CN210784641U - Multifunctional bone nail wrench - Google Patents

Multifunctional bone nail wrench Download PDF

Info

Publication number
CN210784641U
CN210784641U CN201920750496.2U CN201920750496U CN210784641U CN 210784641 U CN210784641 U CN 210784641U CN 201920750496 U CN201920750496 U CN 201920750496U CN 210784641 U CN210784641 U CN 210784641U
Authority
CN
China
Prior art keywords
wrench
telescopic rod
bone nail
toothed ring
arc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201920750496.2U
Other languages
Chinese (zh)
Inventor
左林
吴珣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Xiongbang Medical Equipment Co ltd
Original Assignee
Changzhou Xiongbang Medical Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changzhou Xiongbang Medical Equipment Co ltd filed Critical Changzhou Xiongbang Medical Equipment Co ltd
Priority to CN201920750496.2U priority Critical patent/CN210784641U/en
Application granted granted Critical
Publication of CN210784641U publication Critical patent/CN210784641U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Surgical Instruments (AREA)

Abstract

The utility model relates to the technical field of bone nail wrenches, in particular to a multifunctional bone nail wrench, which solves the defects of poor fixation and inconvenient force application in the prior art, and comprises a wrench body and bone nails, wherein the interior of the wrench body is sequentially provided with a slotted hole, a circular groove and four through holes, the interior of the circular groove is slidably connected with a rotating toothed ring, the interior of the rotating toothed ring is slidably provided with a telescopic rod, one end of the telescopic rod is fixedly provided with an arc-shaped pressing plate, the top of the telescopic rod is movably hinged with a connecting rod, and the wrench rotates the rotating toothed ring in the circular groove after rotating the adjusting rod through the arrangement of structures such as an adjusting rod, the connecting rod, the circular groove, the rotating toothed ring, the telescopic rod, the arc-shaped pressing plate and the like, drives the telescopic rod to slide in the telescopic groove, compresses and fixes the bone nails through the arc-shaped pressing plate, and can be suitable for bone nails of all sizes, and is convenient to use.

Description

Multifunctional bone nail wrench
Technical Field
The utility model relates to a bone nail spanner technical field especially relates to a multi-functional bone nail spanner.
Background
Bone nails are non-active surgical metal implants for osteosynthesis, consisting of cortical (full and half-threaded) and cancellous (full and half-threaded) bone nails, used in stabilizing new fractures, revision surgeries, arthrodesis, and in reconstructing the ossicles of the foot, ankle and toe. Can be used for adult and pediatric patients.
The spanner that is applied to the bone nail at present adopts traditional fixed mode when using, and the fixity is relatively poor, and when medical personnel used the spanner to pull the bone nail, the application of force was inconvenient, and the medical personnel of being not convenient for operate, influence the efficiency of operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of poor fixation and inconvenient force application in the prior art and providing a multifunctional bone nail wrench.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multifunctional bone nail wrench comprises a wrench body and bone nails, wherein a slotted hole, a circular groove and four through holes are sequentially formed in the wrench body, a rotating toothed ring is slidably connected inside the circular groove, a telescopic rod is slidably arranged inside the rotating toothed ring, an arc-shaped pressing plate is fixedly arranged at one end of the telescopic rod, a connecting rod is movably hinged to the top of the telescopic rod, a connecting block is movably hinged to the other end of the connecting rod, the connecting block is welded to one side of the inner wall of the circular groove, a first supporting block and a second supporting block are sequentially and fixedly arranged on one side of the wrench body, a first bearing is arranged on one side of the first supporting block, an adjusting rod is sleeved inside the first bearing, the adjusting rod is rotatably arranged inside the second supporting block, a second bevel gear is arranged at the other end of the adjusting rod, and the second bevel gear is meshed with the first, one side of the first bevel gear is welded with a transmission screw, and the transmission screw is rotatably arranged inside the wrench body.
Preferably, the number of arc pressure strip sets up to three, and the arc pressure strip with telescopic link structure as an organic whole, the outside of bone nail pastes the tight contact with one side of arc pressure strip.
Preferably, a telescopic groove is formed in the rotating toothed ring, and the telescopic rod is connected with the inside of the telescopic groove in a sliding mode.
Preferably, a round hole is formed in the second supporting block, and the adjusting rod is embedded in the round hole.
Preferably, an inner groove is formed in one side of the wrench body, a second bearing is installed inside the inner groove, one end of the transmission screw rod is sleeved inside the second bearing, and the transmission screw rod is meshed with the rotating toothed ring.
Preferably, a movable groove is formed in one side of the inner groove, and the rotating toothed ring penetrates through the inner part of the movable groove.
The utility model has the advantages that:
1. the utility model discloses in through the setting of adjusting pole, connecting rod, circular slot, rotation ring gear, telescopic link, arc pressure strip isotructure, this spanner is rotating after adjusting the pole, makes the inside rotation ring gear of circular slot rotate, and drive telescopic link slides in the inside in flexible groove, and the arc pressure strip through forming the triangular structure compresses tightly the bone nail fixedly, and the fixity is stronger, and applicable in the bone nail of all sizes, convenient to use.
2. The utility model discloses in through the setting of slotted hole, through-hole isotructure, seted up the slotted hole on the spanner, the holistic weight of spanner is lighter, and when rotating, the inside of through-hole can be gone into to four fingers of personnel, makes things convenient for the medical staff application of force, has ensured the operation progress moreover.
Drawings
Fig. 1 is a schematic structural view of a multifunctional bone nail wrench according to the present invention;
fig. 2 is a partial top view of the multifunctional bone nail wrench of the present invention;
fig. 3 is an enlarged view of the mark a of the multifunctional bone nail wrench provided by the present invention.
In the figure: the wrench comprises a wrench body 1, a slotted hole 2, a first supporting block 3, a second supporting block 4, an adjusting rod 5, a circular groove 6, a connecting block 7, a connecting rod 8, a telescopic groove 9, a telescopic rod 10, an arc-shaped pressing plate 11, a rotating toothed ring 12, a first bevel gear 13, a second bevel gear 14, a first bearing 15, a transmission screw 16, a through hole 17, a bone nail 18, an inner groove 19, a second bearing 20 and a movable groove 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a multifunctional bone nail wrench comprises a wrench body 1 and bone nails 18, wherein a slot hole 2, a circular groove 6 and four through holes 17 are sequentially formed in the wrench body 1, the wrench is provided with the slot hole 2 through the arrangement of the slot hole 2, the through holes 17 and other structures, the overall weight of the wrench is light, and when the wrench is rotated, four fingers of a person can be clamped into the through holes 17, so that the force application of medical personnel is facilitated, the operation progress is ensured, a rotating toothed ring 12 is slidably connected to the inside of the circular groove 6, a telescopic groove 9 is formed in the inside of the rotating toothed ring 12, the telescopic rod 10 is slidably connected with the inside of the telescopic groove 9, a telescopic rod 10 is slidably arranged in the inside of the rotating toothed ring 12, an arc-shaped pressing plate 11 is fixedly arranged at one end of the telescopic rod 10, the number of the arc-shaped pressing plates 11 is three, the outer side of the bone nail 18 is closely contacted with one side of the arc-shaped pressing plate 11, the top of the telescopic rod 10 is movably hinged with a connecting rod 8, the other end of the connecting rod 8 is movably hinged with a connecting block 7, the connecting block 7 is welded on one side of the inner wall of the circular groove 6, one side of the wrench body 1 is sequentially and fixedly provided with a first supporting block 3 and a second supporting block 4, the inside of the second supporting block 4 is provided with a circular hole, the adjusting rod 5 is embedded in the circular hole, the rotating toothed ring 12 in the circular groove 6 is rotated after the adjusting rod 5 is rotated, the telescopic rod 10 is driven to slide in the telescopic groove 9, the bone nail 18 is pressed and fixed through the arc-shaped pressing plate 11 which forms a triangular structure, the fixing performance is strong, the wrench is suitable for the bone nails 18 of all sizes, and the use is convenient, a first bearing 15 is installed on one side of the first supporting block 3, an adjusting rod 5 is sleeved inside the first bearing 15, the adjusting rod 5 is rotatably installed inside the second supporting block 4, a second bevel gear 14 is installed at the other end of the adjusting rod 5, the second bevel gear 14 is connected with a first bevel gear 13 in a meshed mode, a transmission screw 16 is welded on one side of the first bevel gear 13, the transmission screw 16 is rotatably installed inside the wrench body 1, an inner groove 19 is formed in one side of the wrench body 1, a second bearing 20 is installed inside the inner groove 19, one end of the transmission screw 16 is sleeved inside the second bearing 20, the transmission screw 16 is connected with a rotating toothed ring 12 in a meshed mode, a movable groove 21 is formed in one side of the inner groove 19, and the rotating toothed ring 12 penetrates through the movable groove.
In this embodiment, when in use, the bone nail 18 is inserted into the circular groove 6, according to the size of the bone nail 18, a person rotates the adjusting rod 5, the adjusting rod 5 rotates inside the second supporting block 4, one end of the adjusting rod 5 rotates inside the first bearing 15, so that the second bevel gear 14 rotates to drive the first bevel gear 13 and the transmission screw 16 to rotate simultaneously, the transmission screw 16 rotates the rotating toothed ring 12, and after the rotating toothed ring 12 rotates, the telescopic rod 10 and one end of the connecting rod 8 connected with the rotating toothed ring rotate, so that the telescopic rod 10 is pushed by the connecting rod 8 to slide inside the telescopic rod 9, and after the adjustment is completed, the bone nail 18 is firmly pressed and fixed through the triangular structure of the arc pressing plate 11;
further, when compressing tightly bone nail 18, medical personnel can grasp the handle department of spanner body 1, and four fingers can stretch into the inside of through-hole 17, can conveniently carry out the application of force, owing to seted up slotted hole 2, spanner body 1's weight is lighter moreover, and it is also more convenient to use.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The multifunctional bone nail wrench comprises a wrench body (1) and bone nails (18), and is characterized in that a slotted hole (2), a circular groove (6) and four through holes (17) are sequentially formed in the wrench body (1), a rotating toothed ring (12) is connected to the inside of the circular groove (6) in a sliding manner, a telescopic rod (10) is arranged in the rotating toothed ring (12) in a sliding manner, an arc-shaped pressing plate (11) is fixedly arranged at one end of the telescopic rod (10), a connecting rod (8) is movably hinged to the top of the telescopic rod (10), a connecting block (7) is movably hinged to the other end of the connecting rod (8), the connecting block (7) is welded to one side of the inner wall of the circular groove (6), a first supporting block (3) and a second supporting block (4) are sequentially and fixedly arranged on one side of the wrench body (1), a first bearing (15) is installed on one side of the first supporting block (3), the inside cover of first bearing (15) is equipped with adjusts pole (5), it installs to adjust pole (5) rotation the inside of second supporting shoe (4), and adjusts the other end of pole (5) and has installed second bevel gear (14), and second bevel gear (14) meshing is connected with first bevel gear (13), one side welding of first bevel gear (13) has drive screw (16), drive screw (16) rotate to be installed the inside of spanner body (1).
2. The multifunctional bone nail wrench as claimed in claim 1, wherein the number of the arc-shaped pressing plates (11) is three, the arc-shaped pressing plates (11) and the telescopic rod (10) are of an integral structure, and the outer side of the bone nail (18) is in close contact with one side of the arc-shaped pressing plates (11).
3. The multifunctional bone nail wrench as claimed in claim 1, wherein the rotating toothed ring (12) is provided with a telescopic slot (9) therein, and the telescopic rod (10) is slidably connected with the inside of the telescopic slot (9).
4. The multifunctional bone nail wrench as claimed in claim 1, wherein a circular hole is formed in the second supporting block (4), and the adjusting rod (5) is embedded in the circular hole.
5. The multifunctional bone nail wrench as claimed in claim 1, wherein an inner groove (19) is formed in one side of the wrench body (1), a second bearing (20) is installed inside the inner groove (19), one end of the transmission screw (16) is sleeved inside the second bearing (20), and the transmission screw (16) is meshed with the rotating toothed ring (12).
6. The multi-functional bone screw wrench according to claim 5, wherein the inner groove (19) is formed with a movable groove (21) at one side thereof, and the rotary ring gear (12) passes through the inside of the movable groove (21).
CN201920750496.2U 2019-05-23 2019-05-23 Multifunctional bone nail wrench Active CN210784641U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920750496.2U CN210784641U (en) 2019-05-23 2019-05-23 Multifunctional bone nail wrench

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920750496.2U CN210784641U (en) 2019-05-23 2019-05-23 Multifunctional bone nail wrench

Publications (1)

Publication Number Publication Date
CN210784641U true CN210784641U (en) 2020-06-19

Family

ID=71233419

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920750496.2U Active CN210784641U (en) 2019-05-23 2019-05-23 Multifunctional bone nail wrench

Country Status (1)

Country Link
CN (1) CN210784641U (en)

Similar Documents

Publication Publication Date Title
CN105596040B (en) TLIF operation path intervertebral opening devices
CN205094572U (en) Nail -fetching device for orthopaedics
CN210784641U (en) Multifunctional bone nail wrench
CN204995561U (en) Combined type external fixation support
CN213883455U (en) Auxiliary positioning device for nail taking in orthopedics department
CN108784822B (en) Clamp device for taking out intrabony screw from spine
CN206482649U (en) A kind of fracture reduction fixing clamp
CN209863951U (en) Trepan for orthopedics
CN208625834U (en) A kind of adjustable double flute internal fixation device of spine and bone screws
CN108836510B (en) Based on arm bone surgery positioning device
CN214017885U (en) Oral cavity maxillofacial surgery struts ware
CN212213978U (en) Orthopedics postoperative care shank mount
CN109549696A (en) A kind of adjustable double flute internal fixation device of spine and bone screws
CN211723401U (en) Orthopedics nail taking device
CN205988308U (en) A kind of Multifunctional operation nursing pincers
CN219782877U (en) Joint fixing frame
CN105496486B (en) A kind of stapler with drive adjusting device
CN207041505U (en) A kind of shoulder joint mirror positioning dilator
CN110584747A (en) Clinical special episome remove device of orthopedics
CN206745396U (en) Extension fixture
CN221060741U (en) Soft tissue opening forceps
CN215688352U (en) Fracture reduction forceps for orthopedics and traumatology
CN205268268U (en) Auxiliary devices of ordinary vertebral arch nail usefulness is put into to percutaneous wicresoft technique
CN108478239A (en) A kind of department of stomatology inspection pressure tongue device
CN2686544Y (en) Dual-nail fracture resetting forceps

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant