CN215608011U - Knee joint cavity infection focus drainage sealing device - Google Patents

Abstract

The utility model discloses a knee joint cavity infection focus drainage sealing device which comprises an infusion needle head, a sliding groove, an inner sealing sheet, a sliding block, a central hole, a sleeve, a puncture tube, an outer threaded tube, a distribution bulge and an outer sealing sheet, wherein the inner sealing sheet is sleeved inside one side of the infusion needle head; the utility model discloses a can be in the drainage operation of knee joint intracavity pus, make the pressure increase of joint intracavity, when surpassing the limit that joint chamber self bore, avoid liquid from aperture and transfer line clearance toward flowing outward to avoid filth to pollute patient's clothing and sheet, and then avoid causing knee joint chamber secondary infection.

Description

Knee joint cavity infection focus drainage sealing device

Technical Field

The utility model relates to the field of medical equipment, in particular to a knee joint cavity infection focus drainage sealing device.

Background

For knee joint infection diseases, a large amount of pus in a knee joint cavity needs to be discharged in time, at present, 2 small holes are formed in the left side and the right side of the front of a knee joint, a transfusion tube is placed in the knee joint, physiological saline and antibiotics flow into the knee joint cavity through the transfusion tube on one side, the pus flows out of the knee joint cavity from the transfusion tube on the other side and enters a drainage bag, after the physiological saline and the antibiotics enter the knee joint cavity, the pressure in the knee joint cavity is increased, when the pressure exceeds the limit born by the knee joint cavity, liquid can flow out from the gap between the small holes and the transfusion tube, clothes and bed sheets of a patient are polluted, and secondary infection of the knee joint cavity is easily caused; therefore, the technical problem that secondary infection of the knee joint cavity is difficult to solve for a long time is avoided by avoiding polluting clothes and bed sheets of a patient by dirt in the drainage operation of pus in the knee joint cavity.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a knee joint cavity infection focus drainage sealing device which can increase the pressure in a joint cavity in the knee joint cavity drainage operation and prevent liquid from flowing out from a gap between a small hole and a liquid conveying pipe when the pressure exceeds the limit born by the joint cavity, so that the clothes and a bed sheet of a patient are prevented from being polluted by dirt, and further, the secondary infection of the knee joint cavity is prevented.

The purpose of the utility model can be realized by the following technical scheme:

a knee joint cavity infection focus drainage sealing device comprises an infusion needle head, a chute, an inner sealing sheet, a sliding block, a central hole, a sleeve, a puncture tube, an outer threaded tube, distribution bulges and an outer sealing sheet, an inner sealing sheet is sleeved in one side of the transfusion needle head, sliding blocks are symmetrically and fixedly connected on the outer wall of one side of the inner sealing sheet in a plastic connection mode, the inner wall of one side of the transfusion needle head is symmetrically provided with sliding grooves corresponding to the sliding blocks, the inner wall of one side of the inner sealing sheet is sleeved with a puncture tube, a central hole is arranged on the inner wall of one side of the inner sealing sheet corresponding to the puncture tube, an external thread tube is sleeved on the outer wall of one side of the transfusion needle head, the outer wall of one side of the outer threaded pipe is fixedly connected with a distribution bulge in a plastic mode, the outer wall of the outer threaded pipe, which is positioned on one side of the distribution bulge, is provided with an outer sealing sheet, the outer wall of one side of the sliding block is fixedly connected with a sleeve in a plastic connection mode, and one end of the puncture tube penetrates through the interior of the sleeve.

As a further scheme of the utility model: transfusion holes are distributed on the inner wall of one side of the inner sealing sheet, and the number of the transfusion holes is four.

As a further scheme of the utility model: the distribution is moulded on one side inner wall of interior gasket and is connect and be fixed with the ear piece, externally mounted between the ear piece has several shape leaf springs, equal fixedly connected with pivot on the both sides outer wall of several shape leaf springs, and the other end rotation of pivot connects in the inside of ear piece.

The utility model has the beneficial effects that: can be in knee joint intracavity pus drainage operation, make the pressure increase of joint intracavity, when surpassing the limit that joint chamber self bore, avoid liquid from aperture and transfer line clearance toward flowing outward to avoid filth to pollute patient's clothing and sheet, and then avoid causing knee joint chamber secondary infection.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is an overall elevational view of the present invention;

FIG. 2 is a side cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the structure of area A in FIG. 2 according to the present invention;

in the figure: 1. a transfusion needle head; 2. a chute; 3. an inner sealing sheet; 4. a slider; 5. a transfusion hole; 6. a central bore; 7. a sleeve; 8. a puncture tube; 9. an externally threaded tube; 10. distributing bulges; 11. an outer sealing sheet; 12. an ear piece; 13. a rotating shaft; 14. a flat spring of a few shapes.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1-3, a knee joint cavity infection focus drainage sealing device comprises an infusion needle head 1, a chute 2, an inner sealing sheet 3, a slide block 4, a central hole 6, a sleeve 7, a puncture tube 8, an outer threaded tube 9, a distribution bulge 10 and an outer sealing sheet 11, wherein the inner sealing sheet 3 is sleeved inside one side of the infusion needle head 1, the slide block 4 is symmetrically and fixedly connected on the outer wall of one side of the inner sealing sheet 3 in a plastic-connection manner, the chute 2 is symmetrically arranged on the inner wall of one side of the infusion needle head 1 corresponding to the slide block 4, the puncture tube 8 is sleeved on the inner wall of one side of the inner sealing sheet 3, the central hole 6 is arranged on the inner wall of one side of the inner sealing sheet 3 corresponding to the puncture tube 8, the outer threaded tube 9 is sleeved on the outer wall of one side of the infusion needle head 1, the distribution bulge 10 is fixed on the outer wall of one side of the outer threaded tube 9 in a plastic-connection manner, the outer sealing sheet 11 is arranged on the outer wall of one side of the outer threaded tube 9 located at the distribution bulge 10, a sleeve 7 is fixedly connected to the outer wall of one side of the sliding block 4 in a plastic connection mode, and one end of a puncture tube 8 penetrates through the sleeve 7;

transfusion holes 5 are distributed on the inner wall of one side of the inner sealing sheet 3, and the number of the transfusion holes 5 is four, so that the transfusion bag is convenient for inputting solutions such as physiological saline, antibiotics and the like into the knee;

distribute on one side inner wall of interior gasket 3 and mould and connect and be fixed with ear piece 12, externally mounted between ear piece 12 has several shape leaf springs 14, equal fixedly connected with pivot 13 on the both sides outer wall of several shape leaf springs 14, and the other end of pivot 13 rotates and connects in the inside of ear piece 12, move out infusion syringe needle 1 inside when interior gasket 3, this moment again several shape leaf springs 14 reset under the effect, then drive pivot 13 on the ear piece 12, conveniently make interior gasket 3 become several shapes.

The working principle of the utility model is as follows: firstly, the needle point at the right end of the puncture tube 8 is taken as the whole right end to enter the skin pore, the skin pore is usually 1-1.5cm, then the inside of the puncture tube 8 is drawn out, the infusion needle 1 is left in the skin pore, then the sleeve 7 is moved, the sliding block 4 on the inner sealing sheet 3 moves along the sliding groove 2 in the infusion needle 1, thereby the inner sealing sheet 3 moves out of the inside of the infusion needle 1, at the moment, the reset action of the n-shaped leaf spring 14 is carried out, then the rotating shaft 13 on the ear block 12 is driven, the inner sealing sheet 3 is changed into n-shaped, thereby the inside of the skin is sealed, then the outer threaded tube 9 is moved along the infusion needle 1, then under the action of the distribution bulge 10, the outer sealing sheet 11 is used for sealing the outside of the skin, and thereby the liquid is prevented from flowing out from the gap between the pore and the infusion tube.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (3)

1. The knee joint cavity infection focus drainage sealing device is characterized by comprising an infusion needle head (1), a sliding groove (2), an inner sealing sheet (3), a sliding block (4), a center hole (6), a sleeve (7), a puncture tube (8), an outer threaded tube (9), a distribution bulge (10) and an outer sealing sheet (11), wherein the inner sealing sheet (3) is sleeved inside one side of the infusion needle head (1), the sliding block (4) is symmetrically and plastically connected and fixed on the outer wall of one side of the inner sealing sheet (3), the sliding groove (2) is symmetrically arranged on the inner wall of one side of the infusion needle head (1) corresponding to the sliding block (4), the puncture tube (8) is sleeved on the inner wall of one side of the inner sealing sheet (3), the center hole (6) is arranged on the inner wall of one side of the inner sealing sheet (3) corresponding to the puncture tube (8), the outer threaded tube (9) is sleeved on the outer wall of one side of the infusion needle head (1), mould on one side outer wall of external screw pipe (9) and connect and be fixed with distribution arch (10), external screw pipe (9) are located and install outer gasket (11) on the outer wall of distribution arch (10) one side, mould on one side outer wall of slider (4) and connect and be fixed with sleeve (7), and the one end of puncture pipe (8) runs through in the inside of sleeve (7).

2. The knee joint cavity infection focus drainage sealing device according to claim 1, wherein infusion holes (5) are distributed on the inner wall of one side of the inner sealing sheet (3), and the number of the infusion holes (5) is four.

3. The knee joint cavity infection focus drainage sealing device of claim 1, characterized in that the inner wall of one side of the inner sealing sheet (3) is distributed with plastic joint to fix with ear blocks (12), the outer portion between the ear blocks (12) is provided with several shape leaf springs (14), the outer walls of both sides of the several shape leaf springs (14) are fixedly connected with rotating shafts (13), and the other end of the rotating shaft (13) is rotatably connected in the ear blocks (12).

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