CN113876408A - Endoscope foreign matter scissors - Google Patents
Endoscope foreign matter scissors Download PDFInfo
- Publication number
- CN113876408A CN113876408A CN202111195815.6A CN202111195815A CN113876408A CN 113876408 A CN113876408 A CN 113876408A CN 202111195815 A CN202111195815 A CN 202111195815A CN 113876408 A CN113876408 A CN 113876408A
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- rear end
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- 229910000831 Steel Inorganic materials 0.000 claims description 37
- 239000010959 steel Substances 0.000 claims description 37
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 2
- 210000003238 esophagus Anatomy 0.000 description 4
- 235000010585 Ammi visnaga Nutrition 0.000 description 1
- 244000153158 Ammi visnaga Species 0.000 description 1
- 210000002376 aorta thoracic Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001574 biopsy Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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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
- A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
-
- 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
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
-
- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses endoscopic foreign matter scissors which comprise an outer sleeve, wherein a scissor head is arranged at the front end of the outer sleeve, the scissor head is in an open first state and a closed second state, a hollow screw capable of advancing and retreating is arranged in the outer sleeve, a control piece enabling the hollow screw to advance and retreat freely or spirally advance and retreat is fixed at the rear end of the outer sleeve, the rear end of the hollow screw penetrates through the outside of the rear end of the control piece and is fixed with a first operating handle, a sleeve body capable of being moved forward and backward by the hollow screw in a linkage manner is fixed at the front end of the hollow screw, the sleeve body is sleeved on the scissor head when the hollow screw advances, so that the scissor head is in the closed second state, and the sleeve body releases the scissor head when the hollow screw retreats, so that the scissor head is in the open first state. The endoscope foreign body scissors are convenient for taking out foreign bodies in a mode of cutting off the foreign bodies, and the risk of taking out sharp foreign bodies is greatly reduced.
Description
Technical Field
The invention relates to the field of medical supplies, in particular to endoscopic foreign body scissors.
Background
Foreign bodies in the esophagus are common clinically, and the foreign bodies are usually taken out by using a foreign body forceps or a snare. However, there is a problem in that many sharp foreign objects, such as bones or toothpicks, cross the lumen of the esophagus adjacent to the aortic arch, etc., and there is a risk of taking out the sharp foreign objects directly with a foreign object forceps or snare. Therefore, it is desirable to design an endoscopic foreign body scissors to improve the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to provide endoscopic foreign body scissors which are convenient to take out foreign bodies in a mode of cutting the foreign bodies, and the risk of taking out sharp foreign bodies is greatly reduced.
In order to achieve the purpose, the invention provides endoscopic foreign matter scissors, which comprise an outer sleeve, wherein a scissors head is arranged at the front end of the outer sleeve, the scissors head has an open first state and a closed second state, a hollow screw rod capable of advancing and retreating is arranged in the outer sleeve, a control piece capable of enabling the screw rod to advance and retreat freely or spirally advance and retreat is fixed at the rear end of the outer sleeve, a bearing is fixed at the outer wall of the control piece close to the rear end, an annular buckle groove is sunken on the outer surface of the outer ring of the bearing, the rear end of the hollow screw rod penetrates through the outside of the rear end of the control piece and is fixed with an operating handle I, a sleeve body capable of being linked and advanced and retreated by the hollow screw rod is fixed at the front end of the hollow screw rod, the sleeve body is sleeved on the scissors head to enable the scissors head to be in the closed second state when the hollow screw rod advances, the sleeve body releases the scissors head to enable the scissors head to be in the open first state when the hollow screw rod retreats, a steel wire is arranged in the hollow screw rod, and the front end of the sleeve body extends out of the front end and is hinged with the scissors head, the rear end of the steel wire penetrates through the rear end of the first operating handle and extends out of the rear end of the first operating handle, the second operating handle is sleeved with the second operating handle, and the second operating handle is connected with the bearing through a buckling piece which is buckled and fixed at the annular buckling groove.
As a further improvement of the invention, the scissor head comprises a blade and a blade holder, a first spring which enables the blade and the blade holder to be in an open first state is fixed between the blade and the blade holder, the rear ends of the blade and the blade holder are positioned in the front end of the outer sleeve and are mutually crossed, a hinging shaft is arranged at the crossed position, two mounting arms are fixed at the front end of the steel wire, the rear end of the scissor head is positioned between the two mounting arms, the hinging shaft is hinged with the two mounting arms, and the distance between the two mounting arms is smaller than the distance between the rear ends of the blade and the blade holder when the scissor head is in the open state.
As a further improvement of the present invention, a first groove is formed on the surface of the blade holder facing the blade, the first groove is arranged in the front-back direction and penetrates through the front end and the back end of the blade holder, the blade includes a blade part located at the front section and a main body part located at the back section, a second groove is formed on the surface of the main body part facing the blade holder, the second groove is arranged in the front-back direction and penetrates through the back end of the main body part, the main body part is located in the first groove and is hinged to the blade holder through the hinge shaft, a first spring is located on the front side of the hinge shaft, two ends of the first spring are respectively located in the first groove and the second groove and are fixedly connected to the main body part and the blade holder, the positions corresponding to the blade part and the blade holder extend oppositely to form a protrusion, and the middle parts of the protrusions on the blade part and the blade holder are both recessed to form a third groove.
As a further improvement of the invention, the sleeve body is a conical sleeve, and the diameter of the front end of the conical sleeve is smaller than that of the rear end of the conical sleeve.
As a further improvement of the invention, the control piece comprises a shell, the rear end of an outer sleeve is fixedly connected with the front end of the shell, an engaging structure which is engaged with a screw rod to lead the screw rod to advance and retreat is arranged in the shell, a pressing handle which leads the engaging structure to be disengaged from the screw rod to lead the screw rod to advance and retreat is arranged outside the shell, an inner ring of a bearing is fixed outside the outer wall of the shell near the rear end, a containing cavity is arranged in the shell and penetrates through one side surface of the shell, channels which penetrate through the front end and the rear end of the shell are arranged on the front side and the rear side of the containing cavity in the shell, the engaging structure is a local thread structure formed on the inner wall of the channel, a separating part is contained in the containing cavity, the screw rod penetrates through the channel and the separating part, one side of the separating part extends out of the side surface of the shell and is connected with the pressing handle, a spring II is fixedly connected between the other side of the separating part and the cavity bottom of the containing cavity, and the separating part leads the screw rod to be disengaged from the engaging structure by the operation of the pressing handle, the inner wall of passageway divide into semicircle screw thread wall and semicircle smooth wall, and semicircle screw thread wall does local helicitic texture, separation portion include two parallel and looks spaced boards, and the one end of two boards is passed through connecting portion and is linked to each other, and the other end of two boards is connected with pressing the handle perpendicularly, fixed connection between one side of connecting portion and the chamber end that holds the chamber spring two, the screw rod pass between two boards and hug closely with the opposite side of connecting portion.
As a further improvement of the invention, the outer surface of the housing has a non-slip structure.
As a further improvement of the invention, the steel wire is in a cross structure, and a cross positioning groove matched with the steel wire in the cross structure is arranged in the second operating handle.
As a further improvement of the invention, the rear end of the steel wire penetrates out of the rear end of the second operating handle, and the rear end of the steel wire is sleeved with a protective sleeve.
As a further improvement of the invention, the rear end surface of the second operating handle is recessed at the periphery of the cross-shaped positioning groove to form a clamping groove, and the front end of the protective sleeve is detachably clamped in the clamping groove.
As a further improvement of the invention, the fastener comprises two arc-shaped hook arms, the two arc-shaped hook arms are symmetrically distributed on two sides of the first operating handle, an operating space is formed between the two arc-shaped hook arms and the first operating handle, one end of each arc-shaped hook arm is a hook end, the other end of each arc-shaped hook arm is a hinged end, the hook ends of the two arc-shaped hook arms are hooked and buckled in the annular buckle groove, the hinged ends of the two arc-shaped hook arms are hinged to the lock buckle, the lock buckle is fixed on the outer surface of the second operating handle, and the surface of the second operating handle, which is in contact with the lock buckle, is a plane.
Compared with the prior art, the endoscopic foreign body scissors have the following beneficial effects:
(1) the mode of cutting off the foreign matters under the endoscope through the foreign matters is convenient for taking out the foreign matters, and the risk of taking out sharp foreign matters is greatly reduced.
(2) The control piece is used for controlling the free advance and retreat or the spiral advance and retreat of the hollow screw rod, the free advance and retreat of the hollow screw rod is convenient for controlling the scissor head to enable the scissor head to be quickly opened and closed, and the spiral advance and retreat of the hollow screw rod is convenient for positioning the scissor head and controlling the scissor head to enable the scissor head to smoothly and effectively clamp and shear foreign matters.
(3) Adopt the steel wire to connect the scissors head to operating handle two is connected to the steel wire rear end, thereby can control the scissors head through operating handle two and rotate so that clip the foreign matter smoothly.
(4) The blade part and the cutter holder adopt a protrusion structure and a groove structure, so that foreign matters can be clamped and sheared conveniently.
(5) The conical sleeve is convenient for realizing the opening and closing actions of the scissor head.
(6) The bearing and the annular buckling groove facilitate the buckling piece to do circular motion around the control key, so that the second operating handle can smoothly rotate.
(7) The steel wire of cross structure and the design of cross constant head tank for operating handle two is convenient for the dismouting and drives the steel wire smoothly and rotate.
(8) The protective sheath is convenient for protect the steel wire, prevents that the steel wire from stabbing operating personnel.
The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings, which illustrate embodiments of the invention.
Drawings
Fig. 1 is a schematic view of endoscopic foreign body scissors.
Fig. 2 is a schematic view of the glove body.
Fig. 3 is a schematic view of the control member.
Fig. 4 is a schematic view of a scissor head.
Fig. 5 is a schematic view of a blade.
Fig. 6 is a schematic cross-sectional view of a steel wire.
Fig. 7 is a schematic view of the second operating handle.
Fig. 8 is a schematic view of the latch.
The reference numbers illustrate: the scissors comprise an outer sleeve 1, a scissors head 2, a hinge shaft 2a, a blade 21, a blade part 211, a main body part 212, a groove II 2121, a knife holder 22, a groove I221, a protrusion A, a groove III b, an operation space c, a spring I23, a hollow screw rod 3, an operation handle I31, a sleeve body 32, a sliding groove 321, a control part 4, a shell 41, an anti-skidding structure 411, a bearing 412, an annular buckling groove 413, a pressing handle 42, an accommodating cavity 43, a channel 44, a semicircular thread wall 441, a semicircular smooth wall 442, a separating part 45, a plate part 451, a connecting part 452, a spring II 46, a steel wire 5, an installation arm 51, an operation handle II 6, a cross positioning groove 61, a clamping groove 62, a buckling part 7, an arc-shaped hook arm 71, a lock catch 72 and a protective sleeve 8.
Detailed Description
Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements.
Referring to fig. 1-8, the endoscopic foreign body scissors comprise an outer sheath 1, wherein the outer sheath 1 is a long tube made of medical plastic material.
The front end of the outer sleeve 1 is hinged with a scissor head 2, and the scissor head 2 has a first open state and a second closed state. The scissor head 2 comprises a blade 21 and a knife seat 22, the rear ends of the blade 21 and the knife seat 22 are positioned in the front end of the outer sleeve 1 and are mutually crossed, a hinge shaft 2a is arranged at the crossed position, and a spring 23 which enables the blade 21 and the knife seat 22 to be in a first open state is fixed between the blade 21 and the knife seat 22. The surface of the tool holder 22 facing the insert 21 is provided with a first groove 221 which is arranged along the front-back direction and penetrates through the front end and the back end of the tool holder 22. The blade 21 comprises a blade part 211 at the front section and a body part 212 at the rear section, the surface of the body part 212 facing the tool apron 22 is provided with a groove two 2121 which is arranged along the front-rear direction and penetrates through the rear end of the body part 212, the body part 212 is positioned in the groove one 221 and is hinged with the tool apron 22 through the hinge shaft 2a, the spring one 23 is positioned at the front side of the hinge shaft, and two ends of the spring one 23 are respectively positioned in the groove one 221 and the groove two 2121 and are fixedly connected with the body part 212 and the tool apron 22. The corresponding positions of the blade part 211 and the cutter holder 22 extend oppositely to form a protrusion a, and the middle parts of the protrusions a on the blade part 211 and the cutter holder 22 are both sunken to form a groove three b.
The outer sleeve 1 is internally provided with a hollow screw 3 capable of moving forward and backward, the rear end of the outer sleeve 1 is fixedly provided with a control piece 4 enabling the hollow screw 3 to freely move forward and backward or spirally move forward and backward, and the rear end of the hollow screw 3 penetrates through the rear end of the control piece 4 and is fixedly provided with an operating handle I31. A sleeve body 32 which can be moved forward and backward by the hollow screw 3 is fixed at the front end of the hollow screw 3, the sleeve body 32 is sleeved on the scissor head 2 when the hollow screw 3 moves forward to enable the scissor head 2 to be in a closed second state, and the sleeve body 32 releases the scissor head 2 when the hollow screw 3 moves backward to enable the scissor head 2 to be in an open first state. The sleeve body 32 is a conical sleeve, and the diameter of the front end of the conical sleeve is smaller than that of the rear end of the conical sleeve.
The control member 4 comprises a casing 41, and the outer surface of the casing 41 is provided with an anti-slip structure 411 for anti-slip. A bearing 412 is fixed on the outer wall of the shell 41 near the rear end, the inner ring of the bearing 412 is fixed with the shell 41, the outer surface of the outer ring of the bearing 412 is sunken to form an annular buckling groove 413, the rear end of the outer sleeve 1 is fixedly connected with the front end of the shell 41, a meshing structure which is meshed with the hollow screw 3 to enable the hollow screw 3 to advance and retreat in a spiral mode is arranged in the shell 41, the meshing structure is a partial thread structure formed on the inner wall of the channel, and a pressing handle 42 which is extended into the shell 41 to enable the meshing structure to be disengaged from the hollow screw 3 to enable the hollow screw 3 to advance and retreat freely is arranged outside the shell 41. The housing 41 is provided with a containing cavity 43, the containing cavity 43 penetrates through one side surface of the housing 41, the front side and the rear side of the containing cavity 43 in the housing 41 are provided with a channel 44 penetrating through the front end and the rear end of the housing 41, the inner wall of the channel 44 is divided into a semicircular thread wall 441 and a semicircular smooth wall 442, and the semicircular thread wall 441 is of the partial thread structure. The accommodating cavity 43 accommodates a separating part 45, the hollow screw 3 passes through the channel 44 and the separating part 45, one side of the separating part 45 extends out of the side surface of the shell 41 and is connected with the pressing handle 42, a second spring 46 is fixedly connected between the other side of the separating part 45 and the cavity bottom of the accommodating cavity 43, and the separating part 45 is operated through the pressing handle 42 to disengage the hollow screw 3 from the meshing structure. The separating part 45 comprises two parallel and spaced plate parts 451, one ends of the two plate parts 451 are connected through a connecting part 452, the other ends of the two plate parts 451 are vertically connected with the pressing handle 42, the second spring 46 is fixedly connected between one side of the connecting part 452 and the bottom of the accommodating cavity 43, and the hollow screw 3 penetrates between the two plate parts 451 and is tightly attached to the other side of the connecting part 452.
There is steel wire 5 in hollow screw 3, the front end of steel wire 5 stretches out the cover body 32 front end and is connected with scissors head 2 is articulated outward, the rear end of steel wire 5 runs through the rear end that stretches out operating handle 31 and outer and the cover is equipped with operating handle two 6, operating handle two 6 is fixed in a buckling piece 7 and bearing 412 of annular catching groove 413 department through the lock and links to each other, operating handle two 6 can drive buckling piece 7 through the rotation, the outer lane of bearing 412, scissors head 2 that steel wire 5 and steel wire 5 are connected is together rotatory, in order to adjust scissors head 2's angle, make the foreign matter enter into in scissors head 2 more easily. Two mounting arms 51 are fixed at the front end of the steel wire 5, the rear end of the scissor head 2 is located between the two mounting arms 51, the hinge shaft 2a is hinged to the two mounting arms 51, the distance between the two mounting arms 51 is smaller than the distance between the rear ends of the blade 21 and the blade holder 22 when the scissor head 2 is in an open state, and the scissor head 2 can be effectively prevented from being closed up due to the influence on the sleeve body 32. The steel wire 5 is of a cross structure, a cross positioning groove 61 which is matched with the steel wire of the cross structure is formed in the second operating handle 6, the second operating handle 6 is convenient to detach and install, and the second operating handle 6 can smoothly drive the steel wire 5 to rotate when rotating. The rear end of the steel wire 5 penetrates through the rear end of the second operating handle 6, and the protective sleeve 8 is sleeved at the rear end of the steel wire 5, so that operators are prevented from being hurt by the steel wire 5. The rear end face of the second operating handle 6 is recessed in the periphery of the cross-shaped positioning groove 61 to form a clamping groove 62, and the front end of the protective sleeve 8 is detachably clamped in the clamping groove 62, so that the protective sleeve 8 can be prevented from falling off.
The buckling piece 7 comprises two arc-shaped hook arms 71, the two arc-shaped hook arms 71 are symmetrically distributed on two sides of the first operating handle 31, and an operating space c is arranged between the two arc-shaped hook arms 71 and the first operating handle 31. One end of the arc hook arm 71 is a hook end, the other end is a hinged end, the hook ends of the two arc hook arms 71 are hooked and buckled and fixed in the annular buckle groove 413, when the hook ends of the arc hook arms 71 are hooked and buckled and fixed in the annular buckle groove 413, the arc hook arms 71 can move circularly along with the outer ring of the bearing 412 when the second operating handle 6 rotates, so that the arc hook arms 71 do not need to be separated from the annular buckle groove 413, the operation trouble is reduced, and the steel wire is prevented from moving forwards or backwards when the second operating handle 6 is rotated. The hinged ends of the two arc-shaped hook arms 71 are hinged to the lock catches 72, the lock catches 72 are fixed on the outer surfaces of the second operating handles 6, the surfaces of the second operating handles 6, which are in contact with the lock catches 72, are flat surfaces, and therefore the lock catches 72 can be conveniently installed, and the structure of the lock catches 72 is the same as that of the clamping body disclosed in the stainless steel lock catch for the ship refrigeration equipment, CN 201820692385.6.
When the scissors are used, the pressing handle 42 is pressed, the first operating handle 31 is pushed in advance in the operating space c, the hollow screw 3 in the outer sleeve 1 is enabled to freely advance, the sleeve body 32 is enabled to advance to wrap the scissors head 2, the scissors head 2 is enabled to be in the folded state, the outer sleeve 1 and the scissors head 2 in the folded state are sent into a human esophagus through a biopsy hole of the endoscope, the outer sleeve 1 is enabled to move forwards in the visible state of the endoscope, the scissors head 2 is enabled to approach foreign matters in the esophagus, the pressing handle 42 is still in the pressed state and is not loosened, the first operating handle 31 is pulled backwards in the operating space c, the hollow screw 3 is enabled to freely retreat, the sleeve body 32 is enabled to leave the scissors head 2, the scissors head 2 is enabled to be in the unfolded state, the pressing handle 42 is released, the position of the hollow screw 3 is enabled to be fixed, the second operating handle 6 is rotated, and the second operating handle 6 drives the steel wire 5 and the scissors head 2 to rotate together, the scissor head 2 is rotated to a proper angle, the position of the outer sleeve 1 is adjusted to move forwards, foreign matters enter the groove III b of the knife holder 22 of the scissor head 2, the first operating handle 31 is rotated to enable the hollow screw 3 to advance spirally, the sleeve body 32 is made to advance to extrude the scissor head 2, the blade 21 of the scissor head 2 is made to fold towards the knife holder 22 to cut off the foreign matters in the groove III b, sharp foreign matters can be taken out smoothly, and the risk of taking out the sharp foreign matters is greatly reduced.
The present invention has been described in connection with the preferred embodiments, but the present invention is not limited to the embodiments disclosed above, and is intended to cover various modifications, equivalent combinations, which are made in accordance with the spirit of the present invention.
Claims (10)
1. An endoscopic foreign body scissors comprising: the scissors head is provided with an open first state and a closed second state, a hollow screw rod capable of moving forward and backward is arranged in the outer sleeve, a control piece enabling the screw rod to move forward and backward freely or spirally is fixed at the rear end of the outer sleeve, a bearing is fixed at the position, close to the rear end, of the outer wall of the control piece, an annular buckle groove is formed in the outer surface of the outer ring of the bearing in a concave mode, the rear end of the hollow screw rod penetrates through the outer portion of the rear end of the control piece and is fixed with a first operating handle, a sleeve body capable of being moved forward and backward by the hollow screw rod in a linkage mode is fixed at the front end of the hollow screw rod, the sleeve body is sleeved on the scissors head to enable the scissors head to be in the closed second state when the hollow screw rod moves forward, the sleeve body releases the scissors head to enable the scissors head to be in the open first state when the hollow screw rod moves backward, a steel wire is arranged in the hollow screw rod, the front end of the steel wire extends out of the front end of the sleeve body and is hinged with the scissors head, the rear end of the steel wire penetrates through the outer portion of the rear end of the operating handle and is sleeved with a second operating handle, the second operating handle is connected with the bearing through a buckling piece which is buckled and fixed at the annular buckling groove.
2. An endoscopic foreign body shears according to claim 1, wherein: the scissors head comprises a blade and a cutter holder, a first spring for enabling the blade and the cutter holder to be in an open first state is fixed between the blade and the cutter holder, the rear ends of the blade and the cutter holder are located in the front end of the outer sleeve and are mutually crossed, a hinged shaft is installed at the crossed position, two installation arms are fixed at the front end of a steel wire, the rear end of the scissors head is located between the two installation arms, the hinged shaft is hinged to the two installation arms, and the distance between the two installation arms is smaller than the distance between the rear ends of the blade and the cutter holder when the scissors head is in an open state.
3. An endoscopic foreign body shears according to claim 2, wherein: open on the blade holder towards the surface of blade has and arranges and link up the recess one at blade holder front and back both ends along the fore-and-aft direction, and the blade is including the cutting part that is located the anterior segment and the main part that is located the back end, and the main part is opened towards the surface of blade holder has and arranges and link up the recess two of main part rear end along the fore-and-aft direction, and the main part is located recess one and is connected with the blade holder is articulated, and the spring one is located the front side of articulated shaft and the both ends of spring one are located recess one and recess two respectively and with main part and blade holder fixed connection, and the corresponding position of cutting part and blade holder extends in opposite directions and forms protrudingly, and bellied middle part on cutting part and the blade holder is all sunken to form recess three.
4. An endoscopic foreign body snips according to any one of claims 2 to 3, characterized in that: the sleeve body is a conical sleeve, and the diameter of the front end of the conical sleeve is smaller than that of the rear end of the conical sleeve.
5. An endoscopic foreign body shears according to claim 4, wherein: the control piece comprises a shell, the rear end of an outer sleeve is fixedly connected with the front end of the shell, an engaging structure which is engaged with a screw rod to lead the screw rod to advance and retreat is arranged in the shell, a pressing handle which leads the engaging structure to be disengaged from the screw rod to lead the screw rod to advance and retreat freely is arranged outside the shell, the outer wall of the shell is externally fixed with an inner ring of a bearing near the rear end, a containing cavity is arranged in the shell and penetrates through one side surface of the shell, channels which penetrate through the front end and the rear end of the shell are arranged at the front side and the rear side of the containing cavity in the shell, the engaging structure is a local thread structure formed at the inner wall of the channel, a separating part is arranged in the containing cavity, the screw rod penetrates through the channel and the separating part, one side of the separating part extends out of the side surface of the shell and is connected with the pressing handle, a spring II is fixedly connected between the other side of the separating part and the cavity bottom of the containing cavity, and the separating part leads the screw rod to be disengaged from the engaging structure through the operation of the pressing handle, the inner wall of passageway divide into semicircle screw thread wall and semicircle smooth wall, and semicircle screw thread wall does local helicitic texture, separation portion include two parallel and looks spaced boards, and the one end of two boards is passed through connecting portion and is linked to each other, and the other end of two boards is connected with pressing the handle perpendicularly, fixed connection between one side of connecting portion and the chamber end that holds the chamber spring two, the screw rod pass between two boards and hug closely with the opposite side of connecting portion.
6. An endoscopic foreign body shears according to claim 5, wherein: the outer surface of the shell is provided with an anti-skid structure.
7. An endoscopic foreign body shears according to claim 4, wherein: the steel wire is of a cross structure, and a cross positioning groove matched with the steel wire of the cross structure is formed in the second operating handle.
8. An endoscopic foreign body shears according to claim 7, wherein: the rear end of the steel wire penetrates through the rear end of the second operating handle and extends out of the rear end of the second operating handle, and a protective sleeve is sleeved at the rear end of the steel wire.
9. An endoscopic foreign body shears according to claim 8, wherein: the rear end face of the second operating handle is recessed in the periphery of the cross-shaped positioning groove to form a clamping groove, and the front end of the protective sleeve is detachably clamped in the clamping groove.
10. An endoscopic foreign body shears according to claim 4, wherein: the buckling piece comprises two arc-shaped hook arms, the two arc-shaped hook arms are symmetrically distributed on two sides of the first operating handle, an operating space is formed between the two arc-shaped hook arms and the first operating handle, one end of each arc-shaped hook arm is a hook end, the other end of each arc-shaped hook arm is a hinged end, the hook ends of the two arc-shaped hook arms are hooked and buckled in the annular buckling grooves, the hinged ends of the two arc-shaped hook arms are hinged to the lock buckle, the lock buckle is fixed on the outer surface of the second operating handle, and the plane of the second operating handle and the plane of the lock buckle are in contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111195815.6A CN113876408B (en) | 2021-10-14 | 2021-10-14 | Endoscope foreign matter scissors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111195815.6A CN113876408B (en) | 2021-10-14 | 2021-10-14 | Endoscope foreign matter scissors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113876408A true CN113876408A (en) | 2022-01-04 |
| CN113876408B CN113876408B (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111195815.6A Active CN113876408B (en) | 2021-10-14 | 2021-10-14 | Endoscope foreign matter scissors |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005087227A (en) * | 2003-09-12 | 2005-04-07 | Pentax Corp | Endoscopic forceps |
| CN101530340A (en) * | 2008-02-14 | 2009-09-16 | 伊西康内外科公司 | Interchangeable tools for surgical instruments |
| JP2010136809A (en) * | 2008-12-10 | 2010-06-24 | Fujifilm Corp | Repeating type clip treatment instrument and clip package |
| US20110144678A1 (en) * | 2009-12-15 | 2011-06-16 | Slater Charles R | Endoscopic Scissors Instrument |
| US20160066947A1 (en) * | 2013-04-20 | 2016-03-10 | Apollo Endosurgery, Inc. | Flexible endoscopic torqueable devices |
-
2021
- 2021-10-14 CN CN202111195815.6A patent/CN113876408B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005087227A (en) * | 2003-09-12 | 2005-04-07 | Pentax Corp | Endoscopic forceps |
| CN101530340A (en) * | 2008-02-14 | 2009-09-16 | 伊西康内外科公司 | Interchangeable tools for surgical instruments |
| JP2010136809A (en) * | 2008-12-10 | 2010-06-24 | Fujifilm Corp | Repeating type clip treatment instrument and clip package |
| US20110144678A1 (en) * | 2009-12-15 | 2011-06-16 | Slater Charles R | Endoscopic Scissors Instrument |
| US20160066947A1 (en) * | 2013-04-20 | 2016-03-10 | Apollo Endosurgery, Inc. | Flexible endoscopic torqueable devices |
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| CN113876408B (en) | 2023-10-27 |
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