CN108433785B - Medical scissors pincers convenient to tailor - Google Patents

Medical scissors pincers convenient to tailor Download PDF

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Publication number
CN108433785B
CN108433785B CN201810276239.XA CN201810276239A CN108433785B CN 108433785 B CN108433785 B CN 108433785B CN 201810276239 A CN201810276239 A CN 201810276239A CN 108433785 B CN108433785 B CN 108433785B
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CN
China
Prior art keywords
arm
grab handle
adjusting arm
sliding
blade
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.)
Expired - Fee Related
Application number
CN201810276239.XA
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Chinese (zh)
Other versions
CN108433785A (en
Inventor
周厚民
李田田
王钰
兰玲
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Qingdao Municipal Hospital
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Qingdao Municipal Hospital
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Qingdao Municipal Hospital filed Critical Qingdao Municipal Hospital
Priority to CN201810276239.XA priority Critical patent/CN108433785B/en
Publication of CN108433785A publication Critical patent/CN108433785A/en
Application granted granted Critical
Publication of CN108433785B publication Critical patent/CN108433785B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A61B17/32—Surgical cutting instruments
    • A61B17/3201—Scissors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0467—Instruments for cutting sutures
    • 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
    • A61B17/2812—Surgical forceps with a single pivotal connection
    • A61B17/2841—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
    • A61B17/285—Surgical forceps combined with cutting implements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F15/00—Auxiliary appliances for wound dressings; Dispensing containers for dressings or bandages
    • A61F15/02—Devices for cutting bandages of any kind, e.g. shears, cast-cutting saws

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Pathology (AREA)
  • Epidemiology (AREA)
  • Vascular Medicine (AREA)
  • Scissors And Nippers (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention relates to a pair of medical scissors convenient to cut, which comprises an upper forceps body, a lower arm and an upper arm, wherein the upper forceps body is hinged with the right end of the lower forceps body, the upper forceps body is connected with the lower arm, and the lower forceps body is connected with the upper arm; the right end of the lower arm is provided with a lower grab handle, the upper arm is provided with an upper grab handle, the left end of the upper grab handle is hinged with the upper arm, and the left end of the upper grab handle is provided with a limiting bulge; the lower arm is provided with an adjusting arm, the left end of the adjusting arm is hinged with the lower arm, the right end of the adjusting arm is arranged below the lower arm, the adjusting arm is provided with a support rod, and the lower end of the support rod is connected with the adjusting arm in a sliding manner; the upper clamp body is provided with a slidable blade, the edge part of the blade is opposite to the lower clamp body, the edge part of the blade is arranged in a leftward inclined mode, and the lower clamp body is provided with a yielding groove; the upper clamp body is provided with a sliding rod which can slide, the left end of the sliding rod is connected with the blade, the right end of the sliding rod is hinged with the upper end of the supporting rod, and the sliding rod is sleeved with a spring; the upper grab handle is provided with a pressure lever arranged below the upper grab handle, the upper end of the pressure lever is connected with the upper grab handle, and the lower end of the pressure lever is contacted with the right part of the adjusting arm.

Description

Medical scissors pincers convenient to tailor
Technical Field
The invention relates to the field of medical supplies, in particular to a pair of medical scissors convenient to cut.
Background
The scissors and the clamp are used as common medical instruments and widely applied to various medical links, the common scissors and the clamp are used independently at present, and need to be replaced frequently during use, and although the scissors and the clamp can meet the use requirements to a certain extent, the scissors and the clamp still have a plurality of defects.
The scissors are commonly used for cutting threads, gauzes, bandages or removing threads and the like, and when the gauze, the bandages or similar medical products with sheet structures are cut by the scissors, the cut is irregular due to the fact that the scissors cannot be reliably positioned at present, particularly for the products woven by the gauzes or the bandages, the irregular cut easily causes the thread ends at the cut part to be scattered or fall off, and the scissors are inconvenient to use; in addition, when the stitches are removed, the sharp parts of the scissors need to be inserted into the bandage or the part of the gauze contacted with the body of the patient to cut, and the sharp parts of the scissors are usually sharp, so that the skin of the patient is easily scratched, and unnecessary trouble is brought to the patient.
The forceps are generally used for stopping bleeding, clamping human tissues or taking out foreign matters, and when the forceps are used for clamping human tissues or taking out foreign matters, the human tissues are mutually connected, and the foreign matters in the human body can also generate tissue adhesion in the human body, so that the human tissues or the foreign matters need to be cut off from the body of a patient by a cutter before the forceps are used for clamping or taking out; when the incision is small, a powerful force bearing point is lacked for cutting in vivo, the cutting operation process is difficult, the cut tissue or foreign bodies are difficult to find due to the fact that the cut tissue or foreign bodies lose connection with a human body and possibly shift or fall into tissue fluid, and the operation is not favorable for quickly finishing.
Disclosure of Invention
Aiming at the situation, in order to make up for the technical defects in the prior art, the invention provides the medical scissors clamp convenient for cutting, so as to solve the problems of frequent replacement and insufficient functions in the use process caused by independent use of the existing scissors and the clamp.
The technical scheme for solving the problem is as follows: the clamp comprises an upper clamp body, a lower arm and an upper arm which are horizontally arranged respectively, wherein the upper clamp body is arranged above the lower clamp body and is attached to the lower clamp body, and the upper arm is arranged above the lower arm; the upper clamp body is hinged with the right end of the lower clamp body to form a jaw, the right end of the upper clamp body is connected with the left end of the lower arm, and the right end of the lower clamp body is connected with the left end of the upper arm; the right end of the lower arm is provided with a lower grab handle, the upper arm is provided with an upper grab handle, the left end of the upper grab handle is hinged with the left part of the upper arm, the left end of the upper grab handle is provided with a limiting bulge, when the upper grab handle rotates anticlockwise on the upper arm, the limiting bulge rotates along with the upper grab handle and gradually contacts with the upper arm to stop the rotation of the upper grab handle, and the inconvenience caused by the fact that the angle between the upper grab handle and the upper arm is too large and the jaw is opened is prevented; the lower arm is provided with an adjusting arm, the left end of the adjusting arm is hinged with the left part of the lower arm, the right end of the adjusting arm is arranged below the lower arm, the adjusting arm is provided with a support rod capable of sliding along the length direction of the adjusting arm, and the lower end of the support rod is connected with the adjusting arm in a sliding manner; the upper plier body is provided with a blade which can slide along the length direction of the upper plier body, the edge part of the blade is opposite to the lower plier body, the edge part of the blade is arranged in a left inclined way, the lower plier body is provided with a abdicating groove matched with the edge part of the blade, and the lower end of the edge part of the blade is arranged in the abdicating groove; the upper clamp body is provided with a horizontally arranged sliding rod which can slide along the length direction of the upper clamp body, the left end of the sliding rod is connected with the blade, the right end of the sliding rod is hinged with the upper end of the supporting rod, the sliding rod is sleeved with a spring, one end of the spring is connected with the upper clamp body, and the other end of the spring is connected with the right end of the sliding rod; the upper grab handle is provided with a pressure lever arranged below the upper grab handle, the upper end of the pressure lever is connected with the upper grab handle, and the lower end of the pressure lever is contacted with the right part of the adjusting arm.
The invention has the advantages of exquisite structure and simple operation, can be used as a clamp or a scissors according to requirements, can realize effective positioning during shearing, ensures the orderliness of an incision, can effectively avoid secondary injury possibly occurring in the operation process of direct contact with a patient such as stitch removal and the like, and improves the use safety.
Drawings
FIG. 1 is an elevational view of the invention with the jaws closed.
FIG. 2 is an isometric view of the invention with the jaws closed.
FIG. 3 is an elevational view of the jaws of the present invention open.
FIG. 4 is an isometric view of the invention with the jaws open.
FIG. 5 is a front view of the jaws of the present invention closed for shearing.
FIG. 6 is an isometric view of the jaws of the present invention closed for cutting.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, the present invention includes an upper clamp body 1, a lower clamp body 2, a lower arm 3 and an upper arm 4, which are horizontally disposed, respectively, the upper clamp body 1 is disposed above the lower clamp body 2, the upper clamp body 1 is attached to the lower clamp body 2, and the upper arm 4 is disposed above the lower arm 3; the upper clamp body 1 is hinged with the right end of the lower clamp body 2 to form a jaw, the right end of the upper clamp body 1 is connected with the left end of the lower arm 3, and the right end of the lower clamp body 2 is connected with the left end of the upper arm 4; the right end of the lower arm 3 is provided with a lower grab handle 5, the upper arm 4 is provided with an upper grab handle 6, the left end of the upper grab handle 6 is hinged with the left part of the upper arm 4, the left end of the upper grab handle 6 is provided with a limiting bulge 7, when the upper grab handle 6 rotates anticlockwise on the upper arm 4, the limiting bulge 7 rotates along with the upper grab handle 6 and gradually contacts with the upper arm 4 to stop the rotation of the upper grab handle 6, and the inconvenience in operation when the jaw is opened due to the overlarge angle between the upper grab handle 6 and the upper arm 4 is prevented; the lower arm 3 is provided with an adjusting arm 8, the left end of the adjusting arm 8 is hinged with the left part of the lower arm 3, the right end of the adjusting arm 8 is arranged below the lower arm 3, the adjusting arm 8 is provided with a support rod 9 which can slide along the length direction of the adjusting arm 8, and the lower end of the support rod 9 is connected with the adjusting arm 8 in a sliding manner; the upper pliers body 1 is provided with a blade 10 which can slide along the length direction of the upper pliers body 1, the edge part of the blade 10 is opposite to the lower pliers body 2, the edge part of the blade 10 is arranged in a leftward inclined mode, the lower pliers body 2 is provided with a yielding groove 11 matched with the edge part of the blade 10, and the lower end of the edge part of the blade 10 is arranged in the yielding groove 11; the upper clamp body 1 is provided with a horizontally arranged sliding rod 12 which can slide along the length direction of the upper clamp body 1, the left end of the sliding rod 12 is connected with a blade 10, the right end of the sliding rod 12 is hinged with the upper end of a supporting rod 9, the sliding rod 12 is sleeved with a spring 13, one end of the spring 13 is connected with the upper clamp body 1, and the other end of the spring 13 is connected with the right end of the sliding rod 12; the upper grab handle 6 is provided with a pressure lever 14 arranged below the upper grab handle 6, the upper end of the pressure lever 14 is connected with the upper grab handle 6, and the lower end of the pressure lever 14 is contacted with the right part of the adjusting arm 8.
Preferably, the hinge portion between the upper handle 6 and the upper arm 4 is provided with a torsion spring, and the torsion spring keeps the upper handle 6 always rotating counterclockwise.
Preferably, the hinge portion between the adjusting arm 8 and the lower arm 3 is provided with a torsion spring, and the torsion spring keeps the adjusting arm 8 always rotating counterclockwise.
Preferably, the hinged part of the sliding rod 12 and the supporting rod 9 is provided with a roller 15, the outer edge surface of the roller 15 is contacted with the lower end surface of the upper arm 4, and the roller 15 can play a good guiding and supporting role when the sliding rod 12 slides on the upper clamp body 1.
Preferably, the lower part of the supporting rod 9 is provided with a sliding block 16, the adjusting arm 8 is provided with a sliding groove 17 matched with the sliding block 16, the sliding block 16 is arranged in the sliding groove 17, and the structure that the supporting rod 9 slides on the adjusting arm 8 along the length direction of the adjusting arm 8 through the sliding block 16 and the sliding groove 17 is formed.
Preferably, the adjusting arm 8 is provided with a positioning bolt 18 corresponding to the lower end of the strut 9, and the positioning control of the strut 9 on the adjusting arm 8 is realized by screwing or unscrewing the positioning bolt 18.
When the clamp is used, the clamp can be selected to be used as a clamp or a pair of scissors according to actual requirements, when the clamp function is required, the clamp is in a state shown in the attached drawing 1, the bolt 18 is screwed, the sliding block 16 is locked and cannot slide in the sliding groove 17, and the relative position between the support rod 9 and the adjusting arm 8 is fixed; rotating the upper grab handle 6 anticlockwise, rotating the limiting bulge 7 along with the rotation and gradually contacting with the upper arm 4, continuously rotating the upper grab handle 6 after the limiting bulge 7 contacts with the upper arm 4, pushing the upper arm 4 by the limiting bulge 7 and simultaneously rotating the upper grab handle 6, so that the lower tong body 2 rotates downwards, simultaneously rotating the lower grab handle 5 clockwise, simultaneously rotating the upper tong body 1 along with the lower grab handle 5 through the lower arm 3, separating the upper tong body 1 and the lower tong body 2 to form a long jaw, moving the invention to a tissue or an article to be clamped and placing the tissue or the article in the jaw, simultaneously rotating the upper grab handle 6 and the lower grab handle 5 to enable the tissue or the article to be clamped and close to each other, and because the hinged part of the upper grab handle 6 and the upper arm 4 is provided with a torsion spring, the torsion of the torsion spring enables the upper arm 4 to simultaneously rotate along with the upper grab handle 6, so that; in the actual use process, can select suitable torsional spring as required in order to guarantee that there is sufficient clamp force to organize or article clamp to the jaw department, still can set up bolt or bolt between upper grab handle 6 and upper arm 4 and fix a position in order to obtain better result of use.
After the clamping is successful, acting force is continuously applied to the upper grab handle 6 and the lower grab handle 5 to enable the upper grab handle 6 and the lower grab handle 5 to be continuously close to each other, after the press rod 14 is contacted with the adjusting arm 8, the slide block 16 is locked by the positioning bolt 18, and the angle between the support rod 9 and the adjusting arm 8 is fixed, so that the support rod 9, the adjusting arm 8 and the slide rod 12 form a triangular structure with constant inner angle and side length, the triangular structure cannot be changed by the extrusion acting force after the contact between the press rod 14 and the adjusting arm 8, the position of the roller 15 is not changed, and the position of the blade 10 is not changed and cutting action.
When the shearing function is needed, the bolt 18 is unscrewed, the sliding block 16 can slide in the sliding groove 17, the jaw is opened according to the operation, the lower clamp body 2 is moved to the position below an article to be sheared, then a certain acting force is applied to the upper grab handle 6 and the lower grab handle 5 to close the jaw, after the jaw is completely closed, the acting force is continuously applied to the upper grab handle 6 and the lower grab handle 5, the pressure rod 14 is in extrusion contact with the adjusting arm 8 and pushes the adjusting arm 8 to rotate clockwise on the lower arm 3, an included angle between the support rod 9 and the adjusting arm 8 is fixed, meanwhile, the length direction of the sliding rod 12 is unchanged, and the length of the support rod 9 is unchanged, so when the adjusting arm 8 rotates, the support rod 9 rotates along with the pressing force, and slides leftwards on the adjusting arm 8 to compensate for the change of the distance between the lower end of the support rod 9 and; the sliding of the rod 9 causes the sliding rod 12 to simultaneously slide to the left and compress the spring 13, thereby causing the blade 10 to slide to the left and cut the article.
After the cutting is finished, reverse acting force is exerted on the upper grab handle 6 and the lower grab handle 5 to enable the upper grab handle and the lower grab handle to be far away from each other, under the combined action of the acting force and the spring 13, the blade 10 slides rightwards and gradually resets, and the support rod 9 also slides to the initial position so as to be used for next cutting.
When the cutting machine is used for cutting, the cutter 10 starts to cut after the jaw clamps an article, so that the article is effectively positioned by the jaw, and the cut after cutting is ensured to be tidy; meanwhile, when the cutter is used for cutting, the lower end of the edge part of the blade 10 is arranged in the abdicating groove 11, so that the edge part is completely contacted with an article, one-time cutting can be ensured to be finished, and the condition that the local part cannot be cut can not be generated; in addition, when the stitches are removed, since the lower clamp body 2 itself has no knife edge, when the lower clamp body 2 is inserted into a portion of the gauze or bandage in contact with the body of the patient, secondary damage such as scratching or pricking does not occur to the body of the patient, and the use safety is improved.
The multifunctional scissors are exquisite in structure and convenient and fast to use, functions of the clamp and the scissors are integrated, and the two functions can be switched by only rotating the bolt; meanwhile, different from the conventional scissors, the shearing operation provided by the invention not only can realize effective positioning during shearing and ensure the orderliness of the cut, but also can effectively avoid secondary damage possibly occurring in the operation process of directly contacting with a patient, such as stitch removal and the like, and greatly improve the use safety; in addition, when the clamp is used as a clamp or a pair of scissors, the clamping and cutting operations are controlled by the grab handle, other control mechanisms are not needed, and the convenience in use is ensured.

Claims (4)

1. A pair of medical scissors convenient to cut comprises an upper forceps body (1), a lower forceps body (2), a lower arm (3) and an upper arm (4), and is characterized in that the upper forceps body (1) is hinged with the right end of the lower forceps body (2), the right end of the upper forceps body (1) is connected with the left end of the lower arm (3), and the right end of the lower forceps body (2) is connected with the left end of the upper arm (4); the right end of the lower arm (3) is provided with a lower grab handle (5), the upper arm (4) is provided with an upper grab handle (6), the left end of the upper grab handle (6) is hinged with the upper arm (4), and the left end of the upper grab handle (6) is provided with a limiting bulge (7); the lower arm (3) is provided with an adjusting arm (8), the left end of the adjusting arm (8) is hinged with the lower arm (3), the right end of the adjusting arm (8) is arranged below the lower arm (3), the adjusting arm (8) is provided with a supporting rod (9) which can slide along the length direction of the adjusting arm (8), and the lower end of the supporting rod (9) is in sliding connection with the adjusting arm (8); the upper pliers body (1) is provided with a blade (10) capable of sliding along the length direction of the upper pliers body (1), the edge part of the blade (10) is opposite to the lower pliers body (2), the edge part of the blade (10) is arranged in a leftward inclined mode, the lower pliers body (2) is provided with a yielding groove (11) matched with the edge part of the blade (10), and the lower end of the edge part of the blade (10) is arranged in the yielding groove (11); a sliding rod (12) capable of sliding along the length direction of the upper clamp body (1) is arranged on the upper clamp body (1), the left end of the sliding rod (12) is connected with a blade (10), the right end of the sliding rod (12) is hinged with the upper end of a supporting rod (9), a spring (13) is sleeved on the sliding rod (12), one end of the spring (13) is connected with the upper clamp body (1), and the other end of the spring (13) is connected with the right end of the sliding rod (12); the upper grab handle (6) is provided with a pressure lever (14) arranged below the upper grab handle (6), the upper end of the pressure lever (14) is connected with the upper grab handle (6), and the lower end of the pressure lever (14) is contacted with the right part of the adjusting arm (8); a sliding block (16) is arranged at the lower part of the supporting rod (9), a sliding groove (17) matched with the sliding block (16) is arranged on the adjusting arm (8), and the sliding block (16) is arranged in the sliding groove (17) to form a structure that the supporting rod (9) slides on the adjusting arm (8) along the length direction of the adjusting arm (8) through the sliding block (16) and the sliding groove (17); the adjusting arm (8) is provided with a positioning bolt (18) corresponding to the lower end of the support rod (9).
2. The medical scissors clamp convenient for cutting according to claim 1, wherein the hinge part of the upper grab handle (6) and the upper arm (4) is provided with a torsion spring.
3. Medical scissors pliers, which are easy to cut, according to claim 1, characterized in that the hinge of the adjusting arm (8) and the lower arm (3) has a torsion spring.
4. The medical scissors clamp convenient for cutting according to claim 1, wherein the hinged part of the sliding rod (12) and the supporting rod (9) is provided with a roller (15), and the outer edge surface of the roller (15) is contacted with the lower end surface of the upper arm (4).
CN201810276239.XA 2018-03-30 2018-03-30 Medical scissors pincers convenient to tailor Expired - Fee Related CN108433785B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810276239.XA CN108433785B (en) 2018-03-30 2018-03-30 Medical scissors pincers convenient to tailor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810276239.XA CN108433785B (en) 2018-03-30 2018-03-30 Medical scissors pincers convenient to tailor

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CN108433785A CN108433785A (en) 2018-08-24
CN108433785B true CN108433785B (en) 2020-03-17

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111296404B (en) * 2020-02-12 2021-08-20 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 Mouse trapper for experiments
CN111329570A (en) * 2020-03-03 2020-06-26 山东大学齐鲁医院(青岛) Bone block resetting and positioning guide pin implanting device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7131970B2 (en) * 2003-11-19 2006-11-07 Sherwood Services Ag Open vessel sealing instrument with cutting mechanism
US8628557B2 (en) * 2011-07-11 2014-01-14 Covidien Lp Surgical forceps
US10335179B2 (en) * 2015-11-24 2019-07-02 Ethicon Llc Surgical device with knife lockout
US20170354433A1 (en) * 2016-06-14 2017-12-14 Next Step Consulting, LLC Device for plantar fascia endoscopy and soft tissue releases
CN107411796A (en) * 2017-05-25 2017-12-01 郑州大学第附属医院 Medical cutting nippers

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Inventor after: Zhou Houmin

Inventor after: Li Tiantian

Inventor after: Wang Yu

Inventor after: Lan Ling

Inventor before: Lan Ling

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Effective date of registration: 20200218

Address after: Donghai Road 266000 Shandong city of Qingdao province No. 5

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Address before: 450015 Unit 8, No. 1 Building, No. 105 Zhonghai Road, Erqi District, Zhengzhou City, Henan Province

Applicant before: Lan Ling

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