then inserts the two ends of the suture line into the first ring body 1 and the second ring body 4 respectively, the assistant pulls the tail end of the suture line tightly, the operator pushes the line knot into the deep tissue suture through the skin incision (operation port) through the cooperation of the connecting rod 7 and the bolt 6, so that the first ring body 1 and the second ring body 4 are located at both ends of the suture port, and the assistant pulls the suture line tightly, the operator maintains the relative tension state of the first ring body 1 and the second ring body 4, and the line knot is pulled tightly, the knot is completed, and the operation is the same as the second knot.

[0009] The semi-arc-shaped guide head 12 is arranged in an arc-shaped bent structure, and the concave part of the semi-arc-shaped guide head 12 is arranged downward, and the convex part is arranged upward.

[0010] The semi-arc-shaped guide head 12 is arranged in an arc-shaped bent structure, and the concave part of the semi-arc-shaped guide head 12 is arranged downward, and the convex part is arranged upward.

[0011] The diameter of the guide rod 11 is arranged in a tapered manner from top to bottom.

[0012] The diameter of the guide rod 11 is arranged in a tapered manner from top to bottom, which can increase the strength of the tail holding end, facilitate the doctor to exert force with the hand, and the diameter of the tip of the guide rod 11 is reduced, which can facilitate the doctor to operate more accurately under the endoscope, is more conducive to the completion of fine operation, and improves the accuracy of operation.

[0013] The top surface of the guide rod 11 is fixedly connected with the fixing rod 10.

[0014] The diameter of the fixing rod 10 is arranged in a tapered manner from top to bottom.

[0015] The top surface of the guide rod 11 is fixedly connected with the fixing rod 10, and the diameter of the fixing rod 10 is arranged in a tapered manner from top to bottom, which can further improve the strength of the guide rod 11 and increase the force of the doctor holding the fixing rod 10.

[0016] The bottom surface of the fixed rod 10 is provided with a fixed hole 101, the top surface of the guide rod 11 is fixedly connected with a connecting rod 1101, the outer side wall of the connecting rod 1101 is provided with a thread, and the connecting rod 1101 is screwed with the fixed hole 101.

[0017] The fixed rod 10 and the guide rod 11 are screwed, convenient to install and disassemble, convenient to store and clean.

[0018] The side wall of the second rod body 5 is provided with a second arc-shaped recess 13, which is arranged close to the inner side of the first finger ring 3.

[0019] The second arc-shaped recess 13 and the first arc-shaped recess 9 are arranged, which are more in line with the physiological curvature of hand gripping, so that the hand is more fitted to the first rod body 2 and the second rod body 5, preventing the hand from sliding and displacement, and improving the operation accuracy.

[0020] The diameter of the bottom of the first rod body 2 is greater than that of the top, and the diameter of the bottom of the second rod body 5 is greater than that of the top.

[0021] The diameter of the bottom of the first rod body 2 is greater than that of the top, and the diameter of the bottom of the second rod body 5 is greater than that of the top.

[0022] The utility model discloses beneficial effects:

[0023] 1) The first rod body 2 and the second rod body 5 are set, when the tissue under the mirror needs to be sutured, the operator holds the needle holder to hold the needle and enters the deep tissue through the operation port, under the endoscopic monitoring, the needle thread is passed through the required suture port, the needle thread is pulled out of the operation port, and the suture needle is cut off. At this time, the operator holds the knot punch with one hand through the first finger ring 3 and the second finger ring 8, the assistant first makes the first knot of the suture thread, then inserts the two ends of the suture thread into the first ring body 1 and the second ring body 4 respectively, the assistant pulls the tail end of the suture thread tightly, the operator pushes the knot through the skin incision (operation port) into the deep tissue suture through the cooperation of the connecting rod 7 and the bolt 6, so that the first ring body 1 and the second ring body 4 are located at both ends of the suture port, at the same time the assistant pulls the suture thread tightly, the operator keeps the relative tension state of the first ring body 1 and the second ring body 4, and the knot is pulled tightly. Complete knotting; if three knots or multiple knots are needed, operate in the same way, and the knot punch can be used as an auxiliary knot, the two are matched with each other, the operation of knotting is realized quickly and accurately while suturing, the time of suturing is speeded up, the time of the whole operation is further improved, the operation process is simplified, and time and labor are saved.

[0024] 2) The semi-arc guide head 12 is arranged in an arc-shaped curved structure, which can prevent the knot from slipping when the knot is pushed.

[0025] 3) The diameter of the guide rod 11 is gradually reduced from top to bottom, which can increase the strength of the tail holding end, facilitate the doctor to exert force with his hand, and the diameter of the tip of the guide rod 11 is reduced, which can facilitate the doctor to operate more accurately under the endoscope, and is more conducive to the completion of fine operation and improvement of the accuracy of operation.

[0026] 4) The top surface of the guide rod 11 is fixedly connected with the fixed rod 10, and the diameter of the fixed rod 10 is gradually reduced from top to bottom, which can further improve the strength of the guide rod 11 and increase the force of the doctor holding the fixed rod 10.

[0027] 5) The fixed rod 10 and the guide rod 11 are arranged in threaded connection, which is convenient for installation and disassembly, convenient for storage, and also convenient for cleaning.

[0028] 6) The second arc-shaped recess 13 and the first arc-shaped recess 9 are arranged, which is more in line with the physiological curvature of the hand, so that the hand is more fitted to the first rod body 2 and the second rod body 5, preventing the hand from slipping and shifting, and improving the accuracy of operation.

[0029] 7) the diameter of the bottom of the first rod body 2 is set to be larger than the diameter of the top, and the diameter of the bottom of the second rod body 5 is set to be larger than the diameter of the top, so that the doctor can easily hold the first rod body 2 and the second rod body 5, improve the strength of the grip, and facilitate the operation of the first ring body 1 and the second ring body 4 on the top side wall of the first rod body 2 and the second rod body 5, ensure the accuracy of the operation, and save the operation time.

[0030] 8) The knotting device has the advantages of reasonable structure, ingenious design, convenient operation, low processing and manufacturing cost, convenient precise positioning and operation of the suture line in the suturing operation, improved knotting effect of the suture line, good suturing effect, saved operation time of the doctor, better recovery of the patient, different specifications and structures, different selection according to the operation habit of the doctor, wide application range, good clinical use effect, and wide range of popularization and application. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a structural schematic view of the utility model;

[0032] Figure 2 It is a structural schematic view of the first ring body in the utility model;

[0033] Figure 3 It is a structural schematic view of the second ring body in the utility model;

[0034] Figure 4 It is a structural schematic view of the semicircular guide head in the utility model;

[0035] Figure 5 It is a structural schematic view of the semicircular guide head in the utility model; Figure 1 It is an enlarged structural schematic view of A in the utility model;

[0036] Figure 6 It is a second structural schematic view of the push rod in the utility model;

[0037] Figure 7 It is a third structural schematic view of the push rod in the utility model;

[0038] Figure 8 It is a third structural schematic view of the push rod in the utility model; Figure 7 It is a bottom view of the fixed rod in the utility model;

[0039] Figure 9 It is a third structural schematic view of the push rod in the utility model; Figure 7 It is a structural schematic view of the guide rod and the connecting rod in the utility model.

[0040] In the figure: the first ring body 1, the first rod body 2, the first finger ring 3, the second ring body 4, the second rod body 5, the bolt 6, the connecting rod 7, the second finger ring 8, the first arc-shaped recess 9, the fixed rod 10, the fixed hole 101, the guide rod 11, the connecting rod 1101, the semicircular guide head 12, and the second arc-shaped recess 13. DETAILED DESCRIPTION

[0041] Embodiment 1.

[0042] The utility model discloses a knotting pliers and push rod. Figures 1-5 Further description of the utility model.

[0043] The utility model discloses a knotting pliers and push rod.

[0044] The first ring body 1 and the second ring body 4 are symmetrically arranged along the center line of the connecting rod 7.

[0045] The semicircular guide head 12 is arranged as an arc-shaped elbow, and the concave part of the semicircular guide head 12 is downward, and the convex part is upward.

[0046] The diameter of the guide rod 11 is gradually reduced from top to bottom.

[0047] The second arc-shaped recess 13 is arranged on the side wall of the second rod body 5, and the second arc-shaped recess 13 is arranged close to the inner side of the first ring 3.

[0048] The diameter of the bottom of the first rod body 2 is greater than the diameter of the top; the diameter of the bottom of the second rod body 5 is greater than the diameter of the top.

[0049] The bottom width of the first rod body 2 and the second rod body 5 is 3-3.2mm; the top width of the first rod body 2 and the second rod body 5 is 1.5mm, the diameter of the first ring 1 and the second ring 4 is 2mm, the length of the semicircular guide head 12 is 1mm, and the thickness is 1mm; the diameter of the top (thick) of the guide rod 11 is 3mm, and the diameter of the bottom (thin) of the guide rod 11 is 1mm.

[0050] Method of use: when the tissue under the mirror needs to be sutured, the operator holds the needle holder to hold the suture needle through the operation port into the deep tissue, the needle thread is passed through the required suture port under the endoscope monitoring, the needle thread is pulled out of the operation port, and the suture needle is cut off. At this time, the operator holds the knot punch with one hand through the first finger ring 3 and the second finger ring 8, the assistant first makes the first knot of the suture thread, and then inserts the two ends of the suture thread into the first ring body 1 and the second ring body 4 respectively, the assistant pulls the tail end of the suture thread tightly, the operator pushes the knot through the skin incision (operation port) into the deep tissue suture through the opening action of the connecting rod 7 and the bolt 6, so that the first ring body 1 and the second ring body 4 are located at both ends of the suture port, and the assistant pulls the suture thread tightly, the operator maintains the relative tension state of the first ring body 1 and the first ring body 4, and the knot is pulled tightly, and the knot is completed.

[0051] Example 2.

[0052] The utility model will make further explanation to the utility model in combination with 1-6.

[0053] The utility model discloses a knot punch and push rod, and the knot punch comprises a first rod body 2 and a second rod body 5, the first rod body 2 and the second rod body 5 are hinged through a connecting rod 7 and a bolt 6, the bottom side wall of the first rod body 2 and the second rod body 5 is fixedly connected with a first finger ring 3 and a second finger ring 8, the top side wall of the first rod body 2 is fixedly connected with a first ring body 1, and the top side wall of the second rod body 5 is fixedly connected with a second ring body 4.

[0054] The first ring body 1 and the second ring body 4 are symmetrically arranged along the midline of the connecting rod 7.

[0055] The semicircular guide head 12 is arranged as an arc-shaped elbow, the concave part of the semicircular guide head 12 is downward, and the convex part is upward.

[0056] The diameter of the guide rod 11 is gradually reduced from top to bottom.

[0057] The top surface of the guide rod 11 is fixedly connected with the fixed rod 10.

[0058] The fixed rod 10 is gradually tapered from top to bottom.

[0059] The side wall of the second rod body 5 is provided with a second arc-shaped recess 13, which is arranged close to the inner side of the first finger ring 3; the side wall of the first rod body 2 is provided with a first arc-shaped recess 9, which is arranged close to the inner side of the second finger ring 8.

[0060] The diameter of the bottom of the first rod body 2 is greater than that of the top; the diameter of the bottom of the second rod body 5 is greater than that of the top.

[0061] The width of the bottom of the first rod body 2 and the second rod body 5 is 3-3.2mm; the width of the top of the first rod body 2 and the second rod body 5 is 1.5mm, the diameter of the first ring body 1 and the second ring body 4 is 2mm, the length of the semi-arc-shaped guide head 12 is 1mm, and the thickness is 1mm; the diameter of the top (thick) of the guide rod 11 is 3mm, and the diameter of the bottom (thin) of the guide rod 11 is 1mm.

[0062] Use method: when the tissue under the mirror needs to be sutured, the operator holds the needle holder to hold the suture needle to enter the deep tissue through the operation port, and under the monitoring of the endoscope, the needle thread is passed through the required suture port, the needle thread is pulled out of the operation port, and the suture needle is cut off. At this time, the operator holds the knotting forceps with one hand through the first finger ring 3 and the second finger ring 8, the assistant first knots the suture thread first knot, and then inserts the two ends of the suture thread into the first ring body 1 and the second ring body 4 respectively. The assistant tightens the tail end of the suture thread, and the operator pushes the thread knot into the deep tissue suture through the skin incision (operation port) through the opening action of the connecting rod 7 and the bolt 6, so that the first ring body 1 and the second ring body 4 are located at both ends of the suture port, and at the same time the assistant tightens the suture thread, the operator maintains the relative tension state of the first ring body 1 and the first ring body 4, and the thread knot is tightened. Complete knotting.

[0063] The fixed rod 10 and the guide rod 11 are integrally fixedly connected, which can further improve the strength of the guide rod 11 and increase the force of the doctor holding the fixed rod 10.

[0064] Example 3.

[0065] The utility model discloses a first ring body 1, first pole body 2, first ring 3, second ring body 4, second pole body 5, bolt 6, connecting rod 7, second ring 8, first arc concave portion 9, fixed rod 10, fixed hole 101, guide rod 11, connecting rod 1101, half arc guide head 12, second arc concave portion 13, the specific structure includes knot pliers and push rod, and knot pliers include first pole body 2 and second pole body 5, and first pole body 2 and second pole body 5 are hinged through connecting rod 7 and bolt 6, and the bottom side wall fixed connection of first pole body 2 and second pole body 5 has first ring 3 and second ring 8, and the top side wall fixed connection of first pole body 2 has first ring body 1, and the top side wall fixed connection of second pole body 5 has second ring body 4, and push rod includes guide rod 11, and the bottom side wall fixed connection of guide rod 11 has half arc guide head 12.

[0066] The first ring body 1 and the second ring body 4 are symmetrically arranged along the center line of the connecting rod 7.

[0067] The half arc guide head 12 is arranged as an arc-shaped elbow, the concave portion of the half arc guide head 12 is downward, and the convex portion is upward.

[0068] The diameter of the guide rod 11 is gradually reduced from top to bottom.

[0069] The bottom surface of the fixed rod 10 is provided with a fixed hole 101, the top surface of the guide rod 11 is fixedly connected with a connecting rod 1101, the outer side wall of the connecting rod 1101 is provided with threads, and the connecting rod 1101 is screw-connected with the fixed hole 101 through threads.

[0070] The second arc concave portion 13 is arranged on the side wall of the second pole body 5 and is close to the inner side of the first ring 3, and the first arc concave portion 9 is arranged on the side wall of the first pole body 2 and is close to the inner side of the second ring 8.

[0071] The diameter of the bottom of the first pole body 2 is greater than the diameter of the top, and the diameter of the bottom of the second pole body 5 is greater than the diameter of the top.

[0072] The bottom width of the first pole body 2 and the second pole body 5 is 3-3.2mm, the top width of the first pole body 2 and the second pole body 5 is 1.5mm, the diameter of the first ring body 1 and the second ring body 4 is 2mm, the length of the half arc guide head 12 is 1mm, and the thickness is 1mm, the diameter of the top (thick) of the guide rod 11 is 3mm, and the diameter of the bottom (thin) of the guide rod 11 is 1mm.

[0073] Use method: when the tissue under the mirror needs to be sutured, the operator holds the needle holder and holds the suture needle through the operation port into the deep tissue, and under the endoscopic monitoring, the needle thread is passed through the required suture port, the needle thread is pulled out of the operation port, and the suture needle is cut off. At this time, the operator holds the knotting forceps with one hand through the first finger ring 3 and the second finger ring 8, the assistant first knots the suture thread first knot and then inserts the two ends of the suture thread into the first ring body 1 and the second ring body 4 respectively. The assistant tightens the suture thread tail, the operator opens the joint through the connecting rod 7 and the bolt 6, and pushes the thread knot into the deep tissue suture through the skin incision (operation port), so that the first ring body 1 and the second ring body 4 are located at both ends of the suture port, and the assistant tightens the suture thread, the operator maintains the relative tension state of the first ring body 1 and the first ring body 4, and the thread knot tightens the suture port, at this time the assistant holds the push rod 11 with the other hand, and pushes the push rod distal end 12 vertically through the skin incision (operation port) to the thread knot, and the operator releases the knotting forceps and takes out. The operator knots the second knot outside the incision, inserts the suture thread tail into the first ring body 1 and the second ring body 4 in the same way, and opens the joint through the connecting rod 7 and the bolt 6 to push the thread knot into the deep tissue suture through the skin incision (operation port), so that the first ring body 1 and the second ring body 4 are located at both ends of the suture port, and the assistant tightens the suture thread, the operator maintains the relative tension state of the first ring body 1 and the second ring body 4, and the thread knot tightens the suture port, and completes the knotting.

[0074] The fixed rod 10 and the guide rod 11 are arranged in threaded connection, which is convenient for installation and disassembly, convenient for storage, and also convenient for cleaning.

Claims

1. A unilateral double-channel endoscopic knot tying device, characterized in that: The utility model provides a knotting pliers and push rod, the knotting pliers includes first rod body (2) and second rod body (5), first rod body (2) and second rod body (5) are hinged through connecting rod (7) and bolt (6), and the bottom side wall of first rod body (2) and second rod body (5) is fixedly connected with first finger ring (3) and second finger ring (8), and the top side wall of first rod body (2) is fixedly connected with first ring body (1), and the top side wall of second rod body (5) is fixedly connected with second ring body (4), and the push rod includes guide rod (11), and the bottom side wall of guide rod (11) is fixedly connected with semicircular guide head (12).

2. A one-sided double-channel knotting device under endoscopic spine according to claim 1, characterized in that: The first ring body (1) and the second ring body (4) are symmetrically arranged along the center line of the connecting rod (7).

3. A one-sided double channel knotting device under endoscope for spinal column as claimed in claim 2, wherein: The semicircular guide head (12) is arranged as an arc-shaped elbow, the concave part of the semicircular guide head (12) is downward, and the convex part is upward.

4. The unilateral dual channel endoscopic knot tying device of claim 3, wherein: The diameter of the guide rod (11) is gradually reduced from top to bottom.

5. A single-sided double-channel knotting device under endoscopic spine according to claim 4, characterized in that: The top surface of the guide rod (11) is fixedly connected with a fixing rod (10).

6. A one-sided double channel knotting device under endoscope for spinal column as claimed in claim 5, wherein: The diameter of the fixing rod (10) is gradually reduced from top to bottom.

7. A one-sided double channel knotting device under endoscope for spinal column as claimed in claim 6, wherein: The bottom surface of the fixing rod (10) is provided with a fixing hole (101), the top surface of the guide rod (11) is fixedly connected with a connecting rod (1101), the outer side wall of the connecting rod (1101) is provided with a thread, and the connecting rod (1101) is screwed with the fixing hole (101).

8. A one-sided double channel knotting device under endoscope for spinal column as claimed in claim 7, wherein: The side wall of the second rod body (5) is provided with a second arc-shaped recess (13) arranged close to the inner side of the first finger ring (3), and the side wall of the first rod body (2) is provided with a first arc-shaped recess (9) arranged close to the inner side of the second finger ring (8).

9. A one-sided double channel knotting device under endoscope for spinal column as claimed in claim 8, wherein: The diameter of the bottom of the first rod body (2) is greater than that of the top, and the diameter of the bottom of the second rod body (5) is greater than that of the top.

Images