CN110680514A - Pelvic cavity and abdominal cavity isolation protection diaphragm for laparoscope - Google Patents
Pelvic cavity and abdominal cavity isolation protection diaphragm for laparoscope Download PDFInfo
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- CN110680514A CN110680514A CN201910997323.5A CN201910997323A CN110680514A CN 110680514 A CN110680514 A CN 110680514A CN 201910997323 A CN201910997323 A CN 201910997323A CN 110680514 A CN110680514 A CN 110680514A
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- 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
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- 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
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- 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
- A61B2017/00287—Bags for minimally invasive surgery
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- 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
- A61B2017/00336—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means with a protective sleeve, e.g. retractable or slidable
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- 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
- A61B2017/0034—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means adapted to be inserted through a working channel of an endoscope
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- Oral & Maxillofacial Surgery (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a pelvic cavity and abdominal cavity isolation protection diaphragm for a laparoscope, which is characterized by consisting of an isolation bag, a control catheter, an integrated sheath tube, an integrated sheath cap and an integrated base. Wherein the isolation bag is of a bag-shaped structure, the bag opening is formed by an annular air bag, and a traction line is arranged in the isolation bag; the control conduit consists of an inner tube, an outer tube, a nut, a hollow air guide cushion, an inflation valve and a control base, wherein the inflation valve is communicated with the outer tube and fixedly communicated with the annular air bag at the bag opening; the conjoined sheath tube is of a tubular structure, one end of the conjoined sheath tube is fixedly communicated with the isolation bag, and the other end of the conjoined sheath tube can be connected with the conjoined sheath cap or the conjoined base; the conjoined sheath cap is in a cap-shaped structure, the cap top with one closed end is provided with a traction ring, and the other end is provided with a thread structure and can be connected with the conjoined sheath tube; the conjoined base is of a tubular structure, is provided with a one-way air valve, an inflation valve and a pipe orifice thread structure at one end and can be connected with the conjoined sheath pipe. The invention causes two completely closed and isolated areas between the pelvic cavity and the abdominal cavity, thereby effectively preventing mutual interference.
Description
Technical Field
The present invention relates to a laparoscopic surgery assisting device.
Background
The pelvic cavity and the abdominal cavity are two areas which are communicated in a human body, the celioscope operation is to puncture on the abdominal wall to form a plurality of tiny puncture holes, and the abdominal cavity is expanded after the gas is filled into the abdominal cavity, so that an operation space is formed in the pelvic cavity and the abdominal cavity, and under the laparoscope peering, a surgical instrument with a long handle is placed in the abdominal wall puncture instrument through an abdominal wall puncture device sheath tube in the abdominal wall puncture hole to separate or cut off the pathological tissues or organs in the abdominal cavity or the pelvic cavity.
Particularly, the high pressure in the abdominal cavity formed by inflating the abdominal cavity in the laparoscopic surgery presses the diaphragm upwards to press the thoracic cavity, thereby obviously increasing the load on the heart and lung.
Because the pelvic cavity is positioned below the abdominal cavity, when the laparoscopic surgery of organs in the pelvic cavity such as uterus, bladder and rectum is carried out, in order to avoid that organs in the abdominal cavity such as omentum and intestinal canal in the abdominal cavity slide to the pelvic cavity due to the gravity of the organs and shield the surgical field of vision, a position with a low head and a high foot is clinically adopted at present, namely the pelvic cavity horizontal position required to be kept by a patient for a long time in the surgery is higher than the horizontal position of the abdominal cavity, the patient is forced to keep a posture similar to a partially inverted posture, obviously, frost is added on snow, the cardiopulmonary burden is further increased, and particularly, for old patients and patients with cardiopulmonary dysfunction, the surgical anesthesia risk is increased.
In addition, because the 'upside down' position of the patient in operation is very easy to diffuse and flow downwards into the abdominal cavity, namely, the tumor tissue fragments generated in the pelvic operation process of the patient and the dirty liquid generated in pelvic cavity flushing can enter intestinal gaps in the abdominal cavity, areas below diaphragm muscles and the like, the abdominal cavity is polluted and difficult to completely remove, and inflammation diffusion or tumor diffusion is caused, such as subcutaneous abscess, tumor abdominal cavity planting and other serious complications.
Because the laparoscopic surgical instrument enters the pelvic cavity through the sheath tube of the abdominal wall puncture outfit, the surgical instrument is very easy to pollute tumor tissue cells after contacting, separating and cutting tumor tissues, when the polluted surgical instrument is repeatedly extracted from the sheath tube of the abdominal wall puncture outfit, the pollution of the tumor cells in the sheath tube of the abdominal wall puncture outfit, and the pollution of the tumor cells on the sheath tube outer wall beside the sheath tube opening in the abdominal cavity are very easy to occur, therefore, when the abdominal wall puncture outfit is extracted from the abdominal wall, the tumor cells falling off in the sheath tube, especially the tumor cells polluted on the sheath tube outer wall beside the sheath tube opening, are very easy to be left in the tissues of the abdominal wall puncture hole of a patient, and the minimally invasive tumor implantation and transfer of the abdominal wall incision are often generated, thus seriously threatening the life of the patient.
The human body structure is very wonderful, and the diaphragm in the human body completely isolates the thoracic cavity and the abdominal cavity, thereby avoiding the mutual interference of the thoracic cavity and the abdominal cavity. When the invention is used for laparoscopic surgery, a 'diaphragm' layer is artificially established between an abdominal cavity and a pelvic cavity, the pelvic cavity and the abdominal cavity are completely isolated, and mutual interference is avoided.
Disclosure of Invention
In order to avoid the defects of the prior art, the invention divides the pelvic cavity and the abdominal cavity into two closed independent areas by manual isolation, thereby ensuring and improving the safety and the convenience of a pelvic cavity operation patient under a laparoscope.
The invention adopts the following technical scheme for solving the technical problems:
1. the pelvic cavity and abdominal cavity isolation protection diaphragm for the laparoscope is characterized by comprising an isolation bag, a control catheter, an integrated sheath tube, an integrated sheath cap and an integrated base.
2. The pelvic cavity and abdominal cavity isolation protection diaphragm for the laparoscope is characterized in that an isolation bag is of a bag-shaped structure, is made of waterproof film materials, and is provided with an isolation bag body, an annular air bag and a traction line, wherein the bag opening is formed by an inflatable annular air bag, and the annular air bag is internally provided with an annular traction line;
3. the pelvic cavity and abdominal cavity isolation protection diaphragm for the laparoscope is characterized in that a control catheter is arranged on an annular air bag, the control catheter consists of an inner tube, an outer tube, a nut, a hollow air guide pad, an inflation valve and a control base, the inflation valve is communicated with the outer tube, the outer tube is communicated with the annular air bag at the opening of the bag, the control base is of a tubular structure and is communicated with the inner tube, and a one-way air valve is arranged in the control base; the inner tube of the control conduit passes through the annular air bag, the hollow air guide pad isolates the two layers of films of the annular air bag, and the nut tightly fixes the inner tube of the control conduit along the thread on the surface of the inner tube.
4. The pelvic cavity and abdominal cavity isolation protection diaphragm for the laparoscope is characterized in that the conjoined sheath tube is of a tubular structure, one end of the conjoined sheath tube is fixedly connected with the isolation bag and is communicated with the interior of the isolation bag body, and the surface of the other end of the conjoined sheath tube is provided with a thread structure and can be connected with the conjoined sheath cap and the conjoined base;
5. the pelvic cavity and the abdominal cavity are isolated to protect the diaphragm for the laparoscope, and the laparoscope is characterized in that the conjoined sheath cap is of a cap-shaped structure, the cap top with one closed end is provided with a traction ring, the traction ring is provided with a traction line, and the other end is provided with a thread structure and can be connected with the conjoined sheath tube;
6. the pelvic cavity and the abdominal cavity are isolated to protect the diaphragm for the laparoscope, and the integrated base is characterized in that the integrated base is of a tubular structure, is provided with a one-way air valve, an inflation valve and a pipe orifice thread structure at one end and can be connected with an integrated sheath pipe;
7. the pelvic cavity and the abdominal cavity are isolated to protect the diaphragm for the laparoscope, and the laparoscope is characterized in that the connected sheath tube which penetrates through and is fixed at the annular air bag part is a fixed sheath tube, and the connected sheath tube can be respectively connected with the connected sheath cap and the connected base;
8. the pelvic cavity and abdominal cavity isolation protection diaphragm for the laparoscope is characterized in that the connected sheath tube penetrating through and fixed on the isolation bag body is an independent sheath tube, and the connected sheath tube can be respectively connected with the connected sheath cap and the connected base.
Compared with the prior art, the invention has the beneficial effects that:
1. when the laparoscopic surgery is performed, the protection isolation bag is inflated, so that high air pressure is formed in the isolation bag and the pelvic cavity, and no high air pressure is formed in the abdominal cavity, so that the pressure cannot be generated on the diaphragm, and the influence on the heart and lung functions of a patient due to the fact that the thoracic cavity is pressed due to the fact that the air pressure of the abdominal cavity is increased is avoided.
2. The protection isolation bag is kept apart abdominal cavity and pelvic cavity, organs such as omentum, intestines tube in the abdominal cavity just also can't fall into the pelvic cavity because patient's position changes, can keep comfortable safe horizontal position in consequently patient's art, even semi-horizontal position, under the wild prerequisite that does not receive the shielding interference of guaranteeing the pelvic cavity art, had both effectively avoided the dangerous "handstand" position that the patient was compelled to adopt, had also avoided consequently the position and the thorax that leads to the fact is pressed and influence cardiopulmonary function.
3. The abdominal cavity and the pelvic cavity are isolated by the protective isolation bag, and a patient can keep a comfortable and safe horizontal position or even a semi-horizontal position in an operation, so that pelvic cavity flushing fluid, tumor tissue fragments and the like in the pelvic cavity flushing fluid are limited in the protective bag, and the pollution in the abdominal cavity is avoided.
4. The sheath mouth of pipe that surgical instruments came in and go out leads to in the protection isolation bag in the abdominal cavity, abdominal wall puncture incision and operation excision focus are kept apart by the protection isolation bag totally, when surgical instruments repeatedly goes out, the outer wall of sheath pipe can't be polluted to the tumor cell that pollutes surgical instruments, sheath pipe outer orifice adopts the sheath cap totally enclosed to prevent the tumor cell leakage, and even pollute the tumor cell of sheath pipe inner wall and drop, also can only drop to the protection isolation bag in from the sheath pipe inner orifice, effectively avoided traditional laparoscopic surgery instruments after the contact has polluted the tumor cell, still need repeatedly come in and go out in the abdominal wall puncture ware tube sheath that directly exposes in the abdominal cavity, consequently the tumor cell of abdominal wall puncture incision that probably causes plants the branch, effectively ensure patient's safety.
Drawings
FIG. 1 is a schematic view of the structure of an isolation bag, a control catheter, an integrated sheath tube and an integrated sheath cap
FIG. 2 is a schematic view of a control catheter
FIG. 3 is a schematic view of a hollow air guide cushion
FIG. 4 is a schematic view of the connection between the conjoined base and the conjoined sheath
FIG. 5 is a schematic view of the isolated bag, the connected sheath tube and the connected sheath cap being inserted into the abdominal cavity
FIG. 6 is a schematic view showing the use state of the pelvic cavity and the abdominal cavity isolation protection diaphragm for laparoscope
Detailed Description
After the patient is anesthetized and disinfected, a plurality of abdominal wall puncture instruments (512) are placed in the abdominal wall (511) puncture, the pelvic cavity (513) and the abdominal cavity (514) are inflated through the abdominal wall puncture instruments (512), the air pressure in the pelvic cavity (513) and the abdominal cavity (514) is increased, the abdominal wall (511) and the abdominal cavity (514) expand outwards and upwards to press the diaphragm and the thoracic cavity, and a larger space is formed in the pelvic cavity (513) and the abdominal cavity (514).
The abdominal wall puncture outfits (512) are respectively placed into a laparoscope (611) for observation, and a long-handle surgical instrument (612) is placed for operation.
The conjoined sheath tube (111) is sequentially arranged in the abdominal cavity (514) through a lower puncture hole (515) on the right side of the abdominal wall (511), and comprises a fixed sheath tube (110), a conjoined sheath cap (112) connected with the fixed sheath tube, an isolation bag body (113), an annular air bag (114), a traction line (115), a nut (116), a hollow air guide cushion (117), and a part of an inner tube (118) and an outer tube (119) of a control catheter (120).
Through the lower puncture hole (516) on the left side of the abdominal wall (511), a pulling ring (121) or a pulling line (122) on the connected sheath cap (112) connected with the fixed sheath tube (110) is pulled, so that the abdominal wall puncture device (512) is withdrawn, meanwhile, the fixed sheath tube (110) is placed in the lower puncture hole (516) on the left side of the abdominal wall (511), after the sheath tube (110) is clamped and fixed in vitro, the connected sheath cap (112) is spirally taken down, and the connected base (410) is spirally connected.
The patient temporarily adopts a head-lower-foot-high position, under the observation of a laparoscope (611) and the assistance of a long-handle surgical instrument (612), abdominal organs (514) such as an intestinal canal, a greater omentum and the like which slide in a pelvic cavity (513) are accommodated in the abdominal cavity (514), then the abdominal organs are inflated through an inflation valve (123) of a control catheter (120), the annular air bag (114) is inflated through an outer tube (119) and a transverse air guide hole (311) of a hollow air guide cushion (117), the upper part of the inflated annular air bag (114) is fixed on the abdominal wall (511) by a fixed sheath tube (110) and the control catheter (120), and the annular air bag (114) is inflated to extrude the pelvic bottom, the side pelvic wall and the abdominal wall in a circular way, so that the pelvic cavity (513) and the abdominal cavity (514) are separated into.
The conjoined sheath cap (112) of the independent sheath tube (111) is respectively pulled out through the puncture hole (517) on the left side of the abdominal wall (511) and the puncture hole (518) on the umbilical part, so as to respectively withdraw from the abdominal wall puncture outfit (512) at the corresponding position, meanwhile, the independent sheath tube (111) is respectively arranged in the puncture hole (518) on the umbilical part and the puncture hole (517) on the left side of the abdominal wall (511) corresponding to the abdominal wall (511), after the independent sheath tube (111) is clamped and fixed in vitro, the conjoined sheath cap (112) is respectively taken off in a spiral manner, and is respectively connected with the conjoined base (410) in a spiral manner.
The gas in the abdominal cavity (514) is exhausted through an abdominal wall puncture outfit (512) of a puncture hole (519) on the right upper part of the abdominal wall (511), the pelvic cavity (513) is inflated through an inflation valve (411) of a fixed sheath (110) of the connected sheath or a connected base (410) of the independent sheath (111), the isolation bag body (113) expands towards the abdominal cavity (514), and the space of the pelvic cavity (513) is fully exposed.
The head side of the patient is lifted, the body position is restored to a safe and comfortable horizontal position or semi-horizontal position, and the patient is placed into a laparoscope (611) for observation through an independent sheath tube (111) of the umbilical puncture hole (518) of the abdominal wall (511) and a connected base (410); a long-handle surgical instrument (612) is placed in the abdominal wall (511) through an independent sheath (111) of a puncture hole (517) on the left side of the abdominal wall and a connected base (410) of the independent sheath; a long-handle surgical instrument (612) is placed in the fixed sheath tube (110) through the lower puncture hole (516) on the left side of the abdominal wall (511) and the connected base (410); a long-handle surgical instrument (612) is placed in a control base (210) of a control catheter (120) and an inner tube (118) through a puncture hole (515) in the lower right side of an abdominal wall (511), so that the surgical operation process of an organ uterus (610) in a pelvic cavity (513) or other pelvic organ focuses is completed.
The conjoined base (410) connected with the independent sheath tube (111) and the fixed sheath tube (110) is respectively and spirally taken down, and the conjoined sheath caps (112) are respectively and spirally arranged again.
Opening a switch (124) of an inflation valve (123) of the control catheter (120), exhausting gas in the annular air bag (114), drawing the control catheter (120) and a part of the annular air bag (114) out of the abdominal wall, cutting the annular air bag (114) outside the body, exposing a traction line (115) therein, drawing the traction line (115) outwards, gradually closing an isolation bag opening in a pelvic cavity (513) and an abdominal cavity (514), and further drawing the annular air bag (114), a fixed sheath tube (110) connected with the annular air bag, an isolation bag body (113), an independent sheath tube (111) connected with the annular air bag (114) and a connected sheath cap (112) out of the body through a puncture hole (515) below the right side of the abdominal wall (511).
The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and all equivalent changes or modifications made to the present invention should be covered within the protection scope of the present invention without departing from the spirit of the design of the present invention.
Claims (6)
1. The pelvic cavity and abdominal cavity isolation protection diaphragm for the laparoscope is characterized by comprising an isolation bag, a control catheter, an integrated sheath tube, an integrated sheath cap and an integrated base.
2. The pelvic cavity and abdominal cavity isolation and protection diaphragm for the laparoscope as claimed in claim 1, wherein the isolation bag is of a bag-shaped structure, is made of a waterproof film material, and is provided with an isolation bag body, an annular air bag and a pulling and winding line, wherein the bag opening is formed by an inflatable annular air bag, and the annular air bag is internally provided with an annular pulling and winding line.
3. The pelvic cavity and abdominal cavity isolation protection diaphragm for the laparoscope as claimed in claim 1, wherein the annular air bag is provided with a control conduit, the control conduit is composed of an inner tube, an outer tube, a nut, a hollow air guide cushion, an inflation valve and a control base, the inflation valve is communicated with the outer tube, the outer tube is communicated with the annular air bag at the bag opening, the control base is of a tubular structure and is communicated with the inner tube, and a one-way air valve is arranged in the control base.
4. The pelvic cavity and abdominal cavity isolation and protection diaphragm for the laparoscope as claimed in claim 1, wherein the conjoined sheath tube is of a tubular structure, one end of the conjoined sheath tube is fixedly connected with the isolation bag and is communicated with the inside of the isolation bag, and the surface of the other end of the conjoined sheath tube is provided with a thread structure which can be connected with the conjoined sheath cap and the conjoined base.
5. The pelvic cavity and abdominal cavity isolation and protection diaphragm for the laparoscope as claimed in claim 1, wherein the conjoined sheath cap is of a cap-shaped structure, a traction ring is arranged on a cap top with one end closed, a traction line is arranged on the traction ring, and a thread structure is arranged at the other end and can be connected with the conjoined sheath tube.
6. The pelvic cavity and abdominal cavity isolation and protection diaphragm for the laparoscope as claimed in claim 1, wherein the conjoined base is of a tubular structure, is provided with a one-way air valve, an inflation valve and a pipe orifice thread structure at one end, and can be connected with a conjoined sheath pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910997323.5A CN110680514A (en) | 2019-10-21 | 2019-10-21 | Pelvic cavity and abdominal cavity isolation protection diaphragm for laparoscope |
| PCT/CN2020/120527 WO2021078035A1 (en) | 2019-10-21 | 2020-10-13 | Pelvic cavity and abdominal cavity separation protective diaphragm for laparoscopic operation and trocar used in conjunction therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910997323.5A CN110680514A (en) | 2019-10-21 | 2019-10-21 | Pelvic cavity and abdominal cavity isolation protection diaphragm for laparoscope |
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| Publication Number | Publication Date |
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| CN110680514A true CN110680514A (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910997323.5A Pending CN110680514A (en) | 2019-10-21 | 2019-10-21 | Pelvic cavity and abdominal cavity isolation protection diaphragm for laparoscope |
Country Status (2)
| Country | Link |
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| CN (1) | CN110680514A (en) |
| WO (1) | WO2021078035A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544102A (en) * | 2020-04-14 | 2020-08-18 | 山西省肿瘤医院(山西省第三人民医院) | Isolating device for preventing tumor cells from falling off under laparoscope |
| WO2021078035A1 (en) * | 2019-10-21 | 2021-04-29 | 凌斌 | Pelvic cavity and abdominal cavity separation protective diaphragm for laparoscopic operation and trocar used in conjunction therewith |
| WO2022134874A1 (en) * | 2020-12-25 | 2022-06-30 | 凌斌 | Multi-phase stable adaptive abdominal wall puncture outfit for endoscope |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5370134A (en) * | 1991-05-29 | 1994-12-06 | Orgin Medsystems, Inc. | Method and apparatus for body structure manipulation and dissection |
| CN108992149A (en) * | 2018-08-29 | 2018-12-14 | 合肥赫博医疗器械有限责任公司 | It crushes under hysteroscope and is connected with the anti-slip combined type of extraction bag and hard conduit |
| CN110236643A (en) * | 2019-07-02 | 2019-09-17 | 合肥赫博医疗器械有限责任公司 | The device that tumour is cut off without blood isolating and protecting under laparoscope |
| CN110680514A (en) * | 2019-10-21 | 2020-01-14 | 凌斌 | Pelvic cavity and abdominal cavity isolation protection diaphragm for laparoscope |
| CN211934341U (en) * | 2019-10-21 | 2020-11-17 | 凌斌 | Pelvic cavity and abdominal cavity isolation protection diaphragm for laparoscope |
-
2019
- 2019-10-21 CN CN201910997323.5A patent/CN110680514A/en active Pending
-
2020
- 2020-10-13 WO PCT/CN2020/120527 patent/WO2021078035A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021078035A1 (en) * | 2019-10-21 | 2021-04-29 | 凌斌 | Pelvic cavity and abdominal cavity separation protective diaphragm for laparoscopic operation and trocar used in conjunction therewith |
| CN111544102A (en) * | 2020-04-14 | 2020-08-18 | 山西省肿瘤医院(山西省第三人民医院) | Isolating device for preventing tumor cells from falling off under laparoscope |
| WO2022134874A1 (en) * | 2020-12-25 | 2022-06-30 | 凌斌 | Multi-phase stable adaptive abdominal wall puncture outfit for endoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021078035A1 (en) | 2021-04-29 |
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