CN111419305A - Multifunctional flap retractor in mammary gland surgical operation - Google Patents
Multifunctional flap retractor in mammary gland surgical operation Download PDFInfo
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- CN111419305A CN111419305A CN202010316103.4A CN202010316103A CN111419305A CN 111419305 A CN111419305 A CN 111419305A CN 202010316103 A CN202010316103 A CN 202010316103A CN 111419305 A CN111419305 A CN 111419305A
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- transmission
- fixedly connected
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- rotating disc
- lifting rod
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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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Surgery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a multifunctional flap retractor in a breast surgery, which comprises a rotating disc and a positioning column fixed on a surgical bed frame, wherein a spiral guide groove is formed in the lower surface of the rotating disc, a transmission column is connected to the inner wall of the spiral guide groove in a sliding manner, a limiting rod is fixedly connected to the side surface of the positioning column, the surface of the limiting rod penetrates through the transmission column and is connected with the transmission column in a sliding manner, a transmission arm is fixedly connected to the bottom of the transmission column, a transmission ring is fixedly connected to the bottom of the transmission arm, a lifting rod is connected to the inner wall of the transmission ring in a sliding manner, and a pressing column is connected to the top of the lifting rod in a. According to the invention, through the matching use of the structures, the problem that inconvenience is brought to doctors due to the fact that the pull rod is inconvenient to adjust and limited in adjustment degree in the actual use process is solved; and the drag hook is easy to cause secondary damage to the skin of the wound surface, thus aggravating the problem of the damaged degree of the skin of the patient.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a multifunctional skin flap retractor in a breast surgery.
Background
Breast surgery is the next branch of clinical surgery, mainly aiming at the surgical aspects of breast diseases: breast anatomy, breast infection, breast tumor pathology, breast tumor diagnosis and treatment principle, breast tumor diagnosis, various surgical procedures of breast tumor surgery, chemotherapy, radiotherapy and endocrine treatment; in the surgical operation process, skin flap or tissue separation operation is often required to be carried out on the surfaces of skin tissues or ribs of subcutaneous parts and chests, and because the potential separation surfaces are large and the blood vessels are rich, the operation difficulty is high, the consumed time is long, the amount of bleeding is large, and certain operation obstacles exist; therefore, the skin flap or tissue is well pulled and the target visual field is exposed, which is beneficial to the smooth operation of the operation, but at present, the free skin flap or tissue is treated by clamping the skin margin part by using machines such as tissue clamp and vascular clamp, which is not convenient and easy to damage the tissue when in use and brings influence to the postoperative healing; for this reason, people propose a flap retractor, such as the multi-functional flap retractor in mammary gland surgery that chinese patent CN107550527B discloses, including handle cover, Y word adjusting lever, first pull rod, second pull rod, first air cushion cover, second air cushion cover, connecting pipe, connector, gas injection pipe, governing valve, inflatable balloon, can improve the pulling scope, enlarge the field of vision, secondly through the cooperation of air cushion parcel protection, not only to the tissue injury little, and can also facilitate the operation of medical personnel, finally pass through the above-mentioned, thus do benefit to clinical popularization and application;
in the actual use process, however, the adjustment of the pull rod is not convenient enough, and the adjustment degree is limited, so that inconvenience is brought to the use of doctors; moreover, the drag hook is easy to cause secondary damage to the skin of the wound surface, and the damage degree of the skin of a patient is aggravated.
Disclosure of Invention
The invention aims to provide a multifunctional flap retractor in a breast surgery, which improves the traditional device and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the multifunctional flap retractor in the breast surgery comprises a rotating disc and a positioning column fixed on a frame of an operation bed, wherein a spiral guide groove is formed in the lower surface of the rotating disc, a transmission column is connected to the inner wall of the spiral guide groove in a sliding mode, a limiting rod is fixedly connected to the side face of the positioning column, and the surface of the limiting rod penetrates through the transmission column and is connected with the transmission column in a sliding mode.
The bottom of the transmission column is fixedly connected with a transmission arm, the bottom of the transmission arm is fixedly connected with a transmission ring, the inner wall of the transmission ring is connected with a lifting rod in a sliding way, the top of the lifting rod is connected with a pressing column in a sliding way, the bottom of the positioning column is fixedly connected with a negative pressure pump, the bottom of the pressure column is fixedly connected with the upper surface of the negative pressure pump, the surface of the lifting rod is fixedly sleeved with a transmission ring, the surface of the lifting rod is sleeved with a pressure spring, two ends of the pressure spring are respectively and fixedly connected with the opposite surfaces of the transmission ring and the transmission ring, the bottom of the lifting rod is fixedly connected with a connecting seat, the inner wall of the connecting seat is provided with a steering device in a limiting and rotating way, turn to the fixed surface of device and be connected with the absorption sleeve, the through-hole has been seted up and has been passed through-hole fixedly connected with elasticity pipe to the side of absorption sleeve, keep away from the sealed air inlet that links firmly on absorption sleeve's one end and the negative pressure pump on the elasticity pipe.
Preferably, edges on the side face of the rotating disc are subjected to arc transition treatment, and anti-skid grains are formed in the surface of the rotating disc.
Preferably, the number of the transmission columns is two, and the two transmission columns are symmetrically arranged by using the vertical central line of the positioning column.
Preferably, the top of lifter is the arc terminal surface, and the lifter passes through the arc terminal surface on it and the lower surface sliding connection of compression leg.
Preferably, the steering device comprises a worm, two ends of the worm respectively penetrate through two sides of the connecting seat and are limited and rotated on the connecting seat, a non-complete worm wheel is meshed on the lower surface of the worm, the circle center of the non-complete worm wheel is rotatably connected with the inner wall of the connecting seat through a pin shaft, and a non-tooth surface on the non-complete worm wheel is fixedly connected with the top of the adsorption sleeve.
Preferably, the inner wall of the adsorption sleeve is fixedly connected with filter screens, and the number of the filter screens is not less than two.
Preferably, the bottom of the adsorption sleeve is fixedly connected with a hemispherical shell, and the surface of the arc-shaped outline of the hemispherical shell is provided with a fine hole.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the device is fixedly connected with the operation bed frame through the positioning column, so that the whole device is fixed; the negative pressure is used for adsorbing the edge of the skin of the wound by matching the negative pressure pump, the adsorption sleeve and the elastic tube, so that the fixation is realized;
the transmission column can drive the transmission arm to move left and right on the limiting rod under the guidance of the rotating spiral guide groove by changing the rotating direction of the rotating disc through the matching use of the rotating disc, the positioning column, the transmission column and the limiting rod;
under the coordination of the transmission arm, the transmission ring, the lifting rod, the pressure column, the negative pressure pump, the transmission ring and the pressure spring, the skin at the wound surface of a patient is pulled movably, and the skin can be pulled to a designated position quickly;
the invention solves the problem that the adjustment of the pull rod is inconvenient and the adjustment degree is limited in the actual use process, so that the inconvenience is brought to doctors due to the fact that the pull rod is not convenient to adjust; and the drag hook is easy to cause secondary damage to the skin of the wound surface, thus aggravating the problem of the damaged degree of the skin of the patient.
Drawings
FIG. 1 is a front cross-sectional view of a rotating disk of the present invention;
FIG. 2 is a front cross-sectional view of the connecting socket of the present invention;
fig. 3 is a bottom view of the rotating disk of the present invention.
In the figure: the device comprises a rotating disc 1, a positioning column 2, a spiral guide groove 3, a transmission column 4, a limiting rod 5, a transmission arm 6, a transmission ring 7, a lifting rod 8, a compression column 9, a negative pressure pump 10, a transmission ring 11, a compression spring 12, a connecting seat 13, a steering device 14, an adsorption sleeve 15, an elastic tube 16, a worm 17, an incomplete worm wheel 18, a filter screen 19 and a hemispherical shell 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a multifunctional flap retractor in a breast surgery comprises a rotating disc 1 and a positioning column 2 fixed on a surgical bed frame, and the positioning column 2 is fixedly connected with the surgical bed frame to realize the fixation of the whole device; the positioning column 2 penetrates through the rotating disc 1 at the circle center of the rotating disc 1, the rotating disc 1 and the positioning column are in limited rotating connection, edges on the side face of the rotating disc 1 are subjected to arc transition treatment, anti-skid grains are formed in the surface of the rotating disc 1, the oppressive feeling caused by manually driving the rotating disc 1 to rotate can be relieved through the arc transition treatment on the edges of the rotating disc 1, and the anti-skid grains are formed in the anti-skid grains, so that the rotating disc can rotate more labor-saving; spiral guide slot 3 has been seted up to the lower surface of rolling disc 1, the inner wall sliding connection of spiral guide slot 3 has transmission post 4, and the quantity of transmission post 4 is two, and two transmission posts 4 set up with the vertical central line symmetry of reference column 2, correspond two lifters 8 and the adsorption sleeve 15 on the lifter 8 on it through two transmission posts 4, can carry out the tractive to two skin on the patient wound surface from this, the side fixedly connected with gag lever post 5 of reference column 2, the surface of gag lever post 5 run through transmission post 4 and with transmission post 4 sliding connection.
The bottom of the transmission column 4 is fixedly connected with a transmission arm 6, after the fixing is finished, the rotation disc 1 is driven to rotate on the positioning column 2 in a limiting mode manually, and the limiting rod 5 limits the movement track of the transmission column 4 after penetrating through the transmission column 4, so that the transmission column 4 can only move left and right on the limiting rod 5, and therefore after the rotation disc 1 rotates, the spiral guide groove 3 in the rotation disc 1 and the transmission column 4 slide relatively; by changing the rotating direction of the rotating disc 1, the transmission column 4 can drive the transmission arm 6 to move left and right on the limiting rod 5 under the guidance of the rotating spiral guide groove 3; the bottom of the transmission arm 6 is fixedly connected with a transmission ring 7, the inner wall of the transmission ring 7 is connected with a lifting rod 8 in a sliding manner, and when the transmission arm 6 drives the transmission ring 7 and the lifting rod 8 to move towards the negative pressure pump 10, the lifting rod 8 drives a transmission ring 11 on the lifting rod 8 to move downwards after overcoming the elasticity of a pressure spring 12 under the guidance of a pressure column 9; similarly, when the transmission arm 6 drives the transmission ring 7 and the lifting rod 8 to move towards the direction far away from the negative pressure pump 10, the lifting rod 8 can move upwards under the action of the elastic force of the pressure spring 12; the connecting seat 13 and the adsorption sleeve 15 on the bottom of the lifting rod 8 also synchronously move in the horizontal and vertical directions; therefore, the skin at the wound surface of the patient can be pulled, and the skin can be quickly pulled to a specified position; the top of the lifting rod 8 is an arc-shaped end surface, the lifting rod 8 is connected with the lower surface of the pressure column 9 in a sliding mode through the arc-shaped end surface on the lifting rod 8, and the lifting rod 8 can slide on the pressure column 9 more smoothly through the arrangement of the arc-shaped end surface on the lifting rod 8; the top of the lifting rod 8 is connected with a pressing column 9 in a sliding manner, the bottom of the positioning column 2 is fixedly connected with a negative pressure pump 10, the bottom of the pressing column 9 is fixedly connected with the upper surface of the negative pressure pump 10, the surface of the lifting rod 8 is fixedly sleeved with a transmission ring 11, the surface of the lifting rod 8 is sleeved with a pressure spring 12, two ends of the pressure spring 12 are respectively fixedly connected with opposite surfaces of the transmission ring 11 and the transmission ring 7, the bottom of the lifting rod 8 is fixedly connected with a connecting seat 13, a steering device 14 is arranged on the inner wall of the connecting seat 13 in a limiting rotation manner, the steering device 14 comprises a worm 17, two ends of the worm 17 respectively penetrate through two sides of the connecting seat 13 and limit-rotate on the connecting seat 13, a non-complete worm wheel 18 is meshed with the lower surface of the worm 17, the circle center of the non-complete worm wheel 18 is rotatably connected with the inner wall of the connecting seat 13 through a, the worm 17 is driven to rotate on the connecting seat 13 in a limiting manner manually, so that the incomplete worm wheel 18 meshed with the worm wheel also drives the adsorption sleeve 15 to rotate synchronously, and the incomplete worm wheel 18 and the worm 17 have a reverse locking effect, namely, the rotation of the incomplete worm wheel 18 cannot drive the worm 17 to rotate, so that the adsorption sleeve 15 can perform adaptive rotation adjustment after adsorbing and fixing the skin of a patient, and the fixing and drawing effects are improved; an adsorption sleeve 15 is fixedly connected to the surface of the steering device 14, the negative pressure pump 10 is connected with a power supply and starts a switch, then the edge of skin needing to be drawn on the wound surface of a patient is attached to the bottom of the adsorption sleeve 15, negative pressure is generated in the adsorption sleeve 15 after the negative pressure pump 10 is started and is transmitted through the elastic tube 16, and the edge of the skin of the wound surface is adsorbed by the negative pressure, so that fixation is realized; the inner wall of the adsorption sleeve 15 is fixedly connected with the filter screens 19, the number of the filter screens 19 is not less than two, tissue fragments and the like on the skin can be prevented from being adsorbed into the negative pressure pump 10 by the arrangement of the two filter screens 19 on the inner wall of the adsorption sleeve 15, the fragments are filtered by the filter screens 19, and the service life of the negative pressure pump 10 is prolonged; the bottom of the adsorption sleeve 15 is fixedly connected with a hemispherical shell 20, the surface of the arc-shaped outline of the hemispherical shell 20 is provided with a pore, the skin surface at the wound surface of a patient is attached to the arc-shaped outline of the hemispherical shell 20, the skin is adsorbed by negative pressure generated in the pore on the hemispherical shell 20, the skin surface is uniformly adsorbed by reducing the adsorption area, the influence of negative pressure adsorption on the skin surface is reduced, and the sufficient adsorption and fixation effects are ensured; the side of the adsorption sleeve 15 is provided with a through hole and is fixedly connected with an elastic tube 16 through the through hole, and one end of the elastic tube 16, which is far away from the adsorption sleeve 15, is fixedly connected with an air inlet on the negative pressure pump 10 in a sealing manner.
The working principle is as follows: when the multifunctional flap retractor in the breast surgery is used, the positioning column 2 is fixedly connected with the operation bed frame, so that the fixation of the whole device is realized; the negative pressure pump 10 is connected with a power supply and a switch is started, then the skin edge of the wound of a patient needing to be drawn is attached to the bottom of the adsorption sleeve 15, negative pressure is generated in the adsorption sleeve 15 after the negative pressure pump 10 is started and is transmitted through the elastic tube 16, the skin edge of the wound is adsorbed by the negative pressure, and therefore fixation is achieved; after the fixing is finished, the rotating disc 1 is driven to rotate in a limiting mode on the positioning column 2 manually, and the limiting rod 5 limits the motion track of the transmission column 4 after penetrating through the transmission column 4, so that the transmission column 4 can only move left and right on the limiting rod 5, and therefore after the rotating disc 1 rotates, the spiral guide groove 3 in the rotating disc 1 and the transmission column 4 slide relatively; by changing the rotating direction of the rotating disc 1, the transmission column 4 can drive the transmission arm 6 to move left and right on the limiting rod 5 under the guidance of the rotating spiral guide groove 3; when the transmission arm 6 drives the transmission ring 7 and the lifting rod 8 to move towards the negative pressure pump 10, the lifting rod 8 drives the transmission ring 11 thereon to move downwards after overcoming the elasticity of the pressure spring 12 under the guidance of the pressure column 9; similarly, when the transmission arm 6 drives the transmission ring 7 and the lifting rod 8 to move towards the direction far away from the negative pressure pump 10, the lifting rod 8 can move upwards under the action of the elastic force of the pressure spring 12; the connecting seat 13 and the adsorption sleeve 15 on the bottom of the lifting rod 8 also synchronously move in the horizontal and vertical directions; therefore, the skin at the wound surface of the patient can be pulled, and the skin can be quickly pulled to a specified position;
through the matching use of the structures, the problem that inconvenience is brought to doctors due to the fact that the pull rod is inconvenient to adjust and limited in adjusting degree in the actual use process is solved; and the drag hook is easy to cause secondary damage to the skin of the wound surface, thus aggravating the problem of the damaged degree of the skin of the patient.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A multi-functional skin flap tractive ware in mammary gland surgery operation which characterized in that: the surgical bed comprises a rotating disc (1) and a positioning column (2) fixed on a surgical bed frame, wherein a spiral guide groove (3) is formed in the lower surface of the rotating disc (1), a transmission column (4) is connected to the inner wall of the spiral guide groove (3) in a sliding manner, a limiting rod (5) is fixedly connected to the side surface of the positioning column (2), and the surface of the limiting rod (5) penetrates through the transmission column (4) and is connected with the transmission column (4) in a sliding manner;
the bottom of transmission post (4) is fixedly connected with transmission arm (6), the bottom of transmission arm (6) is fixedly connected with transmission ring (7), the inner wall sliding connection of transmission ring (7) has lifter (8), the top sliding connection of lifter (8) has compression leg (9), the bottom of reference column (2) is fixedly connected with negative pressure pump (10), the bottom of compression leg (9) is fixedly connected with the upper surface of negative pressure pump (10), the fixed surface cover of lifter (8) has transmission ring (11), the cover of surface of lifter (8) has pressure spring (12), the both ends of pressure spring (12) respectively with the opposite face fixed connection of transmission ring (11) and transmission ring (7), the bottom fixed connection of lifter (8) has connecting seat (13), the inner wall spacing rotation of connecting seat (13) has steering device (14), turn to fixed surface of device (14) and be connected with adsorption sleeve (15), the through-hole has been seted up and has been passed through-hole fixedly connected with elasticity pipe (16) to the side of adsorption sleeve (15), keep away from the sealed linking firmly of air inlet on one end and the negative pressure pump (10) of adsorption sleeve (15) on elasticity pipe (16).
2. The multifunctional flap retractor in breast surgery as set forth in claim 1, wherein: edges on the side face of the rotating disc (1) are subjected to arc transition treatment, and anti-slip lines are formed in the surface of the rotating disc (1).
3. The multifunctional flap retractor in breast surgery as set forth in claim 1, wherein: the number of the transmission columns (4) is two, and the two transmission columns (4) are symmetrically arranged by using the vertical central line of the positioning column (2).
4. The multifunctional flap retractor in breast surgery as set forth in claim 1, wherein: the top of the lifting rod (8) is an arc-shaped end face, and the lifting rod (8) is connected with the lower surface of the compression leg (9) in a sliding mode through the arc-shaped end face on the lifting rod.
5. The multifunctional flap retractor in breast surgery as set forth in claim 1, wherein: turn to device (14) including worm (17), the both ends of worm (17) run through the both sides of connecting seat (13) respectively and limit rotation on connecting seat (13), the lower surface meshing of worm (17) has incomplete worm wheel (18), the centre of a circle department of incomplete worm wheel (18) is connected through the inner wall rotation of round pin axle with connecting seat (13), the non-flank of tooth on incomplete worm wheel (18) and the top fixed connection who adsorbs sleeve (15).
6. The multifunctional flap retractor in breast surgery as set forth in claim 1, wherein: the inner wall fixedly connected with filter screen (19) of absorption sleeve (15), and the quantity of filter screen (19) is no less than two.
7. The multifunctional flap retractor in breast surgery as set forth in claim 1, wherein: the bottom of the adsorption sleeve (15) is fixedly connected with a hemispherical shell (20), and the surface of the arc-shaped outline of the hemispherical shell (20) is provided with a fine hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010316103.4A CN111419305A (en) | 2020-04-21 | 2020-04-21 | Multifunctional flap retractor in mammary gland surgical operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010316103.4A CN111419305A (en) | 2020-04-21 | 2020-04-21 | Multifunctional flap retractor in mammary gland surgical operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111419305A true CN111419305A (en) | 2020-07-17 |
Family
ID=71556532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010316103.4A Withdrawn CN111419305A (en) | 2020-04-21 | 2020-04-21 | Multifunctional flap retractor in mammary gland surgical operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111419305A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111956279A (en) * | 2020-08-19 | 2020-11-20 | 南通市肿瘤医院 | Retractor for minimally invasive surgery |
| CN113116417A (en) * | 2021-04-20 | 2021-07-16 | 中国人民解放军空军军医大学 | Supporting device for mammary gland prosthesis operation |
-
2020
- 2020-04-21 CN CN202010316103.4A patent/CN111419305A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111956279A (en) * | 2020-08-19 | 2020-11-20 | 南通市肿瘤医院 | Retractor for minimally invasive surgery |
| CN113116417A (en) * | 2021-04-20 | 2021-07-16 | 中国人民解放军空军军医大学 | Supporting device for mammary gland prosthesis operation |
| CN113116417B (en) * | 2021-04-20 | 2023-08-29 | 中国人民解放军空军军医大学 | Support device for mammary gland prosthesis operation |
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Application publication date: 20200717 |
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