CN212466124U - Joint lavage and release sleeve pipe - Google Patents

Abstract

The utility model discloses a joint lavage and release sleeve pipe relates to medical apparatus technical field, solves current joint release sleeve pipe and adopts to install the easy weeping of valve and join the sterile problem behind the sealed rubber circle. The utility model discloses a hollow outer tube and solid inner core, outer tube and the nested setting of inner core, the outer tube is expanded for both ends open-ended hollow cylinder and cylindrical one end, the inner core includes inner core subassembly A and inner core subassembly B, the inner core is by inner core subassembly A and inner core subassembly B concatenation fashioned solid cylinder, the one end of inner core is expanded and the expansion end homonymy of inner core and the expansion end of outer tube, the side of outer tube expansion most is equipped with feed liquor pipe and drain pipe, the utility model discloses can make great tissue piece can be outside the suction smoothly to the business turn over through disconnect-type needle core structural control flush fluid avoids traditional valve structure to leak.

Description

Joint lavage and release sleeve pipe

Technical Field

The utility model relates to the technical field of medical equipment, more specifically relate to a joint lavage and release sleeve pipe.

Background

The joint release sleeve is a common medical instrument for joint adhesion release lavage, and the main operation steps of the traditional joint adhesion release lavage are as follows:

1. establishing an arthroscopy access, finishing arthroscopy operation in the joint cavity, and observing whether the synovial membrane, the cartilage, the ligament and other attached structures in the joint have lesions and damages; judging the adhesion condition in the joint and other pathological changes;

2. under the monitoring of an arthroscope, a second access is established, a blunt instrument is used for loosening the adhesion part in the joint, and a planning knife in the joint and a negative pressure system are used for removing the chips and necrotic lesion tissues in the joint;

3. reversely using the normal saline to wash the joint cavity through the arthroscopic cannula;

5. after the operation, the instrument is withdrawn, the access incision is sewed, and the joint is bandaged and operated.

The above operations need to be completed under the monitoring of an arthroscope, at least two incisions are established, the operation is complex, and the operating physician needs to have corresponding endoscopic operation quality. The utility model discloses not only can solve non-visual joint chamber lavage, joint capsule release and get the sick inspection, wash out great tissue piece in the joint, only need establish a less operation incision moreover, it is little to the damage of patient's organism, more be favorable to patient postoperative rehabilitation, in addition the utility model discloses only need the operation doctor to have general bone surgery operation qualification, do not need special scope operation qualification, effectively reduced the threshold of realizing technical operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve current joint release sleeve pipe and adopt and install the easy weeping of valve and join the sterile problem behind the sealed rubber circle, the utility model provides a joint lavage and release sleeve pipe.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a joint lavage and release sleeve pipe, includes hollow outer tube and solid inner core, outer tube and the nested setting of inner core, the outer tube expands for both ends open-ended hollow cylinder and columniform one end, the inner core includes inner core subassembly A and inner core subassembly B, the inner core is by inner core subassembly A and inner core subassembly B concatenation fashioned solid cylinder, the one end of inner core expands and the expansion end homonymy of inner core and the expansion end homonymy of outer tube, the side of outer tube expansion most is equipped with feed liquor pipe and drain pipe, feed liquor pipe and drain pipe all are connected with the water pump of transport solution.

The working principle is as follows: the utility model discloses in the use, at first insert the fashioned inner core of concatenation into the outer tube, the outer tube is inside to be filled completely by the inner core and to seal. After the human body is inserted, the inner core component B is drawn out, a gap exists between the outer pipe and the inner core, the liquid inlet pipe opening is opened, the liquid outlet pipe opening is closed, and the liquid inlet pipe begins to convey solutions such as normal saline into the human body; after the solution is input, the inner core component A is rotated by 180 degrees, at the moment, the liquid inlet pipe orifice is closed, the liquid outlet pipe orifice is opened, and a large amount of tissue fragments in the body are extracted along with the body fluid. The tissue fragment is inserted into the inner core component B after finishing the extraction, and then the utility model is completely extracted from the body, and the treatment is finished.

Further, the central angle of the inner core assembly A is 180-270 degrees, and the central angle of the inner core assembly B is 90-180 degrees.

Further, two opposite through holes are formed in the side face of the non-expanded end of the outer pipe.

Further, the diameter of the liquid inlet pipe and the diameter of the liquid outlet pipe are gradually reduced towards the tail end direction, and the tail end of the liquid inlet pipe and the tail end of the liquid outlet pipe are provided with external threads used for externally connecting the rubber pipe.

Further, the diameters of the liquid inlet pipe and the liquid outlet pipe are gradually reduced towards the tail end direction, and the tail ends of the liquid inlet pipe and the liquid outlet pipe are provided with external threads for externally connecting rubber pipes

Furthermore, the liquid inlet pipe and the liquid outlet pipe respectively form an acute angle with one expanded end of the outer pipe.

The utility model has the advantages as follows:

1. the utility model discloses a business turn over of the nook closing member structure control flush fluid of disconnect-type has replaced valve control, avoids traditional valve structure to leak to no rubber seal in feed liquor pipe and the play liquid pipe, avoided the disinfection incomplete and make the bacterium remain.

2. The sleeve forms a shearing effect, can cut and bring out the tissue required to be examined by a doctor, and plays a role in needle aspiration biopsy.

3. The tip opening of sleeve pipe and side opening promote the efficiency of dashing and inhale, reduce the jam.

4. The blunt-tipped warhead-like design of the cannula avoids tissue damage and creates advantages for non-visual procedures.

5. The strength of the material after the whole sleeve enters the joint is sufficiently guaranteed, and the joint capsule can be subjected to blunt loosening at multiple angles.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of an outer tube;

FIG. 3 is a schematic structural front view of the core assembly A;

FIG. 4 is a schematic structural front view of the inner core assembly B;

FIG. 5 is a left side view of the core assembly A;

FIG. 6 is a left side view showing the construction of the core assembly B;

reference numerals: 1-an outer tube; 2-inner core; 21-inner core component a; 22-core assembly B; 3-a liquid outlet pipe; 4-a liquid inlet pipe; 5-a through hole; 6-water stop valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-2, this embodiment provides a joint lavage and release sleeve pipe, including hollow outer tube 1 and solid inner core 2, outer tube 1 and the nested setting of inner core 2, outer tube 1 is the expansion of both ends open-ended hollow cylinder and cylindrical one end, inner core 2 includes inner core subassembly a21 and inner core subassembly B22, inner core 2 is by inner core subassembly a21 and inner core subassembly B22 concatenation fashioned solid cylinder, the one end expansion of inner core 2 and the expansion end homonymy of outer tube 1, the side of the most of outer tube 1 expansion is equipped with feed liquor pipe 3 and drain pipe 4, feed liquor pipe 3 and drain pipe 4 all are connected with the water pump of transport solution.

The length of the outer tube 1 is about 100-150mm, the inner diameter is 2.0-3.5mm, the outer diameter is 2.5-4.2mm, the wall thickness is 0.5-0.7mm, and the opening is processed with blunt treatment (similar to a bullet structure, but is hollow).

The length of the expanded part of the outer pipe 1 is about 45-50mm, the inner diameter is consistent with that of the non-expanded part, and the wall thickness of the expanded part is about 2-4 mm;

the tail end of the expansion part of the outer tube 1 is provided with an extension structure, and the edge of the extension structure is subjected to blunt treatment, so that a doctor can plug a hole at the tail end with fingers when exceeding the extension structure, and water leakage is avoided.

Example 2

As shown in fig. 3 to 6, this embodiment is further improved on the basis of embodiment 1, specifically, the central angle of the core assembly a21 is 180 to 270 °, and the central angle of the core assembly B22 is 90 to 180 °.

The inner core 2 is integrally of an assembled solid structure shown in fig. 5 and 6 (cross section), actually an inner core component A21 and an inner core component B22, which are devices inserted into the outer tube 1 and can rotate in the outer tube 1.

Wherein: the total length of the inner core 2 is 3.0-5.0mm longer than that of the outer tube 1, and the tip of the inner core is of a bullet-like structure and forms a bullet-like structure which is well jointed and compact with the outer tube 1. Thus, the inner core 2 can be implanted into the outer tube 1 to form a whole body and can enter the joint capsule passively through the incised joint capsule access path; the inner core 2 is implanted into the outer pipe 1 to form a whole, and then a water inlet channel of the liquid inlet pipe 3 is closed, so that the problem of water leakage after a valve is arranged on the liquid inlet pipe 3 is avoided; in addition, the inner core assembly A21 and the inner core assembly B22 can rotate together in the outer pipe 1 or only the inner core assembly A21 is left in the outer pipe 1, and the inner core assembly A21 can open and close the water inlet and outlet holes due to different rotating positions when rotating; finally, when the inner core component A21 rotates in the outer tube 1 alone, the tip end of the inner core component A21 forms a shearing effect with the outer tube 1, and can cut and carry out part of the tissue to be examined by a doctor, thereby playing the role of needle aspiration biopsy.

The length of the expanded part of the inner core 2 is about 45-50mm, which is mainly convenient for holding.

The central angle of the cross section of the core assembly a21 was 240 ° and the central angle of the cross section of the core assembly B22 was 120 °.

The lateral surface of the non-expanded end of the outer tube 1 is provided with two opposite through holes 5.

The distance between the through holes 5 and the tail end is about 5cm, the side of each through hole is provided with 2 holes which are distributed according to 180 degrees, and the surface of one hole is parallel to the inner hole of the liquid inlet pipe 3. The holes are in an elliptical structure and are longitudinally arranged, the major diameter is about 1.5-1.7mm, and the minor diameter is about 1.0-1.2 mm.

Example 3

As shown in fig. 1 to 3, this embodiment is further improved on the basis of embodiments 1 and 2, and specifically, the included angles formed by the liquid inlet pipe 3 and the liquid outlet pipe 4 and the expanded one end of the outer pipe 1 are acute angles.

The liquid inlet pipe 3 and the liquid outlet pipe 4 are externally provided with wide screw buckle structures with gradually reduced tail end outer diameters, the wide screw buckle structures are mainly external pipes made of water inlet plastic materials with different pipe diameters conveniently, the distance between threads of the screw buckles is printed to be 1-1.5mm, the thread depth is about 0.5mm, the threads are in blunt structures and are not sharp, and hands of medical staff are prevented from being scratched.

Claims (5)

1. The utility model provides a joint lavage and release sleeve pipe, includes hollow outer tube (1) and solid inner core (2), outer tube (1) and inner core (2) nested the setting, its characterized in that: outer tube (1) is both ends open-ended hollow cylinder and cylindrical one end and expands, inner core (2) include inner core subassembly A (21) and inner core subassembly B (22), inner core (2) are by inner core subassembly A (21) and inner core subassembly B (22) concatenation fashioned solid cylinder, the one end of inner core (2) expands, and the part that inner core (2) do not expand inserts outer tube (1) and the expansion end of expansion part near outer tube (1), the side of outer tube (1) expansion part is equipped with feed liquor pipe (4) and drain pipe (3), feed liquor pipe (4) and drain pipe (3) all are connected with the water pump of transport solution.

2. A joint lavage and release sleeve as claimed in claim 1 in which: the central angle of the inner core component A (21) is 180-270 degrees, and the central angle of the inner core component B (22) is 90-180 degrees.

3. A joint lavage and release sleeve as claimed in claim 1 in which: the lateral surface of the non-expanded end of the outer pipe (1) is provided with two opposite through holes (5).

4. A joint lavage and release sleeve as claimed in claim 1 in which: feed liquor pipe (4) and drain pipe (3) reduce gradually towards tail end direction diameter and the tail end all is provided with the external screw thread that is used for external rubber tube.

5. A joint lavage and release sleeve as claimed in claim 4 in which: the liquid inlet pipe (4) and the liquid outlet pipe (3) form an acute angle with the expanded end of the outer pipe (1).

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