CN111803019A - Pneumoperitoneum-free single-port laparoscope and choledochoscope protection sheath tube and application thereof - Google Patents
Pneumoperitoneum-free single-port laparoscope and choledochoscope protection sheath tube and application thereof Download PDFInfo
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- CN111803019A CN111803019A CN202010779866.2A CN202010779866A CN111803019A CN 111803019 A CN111803019 A CN 111803019A CN 202010779866 A CN202010779866 A CN 202010779866A CN 111803019 A CN111803019 A CN 111803019A
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- 208000005646 Pneumoperitoneum Diseases 0.000 title claims abstract description 22
- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 239000000741 silica gel Substances 0.000 claims abstract description 11
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 238000002192 cholecystectomy Methods 0.000 abstract description 9
- 238000002504 lithotomy Methods 0.000 abstract description 2
- 210000000232 gallbladder Anatomy 0.000 description 22
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 239000000243 solution Substances 0.000 description 7
- 210000000683 abdominal cavity Anatomy 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 210000001015 abdomen Anatomy 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 238000004321 preservation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000003187 abdominal effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 208000010444 Acidosis Diseases 0.000 description 1
- 206010001526 Air embolism Diseases 0.000 description 1
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 208000037062 Polyps Diseases 0.000 description 1
- 210000003815 abdominal wall Anatomy 0.000 description 1
- 230000007950 acidosis Effects 0.000 description 1
- 208000026545 acidosis disease Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000004303 peritoneum Anatomy 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/313—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes
- A61B1/3132—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes for laparoscopy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/015—Control of fluid supply or evacuation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/00296—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means mounted on an endoscope
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
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- Radiology & Medical Imaging (AREA)
- Pathology (AREA)
- Optics & Photonics (AREA)
- Endoscopes (AREA)
Abstract
The invention provides a pneumoperitoneum-free single-hole laparoscope and choledochoscope protective sheath and application thereof, wherein the pneumoperitoneum-free single-hole laparoscope and choledochoscope protective sheath comprises a head pipe section, a body pipe section and a tail pipe section; the head pipe section is internally provided with a channel I, the pipe wall is made of two layers of soft silica gel or resin materials, annular and radial binding surfaces are arranged between the two layers of soft silica gel or resin materials to form a criss-cross cavity channel, the head pipe section is in a round table shape in a working state, the pipe wall of the head pipe section in a non-working state is folded back and forth in a fan shape in the circumferential direction, the joint of the two adjacent folded surfaces after being folded forms a corner, the inner ring and the outer ring are mutually bonded at the corners, and the outer ring is cylindrical; the joint of the head pipe section and the body pipe section is provided with a gas injection hole; the body pipe section is internally provided with a channel II and a channel III; the tail pipe section is internally provided with a channel IV and a channel V, the channel V is communicated with an air injection connector, and the air injection connector is connected with an injector. The invention can realize cholecystectomy under a laparoscope and gallbladder-protecting operations such as choledochoscope lithotomy, lithotripsy and polypectomy.
Description
Technical Field
The invention relates to the technical field of minimally invasive medical technology and surgical instruments, in particular to a pneumoperitoneum-free single-hole laparoscope and choledochoscope protective sheath and application thereof.
Background
With the development of instruments and surgical techniques and the attention on the beauty effect of abdominal incisions, the approach gradually goes from open cholecystectomy to three-port laparoscopic cholecystectomy to the current single-port laparoscopic cholecystectomy. At present, most of pneumoperitoneum lower laparoscopic gallbladder surgery is adopted, carbon dioxide gas is injected into an abdominal cavity to fill the abdominal cavity, so that a clear visual field under a laparoscope and an operation bow and arrow of a surgical instrument are formed, but the pneumoperitoneum lower laparoscopic gallbladder resection has the following defects: 1. the pneumoperitoneum can cause the diaphragm to move upwards, influence the breathing of a patient and increase the risk and difficulty of anesthesia; 2. a large amount of carbon dioxide is absorbed into blood to form acidosis; 3. carbon dioxide enters blood through a broken great vein and can be subjected to gas embolism, so that the life of a patient is threatened. In order to avoid the above disadvantages, pneumoperitoneum-free laparoscopic cholecystectomy has been clinically developed, including the application of suspension method and pneumoperitoneum-free laparoscopic stabbing card, wherein the suspension method has great damage to abdominal wall musculature and is gradually clinically eliminated.
With the improvement of organ protection consciousness, gallbladder preservation operations appear in the last ten years, and the operation mode gradually changes from the traditional small incision gallbladder operation of the right upper abdomen to the existing complete laparoscope gallbladder preservation operation through the laparoscope-assisted small incision gallbladder preservation operation of the right upper abdomen. The gallbladder-protecting operation of the complete laparoscope adopts three-hole or double-hole channels, the laparoscope enters the abdominal cavity through the navel poking and clamping channel, and the choledochoscope enters the abdominal cavity through the right upper abdomen poking and clamping channel. Under the direct vision of the laparoscope, an operator holds the choledochoscope with the left hand, the choledochoscope enters the gallbladder at the shortest distance by adjusting the poking direction of the right upper abdomen, and the right hand operates accessories such as a stone-taking basket and the like to perform operations such as stone-taking, polyp excision, Luo-Ashi sinus incision and the like.
With the increasing requirements of people on minimally invasive technologies, the single-port laparoscopic technology is gradually applied to clinic, wherein the cholecystectomy of the single-port laparoscopic is most widely performed, but the development of the cholecystectomy of the single-port laparoscopic is slower. Mainly because the navel incision is far away from the gall-bladder, and the choledochoscope is a soft lens, the choledochoscope enters the gall-bladder for a long time due to the fact that the support of the choledochoscope body is lacked in the process of being placed in the navel channel, and the visual field of the choledochoscope is difficult to fix in the gall-bladder, so that observation and treatment of the choledochoscope are difficult.
Disclosure of Invention
According to the single-port laparoscope gallbladder protection operation, the pneumoperitoneum-free single-port laparoscope and the choledochoscope protection sheath tube and the application thereof are provided, because the distance between the navel incision and the gallbladder is far, and the choledochoscope is a soft lens, the endoscope body is short of support in the process of being placed in the navel channel, so that the time for the choledochoscope to enter the gallbladder is long, and the visual field of the choledochoscope is difficult to fix in the gallbladder, and therefore the observation and treatment of the choledochoscope are difficult. The invention mainly puts gas or water into the head pipe section, and the head end of the head pipe section can form a conical structure without injecting carbon dioxide, thereby realizing gasless gall bladder operation.
The technical means adopted by the invention are as follows:
a pneumoperitoneum-free single-port laparoscope and choledochoscope protection sheath tube comprises: the head pipe section, the body pipe section and the tail pipe section are sequentially communicated;
the head pipe section is a single-channel pipe, a channel I is arranged in the head pipe section, the pipe wall of the head pipe section is made of two layers of soft silica gel or resin materials, annular and radial binding surfaces are arranged between the two layers of soft silica gel or resin materials to form criss-cross cavities, the head pipe section is in a round table shape in a working state, the pipe wall of the head pipe section in a non-working state is folded back and forth in a fan shape in the circumferential direction, the joint of two adjacent folded surfaces after folding forms a corner, the corners of the inner ring and the outer ring are mutually bonded, and the outer ring is in a cylindrical shape;
the joint of the head pipe section and the body pipe section is provided with a gas injection hole, after gas is injected through the gas injection hole, the pressure of an inner cavity of the pipe wall of the head pipe section is increased, the joint of the inner corner and the outer corner of the pipe wall is gradually torn, and finally the pipe wall is filled to form a round table-shaped structure, wherein the appearance of the round table-shaped structure is a conical structure;
the body pipe section is a double-channel pipe which is a hard resin or silica gel hose and is internally provided with a channel II and a channel III, the channel II is communicated with the channel I, and the channel III is communicated with the gas injection hole;
the tail pipe section is a double-channel hard plastic pipe, a channel IV and a channel V are arranged in the tail pipe section, the channel IV is communicated with the channel II, one end of the channel V is communicated with the channel III, the other end of the channel V is communicated with a gas injection connector on the pipe wall of the tail pipe section, and a syringe is connected to the gas injection connector.
Furthermore, the outer diameter of the sheath tube is 10-30mm, the inner diameter is 8-25mm, and the length is 60-80 cm.
Further, under the working state, the diameter of the conical head end of the head pipe section is 4-10 cm.
Any one of the pneumoperitoneum-free single-hole laparoscope and the choledochoscope protective sheath tube can be applied to a choledochoscope, a laparoscope, a duodenoscope and the like, can be applied to any endoscope, and has a wide application range.
Compared with the prior art, the invention has the following advantages:
1. according to the pneumoperitoneum-free single-hole laparoscope and the choledochoscope protection sheath tube and the application thereof, the head end of the head tube section can form a conical structure by placing gas or water into the head tube section, carbon dioxide does not need to be injected, and pneumoperitoneum-free choledochoscope operation is realized.
2. The pneumoperitoneum-free single-hole laparoscope and the choledochoscope protection sheath tube and the application thereof can realize cholecystectomy under the laparoscope and also can realize gallbladder-protecting operations such as choledochoscope lithotomy, broken stone and polypectomy.
In conclusion, the technical scheme of the invention can solve the problems that in the single-port laparoscopic gallbladder-protecting operation in the prior art, because the distance between the navel incision and the gallbladder is far, and the choledochoscope is a soft lens, the choledochoscope is short of support in the process of being placed in a navel channel, the time for the choledochoscope to enter the gallbladder is long, the visual field of the choledochoscope is difficult to fix in the gallbladder, and therefore the observation and treatment of the choledochoscope are difficult.
Based on the reasons, the invention can be widely popularized in the fields of minimally invasive medical technology, surgical instruments and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a joint before insertion of the present invention.
Fig. 2 is a schematic view of the structure of the folded tube wall of the head tube section according to the present invention.
Fig. 3 is a schematic structural diagram of the gas column of the head pipe section in the working state of the invention.
Fig. 4 is a schematic view of the head pipe section with the tearing of the outer wall connecting point under the working state of the invention.
In the figure: 1. a head section; 11. a channel I; 2. a body section; 21. a channel II; 22. a channel III; 3. a tail section; 31. a channel IV; 32. a channel V; 4. a gas injection connector; 5. a gas injection hole; 6. an injector; 7. and (4) connecting the two parts.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1 to 4, the present invention provides a pneumoperitoneum-free single-port laparoscope and choledochoscope protection sheath, comprising: the pipeline comprises a head pipe section 1, a body pipe section 2 and a tail pipe section 3 which are communicated from top to bottom in sequence. Wherein, the outer diameter of the sheath tube is 10-30mm, the inner diameter is 8-25mm, and the length is 60-80 cm.
The head pipe section 1 is a single-channel pipe, a channel I11 is arranged in the single-channel pipe, the pipe wall of the head pipe section is made of two layers of soft silica gel or resin materials, an annular and radial binding face is arranged between the two layers of soft silica gel or resin materials to form a criss-cross cavity channel, the head pipe section 1 is in a round table shape in a working state, as shown in figure 3, in the head pipe section 1, gas columns criss-cross in double layers of films are arranged, a solid line is a joint 7, and the gas columns are formed between the joints 7. The pipe wall of the head pipe section 1 in the non-working state is folded back and forth in a fan shape in the circumferential direction, the joint of two adjacent folded surfaces after being folded forms a corner, the corners of the inner ring and the outer ring are mutually bonded, and the outer ring is cylindrical, as shown in fig. 1 and fig. 2.
The joint of the head pipe section 1 and the body pipe section 2 is provided with a gas injection hole 5, after gas is injected through the gas injection hole 5, the pressure of the inner cavity of the pipe wall of the head pipe section 1 is increased, the joint of the inner corner and the outer corner of the pipe wall is gradually torn, and finally the pipe wall is filled to form a round table-shaped structure, and the appearance of the round table-shaped structure is a conical structure, as shown in fig. 4. Wherein, under the working condition, the pipe wall of the head pipe section 1 is inflated to form a conical structure, and the diameter of the conical head end of the conical structure is 4-10cm, namely the maximum diameter of the topmost part of the conical structure.
The body pipe section 2 is a double-channel pipe, is hard resin or silica gel hose, is equipped with passageway II21 and passageway III22 in, passageway II21 with passageway I11 is linked together, passageway III22 with the gas injection hole 5 is linked together.
Any one of the pneumoperitoneum-free single-hole laparoscope and the choledochoscope protective sheath tube can be applied to a choledochoscope, a laparoscope, a duodenoscope and the like, can be applied to any endoscope, and has a wide application range.
Before operation, making an arc incision beside the navel, and cutting open the white abdominal line and the peritoneum; then the laparoscope is placed in the laparoscope through the device, the laparoscope is communicated with the device, and the laparoscope and the device are placed in the abdominal cavity through the incision; under laparoscopic monitoring, is placed near the gallbladder incision. The injector 6 is used for injecting gas or water into the head pipe section 1 of the device through the gas injection hole 5, the head pipe section 1 is full, the connecting line at the inner and outer connecting parts of the pipe wall is torn, the pipe wall is fully expanded to form a conical structure, tissues around the gall bladder are squeezed, and a certain operation space is formed. The device is placed into a laparoscope and an operation instrument, so that laparoscopic cholecystectomy can be realized; in addition, the choledochoscope is placed by the device, so that the choledochoscope can easily enter a gallbladder to perform operations such as gallbladder cavity observation, incision, stone removal and the like.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The utility model provides an exempt from pneumoperitoneum haplopore peritoneoscope and choledochoscope protection sheath pipe which characterized in that includes: the head pipe section (1), the body pipe section (2) and the tail pipe section (3) are communicated in sequence;
the head pipe section (1) is a single-channel pipe, a channel I (11) is arranged in the single-channel pipe, the pipe wall of the head pipe section is made of two layers of soft silica gel or resin materials, annular and radial binding surfaces are arranged between the two layers of soft silica gel or resin materials to form a criss-cross cavity channel, the head pipe section (1) is in a round table shape in a working state, the pipe wall of the head pipe section (1) in a non-working state is in a fan-shaped back-and-forth folding mode in the circumferential direction, the joint of the two adjacent folding surfaces after folding forms a corner, the corners of the inner ring and the outer ring are mutually bonded, and;
a gas injection hole (5) is formed in the joint of the head pipe section (1) and the body pipe section (2), after gas is injected through the gas injection hole (5), the pressure of an inner cavity of the pipe wall of the head pipe section (1) is increased, the joint of the inner corner and the outer corner of the pipe wall is gradually torn, and finally the pipe wall is filled to form a round table-shaped structure, wherein the appearance of the round table-shaped structure is a conical structure;
the body pipe section (2) is a double-channel pipe, is a hard resin or silica gel hose, and is internally provided with a channel II (21) and a channel III (22), the channel II (21) is communicated with the channel I (11), and the channel III (22) is communicated with the gas injection hole (5);
afterbody pipe section (3) are binary channels stereoplasm plastic tubing, are equipped with passageway IV (31) and passageway V (32) in, passageway IV (31) with passageway II (21) are linked together, the one end of passageway V (32) with passageway III (22) are linked together, the other end with gas injection connector (4) on afterbody pipe section (3) pipe wall are linked together, be connected with syringe (6) on gas injection connector (4).
2. The pneumoperitoneum-free single-port laparoscope and choledochoscope protection sheath tube of claim 1, wherein the sheath tube has an outer diameter of 10-30mm, an inner diameter of 8-25mm, and a length of 60-80 cm.
3. The pneumoperitoneum-free single-port laparoscope and choledochoscope protective sheath tube according to claim 1 or 2, wherein in the working state, the diameter of the conical head end of the head tube section (1) is 4-10 cm.
4. The pneumoperitoneum-free single-port laparoscope and the choledochoscope protective sheath tube of any one of claims 1-3, which is applied to a choledochoscope, a laparoscope and a duodenoscope.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010779866.2A CN111803019B (en) | 2020-08-05 | 2020-08-05 | Pneumoperitoneum-free single-port laparoscope and choledochoscope protective sheath and application thereof |
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| CN202010779866.2A CN111803019B (en) | 2020-08-05 | 2020-08-05 | Pneumoperitoneum-free single-port laparoscope and choledochoscope protective sheath and application thereof |
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| CN111803019B CN111803019B (en) | 2024-05-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112932572A (en) * | 2021-02-02 | 2021-06-11 | 山东中医药大学第二附属医院 | Department of general surgery exempts from pneumoperitoneum operation device with haplopore |
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| CN204581210U (en) * | 2015-04-24 | 2015-08-26 | 中国人民解放军总医院 | Exempt from pneumoperitoneum support balloon cavity spectroscopy device |
| CN109091175A (en) * | 2018-07-27 | 2018-12-28 | 上海市东方医院 | It protects gallbladder and takes stone/polyp choledochoscope protection sheath |
| CN111419165A (en) * | 2020-03-26 | 2020-07-17 | 大连大学附属中山医院 | Single-port laparoscope choledochoscope sheath tube |
| CN111419150A (en) * | 2020-03-26 | 2020-07-17 | 大连大学附属中山医院 | Single-hole pneumoperitoneum-free choledochoscope sheath tube |
| CN212281316U (en) * | 2020-08-05 | 2021-01-05 | 上海市东方医院（同济大学附属东方医院） | Pneumoperitoneum-free single-hole laparoscope and choledochoscope protection sheath tube |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112932572A (en) * | 2021-02-02 | 2021-06-11 | 山东中医药大学第二附属医院 | Department of general surgery exempts from pneumoperitoneum operation device with haplopore |
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