CN211658432U - Ureter support hook is pulled out ware and is drawn line and prevent disconnected structure - Google Patents

Abstract

The utility model relates to a ureter support hook is pulled out ware and is drawn back anti-breaking structure of acting as go-between discloses a replace original wire loop structure of taking out on the hook and pulling out the ware, can cushion when the fracture and hinder the structure that prevents the support shock of kick-backing. The bracket is prevented from rebounding and vibrating due to the fact that a thread rope is broken when the rope sleeve type ureter bracket hook extractor is used for extracting the bracket. Its characterized in that adapter sleeve is arranged in sheathed tube one and is served, and threaded rod one end is connected with the adapter sleeve, the sleeve pipe embeds there is the slip chamber, the one end in slip chamber is extended and is run through the sheathed tube other end, and the slip intracavity is arranged in to the slider, and is connected through the other end wall in a spring and slip chamber, and the pull-lead ring is arranged in on the slider, and outwards wears out from the sheathed tube other end, and the threading pipe is arranged in on the sleeve pipe lateral wall, it has the briquetting groove to open on the sleeve pipe inside wall, open the bottom in briquetting groove has the through hole, the briquetting groove is linked together through hole and threading pipe, and the briquetting.

Description

Ureter support hook is pulled out ware and is drawn line and prevent disconnected structure

Technical Field

The utility model relates to a ureter support hook is pulled out ware and is drawn line anti-breaking structure relates to one kind and when adopting the hook to pull out the ware hook and pull out ureter support, can cushion the structure that hinders when drawing the fracture of acting as go-between, belongs to the medical equipment field. In particular to a structure which replaces the prior wire loop structure on the hook extractor and can buffer and obstruct to prevent the support from rebounding and vibrating when the support is broken.

Background

At present, a ureteral stent placed in a patient is generally hooked and pulled by foreign matter forceps, a claw device or a rope sleeve device when taken out, but when the rope sleeve device with a pulling line is used for taking, the pulling line can be broken sometimes in the pulling and pulling process, and the rope sleeve device is sleeved on the ureteral stent for pulling and sawing when the pulling line is broken, so that the pulling and sawing force disappears in the breaking moment, the ureteral stent is easy to generate rebounding shock under the rebounding action of elastic materials, the injury to a human body is easy to occur, and meanwhile, the stent is not convenient for an operator to pull out again.

Publication number CN209827117U discloses a ureteral stent withdrawing device, which comprises a cannula body, a button, a handle and a wire ring; the side wall of the sleeve body is provided with a slideway extending along the length direction of the sleeve body, and the button positioned on the outer side wall of the sleeve body is arranged at the bottom of the slideway and slides along the slideway; the wire loop is fixedly arranged at the top of the handle, the wire loop extends out of the sleeve body from the top opening of the sleeve body and is unfolded, the ureteral stent is taken out by adopting a wire loop structure, but after the wire loop is broken when the ureteral stent is taken out, the ureteral stent lacks an effective buffering barrier structure and generates rebound shock, so that the injury is caused to a human body.

Disclosure of Invention

In order to improve the condition, the utility model relates to a ureter support hook is pulled out ware and is drawn back anti-breaking structure of acting as go-between provides one kind and replaces original wire loop structure on taking out the hook and pulling out the ware, can cushion when the fracture and hinder the structure that prevents the support shock of kick-backing. The bracket is prevented from rebounding and vibrating due to the fact that a thread rope is broken when the rope sleeve type ureter bracket hook extractor is used for extracting the bracket.

The utility model relates to a ureter support hook pulls out ware and pulls off disconnected structure of preventing is realized like this: the utility model relates to a ureteral stent hook puller pulling wire anti-breaking structure, which comprises an anti-breaking wire, a pulling wire ring, a sleeve, a connecting sleeve, a threaded rod, a threading pipe, a slider, a spring, a sliding cavity, a winding reel, a pressing block, a pulling wire, a second spring, a pressing tooth and an arc surface, wherein the connecting sleeve is arranged at one end of the sleeve, one end of the threaded rod is connected with the connecting sleeve, the sleeve is internally provided with the sliding cavity, one end of the sliding cavity extends through the other end of the sleeve, the slider is arranged in the sliding cavity and is connected with the other end wall of the sliding cavity through the first spring, the pulling wire pulling ring is arranged on the slider and penetrates out from the other end of the sleeve, the threading pipe is arranged on the outer side wall of the sleeve, the inner side wall of the sleeve is provided with a pressing block groove, the bottom of the pressing block groove is provided with a through hole, the pressing, the upper surface of briquetting is the arcwall face, and the arcwall face is located the slip intracavity, the briquetting lower part is the montant, the through hole is arranged in to montant one end, No. two springs have been put to the cover on the montant, No. two springs are located the briquetting inslot, and the connecting sleeve is arranged in to the spool, connecting axle and adapter sleeve rotatable coupling are passed through at the both ends of spool, draw the line to convolute and arrange in on the spool, it is intraductal that the one end of drawing the line is worn into the threading, the one end of preventing broken string is connected with the one end of drawing the line, the other end and the sheathed tube other end terminal surface of preventing broken string are connected, the pressure tooth has been put to the one end of montant, it has the line groove of rolling up to open on the spool lateral surface, wear pad has been put on the surface of briquetting, torsion spring has.

Advantageous effects

Firstly, the bracket rebounding oscillation caused by the breakage of a cord when the rope sleeve type ureter bracket hook extractor extracts the bracket is prevented.

And secondly, guiding the broken bracket to facilitate the operation personnel to continue to take and pull again.

Drawings

Fig. 1 is a three-dimensional structure diagram of a drawing wire breakage-proof structure of a ureteral stent hook puller.

Fig. 2 is a schematic structural view of a pulling wire breakage-proof structure of the ureteral stent hook extractor of the utility model.

Fig. 3 is a schematic structural view of the anti-breaking structure pressing block of the pulling wire of the ureteral stent hook puller of the utility model. In the attached drawings

Wherein the method comprises the following steps: the anti-broken wire comprises an anti-broken wire 1, a pull wire ring 2, a sleeve 3, a connecting sleeve 4, a threaded rod 5, a threading pipe 6, a sliding block 7, a first spring 8, a sliding cavity 9, a winding reel 10, a pressing block 11, a pull wire 12, a second spring 13, a pressing tooth 14 and an arc-shaped surface 15

The specific implementation mode is as follows:

the utility model relates to a ureteral stent hook puller pulling line anti-breaking structure, which is composed of an anti-breaking line 1, a pulling line ring 2, a sleeve 3, a connecting sleeve 4, a threaded rod 5, a threading pipe 6, a slider 7, a spring 8, a sliding cavity 9, a winding reel 10, a pressing block 11, a pulling line 12, a spring 13, a pressing tooth 14 and an arc surface 15, wherein the connecting sleeve 4 is arranged at one end of the sleeve 3, one end of the threaded rod 5 is connected with the connecting sleeve 4, the sleeve 3 is internally provided with the sliding cavity 9, one end of the sliding cavity 9 extends to penetrate through the other end of the sleeve 3, the slider 7 is arranged in the sliding cavity 9 and is connected with the other end wall of the sliding cavity 9 through the spring 8, the pulling line ring 2 is arranged on the slider 7 and penetrates out from the other end of the sleeve 3, the threading pipe 6 is arranged on the outer side wall of the sleeve 3, the inner side wall of the sleeve 3 is provided with, the bottom in briquetting 11 groove is opened there is the through hole, briquetting 11 groove is linked together through hole and threading pipe 6, and briquetting 11 is arranged in briquetting 11 inslot, the upper surface of briquetting 11 is arcwall face 15, and arcwall face 15 is located sliding chamber 9, briquetting 11 lower part divide into the montant, montant one end is arranged in the through hole, No. two spring 13 has been put to the cover on the montant, No. two spring 13 is located briquetting 11 inslot, and spool 10 is arranged in adapter sleeve 4, the both ends of spool 10 are through connecting axle and adapter sleeve 4 rotatable coupling, draw line 12 is convoluteed and is arranged on spool 10, the one end of drawing line 12 is worn into in threading pipe 6, the one end and the one end of drawing line 12 of preventing disconnected line 1 are connected, the other end and the other end terminal surface of sleeve 3 of preventing disconnected line 1 are connected, the pressure tooth 14 has been put to one end of montant, it has the winding groove to open on the spool 10 lateral surface, the surface of the pressing block 11 is provided with a wear pad, the connecting shaft is sleeved with a torsion spring, one end of the torsion spring is connected with the connecting shaft, and the other end of the torsion spring is connected with the connecting sleeve 4.

When the ureteral stent is used, when the ureteral stent is taken out of a hook, the breakage-proof structure is firstly installed at the end part of the stent hook puller through the threaded rod 5 to be used as a wire loop structure of the hook puller;

then the pulling wire ring 2 is sleeved on one end of the ureteral stent, then the whole extractor is pulled to extract the ureteral stent, when the pulling wire ring 2 is broken, the sliding block 7 is quickly contracted under the action of the first spring 8, the sliding block 7 slides towards one end of the sleeve 3, in the sliding process, the pressing block 11 is pressed downwards through the arc-shaped surface 15 on the pressing block 11, the pressing teeth 14 on the pressing block are used for clamping the pulling wire 12, the breaking-proof wire 1 at the moment is clamped, the rebounded ureteral stent is blocked by the breaking-proof wire 1 to buffer the vibration strength of the rebounded ureteral stent, after the sliding block 7 slides through the pressing block 11, the pressing block 11 is reset under the action of the second spring 13, the pulling wire 12 of the breaking-proof wire 1 is loosened, the breaking-proof wire 1 at the moment can be matched with the ureteral stent for extending, and the breaking-proof wire 1 still winds around the ureteral stent, and a person can conveniently;

the design that the winding groove is formed in the outer side surface of the winding reel 10, the pull wire 12 is limited in the winding groove, and the winding and unwinding effect is better;

reach and replace the original wire loop structure of taking out on the hook pulling device, can cushion when the fracture and hinder the purpose that prevents the support shock of kick-backing.

The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.

It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (5)

1. The utility model provides a ureter support hook draws line and prevents disconnected structure, characterized by: by preventing broken string, pull wire ring, sleeve pipe, adapter sleeve, threaded rod, threading pipe, slider, spring, slip chamber, spool, briquetting, pull wire, No. two springs, pressure tooth and arcwall face and constitute, the adapter sleeve is arranged in sheathed tube one and is served, threaded rod one end and adapter sleeve are connected, the sleeve pipe embeds there is the slip chamber, the one end in slip chamber extends the sheathed tube other end, and the slider is arranged in the slip chamber, and is connected mutually through the other end wall in spring and slip chamber, and pull wire ring arranges on the slider, and outwards wears out from the sheathed tube other end, and the threading pipe is arranged on the sleeve pipe lateral wall, it has the briquetting groove to open on the sleeve pipe inside wall, open the bottom in briquetting groove has the through hole, the briquetting groove is linked together through hole and threading pipe, and the briquetting is arranged in the briquetting inslot, the briquetting lower part divide into the montant, montant one end is arranged, the utility model discloses a winding spool, including montant, No. two springs, connecting sleeve, connecting axle and adapter sleeve, No. two springs are put to the cover on the montant, No. two springs are located the briquetting inslot, and the connecting sleeve is arranged in to the spool, connecting axle and adapter sleeve rotatable coupling are passed through at the both ends of spool, draw on the spool was arranged in to the coiling, it is intraductal to draw the one end of acting as go-between, the one end of preventing the broken string is connected with the one end of drawing the line, the other end and the sheathed tube other end terminal surface of preventing the broken string are connected, torsion spring has been put to the cover on.

2. The ureteral stent hook puller pulling wire breakage preventing structure as set forth in claim 1, wherein the upper surface of the pressing block is an arc-shaped surface, and the arc-shaped surface is located in the sliding cavity.

3. The ureteral stent hook puller pulling wire breakage preventing structure as set forth in claim 2, wherein a wear pad is disposed on a surface of the pressing block.

4. The ureteral stent hook puller pulling wire breakage preventing structure as set forth in claim 1, wherein a pressing tooth is arranged at one end of the vertical rod.

5. The ureteral stent hook puller pulling wire breakage preventing structure as set forth in claim 1, wherein a wire winding groove is formed on an outer side surface of the wire winding drum.

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