CN117357230B - Hysteroscope myoma rotary gripper - Google Patents
Hysteroscope myoma rotary gripper Download PDFInfo
- Publication number
- CN117357230B CN117357230B CN202311672089.1A CN202311672089A CN117357230B CN 117357230 B CN117357230 B CN 117357230B CN 202311672089 A CN202311672089 A CN 202311672089A CN 117357230 B CN117357230 B CN 117357230B
- Authority
- CN
- China
- Prior art keywords
- rod
- gun
- spiral
- myoma
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 206010061692 Benign muscle neoplasm Diseases 0.000 title claims abstract description 58
- 201000004458 Myoma Diseases 0.000 title claims abstract description 58
- 210000003811 finger Anatomy 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 26
- 210000003813 thumb Anatomy 0.000 claims description 16
- 210000005224 forefinger Anatomy 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 210000004291 uterus Anatomy 0.000 description 7
- 206010046798 Uterine leiomyoma Diseases 0.000 description 6
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 201000010260 leiomyoma Diseases 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000009802 hysterectomy Methods 0.000 description 1
- 210000000754 myometrium Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B17/2909—Handles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2901—Details of shaft
- A61B2017/2905—Details of shaft flexible
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2945—Curved jaws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2947—Pivots
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B2017/4216—Operations on uterus, e.g. endometrium
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B2017/4216—Operations on uterus, e.g. endometrium
- A61B2017/4225—Cervix uteri
Abstract
The invention discloses a hysteroscope myoma rotary gripper, which relates to the technical field of medical appliances and comprises a gun rod, wherein one end of the gun rod is connected with an elbow, the end part of the elbow is connected with a connecting rod, the end part of the connecting rod is fixedly provided with a spiral gun head, push-out type spiral gripping assemblies are arranged in the elbow, the connecting rod and the spiral gun head, the outer wall of one side of the gun rod is fixedly provided with a middle finger positioning ring, and the other side of the gun rod is provided with an index finger adjusting assembly.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a hysteroscope myoma rotating gripper.
Background
Hysteroscopic myoma excision operation is generally performed by projecting myoma inside the uterus of a patient onto an external observation display screen through a hysteroscope, then introducing a special myoma grabber to grab and control the myoma, then cutting off connective tissues on the myoma and the uterine muscle wall through a hysterectomy cutter, and finally taking out the cut myoma through the grabber.
The hysteroscope myoma rotating gripper with the publication number of CN104958084B adopts a double-layer structure, the front end of the gripper is provided with the spiral needle, the top end of the protective sleeve is provided with the conical opening seal, and the spiral needle enters myoma tissues, so that the accuracy of clamping myoma is improved, myoma is easier and more thorough to peel off from hysteroscope, the operation time is shortened, and complications in myoma excision are reduced; the annular identification groove is arranged on the protective sleeve, the millimeter scale groove is arranged on the grabber, the length of the spiral needle entering the myoma can be measured, and the myoma can be conveniently and accurately resected.
Although the existing myoma rotating gripper in the above scheme can accurately grasp myoma, there are some problems as follows:
the angle can not be adjusted, and intrauterine fibroids within a certain angle range can be grasped, so that the application range is small;
in the operation process, when a grabbing angle has intrauterine fibroids (such as fibroids on the side wall of uterus) with certain deviation, the operation rod frequently presses the inner wall of the uterine orifice of a patient, so that additional pain is brought to the patient;
the grasping process needs to continuously rotate the center shaft, medical staff needs to coordinate with both hands and operate for multiple times, which is time-consuming and labor-consuming and brings unnecessary pain to patients;
the myoma near the cervical orifice can frequently scratch the inner wall of the cervical orifice when the instrument is operated in the grabbing and practical operation process.
Aiming at the problems, innovative design is urgently needed on the basis of the original hysteroscope myoma rotating gripper.
Disclosure of Invention
The technical scheme of the invention aims at solving the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly aims to provide a hysteroscope myoma rotary grabber so as to solve the problems that the angle proposed by the background art cannot be adjusted, intrauterine myoma within a certain angle range can be grabbed, and the application range is small.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a rotatory grabber of hysteroscope myoma, includes the stock, the one end of stock is connected with the return bend, and the end connection of return bend has the connecting rod to the end fixing of connecting rod has the spiral rifle head, the inside of return bend, connecting rod and spiral rifle head is provided with the spiral of release and snatches the subassembly, and the outer wall of stock one side is fixed with well instruction bit ring, and index finger adjusting part is installed to the opposite side of stock.
Preferably, the push-out spiral grabbing component comprises a metal wire and a thumb pushing plate, the inner parts of the gun rod, the bent pipe, the connecting rod and the spiral gun head are all provided with cavity grooves which are mutually communicated and connected, the metal wire is arranged in the cavity grooves in the gun rod, the bent pipe, the connecting rod and the spiral gun head, one end of the metal wire penetrates through the thumb pushing plate fixedly connected with the end part of the gun rod, and the other end of the metal wire is located in the spiral gun head.
Preferably, the bent pipe is made of plastic material and can be bent and shaped, and the spiral gun head is of a flaring type spiral tubular structure.
Preferably, the forefinger adjusting part includes forefinger push ring, slide bar, fixed block, lantern ring and change board, and the avris parallel arrangement of rifle pole has the slide bar, the end fixing of slide bar has the forefinger push ring, and the lateral wall of rifle pole is fixed with the fixed block to the slide bar runs through in the fixed block, the upper end fixedly connected with lantern ring of slide bar, and the outer wall of rifle pole upper end is located to lantern ring slip cap, the tip of lantern ring articulates there is the one end of change board, and the other end of change board articulates in the avris of connecting rod.
Preferably, the outer wall of the sliding rod is wound with a return spring, one end of the return spring is welded to the lower surface of the fixed block, and the other end of the return spring is fixed to the outer wall of the end stop block of the sliding rod.
Compared with the prior art, the invention has the beneficial effects that:
1. the special spiral gun head is arranged, the cavity is formed in the gun head, when the metal wire is forced to be extruded into the gun head, the metal wire is limited by the inner cavity of the spiral form and is spirally deformed, so that the metal wire can be rotationally inserted into the myoma in the spiral form to achieve the grabbing effect by using the driving force, and compared with the effect of rotationally grabbing, the myoma grabbing device is rapid, the myoma grabbing time is shortened, the operation time of a patient is shortened, and the angle adjustment can be matched.
2. The matching with the effects is that: the upper end of the gun rod is provided with a section of bent pipe which can be subjected to bending plasticity, so that the spiral gun head can be subjected to multi-angle adjustment, and the full-angle myoma grabbing in the uterus can be realized.
3. The operation is simple and quick, the medical staff can grasp hysteromyoma through the cooperation of three fingers, the gun rod is fixed by the middle finger, the metal wire is pushed by the thumb, the angle of the spiral gun head is adjusted by pulling the sliding ring outwards by the index finger, the operation can be synchronously carried out, the operation is finished in one step, the operation is simple and convenient, and the pain of a patient is relieved to the greatest extent.
4. After grabbing the myoma that the angle is more inclined to one side, push-and-pull forefinger pushes away the pull ring and can make the spiral rifle head and snatch and keep less off-angle between myoma and the stock, reach the effect of centering the regulation that resets, simply, the accessible is adjusted and is made the myoma that snatchs and stock be located on a straight line as far as possible, thereby make the myoma can follow the stock and be a straight line and take out from patient's cervical orifice, can produce great scraping and rubbing to the cervical orifice when having avoided myoma and stock angular deviation to take out a lot, make things convenient for the taking off of myoma, avoid scraping and rubbing to patient's cervical orifice inner wall at taking out myoma in-process, further alleviateed patient's misery.
5. The grabbing mode adopted by the invention can enable the operation instrument to be positioned at the center of the uterine cavity, even enable the spiral gun head to generate special actions such as turning around and the like to grab myoma close to the cervical orifice during operation, and avoid the operation instrument from being concentrated near the cervical orifice to scratch the inner wall of the cervical orifice.
Drawings
Fig. 1 is a schematic diagram of a main body structure corresponding to myoma excision at the upper end of a uterine cavity;
fig. 2 is a schematic diagram of a main body structure corresponding to myoma excision in the middle of a uterine cavity according to the invention;
fig. 3 is a schematic diagram of the main structure of the invention corresponding to myoma excision at the lower end of the uterine cavity;
FIG. 4 is a schematic diagram of the main structure of the present invention;
fig. 5 is an enlarged schematic view of the structure of fig. 4 a according to the present invention.
In the figure: 1. a gun rod; 2. bending the pipe; 3. a connecting rod; 4. a spiral gun head; 5. a wire; 6. thumb pushing plate; 7. a middle finger positioning ring; 8. the index finger pushes the pull ring; 81. a slide bar; 82. a fixed block; 83. a return spring; 84. a collar; 85. and (5) rotating the plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a rotatory grabber of hysteroscope myoma, includes gun pole 1, and the one end of gun pole 1 is connected with return bend 2, and the end connection of return bend 2 has connecting rod 3 to the end fixing of connecting rod 3 has spiral rifle head 4, and the inside of return bend 2, connecting rod 3 and spiral rifle head 4 is provided with the spiral of release and snatches the subassembly, and the outer wall of gun pole 1 one side is fixed with well instruction bit 7, and index finger adjusting part is installed to the opposite side of gun pole 1.
The pushing-out type spiral grabbing component comprises a metal wire 5 and a thumb push plate 6, cavity grooves which are mutually communicated are formed in the gun rod 1, the elbow pipe 2, the connecting rod 3 and the spiral gun head 4, the metal wire 5 is arranged in the cavity grooves in the gun rod 1, the elbow pipe 2, the connecting rod 3 and the spiral gun head 4, one end of the metal wire 5 penetrates through the thumb push plate 6 fixedly connected with the end portion of the gun rod 1, the other end of the metal wire 5 is located in the spiral gun head 4, the metal wire 5 is guaranteed to move along the cavity grooves in the elbow pipe 2, the connecting rod 3 and the spiral gun head 4 after being subjected to extrusion thrust, the output metal wire 5 is spirally deformed under the action of the spiral gun head 4, and the pushing action of the metal wire 5 can be converted into a rotary output mode of the metal wire 5.
The bent pipe 2 is made of plastic material and can be bent and shaped, and the spiral gun head 4 is of a flaring type spiral tubular structure.
The forefinger adjusting part comprises a forefinger pull ring 8, a sliding rod 81, a fixed block 82, a lantern ring 84 and a rotating plate 85, the side of the gun rod 1 is provided with the sliding rod 81 in parallel, the end part of the sliding rod 81 is fixedly provided with the forefinger pull ring 8, the side wall of the gun rod 1 is fixedly provided with the fixed block 82, the sliding rod 81 penetrates through the fixed block 82, the upper end of the sliding rod 81 is fixedly connected with the lantern ring 84, the lantern ring 84 is slidably sleeved on the outer wall of the upper end of the gun rod 1, the end part of the lantern ring 84 is hinged with one end of the rotating plate 85, the other end of the rotating plate 85 is hinged with the side of the connecting rod 3, the forefinger adjusting part is matched with the middle finger positioning ring 7, the middle finger positioning ring 7 is used for positioning the whole grabber, and the angle of the spiral gun head 4 can be flexibly regulated and controlled by pushing and pulling the forefinger pull ring 8.
The outer wall winding of slide bar 81 has reset spring 83, and the one end welding of reset spring 83 in the lower surface of fixed block 82 to the outer wall of slide bar 81 end dog is fixed in to the other end of reset spring 83, utilizes reset spring 83 to provide certain support stabilization effect for slide bar 81, has played certain helping hand effect to the push-and-pull reset of forefinger push-pull ring 8.
Working principle: when the hysteroscopic myoma rotary gripper is used, the myoma is distributed and gripped in three positions, namely upper, middle and lower positions in the uterus of a patient as shown in fig. 1, 2 and 3.
In fig. 1, when the myoma is located at the upper end of the interior of the uterus, a medical staff can put the middle finger into the middle finger positioning ring 7 by one hand, and put the index finger into the index finger push ring 8 without pushing and pulling the index finger push ring 8 (without adjusting the angle of the spiral gun head 4), and put the thumb on the outer side of the thumb push plate 6, then the end of the spiral gun head 4 can be abutted against the surface of the myoma, and push the thumb push plate 6 by the thumb, and the thumb push plate 6 can drive the metal wire 5 to move along the gun rod 1, the elbow 2, the connecting rod 3 and the inner cavity of the spiral gun head 4 respectively, and the inner end of the metal wire 5 can be output in a spiral deformation state under the limit effect of the spiral gun head 4 and rotate to be inserted into the myoma, and the length of the spiral entering the myoma of the metal wire 5 can be judged according to the distance of the metal wire 5 entering the gun rod 1, and finally after cutting is finished, the myoma can be successfully grabbed.
As shown in fig. 2 and 3, when the myoma is located at the middle section and the lower end of the uterus, the angle adjustment needs to be performed on the spiral gun head 4 at this time, the same medical staff can put the middle finger into the middle finger positioning ring 7 by one hand and put the index finger into the index finger push ring 8, the thumb is placed at the outer side of the thumb push plate 6, then, the positions of the spiral gun head 4 and the myoma are observed from the hysteroscope external display screen, the angle of the spiral gun head 4 is judged and adjusted according to the myoma position, the index finger push ring 8 is pushed by the index finger under the condition that the middle finger positioning ring 7 is kept stable, after the index finger push ring 8 receives the push-pull action, the index finger push ring 8 can drive the slide rod 81 and the sleeve ring 84 to slide along the outer wall of the gun rod 1 in an adaptive manner or compress the reset spring 83, and the slide rod 81 can synchronously drive the sleeve ring 84 to move along the gun rod 1 and produce an oblique push-pull action on the rotating plate 85, so that the rotating plate 85 synchronously pushes and pull the connecting rod 3 and the spiral gun head 4 generates an adaptive bending elbow, under the condition that the myoma position is judged and adjusted by the myoma position, under the condition that the myoma is kept, the end 4 is pushed by the index finger push ring 4 is aligned with the inner end of the spiral gun head 4, and the end 4 is finally, the myoma is deformed under the condition that the myoma is pushed by the spiral gun head 4 after the condition that the metal push ring is pushed by the spiral gun head 4.
Compared with the traditional rotary grabber, the invention has the advantages that the operation is simpler, the grabbing of hysteromyoma can be realized by the cooperation of three fingers by medical staff, the gun rod 1 is fixed by the middle finger, the metal wire 5 is pushed by the thumb, the pull ring 8 is pushed by the index finger, the angle of the spiral gun head 4 is adjusted by the index finger, the operation can be synchronously performed, the operation is completed at one time, the pain of a patient is relieved to the greatest extent, the time for grabbing the myoma is reduced, the operation time of the patient is reduced, the grabbing of myoma at all angles in uterus can be realized, the grabbing mode adopted by the invention can enable the operation instrument to be positioned at the center of the hysteromyoma, even the spiral gun head 4 can generate special actions such as turning around and the like as shown in fig. 3 during the operation, and the operation instrument is prevented from being concentrated near the cervical opening to scratch the inner wall of the cervical opening.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (1)
1. Hysteroscope myoma rotation grabber, including stock (1), its characterized in that: one end of the gun rod (1) is connected with an elbow (2), the end part of the elbow (2) is connected with a connecting rod (3), the end part of the connecting rod (3) is fixedly provided with a spiral gun head (4), push-out spiral grabbing components are arranged in the elbow (2), the connecting rod (3) and the spiral gun head (4), a middle finger positioning ring (7) is fixed on the outer wall of one side of the gun rod (1), and an index finger adjusting component is arranged on the other side of the gun rod (1);
the push-out type spiral grabbing assembly comprises a metal wire (5) and a thumb pushing plate (6), cavity grooves which are mutually communicated are formed in the gun rod (1), the elbow pipe (2), the connecting rod (3) and the spiral gun head (4), the metal wire (5) is arranged in the cavity grooves in the gun rod (1), the elbow pipe (2), the connecting rod (3) and the spiral gun head (4), one end of the metal wire (5) penetrates through the end part of the gun rod (1) and is fixedly connected with the thumb pushing plate (6), and the other end of the metal wire (5) is located in the spiral gun head (4);
the bent pipe (2) is made of plastic material and can be bent and shaped, and the spiral gun head (4) is of a flaring spiral tubular structure;
the forefinger adjusting assembly comprises a forefinger push ring (8), a sliding rod (81), a fixed block (82), a lantern ring (84) and a rotating plate (85), wherein the sliding rod (81) is arranged on the side of the gun rod (1) in parallel, the forefinger push ring (8) is fixed at the end part of the sliding rod (81), the fixed block (82) is fixed on the side wall of the gun rod (1), the sliding rod (81) penetrates through the fixed block (82), the lantern ring (84) is fixedly connected to the upper end of the sliding rod (81), the lantern ring (84) is sleeved on the outer wall of the upper end of the gun rod (1) in a sliding manner, the end part of the lantern ring (84) is hinged to one end of the rotating plate (85), and the other end of the rotating plate (85) is hinged to the side of the connecting rod (3);
the outer wall of the sliding rod (81) is wound with a return spring (83), one end of the return spring (83) is welded to the lower surface of the fixed block (82), and the other end of the return spring (83) is fixed to the outer wall of the end stop block of the sliding rod (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311672089.1A CN117357230B (en) | 2023-12-07 | 2023-12-07 | Hysteroscope myoma rotary gripper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311672089.1A CN117357230B (en) | 2023-12-07 | 2023-12-07 | Hysteroscope myoma rotary gripper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117357230A CN117357230A (en) | 2024-01-09 |
| CN117357230B true CN117357230B (en) | 2024-03-12 |
Family
ID=89396928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311672089.1A Active CN117357230B (en) | 2023-12-07 | 2023-12-07 | Hysteroscope myoma rotary gripper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117357230B (en) |
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| CN209003941U (en) * | 2018-07-20 | 2019-06-21 | 江苏大学附属医院 | A kind of dedicated department of stomatology check device of the department of stomatology |
| CN210784578U (en) * | 2019-05-14 | 2020-06-19 | 中国人民解放军第四军医大学 | Spiral trocar |
| CN212234629U (en) * | 2020-03-19 | 2020-12-29 | 南方医科大学南方医院 | Simple manual uterus or hysteromyoma rotary cutter |
| CN213129612U (en) * | 2020-06-23 | 2021-05-07 | 天津市海河医院 | Endometrium polyp biopsy drill under hysteroscope |
| CN214128630U (en) * | 2020-12-13 | 2021-09-07 | 吉林大学 | Novel NOSES specimen extractor |
| CN216908058U (en) * | 2022-01-11 | 2022-07-08 | 重庆大学附属肿瘤医院 | Bile duct rotary cutter assembly based on ERCP |
| CN115068107A (en) * | 2022-05-31 | 2022-09-20 | 华中科技大学同济医学院附属同济医院 | Surgical device and prostate laser ablation surgical device |
| CN219000241U (en) * | 2022-10-09 | 2023-05-12 | 中国人民解放军总医院第一医学中心 | Multi-angle-adjustable mouth mirror |
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