CN211094488U

CN211094488U - Loose body extractor

Info

Publication number: CN211094488U
Application number: CN201921069649.3U
Authority: CN
Inventors: 泮宸帅; 王肖; 杨素清
Original assignee: Taizhou Central Hospital Taizhou University Hospital
Current assignee: Taizhou Central Hospital Taizhou University Hospital
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-07-28
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a medical instrument technical field's a free body extractor, which comprises a housin, the spout has all been opened from top to bottom to the left wall of casing, the draw-in groove has all been opened to the roof and the diapire of casing, the telescopic link is installed to the inner chamber of spout, the one end joint of telescopic link has coupling spring, coupling spring's one end and the interior wall connection of spout, the outer wall fixed mounting of telescopic link has the push pedal, the push pedal runs through the draw-in groove, the outer wall fixed mounting of push pedal has the dead lever, the outer wall spiro union of dead lever has fixation nut, fixation nut is located the outside of casing, the one end fixed mounting of lower part telescopic link has the blade, the one end pin joint of upper portion telescopic link has spring support frame, spring support frame's diapire is provided.

Description

Loose body extractor

Technical Field

The utility model discloses a free body extractor specifically is medical instrument technical field.

Background

The articular cavity free body is a common disease, and is usually treated by arthroscopic minimally invasive surgery, but the free body is difficult to remove in the surgical process, which is shown in the following steps: 1. the free body is small and cannot be clamped 2, the free body drops in a tissue gap midway in the process of clamping and taking out, and the free body is difficult to remove 3 again.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a play body extractor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a free body extractor, includes the casing, the spout has all been opened from top to bottom to the left wall of casing, the draw-in groove has all been opened to the roof and the diapire of casing, the telescopic link is installed to the inner chamber of spout, the one end joint of telescopic link has coupling spring, coupling spring's one end and the interior wall connection of spout, the outer wall fixed mounting of telescopic link has the push pedal, the push pedal runs through the draw-in groove, the outer wall fixed mounting of push pedal has the dead lever, the outer wall spiro union of dead lever has fixation nut, fixation nut is located the outside of casing, lower part the one end fixed mounting of telescopic link has blade, upper portion the one end pin-jointed spring support frame of telescopic link, spring support frame's.

Preferably, the outer wall of the push plate is provided with anti-slip teeth.

Preferably, the blade edge is upward.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the device is provided with a telescopic rod which can move in a sliding chute of the shell, one end of the telescopic rod is provided with a blade, and the blade is used for cutting the joint capsule, so that the net bag can be conveniently pulled out at one time without switching a scalpel and an extractor back and forth;

2) the device is characterized in that a spring support frame is arranged at one end of a telescopic rod, when the spring support frame is arranged in a chute, the spring support frame cannot be unfolded due to the limiting of the chute, when the spring support frame moves away from the chute along with the telescopic rod, the spring support frame automatically unfolds due to the spring acting force until the spring support frame is contacted with the inner wall of the telescopic rod, at the moment, the spring support frame is limited by the inner wall of the telescopic rod, a shell is attached to a knife edge, the spring support frame is not unfolded when entering the knife edge, and can enter the knife edge through a minimally invasive opening, so that the knife;

3) this device is provided with the string bag in spring support frame's bottom, and the opening of string bag is along with spring support frame's deformation, is convenient for acquire in time reducing of string bag behind the play body, is favorable to the play body to preserve temporarily in the string bag, and a plurality of not equidimension play bodies can be taken out simultaneously to the string bag in addition, practices thrift operating time, and this device easy operation, convenient to use effectively reduces the edge of a knife area, practices thrift operating time.

Drawings

FIG. 1 is a front cross-sectional view of the loose body extractor of the present invention;

FIG. 2 is a front view of the spring support of the present invention;

FIG. 3 is a schematic top view of the spring support of the present invention;

fig. 4 is a schematic view of the spring support frame of the present invention.

In the figure: 100 shells, 110 sliding grooves, 120 clamping grooves, 200 telescopic rods, 210 connecting springs, 220 push plates, 230 fixing rods, 240 fixing nuts, 250 blades, 260 spring supporting frames, 270 net bags and 280 accommodating grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a free body extractor, which effectively reduces the area of a knife edge and saves the operation time, please refer to fig. 1, comprising a shell 100, wherein the upper and lower parts of the left wall of the shell 100 are provided with chutes 110, the top wall and the bottom wall of the shell 100 are provided with slots 120, and the chutes 110 are used for extending and retracting of a telescopic rod 200;

referring to fig. 1, 2, 3 and 4, an inner cavity of the sliding chute 110 is provided with an expansion link 200, one end of the expansion link 200 is clamped with a connection spring 210, one end of the connection spring 210 is connected with an inner wall of the sliding chute 110, an outer wall of the expansion link 200 is fixedly provided with a push plate 220, the push plate 220 penetrates through the clamping groove 120, an outer wall of the push plate 220 is fixedly provided with a fixing rod 230, an outer wall of the fixing rod 230 is screwed with a fixing nut 240, the fixing nut 240 is located outside the casing 100, one end of the lower expansion link 200 is fixedly provided with a blade 250, one end of the upper expansion link 200 is pinned with a spring support 260, a bottom wall of the spring support 260 is provided with a net bag 270, the expansion link 200 moves by pushing the push plate 220, the expansion link 200 is used for respectively driving the blade 250 and the spring support 260 to extend out of, the fixing rod 230 and the fixing nut 240 are used for fixing the push plate 220, the fixing nut 240 is rotated by screwing, the bottom wall of the fixing nut 240 is contacted with the top wall of the shell 100, the fixing rod 230, the push plate 220 and the telescopic rod 200 are fixed by static friction force of the bottom wall of the fixing nut 240 and the top wall of the shell 100, the telescopic rod 210 which is 200 times of the connecting spring 210 is prevented from being pulled back to the shell 100, the blade 250 is used for cutting a joint capsule, the spring support frame 260 is used for carrying the net bag 270 to enter a knife edge, torsion springs are arranged at the front and the back of the pin joint of the spring support frame 260, after the spring support frame 260 leaves the sliding chute 110, the inner wall of the sliding chute 110 does not limit the spring support frame 260 any more, the spring support frame 260 is automatically unfolded by the acting force of the torsion springs until the supporting rod in the spring, leading to a reduction in the open area of the net bag 270, the net bag 270 being used to remove the free bodies;

referring to fig. 1, the outer wall of the push plate 220 is provided with anti-slip teeth to improve the friction force of the outer wall of the push plate 220.

Referring again to fig. 1, the blade 250 has an upward edge to prevent the net bag 270 from being damaged when the blade 250 cuts.

While the invention has been described above with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the various embodiments disclosed herein can be used in any combination with one another, and the description of such combinations that is not exhaustive in this specification is merely for brevity and resource saving. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A kind of episome extractor, characterized by: the multifunctional telescopic handle comprises a shell (100), a sliding groove (110) is formed in the upper portion and the lower portion of the left wall of the shell (100), a clamping groove (120) is formed in the top wall and the bottom wall of the shell (100), a telescopic rod (200) is installed in the inner cavity of the sliding groove (110), a connecting spring (210) is connected to one end of the telescopic rod (200) in a clamped mode, one end of the connecting spring (210) is connected with the inner wall of the sliding groove (110), a push plate (220) is fixedly installed on the outer wall of the telescopic rod (200), the push plate (220) penetrates through the clamping groove (120), a fixing rod (230) is fixedly installed on the outer wall of the push plate (220), a fixing nut (240) is screwed on the outer wall of the fixing rod (230), the fixing nut (240) is located on the outer portion of the shell (100), a blade (250) is fixedly installed on the lower, the bottom wall of the spring support frame (260) is provided with a net bag (270).

2. The free body extractor of claim 1, wherein: the outer wall of the push plate (220) is provided with anti-skid teeth.

3. The free body extractor of claim 1, wherein: the blade (250) is edge-up.