CN213722204U - Endoscope cervical orifice bundling system - Google Patents

Abstract

The utility model discloses an endoscope cervical orifice binding system contains binding apparatus and delivery device. The binding device comprises a binding mechanism, a fixing mechanism and a binding hole. The bundling mechanism is provided with at least 1 positioning groove; the fixing mechanism comprises a through hole and at least 1 positioning convex step; the near end of the bundling mechanism is connected to the fixing mechanism, and the far end of the bundling mechanism can penetrate through the through hole to form a bundling hole; the positioning convex step is embedded in the positioning groove to prevent the far end of the binding mechanism from loosening or slipping from the fixing mechanism. The delivery device comprises a delivery sheath tube, the bundling device can be folded in the delivery sheath tube, the bundling device can be released from the delivery sheath tube after reaching the operation position through the operation channel, the tissue to be bundled is placed in the bundling hole, the bundling mechanism is pulled, the bundling hole is folded, the tissue is fastened and sealed, the tissue fluid is effectively prevented from overflowing, the seeding of tumor cells is avoided, and the operation process is safer. The delivery sheath is designed to be particularly suitable for use under endoscopic surgery.

Description

Endoscope cervical orifice bundling system

Technical Field

The utility model relates to an endoscopic surgery instrument, in particular to an endoscopic cervical orifice bundling system used in endoscopic surgery.

Background

With the development of endoscopic techniques, more and more surgeries are performed under endoscopic surgery, including many malignant tumor surgeries as well as endoscopic surgeries, including total hysterectomy for cervical cancer.

When a laparoscope is used for carrying out cervical cancer surgery, due to the flowing of carbon dioxide airflow forming pneumoperitoneum pressure, if cervical cancer tissues or cancer cells leak, seeding of the cancer cells in the abdominal cavity is easily caused, and the prior art has no effective solution to the problem, so that the laparotomy is clinically recommended to avoid seeding of the cancer cells in the abdominal cavity along with the flowing of the carbon dioxide airflow.

Therefore, it is required to develop a binding apparatus which can be easily delivered into the body at the time of laparoscopic surgery, can be bound at an ionized cervix safe vaginal site after the uterus is separated from surrounding tissues and ligaments, completely seals the anterior vagina of the cervix, thus completely preventing the spread of cancer cells, and then can be cut off to safely take out the excised lesion uterus from the body. The utility model aims to design a cervical orifice bundling device which can be used for total hysterectomy in endoscopic surgery.

Disclosure of Invention

The utility model discloses endoscope cervical orifice binding system, strapping can draw in delivering the device, and internal is sent into through operation passageway, and after the release strapping, can effectively tie up the vagina at safe position before the cervix to seal completely the passageway that cervical carcinoma tissue or liquid flowed out, thereby avoid cancer cell along with the flow of carbon dioxide air current and in the seeding of abdominal cavity, be particularly suitable for the complete hysterectomy operation under the endoscope minimal access surgery.

The utility model discloses system is tied up to endoscope cervical orifice, its characterized in that: the endoscope cervical port bundling system 900 comprises a bundling device 100 and a delivery device 200, wherein the bundling device 100 can be folded in the delivery device 200;

A. the binding device 100 comprises a binding mechanism 11, a fixing mechanism 12 and a binding hole 13;

B. the bundling mechanism 11 is provided with at least 1 positioning groove 11-1; the fixing mechanism 12 comprises a through hole 12-1 and at least 1 positioning convex step 12-2; the proximal end 101 of the binding mechanism 11 is connected to the fixing mechanism 12, and the distal end 102 of the binding mechanism 11 passes through the through hole 12-1 to form a binding hole 13; the positioning convex step 12-2 is embedded in the positioning groove 11-1 to prevent the distal end 102 of the bundling mechanism 11 from loosening or slipping from the fixing mechanism 12;

C. the delivery device 200 includes a delivery sheath 21, and the bundling device 100 can be folded in the delivery sheath 21.

In use, the bundling device 100 can be collapsed within the delivery sheath 21, conveniently passed through a surgical pathway to a surgical site, and released by pushing the bundling device 100 out of the delivery sheath 21. Then, the tissue to be bundled is placed in the bundling hole 13, the bundling mechanism 11 is continuously pulled towards the far end, the bundling hole 13 is continuously folded, and finally the tissue is bundled until the tissue is completely closed, so that the tissue fluid can be effectively prevented from overflowing, and the cancer cells can be prevented from being sown.

Further, the binding mechanism 11 is a binding tape 1-1. The strapping means 11 is preferably a strap 1-1 having a surface area that better secures the strapping process without easily cutting or breaking the tissue to be strapped. Of course, those skilled in the art may design the binding mechanism 11 into various other binding mechanisms such as a chain structure, a bead structure, etc., without departing from the scope of the present application.

The strapping tape 1-1 is made of soft elastic medical materials. The strapping tape 1-1 is made of soft elastic materials, so that the strapping firmness is guaranteed, meanwhile, the tissue can be better attached, and the reliability of cavity closure is further guaranteed.

The positioning groove 11-1 is a continuous positioning groove 11-11 which can be continuously adjusted. The positioning groove 11 is a continuous positioning groove 11-1, so that the binding hole 13 can be fixed at any position according to the size of the tissue and the tension degree of the binding.

The positioning groove 11-1 is a one-way movement groove 11-12. The design of unidirectional motion can ensure that the bundling mechanism 11 can only move towards one direction in the clinical use process, and the tissue bundling process is not accidentally loosened due to reverse motion.

The delivery device 200 further includes a pushing mechanism 22, and the pushing mechanism 22 can push out the bundling device 100 gathered in the delivery sheath 21. The pushing mechanism 22 may be a linked pushing mechanism 201 connected to the fixing mechanism 12, or may be an independent pushing mechanism 202 which is designed separately and can push out the bundling apparatus 100 through the delivery sheath 21.

The pushing mechanism 22 comprises a through hole 22-1; the distal end 102 of the tying mechanism 11 of the tying device 100 is exposed to the outside of the delivery device 200 after passing through the through hole 22-1. The distal end 102 of the binding mechanism 11 is exposed outside the delivery device 200, and during clinical use, the physician can gather the binding holes 13 of the binding apparatus 100 directly in vitro, which is more convenient.

The distal end 102 of the strapping mechanism 11 is provided with a pull ring 11-2. The strapping mechanism 11 can be easily pulled to close the strapping opening 13 by the pull ring 11-2.

The bundling mechanism 11 is provided with an anti-skid mechanism 11-3. The utility model discloses a binding apparatus when tying up the completion back to the tissue, in clinical use, need carry out various operation operations near the tissue of being tied up, at whole clinical operation in-process, binding mechanism 11 can not loosen, drop from the tissue, consequently, the utility model discloses endoscope cervical orifice binding system is in be equipped with anti-skidding mechanism 11-3 on the binding mechanism 11, its core aim at prevent the operation in-process binding mechanism 11 is from relaxing, the slippage from the tissue of being tied up.

The anti-skid mechanism 11-3 is an anti-skid pattern 11-31 or an anti-skid convex step 11-32 arranged on the bundling mechanism 11. The applicant only lists the 2 specific anti-skid structures, and in practical application, those skilled in the art can design different anti-skid structures according to needs without departing from the protection scope of the present application.

The anti-slip threads 11-31 are distributed in the longitudinal direction of the strapping 1-1. Since the continuous positioning groove 11-1 of the binding band 1-1 has the function of preventing the lateral slipping, the important function of the anti-slip means 11-3 is to prevent the binding means 11 from slipping along the tissue axis, and therefore, the anti-slip threads 11-31 are generally distributed along the longitudinal direction of the binding band 1-1.

The bundling mechanism 11 is provided with an opening device 11-4. Since the bundling device 100 is folded in the delivery sheath 21 during the delivery process, and the bundling mechanism 11 is not easily restored by the compression deformation of the bundling hole 13 due to the constraint action of the delivery sheath 21 on the bundling device 100 when the bundling device 100 is released from the delivery sheath 21, the expanding device 11-4 is designed to expand the bundling mechanism 11 after the bundling device 100 is released from the delivery sheath 21, so as to restore the shape of the bundling hole 13.

Said opening means 11-4 are elastic opening means 11-41. The elastic opening devices 11-41 can automatically apply elastic opening force to the bundling mechanism 11, and when the bundling device 100 is released from the delivery sheath 21 during clinical use, the elastic opening devices 11-41 automatically apply elastic opening force to the bundling mechanism 11, so that the bundling mechanism 11 automatically opens to restore the shape of the bundling hole 13, and the clinical use is more convenient.

The far end of the pushing mechanism 22 is provided with a limiting device 22-2; the fixing mechanism 12 is connected to the position limiting device 22-2 through a binding wire 121. The fixing mechanism 12 is connected to the pushing mechanism 22, so that the pushing mechanism 22 can move the bundling device 100 back and forth in the delivery sheath 21. Meanwhile, a limiting device 22-2 is arranged at the far end of the pushing mechanism 22, the fixing mechanism 12 is connected to the limiting device 22-2 through the strapping line 121, and the strapping device 100 and the pushing mechanism 22 do not move relatively, so that the bundling movement of the strapping device 11 can be prevented from being accidentally caused during the process of bundling the strapping device 100 into the delivery sheath.

The near end of the pushing mechanism 22 is provided with a push-pull handle 22-3. The pushing and pulling handle 22-3 provided at the proximal end of the pushing mechanism 22 can facilitate pushing and pulling the pushing mechanism 22 to reciprocate in the delivery sheath 21.

The proximal end of the delivery sheath 21 is provided with a grip 21-1. In the clinical use process, medical personnel can conveniently hold the holding part 21-1, and the medical personnel are not easy to slip in the pushing and pulling process, so that the use is more convenient and safe.

The pushing mechanism 22 also comprises a locking mechanism 22-5; when the locking mechanism 22-5 is in the locked state, the bundling device 100 is fixed inside the delivery sheath 21 and does not come out of the delivery sheath 21. Because the locking mechanism 22-5 can fix the bundling device 100 inside the delivery sheath 21, the bundling device 100 will not be accidentally removed from the delivery sheath 21 during transportation and clinical use, thereby ensuring that the bundling device 100 is not contaminated and the transportation and use process is safe.

The locking mode of the locking mechanism 22-5 is a concave-convex card matching locking mode, a rotating locking mode or an interference matching locking mode. In practical applications, a person skilled in the art may design different locking modes as required, without departing from the scope of protection of the present application.

The pushing mechanism 22 also comprises a furling mechanism 22-6; the furling mechanism 22-6 can tighten the strapping device 100 after the strapping device 100 binds the tissue, and take the remaining part of the trimmed strapping device 11 out of the body through the pushing mechanism 22. The furling mechanism 22-6 is generally disposed at the distal end of the delivery sheath 21 or the pushing rod 22-4, and the furling mechanism 22-6 can be fixedly connected to the bundling mechanism 11, and the bundling mechanism 11 moves along with the retracting movement of the furling mechanism 22-6, so as to tighten the bundling hole 13 and bundle the tissues. After the binding hole 13 is tightened, the binding mechanism 11 is cut off, and the cut binding mechanism 11 can be taken out of the body along with the pushing mechanism 22, so that the clinical use is very convenient.

The endoscopic cervical os bundling system 900 is made of a medical material. Because the endoscope cervical orifice bundling system of the utility model needs to enter the human body for use, the parts contacting with the human body need to be made of medical materials, so as to ensure the biocompatibility requirement in clinical use.

In clinical use, after the tissues around the uterus 500, the ligaments and the tissues beside the vagina are separated and cut off, the bundling device 100 is used for bundling the upper section of the vagina to prevent the cervix and cancer cells 5-1 on the affected vaginal wall from entering the abdominal cavity, and then the vagina is cut off and the specimen is taken out.

Taking the endoscopic cervical os bundling system of the present invention with the pushing mechanism 22 as an example, during specific operation, after the tissue and ligament around the uterus are separated and cut off, the uterus is dissociated, the bundling device 100 is collected in the delivery sheath 21, the delivery sheath 21 reaches the surgical site through the surgical channel such as the puncture device sheath, the pushing mechanism 22 is pushed to release the bundling device 100 from the delivery sheath 21, then the bundling device 100 is sleeved in the vagina outside of the cervical os through the bundling hole 13, the pull ring 11-2 is pulled backwards, the bundling mechanism 11 is pulled to move, the bundling hole 13 is collected until the vaginal tissue outside the cervical os is bundled together and completely closed, then the vagina 600 is cut off by an ultrasonic knife, the closed uterus 500 is bundled up by the cervical os, and the body is taken out through the vagina; or the uterus 500 with the closed and tied cervical orifice is placed in an endoscope fetching band and taken out of the body through the vagina 600.

The endoscope cervical os bundling system of the present invention comprises a bundling device 100 and a delivery device 200. The binding apparatus 100 includes a binding mechanism 11, a fixing mechanism 12, and a binding hole 13. The design of unidirectional motion can ensure that the bundling mechanism 11 can only move towards one direction in the clinical use process, and the tissue bundling process is not accidentally loosened due to reverse motion. The delivery device comprises a delivery sheath 21, the bundling device 100 can be folded in the delivery sheath 21, after reaching a surgical site through a surgical channel such as a puncture device sheath, the bundling device 100 can be released from the delivery sheath 21 through the pushing mechanism 22, tissues to be bundled are placed in the bundling hole 13, the bundling mechanism 11 is continuously pulled towards the far end, the bundling hole 13 can be continuously folded, and finally the tissues are fastened and closed, so that tissue fluid can be effectively prevented from overflowing in the tissue taking-out process, seeding of tumor cells is avoided, and the surgical process is safer. The delivery sheath is designed to be particularly suitable for use under endoscopic surgery.

Drawings

Fig. 1 is a front view of the bundling device of the endoscopic cervical os bundling system of the present invention compressed within a delivery device.

Fig. 1-1 is a sectional view a-a of fig. 1.

Figures 1-2 are front views of the strapping device of figure 1 after release from within a delivery device.

Fig. 1-3 are cross-sectional views B-B of fig. 1-2.

Fig. 1-4 are perspective views of the binding device with anti-slip convex steps.

Fig. 1-5 are schematic perspective views of a binding device with non-slip threads.

Fig. 1-6 are schematic diagrams illustrating the operation of the endoscopic cervical os bundling system of the present invention.

Fig. 2 is a front view of the bundling device of the endoscopic cervical os bundling system of the present invention with an independent pushing mechanism compressed within the delivery device.

Fig. 2-1 is a cross-sectional view C-C of fig. 2.

Fig. 2-2 are front views of the strapping device of fig. 2 after release from within a delivery device.

Fig. 2-3 are cross-sectional views D-D of fig. 2-2.

Fig. 2-4 are enlarged views at E of fig. 2-3.

Fig. 3 is a schematic perspective view of an endoscopic cervical os bundling system according to the present invention with a linkage pushing mechanism.

Fig. 3-1 is a front view of fig. 3.

Fig. 3-2 is a sectional view F-F of fig. 3-1.

Fig. 3-3 is an enlarged view at G of fig. 3-2.

Fig. 3-4 are left side views of fig. 3.

Fig. 3-5 are sectional views H-H of fig. 3-4.

Fig. 3-6 are enlarged views at I of fig. 3-5.

Figures 3-7 are schematic perspective views of the strapping device of figure 3 compressed within a delivery device.

Fig. 3-8 are front views of fig. 3-7.

Fig. 3-9 are sectional views J-J of fig. 3-8.

Fig. 3-10 are schematic views of an endoscopic cervical port bundling system of the present invention inserted into a human body from a puncture instrument.

Figures 3-11 are schematic views of the strapping device as it is released within the body.

Figs. 3-12 are schematic views illustrating the operation of tightening the cervical os.

Fig. 3-13 are schematic views of the operation of the delivery device when it is removed.

Fig. 4 is a schematic perspective view of an endoscopic cervical os bundling system according to the present invention with an expander.

Fig. 4-1 is a front view of fig. 4.

Fig. 4-2 is a cross-sectional view K-K of fig. 4.

Fig. 5 is a schematic perspective view of the locking endoscope cervical port bundling system of the present invention.

Fig. 5-1 is a cross-sectional view of fig. 5.

Fig. 5-2 is an enlarged view at L of fig. 5-1.

Fig. 5-3 is an enlarged view at M of fig. 5-1.

Fig. 6 is a schematic perspective view of the endoscopic cervical os bundling system according to the present invention in an unlocked state.

Fig. 6-1 is a cross-sectional view of fig. 6.

Fig. 6-2 is an enlarged view at N of fig. 6-1.

Fig. 6-3 is an enlarged view at O of fig. 6-1.

Fig. 7 is a schematic perspective view of the endoscopic cervical os bundling system according to the present invention when the pushing rod is retracted.

Fig. 7-1 is a cross-sectional view P-P of fig. 7.

Fig. 7-2 is an enlarged view at Q of fig. 7-1.

Fig. 8 is a schematic perspective view of an endoscope cervical port tying system of the present invention when the tying device is closed by a closing device after tissue tying.

Fig. 8-1 is a cross-sectional view R-R of fig. 8.

FIG. 8-2 is an enlarged view of FIG. 8-1 at S

In the above figures:

100 is a binding device, 200 is a delivery device, 400 is an operating forceps, 500 is a uterus, and 900 is the endoscope cervical orifice binding system of the utility model; 5-1 is a cancer cell.

The bundling device is provided with:

1-1 is a strapping tape.

101 is the proximal end of the strapping mechanism and 102 is the distal end of the strapping mechanism.

A binding mechanism 11, a fixing mechanism 12 and a binding hole 13 are provided.

11-1 is a positioning groove, 11-2 is a pull ring, 11-3 is an anti-skidding mechanism, 11-4 is an opening device, 11-5 is a clamping mechanism, and 11-6 is a limiting groove; 12-1 is a through hole, 12-2 is a positioning convex step, and 12-3 is a clamping part.

11-11 are continuous positioning grooves, 11-12 are unidirectional movement grooves, 11-31 are anti-skid lines, 11-32 are anti-skid convex steps, 11-41 are elastic opening devices, and 11-51 are anti-skid clamping surfaces; 12-31 are holding grooves.

12-31-1 is a holdable polygon, and 12-31-2 is a stop block; 11-41-1 is a spring plate.

On the delivery device:

201 is a linkage pushing mechanism, and 202 is an independent pushing mechanism.

21 is a delivery sheath and 22 is a pushing mechanism.

21-1 is a holding part, 21-2 is a sealing device, and 21-3 is a locking groove; 22-1 is a movement through hole, 22-2 is a limiting mechanism, 22-3 is a push-pull handle, 22-4 is a push rod, 22-5 is a locking mechanism, and 22-6 is a furling mechanism.

22-21 are central holes; 22-41 are locking blocks, 22-42 are positioning elastic sheets, and 22-43 are accommodating spaces; 22-51 are locking ends and 22-52 are positioning ends.

22-42-1 is a limit convex step.

121 is a binding wire.

Detailed Description

Example 1: the utility model discloses endoscope cervical orifice binding system

Referring to fig. 1 to 6, the endoscopic cervical os bundling system of the present embodiment includes a bundling device 100 and a delivery device 200.

Referring to fig. 1-4 and 1-5, the strapping device 100 includes a strapping mechanism 11, a securing mechanism 12, and a strap aperture 13.

The bundling mechanism 11 is provided with at least 1 positioning groove 11-1, and the fixing mechanism 12 comprises a through hole 12-1 and at least 1 positioning convex step 12-2; the proximal end 101 of the binding mechanism 11 is connected to the fixing mechanism 12, and the distal end 102 of the binding mechanism 11 can pass through the through hole 12-1; the positioning step 12-2 is embedded in the positioning groove 11 to prevent the distal end 102 of the binding mechanism 11 from loosening or slipping out of the fixing mechanism 12.

In this embodiment, the binding mechanism 11 is a binding tape 1-1. The strapping means 11 is preferably a strap 1-1 having a surface area that better secures the strapping process without easily cutting or breaking the tissue to be strapped. Of course, those skilled in the art may design the binding mechanism 11 as a binding device with various other structures, such as a chain structure, a bead structure, etc., and the applicant does not mention the above, but does not depart from the scope of the present application.

The strapping tape 1-1 is made of soft elastic medical materials. The soft elastic material can better fit the tissue while guaranteeing the binding firmness, and further guarantee the reliability of the cavity closure.

In this embodiment, the positioning groove 11-1 of the binding mechanism 11 is a continuous positioning groove 11-11 that can be continuously adjusted. During the process of folding the binding device, the binding device can be fixed at any position according to the size of tissues and the degree of tension required for binding.

Furthermore, the positioning groove 11 is a unidirectional movement groove 11-12 which can only move in a unidirectional way, so that the binding mechanism 11 can only move in one direction in the clinical use process, and the tissue binding process cannot be accidentally loosened due to reverse movement.

In this embodiment, the distal end 102 of the strapping mechanism 11 is provided with a clamping mechanism 11-5 for facilitating the clamping of the surgical instrument. To facilitate the laparoscopic tightening of the strapping mechanism 11 with surgical instruments, a clamping mechanism 11-5 is provided at the distal end 102 of the strapping mechanism 11 to facilitate the clamping of the surgical instruments. The clamping mechanism 11-5 can ensure that the far end of the bundling mechanism 11 is clamped by surgical instruments and is not easy to loosen when being pulled outwards and tensioned, and the accuracy of the operation bundling operation is improved.

Referring to fig. 1-5, in the embodiment, the clamping mechanism 11-5 is an anti-slip clamping surface 11-51, and in practical applications, a person skilled in the art can design different specific structures of the clamping mechanism as needed without departing from the scope of the present application.

In this embodiment, the bundling mechanism 11 is provided with an anti-slip mechanism 11-3. After the tissue is bundled, various surgical operations are required near the bundled tissue in clinical use, and the bundling device 100 cannot fall off from the tissue during the whole clinical operation, so that the tissue bundling device of the embodiment is provided with the anti-slip mechanism 11-3 on the bundling mechanism 11, and the purpose of preventing the bundling device 100 from slipping off from the bundled tissue during the operation is at the core.

Referring to fig. 1-4 and 1-5, the anti-slip mechanism 11-3 may be an anti-slip pattern 11-31 or an anti-slip raised step 11-32 provided on the strapping mechanism 11. The applicant only lists the 2 specific anti-skid structures, and in practical applications, those skilled in the art can design different anti-skid structures according to needs without departing from the protection scope of the present application.

In this embodiment, the anti-slip threads 11-31 are distributed along the longitudinal direction of the strapping tape 1-1. Since the continuous positioning groove 11-1 of the binding band 11 has the function of preventing the lateral slipping, the important function of the anti-slip mechanism 11-3 is to prevent the binding apparatus 100 from slipping axially along the tissue, and therefore, the anti-slip threads 11-31 are generally distributed along the longitudinal direction of the binding band 1-1.

Referring to fig. 1-4, in the present embodiment, the fixing mechanism 12 is provided with a clamping portion 12-3 for facilitating clamping of a surgical instrument. In the clinical use process, the fixing mechanism 12 needs to be held by the forceps 400 to draw and fold the bundling mechanism 11, so that the fixing mechanism 12 needs to be provided with a holding portion 12-3 for facilitating the holding of surgical instruments.

Referring to fig. 1-4 and 1-5, in the present embodiment, the clamping portion 12-3 is a clamping groove 12-31

The middle of the clamping groove 12-31 is provided with a clamping polygon 12-31-1, and the two ends are provided with anti-skid blocks 12-31-2.

The grippable polygon 12-31-1 is a hexahedron. The groove structure of the H-shaped hexahedron with the two convex sides and the concave middle is an optimized structure in the specific clamping grooves 12-31 which are convenient for clamping the laparoscopic surgery forceps. In a specific product design, a person skilled in the art can design different polygonal structures as required without departing from the scope of the present application.

In practice, those skilled in the art can design different clamping structures according to the needs, and the applicant does not list and exemplify these structures, but does not depart from the scope of the present application.

Referring to fig. 1 and 1-1, the delivery device 200 includes a delivery sheath 21, and the bundling device 100 is collapsible within the delivery sheath 21.

The strapping device 100 is made of a medical grade material. Because the tissue binding device of the embodiment needs to enter the human body for use, the parts contacting with the human body need to be made of medical materials so as to ensure the biocompatibility requirement of clinical use.

In clinical use, after the tissues around the uterus 500, the ligaments and the tissues beside the vagina are separated and cut off, the bundling device 100 is used for bundling the upper section of the vagina to prevent the cervix and cancer cells 5-1 on the affected vaginal wall from entering the abdominal cavity, then the vagina 600 is cut off, and the specimen is taken out.

In operation, after the tissue and ligaments around the uterus are separated and cut off, the uterus is dissociated, the bundling device 100 is collected in the delivery sheath 21, the delivery sheath 21 reaches the operation site through an operation channel such as a puncture device sheath, the bundling device 100 is released from the delivery sheath 21 by a surgical instrument, referring to fig. 1-2 and fig. 1-3, the bundling device 100 is sleeved on the vagina outside the cervical orifice through the bundling hole 13, then the fixing mechanism 12 is clamped by one surgical forceps 400, the distal end 102 of the bundling mechanism 11 is clamped by the other surgical forceps 400, the bundling mechanism 11 is pulled to move, the bundling hole 13 is collected until the vaginal tissue outside the cervical orifice is tightly bundled and completely closed, then the vagina 600 is cut off by an ultrasonic knife, referring to fig. 1-6, the uterus 500 with the closed cervical orifice bundled, taking out the body through vagina; or the uterus 500 with the closed and tied cervical orifice is placed in an endoscope fetching band and taken out of the body through the vagina 600.

The endoscope cervical orifice bundling system can tighten and seal tissues in the operation process, effectively prevents blood or tissue fluid from overflowing in the tissue taking-out process, avoids tumor cell transplantation and is safer in the operation process. Since the bundling device 100 is folded in the delivery sheath 21, the bundling device 100 can be conveniently delivered to the surgical field through the surgical channel such as a puncture instrument sheath with the delivery sheath 21, and is particularly suitable for endoscopic minimally invasive surgery.

Example 2: the utility model discloses endoscope cervical orifice binding system who contains push mechanism

Referring to fig. 2 to fig. 3 to 13, this embodiment is different from embodiment 1 in that in this embodiment, the delivery device 200 further includes a pushing mechanism 22.

The pushing mechanism 22 may push the bundling device 100 out of the delivery sheath 21 for release.

The pushing mechanism 22 may be a linked pushing mechanism 201 connected to the fixing mechanism 12, or may be an independent pushing mechanism 202 capable of pushing out the bundling apparatus 100 through the delivery sheath 21.

Referring to fig. 2 to 4, the proximal end of the independent pushing mechanism 202 may be provided with a push-pull handle 22-3, and when the push-pull handle 22-3 is pushed, the pushing rod 22-4 of the independent pushing mechanism 202 can move inside the delivery sheath 21 to push out and release the bundling device 100 gathered in the delivery sheath 21.

Referring to fig. 3-6, the pushing mechanism 22 is a linkage pushing mechanism 201. The pushing mechanism 22 comprises a limiting device 22-2, a push-pull handle 22-3 and a pushing rod 22-4. A movement through hole 22-1 is formed in a pushing rod 22-4 of the pushing mechanism 22, and the far end of the pushing rod 22-4 is connected with the limiting device 22-2.

The limiting device 22-2 is provided with a central hole 22-21. The central hole 22-21 is communicated with the motion through hole 22-1. The distal end 102 of the tying mechanism 11 of the tying device 100 may be exposed to the outside of the delivery device 200 after passing through the central hole 22-21 and the through hole 22-1.

Referring to fig. 3-5 and 3-6, in this embodiment, the securing mechanism 12 is attached to the stop 22-2 by a wire tie 121. Because the fixing mechanism 12 is connected to the pushing mechanism 22, the pushing mechanism 22 can drive the bundling device 100 to move back and forth in the delivery sheath 21. Meanwhile, there is no relative movement between the bundling device 100 and the pushing mechanism 22, so that the bundling mechanism 11 can be prevented from accidentally moving during the process of bundling the bundling device 100 into the delivery sheath 21.

In this embodiment, the distal end 102 of the strapping mechanism 11 is provided with a pull ring 11-2 to facilitate actuation of the strapping mechanism 11.

The proximal end of the delivery sheath 21 is provided with a grip 21-1 and a sealing means 21-2. In the clinical use process, medical personnel can conveniently hold the holding part 21-1, and the medical personnel are not easy to slip in the pushing and pulling process, so that the use is more convenient and safe. The sealing device 21-2 ensures that the delivery sheath 21 is in a sealed position during delivery and release of the strapping device 100, reducing the effects of the procedure on the pneumoperitoneum.

In clinical use, the push-pull handle 22-3 is firstly pulled backwards, the pushing device 22 drives the bundling device 100 to move backwards, and the bundling device 100 is collected into the delivery sheath, referring to fig. 3-7 to fig. 3-9. In operation, the tissue and ligament around the uterus are separated and cut off, the uterus is released, and then the delivery sheath 21 with the bundling device 100 compressed is passed through a puncture instrument sheath or other operation channel to reach the operation site, as shown in fig. 3 to 10. Pushing the pushing mechanism 22 releases the bundling device 100 from within the delivery sheath 21, see fig. 3-11. Then the binding device 100 is sleeved on the vagina outside the cervical orifice through the binding hole 13, the pull ring 11-2 is pulled backwards, the binding mechanism 11 is pulled to move, the binding hole 13 is closed until the vagina tissue outside the cervical orifice is tightly bound and completely closed, and then the vagina 600 is cut by an ultrasonic knife, refer to fig. 3-12. The wire 121 is now cut and the pull ring 11-2 is cut from the distal end 102 of the strapping mechanism 11, and the delivery device 200 is withdrawn through the surgical pathway, as shown in figures 3-13. Then the uterus 500 with the closed cervix mouth is tied up and taken out through the vagina; or the uterus 500 with the closed and tied cervical orifice is placed in an endoscope fetching band and taken out of the body through the vagina.

Example 3: the utility model discloses endoscope cervical orifice binding system with opening device

Referring to fig. 4 and 4-1, in this embodiment, compared with embodiment 2, the binding mechanism 11 further includes a spreading device 11-4.

Referring to fig. 4-2, in this embodiment, the opening means 11-4 is provided outside the binding mechanism 11.

In practice, the strapping means 11 may also be a composite structure, such as a flexible elastic film covered by a skin layer and the spreading device 11-4 embedded therein. Other various expander structures can be devised by those skilled in the art, and the applicant does not exemplify here, without departing from the scope of protection of the present application.

Said opening means 11-4 are elastic opening means 11-41. The elastic opening device 11-41 comprises an elastic sheet 11-41-1. The elastic sheet 11-41-1 is arranged on the bundling mechanism 11. The elastic sheets 11-41-1 can automatically apply elastic opening force to the bundling mechanism 11.

In clinical use, when the bundling device 100 is released from the delivery sheath 21, the elastic pieces 11-41-1 automatically spring open to apply an elastic opening force to the bundling mechanism 11, so that the bundling mechanism 11 automatically opens to restore the shape of the bundling hole 13, referring to fig. 4 and 4-2

Because the opening device is arranged, the bundling device 100 can be compressed and furled in the delivery sheath 21 in advance, and the bundling device 100 can be used only by directly releasing the bundling device 100 in clinical use, so that the clinical use process is more convenient.

Example 4: the cervical orifice bundling system of endoscope of the utility model with a locking mechanism

Referring to fig. 5 to 6-3, the present embodiment is different from embodiment 2 in that in the present embodiment, the pushing mechanism 22 further includes a locking mechanism 22-5.

In this embodiment, the pushing mechanism 22 includes a push-pull handle 22-3, a pushing rod 22-4 and a locking mechanism 22-5.

Referring to fig. 5 to 5-3, the proximal end of the push rod 22-4 is provided with a locking block 22-41, and a locking groove 21-3 provided at the proximal end of the delivery sheath 21 constitutes a locking end 22-51 of the locking mechanism 22-5 of a male-female snap fit structure. Meanwhile, a positioning elastic sheet 22-42 is arranged at the far end of the pushing rod 22-4, a limiting groove 11-6 is arranged at the position, close to the fixing device 12, of the bundling mechanism 11, the bundling mechanism 11 is pushed into an object accommodating space 22-43 of the pushing rod 22-4, when the limiting groove 11-6 is pushed to the position below the positioning elastic sheet 22-42, the positioning elastic sheet 22-42 is bounced and embedded into the limiting groove 11-6, and the bundling device 100 is positioned in the pushing rod 22-4. The positioning elastic sheet 22-42 and the limiting groove 11-6 form a positioning end 22-52 of the locking mechanism 22-5.

In this embodiment, in practical application that the locking manner of the locking mechanism 22-5 is a male-female card fit locking manner, a person skilled in the art may design different locking manners such as a rotation locking manner or an interference fit locking manner according to needs, and the applicant does not exemplify here, but does not depart from the protection scope of the present application.

Referring to fig. 5 and 5-1, the pushing mechanism 22 is disposed within the delivery sheath 21, and the fixation device 12 is exposed outside the delivery sheath 21. During transportation and transfer, the locking end 22-51 is in a locked state, the bundling apparatus 100 is positioned in the pushing rod 22-4, and the pushing mechanism 22 is fixed in the delivery sheath 21 without slipping.

Referring to fig. 6 to 6-3, in clinical use, the push rod 22-4 is rotated, the locking block 22-41 slides out of the locking groove 21-3, and the locking state of the locking end 22-51 is released. When the pushing rod 22-4 is retracted, the fixing device 12 is blocked by the distal end of the delivery sheath 21 because the fixing device 12 is exposed outside the delivery sheath 21, the positioning elastic pieces 22-42 are pressed to be retracted during the backward movement of the pushing rod 22-4, the pushing rod 22-4 is retracted, but the bundling device 100 stays in the original position and cannot move backward along with the pushing rod 22-4 until the pushing rod 22-4 exits the delivery sheath 21, and the bundling device 100 is detached from the delivery sheath 21 and enters the body, as shown in fig. 7 to 7-2. Or after the pushing rod 22-4 is retreated for a certain distance, the pushing rod 22-4 is pushed forwards again, the bundling device 100 is pushed into the body for a certain distance by utilizing the friction force between the object containing space 22-43 and the bundling mechanism 11, and then the bundling device 100 is clamped and carried into the body by using the surgical forceps.

Referring to fig. 8 to 8-2, in this embodiment, a limiting convex step 22-42-1 is disposed on the positioning elastic sheet 22-42, the limiting convex step 22-42-1 is matched with a positioning groove 11-1 disposed on the bundling mechanism 11, after the bundling device 100 bundles tissues, the bundling mechanism 11 is placed into the accommodating space 22-43 in a direction that the distal positioning groove 11-1 faces downward, and the positioning groove 11-1 and the limiting convex step 22-42-1 are inlaid together to form a fixed connection, so as to form a furling mechanism 22-6. The pushing rod 22-4 is retreated backwards, the furling mechanism 22-6 drives the bundling mechanism 11 to move backwards, the bundling hole 13 formed by the bundling mechanism 11 and the fixing device 12 exposed outside the delivery sheath 21 is gradually furled under the blocking action of the end of the delivery sheath 21, so as to bundle the tissue, after the bundling is finished, the bundling mechanism 11 is cut by an operating forceps, and the cut bundling mechanism 11 can be taken out of the body along with the delivery sheath 21 and the pushing rod 22-4, so that the clinical use process is very convenient.

It should be noted that the structures disclosed and described herein may be replaced by other structures having the same effect, and the embodiments described herein are not the only structures for implementing the present invention. Although preferred embodiments of the present invention have been shown and described herein, it will be apparent to those skilled in the art that these embodiments are merely illustrative and that numerous changes, modifications and substitutions can be made without departing from the invention herein, and it is intended that the scope of the invention be defined by the spirit and scope of the appended claims.

Claims (20)

1. Endoscope cervical orifice binding system, its characterized in that: the endoscope cervical port bundling system (900) comprises a bundling device (100) and a delivery device (200), wherein the bundling device (100) can be folded in the delivery device (200);

A. the binding device (100) comprises a binding mechanism (11), a fixing mechanism (12) and a binding hole (13);

B. at least 1 positioning groove (11-1) is arranged on the bundling mechanism (11); the fixing mechanism (12) comprises a through hole (12-1) and at least 1 positioning convex step (12-2); the proximal end (101) of the binding mechanism (11) is connected to the fixing mechanism (12), and the distal end (102) of the binding mechanism (11) can pass through the through hole (12-1) to form a binding hole (13); the positioning convex step (12-2) is embedded in the positioning groove (11-1) to prevent the distal end (102) of the bundling mechanism (11) from loosening or slipping from the fixing mechanism (12);

C. the delivery device (200) comprises a delivery sheath (21), and the bundling device (100) can be folded in the delivery sheath (21).

2. The endoscopic cervical os bundling system according to claim 1, wherein: the strapping means (11) is a strapping tape (1-1).

3. The endoscopic cervical os bundling system according to claim 2, wherein: the strapping tape (1-1) is made of soft elastic medical materials.

4. The endoscopic cervical os bundling system according to claim 1, wherein: the positioning groove (11-1) is a continuous positioning groove (11-11) which can be continuously adjusted.

5. The endoscopic cervical os bundling system according to claim 1, wherein: the positioning groove (11-1) is a one-way movement groove (11-12).

6. The endoscopic cervical os bundling system according to claim 1, wherein: the delivery device (200) further comprises a pushing mechanism (22), and the pushing mechanism (22) can push out the bundling device (100) collected in the delivery sheath (21).

7. The endoscopic cervical os bundling system according to claim 6, wherein: the pushing mechanism (22) comprises a movement through hole (22-1); the far end (102) of the binding mechanism (11) of the binding device (100) passes through the movement through hole (22-1) and then is exposed outside the delivery device (200).

8. The endoscopic cervical os bundling system according to claim 7, wherein: the far end (102) of the bundling mechanism (11) is provided with a pull ring (11-2).

9. The endoscopic cervical os bundling system according to claim 1, wherein: and the bundling mechanism (11) is provided with an anti-skid mechanism (11-3).

10. The endoscopic cervical os bundling system according to claim 9, wherein: the anti-skid mechanism (11-3) is an anti-skid pattern (11-31) or an anti-skid convex step (11-32) arranged on the bundling mechanism (11).

11. The endoscopic cervical os bundling system according to claim 10, wherein: the anti-skid threads (11-31) are distributed along the longitudinal direction of the binding mechanism (11).

12. The endoscopic cervical os bundling system according to claim 1, wherein: the bundling mechanism (11) is provided with an opening device (11-4).

13. The endoscopic cervical os bundling system according to claim 12, wherein: the opening device (11-4) is an elastic opening device (11-41).

14. The endoscopic cervical os bundling system according to claim 6, wherein: the far end of the pushing mechanism (22) is provided with a limiting device (22-2); the fixing mechanism (12) is connected to the limiting device (22-2) through a binding wire (121).

15. The endoscopic cervical os bundling system according to claim 6, wherein: the near end of the pushing mechanism (22) is provided with a push-pull handle (22-3).

16. The endoscopic cervical os bundling system according to claim 1, wherein: the proximal end of the delivery sheath (21) is provided with a grip (21-1).

17. The endoscopic cervical os bundling system according to claim 6, wherein: the pushing mechanism (22) also comprises a locking mechanism (22-5); when the locking mechanism (22-5) is in a locked state, the bundling device (100) is fixed in the delivery sheath (21) and does not come out of the delivery sheath (21).

18. The endoscopic cervical os bundling system according to claim 17, wherein: the locking mode of the locking mechanism (22-5) is a concave-convex card matching locking mode, a rotating locking mode or an interference matching locking mode.

19. The endoscopic cervical os bundling system according to claim 6, wherein: the pushing mechanism (22) also comprises a furling mechanism (22-6); the furling mechanism (22-6) can tighten the bundling device (100) after the bundling device (100) bundles the tissues, and can take the rest of the cut bundling mechanism (11) out of the body through the pushing mechanism (22).

20. The endoscopic cervical os bundling system according to claim 1, wherein: the endoscopic cervical port bundling system (900) is made of medical materials.

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