CN220275694U

CN220275694U - Quick extractor for orthopedics broken nails

Info

Publication number: CN220275694U
Application number: CN202321544002.8U
Authority: CN
Inventors: 周帆
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2024-01-02
Anticipated expiration: 2033-06-16

Abstract

The utility model relates to the field of broken nail extractors for orthopaedics and discloses a quick broken nail extractor for orthopaedics, which comprises an operating handle and a clamping assembly, wherein a hammering mechanism is detachably connected above the operating handle, the operating handle comprises a connecting rod, the upper end of the connecting rod is fixedly connected with a handle, the lower end of the connecting rod is fixedly provided with a connecting sleeve, the lower end of the connecting sleeve is fixedly provided with an external thread sleeve, the lower part of the external thread sleeve is provided with a thread sleeve, the upper end of the thread sleeve is fixedly connected with a single-hole plug connector, the clamping assembly comprises an internal thread sleeve, the lower end of the internal thread sleeve is fixedly provided with a connector, one side of the lower end face of the connector is fixedly provided with a fixed chuck, and the other side of the connector is slidably provided with an adjusting chuck. According to the utility model, bone nails of different types can be taken out, the use mode is flexible, each component can be disassembled, the assembly is convenient according to the use requirement, and the cleaning is also convenient.

Description

Quick extractor for orthopedics broken nails

Technical Field

The utility model relates to the field of broken nails extractors for orthopaedics, in particular to a quick broken nails extractor for orthopaedics.

Background

The bone nail is an inactive surgical metal implant for bone joint, and consists of a cortical bone nail and a cancellous bone nail, the type of the bone nail is provided with full threads and half threads, the situation of broken nails is frequently encountered during an orthopedic operation, at the moment, the broken nails are difficult to take out due to the structural limitation of a common screw tool, the bone density of a patient is lower, threads are difficult to form on bones, and the bone nails can not be broken and taken out. In addition, partial bone nails are tightly combined with bone, and the bone nails are easily broken and damaged. At present, when taking out the broken nail in the bone, as the broken nail has a plurality of types, a plurality of tools are needed to be matched for use, and the operation is troublesome. Accordingly, a person skilled in the art provides a quick extractor for broken nails of orthopaedics to solve the problems set forth in the background art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the quick extractor for the broken nails of the orthopaedics, which can take out different types of bone nails when in use, has flexible use mode and comprehensive functions, can be disassembled for each component, is convenient to assemble according to the use requirement, is convenient to clean the effect of each component after being used, and is safer and more sanitary.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a quick extractor of broken nail of orthopedics, includes operating handle and clamping assembly, operating handle's top is connected with hammer action mechanism detachably, operating handle includes the connecting rod, the upper end fixedly connected with handle of connecting rod, the connecting screw has been seted up to the upside of handle, the lower extreme of connecting rod is fixedly provided with the adapter sleeve, the adapter sleeve lower extreme is fixedly provided with the external screw thread cover, the below of external screw thread cover is provided with the screw thread sleeve, screw thread sleeve's upper end fixedly connected with haplopore bayonet joint, haplopore bayonet joint and adapter sleeve fixed connection;

the clamping assembly comprises an internal thread sleeve, the internal thread sleeve is sleeved with an external thread sleeve, a connector is fixedly arranged at the lower end of the internal thread sleeve, a fixed chuck is fixedly arranged at one side of the lower end face of the connector, and an adjusting chuck is slidably arranged at the other side of the connector;

through above-mentioned technical scheme, can be through the one end centre gripping of the regulation chuck of clamping component and fixed chuck with broken nail to pull out, also can use screw sleeve and broken nail's screw-thread fit, screw out broken screw nail, be convenient for take out broken nail of different grade type, the clamping component and hammer mechanism and screw sleeve homoenergetic of putting can be dismantled, be convenient for assemble according to the user demand, convenient to use is nimble, also is convenient for carry out effect cleaning to each subassembly after the use simultaneously, safety and sanitation more.

Further, the hammer mechanism comprises a slide bar, a hammer sleeve is sleeved at the outer end of the slide bar in a sliding manner, a handle is fixedly connected to one side of the hammer sleeve, a connecting stud is fixedly arranged at the lower end of the slide bar, and the connecting stud can be sleeved with the connecting screw hole;

through above-mentioned technical scheme, when using, cup joint connecting stud and connecting screw, accomplish the installation, grip handle drives the hammer sleeve and hammers back and forth the stopper when drawing the nail, utilizes impact force and the vibration that produce to pull out the nail, owing to there is the restriction of slide bar for the hammer sleeve can be stable motion, can guarantee that the direction of force is correct.

Further, a blocking head is fixedly arranged at the upper end of the sliding rod, and a through hole is formed in one side of the hammer sleeve;

through above-mentioned technical scheme, the fender head that sets up is used for producing impact force with hammer sleeve cooperation, and the diameter of opening slightly is greater than the diameter of slide bar, the hammer sleeve of being convenient for with the installation of slide bar and dismantlement.

Further, a guide groove is formed in the inner side of the connector, a guide block is fixedly connected to the lower end of the adjusting chuck, the guide block is in sliding connection with the guide groove, and a screw sleeved with the guide block is rotatably connected to the inside of the guide groove;

through the technical scheme, when the clamping device is used, the rotating screw drives the guide block to move along the guide groove, so that the adjusting chuck is driven to move and is matched with the fixed chuck to clamp.

Further, the outer side of the connector is rotationally connected with a rotating rod, and the rotating rod is fixedly connected with a screw rod;

through above-mentioned technical scheme, when using, thereby drive the screw rod rotation through holding the bull stick rotation.

Further, through holes are formed in two sides of the connecting sleeve, and the single-hole plug is aligned with the through hole sites and fixedly connected with the through hole sites through bolts;

through above-mentioned technical scheme, single hole bayonet joint passes through bolted connection with the adapter sleeve, and the connection is firm, is difficult for rocking when screwing out cracked bone nail, can be with single hole bayonet joint unblock after the nut with the bolt is dismantled to dismantle the screw thread sleeve, be convenient for change and disinfection washs.

Further, anti-skid concave patterns are arranged on one side of the fixed chuck and one side of the adjusting chuck;

through the technical scheme, the roughness of the clamping contact surface enhanced by the anti-slip concave patterns is improved, so that the friction force during clamping is improved, the clamping stability is enhanced, and sliding is not easy to occur during clamping.

Further, the connecting rod and the axis of the internally threaded sleeve are positioned on the same straight line;

through above-mentioned technical scheme, the connecting rod and the internal thread sleeve pipe that the axis is located on same straight line are convenient for medical personnel's operation more.

The utility model has the following beneficial effects:

1. according to the orthopaedics broken nail quick extractor, the clamping assembly and the internal thread sleeve are arranged, so that when the broken nail quick extractor is used, one end of a broken nail can be clamped through the adjusting chuck and the fixing chuck of the clamping assembly, and therefore the broken nail is pulled out, and broken thread bone nails can be screwed out by using the thread sleeve to be matched with threads of the broken nail, so that the broken nail quick extractor is flexible in use mode and comprehensive in function.

2. According to the quick extractor for broken nails in orthopaedics, the hammer mechanism is arranged, so that when the broken nails are screwed out by using the clamping assembly, the grip can be held to drive the hammer sleeve to repeatedly hammer the stopper, the nails are pulled out by utilizing the generated impact force and vibration, the hammer sleeve can stably move due to the limitation of the sliding rod, the direction of the force is ensured to be correct, and the situation that the force is used for being excessively large when the force is directly pulled out can be avoided, and the clamping part suddenly falls off, so that secondary damage to bones is caused.

3. The quick broken nail extractor for orthopaedics provided by the utility model has the advantages that when the quick broken nail extractor is used, the clamping assembly, the hammering mechanism and the threaded sleeve can be detached, so that the quick broken nail extractor is convenient and flexible to use, and meanwhile, the effect of cleaning each assembly after use is convenient, so that the quick broken nail extractor is safer and more sanitary.

Drawings

FIG. 1 is a perspective view of an orthopaedics broken nail quick extractor according to the present utility model;

FIG. 2 is a disassembled view of the quick extractor for orthopaedics broken nails provided by the utility model;

FIG. 3 is a connecting structure diagram of a threaded sleeve of the quick extractor for orthopaedics broken nails;

fig. 4 is an internal structural view of a connector of the quick extractor for orthopaedics broken nails provided by the utility model;

fig. 5 is a block diagram of a hammer mechanism of the quick extractor for orthopaedics broken nails.

Legend description:

1. an operation handle; 101. a connecting rod; 102. a handle; 103. a connecting screw hole; 2. a clamping assembly; 201. an internally threaded sleeve; 202. a connector; 203. fixing a chuck; 204. adjusting the chuck; 205. a rotating rod; 206. a guide groove; 207. a screw; 208. a guide block; 209. anti-slip recessed patterns; 3. a hammer mechanism; 301. a slide bar; 302. a blocking head; 303. a connecting stud; 304. a hammer sleeve; 305. a grip; 306. a through port; 4. connecting sleeves; 5. a through hole; 6. an external thread sleeve; 7. a threaded sleeve; 8. a single hole plug; 9. and (5) a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, one embodiment provided by the present utility model is: the utility model provides a quick extractor of broken nail of orthopedics, including operating handle 1 and clamping assembly 2, operating handle 1's top is dismantled and is connected with hammer mechanism 3, operating handle 1 includes connecting rod 101, connecting rod 101's upper end fixedly connected with handle 102, connecting screw 103 has been seted up to handle 102's upside, connecting rod 101's lower extreme is fixedly provided with adapter sleeve 4, adapter sleeve 4 lower extreme is fixedly provided with external screw thread bush 6, the below of external screw thread bush 6 is provided with screw thread sleeve 7, screw thread sleeve 7's upper end fixedly connected with haplopore bayonet joint 8, haplopore bayonet joint 8 and adapter sleeve 4 fixed connection.

The clamping assembly 2 comprises an internal thread sleeve 201, the internal thread sleeve 201 is sleeved with the external thread sleeve 6, a connector 202 is fixedly arranged at the lower end of the internal thread sleeve 201, a fixed chuck 203 is fixedly arranged at one side of the lower end face of the connector 202, and an adjusting chuck 204 is slidably arranged at the other side of the connector 202.

The hammering mechanism 3 comprises a sliding rod 301, a hammering sleeve 304 is arranged at the outer end of the sliding rod 301 in a sliding sleeve manner, a grip 305 is fixedly connected to one side of the hammering sleeve 304, a connecting stud 303 is fixedly arranged at the lower end of the sliding rod 301, the connecting stud 303 can be sleeved with the connecting screw hole 103, when the hammering mechanism is used, the connecting stud 303 is sleeved with the connecting screw hole 103 to complete installation, the grip 305 is held to drive the hammering sleeve 304 to repeatedly hammer the blocking head 302 when the hammering is completed, the hammering is performed by utilizing the generated impact force vibration, and the hammering sleeve 304 can stably move due to the limitation of the sliding rod 301, so that the direction of force can be ensured to be correct.

The upper end of the slide rod 301 is fixedly provided with a blocking head 302, one side of the hammer sleeve 304 is provided with a through hole 306, the blocking head 302 is used for generating impact force by being matched with the hammer sleeve 304, and the diameter of the through hole 306 is slightly larger than that of the slide rod 301, so that the hammer sleeve 304 and the slide rod 301 can be conveniently assembled and disassembled.

The guide slot 206 has been seted up to the inboard of connector 202, and the lower extreme fixedly connected with guide block 208 of adjusting chuck 204, guide block 208 and guide slot 206 sliding connection, the inside rotation of guide slot 206 is connected with the screw rod 207 that cup joints with guide block 208, and during the use, rotation screw rod 207 drives guide block 208 along guide slot 206 to drive adjusting chuck 204 motion, cooperate with fixed chuck 203 and carry out the centre gripping.

The outside rotation of connector 202 is connected with bull stick 205, bull stick 205 and screw rod 207 fixed connection, when using, thereby through holding bull stick 205 rotation drive screw rod 207 rotation.

Through holes 5 are formed in two sides of the connecting sleeve 4, the single-hole plug 8 is aligned with the through holes 5 and fixedly connected with the through holes through bolts 9, the single-hole plug 8 is connected with the connecting sleeve 4 through the bolts 9, the connection is stable, the connecting sleeve is not easy to shake when broken bone nails are screwed out, the single-hole plug 8 can be unlocked after nuts of the bolts 9 are disassembled, and therefore the threaded sleeve 7 is disassembled, and replacement, disinfection and cleaning are facilitated.

The fixed chuck 203 and one side of the adjusting chuck 204 are provided with anti-slip concave patterns 209, and the roughness of the clamping contact surface enhanced by the anti-slip concave patterns 209 is improved, so that the friction force during clamping is improved, the clamping stability is enhanced, and sliding is not easy to occur during clamping.

The axes of the connecting rod 101 and the internal thread sleeve 201 are positioned on the same straight line, and the connecting rod 101 and the internal thread sleeve 201 with the axes positioned on the same straight line are more convenient for the medical staff to operate.

Working principle: when the screw is used, if the broken screw is free of threads or loose, bone tissues at the broken end are removed firstly, the screw rod 207 is driven to rotate through the rotating rod 205, the adjusting chuck 204 is driven to move, the broken end is stably clamped through the matching of the adjusting chuck 204 and the fixing chuck 203, then the holding handle 305 drives the hammer sleeve 304 to repeatedly hammer the stop head 302, the generated impact force and vibration are utilized for drawing the screw, if the broken bone screw is a screw type, the bone tissues at the broken end are drilled firstly, a connecting space is reserved, then the internal thread sleeve 201 is disassembled, the thread sleeve 7 is exposed, the holding handle 102 is screwed down by the matching of the internal thread of the thread sleeve 7 and the broken screw, and the screw is screwed out with upward force after screwing, so that the broken screw is taken out.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a quick extractor of broken nail of orthopedics, includes operating handle (1) and clamping component (2), its characterized in that: the automatic hammer control device is characterized in that a hammer mechanism (3) is detachably connected to the upper portion of the operating handle (1), the operating handle (1) comprises a connecting rod (101), a handle (102) is fixedly connected to the upper end of the connecting rod (101), a connecting screw hole (103) is formed in the upper side of the handle (102), a connecting sleeve (4) is fixedly arranged at the lower end of the connecting rod (101), an external thread sleeve (6) is fixedly arranged at the lower end of the connecting sleeve (4), a thread sleeve (7) is arranged below the external thread sleeve (6), a single-hole plug connector (8) is fixedly connected to the upper end of the thread sleeve (7), and the single-hole plug connector (8) is fixedly connected with the connecting sleeve (4);

the clamping assembly (2) comprises an inner threaded sleeve (201), the inner threaded sleeve (201) is sleeved with an outer threaded sleeve (6), a connector (202) is fixedly arranged at the lower end of the inner threaded sleeve (201), a fixed chuck (203) is fixedly arranged on one side of the lower end face of the connector (202), and an adjusting chuck (204) is slidably arranged on the other side of the connector (202).

2. The quick extractor for orthopedic broken nails according to claim 1, wherein: the hammer mechanism (3) comprises a slide rod (301), a hammer sleeve (304) is sleeved at the outer end of the slide rod (301) in a sliding mode, a grip (305) is fixedly connected to one side of the hammer sleeve (304), a connecting stud (303) is fixedly arranged at the lower end of the slide rod (301), and the connecting stud (303) can be sleeved with the connecting screw hole (103).

3. The quick extractor for orthopedic broken nails according to claim 2, wherein: the upper end of the sliding rod (301) is fixedly provided with a blocking head (302), and one side of the hammer sleeve (304) is provided with a through hole (306).

4. The quick extractor for orthopedic broken nails according to claim 1, wherein: guide slots (206) are formed in the inner side of the connecting head (202), guide blocks (208) are fixedly connected to the lower ends of the adjusting chucks (204), the guide blocks (208) are slidably connected with the guide slots (206), and screw rods (207) sleeved with the guide blocks (208) are rotatably connected to the inner portions of the guide slots (206).

5. The quick extractor for orthopedic broken nails according to claim 4, wherein: the outside rotation of connector (202) is connected with bull stick (205), bull stick (205) and screw rod (207) fixed connection.

6. The quick extractor for orthopedic broken nails according to claim 1, wherein: through holes (5) are formed in two sides of the connecting sleeve (4), and the single-hole plug connector (8) is aligned with the holes of the through holes (5) and fixedly connected with the through holes through bolts (9).

7. The quick extractor for orthopedic broken nails according to claim 1, wherein: and anti-slip concave patterns (209) are arranged on one side of the fixed chuck (203) and one side of the adjusting chuck (204).

8. The quick extractor for orthopedic broken nails according to claim 1, wherein: the connecting rod (101) and the axis of the internally threaded sleeve (201) are positioned on the same straight line.