CN111513812A - Device for taking out free body - Google Patents

Device for taking out free body Download PDF

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Publication number
CN111513812A
CN111513812A CN202010374047.XA CN202010374047A CN111513812A CN 111513812 A CN111513812 A CN 111513812A CN 202010374047 A CN202010374047 A CN 202010374047A CN 111513812 A CN111513812 A CN 111513812A
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CN
China
Prior art keywords
sliding
net
connecting rod
episome
mesh
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Pending
Application number
CN202010374047.XA
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Chinese (zh)
Inventor
杨润松
邓毅
姜海东
李涛
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ORTHOPEDIC HOSPITAL OF CHONGQING TRADITIONAL CHINESE MEDICINE
Original Assignee
ORTHOPEDIC HOSPITAL OF CHONGQING TRADITIONAL CHINESE MEDICINE
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Application filed by ORTHOPEDIC HOSPITAL OF CHONGQING TRADITIONAL CHINESE MEDICINE filed Critical ORTHOPEDIC HOSPITAL OF CHONGQING TRADITIONAL CHINESE MEDICINE
Priority to CN202010374047.XA priority Critical patent/CN111513812A/en
Publication of CN111513812A publication Critical patent/CN111513812A/en
Pending legal-status Critical Current

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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
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Catching Or Destruction (AREA)

Abstract

The invention discloses a free body taking-out device which comprises a mesh bag, a connecting device and an adjusting handle, wherein the mesh bag comprises a mesh surface and a mesh surface framework, the edge of the mesh surface is connected with the mesh surface framework, the connecting device comprises a guide sleeve and a connecting rod arranged in the guide sleeve in a sliding mode, one end of the connecting rod is connected to the mesh surface framework, the adjusting handle is connected to the connecting rod and used for driving the connecting rod to slide in the guide sleeve, the connecting rod drives the mesh surface framework to slide into or out of the guide sleeve when sliding, so that the mesh opening size of the mesh bag exposed out of the guide sleeve is adjusted, the number of times of catching the free body by using an operation clamp is reduced, the risk of catching and taking out the free body is reduced, and the operation difficulty is reduced.

Description

Device for taking out free body
Technical Field
The invention relates to the field of medical equipment, in particular to a free body taking-out device.
Background
The episome moves in joints, also called as articular rats, in joints such as knee joints or elbow joints, the convex surface of certain pressure epiphyses can be subjected to ischemic necrosis and denudation under the repeated action of external force, and the episome dissociates in the joints, called as exfoliative osteochondritis (articular episome), and in addition, the episome is subjected to synovium metaplasia to form chondrocytes or osteocytes to continue growing. Among the prior art, often adopt the operation clamp to catch the episome body, need catch many times and the operation clamp probably causes the destruction to other tissues when opening and the interlock because the episome body surface is smooth uses the operation clamp to catch to factors such as the episome shape is different, the size is different and its surface is smooth often cause the dropout of episome body in operation clamp centre gripping episome body extraction process, has increased the operation degree of difficulty.
Therefore, in order to solve the above problems, there is a need for an episome extraction device that can reduce the number of times of capturing the episome, reduce the risk of the episome falling off, and reduce the difficulty of the operation.
Disclosure of Invention
In view of this, the present invention is directed to overcome the defects in the prior art, and provides an episome extraction device, which can reduce the number of times of capturing episomes, reduce the risk of episomes falling off, and reduce the difficulty of the operation.
The free body taking-out device comprises a mesh bag, a connecting device and an adjusting handle, wherein the mesh bag comprises a mesh surface and a mesh surface framework, the edge of the mesh surface is connected with the mesh surface framework, the connecting device comprises a guide sleeve and a connecting rod arranged in the guide sleeve in a sliding mode, one end of the connecting rod is connected to the mesh surface framework, the adjusting handle is connected to the connecting rod and used for driving the connecting rod to slide in the guide sleeve, and the connecting rod drives the mesh surface framework to slide into or slide out of the guide sleeve when sliding so as to adjust the mesh opening of the mesh bag exposed out of the guide sleeve.
Furthermore, the adjusting handle comprises a shell and a sliding part arranged on the shell in a sliding manner, the guide sleeve is connected to the shell, a sliding groove is formed in the shell, the sliding part is arranged in the sliding groove, and one end of the connecting rod is connected with the sliding part, so that the sliding part drives the connecting rod to slide in the guide sleeve.
Further, the adjusting handle further comprises a limiting assembly which is arranged on the shell and used for positioning the sliding piece, so that the size of the net opening is kept constant after the size of the net opening of the net bag is adjusted.
Furthermore, the limiting assembly comprises an elastic part, a positioning plate and a baffle plate, the positioning plate and the baffle plate are respectively connected to the shell and the sliding part, and the elastic part has elastic force for pressing the positioning plate on the baffle plate so as to position the positioning plate.
Further, the spout is seted up on the casing along horizontal direction, the slider is including setting up sliding base and the driving piece in the spout, the locating plate is along vertically setting up in the driving piece both sides, the baffle is connected in the spout lateral wall, the baffle is located the locating plate top, sliding base and driving piece pass through the elastic component and connect to make sliding base lower surface support in spout inner chamber lower surface, the locating plate upper surface supports in the baffle lower surface.
Further, the holding tank of placing the elastic component is seted up to the driving piece lower surface, be provided with on the sliding bottom with the boss that holds tank looks adaptation, the boss is located the holding tank, the elastic component is located the holding tank and connects boss and holding tank.
Furthermore, the joint surface of the positioning plate and the baffle is provided with matched anti-skid protrusions.
Further, the net surface edge is sleeved outside the net surface framework, so that the net surface edge is dispersed on the net surface framework when the net surface framework is opened, and the net surface edge is gathered on the net surface framework when the net surface framework is folded, and the size of a net opening of the net bag is adjusted.
Furthermore, the net surface skeleton is formed by bending a rod body, and two free ends of the rod body are butted and then extend outwards in parallel to form a connecting rod.
Further, the inner surface of the guide sleeve is provided with a slide rail for the connecting rod to slide.
The invention has the beneficial effects that: according to the device for taking out the free objects, disclosed by the invention, the connecting rod is controlled to slide in the guide sleeve through the adjusting handle, the size of the mesh opening of the mesh bag is adjusted by adjusting the opening or closing of the mesh surface framework through the connecting rod, the free objects with different sizes can be conveniently captured, the device can be used for effectively capturing the free objects with smooth and strong surface, high freeness, different shapes and different sizes, the capturing frequency of the free objects by using an operation clamp is reduced, the risks of capturing and taking out the free objects to fall off are reduced, and the operation difficulty is reduced.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the expanded bag frame with the connecting rod in the A-A direction of the invention;
FIG. 3 is a schematic structural view of the A-A direction section connecting rod mesh bag framework of the present invention when folded;
FIG. 4 is a schematic structural view of the guide sleeve 3 of the present invention;
FIG. 5 is a schematic structural view of a cross section taken along the direction B-B of the present invention;
FIG. 6 is a schematic view of the structure of the invention along the direction C-C of the B-B cross section.
Detailed Description
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a schematic view of the structure of the expanded bag frame with the connecting rod in the A-A direction of the invention; FIG. 3 is a schematic structural view of the A-A direction section connecting rod mesh bag framework of the present invention when folded; FIG. 4 is a schematic structural view of the guide sleeve 3 of the present invention; FIG. 5 is a schematic structural view of a cross section taken along the direction B-B of the present invention; fig. 6 is a schematic structural diagram of the direction C-C of the direction B-B cross section of the present invention, in this embodiment, the transverse direction is the length direction of the housing 4, and the longitudinal direction is the width direction of the housing 4. As shown in the figure, the play body remove device in this embodiment includes pocket, connecting device and adjustment handle, the pocket includes pocket 2 and pocket skeleton, 2 edges of pocket are connected with the pocket skeleton, connecting device includes uide bushing 3 and slides and sets up in connecting rod 1 of uide bushing 3 inside, 1 one end of connecting rod is connected on the pocket skeleton, adjustment handle connects and is used for driving the connecting rod to slide in the uide bushing on the connecting rod, drive the pocket skeleton slip in or the roll-off uide bushing and then adjust the pocket net gape size that exposes outside the uide bushing when the connecting rod slides. Mesh 2 is made for the flexible material that has certain deformability, the mesh skeleton is made by the rigid material that has certain support capacity, mesh skeleton roll-off corresponds the pocket net gape and is adjusted to the heavy-calibre by small-bore, and the mesh skeleton opens promptly, and the pocket is the capture of the opening state of being convenient for to the episome this moment, mesh skeleton slips into and corresponds the pocket net gape and is adjusted to the small-bore by the heavy-calibre, and the mesh skeleton draws in promptly, and the pocket is the episome that the closure state will be caught this moment and limits in the pocket, 2 edges of mesh and skeleton connection have reduced unnecessary mesh 2's existence, have improved mesh 2 utilization ratio, have also reduced unnecessary mesh 2 simultaneously to the influence when catching the episome. The net surface framework correspondingly adjusts the size of a net opening of the net bag along with the sliding of the connecting rod 1 in the guide sleeve 3, the edge of the net surface 2 can be fixedly connected with the net surface framework, when the net surface framework is folded, the net bag is pulled into the guide sleeve 3 by the connecting rod 1, the net bag is in a sealed state at the moment, when the net surface framework is unfolded, the net bag pulled into the guide sleeve 3 is pushed out by the connecting rod 1, the net bag is in an open state at the moment, but the adjustment can cause the net surface 2 between the net surface framework and the guide sleeve 3 to be seriously damaged when the net surface 2 is repeatedly unfolded or folded, the net surface 2 needs to be frequently replaced, the utilization rate of the net surface 2 is low, when the net surface framework is unfolded or folded, the net surface framework is easy to be clamped in the guide sleeve 3, and if the net surface 2 is excessively large in the guide sleeve 3, the situations such as tearing of the net surface 2 can affect the capture of the loose objects, in severe cases, the patient can be injured, or if the net surface 2 is partially fixedly connected with the net surface framework, other means for controlling the size of the net opening of the net bag can be also achieved when the connecting rod 1 slides, and the detailed description is omitted. When the loose objects are captured, the net bag in a sealed state extends into a diseased part, the adjusting handle is used for adjusting the connecting rod 1 to slide in the guide sleeve 3, the net surface framework is controlled to be opened to enable the net bag to be in an open state, the loose objects with different sizes in the body of a patient are captured, the adjusting handle is used for adjusting the connecting rod 1 after the capture, the net surface framework is controlled to be folded to enable the net bag to be in the sealed state again, the captured loose objects are sealed in the net bag at the moment, the net bag is pulled out of a diseased part to take out the loose objects in the diseased part, in the process, the net bag extends into and pulls out the diseased part with a small caliber, damage to the diseased part and other peripheral tissues is reduced, the device is convenient for capturing the loose objects with different sizes, the surface smoothness and the freeness are strong, the loose objects with different shapes and sizes are effectively captured, and the number of capture of the loose objects by using surgical clamps is reduced, and reduced the play body and caught the risk that drops and take out the drop, reduced the operation degree of difficulty, uide bushing 3 can set up the complete set tube-shape, also can set up to the spiral form that spirals along certain direction, perhaps design other structures such as broken line form, connecting rod 1 is conformal with uide bushing 3 and is set up in uide bushing 3 inside to make connecting rod 1 can slide in uide bushing 3 and drive the wire side skeleton, adjust the pocket net gape size, no longer give unnecessary details here.
In this embodiment, adjustment handle includes casing 4 and the slider that slides and set up on casing 4, uide bushing 3 is connected on casing 4, spout 15 has been seted up on casing 4, the slider sets up in spout 15, slider is connected to 1 one end of connecting rod to make slider drive connecting rod 1 slide in uide bushing 3. The adjusting handle can also be set into a plug pin and a socket with a plug structure matched with each other, so that the plug pin is connected with one end of the connecting rod 1, the adjusting connecting rod 1 slides in the guide sleeve 3 by adjusting different positions of the plug pin on the socket, or other structures such as an electric push rod are arranged to drive the connecting rod 1 to slide in the guide sleeve 3 so as to adjust the size of the mesh opening of the mesh bag, which is not repeated herein, the adjusting handle formed by the sliding part arranged on the shell 4 and the shell 4 is adopted, the adjustment of the size of the mesh opening of the mesh bag can be achieved only by adjusting the sliding part, the structure is simple, the operation is convenient, the manufacturing cost is low, the sliding groove 15 can be arranged on the surface of the shell 4, or arranged inside the shell 4, the sliding part connected with one end of the connecting rod 1 can be arranged in the sliding groove 15 to drive the connecting rod 1 to slide in the guide, the guide sleeve 3 is glued with the shell 4, and the connection modes such as screw connection, riveting and the like can be adopted, so that the description is omitted.
In this embodiment, the adjustment handle further comprises a limiting assembly installed on the housing and used for positioning the sliding member, so that the size of the net opening is kept constant after the size of the net opening of the net bag is adjusted. Set up spacing subassembly's aim at when adjusting the slider on casing 4, can fix a position slider position to the mesh bag net gape size of better certainty reduces and catches unsuccessfully for the first time, and frequent operation adjustment handle's operating procedure improves the efficiency of catching the free body.
In this embodiment, the position limiting assembly includes an elastic member 10, a positioning plate 7 and a blocking plate 12, the positioning plate 7 and the blocking plate 12 are respectively connected to the housing 4 and the sliding member, and the elastic member 10 has an elastic force that enables the positioning plate 7 to press the blocking plate 12, so as to position the positioning plate 7. The limiting assembly can also be set into a structure matched with a positioning pin and a positioning groove, the positioning groove is a groove which is formed in the shell 4 and is matched with the through holes formed in the shell 4, the position of the sliding piece is positioned by the positioning pin inserted in the positioning groove, the positioning pin and the positioning groove are matched with the prior art, and are not described herein again, or the mesh opening size is kept constant after the mesh opening size of the mesh bag is adjusted by means of component friction positioning, magnetic positioning or other positioning modes, and are not described herein again, the limiting assembly adopting the elastic piece 10, the positioning plate 7 and the baffle plate 12 is simple in structure, convenient to operate and low in manufacturing cost, the positioning plate 7 and the baffle plate 12 are matched with each other in structure, and can be set into a protrusion matched with the positioning plate 7 and the baffle plate 12 at the joint surface of the two, the baffle plate 12 and the positioning plate 7 are also arranged in a mutually embedded structure, and the positioning of the sliding part can be realized, and the description is omitted.
In this embodiment, the sliding groove 15 is opened on the casing 4 along the transverse direction, the sliding part includes a sliding base 8 and a driving part 9 which are arranged in the sliding groove 15, the positioning plate 7 is longitudinally arranged on two sides of the driving part 9, the baffle 12 is connected to the side wall of the sliding groove 15, the baffle 12 is arranged above the positioning plate 7, the sliding base 8 is connected with the driving part 9 through an elastic part 10, so that the lower surface of the sliding base 8 abuts against the lower surface of the inner cavity of the sliding groove 15, and the upper surface of the positioning plate 7 abuts against the lower surface of the baffle 12. The tail part of the sliding chute 15 is provided with a plug 11 for sealing, the tail part of the sliding chute 15 is one end of the shell 4 which is far away from the mesh bag transversely, the plug 11 is detachably connected with the shell 4 and is provided with the sliding chute 15 with an opening at the tail part and the plug 11 for detachably sealing the sliding chute 15, so that the installation of internal components of the sliding chute 15 is facilitated, the replacement of the internal components is facilitated, the service life of the device and the utilization rate of parts are greatly improved, the two positioning plates 7 are arranged at two sides of the driving part 9, the two baffle plates 12 are arranged at the side wall of the sliding chute 15 and correspond to the positioning plate 7, so that the baffle plate 12 and the sliding chute 15 are enclosed to form a cavity for accommodating the sliding part, the driving part 9 and the sliding base 8 are arranged in the sliding chute 15 through the elastic part 10, and the elastic part 10 has the elastic force which, the mesh opening size is kept constant after the mesh opening size of the mesh bag is adjusted, when the upper surface of the positioning plate 7 and the lower surface of the baffle plate 12 are far away from each other, the driving piece 9 can drive the sliding base 8 to slide in the sliding groove 15, so that the sliding piece can slide on the shell 4 to adjust the mesh opening size of the mesh bag along the transverse direction, when the positioning plate 7 and the baffle plate 12 are far away from each other, the sliding piece can slide on the shell 4, so that the sliding piece has good controllability, when the positioning plate 7 and the baffle plate 12 are close to each other, the sliding piece is fixed on the shell 4, so that the sliding piece has good positioning effect, the service performance of the adjusting handle is improved, the flexible control of the adjusting handle is convenient, one end of the connecting rod 1 is connected to the sliding base 8, the connection is cemented, and other connection modes such as threaded connection or, the sliding base 8 is provided with a cementing groove which enables one end of the connecting rod 1 to be inserted into the sliding base 8, so that the stable connection between one end of the connecting rod 1 and the sliding base 8 is further improved, the situations that the operability of the device is affected by falling and shaking of the connecting rod 1 when the adjusting handle is used are reduced, the positioning plate 7 and the driving piece 9 are integrally formed, the positioning plate 7 can be arranged on the driving piece 9 in a cementing or screw connection mode, and the like, and the description is omitted, the shell 4 and the baffle 12 are integrally formed, and the baffle 12 can be arranged on the shell 4 in a cementing or screw connection mode, and the description is omitted, the driving piece 9 is positioned at the opening of the sliding groove 15 and extends towards the opening of the sliding groove 15, the driving piece protrusion protrudes out of the shell 4, and the driving piece protrusion is of a columnar structure with a, the operation of the driving member 9 by an operator is facilitated.
In this embodiment, the holding tank of placing elastic component 10 is seted up to driving piece 9 lower surface, be provided with on the sliding bottom 8 with the boss 6 that holds groove looks adaptation, boss 6 is located the holding tank, elastic component 10 is located the holding tank and connects boss 6 and holding tank. The elastic element 10 can also be directly arranged between the driving element 9 and the sliding base 8, but the connection mode easily causes the elastic element 10 to be separated from the driving element 9 and the sliding base 8, or the phenomenon that the elastic element 10 slips when the driving element 9 drives the sliding base 8 occurs, which affects the manufacturability of the device, affects the capture of the free body, seriously affects the normal use of the device or damages the affected part of a patient, and brings unnecessary trouble, the holding tank plays a role in limiting the elastic element 10, the boss 6 presses the elastic element 10 in the holding tank, so that the elastic element 10 is further stably arranged between the driving element 9 and the sliding base 8, the operability of the device is improved, the risk during operation is reduced, the capture efficiency of the free body is improved, the situation that the elastic element 10 fails when the sliding element is used is reduced, and the failure of the elastic element 10 comprises the elastic element 10 being separated from the driving element 9 and the sliding base 8, The elastic member 10 slips and moves between the driving member 9 and the sliding base 88, and the description thereof is omitted. Sliding base 8 is discoid structure, boss 6 sets up in 8 central points of sliding base and holds groove looks adaptation, sliding base 8 and the preparation of 6 integrated into one piece of boss, certainly boss 6 can also set up on sliding base 8 in modes such as gluing or screw connection, no longer gives unnecessary details here, elastic component 10 is the spring, has certain deformation effect and elastic force, and can realize the nimble use to the slider, elastic component 10 still can be for having materials such as the rubber of certain deformation effect and elastic force or other elastic component, no longer gives unnecessary details here.
In this embodiment, a joint surface of the positioning plate 7 and the baffle 12 is provided with a matched anti-slip protrusion. The upper surface of the positioning plate 7 and the lower surface of the baffle plate 12 are both provided with positioning teeth 13 which are matched with each other, so that the lower surface of the sliding base 8 is abutted against the bottom surface of the sliding groove 15 when the upper surface of the positioning plate 7 is abutted against the lower surface of the baffle plate 12, the sliding part is positioned, the mesh opening size of the mesh bag is maintained, the positioning teeth 13 are tooth-shaped protruding structures which extend out of the contact surface between the baffle plate 12 and the positioning plate 7, the tooth-shaped protruding structures are meshed with each other, the accurate control of the mesh opening size of the mesh bag is realized, the stability of the sliding part in the fixing process is further improved, the phenomenon that the mesh opening size of the mesh bag is changed due to the operation failure of the sliding part or the mesh opening size of the mesh bag cannot be fixed is reduced, the capturing and taking out of the free body by medical personnel are facilitated, so as to further precisely position the sliding member slidably disposed on the housing 4, which will not be described in detail herein.
In this embodiment, the edge of the mesh surface 2 is sleeved on the mesh surface framework, so that the edge of the mesh surface 2 is dispersed on the mesh surface framework when the mesh surface framework is opened, and the edge of the mesh surface 2 is gathered on the mesh surface framework when the mesh surface framework is closed, thereby adjusting the size of the mesh opening of the mesh bag. The edge of the net surface 2 is connected with the guide sleeve 3 through two lantern rings 5, of course, the connection modes such as gluing, riveting and the like can also be adopted, the edge of the net surface 2 is sleeved on the net surface framework and is fixedly connected with one end of the guide sleeve 3, so that the edge of the net surface 2 is in sliding connection with the net surface framework, when the net surface framework is folded, the connecting rod 1 pulls the net surface framework into the guide sleeve 3, the edge of the net surface 2 externally sleeved on the net surface framework is folded on the net surface framework, at the moment, the net bag is in a sealing state, when the net surface framework is opened, the connecting rod 1 pushes out the net surface framework pulled into the guide sleeve 3, the edge of the net surface 2 externally sleeved on the net surface framework is dispersed on the net surface framework, and the net bag is in an open state at the moment, so that the utilization rate of the net surface 2 is improved, and the conditions that the net surface 2 is torn, the net surface 2 and the guide sleeve 3 are affected and the like can not be generated, and the capture efficiency of the free body is improved.
In this embodiment, the mesh skeleton is formed by bending a rod body, and the two free ends of the rod body are butted and then extend outwards in parallel to form the connecting rod 1. The net surface skeleton is a closed ring-shaped structure formed by bending a rod body to form a contour, the outward extension is that the outward extension is far away from the ring-shaped structure and extends towards the direction of the shell 4, namely the connecting rods 1 are two and two connecting rods 1 and simultaneously adjust the net surface skeleton, the connecting rods 1 are arranged in parallel along the longitudinal direction inside the guide sleeve 3, and compared with the stable structure of the single connecting rod 1The quality is improved, when the net surface framework is adjusted to be opened or closed by a single connecting rod 1 structure, the advance failure of the net surface framework caused by frequent bending at one side of the net surface framework is inevitably caused, the service life of the net surface framework is influenced, the problems are solved by respectively connecting two connecting rods 1 to two free ends of a rod body, the net surface framework can be opened or closed simultaneously, the net opening of the net bag is round when adjusted, the free body is convenient to capture, the net surface framework and the connecting rods 1 are both made of steel wires with the diameter not more than 0.7cm, preferably 0.5cm, the service strength and the service life of the connecting rods 1 and the net surface framework are ensured under the condition of ensuring the yield strength, the net surface framework and the rod body can also be made of plastics or other materials, and are not repeated here, the net surface framework and the connecting rods 1 are integrally formed, a rod body which is connected with the sliding base 8, extends through the edges of the guide sleeve 3 and the net surface 2 and roundly bypasses the edge of the guide sleeve 3 and is connected with the sliding base 8 again is formed, of course, the net surface framework can be connected by gluing, screw connection and other modes, the description is omitted, the net surface 2 is made of nylon materials, the aperture of the net grid on the net surface 2 is not more than 0.25cm2Preferably 0.01cm2The maximum opening diameter of the mesh opening of the mesh bag is 2.0cm, preferably 2.0cm, when the mesh surface framework is folded, the distance from the mesh surface framework to the lowest point of the mesh surface 2 is not more than 2.0cm, preferably 2.0cm, the mesh bag is designed according to the specification so as to meet the requirement of quickly and accurately capturing the free body under general conditions, of course, the mesh bag can select the mesh diameter size of the mesh surface 2 and the mesh opening diameter size of the mesh bag according to actual conditions, the connecting rod 1 can also control the opening size of the mesh opening of the mesh bag and the height from the mesh surface framework to the lowest point of the mesh surface 2 according to actual conditions, the mesh surface 2 can also be made of plastics or other materials, and the description is omitted.
In this embodiment, the inner surface of the guide sleeve 3 is provided with a slide rail for the sliding of the connecting rod 1, the slide rail is a protrusion 16 adapted to the outer surface of the connecting rod 1, when the connecting rod 1 slides in the guide sleeve 3, the connecting rod 1 can move with a small friction force in the guide sleeve 3, the small friction force can cause the connecting rod 1 to move too fast in the guide sleeve 3, thereby being not beneficial to the controllable adjustment of the mesh opening size of the mesh bag when a user operates the device, in order to improve the good operation performance of the connecting rod 1 when sliding in the guide sleeve 3, the device adds the protrusion 16 on the inner surface of the guide sleeve 3 to increase the friction force between the inner surface of the guide sleeve 3 and the outer surface of the connecting rod 1, thereby reducing the phenomenon that the connecting rod 1 slides too fast in the guide sleeve 3, playing the role of controllable adjustment of the sliding speed of the connecting rod 1, and further improving the accurate control, the bulges 16 are uniformly arranged on the inner surface of the guide sleeve 3, a gap which is convenient for the connecting rod 1 to slide is formed between the adjacent bulges 16, the situation that the connecting rod 1 is difficult to slide due to the excessive bulges 16 is avoided, the bulges 16 and the guide sleeve 3 are integrally formed and are made of rubber materials, and can also be made of materials such as plastics, and the like, and the description is omitted.
In this embodiment, the side wall of the sliding slot 15 protrudes into the slot along the longitudinal direction to form a guide table 14, the driving element 9 and the sliding base 8 are both disposed between the guide tables 14, one side of the guide table 14 close to the side of the driving element 9 is adapted to the side of the driving element 9 and the sliding base 8 with a certain gap left therebetween, so that the guide table 14 has a function of guiding the driving element 9 and the sliding base 8 along the transverse direction, and simultaneously limits the driving element 9 and the sliding base 8 along the longitudinal direction, one side of the guide table 14 close to the sliding base 8 is adapted to the upper surface of the sliding base 8 with a certain gap left therebetween, and limits the sliding base 8 along the height direction, so that the sliding base 8 moves along a predetermined track, thereby further improving the safety performance of the device, when the positioning plate 7 and the baffle plate 12 are far away from each other, one side of the guide table 14 close to the positioning plate 7 can serve as, the guide table 14 is close to the driving piece 9 side and can also guide the driving piece 9 along the height direction, so that the stability of the sliding piece along the transverse movement is further improved, the safety of the device is improved, the situation that the sliding piece shakes and slides unstably and the like during use is reduced by the guide table 14, and the use of the device is not described any more.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (10)

1. The utility model provides a free body remove device which characterized in that: including pocket, connecting device and adjustment handle, the pocket includes pocket and pocket skeleton, the pocket edge is connected with the pocket skeleton, connecting device includes the uide bushing and slides and set up in the inside connecting rod of uide bushing, connecting rod one end is connected on the pocket skeleton, adjustment handle is connected and is used for driving the connecting rod on the connecting rod and slide in the uide bushing, drive the pocket skeleton when the connecting rod slides and slide in or the roll-off uide bushing and then adjust and expose in the pocket net gape size outside the uide bushing.
2. The episome extraction device of claim 1, wherein: the adjusting handle comprises a shell and a sliding part arranged on the shell in a sliding mode, the guide sleeve is connected to the shell, a sliding groove is formed in the shell, the sliding part is arranged in the sliding groove, and one end of the connecting rod is connected with the sliding part, so that the sliding part drives the connecting rod to slide in the guide sleeve.
3. The episome extraction device of claim 2, wherein: the adjusting handle further comprises a limiting assembly which is arranged on the shell and used for positioning the sliding piece, so that the size of the net opening is kept constant after the size of the net opening of the net bag is adjusted.
4. The episome extraction device of claim 3, wherein: the limiting assembly comprises an elastic piece, a positioning plate and a baffle plate, the positioning plate and the baffle plate are connected to the shell and the sliding piece respectively, and the elastic piece has elastic force enabling the positioning plate to be pressed on the baffle plate so as to position the positioning plate.
5. The episome extraction device of claim 4, wherein: the sliding groove is arranged on the shell along the transverse direction, the sliding part comprises a sliding base and a driving part, the sliding base and the driving part are arranged in the sliding groove, the positioning plate is longitudinally arranged on two sides of the driving part, the baffle is connected to the side wall of the sliding groove, the baffle is located above the positioning plate, the sliding base is connected with the driving part through an elastic part, so that the lower surface of the sliding base supports against the lower surface of the inner cavity of the sliding groove, and the upper surface of the positioning plate supports against the lower.
6. The episome extraction device of claim 5, wherein: the holding tank of placing the elastic component is seted up to the driving piece lower surface, be provided with on the sliding bottom and hold the boss of groove looks adaptation, the boss is located the holding tank, the elastic component is located the holding tank and connects boss and holding tank.
7. The episome extraction device of claim 5, wherein: and the joint surface of the positioning plate and the baffle is provided with matched anti-skid protrusions.
8. The episome extraction device of claim 1, wherein: the net surface edge is sleeved outside the net surface framework, so that the net surface edge is dispersed on the net surface framework when the net surface framework is opened, and the net surface edge is gathered on the net surface framework when the net surface framework is folded, and the size of a net opening of the net bag is adjusted.
9. The episome extraction device of claim 8, wherein: the net surface framework is formed by bending a rod body, and two free ends of the rod body are butted and then extend outwards in parallel to form a connecting rod.
10. The episome extraction device of claim 9, wherein: the inner surface of the guide sleeve is provided with a sliding rail for the connecting rod to slide.
CN202010374047.XA 2020-05-06 2020-05-06 Device for taking out free body Pending CN111513812A (en)

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Publication number Priority date Publication date Assignee Title
US5490859A (en) * 1992-11-13 1996-02-13 Scimed Life Systems, Inc. Expandable intravascular occlusion material removal devices and methods of use
US5741271A (en) * 1991-11-05 1998-04-21 Nakao; Naomi L. Surgical retrieval assembly and associated method
US5782840A (en) * 1997-02-14 1998-07-21 Wilk & Nakao Medical Technology, Inc. Snare cauterization surgical instrument assembly and method of manufacture
US20070016225A1 (en) * 2005-07-15 2007-01-18 Nakao Naomi L Endoscope retrieval instrument assembly
CN102056554A (en) * 2008-06-09 2011-05-11 百乐仕医疗器械有限公司 Medical treatment tool for tubular organs
CN209474727U (en) * 2018-12-10 2019-10-11 谢慧琴 A kind of portable calculus collector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5741271A (en) * 1991-11-05 1998-04-21 Nakao; Naomi L. Surgical retrieval assembly and associated method
US5490859A (en) * 1992-11-13 1996-02-13 Scimed Life Systems, Inc. Expandable intravascular occlusion material removal devices and methods of use
US5782840A (en) * 1997-02-14 1998-07-21 Wilk & Nakao Medical Technology, Inc. Snare cauterization surgical instrument assembly and method of manufacture
US20070016225A1 (en) * 2005-07-15 2007-01-18 Nakao Naomi L Endoscope retrieval instrument assembly
CN102056554A (en) * 2008-06-09 2011-05-11 百乐仕医疗器械有限公司 Medical treatment tool for tubular organs
CN209474727U (en) * 2018-12-10 2019-10-11 谢慧琴 A kind of portable calculus collector

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