CN210124803U - Multi-wing abdominal cavity retractor - Google Patents
Multi-wing abdominal cavity retractor Download PDFInfo
- Publication number
- CN210124803U CN210124803U CN201920356308.8U CN201920356308U CN210124803U CN 210124803 U CN210124803 U CN 210124803U CN 201920356308 U CN201920356308 U CN 201920356308U CN 210124803 U CN210124803 U CN 210124803U
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- Prior art keywords
- flank
- hole
- hook
- drag hook
- wing
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- Expired - Fee Related
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- 210000000683 abdominal cavity Anatomy 0.000 title claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000003187 abdominal effect Effects 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002682 general surgery Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of machinery, specifically be a multi-wing abdominal cavity drag hook, including the drag hook main part, the one end that is close to the main gib head in the drag hook main part is equipped with the joint subassembly, and the relative phase is equipped with two flank drag hooks in the joint subassembly, and the below of drag hook main part is equipped with the bracing piece, and the top of bracing piece is equipped with the fly leaf, and the bottom of bracing piece is equipped with anchor clamps. The utility model discloses a set up the joint subassembly in the drag hook main part, set up the flank drag hook in the joint subassembly, the flank drag hook can adjust length according to the user demand, can enlarge abdominal cavity drag hook's effect width, and then enlarge the field of vision of operation, and the medical personnel of being convenient for carry out the operation of performing the operation, sets up supporting bracing piece simultaneously, adjusts the position of bracing piece installation at will through anchor clamps, sets up the fly leaf on the bracing piece and is convenient for hang according to the demand and establishes the drag hook main part, makes drag hook main part installation firm, easy operation, convenient to use.
Description
Technical Field
The utility model relates to the technical field of machinery, specifically a multi-wing abdominal cavity drag hook.
Background
Abdominal retractor is a common instrument used in general surgery to pull the abdominal cavity of a patient open in order to expose the inside of the abdominal cavity. At present, abdominal cavity drag hooks used in hospitals are mainly in a single-hook structure form, have narrow width and cannot be adjusted, and are not suitable for wide-range operation visual field exposure. When the operation position that the belly needs to expose is great, need usually to stretch into in the operation incision with the drag hook of a plurality of single hook structures simultaneously, troublesome poeration and needs the cooperation of multiple assistants, not only occupy more space, influence the operation field of vision, still often make the operation time prolong, make the operation go on smoothly even, bring inconvenience for surgeon's operation, reduce the success rate of operation. In view of this, we propose a multi-wing abdominal retractor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multi-wing abdominal cavity drag hook to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a multi-wing abdominal retractor, comprising:
the clamp comprises an L-shaped plate and a clamping plate, and the clamping plate is adjustably mounted on the L-shaped plate through a long screw;
one end of the supporting rod is fixed on the L-shaped plate, the other end of the supporting rod is rotatably provided with a movable plate, and the movable plate is provided with a second clamping column;
the hook comprises a hook body, a main hook head is arranged at one end of the hook body, a fastening hook head is arranged at the other end of the hook body, a plurality of first fastening holes are formed in the hook body at equal intervals along the length direction of the hook body, a second clamping column can be clamped in different first fastening holes, a clamping assembly and two limiting blocks are arranged at one end, close to the main hook head, of the hook body, the clamping assembly is located between the two limiting blocks, and the clamping assembly comprises the first clamping column; and
two flank drag hooks, the flank drag hook includes flank gib head and flank arm-tie, the equidistance is equipped with a plurality of seconds on the flank arm-tie and detains the hole, the second card post can the joint in the difference the second is detained downtheholely, and two the flank arm-tie is located respectively the both sides of drag hook main part, every the both sides of flank arm-tie are respectively with two the stopper butt, the flank gib head rotationally set up in on the flank arm-tie.
Preferably, the first card post with the structure of second card post is the same, first card post includes the support column, be equipped with spacing post on the support column, the diameter of spacing post is greater than the diameter of support column, first detain the hole with the structure in hole is the same for the second, first detain the hole including the round hole and the rectangular hole that communicate each other, the aperture of round hole is greater than or equal to the diameter of spacing post, the width in rectangular hole is greater than or equal to the diameter of support column and be less than the diameter of spacing post.
Preferably, the top end of the supporting rod is provided with two clamping blocks side by side, a connecting block is arranged in the middle of the bottom end of the movable plate, a fastening bolt is arranged between the movable plate and the supporting rod, and the connecting block is hinged to the clamping blocks through the fastening bolt.
Preferably, the distance between the two limiting blocks is greater than or equal to the width of the side wing pulling plate, the surfaces, opposite to the two limiting blocks, comprise two crossed inclined planes, and the two inclined planes, staggered from each other, on the two limiting blocks are parallel to each other.
Preferably, be equipped with a plurality of screws on the curb plate of L template side by side, be equipped with a plurality of through-holes on the splint side by side, the screw with the aperture of through-hole equals, the screw with the same and position one-to-one of quantity of through-hole, the long screw rod passes in proper order through-hole and screw, the length of long screw rod is greater than the width of anchor clamps, the long screw rod with through-hole activity joint, the long screw rod with screw threaded connection.
Preferably, roof one side of L template is equipped with a plurality of spouts side by side, the top of splint is equipped with a plurality of sliders side by side, the spout with the quantity of slider equals and the position one-to-one, the slider with spout slip joint.
Preferably, the supporting rod is welded and fixed on the clamp, and the clamping block and the supporting rod are of an integrally formed structure.
Preferably, the side wing hook head is rotatably connected to one end of the side wing pulling plate through a pin.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the joint subassembly in the drag hook main part, set up the flank drag hook in the joint subassembly, the flank drag hook can adjust length according to the user demand, can enlarge abdominal cavity drag hook's effect width, and then enlarge the field of vision of operation, and the medical personnel of being convenient for carry out the operation of performing the operation, sets up supporting bracing piece simultaneously, adjusts the position of bracing piece installation at will through anchor clamps, sets up the fly leaf on the bracing piece and is convenient for hang according to the demand and establishes the drag hook main part, makes drag hook main part installation firm, easy operation, convenient to use.
Drawings
FIG. 1 is a schematic view of the overall structure of the multi-wing abdominal retractor of the present invention;
fig. 2 is a schematic structural view of the retractor main body of the present invention;
fig. 3 is a schematic structural view of the retractor main body of the present invention;
FIG. 4 is a schematic structural view of the wing retractor of the present invention;
fig. 5 is a schematic structural view of the support rod of the present invention;
fig. 6 is a schematic view of the split structure of the support rod of the present invention;
fig. 7 is a schematic view of the split structure of the clamp of the present invention;
fig. 8 is a schematic structural view of a retractor body according to a second embodiment of the present invention;
fig. 9 is a schematic structural view of a retractor body according to a second embodiment of the present invention.
In the figure: 1. a hook main body; 11. a main hook head; 12. buckling a hook head; 13. a first fastening hole; 131. A circular hole; 132. a strip hole; 2. a clamping assembly; 21. a first clamp post; 211. a support pillar; 212. a limiting column; 22. a limiting block; 3. a side wing draw hook; 31. a side wing hook head; 32. side wing pulling plates; 321. a second fastening hole; 4. a support bar; 41. a clamping block; 5. a movable plate; 51. a second clamping column; 52. connecting blocks; 53. fastening a bolt; 6. a clamp; 61. an L-shaped plate; 611. a chute; 612. a screw hole; 62. a splint; 621. a slider; 622. a through hole; 63. a long screw; 7. Short side wing drag hooks; 71. short side wing hook heads; 72. short side wing pulling plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "intermediate", "diameter", "width", "upper", "lower", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
A multi-wing abdominal cavity retractor is shown in figures 1-9 and comprises a retractor main body 1, wherein a main hook head 11 is arranged at one end of the retractor main body 1 in the length direction, and a buckle hook head 12 is arranged at the other end of the retractor main body 1. In this embodiment, the main hook 11 and the hook fastening head 12 are integrally formed with the retractor body 1, so that the retractor body 1 is firm and stable. A plurality of first buckling holes 13 are formed in the drag hook main body 1 along the length direction of the drag hook main body at equal intervals, each first buckling hole 13 comprises a round hole 131 and a strip hole 132, and the round holes 131 are communicated with the strip holes 132 to form a key buckle structure.
One end of the drag hook main body 1 close to the main hook head 11 is provided with a clamping component 2, the clamping component 2 comprises a first clamping column 21, the first clamping column 21 comprises a supporting column 211, a limiting column 212 is arranged on the supporting column 211, and the diameter of the limiting column 212 is larger than that of the supporting column 211. Two limiting blocks 22 are oppositely arranged on two sides of the first clamping column 21 in the length direction of the draw hook main body 1, and the clamping assembly 2 is located between the two limiting blocks 22. Being equipped with two flank drag hooks 3 on the joint subassembly 2, flank drag hook 3 includes that flank gib head 31 and flank arm-tie 32 constitute, and the equidistant a plurality of seconds that are equipped with of flank arm-tie 32 detain hole 321, and the second is detained hole 321 and first shape, the size homogeneous phase of detaining hole 13 and is the same, and the hole 321 is detained with first card post 21 joint cooperation to the second, is convenient for install flank drag hook 3 firmly on drag hook main part 1. After the installation of the flank drag hook 3 is completed, the flank pulling plates 32 are respectively positioned at two sides of the drag hook main body 1, and two sides of each flank pulling plate 32 are respectively abutted to the two limiting blocks 22.
The lower of drag hook main part 1 is equipped with bracing piece 4, the top of bracing piece 4 is equipped with two clamp splice 41 side by side, the top of bracing piece 4 is equipped with fly leaf 5, be equipped with second card post 51 in the middle of the top of fly leaf 5, be equipped with connecting block 52 in the middle of the bottom of fly leaf 5, second card post 51 welded fastening is on fly leaf 5, second card post 51 is the same with first shape, the size of card post 21, be convenient for with drag hook main part 1 joint to the second card post 51 of fly leaf 5 through first knot hole 13.
Specifically, the aperture of the circular hole 131 is greater than or equal to the diameter of the position-limiting post 212, and in this embodiment, the aperture of the circular hole 131 is preferably equal to the diameter of the position-limiting post 212, so that the first fastening hole 13 can be just fastened to the second fastening post 51. Further, the width of the strip hole 132 is greater than or equal to the diameter of the supporting column 211 and smaller than the diameter of the limiting column 212, so that the strip hole 132 can be just clamped outside the supporting column 211 and cannot slip out of the limiting column 212, when in use, the first buckling hole 13 is firstly clamped by aligning the round hole 131 with the second clamping column 51, and the draw hook body 1 is pulled towards the direction far away from the strip hole 132 so that the draw hook body 1 is stably clamped on the second clamping column 51.
The connecting block 52 is welded and fixed on the movable plate 5, so that the movable plate 5 is firm and stable. Be equipped with fastening bolt 53 between fly leaf 5 and the bracing piece 4, connecting block 52 is articulated with clamp splice 41 through fastening bolt 53, makes the angle that the activity piece 5 can adjust the slope according to the user demand who accords with among the operation process.
The bottom of bracing piece 4 is equipped with anchor clamps 6, anchor clamps 6 include L template 61, roof one side of L template 61 is equipped with a plurality of spouts 611 side by side, be equipped with a plurality of screw holes 612 on the curb plate of L template 61 side by side, one side of L template 61 is equipped with splint 62, splint 62's top is equipped with a plurality of sliders 621 side by side, spout 611 equals and the position one-to-one with slider 621's quantity, slider 621 and spout 611 slip joint, make splint 62 and L template 61 sliding connection get up through spout 611 and slider 621. The clamping plate 62 is provided with a plurality of through holes 622 side by side, the hole diameters of the screw holes 612 and the through holes 622 are equal, the number of the screw holes 612 and the through holes 622 is the same, and the positions of the screw holes 612 and the through holes 622 are in one-to-one correspondence; a plurality of long screw rods 63 are arranged between the clamp plate 62 and the L-shaped plate 61 side by side, the long screw rods 63 sequentially penetrate through the through holes 622 and the screw holes 612, the clamp plate 62 and the L-shaped plate 61 are stably connected through the long screw rods 63, the long screw rods 63 are movably clamped with the through holes 622, the long screw rods 63 are in threaded connection with the screw holes 612, the L-shaped plate 61 and the clamp plate 62 of the clamp 6 are clamped on a side bed fence of a sickbed when the clamp is used, and the long screw rods 63 are rotated to enable the clamp 6 to be tightly clamped on the.
Further, the length of the long screw 63 is larger than the width of the clamp 6, so as to avoid that the long screw 63 is too short to pull the clamp 6 to the maximum width.
In this embodiment, the clamping component 2 is welded and fixed on the draw hook main body 1, so that the clamping component 2 is firm and stable.
Further, the position-limiting column 212 and the supporting column 211 are integrally formed, so that the first clamping column 21 is firm and stable.
Further, the distance between the two limit blocks 22 is greater than or equal to the width of the side wing pulling plate 32, and the distance between the two limit blocks 22 in this embodiment is preferably equal to the width of the side wing pulling plate 32, so that the side wing pulling plate 32 can be just clamped between the two limit blocks 22 and cannot rotate. The interval between two stopper 22 is greater than or equal to the width of flank arm-tie 32, and the surface that two stopper 22 are relative includes two crossing inclined planes, and is located two inclined planes that stagger each other on different stopper 22 and is parallel to each other, is convenient for make flank arm-tie 32 can be in the joint subassembly 2 with the angle joint of slope.
In this embodiment, the side wing hook head 31 is rotatably connected to one end of the side wing pulling plate 32 through a pin, so that the side wing hook head 31 is firmly and stably connected to the side wing pulling plate 32, and the angle of the side wing hook head 31 can be adjusted at will according to the use requirement.
In this embodiment, the supporting rod 4 is welded and fixed on the fixture 6, and the clamping block 41 and the supporting rod 4 are integrally formed, so that the supporting rod 4 is firm.
Specifically, the draw hook main body 1, the clamping component 2 and the flank draw hook 3 are all made of medical stainless steel, and the draw hook is hard and firm in material, safe, sanitary, wear-resistant and durable.
Furthermore, the support rod 4, the movable plate 5 and the clamp 6 are all made of high-quality stainless steel, and the support rod, the movable plate and the clamp are hard and firm, attractive and durable in material.
In order to improve the practicality of multi-wing abdominal cavity drag hook, increase the effect width of whole drag hook, the one end that is close to main gib head 11 in the drag hook main part 1 is equipped with two sets of joint subassemblies 2 along the length direction of drag hook main part 1 side by side, wherein keep away from being equipped with two flank drag hooks 3 in the joint subassembly 2 of main gib head 1 one side relatively, and be close to and be equipped with two short type flank drag hooks 7 in the joint subassembly 2 of main gib head 1 one end relatively, short type flank drag hook 7 includes short type flank gib head 71 and short type flank arm-tie 72.
Short type flank arm-tie 72 is the same with flank arm-tie 32 structure, and the two is also the same with the connected mode of joint subassembly 2, and the length of short type flank arm-tie 72 is less than the length of flank arm-tie 32, avoids the outer end of short type flank arm-tie 72 to stretch out and can influence the installation of flank drag hook 3. The short side wing hook head 71 and the side wing hook head 31 are identical in shape and size, so that the hook heads have the same action and pulling force.
In this embodiment, two sets of clamping components 2 are welded and fixed on the draw hook main body 1, so that the draw hook main body 1 is firm and stable. The short side wing drag hook 7 is made of medical grade stainless steel, and is made of safe, sanitary, hard and firm materials.
The utility model discloses a multi-wing abdominal cavity drag hook is when using, at first select the drag hook main part 1 of suitable size according to the demand of using, take the suitable flank drag hook 3 of length again, install the flank arm-tie 32 card of flank drag hook 3 on joint subassembly 2, then with main gib head 11 and flank gib head 31 simultaneous hook to patient's abdominal cavity skin on, press from both sides anchor clamps 6 to suitable position again and adjust the inclination just fly leaf 5, then with drag hook main part 1 on suitable position first knot hole 13 hang establish second card post 51 can.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A multi-wing abdominal cavity retractor is characterized by comprising:
the clamp (6) comprises an L-shaped plate (61) and a clamping plate (62), wherein the clamping plate (62) is adjustably mounted on the L-shaped plate (61) through a long screw (63);
one end of the supporting rod (4) is fixed on the L-shaped plate (61), the other end of the supporting rod (4) is rotatably provided with a movable plate (5), and the movable plate (5) is provided with a second clamping column (51);
the hook comprises a hook body (1), wherein a main hook head (11) is arranged at one end of the hook body (1), a fastening hook head (12) is arranged at the other end of the hook body (1), a plurality of first fastening holes (13) are formed in the hook body (1) along the length direction of the hook body at equal intervals, a second clamping column (51) can be clamped in different first fastening holes (13), a clamping component (2) and two limiting blocks (22) are arranged at one end, close to the main hook head (11), of the hook body (1), the clamping component (2) is located between the two limiting blocks (22), and the clamping component (2) comprises a first clamping column (21); and
two flank drag hooks (3), flank drag hook (3) are including flank gib head (31) and flank arm-tie (32), the equidistant a plurality of seconds that are equipped with in flank arm-tie (32) detain hole (321), second calorie of post (51) can the joint in the difference in the second is detained in hole (321), and two flank arm-tie (32) are located respectively the both sides of drag hook main part (1), every the both sides of flank arm-tie (32) are respectively with two stopper (22) butt, flank gib head (31) rotationally set up in on flank arm-tie (32).
2. The multi-wing abdominal retractor according to claim 1, wherein: first card post (21) with the structure of second card post (51) is the same, first card post (21) is including support column (211), be equipped with spacing post (212) on support column (211), the diameter of spacing post (212) is greater than the diameter of support column (211), first knot hole (13) with the structure of second knot hole (321) is the same, first knot hole (13) are including round hole (131) and rectangular hole (132) that communicate each other, the aperture of round hole (131) is greater than or equal to the diameter of spacing post (212), the width of rectangular hole (132) is greater than or equal to the diameter of support column (211) just is less than the diameter of spacing post (212).
3. The multi-wing abdominal retractor according to claim 1, wherein: the utility model discloses a bracing piece, including bracing piece (4), fly leaf (5), connecting block (52) are equipped with in the middle of the bottom of fly leaf (5), fly leaf (5) with be equipped with fastening bolt (53) between bracing piece (4), connecting block (52) through fastening bolt (53) with clamp splice (41) are articulated.
4. The multi-wing abdominal retractor according to claim 3, wherein: the distance between the two limiting blocks (22) is larger than or equal to the width of the side wing pulling plate (32), the opposite surfaces of the two limiting blocks (22) comprise two crossed inclined planes, and the two inclined planes which are positioned on different limiting blocks (22) and staggered with each other are parallel to each other.
5. The multi-wing abdominal retractor according to claim 1, wherein: be equipped with a plurality of screw (612) on the curb plate of L template (61) side by side, be equipped with a plurality of through-holes (622) on splint (62) side by side, screw (612) with the aperture of through-hole (622) equals, screw (612) with the same and position one-to-one of quantity of through-hole (622), long screw (63) passes in proper order through-hole (622) and screw (612), the length of long screw (63) is greater than the width of anchor clamps (6), long screw (63) with through-hole (622) activity joint, long screw (63) with screw (612) threaded connection.
6. The multi-wing abdominal retractor according to claim 5, wherein: one side of a top plate of the L-shaped plate (61) is provided with a plurality of sliding grooves (611) side by side, the top end of the clamping plate (62) is provided with a plurality of sliding blocks (621) side by side, the sliding grooves (611) correspond to the sliding blocks (621) in the same number and in the same positions one to one, and the sliding blocks (621) are connected with the sliding grooves (611) in a sliding and clamping mode.
7. The multi-wing abdominal retractor according to claim 3, wherein: the supporting rod (4) is fixed on the clamp (6) in a welding mode, and the clamping block (41) and the supporting rod (4) are of an integrally formed structure.
8. The multi-wing abdominal retractor according to claim 1, wherein: the side wing hook head (31) is rotatably connected to one end of the side wing pulling plate (32) through a pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920356308.8U CN210124803U (en) | 2019-03-20 | 2019-03-20 | Multi-wing abdominal cavity retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920356308.8U CN210124803U (en) | 2019-03-20 | 2019-03-20 | Multi-wing abdominal cavity retractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210124803U true CN210124803U (en) | 2020-03-06 |
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ID=69660952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920356308.8U Expired - Fee Related CN210124803U (en) | 2019-03-20 | 2019-03-20 | Multi-wing abdominal cavity retractor |
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| Country | Link |
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| CN (1) | CN210124803U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111329540A (en) * | 2020-04-08 | 2020-06-26 | 上海市同济医院 | Plastic abdominal surgery retractor based on negative pressure system |
| CN113081106A (en) * | 2021-05-10 | 2021-07-09 | 饶贵安 | Medical surgical operation traction device |
| CN113180755A (en) * | 2021-04-25 | 2021-07-30 | 王�义 | Columnar deformation baffle type drag hook device for laparoscopic surgery |
| CN114246621A (en) * | 2021-12-21 | 2022-03-29 | 黄尚辉 | Positioner is used in hepatobiliary surgery operation |
-
2019
- 2019-03-20 CN CN201920356308.8U patent/CN210124803U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111329540A (en) * | 2020-04-08 | 2020-06-26 | 上海市同济医院 | Plastic abdominal surgery retractor based on negative pressure system |
| CN113180755A (en) * | 2021-04-25 | 2021-07-30 | 王�义 | Columnar deformation baffle type drag hook device for laparoscopic surgery |
| CN113180755B (en) * | 2021-04-25 | 2023-10-27 | 广元市第一人民医院 | Columnar deformation baffle type drag hook device for laparoscopic surgery |
| CN113081106A (en) * | 2021-05-10 | 2021-07-09 | 饶贵安 | Medical surgical operation traction device |
| CN114246621A (en) * | 2021-12-21 | 2022-03-29 | 黄尚辉 | Positioner is used in hepatobiliary surgery operation |
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Granted publication date: 20200306 |