CN211636179U

CN211636179U - Bone cement conveying system

Info

Publication number: CN211636179U
Application number: CN201922338834.4U
Authority: CN
Inventors: 高建华; 高山; 张晓娜; 王富平
Original assignee: Beijing Hua Kang Tian Yi Bio Tech Co ltd
Current assignee: Beijing Hua Kang Tian Yi Bio Tech Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-10-09
Anticipated expiration: 2029-12-24

Abstract

The utility model provides a bone cement conveying system, wherein the stirring cup is of a cylindrical structure, a threaded connector is fixedly connected at the upper side of the stirring cup, a baffle plate is fixedly connected at the middle position inside the stirring cup, a piston is connected inside the stirring cup in a sliding way, the piston passes through a through hole arranged in the middle of the clapboard, a sealing ring is sleeved outside the piston, the outside of the sealing ring is clamped with the through hole in the middle of the clapboard, the lower end surface of the piston is screwed with the upper end of the push rod, the threaded connecting port is screwed with the internal thread arranged in the fixed cylinder, the inner thread arranged in the fixed cylinder is clamped with the thread connector on the upper side of the stirring cup, the stirring rod is driven to rotate by the rotation of the rotating handle, and then stir the bone cement that is located stirring cup inside and mix, solved traditional equipment and need stir the problem of mixing to bone cement alone.

Description

Bone cement conveying system

Technical Field

The utility model relates to a bone cement conveying system belongs to the medical equipment field.

Background

In the prior art, the spine is an important skeleton of a human body, has 3 main functions of moving, transferring load and protecting the spinal cord, and plays an important role in the human body. The spine transmits the weight of the body through the torso, with 80% of the pressure being borne by the vertebral bodies and the intervertebral discs of the spine. Compression fracture of vertebral body caused by various reasons, such as osteoporosis compression fracture, can prevent further collapse and deformity of vertebral body through vertebroplasty, relieve pain of patients and improve functions. Vertebroplasty is an operation in which biological materials such as bone cement are injected into a vertebral body through the skin and the pedicle of a vertebral arch by using a minimally invasive technique under the monitoring of an image enhancement device. Under prior art, bone cement conveying system need firstly stir bone cement, and then put into the syringe, and the process is pressurized and is injected bone cement into the centrum, has the apparatus variety many, complex operation's problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bone cement conveying system to solve and to provide among the above-mentioned background art and have the apparatus kind many, complex operation's problem.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a bone cement conveying system, includes the stirring cup, the stirring cup is the cylinder structure, the upside position connection of stirring cup is fixed with the threaded connection mouth, the inside intermediate position fixedly connected with baffle of stirring cup, the inside sliding connection of stirring cup has the piston, the piston passes the through-hole of seting up at the baffle intermediate position, the outside cover of piston is equipped with the outside of sealing washer and the through-hole looks joint of baffle intermediate position, the lower terminal surface of piston closes with the upper end of push rod is mutually revolved, the threaded connection mouth closes with set up at the inside internal thread of solid fixed cylinder mutually, the upside position of solid fixed cylinder is provided with turning handle, turning handle passes the up end of solid fixed cylinder and is connected fixedly with the puddler of installing at solid fixed cylinder inside.

Furthermore, the threaded connection port is screwed with an internal thread arranged inside the connecting cylinder, the connecting cylinder is of a cylindrical structure, the upper end of the connecting cylinder is communicated with the injection cylinder, the injection cylinder is of a cylindrical structure, a discharge hole is formed in the upper side of the injection cylinder, and scale marks are arranged on the side face of the injection cylinder.

Further, the puddler is provided with two and two puddlers are parallel to each other and arrange, the length of puddler is greater than the height of a fixed section of thick bamboo.

Furthermore, the push rod is of a structure with a T-shaped section, and anti-skid grains are distributed on the surface of the push rod.

Further, the diameter of the piston is the same as the inner diameter of the injection cylinder, and the outer diameter of the connecting cylinder is the same as the outer diameter of the stirring cup.

The utility model has the advantages that: the utility model discloses a bone cement conveying system, through set up the internal thread in the inside of solid fixed cylinder and stir the threaded connection mouth looks joint of cup upside, rotate through the rotation of twist grip and drive the puddler and rotate, and then stir the bone cement that is located inside the stirring cup and mix, solved the traditional equipment and need stir the problem of mixing to bone cement alone; after stirring, the injection tube can be directly placed on the stirring cup, and the pressure is directly applied through the push rod at the tail part of the stirring cup, so that the complex operation is omitted.

After the bone cement is stirred and mixed, the fixing cylinder is taken down, the connecting cylinder is sleeved with the threaded connecting port, the push rod is pushed, the push rod drives the piston to move towards one end close to the injection cylinder, the bone cement in the injection cylinder is pushed, the purpose of extruding the bone cement is achieved, the sealing ring plays a role in sealing, and liquid or the bone cement cylinder stirring cup is prevented from leaking.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a bone cement delivery system according to the present invention;

FIG. 2 is a schematic structural view of a connecting cylinder in a bone cement delivery system according to the present invention;

FIG. 3 is a cross-sectional view of a mixing cup in a bone cement delivery system according to the present invention;

in the figure: 1-rotating handle, 2-fixed cylinder, 3-stirring rod, 4-threaded connector, 5-stirring cup, 6-push rod, 7-piston, 8-sealing ring, 9-injection cylinder and 10-connecting cylinder.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a bone cement conveying system, including stirring cup 5, stirring cup 5 is the cylindrical structure, the upside position connection of stirring cup 5 is fixed with threaded connection mouth 4, the inside intermediate position fixedly connected with baffle of stirring cup 5, the inside sliding connection of stirring cup 5 has piston 7, piston 7 passes the through-hole of seting up at the baffle intermediate position, the outside cover of piston 7 is equipped with sealing washer 8 and sealing washer 8's the outside and the through-hole looks joint of baffle intermediate position, the lower terminal surface of piston 7 closes with the upper end of push rod 6 mutually soon, threaded connection mouth 4 closes with set up the internal thread of 2 insides of solid fixed cylinder mutually soon, the upside position of solid fixed cylinder 2 is provided with turning handle 1, turning handle 1 passes the up end of solid fixed cylinder 2 and is connected fixedly with the puddler 3 of installing at solid fixed cylinder 2 insides.

Threaded connection mouth 4 closes with the internal thread of seting up in connecting cylinder 10 inside mutually soon, connecting cylinder 10 is the cylindrical structure, the upper end and the injection tube 9 of connecting cylinder 10 link up mutually, injection tube 9 is the cylindrical structure, the discharge gate has been seted up to the upside of injection tube 9, the side position of injection tube 9 is provided with the scale marking, bone cement stirring mixes the back and is taken off through fixing cylinder 2, use connecting cylinder 10 and threaded connection mouth 4 to cup joint mutually, promote push rod 6, and then push rod 6 drives piston 7 and moves to the one end that is close to injection tube 9, and then to the promotion of the inside bone cement of injection tube 9, reach the purpose of extruding bone cement, and sealing washer 8 has then played the effect sealed at, prevent to spill in liquid or the bone cement section of thick bamboo stirring cup 5, the scale is then convenient to use person observes the.

Puddler 3 is provided with two and two puddlers 3 are parallel to each other and arranges, and the length of puddler 3 is greater than the height of solid fixed cylinder 2, and then is convenient for mix the stirring through puddler 3 to bone cement.

The push rod 6 is of a structure with a T-shaped section, and anti-skid lines are distributed on the surface of the push rod 6, so that a user can push the push rod 6 conveniently.

The diameter of the piston 7 is the same as the inner diameter of the syringe 9, and the outer diameter of the connecting cylinder 10 is the same as the outer diameter of the mixing cup 5, so that the piston 7 can extrude the bone cement in the syringe 9 conveniently.

The specific implementation mode is as follows: in the use, firstly add bone cement into the inside of the stirring cup 5, then close the threaded connection mouth 4 of the upside of the stirring cup 5 and the internal thread of the inside of the fixed cylinder 2, close and accomplish the back through the rotating handle 1 soon, the rotation through the rotating handle 1 drives the stirring rod 3 to rotate, and then to the mixing and stirring of bone cement, mix and stir and accomplish the back through taking off the fixed cylinder 2 at bone cement, then close the internal thread of the inside of the connecting cylinder 10 and the threaded connection mouth 4 soon mutually, then through promoting the push rod 6, and then the push rod 6 drives the piston 7 to move to the upside, and then the piston 7 stretches into the inside of the injection cylinder 9, and then the piston 7 moves in the inside of the injection cylinder 9, realize the extrusion to bone cement, and then inject out bone cement.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A bone cement delivery system comprising a mixing cup (5), characterized in that: the stirring cup (5) is of a cylindrical structure, a threaded connector (4) is fixedly connected at the upper side of the stirring cup (5), a clapboard is fixedly connected at the middle position inside the stirring cup (5), a piston (7) is connected inside the stirring cup (5) in a sliding way, the piston (7) passes through a through hole arranged at the middle position of the clapboard, a sealing ring (8) is sleeved outside the piston (7), the outside of the sealing ring (8) is clamped with the through hole at the middle position of the clapboard, the lower end surface of the piston (7) is screwed with the upper end of the push rod (6), the threaded connecting port (4) is screwed with the internal thread arranged in the fixed cylinder (2), the upper side position of a fixed cylinder (2) is provided with a rotating handle (1), and the rotating handle (1) penetrates through the upper end face of the fixed cylinder (2) and is fixedly connected with a stirring rod (3) arranged inside the fixed cylinder (2).

2. A bone cement delivery system as defined in claim 1, wherein: the screw thread connector (4) is screwed with an internal thread arranged inside the connecting cylinder (10), the connecting cylinder (10) is of a cylindrical structure, the upper end of the connecting cylinder (10) is communicated with the injection cylinder (9), the injection cylinder (9) is of a cylindrical structure, a discharge hole is formed in the upper side of the injection cylinder (9), and scale marks are arranged on the side face of the injection cylinder (9).

3. A bone cement delivery system as defined in claim 1, wherein: the stirring rods (3) are arranged in parallel, and the length of each stirring rod (3) is greater than the height of the corresponding fixed cylinder (2).

4. A bone cement delivery system as defined in claim 1, wherein: the push rod (6) is of a structure with a T-shaped section, and anti-skid grains are distributed on the surface of the push rod (6).

5. A bone cement delivery system as defined in claim 2, wherein: the diameter of the piston (7) is the same as the inner diameter of the injection cylinder (9), and the outer diameter of the connecting cylinder (10) is the same as the outer diameter of the stirring cup (5).