Multifunctional pressure pump

By designing a multifunctional pressure pump, it integrates pressurized liquid filling, bone cement stirring and injection functions, solving the problem of single function of traditional pressure pumps and improving the flexibility and efficiency of surgery.

CN222823356UActive Publication Date: 2025-05-02JIANGSU CHANGMEI MEDICAL INSTR CO LTD
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Patent Information

Application Number
CN202421939995.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-05-02
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

Traditional pressure pumps have a single function and cannot meet multiple surgical needs, which increases the complexity and cost of the surgery.

Method used

A multifunctional pressure pump is designed, including an outer pipe, a pressure gauge, a connecting pipe, a cement filler and agitator. Through threaded connections and multifunctional joints, the functions of pressurized liquid filling, agitating and cement injection are realized.

Benefits of technology

Multifunctional operation is realized, the surgical process is simplified, the number of equipment and surgical cost is reduced, while improving operational flexibility and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a multifunctional pressure pump which comprises an outer pipe, the front end of the outer pipe is connected with a front threaded sleeve, the rear end of the outer pipe is connected with a rear threaded sleeve, a piston head is arranged in the outer pipe, and a push rod penetrates through the rear threaded sleeve and is connected with the piston head in the outer pipe. The pressure gauge is connected with the front threaded sleeve; a first connector is arranged at the front end of the connecting pipe, and the rear end of the connecting pipe is connected with the front threaded sleeve through the first connector; the rear end of the bone cement filler is suitable for being connected with the first connector; the stirrer is suitable for being inserted into the outer pipe from the front end opening of the outer pipe and is suitable for stirring the bone cement in the outer pipe. The multifunctional pressure pump integrates pressurization liquid filling, bone cement stirring and bone cement injection. After the operation is completed, the front threaded sleeve at the head end can be detached for stirring and injecting bone cement.
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Description

Technical Field

[0001] The utility model relates to the field of medical equipment, in particular to a multifunctional pressure pump. Background Art

[0002] Traditional pressure pumps are mainly used for balloon dilatation, with a single function and unable to meet other surgical needs. For the medical team, multiple devices may be needed to complete different surgical steps, increasing the complexity and cost of the operation. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, provide a multifunctional pressure pump, and solve the technical problem that the previous pressure pump has a single function.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A multifunctional pressure pump is provided, comprising:

[0006] An outer tube, the front end of which is connected to the front threaded sleeve, and the rear end of which is connected to the rear threaded sleeve. A piston head is arranged in the outer tube, and a push rod passes through the rear threaded sleeve and is connected to the piston head in the outer tube;

[0007] A pressure gauge connected to the front threaded sleeve;

[0008] A connecting pipe, the front end of which is provided with a first joint, and the rear end of which is connected to the front threaded sleeve via a second joint;

[0009] A bone cement filler, the rear end of which is suitable for connecting with the first joint;

[0010] The stirrer is suitable for being inserted into the outer tube from the front port of the outer tube and for stirring the bone cement in the outer tube.

[0011] Furthermore, the front threaded casing comprises

[0012] A tube body, wherein the tube body is provided with a front cavity, a rear cavity and a connecting cavity, wherein an internal thread is arranged in the rear cavity, and the rear cavity is connected to the outer tube via the internal thread;

[0013] The front cavity is a tapered cavity, the connecting cavity is connected to the front cavity, an internal thread is arranged in the connecting cavity, and the connecting cavity is connected to the pressure gauge via the internal thread.

[0014] Furthermore, the stirrer comprises

[0015] A rod body and a stirring head, wherein the stirring head is located at the lower end of the rod body and is fixedly connected to the rod body;

[0016] The stirring head is provided with a plurality of through holes.

[0017] Furthermore, the stirring head comprises

[0018] A connector, a ring body and a plurality of ribs, wherein the connector is located in the middle of the ring body, and the ribs are distributed around the connector, and the two ends of the ribs are respectively connected to the ring body and the connector, and inner through holes are formed between adjacent ribs.

[0019] Furthermore, a plurality of external perforations are arranged around the ring body.

[0020] Furthermore, the cross section of the rib is a diamond-shaped structure;

[0021] The inner wall surface of the ring body is pointed and convex.

[0022] Furthermore, it also includes a funnel, which is suitable for plugging with the front port of the outer tube.

[0023] The beneficial effects of the utility model are:

[0024] The multifunctional pressure pump integrates pressurized liquid filling, bone cement mixing and bone cement injection. After the balloon dilatation is completed, the front threaded sleeve at the head end can be removed for bone cement mixing and injection.

[0025] The front threaded casing and the outer tube are connected by threads, which is simple, convenient and fast to operate; BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The utility model is further described below in conjunction with the accompanying drawings.

[0027] Figure 1 This is a schematic diagram of the utility model multifunctional pressure pump;

[0028] Figure 2 It is a schematic diagram of the front threaded casing;

[0029] Figure 3 It is a schematic diagram of the stirring head;

[0030] Figure 4 yes Figure 3 Middle AA section view;

[0031] Figure 5 It is a schematic diagram of the pressure pump of the utility model for pressurized liquid filling;

[0032] Figure 6 It is a schematic diagram of the utility model pressure pump for mixing bone cement;

[0033] in,

[0034] 1. outer tube, 2. front threaded casing, 3. rear threaded casing, 31. front cavity, 32. rear cavity, 33. connecting cavity;

[0035] 4. push rod, 41. piston head, 5. pressure gauge, 6. connecting pipe, 71. first joint, 72. second joint;

[0036] 9. agitator, 91. connector, 92. ring body, 93. ribs, 94. inner perforation, 95. outer perforation, 10. funnel. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] The present application provides a multifunctional pressure pump, which is described in detail below. It should be noted that the description order of the following embodiments does not limit the preferred order of the embodiments of the present application. In the following embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0039] In order to solve the technical problem of the single function of the pressure pump in the prior art, an embodiment of the present application provides a multifunctional pressure pump, which is described in detail below.

[0040] like Figure 1 As shown, a multifunctional pressure pump comprises

[0041] The outer tube 1 has a front end connected to the front threaded sleeve 2 and a rear end connected to the rear threaded sleeve 3. A piston head 41 is arranged inside the outer tube 1. The push rod 4 passes through the rear threaded sleeve 3 and is connected to the piston head 41 inside the outer tube 1.

[0042] A pressure gauge 5, wherein the pressure gauge 5 is connected to the front threaded sleeve 2;

[0043] The connecting pipe 6 has a first joint 71 at its front end and a second joint 72 at its rear end connected to the front threaded sleeve 2;

[0044] A bone cement filler, the rear end of which is suitable for connecting with the first joint 71;

[0045] The stirrer 9 is suitable for being inserted into the outer tube 1 from the front end thereof and for stirring the bone cement in the outer tube 1 .

[0046] In this embodiment, the push rod 4 and the rear threaded sleeve 3 are in spiral fit, and the piston head 41 can be driven to move forward and backward by rotating the push rod 4 .

[0047] Specifically, as an optional implementation in this embodiment, Figure 2 As shown, the front threaded sleeve 2 includes

[0048] A tube body, wherein the tube body is provided with a front cavity 31, a rear cavity 32 and a connecting cavity 33, wherein an internal thread is arranged in the rear cavity 32, and the rear cavity 32 is connected to the outer tube 1 via the internal thread;

[0049] The front cavity 31 is a tapered cavity, the connecting cavity 33 is connected to the front cavity 31 , an internal thread is arranged in the connecting cavity 33 , and the connecting cavity 33 is connected to the pressure gauge 5 via the internal thread.

[0050] The structure of the tapered cavity is designed to make bone cement injection smoother.

[0051] Specifically, as an optional implementation in this embodiment, Figure 3 Figure 4 As shown, the stirrer 9 comprises

[0052] A rod body and a stirring head, wherein the stirring head is located at the lower end of the rod body and is fixedly connected to the rod body;

[0053] The stirring head is provided with a plurality of through holes.

[0054] Specifically, as an optional implementation in this embodiment, Figure 3 Figure 4 As shown, the stirring head includes

[0055] A connector 91 , a ring body 92 and a plurality of ribs 93 , wherein the connector 91 is located in the middle of the ring body 92 , and the ribs 93 are distributed around the connector 91 , and the two ends of the ribs 93 are respectively connected to the ring body 92 and the connector 91 , and inner holes 94 are formed between adjacent ribs 93 .

[0056] Specifically, as an optional implementation in this embodiment, Figure 3 Figure 4 As shown, a plurality of outer through holes 95 are arranged around the ring body 92 .

[0057] Specifically, as an optional implementation in this embodiment, Figure 3 Figure 4 As shown, the cross section of the rib 93 is a diamond-shaped structure;

[0058] The inner wall surface of the ring body 92 is pointed and convex.

[0059] The diamond structure is used to make the bone cement mixing faster and achieve better results.

[0060] Specifically, as an optional implementation in this embodiment, Figure 1 As shown, a funnel 10 is also included, which is suitable for plugging with the front end of the outer tube 1.

[0061] The multifunctional pressure pump of the utility model can have the following functions in actual use:

[0062] Function 1: Pressurized filling:

[0063] like Figure 5 As shown, the push rod 4 rotates clockwise to pressurize and fill the liquid, and counterclockwise to pump air / liquid out. The pressure gauge 5 can intuitively display the current pressure. Before the filling and pressurization are completed, the threaded sleeve 2 can be disassembled for bone cement mixing and filling.

[0064] Function 2: Bone cement mixing:

[0065] like Figure 6 As shown, after the filling and pressurization is completed, the front threaded sleeve 2 can be unscrewed and the head end can be placed on the funnel 10 to pour the stirred bone cement into the outer tube 1, or the unstirred bone cement can be poured into the outer tube 1 and stirred with the stirrer 9 according to the arrow shown in the figure.

[0066] Function 3: Bone cement injection:

[0067] After the bone cement is filled and stirred, the front threaded sleeve 2 is tightened with the outer tube 1, the head end joint of the connecting tube 6 can be connected to the bone cement filler, and the push rod 4 can be rotated clockwise to inject the bone cement.

[0068] The various devices selected in this application (components whose specific structures are not described) are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0069] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0070] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0071] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. The device embodiments described above are merely schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some communication interfaces, and the indirect coupling or communication connection of devices or units can be electrical, mechanical or other forms.

[0072] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0073] In addition, each functional unit in each embodiment of the present utility model may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0074] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A multifunctional pressure pump, characterized in that: include An outer tube (1), the front end of which is connected to a front threaded sleeve (2), and the rear end of which is connected to a rear threaded sleeve (3); a piston head (41) is arranged inside the outer tube (1); a push rod (4) passes through the rear threaded sleeve (3) and is connected to the piston head (41) inside the outer tube (1); A pressure gauge (5), the pressure gauge (5) being connected to the front threaded sleeve (2); A connecting pipe (6), the front end of which is provided with a first joint (71), and the rear end of which is connected to the front threaded sleeve (2) via a second joint (72); A bone cement filler, the rear end of which is suitable for connecting to the first joint (71); The stirrer (9) is suitable for being inserted into the outer tube (1) from the front end of the outer tube (1) and is suitable for stirring the bone cement in the outer tube (1).

2. The multifunctional pressure pump according to claim 1, characterized in that: The front threaded sleeve (2) comprises A tube body, the tube body is provided with a front cavity (31), a rear cavity (32) and a connecting cavity (33), the rear cavity (32) is provided with an internal thread, and the rear cavity (32) is connected to the outer tube (1) via the internal thread; The front chamber (31) is a tapered chamber, the connecting chamber (33) is connected to the front chamber (31), an internal thread is arranged in the connecting chamber (33), and the connecting chamber (33) is connected to the pressure gauge (5) via the internal thread.

3. The multifunctional pressure pump according to claim 1, characterized in that: The stirrer (9) comprises A rod body and a stirring head, wherein the stirring head is located at the lower end of the rod body and is fixedly connected to the rod body; The stirring head is provided with a plurality of through holes.

4. The multifunctional pressure pump according to claim 3, characterized in that: The stirring head comprises A connector (91), a ring body (92) and a plurality of ribs (93), wherein the connector (91) is located in the middle of the ring body (92), and the ribs (93) are distributed around the connector (91), and the two ends of the ribs (93) are respectively connected to the ring body (92) and the connector (91), and inner through holes (94) are formed between adjacent ribs (93).

5. The multifunctional pressure pump according to claim 4, characterized in that: The ring body (92) is provided with a plurality of external holes (95) around its periphery.

6. The multifunctional pressure pump according to claim 4, characterized in that: The cross section of the rib (93) is a diamond-shaped structure; The inner wall surface of the ring body (92) is pointed and convex.

7. The multifunctional pressure pump according to claim 1, characterized in that: It also comprises a funnel (10) which is suitable for plugging with the front end of the outer tube (1).