CN112451010A - Guide device of endoscope anastomat - Google Patents
Guide device of endoscope anastomat Download PDFInfo
- Publication number
- CN112451010A CN112451010A CN202011372673.1A CN202011372673A CN112451010A CN 112451010 A CN112451010 A CN 112451010A CN 202011372673 A CN202011372673 A CN 202011372673A CN 112451010 A CN112451010 A CN 112451010A
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- Prior art keywords
- guide
- tube
- guide tube
- hook
- arc
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Links
- 238000004804 winding Methods 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000741 silica gel Substances 0.000 claims abstract description 14
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 14
- 230000000295 complement effect Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 abstract description 6
- 230000003872 anastomosis Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 241000587161 Gomphocarpus Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/02—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
- A61B17/0218—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
- A61B90/17—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins for soft tissue, e.g. breast-holding devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Neurosurgery (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a guide device of an endoscope anastomat, which relates to the technical field of medical instruments and devices and comprises a guide tube, wherein an insert is embedded in the left end of the top of the guide tube, the guide tube is connected with a base through the insert, a silica gel pad is arranged on the right side of the guide tube, a guide hook is movably connected to the upper portion inside the guide tube, a roller is movably connected to the lower portion of the guide hook, a fixed block is embedded in the right side of the bottom of the guide hook, a spring is connected between the fixed block and the silica gel pad, and a guide ring is arranged on the lower portion inside the guide tube. According to the invention, the arc-shaped expansion piece, the hinge, the guide rope and the winding reel are arranged, the servo motor is started, the servo motor drives the winding reel to rotate, and then the arc-shaped expansion piece is driven by the guide rope to rotate around the hinge, so that other tissues are pulled out, the visual field of the operation is favorably expanded, and the other tissues of a human body cannot be damaged when the anastomat is used.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a guide device of an endoscopic anastomat.
Background
With the development of science and technology and the progress of times, medical instruments are more advanced, an anastomat is used in medicine to replace manual suturing equipment, the main working principle is to use titanium nails to separate or anastomose tissues, the anastomat is similar to a stapler, and the anastomat can be mainly divided into a skin anastomat, a circular anastomat, a rectal anastomat, an endoscope anastomat, a blood vessel anastomat, a lung cutting stapler and the like according to different application ranges, so that an endoscope anastomat guiding device is provided.
The prior art has the following problems: 1. in the guiding process of the existing guiding device, the surgical field of vision is small, and the anastomat is easy to hurt other tissues of a human body; 2. most of the existing guiding devices are used for guiding by strings, and the parts needing anastomosis are easy to cut during the guiding process, so that the difficulty of the operation is increased.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a guide device of an endoscopic anastomat.
In order to achieve the purpose, the invention provides the following technical scheme:
an endoscope anastomat guiding device comprises a guide tube, wherein an insert is embedded in the left end of the top of the guide tube, the guide tube is connected with a base through the insert, a silica gel pad is installed on the right side of the guide tube, a guide hook is movably connected to the upper portion of the inner portion of the guide tube, idler wheels are movably connected to the lower portion of the guide hook, a fixed block is embedded in the right side of the bottom of the guide hook, a spring is connected between the fixed block and the silica gel pad, a guide ring is installed on the lower portion of the inner portion of the guide tube, a connecting rod is movably connected to the inner portion of the guide ring, a knob is installed at the left end of the connecting rod, a nut is installed at the right end of the connecting rod, connecting columns are installed on the upper side and the lower side of the base, a winding reel is movably connected to the tail end of the connecting columns, a servo motor is, the tail end of the guide rope is connected with an arc-shaped expansion piece, a hinge is arranged between the arc-shaped expansion piece and the guide pipe, and the center of the right side of the base is provided with a locking groove.
Preferably, the outer wall of the guide hook is tightly attached to the outer wall of the roller, and the tail end of the guide hook is engraved with a reverse thread complementary to the internal thread of the nut.
Preferably, an elastic structure is formed between the fixing block and the silica gel pad through a spring, and the diameter of the silica gel pad is consistent with that of the guide tube.
Preferably, the connecting rod penetrates through the center of the guide ring from left to right, and the connecting rod is in sliding connection with the guide ring.
Preferably, a rotating structure is formed between the arc-shaped expansion pieces and the guide tube through hinges, and two groups of the arc-shaped expansion pieces are symmetrically distributed around the central axis of the guide tube.
Preferably, the winding reel is rotatably connected with the servo motor, and the center of the winding reel is tightly connected with the servo motor.
Preferably, the diameter of the circle where the arc-shaped expansion piece is located is larger than that of the guide tube, and the guide tube is in locking connection with the base.
Preferably, the locking groove is distributed in the center of the right side of the base in a circular ring shape, and the width of the locking groove is larger than that of the guide tube.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the arc-shaped expansion piece, the hinge, the guide rope and the winding reel are arranged, the servo motor is started, the servo motor drives the winding reel to rotate, and then the arc-shaped expansion piece is driven by the guide rope to rotate around the hinge, so that other tissues are pulled out, the visual field of the operation is favorably expanded, and the other tissues of a human body cannot be damaged when the anastomat is used.
2. According to the invention, the guide hook, the connecting rod and the screw cap are arranged, after the area needing to be anastomosed is found, the guide hook moves rightwards, after the area needing to be anastomosed enters the inner part of the guide hook, the guide hook moves reversely, the knob is rotated to drive the connecting rod to rotate, and further drive the screw cap to rotate, the screw cap is matched with the guide hook, the connecting rod is connected with the guide hook, so that the part needing to be anastomosed is fixed, the part needing to be anastomosed moves leftwards, the tissue needing to be anastomosed is pulled to the nail head of the anastomat to be anastomosed, the outer part of the guide hook is smooth, and the.
3. According to the invention, after anastomosis is finished, the fixed block, the spring, the screw cap and the guide hook are rotated reversely, so that the screw cap is separated from the guide hook, the guide hook returns to the original position under the action of the elastic force of the spring, the separation of the guide hook and the connecting rod is realized, the fixation of the guide hook on the anastomosis tissue can be released, and the separation after the anastomosis tissue surgery is ensured to be more convenient.
Drawings
FIG. 1 is a schematic view of the overall internal structure of the present invention;
FIG. 2 is a schematic view of the overall external structure of the present invention;
FIG. 3 is a schematic side view of the whole structure of the present invention;
FIG. 4 is a right side view of the base of the present invention.
In the figure: 1. a base; 2. an insert; 3. a guide hook; 4. a guide tube; 5. a roller; 6. a spring; 7. a nut; 8. a silica gel pad; 9. a guide ring; 10. a connecting rod; 11. a knob; 12. a guide rope; 13. an arc-shaped expansion sheet; 14. a spool; 15. connecting columns; 16. a hinge; 17. a servo motor; 18. a metal cover; 19. locking the groove; 20. and (5) fixing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions:
a guide device of an endoscope anastomat comprises a base 1, an insert 2, a guide hook 3, a guide tube 4, a roller 5, a spring 6, a screw cap 7, a silica gel pad 8, a guide ring 9, a connecting rod 10, a knob 11, a guide rope 12, an arc-shaped expansion sheet 13, a winding reel 14, a connecting column 15, a hinge 16, a servo motor 17, a metal cover 18, a lock groove 19 and a fixing block 20, wherein the insert 2 is embedded in the left end of the top of the guide tube 4, the guide tube 4 is connected with the base 1 through the insert 2, the silica gel pad 8 is installed on the right side of the guide tube 4, the guide hook 3 is movably connected to the upper portion of the inner portion of the guide tube 4, the roller 5 is movably connected to the lower portion of the guide hook 3, the fixing block 20 is embedded in the right side of the bottom of the guide hook 3, the spring 6 is connected between the fixing block 20 and the silica gel pad 8, the guide ring, knob 11 has been installed to the left end of connecting rod 10, and nut 7 is installed to the right-hand member of connecting rod 10, spliced pole 15 is installed to base 1's upper and lower both sides, and the terminal swing joint of spliced pole 15 has reel 14, the inside swing joint of reel 14 has servo motor 17, and servo motor 17's outside is provided with metal covering 18, the outer wall laminating of reel 14 has guide rope 12, the end-to-end connection of guide rope 12 has arc expansion piece 13, and install hinge 16 between arc expansion piece 13 and the guide tube 4, locked groove 19 has been seted up to base 1's right side central authorities.
As shown in fig. 1, the outer wall of the guide hook 3 is tightly fitted with the outer wall of the roller 5, the end of the guide hook 3 is engraved with a counter thread complementary to the internal thread of the nut 7, the tight fitting ensures the stability of the guide hook 3 during movement, and the end of the guide hook 3 is engraved with a counter thread complementary to the internal thread of the nut 7, so as to ensure that the guide hook 3 and the connecting rod 10 can be connected together through the nut 7.
As shown in fig. 1, an elastic structure is formed between the fixed block 20 and the silicone pad 8 through the spring 6, and the diameter of the silicone pad 8 is consistent with that of the guide tube 4, the elastic structure ensures that the guide hook 3 can return to the original position under the elastic force of the spring 6 after the external force acting on the left end of the guide hook 3 is removed, the diameter of the silicone pad 8 is consistent with that of the guide tube 4, and the silicone pad 8 is ensured to completely seal the right end of the guide tube 4.
As shown in fig. 1, the connecting rod 10 penetrates through the center of the guide ring 9 from left to right, and the connecting rod 10 is slidably connected with the guide ring 9, so that the connecting rod 10 is driven by the knob 11 to rotate, and the nut 7 is engaged with the guide hook 3 to connect the connecting rod 10 and the guide hook 3 together.
As shown in fig. 2 and 3, a rotating structure is formed between the arc-shaped expansion pieces 13 and the guide tube 4 through hinges 16, two groups of the arc-shaped expansion pieces 13 are symmetrically distributed about the central axis of the guide tube 4, the rotating structure ensures that the arc-shaped expansion pieces 13 can rotate around the hinges 16, and then the rest tissues are pulled apart, which is helpful for expanding the visual field of the operation, two groups of the arc-shaped expansion pieces 13 are symmetrically distributed about the central axis of the guide tube 4, so that the visual field can be expanded toward two directions at the same time, and the effect is better.
As shown in fig. 3, the winding reel 14 is rotatably connected to the servo motor 17, and the center of the winding reel 14 is tightly connected to the servo motor 17, so that the winding reel 14 can be driven by the servo motor 17 to rotate, and further the arc-shaped expansion piece 13 is driven by the guide rope 12 to rotate around the hinge 16, and the tight connection ensures that the winding reel 14 does not slip during the rotation process.
As shown in fig. 3, the diameter of the circle where the arc-shaped expansion piece 13 is located is larger than that of the guide tube 4, the guide tube 4 is connected with the base 1 through a lock catch, the diameter of the circle where the arc-shaped expansion piece 13 is located is larger than that of the guide tube 4, so that the operation of the guide tube 4 is not affected when the visual field is expanded, and the lock catch connection facilitates the separation between the guide tube 4 and the base 1.
As shown in fig. 4, the locking grooves 19 are distributed in the center of the right side of the base 1 in a circular ring shape, the width of the locking grooves 19 is greater than the width of the guide tube 4, the locking grooves 19 are distributed in the center of the right side of the base 1 in a circular ring shape, it is ensured that the base 1 and the guide tube 4 can be connected together in a matching manner through the insert 2 and the locking grooves 19, the width of the locking grooves 19 is greater than the width of the guide tube 4, and it is ensured that the guide tube 4 can enter the base 1.
The working principle and the using process of the invention are as follows: when in use, the guide tube 4 is inserted into the base 1, the guide tube 4 is rotated to enable the insert 2 to be matched with the locking groove 19 to connect the base 1 and the guide tube 4 together, the device is extended into the human body, the servo motor 17 (model: SQN31) is started, the servo motor 17 drives the winding reel 14 to rotate, the arc-shaped expansion sheet 13 is further driven by the guide rope 12 to rotate around the hinge 16, the rest tissues are further poked, the visual field of the operation is favorably expanded, the guide hook 3 is moved rightwards after the area needing to be inosculated is found, the guide hook 3 is moved reversely after the area needing to be inosculated enters the interior of the guide hook 3, the knob 11 is rotated, the connecting rod 10 is driven by the knob 11 to rotate, the nut 7 is matched with the guide hook 3, the connecting rod 10 is connected with the guide hook 3, the part needing to be inosculated is fixed, the part needing to be inosculated is moved leftwards, the tissues, after the anastomosis is finished, the knob 11 is rotated reversely to separate the screw cap 7 from the guide hook 3, the guide hook 3 returns to the original position under the action of the elastic force of the spring 6, and the servo motor 17 is started reversely to retract the arc-shaped expansion sheet 13, so that the device is moved out of the interior of the human body.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An endoscope anastomat guiding device comprises a guiding tube (4), and is characterized in that: the novel guiding tube is characterized in that an insert (2) is embedded in the left end of the top of the guiding tube (4), the guiding tube (4) is connected with a base (1) through the insert (2), a silica gel pad (8) is installed on the right side of the guiding tube (4), a guiding hook (3) is movably connected to the upper portion of the inner portion of the guiding tube (4), idler wheels (5) are movably connected to the lower portion of the guiding hook (3), a fixed block (20) is embedded in the right side of the bottom of the guiding hook (3), a spring (6) is connected between the fixed block (20) and the silica gel pad (8), a guide ring (9) is installed below the inner portion of the guiding tube (4), a connecting rod (10) is movably connected to the inner portion of the guide ring (9), a knob (11) is installed at the left end of the connecting rod (10), a nut (7) is installed at the right end of the connecting rod (, and the end swing joint of spliced pole (15) has reel (14), the inside swing joint of reel (14) has servo motor (17), and the outside of servo motor (17) is provided with metal covering (18), the outer wall laminating of reel (14) has guide rope (12), the end connection of guide rope (12) has arc expansion piece (13), and installs hinge (16) between arc expansion piece (13) and guide tube (4), locked groove (19) have been seted up to the right side central authorities of base (1).
2. An endoscopic stapler guide device according to claim 1, wherein: the outer wall of the guide hook (3) is tightly attached to the outer wall of the roller (5), and reverse threads which are complementary to the internal threads of the screw cap (7) are engraved at the tail end of the guide hook (3).
3. An endoscopic stapler guide device according to claim 1, wherein: an elastic structure is formed between the fixing block (20) and the silica gel pad (8) through a spring (6), and the diameter of the silica gel pad (8) is consistent with that of the guide tube (4).
4. An endoscopic stapler guide device according to claim 1, wherein: the connecting rod (10) penetrates through the center of the guide ring (9) from left to right, and the connecting rod (10) is in sliding connection with the guide ring (9).
5. An endoscopic stapler guide device according to claim 1, wherein: the arc-shaped expansion pieces (13) and the guide tube (4) form a rotating structure through hinges (16), and two groups of arc-shaped expansion pieces (13) are symmetrically distributed around the central axis of the guide tube (4).
6. An endoscopic stapler guide device according to claim 1, wherein: the winding reel (14) is rotationally connected with the servo motor (17), and the center of the winding reel (14) is tightly connected with the servo motor (17).
7. An endoscopic stapler guide device according to claim 1, wherein: the diameter of the circle where the arc-shaped expansion piece (13) is located is larger than that of the guide tube (4), and the guide tube (4) is connected with the base (1) in a locking manner.
8. An endoscopic stapler guide device according to claim 1, wherein: the locking groove (19) is distributed in the center of the right side of the base (1) in a circular ring shape, and the width of the locking groove (19) is larger than that of the guide tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011372673.1A CN112451010B (en) | 2020-11-30 | 2020-11-30 | Endoscope anastomat guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011372673.1A CN112451010B (en) | 2020-11-30 | 2020-11-30 | Endoscope anastomat guiding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112451010A true CN112451010A (en) | 2021-03-09 |
| CN112451010B CN112451010B (en) | 2024-03-29 |
Family
ID=74805600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011372673.1A Active CN112451010B (en) | 2020-11-30 | 2020-11-30 | Endoscope anastomat guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112451010B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4459978A (en) * | 1982-05-17 | 1984-07-17 | Endoscopy Surgical Systems, Inc. | Medical retractor device |
| US20010018596A1 (en) * | 1997-02-28 | 2001-08-30 | Selmon Matthew R. | Methods and apparatus for treating vascular occlusions |
| US20040217146A1 (en) * | 2002-12-20 | 2004-11-04 | Joachim Beck | Surgical stapler apparatus and method |
| US20130032628A1 (en) * | 2009-10-26 | 2013-02-07 | B. J. Zh. F. Panther Medical Equipment Co., Ltd. | Anorectal surgical instrument and anal dilator |
| CN102973299A (en) * | 2012-12-31 | 2013-03-20 | 陈春美 | Working pipe system of spinal paramedian keyhole approach |
| CN104546047A (en) * | 2015-01-12 | 2015-04-29 | 上海市浦东新区周浦医院 | Posterior urethra dilatation anastomosis traction device |
| US20180279869A1 (en) * | 2017-03-29 | 2018-10-04 | Boston Scientific Scimed, Inc. | Devices and methods for tissue retraction |
| CN208081280U (en) * | 2017-12-13 | 2018-11-13 | 重庆德川医疗器械股份有限公司 | A kind of cutter of novel minimally invasive hysteroscope stapler |
| CN208524944U (en) * | 2017-12-18 | 2019-02-22 | 常州贺利氏微创医疗器械有限公司 | Adjusting Nut Sets for Tubular Staplers |
| CN209864985U (en) * | 2018-08-23 | 2019-12-31 | 徐根艳 | Miniature introducer with 3D directional expansion capsule |
| CN111387926A (en) * | 2020-03-28 | 2020-07-10 | 杨庆军 | Simple vaginal dilator for gynecology |
| CN111904511A (en) * | 2020-09-02 | 2020-11-10 | 常州安康医疗器械有限公司 | Minimally invasive anastomat with guide mechanism |
-
2020
- 2020-11-30 CN CN202011372673.1A patent/CN112451010B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4459978A (en) * | 1982-05-17 | 1984-07-17 | Endoscopy Surgical Systems, Inc. | Medical retractor device |
| US20010018596A1 (en) * | 1997-02-28 | 2001-08-30 | Selmon Matthew R. | Methods and apparatus for treating vascular occlusions |
| US20040217146A1 (en) * | 2002-12-20 | 2004-11-04 | Joachim Beck | Surgical stapler apparatus and method |
| US20130032628A1 (en) * | 2009-10-26 | 2013-02-07 | B. J. Zh. F. Panther Medical Equipment Co., Ltd. | Anorectal surgical instrument and anal dilator |
| CN102973299A (en) * | 2012-12-31 | 2013-03-20 | 陈春美 | Working pipe system of spinal paramedian keyhole approach |
| CN104546047A (en) * | 2015-01-12 | 2015-04-29 | 上海市浦东新区周浦医院 | Posterior urethra dilatation anastomosis traction device |
| US20180279869A1 (en) * | 2017-03-29 | 2018-10-04 | Boston Scientific Scimed, Inc. | Devices and methods for tissue retraction |
| CN208081280U (en) * | 2017-12-13 | 2018-11-13 | 重庆德川医疗器械股份有限公司 | A kind of cutter of novel minimally invasive hysteroscope stapler |
| CN208524944U (en) * | 2017-12-18 | 2019-02-22 | 常州贺利氏微创医疗器械有限公司 | Adjusting Nut Sets for Tubular Staplers |
| CN209864985U (en) * | 2018-08-23 | 2019-12-31 | 徐根艳 | Miniature introducer with 3D directional expansion capsule |
| CN111387926A (en) * | 2020-03-28 | 2020-07-10 | 杨庆军 | Simple vaginal dilator for gynecology |
| CN111904511A (en) * | 2020-09-02 | 2020-11-10 | 常州安康医疗器械有限公司 | Minimally invasive anastomat with guide mechanism |
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| Publication number | Publication date |
|---|---|
| CN112451010B (en) | 2024-03-29 |
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