CN212213795U - Device convenient for closing laparoscopic Trocar port - Google Patents

Abstract

The utility model provides a device for conveniently closing a laparoscopic Trocar orifice, which comprises a puncture forceps clamping part and a temporary orifice closing device; the puncture forceps clamping part comprises an inner needle and an outer needle, and the inner needle is movably connected in the outer needle; the inner needle comprises a first clamping piece and a second clamping piece, and the first clamping piece is movably connected with the second clamping piece; a sharp opening A is formed in the front end of the outer needle, a cavity for the inner needle to move is formed in the outer needle, and a spring is welded between the rear end of the outer needle and the rear end of the inner needle; the head end of the temporary closed orifice device is provided with an injector interface, the tail part of the temporary closed orifice device is provided with an inflatable air bag, and the injector interface is connected with the inflatable air bag through an air duct; the inner side of the lower end of the first clamping piece is provided with a sliding rail, the lower end of the second clamping piece is provided with a sliding groove matched with the sliding rail, and the second clamping piece is connected to the first clamping piece through the sliding rail and the sliding groove in a sliding mode.

Description

Device convenient for closing laparoscopic Trocar port

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a device that conveniently closes peritoneoscope Trocar drill way.

Background

With the rapid development of endoscopic technology, clinical endoscopic surgery becomes more and more popular and becomes the first choice for most surgeons. At least 2 holes are required to be drilled to place a laparoscope and an endoscope operation instrument when laparoscopic surgery is performed, the orifices are required to be sutured after the surgery is finished, at present, the surgical instrument is still used for suturing the orifices of the abdominal puncture part, but the orifices are usually small and deep, the visual field is small, the suturing radian is large, particularly for obese patients, the suturing difficulty is high due to the thick subcutaneous fat layer, and if the peritoneal layer cannot be sutured together well, a series of complications such as hernia and abdominal infection generated through the orifice part can occur; in addition, the operation time is prolonged, and the operation efficiency and the mood of the operator are affected.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the related art, the utility model provides a device for conveniently closing a laparoscopic Trocar orifice.

The utility model discloses a device in conveniently closing peritoneoscope Trocar drill way realizes through following technical scheme:

a device for conveniently closing a laparoscopic Trocar port comprises a puncture clamping part and a temporary port closing device;

the puncture forceps clamping part comprises an inner needle and an outer needle, and the inner needle is movably connected in the outer needle; the inner needle comprises a first clamping piece and a second clamping piece, and the first clamping piece is movably connected with the second clamping piece; a sharp opening A is formed in the front end of the outer needle, a cavity for the inner needle to move is formed in the outer needle, and a spring is welded between the rear end of the outer needle and the rear end of the inner needle;

the head end of the temporary closed orifice device is provided with an injector interface, the tail part of the temporary closed orifice device is provided with an inflatable air bag, and the injector interface is connected with the inflatable air bag through an air duct.

Preferably, a sliding rail is arranged on the inner side of the lower end of the first clamping piece, a sliding groove matched with the sliding rail is arranged at the lower end of the second clamping piece, and the second clamping piece is connected to the first clamping piece in a sliding mode through the sliding rail and the sliding groove.

Preferably, first holder rear end downside is equipped with handle A, second holder rear end downside is equipped with handle B, handle A with handle B can dismantle the connection.

Preferably, the rear end of the handle A is provided with a first connecting piece, the front end of the handle B is provided with a second connecting piece, and the detachable connection of the handle A and the handle B is realized through the first connecting piece and the second connecting piece.

Preferably, first connecting piece upper end is equipped with sawtooth A, second connecting piece lower extreme be equipped with sawtooth A assorted sawtooth B, through sawtooth A, sawtooth B realize handle A with handle B's dismantlement is connected.

Preferably, the front end of the first clamping piece is provided with a hemispherical clamping block, and the front end of the second clamping piece is provided with a cylindrical clamping block opposite to the circular surface of the hemispherical clamping block.

Preferably, the lower side of the rear end of the outer needle is also provided with an opening B, and the opening B is used for enabling the handle A and the handle B of the inner needle to move back and forth.

Preferably, the outer needle periphery still is equipped with the handle, the handle upper end is equipped with recess A, the handle lower extreme is equipped with recess B, recess C, recess D and recess E, recess A, recess B, recess C, recess D and recess E set up the characteristics that accord with human hand holding state.

Preferably, the circular surface of the hemispherical fixture block is provided with a thread A, and the circular surface of the front end of the cylindrical fixture block is provided with a thread B matched with the thread A.

Preferably, the air duct is made of rubber materials and can be freely bent under the action of external force.

Compared with the prior art, the utility model, following beneficial effect has:

1) the design of the spring at the rear end of the outer needle provides safety guarantee for puncture, and once the resistance in the abdominal cavity disappears, the top end of the blunt inner needle pops out to prevent internal organs from being damaged;

2) the most critical point of stoma suturing is to sew the peritoneal layer together, and in clinical work, the accurate finding and sewing of the peritoneal layer in such a narrow operating space are time-consuming, and especially for obese patients, the sewing is more difficult; the design that the suture is dragged into the abdominal cavity and is operated under the direct vision of the laparoscope lens is equivalent to expanding the whole operation range to the whole abdominal cavity instead of being limited in the narrow range of the orifice;

3) threads are arranged on the circular surface of the hemispherical fixture block and the circular surface of the front end of the cylindrical fixture block, so that the forceps are firmer, and the suture line is not easy to slip;

4) the handle A and the handle B are reasonably designed through the saw teeth A and the saw teeth B, and are tightly locked, labor-saving and firm; the connection between the handle A and the handle B can be realized by applying force forwards and outwards on the handle A, and the disconnection is convenient;

5) the control on the sewing level is clearer, and the occurrence probability of untight or shallow sewing level is greatly reduced;

6) the operation time is saved, the operation efficiency is improved, and particularly, the occurrence of a series of complications such as stomal hernia of obese patients and postoperative patients can be reduced;

7) the handle design is more in line with the force application habit of the operator.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic view of the whole structure of the clamping portion of the piercing pliers of the present invention;

FIG. 2 is a schematic view of the structure of the inner needle of the clamping portion of the piercing pliers of the present invention;

FIG. 3 is a schematic structural view of the junction between the inner needle and the outer needle of the clamping portion of the piercing pliers of the present invention;

fig. 4 is a schematic structural view of the clamping surfaces of the first clamping member and the second clamping member of the present invention;

FIG. 5 is a schematic structural view of the temporary orifice closure device of the present invention in an uninflated state;

FIG. 6 is a schematic view of the temporary closed orifice device of the present invention in an inflated state;

wherein:

1-a clamping part of the puncture forceps,

11-an inner needle, wherein the inner needle is provided with a needle core,

111-first clamp, 1111-hemispherical dog, 1112-thread a,

112-second holder, 1121-cylindrical dog, 1122-thread B,

113-slide, 114-slide, 115-handle a, 116-handle B, 117-first link, 118-second link, 119-serration a, 1110-serration B,

12-outer needle, 121-opening A, 122-spring, 123-opening B, 124-handle, 1241-groove A, 1242-groove B, 1243-groove C, 1244-groove D, 1245-groove E;

2-temporary closure of orifice device, 21-syringe interface, 22-inflatable balloon, 23-airway.

Detailed Description

The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The structure or operation principle of the present invention, which is not described in detail in the present application, belongs to the prior art and the common general knowledge in the field, and those skilled in the art should know.

Please refer to fig. 1-4.

A device for conveniently closing a laparoscopic Trocar port comprises a puncture clamping part 1 and a temporary port closing device 2;

the puncture forceps holder part 1 comprises an inner needle 11 and an outer needle 12, and the inner needle 11 is movably connected in the outer needle 12; the inner needle 11 comprises a first clamping piece 111 and a second clamping piece 112, and the first clamping piece 111 is movably connected with the second clamping piece 112; a sharp opening A121 is formed in the front end of the outer needle 12, a cavity for the inner needle 11 to move is formed in the outer needle 12, and a spring 122 is welded between the rear end of the outer needle 12 and the rear end of the inner needle;

the head end of the temporary closed orifice device 2 is provided with an injector interface 21, the tail part of the temporary closed orifice device 2 is provided with an inflatable air bag 22, and the injector interface 21 is connected with the inflatable air bag 22 through an air duct 23.

Preferably, a slide rail 113 is arranged on the inner side of the lower end of the first clamping member 111, a slide groove 114 matched with the slide rail 113 is arranged on the lower end of the second clamping member 112, and the second clamping member 112 is slidably connected to the first clamping member 111 through the slide rail 113 and the slide groove 114.

Preferably, a handle a115 is arranged on the lower side of the rear end of the first clamping piece 111, a handle B116 is arranged on the lower side of the rear end of the second clamping piece 112, and the handle a115 is detachably connected with the handle B116.

Preferably, the rear end of the handle a115 is provided with a first connecting piece 117, the front end of the handle B116 is provided with a second connecting piece 118, and the detachable connection of the handle a115 and the handle B116 is realized through the first connecting piece 117 and the second connecting piece 118.

Preferably, the upper end of the first connecting piece 117 is provided with a saw tooth a119, the lower end of the second connecting piece 118 is provided with a saw tooth B1110 matched with the saw tooth a119, and the detachable connection of the handle a115 and the handle B116 is realized through the saw tooth a119 and the saw tooth B1110.

Preferably, a hemispherical stopper 1111 is disposed at the front end of the first clamping member 111, and a cylindrical stopper 1121 opposite to the circular surface of the hemispherical stopper 1111 is disposed at the front end of the second clamping member 112.

Preferably, an opening B123 is further formed at the lower side of the rear end of the outer needle 12, and the opening B123 is used for the inner needle 11 to move back and forth in the outer needle 12.

Preferably, the outer needle 12 is further provided with a handle 124 at the periphery thereof, the upper end of the handle 124 is provided with a groove a1241, the lower end of the handle 124 is provided with a groove B1242, a groove C1243, a groove D1244 and a groove E1245, and the arrangement of the groove a1241, the groove B1242, the groove C1243, the groove D1244 and the groove E1245 conforms to the characteristic of the hand holding state of a human body.

Preferably, a thread a1112 is arranged on the circular surface of the hemispherical stopper 1111, and a thread B1122 matched with the thread a is arranged on the circular surface of the front end of the cylindrical stopper 1121.

Preferably, the air duct 23 is made of rubber material, and can be freely bent under the action of external force.

The working principle is as follows:

after the main operation steps of the laparoscope are completed, the main operation hole and the observation hole need to be closely sutured (the hole opening is large and is generally larger than 10mm), and the hernia is easily formed by the loose suturing.

Use the utility model discloses a when the device sews up, at first extract main handle hole trocar, carry the gas cell 22 that aerifys of the afterbody of temporarily sealing drill way device 2 with hemostatic forceps, fill it in the abdominal cavity, then connect the syringe interface 21 of the head end of temporarily sealing drill way device 2 with 5 ml's syringe, inwards squeeze into gas, gas makes its swelling jam drill way in the gas cell 22 that aerifys that gets into the afterbody through air duct 23 for gaseous not leak the establishment that keeps the pneumoperitoneum outward, whether the observation position is in abdominal cavity suitable position under the peritoneoscope camera lens. After confirming the position, the syringe port 21 of the head end of the temporary closure orifice device 2 is held by a hemostatic forceps and placed on the opposite side of the operation side, and the temporary closure orifice device 2 is pulled to keep the tail end inflatable air bag 22 tightly attached to the orifice to prevent air leakage, and meanwhile, the syringe port is deflected to the opposite side of the operation side to provide space for the next operation. The temporary plugging of the orifice is completed.

The general abdominal wall can be by skin, subcutaneous layer, muscle layer, four layers of peritoneal layer constitute, the utility model discloses a device purpose is exactly to sew up muscle layer and peritoneum together, and the difficult point of sewing up of clinical drill way is right here (subcutaneous layer and skin just can accomplish under the direct vision, need not with the help of the instrument).

After the temporary blocking of the orifice is completed, the puncture forceps clip 1 of the present invention is used to suture, a suture is taken up, the two ends are marked as the thread end a and the thread end B, the suture is folded, at this time, the puncture forceps clip 1 is taken up, the locked handle a115 and handle B116 are opened by applying force to the handle a115 and the handle B116 in opposite directions, then the handle B116 is moved backward, so that the first clamping member 111 and the second clamping member 112 of the inner needle are separated, the folded suture is placed in the gap between the first clamping member 111 and the second clamping member 112, then the handle B116 is moved forward to close the first clamping member 111 and the second clamping member 112, at this time, the circular surface of the upper hemispherical fixture block 1111 of the first clamping member 111 and the circular surface of the cylindrical fixture block 1121 of the second clamping member 112 are respectively provided with the thread a1112 and the thread B1122, so that the suture can be tightly clamped between the first clamping member 111 and the second clamping member 112, meanwhile, under the pushing action of the handle B116 and the handle A115, the saw teeth A119 of the first connecting piece 117 on the handle A115 and the saw teeth B1110 of the second connecting piece 118 on the handle B116 are clamped together, so that the locking between the handle A115 and the handle B116 is realized, and the folded part of the suture is tightly clamped on the top of the inner needle 11. Then, one subcutaneous layer (which is clinically easy and has obvious yellow adipose tissue to be identified with other layers) is firstly found, the needle is inserted from the bottom of the adipose layer as much as possible, so that the muscle layer can be easily punctured after the needle is inserted, and the adipose layer is less brought in when the needle is knotted later), the puncture forceps holder 1 is held by the handle 124, the needle is inserted along the needle inclined 30-45 degrees with the longitudinal axis (note that the inflatable air bag 22 of the temporary closing orifice device 2 is punctured carefully when the needle is just punctured, the hemispherical surface of the hemispherical fixture 1111 on the inner needle 11 firstly contacts the tissue of the patient, the inner needle 11 cannot puncture the tissue continuously downwards because the hemispherical surface is not sharp, after a force is continuously applied downwards, the inner needle 11 shortens the spring 122 connected with the rear end under the pressure, the inner needle 11 moves backwards through the opening B123 of the outer needle 12, then the front end of the outer needle 12 contacts the tissue, then the sharp opening A121 at the front end of the outer needle 12 smoothly punctures the subcutaneous layer, Muscle layer, peritoneal layer and puncture into the abdominal cavity. After entering the abdominal cavity, because the front end of the inner needle 11 has no pressure, the inner needle automatically extends out of the outer needle 12 under the action of the spring 122, then the handle A115 and the handle B116 are separated, the handle B116 is moved backwards to separate the first clamping piece 111 from the second clamping piece 112, under the direct vision of the laparoscope lens, the thread end B is dragged into the abdominal cavity by the assistance of the forceps of the laparoscopic instrument in the other laparoscopic operation hole, the folded part of the suture is pulled out of the gap between the first clamping piece 111 and the second clamping piece 112 of the inner needle, then the handle B116 is moved forwards to close the top end, the handle A115 and the handle B116 are locked, and the puncture forceps holder 1 is withdrawn.

Then the hemostat with jaws for temporarily closing the orifice device 2 is placed on the other side, the opposite side is operated, the fat layer penetrates into the abdominal cavity at the symmetrical part at the same angle, then the handle A115 and the handle B116 are opened, so that the first clamping piece 111 and the second clamping piece 112 are separated, the thread end B is sent into the gap between the first clamping piece 111 and the second clamping piece 112 with the help of the laparoscopic lens and the laparoscopic instrument forceps, then the handle A115 and the handle B116 are locked, the first clamping piece 111 and the second clamping piece 112 are closed, so that the thread end B is firmly clamped between the first clamping piece 111 and the second clamping piece 112, and then the puncture forceps clamping part 1 is pulled out; then, a 5ml syringe is connected to the syringe port 21 at the head end of the temporary closure orifice device 2, the gas in the inflatable bag 22 at the tail end of the temporary closure orifice device 2 is withdrawn to collapse the inflatable bag 22, and then the temporary closure orifice device 2 is withdrawn at the same time. This allows the two muscle and peritoneal layers to be penetrated. (although not temporarily tied, the port is placed in the laparoscopic lens to provide an intra-abdominal view for suturing the port opening, since once the port is tied to complete the port closure, the port opening of the port will not complete the above steps by the absence of a port placed in the laparoscopic lens in cooperation with the intra-abdominal procedure). And moving the laparoscope lens from the observation hole into the main operation hole, repeating the steps to finish the suturing, and then knotting the main operation hole and the observation hole line end A, B to finish the suturing. Thus, the muscle layer and the peritoneum can be tightly sutured together, and the superficial tissues are sutured to finish the whole operation. If the aperture is larger, multiple ranges of multiple-dimensional penetration may be required, and the above steps are repeated.

The distance between the first clamping member 111 and the second clamping member 112 of the present invention is controlled by adjusting the distance between the handle a115 and the handle B116, and when the handle a115 and the handle B116 are completely locked, the first clamping member 111 and the second clamping member 112 are tightly connected; the initial length of the spring 122 of the present invention is the length of the handle a115 at the leftmost end of the opening B123 of the outer needle 12 when the handle a115 and the handle B116 are completely locked; when the lock between the handle A115 and the handle B116 is opened, the full opening or the partial opening can be selected, as long as the suture can be placed in the gap between the top first clamping piece 111 and the second clamping piece 112.

It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Claims (10)

1. A device for facilitating the closing of laparoscopic Trocar ports, characterized by comprising a piercing jaw (1) and a temporary port closing device (2);

the puncture forceps holder (1) comprises an inner needle (11) and an outer needle (12), wherein the inner needle (11) is movably connected in the outer needle (12); the inner needle (11) comprises a first clamping piece (111) and a second clamping piece (112), and the first clamping piece (111) is movably connected with the second clamping piece (112); a sharp opening A (121) is formed in the front end of the outer needle (12), a cavity for the inner needle (11) to move is formed in the outer needle (12), and a spring (122) is welded between the rear end of the outer needle (12) and the rear end of the inner needle;

the head end of the temporary orifice closing device (2) is provided with an injector interface (21), the tail of the temporary orifice closing device (2) is provided with an inflatable air bag (22), and the injector interface (21) is connected with the inflatable air bag (22) through an air duct (23).

2. The device for conveniently closing the laparoscopic Trocar port as claimed in claim 1, wherein the inner side of the lower end of the first clamping member (111) is provided with a sliding rail (113), the lower end of the second clamping member (112) is provided with a sliding groove (114) matched with the sliding rail (113), and the second clamping member (112) is slidably connected to the first clamping member (111) through the sliding rail (113) and the sliding groove (114).

3. The device for conveniently closing the laparoscopic Trocar port as claimed in claim 2, wherein a handle A (115) is provided at the lower side of the rear end of said first holding member (111), a handle B (116) is provided at the lower side of the rear end of said second holding member (112), and said handle A (115) is detachably connected with said handle B (116).

4. A device for conveniently closing the laparoscopic Trocar port as claimed in claim 3, wherein said handle a (115) is provided with a first connector (117) at the rear end thereof, and said handle B (116) is provided with a second connector (118) at the front end thereof, and the detachable connection of said handle a (115) and said handle B (116) is realized through said first connector (117) and said second connector (118).

5. A device for conveniently closing the laparoscopic Trocar port as claimed in claim 4, wherein said first connecting member (117) is provided with saw teeth A (119) at the upper end thereof, and said second connecting member (118) is provided with saw teeth B (1110) at the lower end thereof to match with said saw teeth A (119), and the detachable connection of said handle A (115) and said handle B (116) is realized through said saw teeth A (119) and B (1110).

6. The device for conveniently closing the laparoscopic Trocar port as claimed in claim 2, wherein the front end of the first clamping member (111) is provided with a hemispherical fixture (1111), and the front end of the second clamping member (112) is provided with a cylindrical fixture (1121) opposite to the circular surface of the hemispherical fixture (1111).

7. A device for facilitating the closing of a laparoscopic Trocar port according to claim 4, characterized in that the lower side of the rear end of said outer needle (12) is further provided with an opening B (123), said opening B (123) being used for the forward and backward movement of said inner needle (11) inside said outer needle (12).

8. The device for conveniently closing the laparoscopic Trocar port as claimed in claim 4, wherein a handle (124) is further provided at the periphery of the outer needle (12), a groove A (1241) is provided at the upper end of the handle (124), a groove B (1242), a groove C (1243), a groove D (1244) and a groove E (1245) are provided at the lower end of the handle (124), and the arrangement of the groove A (1241), the groove B (1242), the groove C (1243), the groove D (1244) and the groove E (1245) is in accordance with the characteristic of the hand-held state of a human body.

9. The device for conveniently closing the laparoscopic Trocar port as claimed in claim 6, wherein the circular surface of said semispherical fixture block (1111) is provided with a thread A (1112), and the circular surface of the front end of said cylindrical fixture block (1121) is provided with a thread B (1122) matching with said thread A.

10. The device for facilitating the closing of a laparoscopic Trocar port according to claim 1, wherein said airway tube (23) is made of rubber material and can be freely bent under the action of external force.

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