CN211131285U

CN211131285U - Endoscope fetching device not occupying channel

Info

Publication number: CN211131285U
Application number: CN201920986227.6U
Authority: CN
Inventors: 吴康平; 王锐; 沈冬冬
Original assignee: Zhejiang Langte Medical Technology Co ltd
Current assignee: Zhejiang Langte Medical Technology Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-07-31
Anticipated expiration: 2029-06-27

Abstract

The utility model belongs to the technical field of medical instrument, especially, relate to a do not account for passageway scope load handling device. The utility model discloses, including outer tube and the interior pole of sliding connection in the outer tube, interior pole one end extends to the outer tube to with pull ring fixed connection, the one end fixed connection that interior pole kept away from the pull ring has around the elasticity silk ring of receiving the thing bag sack, interior pole is cavity tubular structure, and the inside operation cavity that has a perfect understanding interior pole both ends still includes one end fixed connection on receiving thing bag sack or elasticity silk ring, and the other end can be connected or the act as go-between of phase separation with interior pole, and the act as go-between runs through the operation cavity. The utility model discloses be equipped with one can with interior pole to being connected or the phase separation act as go-between, can remove the occupation to the operation passageway, and, the utility model discloses be equipped with the locking structure, only need one step operation just can accomplish the switching of acting as go-between from the locking state to the detached state, easy and simple to handle, can carry out effectual protection to acting as go-between simultaneously, make and receive that the thing bag is whole succinct more, pleasing to the eye.

Description

Endoscope fetching device not occupying channel

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a do not account for passageway scope load handling device.

Background

The endoscope fetching device is used as a medical auxiliary facility, can take out a living body sample from the body through the matching with a puncture outfit, and is widely applied to various abdominal cavity operations through the improvement of the technology. The common endoscope fetching device comprises a supporting arm, a containing bag, an outer sleeve and an inner rod, wherein the supporting arm is arranged on the inner rod, is arranged around a bag opening of the containing bag and is integrally contracted in the outer sleeve together with the containing bag, the inner rod is pushed to enable the containing bag to extend out of the outer sleeve when in use, the bag opening is propped open under the action of the supporting arm, after a specimen is placed, the inner rod is pulled to recycle the supporting arm into the outer sleeve, and the bag opening is blocked by the outer sleeve to generate displacement relative to the supporting arm, so that the object of tightening the containing bag is achieved, then, the size of the containing bag is larger than that of a puncture device channel, the containing bag cannot be separated from the puncture device after extending out of the outer sleeve, the containing bag can only be pulled out together with the puncture device after an operation is finished, namely, the puncture device additionally occupies an operation channel, and the access of other operation instruments needs, not only increases the operation of medical staff, but also increases the pain of patients.

For example, the chinese utility model patent discloses an endoscopic surgery object device [ application number: 201721651421.6], the utility model comprises a fetching device main body, a handle, a through hole, a threaded hole, a spring gasket, a fetching rod, a groove, a pipette, a liquid fetching port, a connecting pipe, a hose, a collecting bottle, an exhaust tube, an air pump, a battery box, a movable rod, a pull ring, a wire ring, a collecting bag and a mounting hole, wherein the handle is arranged on one side of the fetching device main body, the through hole is arranged on the upper part and the lower part of the front surface of the handle, the threaded hole is arranged on the side surface of the handle, the spring gasket is arranged in the threaded hole, the fetching rod is arranged in the threaded hole, the groove is arranged on the front surface of the fetching rod, the pipette is bonded in the groove, the liquid fetching port is arranged at one end of the pipette, the connecting pipe is arranged at the other end of the pipette, the hose is sleeved at the, the battery case is installed to air pump one side, it has the movable rod to get inside running through of thing pole, movable rod one end is connected with the pull ring, and the movable rod other end is connected with the silk ring, the silk ring below is connected with collects the bag, the mounting hole has evenly been seted up on collection bag upper portion, the air pump links to each other with the battery case electrical property.

The utility model discloses a have and need not utilize the pipeline to derive the waste liquid, the advantage of easy operation, still do not solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a do not account for scope load handling device in passageway.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a do not account for passageway scope load handling device, includes outer tube and the interior pole of sliding connection in the outer tube, interior pole one end extends to the outer tube to with pull ring fixed connection, the one end fixed connection that interior pole kept away from the pull ring has around the elastic wire ring who receives the thing bag sack, interior pole is cavity tubular structure, and the inside operation cavity that has a perfect understanding interior pole both ends still includes one end fixed connection on receiving thing bag sack or elastic wire ring, and the other end can be connected or the acting as go-between of phase separation with interior pole, it has a perfect understanding the operation cavity to act as go-between.

In the above device for endoscopic fetching articles without occupying the passage, one end of the pull wire far away from the inner rod is encircled through and fixedly connected to the mouth of the accommodating bag; or the pull wire comprises a main wire strip positioned in the operation cavity and a first branch wire strip and a second branch wire strip fixedly connected with the main wire strip, and one ends of the first branch wire strip and the second branch wire strip, which are far away from the main wire strip, are fixedly connected with the two sides of the elastic wire ring respectively.

In the above-mentioned channel-unoccupied internal lens taking device, the locking structure is disposed on the pull ring or the inner rod and can connect or separate the pull wire with the inner rod, and one end of the pull wire, which is far away from the elastic wire loop, is fixedly connected to the locking structure.

In foretell not taking up in passageway scope load handling device, the locking structure is including being located the locking cavity that the stay wire intra-annular and one end and operation cavity are linked together, and the locking ball is located the locking cavity, the one end fixed connection of keeping away from the elasticity silk ring of acting as go-between is on the locking ball, still includes the gliding locking slider of interior pole radial direction that can follow, locking slider sliding connection is on the pull ring, and the sliding lock non-slip piece can make operation cavity and locking cavity communicate each other or mutual isolation.

In the above-mentioned channel-unoccupied endoscope fetching device, the locking slider is provided with a through hole penetrating through the locking slider, the pull wire penetrates through the through hole and is fixedly connected to the locking ball, the maximum width of the through hole is greater than the maximum width of the locking ball, and the maximum width of the operation cavity is greater than the maximum width of the locking ball.

In foretell not take up in passageway scope load handling device, still including the control line that can stimulate and receive the thing bag sack, control line one end is connected on pull ring or interior pole outer wall, and the other end is connected and is received the thing bag sack.

In the above-mentioned channel-unoccupied endoscopic fetching device, a positioning structure is further included, which is disposed on the outer surface of the inner rod and can fix the inner rod and the outer cannula relatively.

In the above-mentioned channel-unoccupied endoscope taking device, the positioning structure includes an annular boss fixedly connected to the inner rod and a positioning handle fixedly connected to the outer sleeve, a positioning table is arranged in the positioning handle, and the inner rod can be slid to press the annular boss on the positioning table.

In foretell not taking up in passageway scope load handling device, annular boss is made by elastic material, and location handle inner wall protrusion has the extrusion platform, the extrusion platform end to end is the annular, around forming the extrusion through-hole, the internal diameter of extrusion through-hole is greater than the external diameter of interior pole and is less than the external diameter of annular boss, extrusion platform, location handle and location platform enclose jointly and close and form the location cavity, and the interior pole of slip can make annular boss be located the location cavity.

In the above device for taking an object inside the non-occupying passage, the length of the positioning cavity in the direction of the inner rod axis is less than or equal to the length of the annular boss in the direction of the inner rod axis.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses be equipped with one can with interior pole to being connected or the phase separation act as go-between, when tightening up and receiving the thing bag sack like this, act as go-between and interior pole be connected in order to realize with interior pole synchronous motion, tighten up and receive the thing bag sack, tighten up the completion back, act as go-between and interior pole phase separation for interior pole and outer tube isotructure can be taken out from the puncture ware, thereby remove to occuping of operation passageway, will act as go-between after the operation and take out with the puncture ware together, accomplish the operation of taking out of receiving the thing bag.

2. The utility model discloses inside the pole including the setting of acting as go-between, both improved the aesthetic measure of device, also can prevent to appear in the use and other object take place the winding to lead to receiving the problem that the thing bag damaged.

3. The utility model discloses being equipped with the locking structure, only needing one step of operation just can accomplish to act as go-between from the locking state to the switching between the detached state, it is easy and simple to handle, can carry out effectual protection to acting as go-between simultaneously, make and receive that the thing bag is whole succinct more, pleasing to the eye.

4. The utility model discloses be equipped with location structure, can carry out the accurate positioning to the gliding distance of interior pole, guarantee to receive the thing bag and be acted as go-between just with interior pole separation after locking completely.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of a portion of the structure of the present invention;

fig. 3 is a sectional view of embodiment 1 of the present invention;

FIG. 4 is an enlarged view at A in FIG. 3;

fig. 5 is a sectional view of embodiment 2 of the present invention;

in the figure: the device comprises an outer sleeve 1, an inner rod 2, a pull ring 3, an elastic wire ring 4, an operation cavity 5, a pull wire 6, a locking structure 7, a positioning structure 8, a main wire 61, a first branch wire 62, a second branch wire 63, a locking cavity 71, a locking ball 72, a locking sliding block 73, a through hole 74, an annular boss 81, a positioning handle 82, a positioning table 83, an extrusion table 84, an extrusion through hole 85 and a positioning cavity 86.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example 1

The embodiment provides an endoscope fetching device without occupying a channel, which is shown in a combined figure 1 and a figure 3 and comprises an outer sleeve 1 and an inner rod 2 connected in the outer sleeve 1 in a sliding manner, wherein one end of the inner rod 2 extends out of the outer sleeve 1 and is fixedly connected with a pull ring 3, one end of the inner rod 2, which is far away from the pull ring 3, is fixedly connected with an elastic wire ring 4 surrounding the bag opening of a containing bag (not shown in the figure), the elastic wire ring 4 can be made of memory alloy, the inner rod 2 is of a hollow cylindrical structure and is internally provided with an operation cavity 5 penetrating through two ends of the inner rod 2, the endoscope fetching device further comprises a pull wire 6, one end of the pull wire 6, which is far away from the inner rod 2, is fixedly connected on the bag opening of the containing bag through the operation cavity 5, and the other end of the pull wire 6, which is far away from the inner rod 2, the utility model discloses to act as go-between 6 sets up inside interior pole 2, has both improved the aesthetic measure of device, also can prevent to appear in the use and take place the winding with other object to lead to receiving the problem that the thing bag damaged.

The utility model discloses, when using, it encircles on elastic wire ring 4 and is compressed in outer sleeve 1 to receive the thing bag sack, acting as go-between 6 wears to encircle and receives in the thing bag sack, elastic wire ring 4 is in the compression state when in outer sleeve 1, slide inner rod 2 makes elastic wire ring 4 slide to the outer sleeve 1 outside, elastic wire ring 4 reconversion at this moment, thus open and receive the thing bag, after accomodating, pulling act as go-between 6 and tightening up and receiving the thing bag sack, after tightening up and completing, act as go-between 6 and inner rod 2 phase separation, can tie up act as go-between 6 at this moment on the puncture ware outer wall, in order to prevent to receive the thing bag and flow away in the patient, so the utility model discloses a act as go-between 6 and inner rod 2 to be connected or phase separation, in order to receive the thing bag sack, act as go-between 6 and 2 and realize with inner rod 2 synchronous motion, tighten up and receive the thing bag, after tightening up and, the structures of the inner rod 2, the outer sleeve 1 and the like can be drawn out from the puncture outfit, so that the occupation of an operation channel is eliminated, and the pull wire 6 and the puncture outfit are drawn out together after the operation is finished, so that the taking-out operation of the object containing bag is completed.

As shown in fig. 3, the pull-type switch also comprises a locking structure 7 which is arranged on the pull ring 3 or the inner rod 2 and can connect or separate the pull wire 6 with the inner rod 2, one end of the pull wire 6, which is far away from the elastic wire ring 4, is fixedly connected on the locking structure 7, and the locking structure 7 is operated to complete the switching of the pull wire 6 from the locking state to the separation state.

Specifically, the locking structure 7 includes a locking cavity 71 located in the pull ring 3 and having one end communicated with the operation cavity 5, a locking ball 72 located in the locking cavity 71, one end of the pull wire 6 away from the elastic wire ring 4 fixedly connected to the locking ball 72, and a locking slider 73 capable of sliding along the radial direction of the inner rod 2, the locking slider 73 slidably connected to the pull ring 3, the sliding locking slider 73 capable of enabling the operation cavity 5 and the locking cavity 71 to be communicated with each other or isolated from each other, the locking slider 73 having a through hole 74 penetrating through the locking slider 73, the pull wire 6 penetrating through the through hole 74 and fixedly connected to the locking ball 72, the maximum width of the through hole 74 being greater than the maximum width of the locking ball 72, and the maximum width of the operation cavity 5 being greater than the maximum width of the locking ball 72.

During the use, slide lock limited slip piece 73 makes locking ball 72 press to be established on locking slider 73, and the 6 of acting as go-between this moment is in the locking state, be connected with interior pole 2 promptly and can with interior pole 2 synchronous motion's state, slide lock limited slip piece 73 makes locking cavity 71 be linked together through-hole 74 and operation cavity 5, and locking ball 72 slides to operation cavity 5 in through-hole 74, and the 6 of acting as go-between this moment is in the separation state, promptly with interior pole 2 phase separation can with interior pole 2 asynchronous motion's state, so the utility model discloses a locking structure 7 only needs one-step operation just can accomplish the switching of acting as go-between 6 from the locking state to the separation state of acting as go-between, and is easy and simple to handle, can carry out effectual protection to the 6 of acting as.

The present invention does not limit the shape of the through-hole 74, and the cross-section of the through-hole 74 may be circular, oval, rectangular, or regular polygonal.

As shown in fig. 3, still including the control line (not drawn in the figure) that can stimulate and receive the thing bag sack, control line one end is connected on pull ring 3 or interior pole 2 outer walls, and the other end is connected and is being received the thing bag sack, and the crooked diversion of thing bag sack can be realized receiving to the pulling control line, is convenient for get the thing at the operation in-process, need not big action angle of adjustment.

As shown in fig. 2 and 3, the outer sleeve structure further includes a positioning structure 8 disposed on the outer surface of the inner rod 2 and capable of fixing the inner rod 2 and the outer sleeve 1 relatively.

Specific speaking, location structure 8 includes annular boss 81 and the fixed connection location handle 82 on outer tube 1 of fixed connection on interior pole 2, be equipped with location platform 83 in the location handle 82, slide interior pole 2 can make annular boss 81 press to establish on location platform 83, and slide locking slider 73 makes the stay wire 6 be in the separation state this moment again, and cooperation between location platform 83 and the annular boss 81 like this can carry out accurate presetting, location to the gliding distance of interior pole 2, guarantees to receive the thing bag and is just separated with interior pole 2 after the complete locking by stay wire 6.

As shown in fig. 4, the annular boss 81 is made of an elastic material, the present invention is not limited to the specific type of the elastic material, and may be rubber or silica gel, as long as it can ensure that the annular boss 81 can deform to a certain extent and recover to the original shape after deformation, the inner wall of the positioning handle 82 protrudes an extrusion table 84, the extrusion table 84 is connected end to form an annular shape surrounding a formation of an extrusion through hole 85, the inner diameter of the extrusion through hole 85 is larger than the outer diameter of the inner rod 2 and smaller than the outer diameter of the annular boss 81, the extrusion table 84, the positioning handle 82 and the positioning table 83 together surround to form a positioning cavity 86, the sliding inner rod 2 can make the annular boss 81 located in the positioning cavity 86, the annular boss 81 passes through the extrusion table 84 after extrusion deformation and slides into the positioning cavity 86, at this time, the annular boss 81 recovers to the original shape, so that the extrusion table 84 can play a reverse limiting role for the annular boss 81, preventing the inner rod 2 from sliding back.

Preferably, the length of the positioning cavity 86 along the axial lead direction of the inner rod 2 is less than or equal to the length of the annular boss 81 along the axial lead direction of the inner rod 2, so that when the annular boss 81 is located in the positioning cavity 86, one end of the annular boss 81 is pressed on the positioning table 83, and the other end is pressed on the extrusion table 84, thereby improving the positioning stability and preventing the relative sliding between the inner rod 2 and the outer sleeve 1.

Example 2

The embodiment is substantially the same as the embodiment 1 in which the endoscopic object-taking device does not occupy the channel, and the difference is in the specific connection mode with the pull wire 6, as shown in fig. 5, the pull wire 6 includes a main wire 61 located in the operation cavity 5 and a first branch wire 62 and a second branch wire 63 fixedly connected with the main wire 61, and one ends of the first branch wire 62 and the second branch wire 63 far away from the main wire 61 are respectively fixedly connected with two sides of the elastic wire loop 4, so that the pull wire 6 can be used to realize the bending and contraction of the elastic wire loop 4, thereby facilitating the object-taking without adjusting the angle by a large action.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms outer sleeve 1, inner rod 2, pull ring 3, elastic wire ring 4, operation cavity 5, pull wire 6, locking structure 7, positioning structure 8, main wire 61, first branch wire 62, second branch wire 63, locking cavity 71, locking ball 72, locking slide 73, through hole 74, annular boss 81, positioning handle 82, positioning table 83, extrusion table 84, extrusion through hole 85, positioning cavity 86, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a do not account for scope load handling device in passageway, includes interior pole (2) of outer tube (1) and sliding connection in outer tube (1), interior pole (2) one end extends to outside outer tube (1) to with pull ring (3) fixed connection, the one end fixed connection that pull ring (3) were kept away from in interior pole (2) has around elasticity silk ring (4) of receiving the thing bag sack, its characterized in that: interior pole (2) are hollow tubular structure, and inside has operation cavity (5) that link up interior pole (2) both ends, still includes one end fixed connection and on receiving thing bag sack or elastic filament ring (4), pull wire (6) that the other end can be connected or the phase separation with interior pole (2), pull wire (6) link up and cross operation cavity (5).

2. The channel-less endoscopic extraction device of claim 1, further comprising: one end of the pull wire (6) far away from the inner rod (2) is encircled through the bag opening of the containing bag and is fixedly connected to the bag opening of the containing bag; or the pull wire (6) comprises a main wire strip (61) positioned in the operation cavity (5) and a first branch wire strip (62) and a second branch wire strip (63) fixedly connected with the main wire strip (61), and one ends, far away from the main wire strip (61), of the first branch wire strip (62) and the second branch wire strip (63) are fixedly connected with the two sides of the elastic wire ring (4) respectively.

3. The channel-less endoscopic extraction device of claim 1, further comprising: the pull wire is characterized by further comprising a locking structure (7) which is arranged on the pull ring (3) or the inner rod (2) and can enable the pull wire (6) to be connected with or separated from the inner rod (2), and one end, far away from the elastic wire ring (4), of the pull wire (6) is fixedly connected onto the locking structure (7).

4. The channel-less endoscopic extraction device of claim 3, further comprising: locking structure (7) are including being located locking cavity (71) that pull ring (3) and one end and operation cavity (5) are linked together, and locking ball (72) are located locking cavity (71), the one end fixed connection that elastic wire ring (4) were kept away from in acting as go-between (6) is on locking ball (72), still includes and can follow the gliding locking slider (73) of interior pole (2) radial direction, locking slider (73) sliding connection is on pull ring (3), and sliding locking slider (73) can make operation cavity (5) and locking cavity (71) communicate each other or mutual isolation.

5. The channel-less endoscopic extraction device of claim 4, further comprising: the locking slide block (73) is provided with a through hole (74) penetrating through the locking slide block (73), the pull wire (6) penetrates through the through hole (74) and is fixedly connected to the locking ball (72), the maximum width of the through hole (74) is larger than that of the locking ball (72), and the maximum width of the operation cavity (5) is larger than that of the locking ball (72).

6. The channel-less endoscopic extraction device of claim 1, further comprising: still including the control line that can stimulate the thing bag sack of receiving, control line one end is connected on pull ring (3) or interior pole (2) outer wall, and the other end is connected and is received the thing bag sack.

7. The channel-less endoscopic extraction device of claim 1, further comprising: the outer sleeve is characterized by further comprising a positioning structure (8) which is arranged on the outer surface of the inner rod (2) and can relatively fix the inner rod (2) and the outer sleeve (1).

8. The channel-less endoscopic extraction device of claim 7, further comprising: location structure (8) are including annular boss (81) and the location handle (82) of fixed connection on outer tube (1) on interior pole (2) of fixed connection, be equipped with location platform (83) in location handle (82), slide interior pole (2) can make annular boss (81) press to be established on location platform (83).

9. The channel-less endoscopic extraction device of claim 8, further comprising: annular boss (81) are made by elastic material, and location handle (82) inner wall is outstanding to have extrusion platform (84), extrusion platform (84) end to end is the annular, around forming extrusion through-hole (85), the internal diameter of extrusion through-hole (85) is greater than the external diameter of interior pole (2) and is less than the external diameter of annular boss (81), extrusion platform (84), location handle (82) and location platform (83) enclose jointly and close and form location cavity (86), and slide interior pole (2) can make annular boss (81) be located location cavity (86).

10. The channel-less endoscopic camera device of claim 9, further comprising: the length of the positioning cavity (86) along the axial lead direction of the inner rod (2) is less than or equal to the length of the annular boss (81) along the axial lead direction of the inner rod (2).