Bone traction needle suite

By designing a detachable needle, a rotatable connecting sleeve, and an adjustable traction frame, the problems of needle tip scratches and size fixation in bone traction needles have been solved, enabling safe and convenient bone traction operations.

CN223900833UActive Publication Date: 2026-02-13卢仲琳
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Patent Information

Application Number
CN202423072484.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2026-02-13
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

The exposed needle tip of existing bone traction pins is prone to causing scratches, and the fixed size of the frame-type traction bow makes installation inconvenient.

Method used

A bone traction needle kit was designed, including a detachable needle, a rotatable connecting sleeve, and a detachable traction frame. The needle can be detached and installed, and the sliding kit can be adjusted, through threaded connection and locking bolt, ensuring safe and convenient operation.

Benefits of technology

This avoids the risk of needle cuts, enables convenient needle installation and flexible adjustment of the traction frame, and improves the safety and convenience of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of orthopedic appliances, and discloses a bone traction needle suite which comprises a needle body part, a connecting sleeve seat part and a traction frame part, needle heads are detachably installed at the two ends of a needle rod, when inserted into a bone, the needle heads are installed at the two ends of the needle rod, after the needle heads are inserted, the needle heads are detached from the needle rod, the pointed end does not need to be covered and protected, operation is convenient, and time and labor are saved. Meanwhile, the traction frame part is detachably inserted into the insertion seat part, the insertion seat part is rotatably connected with the sliding sleeve parts, and the sliding sleeve parts movably sleeve the needle rod, so that the distance between the sliding sleeve parts at the two ends can be adjusted according to the use size during use; after the sliding sleeve piece is adjusted, the traction frame part is inserted into the socket piece for installation, and installation is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to orthopedic appliance technical field especially is related to a bone traction needle kit. BACKGROUND

[0002] Bone traction needle is a kind of medical instrument frequently used in orthopedic surgery, is often used in bone traction surgery, helps the joint of dislocation or malposition fracture reduction, in the surgical process, bone traction needle is worn into bone, and the both ends of bone traction needle will be stretched out in the outside of skeleton, facilitate traction operation, after fracture site recovery, bone traction needle is pulled out again.

[0003] The needle head of the both ends of the existing bone traction needle exposes and causes scratch when using, the both ends of the bone round needle currently all want doctor to find an antibiotic bottle and be covered on it, there is inconvenience, and the size of the traction bow of frame type structure is fixed, when being installed on bone round needle, inconvenient operation is needed, and a bone traction needle kit is needed urgently. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of bone traction needle kit, to solve the needle head of both ends in prior art exposes and causes scratch, and the size of the traction bow of frame type structure is fixed, when being installed on bone round needle, inconvenient operation problem.

[0005] The technical problem solved by the utility model is realized using the following technical scheme:

[0006] A kind of bone traction needle kit, comprising:

[0007] Needle body part, the needle body part includes needle stem and the needle head of detachable installation in the both ends of the needle stem;

[0008] Connecting sleeve base part, the connecting sleeve base part includes sliding kit and rotatable connection installation on the socket piece of sliding kit;

[0009] Traction frame part, the traction frame part is detachably inserted and installed in the socket piece.

[0010] In a specific embodiment, the both ends of the needle stem are provided with threaded hole, and the middle of the needle stem is provided with friction thread.

[0011] In a specific embodiment, the needle head includes tip head and threaded column fixedly arranged on the tip head, and the threaded column is detachably screwed in the threaded hole.

[0012] In a specific embodiment, the sliding kit includes sleeve for sleeving on the needle stem and first locking bolt screwed on the sleeve, and one end of the sleeve is provided with connecting end head.

[0013] In a specific embodiment, the socket member comprises a groove block and a sleeve ring arranged at one end of the groove block, the sleeve ring is rotatably sleeved on the connecting end head, and a second locking bolt is screw-mounted on the side surface of the groove block.

[0014] In a specific embodiment, the traction frame part comprises a traction plug rod and a connecting column member plug-connected and mounted at one end of the traction plug rod, and the traction plug rod is plug-connected and mounted in the slot of the groove block.

[0015] In a specific embodiment, the connecting column member comprises a long bolt plug-connected on the traction plug rod and a nut screw-mounted on the long bolt.

[0016] The utility model has the beneficial effects that:

[0017] The needle head is detachably mounted at both ends of the needle rod, when inserted into the bone, the needle head is mounted at both ends of the needle rod, after insertion, the needle head is detached from the needle rod, without needing to shield the sharp end, convenient operation, and the risk of scratching is eliminated, meanwhile, the traction frame part is detachably plug-connected and mounted in the socket member, the socket member is rotatably connected with the sliding sleeve member, the sliding sleeve member is movably sleeved on the needle rod, during use, the distance between the two sliding sleeve members can be adjusted according to the size, after the sliding sleeve member is adjusted, the traction frame part is inserted into the socket member for mounting, convenient mounting. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0019] Figure 1 It is the whole structure schematic diagram of the utility model.

[0020] Figure 2 It is the needle body part structure schematic diagram of the utility model.

[0021] Figure 3 It is the connecting sleeve base part and traction frame part structure schematic diagram of the utility model.

[0022] Figure 4 It is Figure 3 The enlarged view of A in the figure.

[0023] In the figure: 100, needle body part; 110, needle rod; 111, threaded hole; 112, friction thread; 120, needle head; 121, tip head; 122, threaded column; 200, connecting sleeve base part; 210, sliding sleeve part; 211, sleeve; 212, first locking bolt; 213, connecting end head; 220, socket part; 300, traction frame part; 310, traction insertion rod; 320, connecting column part; 321, long bolt; 322, nut. DETAILED DESCRIPTION

[0024] For the purpose of making the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present application.

[0025] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present application.

[0026] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0027] In the description of the present application, it should be understood that the terms “center”, “longitudinal”, “transverse”, “length”, “width”, “thickness”, “upper”, “lower”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer”, “clockwise”, “counterclockwise” and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0028] In addition, the terms “first” and “second” are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with “first” and “second” can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of “multiple” is two or more, unless otherwise explicitly and specifically limited.

[0029] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0030] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0031] Reference Figures 1-4 As shown, this utility model provides a bone traction pin kit, comprising:

[0032] The needle body 100 includes a needle bar 110 and detachable needle tips 120 mounted at both ends of the needle bar 110.

[0033] The connecting sleeve portion 200 includes a sliding component 210 and a socket component 220 that is rotatably mounted on the sliding component 210.

[0034] The towing frame 300 is detachably plugged into the socket 220.

[0035] The needle 120 is detachably mounted on both ends of the needle bar 110. When inserted into the bone, the needle 120 is mounted on both ends of the needle bar 110. After insertion, the needle 120 is removed from the needle bar 110. There is no need to cover the tip, making operation convenient and eliminating the risk of scratches. At the same time, the traction frame 300 is detachably inserted into the socket 220. The socket 220 is rotatably connected to the sliding assembly 210. The sliding assembly 210 is movably fitted onto the needle bar 110. During use, the distance between the two sliding assemblies 210 can be adjusted according to the size of the device. After the sliding assembly 210 is adjusted, the traction frame 300 is inserted into the socket 220 for installation, which is convenient.

[0036] As further preferred of the above embodiment, threaded holes 111 are formed at both ends of the needle rod 110, and a friction thread 112 is arranged in the middle of the needle rod 110, which can increase the friction inside the bone and prevent the needle from loosening.

[0037] The needle head 120 comprises a tip head 121 and a threaded column 122 fixedly arranged on the tip head 121, which is detachably screwed in the threaded hole 111.

[0038] As further preferred of the above embodiment, the sliding sleeve assembly 210 comprises a sleeve 211 for sleeving on the needle rod 110 and a first locking bolt 212 screwed on the sleeve 211, and one end of the sleeve 211 is provided with a connecting end head 213.

[0039] The socket assembly 220 comprises a groove block 221 and a sleeve ring 222 arranged at one end of the groove block 221, the sleeve ring 222 is rotatably sleeved on the connecting end head 213, and the side surface of the groove block 221 is screwed with a second locking bolt 223.

[0040] As further preferred of the above embodiment, the traction frame part 300 comprises a traction plug rod 310 and a connecting column assembly 320 plug-connected and installed at one end of the traction plug rod 310, and the traction plug rod 310 is plug-connected and installed in the slot of the groove block 221.

[0041] The connecting column assembly 320 comprises a long bolt 321 plug-connected on the traction plug rod 310 and a nut 322 screwed on the long bolt 321.

[0042] In use, the sleeve 211 is adjusted by moving on the needle rod 110, for example, when used on the lower leg of a patient, the distance between the sleeves 211 is adjusted according to the thickness of the lower leg of the patient, and after adjustment, the position is fixed by tightening the first locking bolt 212, the traction plug rod 310 is inserted into the slot of the groove block 221 and fixedly connected by tightening the second locking bolt 223, and the long bolt 321 plug-connected on the traction plug rod 310 can be connected according to the distance between the traction plug rods 310, and the length is limited by tightening the nut 322 on the long bolt 321 during connection.

[0043] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A skeletal traction pin kit, characterized in that, Include: The needle body (100) includes a needle rod (110) and a detachable needle head (120) mounted on both ends of the needle rod (110); The connecting sleeve part (200) includes a sliding sleeve (210) and a rotatable socket (220) mounted on the sliding sleeve (210); The traction frame part (300) is detachably inserted into the socket (220).

2. A skeletal traction pin set as defined in claim 1, wherein: Both ends of the needle rod (110) are provided with threaded holes (111), and the middle of the needle rod (110) is provided with a friction thread (112).

3. A skeletal traction pin set as defined in claim 2, wherein: The needle head (120) includes a tip head (121) and a threaded column (122) fixedly arranged on the tip head (121), and the threaded column (122) is detachably screwed into the threaded hole (111).

4. A skeletal traction pin set as defined in claim 3, wherein: The sliding sleeve (210) includes a sleeve (211) for sleeving on the needle rod (110) and a first locking bolt (212) screwed on the sleeve (211), and one end of the sleeve (211) is provided with a connecting end head (213).

5. A skeletal traction pin set as defined in claim 4, wherein: The socket (220) includes a groove block (221) and a sleeve ring (222) arranged at one end of the groove block (221), the sleeve ring (222) is rotatably sleeved on the connecting end head (213), and the side surface of the groove block (221) is screwed with a second locking bolt (223).

6. A skeletal traction pin set as defined in claim 5, wherein: The traction frame part (300) includes a traction plug rod (310) and a connecting column (320) inserted into one end of the traction plug rod (310), and the traction plug rod (310) is inserted into the slot of the groove block (221).

7. A skeletal traction pin set as defined in claim 6, wherein: The connecting column (320) includes a long bolt (321) inserted into the traction plug rod (310) and a nut (322) screwed on the long bolt (321).