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CN108420506B - But washing attracts and quick replacement catheter's abdominal cavity pincers - Google Patents

But washing attracts and quick replacement catheter's abdominal cavity pincers Download PDF

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Publication number
CN108420506B
CN108420506B CN201810235993.9A CN201810235993A CN108420506B CN 108420506 B CN108420506 B CN 108420506B CN 201810235993 A CN201810235993 A CN 201810235993A CN 108420506 B CN108420506 B CN 108420506B
Authority
CN
China
Prior art keywords
flushing
catheter
push rod
handle
forceps
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.)
Active
Application number
CN201810235993.9A
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Chinese (zh)
Other versions
CN108420506A (en
Inventor
陈少克
余卓英
黄天宇
李育武
赵金灏
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Shantou University
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Shantou University
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Priority to CN201810235993.9A priority Critical patent/CN108420506B/en
Publication of CN108420506A publication Critical patent/CN108420506A/en
Application granted granted Critical
Publication of CN108420506B publication Critical patent/CN108420506B/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28Surgical forceps
    • A61B17/29Forceps for use in minimally invasive surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28Surgical forceps
    • A61B17/29Forceps for use in minimally invasive surgery
    • A61B17/2909Handles
    • A61M1/0058
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71Suction drainage systems
    • A61M1/74Suction control
    • A61M1/743Suction control by changing the cross-section of the line, e.g. flow regulating valves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/84Drainage tubes; Aspiration tips
    • A61M1/85Drainage tubes; Aspiration tips with gas or fluid supply means, e.g. for supplying rinsing fluids or anticoagulants
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M3/00Medical syringes, e.g. enemata; Irrigators
    • A61M3/02Enemata; Irrigators
    • A61M3/0279Cannula; Nozzles; Tips; their connection means
    • A61M3/0283Cannula; Nozzles; Tips; their connection means with at least two inner passageways, a first one for irrigating and a second for evacuating
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28Surgical forceps
    • A61B17/29Forceps for use in minimally invasive surgery
    • A61B2017/2926Details of heads or jaws

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Medical Informatics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Pulmonology (AREA)
  • Surgical Instruments (AREA)

Abstract

The utility model relates to a pair of abdominal forceps capable of flushing, sucking and rapidly replacing a catheter, which is mainly applicable to abdominal operations of human bodies. The utility model comprises a clamping mechanism and a flushing suction mechanism. The clamping mechanism comprises a clamp head, a push rod, a rotating shaft, a hanging spring and a trigger, and the trigger has an automatic reset function; the flushing suction mechanism comprises a sliding switch, a catheter, a flushing valve, a negative pressure suction valve and a guide tube connector, and the sliding switch has the functions of clamping the catheter and pushing the catheter. The utility model has reasonable and compact structural design, integrates the functions of flushing tissues and sucking waste liquid into the abdominal cavity forceps device, saves operation time, can quickly replace the disposable catheter, avoids unnecessary operation infection, is convenient and reliable to use and has low overall cost.

Description

But washing attracts and quick replacement catheter's abdominal cavity pincers
Technical Field
The utility model relates to a medical apparatus, in particular to a pair of abdominal forceps suitable for stripping, clamping, flushing, sucking and other operations in abdominal operation of a human body.
Background
Traditional abdominal cavity operation pincers, including interconnect's binding clip pole and handle subassembly, the binding clip pole includes interior pull rod, pincers sheath pipe and pincers core, interior pull rod and pincers core are connected with pincers sheath pipe respectively, and the handle subassembly includes the handle and has pivot and can rotatory regulation rotary mechanism, and during the operation, operator control handle's rotation makes the binding clip open and shut, realizes peeling off, the centre gripping function. However, frequent tissue flushing and waste liquid suction operations are often carried out in the whole operation process, so that doctors need to switch back and forth between a flushing instrument, a suction instrument and a pair of abdominal forceps in the operation process, the switching of the medical instrument increases the matching difficulty, and a certain time is wasted for changing the instrument; more importantly, the irrigating fluid has a certain probability of not being immediately aspirated and flowing to the non-operative site, causing tissue infection; more troublesome is that in minimally invasive surgery, frequent instrument replacement can cause great inconvenience to the surgery.
Chinese patent No. 2011100865671 discloses an utility model patent named as a laparoscopic surgery built-in aspirator, which can wash tissues and aspirate waste liquid at the surgical site, but always put the aspirator in the abdominal cavity during surgery to reduce the defects caused by instrument replacement; it inevitably has the following disadvantages: because the doctor must use forceps to hold the suction head to suck and remove the oozing blood and the oozing liquid, the doctor is difficult to flush and suck quickly, which may cause untimely oozing blood and oozing liquid suction to infect non-operative parts.
Chinese patent No. 002187582 discloses an utility model entitled "laparoscopic forceps" which also includes a jaw bar and a handle assembly connected to each other, which can move the jaw bar back and forth to open and close the head. But also has significant drawbacks: the irrigation aspirator needs to be frequently replaced during operation, which wastes time and risks infection.
Disclosure of Invention
The technical problem to be solved by the embodiment of the utility model is to provide the abdominal forceps capable of flushing, sucking and rapidly replacing the catheter. Can simultaneously perform tissue stripping, tissue clamping, tissue flushing and waste liquid suction on the operation part.
In order to solve the technical problems, the embodiment of the utility model provides a pair of abdominal forceps capable of flushing, sucking and rapidly replacing a catheter, which comprises a forceps rod assembly and a handle assembly, wherein the forceps rod assembly comprises a forceps head, an outer sleeve and an inner push rod arranged in the outer sleeve, and the inner push rod is used for linking the forceps head to open and close; the handle assembly comprises a handle, a trigger mechanism, a rotating mechanism and a flushing and sucking mechanism, wherein the handle is fixedly connected with the outer sleeve, the trigger mechanism is arranged in the handle and is used for driving the rotating mechanism to link the inner push rod to stretch out and draw back, and the flushing and sucking mechanism comprises a sucking catheter and a flushing catheter which are communicated to the outer sleeve.
Further, the rotary mechanism comprises an inner push rod rotating bar arranged in the handle in a rotating way and a ball arranged at the head end of the inner push rod rotating bar, an axial cylinder groove is formed in the end face of the inner push rod, the ball is arranged in the cylinder groove, a notch groove communicated with the side of the cylinder groove is formed in the side face of the inner push rod rotating bar, and the head end of the inner push rod moves between the notch groove and the cylinder groove.
Still further, trigger mechanism includes the trigger, the trigger top is cam shape and with interior push rod changes strip side terminal surface contact cooperation, interior push rod changes the strip with be provided with reset spring between the handle.
Still further, wash suction mechanism still includes washes, suction valve, wash, suction valve includes rolling pinch roller and support, be provided with the spout of putting to one side on the support, rolling pinch roller slip set up in the spout, rolling pinch roller lower part with suction catheter, washing catheter press fit.
Still further, wash suction mechanism still includes pipe slide switch, pipe slide switch includes boss, latch segment and bolt, the latch segment is provided with to lay suction pipe or wash the logical groove or the breach groove of pipe, the boss lower part is arranged in the handle, be provided with the through-hole on the boss, the bolt passes the through-hole with latch segment threaded connection, be provided with in the handle and fix a position the frame of latch segment, in the handle be provided with the stopper below the latch segment.
Further, a U-shaped groove is formed in the top of the handle, and the lower portion of the boss is arranged in the U-shaped groove.
The embodiment of the utility model has the following beneficial effects: the utility model has reasonable and compact structural design, can strip and clamp tissues, wash tissues and suck waste liquid, can wash freely, reduces frequent switching of instruments, saves operation time, can quickly replace a catheter, avoids unnecessary operation infection, is convenient and reliable to use and has low overall cost.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic overall cross-sectional view of the present utility model;
fig. 3 is a partially enlarged structural schematic diagram showing a portion a in fig. 2;
FIG. 4 is a schematic view of a portion of a clamp lever assembly;
FIG. 5 is a schematic view of the structure of the flush and suction valve;
FIG. 6 is a schematic view of the structure of the catheter sliding switch;
FIG. 7 is a schematic view of the trigger mechanism;
FIG. 8 is a schematic view of the structure of the pliers when the pliers head is opened;
fig. 9 is a schematic view of the structure of the binding clip when closed.
Wherein, the upper clamp head is 1-and the lower clamp head is 2-; 3-front connecting plates and 4-rear connecting plates; 5-an inner push rod; 6-fixing a chuck; 7-clamp rod positioning sleeve head; 8-an outer sleeve; 9-a bolt; 10, 11-bosses; 12, 13-locking blocks; 14-aspiration catheter; 15-flushing the catheter; 16-negative pressure suction catheter adapter; 17-flushing the catheter adapter; 18 19-rolling the pinch roller; 20-a trigger; 21-inner push rod rotating bar; 22-a return spring; 23-handle; 24-a handle cover; 25-brackets; 26-a chute; 27-a frame; 28-limiting block.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
Reference is made to the schematic structural diagrams shown in fig. 1, 2 and 3.
The embodiment of the utility model discloses a pair of abdominal forceps capable of flushing, sucking and rapidly replacing a catheter, which comprises a forceps rod assembly and a handle assembly.
The clamp rod assembly comprises an upper clamp head 1, a lower clamp head 2, a front connecting plate 3, a rear connecting plate 4, a fixed chuck 6, a clamp rod positioning sleeve head 7, an outer sleeve 8 and an inner push rod 5 arranged in the outer sleeve 8.
The clamp rod positioning sleeve head 7 is fixedly connected with the outer sleeve 8, and the outer sleeve 8 is fixedly connected with the handle 23.
Referring to fig. 3 and 4, the upper binding clip 1, the lower binding clip 2, the front connecting plate 3, the rear connecting plate 4 and the inner push rod 5 are connected with each other in a cylindrical pin clearance fit manner, and the connecting pins of the upper binding clip 1 and the lower binding clip 2 are fixed with the fixed chuck 6.
The handle assembly comprises a handle 23, a trigger mechanism, a rotating mechanism and a flushing suction mechanism, wherein the trigger mechanism is arranged in the handle 23, the trigger mechanism comprises a trigger 20, the top of the trigger 20 is in a cam shape and is in contact fit with the side end face of the inner push rod rotating bar 21, and a reset spring 22 is arranged between the inner push rod rotating bar 21 and the handle 23.
The trigger 20, inner push rod bar 21, return spring 22 are all pinned to the handle 23.
The rotating mechanism comprises an inner push rod rotating bar 21 rotatably arranged in the handle 23 and a ball body 51 arranged at the head end of the inner push rod 5, the inner push rod rotating bar 21 is provided with a smooth cylindrical groove 52, the side surface of the inner push rod rotating bar 21 is provided with a notch groove 53 communicated with the side of the cylindrical groove 52, and the head end of the inner push rod 5 moves between the notch groove 53 and the cylindrical groove 52. The rotary motion of the inner push rod rotating bar 21 is converted into the linear motion of the inner push rod 5 by the head end of the inner push rod 5 moving in the notch groove 53 and the cylindrical groove 52.
The flushing and sucking mechanism comprises a sucking catheter 14, a flushing catheter 15, a negative pressure sucking catheter connector 16, a flushing catheter connector 17, a catheter sliding switch, a flushing and sucking valve.
The flushing and suction valve comprises rolling pinch rollers 18 and 19 and a bracket 25, wherein an inclined chute 26 is arranged on the bracket 25, the rolling pinch rollers 18 and 19 are slidably arranged in the chute 26, and the lower parts 18 and 19 of the rolling pinch rollers are respectively in press fit with the suction conduit 14 and the flushing conduit 15.
The catheter sliding switch comprises bosses 10 and 11, locking blocks 12 and 13 and bolts 9, wherein the locking blocks 12 and 13 are provided with through grooves or notch grooves for placing suction catheters or flushing catheters, the lower parts of the bosses are arranged in a handle, through holes are formed in the bosses, the bolts penetrate through the through holes and are in threaded connection with the locking blocks, more preferably, a frame 27 for positioning the locking blocks is arranged in the handle, and a limiting block 28 is arranged below the locking blocks in the handle. The locking block is enabled to move within the length range of the frame 27 through the limiting action of the frame 27 on the locking block, the rotating action of the locking block is limited, and the adjusting range of the bolt of the locking block is limited by the limiting block 28.
The top of the handle 23 is provided with a U-shaped groove 29, the lower part of the boss is arranged in the U-shaped groove, and the bosses 10 and 11 can slide in the U-shaped groove 29, so that the suction guide pipe 14 and the flushing guide pipe 15 arranged on the locking blocks 12 and 13 can extend forwards to work.
When the utility model is used, the clamping operation is as follows: referring to fig. 7 and 8, the trigger 20 is pulled to push the inner push rod rotating bar 21 to rotate, so that the inner push rod 5 is driven to axially move, and under the fixing action of the fixed chuck 6, the upper clamp head 1 and the lower clamp head 2 perform opening and closing movement by taking the fixing pin thereof as a rotation center. The inner push rod rotating bar 21 is pulled by the return spring 22 when rotating around the fixing pin, so that the trigger 20 can be automatically reset after being released.
Controlling the flushing and imbibition speed operation: referring to fig. 4, the pushing roller 18 slides down the chute 26 to squeeze the flush conduit 15, thereby reducing the flow, the travel of the roller being limited by the slot in the handle cover 24, as shown with reference to fig. 1.
Catheter replacement operation: referring to fig. 6, the bolt 9 is manually unscrewed, and in this state the guide tube is in clearance fit with the locking block 12, so that the guide tube can be pulled away from the jaw direction. Similarly, a new conduit is assembled from the direction of the clamp rod positioning sleeve head 7, and after the conduit is positioned, the bolt is manually screwed, so that the conduit is connected with the locking block.
The sliding boss 10 can enable the suction catheter 14 and the flushing catheter 15 to stretch out and draw back when needed to flush target tissues and suck waste liquid.
The inner push rod and the clamp head part of the utility model can be disassembled for sterilization, and the washed and sucked catheter can be quickly replaced.
The above disclosure is only a preferred embodiment of the present utility model, and it is needless to say that the scope of the utility model is not limited thereto, and therefore, the equivalent changes according to the claims of the present utility model still fall within the scope of the present utility model.

Claims (3)

1. The abdominal cavity forceps capable of flushing, sucking and rapidly replacing the catheter are characterized by comprising a forceps rod assembly and a handle assembly, wherein the forceps rod assembly comprises an upper forceps head, a lower forceps head, a front connecting plate, a rear connecting plate, a fixed chuck, an outer sleeve, a forceps rod positioning sleeve head fixedly connected with the outer sleeve and an inner push rod arranged in the outer sleeve, the upper forceps head, the lower forceps head, the front connecting plate, the rear connecting plate and the inner push rod are connected in a cylindrical pin clearance fit manner, a connecting pin of the upper forceps head and the connecting pin of the forceps head are fixed with the fixed chuck, and the inner push rod is used for linking the forceps head to open and close; the handle assembly comprises a handle, a trigger mechanism, a rotating mechanism and a flushing and sucking mechanism, the handle is fixedly connected with the outer sleeve, the trigger mechanism is arranged in the handle, the trigger mechanism is used for driving the rotating mechanism to link the inner push rod to stretch out and draw back, the flushing and sucking mechanism comprises a sucking guide pipe and a flushing guide pipe which are communicated to the outer sleeve, the flushing and sucking mechanism further comprises a flushing and sucking valve, the flushing and sucking valve comprises a rolling pinch roller and a bracket, an inclined chute is arranged on the bracket, the rolling pinch roller is arranged in the chute in a sliding mode, and the lower part of the rolling pinch roller is in press fit with the sucking guide pipe and the flushing guide pipe; the flushing suction mechanism further comprises a catheter sliding switch, the catheter sliding switch comprises a boss, a locking block and a bolt, the locking block is provided with a through groove or a notch groove for placing the suction catheter or the flushing catheter, the lower part of the boss is arranged in the handle, a through hole is formed in the boss, the bolt penetrates through the through hole and is in threaded connection with the locking block, a frame for positioning the locking block is arranged in the handle, and a limiting block is arranged below the locking block in the handle; the rotary mechanism comprises an inner push rod rotating bar arranged in the handle in a rotating way and a ball body arranged at the head end of the inner push rod, an axial cylindrical groove is formed in the end face of the inner push rod rotating bar, the ball body is arranged in the cylindrical groove, a notch groove communicated with the side of the cylindrical groove is formed in the side face of the inner push rod rotating bar, and the head end of the inner push rod moves between the notch groove and the cylindrical groove.
2. The flushable suction and quick change catheter abdominal forceps of claim 1, wherein the trigger mechanism comprises a trigger having a cam shape at a top thereof in contact engagement with the inner push rod runner side end surface, a return spring being disposed between the inner push rod runner and the handle.
3. The flushable suction and quick change catheter abdominal forceps of claim 1, wherein the handle top is provided with a U-shaped slot, and the boss lower portion is disposed in the U-shaped slot.
CN201810235993.9A 2018-03-21 2018-03-21 But washing attracts and quick replacement catheter's abdominal cavity pincers Active CN108420506B (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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CN108420506B true CN108420506B (en) 2023-11-24

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CN109044488A (en) * 2018-09-28 2018-12-21 朱海涛 Operation on liver surgical clamp
CN109893211B (en) * 2019-01-31 2024-03-12 汕头大学 Clamping device of minimally invasive abdominal cavity surgical equipment
CN109938789B (en) * 2019-02-01 2024-03-26 汕头大学 Nail pushing device of minimally invasive abdominal cavity surgical equipment
CN111904519B (en) * 2019-05-10 2022-05-31 河南省人民医院 Compression hemostasis device under endoscope
CN110338879B (en) * 2019-08-09 2024-05-03 刘飞德 High-flux laparoscope separating forceps
CN112957107B (en) * 2021-02-19 2021-11-30 南昌华安众辉健康科技有限公司 Pleuroperitoneal cavity surgical instrument with laparoscope
CN112971920A (en) * 2021-02-21 2021-06-18 中日友好医院(中日友好临床医学研究所) Two-way grasping forceps for digestive endoscopy
CN219207176U (en) * 2022-12-30 2023-06-20 天津市第三中心医院 Controllable sucking, flushing and grasping forceps for laparoscope

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US5607436A (en) * 1993-10-08 1997-03-04 United States Surgical Corporation Apparatus for applying surgical clips
US5935097A (en) * 1996-06-21 1999-08-10 Richard Wolf Gmbh Suction and rinsing instrument
TWM306863U (en) * 2006-06-22 2007-03-01 Lagis Entpr Co Ltd Structure of washing and suction apparatus for endoscopic surgery
CN103083059A (en) * 2008-08-29 2013-05-08 柯惠Lp公司 Endoscopic surgical clip applier with connector plate
CN101485585A (en) * 2009-02-12 2009-07-22 杭州桐庐尖端医光器械总厂 Disposal surgical forceps for abdominoscope
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CN103906476A (en) * 2011-09-06 2014-07-02 伊西康内外科公司 Stapling instrument comprising resettable staple drivers
CN102614006A (en) * 2012-04-16 2012-08-01 涂名超 Laparoscope operating forceps capable of allowing bending angle of forceps head to be locked
CN202776423U (en) * 2012-07-26 2013-03-13 汕头大学医学院第一附属医院 Noosing machine for laparoscopic surgery
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CN105377150A (en) * 2013-04-16 2016-03-02 泰利福医疗公司 Needlescopic instrument with reusable handle and detachable needle assembly
CN203970491U (en) * 2014-07-15 2014-12-03 李岱峰 Medical endoscope operating forceps
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CN107157538A (en) * 2017-04-18 2017-09-15 重庆康美唯外科器械有限公司 A kind of linear cutting anastomat
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CN107496037A (en) * 2017-08-23 2017-12-22 汕头大学医学院第附属医院 A kind of external hanging type hysteroscope attracts and flusher
CN107736864A (en) * 2017-10-11 2018-02-27 复旦大学附属中山医院 Attractor for laparoscope handle and attractor for laparoscope
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