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CN109998662A - A kind of fracture inner fixing device and its lock - Google Patents

A kind of fracture inner fixing device and its lock Download PDF

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Publication number
CN109998662A
CN109998662A CN201910338765.9A CN201910338765A CN109998662A CN 109998662 A CN109998662 A CN 109998662A CN 201910338765 A CN201910338765 A CN 201910338765A CN 109998662 A CN109998662 A CN 109998662A
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CN
China
Prior art keywords
lock
hole
wire
main body
primary
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Granted
Application number
CN201910338765.9A
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Chinese (zh)
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CN109998662B (en
Inventor
崔俊胜
冯燕妮
田想全
白生录
李子岗
冯华
王继继
郭陇君
苟林龙
闫兴林
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Longxi County Hospital Of Traditional Chinese Medicine
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Longxi County Hospital Of Traditional Chinese Medicine
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Priority to CN201910338765.9A priority Critical patent/CN109998662B/en
Publication of CN109998662A publication Critical patent/CN109998662A/en
Application granted granted Critical
Publication of CN109998662B publication Critical patent/CN109998662B/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/82Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin for bone cerclage
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B2017/564Methods for bone or joint treatment

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention discloses a kind of fracture inner fixing devices, are related to the field of medical instrument technology.The present invention includes the wire for latching main body and surrounding object to be fixed, and lock main body includes setting there are two first lock in primary lock hole and the second lock there are two secondary locking hole is arranged, and the first lock and second are fixedly connected between latching by connector;Wire pre-bending forms bent back portion and two ends, bent back portion are set in snap component, and two ends are each passed through primary lock hole and the pair locking hole of lock main body two sides;Wire crimps connection with the first lock, the second lock.The end of wire of the present invention and bent back portion pass through double-hasp combined locking, the stress of double-hasp junction is greater than the stress of every section of wire, by the way that anti-breaking safety measures are arranged in the junction of double-hasp, to achieve the purpose that preventing mean fracture, reduce the risk that fracture belt carrys out additional injury.

Description

A kind of fracture inner fixing device and its lock
Technical field
The present invention relates to the field of medical instrument technology, especially a kind of fracture inner fixing device and its lock.
Background technique
Wire internal fixation is the common treatment means of fracture, is widely used, four limbs, fracture of acetabulum, joint replacement, outside the heart Section, which opens chest, which repairs breastbone etc., may use wire internal fixation.It, can be with since steel wire has the characteristics that diameter carefully and can bend Artificial tunnel's cerclage or fixation in bone, can effectively keep the reset of certain fracture.The shortcomings that conventional steel wires internal fixation Also fairly obvious, steel wire is easy to be broken because tightening caused by dynamics is excessive or the unsuitable activity in affected part, and steel wire loses fixed function; In the case where fragmenting into several sections, the steel wire of fracture is also possible to dissociate into adjacent tissue, muscle injury and nerve, and operation is taken out Difficulty it is big.
Shown in fig. 1 is a kind of common steel wire lock tightening mode, and the both ends opposite direction of steel wire is pressed from both sides across metallic sheath, and use is dedicated Press Plier by metallic sheath folder connection is crimped with steel wire, to make fixation with steel wire on backbone.In the state that steel wire is tightened, gold The extension line for belonging to the longitudinal axis and steel wire axis of set folder is a certain included angle, this junction that steel wire is pressed from both sides with metallic sheath more holds Easy fracture.Fig. 2 shows be another common steel wire lock tightening mode, the end of steel wire forms kink by torsion, to make Fixation with steel wire is on backbone.This locking mode still remains high risk of breakage, and shape of twisting together is more difficult to control, is easy thorn Swash the tissue around affected part, causes the discomfort of patient.
Summary of the invention
Goal of the invention of the invention is: aiming at the problem that steel wire easy fracture is used in existing interior fixation, the present invention provides one kind Fracture inner fixing device and its lock, wire pre-bending form the bifilar structure fixed in parallel, the end of wire and back bending By double-hasp combined locking, the stress of double-hasp junction is greater than the stress of every section of wire in portion, passes through the company in double-hasp It meets place and anti-breaking safety measures is set, to achieve the purpose that preventing mean fracture, reduce the risk that fracture belt carrys out additional injury.
The technical solution adopted by the invention is as follows:
Disclosed a kind of fracture inner fixing device according to the present invention, including latching main body and surrounding the wire of object to be fixed, The lock main body includes setting there are two first lock in primary lock hole and the second lock there are two secondary locking hole, institute is arranged It states and is fixedly connected between the first lock and the second lock by connector;The wire pre-bending forms bent back portion and two ends, The bent back portion is set in snap component, and described two ends are each passed through primary lock hole and the pair locking of lock main body two sides Hole;The wire crimps connection with the first lock, the second lock.
Due to above-mentioned setting, bent back portion is set in snap component, and in the state that wire is tightened, bent back portion limit exists In the shrinking zone that snap component is formed, the fixation of bent back portion is formed;Each end, which sequentially passes through, is located at the ipsilateral master of lock main body Locking hole and secondary locking hole, and the two crimping is connected by dedicated Press Plier, form the fixation of two ends.Due to bent back portion Two sections of wires disposed in parallel are formed between two ends latches main body so that the stress of wire entirety more balances Longitudinal axis can allow wire to bear bigger pulling force always with the extended line keeping parallelism of wire axis, even if single One metal wire fracture, nor affects on the fixed function of device entirety;There is dual anti-breaking guarantor between first lock and the second lock Dangerous measure, entire fracture are on connector, even if occurring in snap component with the maximum position of tensile stress on inner fixing device Under the extreme case of fracture, that section of wire that two ends are located between primary lock hole and secondary locking hole can bear first Connection function between lock and the second lock, anti-locking apparatus are integrally broken.
Further, the wire includes the main paragraph tightened on object to be fixed and locks positioned at primary lock hole and pair Adjusting section between hole, the adjusting section rate of tension are less than main paragraph.
Due to above-mentioned setting, wire, which winds object tension to be fixed, easily leads to wire breakage, therefore fractures in installation When with inner fixing device, tractor draws back bending end around after object to be fixed, and back bending end cap is located on connector, is synchronized at this time Pullling two ends tightens wire, first with the first lock of Press Plier pressing, forms the first lock and wire stable Connection structure suitably presses the second lock behind two ends of relaxation again, the second lock and wire is made to form stable connection knot Structure.When wire tension causes connector to be broken, the adjusting section that rate of tension is less than main paragraph can moderately relax wire, drop The low risk being broken again.
Further, for make across lock main body two sections of wires keeping parallelism as far as possible, described two primary lock holes edge Longitudinal gap setting is in the first lock;The longitudinally spaced setting of pair locking hole is in the second lock;In addition to limit, main lock Tieholen and secondary locking hole also act as the effect of guiding.It is described to prevent pull wire so as to the tensioning degree that adjusts wire Wire and primary lock hole, secondary locking hole are clearance fit.
Further, it is provided with the via hole extended longitudinally in second lock, the bent back portion passes through via hole and covers It is located on connector.
Due to above-mentioned setting, in the case where snap component is integrally broken, it is understood that there may be snap component stump can not make back Turn of bilge and lock main body keep the hidden danger of connection.Bent back portion passes through via hole and is pressed together in the second lock by Press Plier, makes back Turn of bilge and lock main body connection by snap component fracture do not influenced, be arranged such can further decrease device fracture can It can property.
Disclosed a kind of fracture inner fixing device according to the present invention, including lock main body and around the metal of object to be fixed Thread, the lock main body includes setting there are two first lock in primary lock hole and the second lock there are two secondary locking hole is arranged Button is separated or is connected by snap component between first lock and the second lock;The wire pre-bending forms back bending Portion and two ends, described two ends are each passed through primary lock hole and the pair locking hole of lock main body two sides, the bent back portion It is set in snap component;The wire crimps connection with the first lock, the second lock.
Due to above-mentioned setting, latches main body and be set as detachable two-part structure, the difficulty of surgical procedure can be reduced.
Further, the via hole extended longitudinally is provided in the second lock, the bent back portion passes through via hole and is set in In snap component.
Further, the lock main body has connection status and discrete state;In connected state, first lock Gap is formed between the side being attached with the second lock by snap component.
Due to above-mentioned setting, in order to facilitate the installation of, lock main body is set as detachable two-part structure, before installation, lock Button main body is discrete state, and after installing on object to be fixed, lock main body is connection status, under connection status, the first lock and the Gap between two locks is the rate of tension reserved space for adjusting wire between the two.
Further, the wire includes the main paragraph tightened on object to be fixed and locks positioned at primary lock hole and pair Adjusting section between hole, the adjusting section rate of tension are less than main paragraph.
Further, the longitudinally spaced setting in described two primary lock holes is in the first lock;The pair locking hole is along vertical To being arranged at intervals in the second lock;The wire and primary lock hole, secondary locking hole are clearance fit.
Further, second lock periphery is provided with two locating slots of matching wire, and the locating slot is along the The longitudinal direction arrangement of two locks.
Further, the snap component includes being fixed on the hook of the second lock side, is arranged on first lock There is limiting through hole, the hook passes through limiting through hole and is hung on the side wall of the first lock;The hook is along the second lock It is longitudinally arranged;The limiting through hole is longitudinally arranged along the first lock.
Further, the snap component includes the block tongue for being fixed on the second lock side, setting in first lock There is the card slot for limiting card tongue;The block tongue is longitudinally arranged along the second lock;Longitudinal cloth of the card slot along the first lock It sets.
Due to above-mentioned setting, the snap component of two kinds of forms can be such that the first lock and the second lock removably connects It connects, and fast and easy is installed, it is low to the technical requirements of surgical procedure.
Disclosed a kind of lock according to the present invention, including lock main body, the lock main body include the first lock and second Lock, along the setting of its longitudinal gap there are two primary lock hole, second lock is arranged first lock along its longitudinal gap There are two secondary locking hole, first lock is fixedly connected with the second lock by connector.
Further, second lock is provided with the via hole be arranged along its longitudinal direction, and the via hole is located at two secondary lockings Between hole;The connector width is less than the first lock and the second lock;In the via hole or the second lock outside is provided with hook The protrusion of shape.
Disclosed a kind of lock according to the present invention, including lock main body, the lock main body include the first lock and second Lock, along the setting of its longitudinal gap there are two primary lock hole, second lock is arranged first lock along its longitudinal gap There are two secondary locking hole, first lock is attached or is separated by snap component with the second lock.
Further, second lock is provided with the via hole be arranged along its longitudinal direction, and the via hole is located at two secondary lockings Between hole;The connector width is less than the first lock and the second lock.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, fracture inner fixing device of the invention is bifilar wire fixed structure, and stability is high;Wire ends and back bending There are dual anti-breaking safety measures, risk of breakage is low between portion;
2, fracture of the invention is easily installed use with inner fixing device, and the difficulty of surgical procedure is low;
3, fracture inner fixing device of the invention adjusts rate of tension without forming kink on the metal filament, and comfort level is higher than normal Advise fixation with steel wire method.
Detailed description of the invention
Fig. 1 and Fig. 2 is the schematic diagram of two kinds of existing steel wire lock tightening modes;
Fig. 3 is the structural schematic diagram of the lock main body discrete state of fracture inner fixing device in the embodiment of the present invention 1;
Fig. 4 is the structural schematic diagram of the lock main body connection status of fracture inner fixing device in the embodiment of the present invention 1;
Fig. 5 is the structural schematic diagram that main body is latched in the embodiment of the present invention 1;
Fig. 6 is the structural schematic diagram of the lock main body discrete state of fracture inner fixing device in the embodiment of the present invention 1;
Fig. 7 is the structural schematic diagram of the lock main body connection status of fracture inner fixing device in the embodiment of the present invention 1;
Fig. 8 is the structural schematic diagram that main body is latched in the embodiment of the present invention 3;
Fig. 9 is the structural schematic diagram that main body is latched in the embodiment of the present invention 5;
Figure 10 is the structural schematic diagram of fracture inner fixing device in the embodiment of the present invention 6;
Figure 11 is the structural schematic diagram that main body is latched in the embodiment of the present invention 6;
Figure 12 is the structural schematic diagram that main body is latched in the embodiment of the present invention 7;
Marked in the figure: 1- latches main body;2- wire;101- first is latched;102- second is latched;103- primary lock hole;104- Secondary locking hole;105- connector;106- via hole;107- hook;108- limiting through hole;109- block tongue;110- card slot;111- is convex It rises;112- locating slot;The end 201-;202- bent back portion;203- main paragraph;204- adjusts section.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Embodiment 1
A kind of fracture inner fixing device, as shown in Figure 3 and Figure 4, including latching main body 1 and surrounding the wire 2 of object to be fixed, Main body 1 is latched to include setting there are two the second of secondary locking hole 104 there are two first lock 101 in primary lock hole 103 and setting Lock 102 is separated or is connected by snap component between first lock 101 and the second lock 102.Wherein, primary lock hole 103 Longitudinal direction (length direction under lock 1 connection status of main body) along the first lock 101 is arranged, and two primary lock holes 103 Interval setting;Longitudinal direction (the length under lock 1 connection status of main body of secondary locking hole 104 and via hole 106 along the second lock 102 Spend direction) arrangement, and the two secondary interval of locking hole 104 settings;Width (the width under lock 1 connection status of main body of snap component Spend direction) less than the first lock 101 and the second lock 102.
As shown in figure 5, snap component includes being fixed on the hook 107 of 102 side of the second lock, hook 107 is along the second lock The longitudinal direction arrangement of button 102;Limiting through hole 108 is provided on first lock 101, limiting through hole 108 is along the first lock 101 Longitudinal direction (length direction under lock 1 connection status of main body) arrangement;Hook 107 passes through limiting through hole 108 and is hung on the On the side wall of one lock 101.Latching main body 1 has connection status and discrete state;Under discrete state, hook 107 is located at limit Outside the through-hole 108 of position, the first lock 101 is kept completely separate with the second lock 102;In connected state, hook 107 is inserted into limiting through hole In 108,107 front end of hook is hung on the side wall of the first lock 101, so that the first lock 101 and the second lock 102 be made to connect It connects.
2 pre-bending of wire forms bent back portion 202 and two ends 201, bent back portion 202 and two ends 201 pass through lock Main body 1 is attached.Bent back portion 202 is set in hook 107;Wire 2 and primary lock hole 103, secondary locking hole 104 are gap Cooperation, each end 201 are sequentially passed through respectively positioned at ipsilateral primary lock hole 103 and secondary locking hole 104, and two ends 201 are divided 1 two sides of main body Wei Yu not latched.
In the present embodiment, wire 2 include tighten on object to be fixed main paragraph 203 and be located at primary lock hole 103 with Adjusting section 204 between secondary locking hole 104 adjusts 204 rate of tension of section and is less than main paragraph 203.In connected state, the first lock Gap is formed between 101 and 102 side that is attached by snap component of the second lock.Gap can be used for adjusting adjusting section 204 rate of tension.
In the present embodiment, the second 102 peripheries of lock are provided with two locating slots 112 of matching wire 2, locating slot 112 Along the longitudinal direction arrangement of the second lock 102.
Embodiment 2
On the basis of embodiment, further, as shown in Figure 6 and Figure 7, it is additionally provided on the second lock 102 along its longitudinal cloth The via hole 106 set, via hole 106 are located between two secondary locking holes 104;The bent back portion 202 of wire 2 passes through via hole 106 and covers It is located in hook 107.
Embodiment 3
A kind of fracture inner fixing device, structure is similar to Example 1, the difference is that, as shown in figure 8, its buckle group Part includes the block tongue 109 for being fixed on 102 side of the second lock, and block tongue 109 is longitudinally arranged along the second lock 102;First lock The card slot 110 for limiting block tongue 109 is provided in 101, card slot 110 is longitudinally arranged along the first lock 101.
Embodiment 4
On the basis of embodiment 3, further, the via hole 106 be arranged along its longitudinal direction, mistake are additionally provided on the second lock 102 Hole 106 is located between two secondary locking holes 104;The bent back portion 202 of wire 2 passes through via hole 106 and is set on block tongue 109.
Embodiment 5
A kind of fracture inner fixing device, including lock main body 1 and around the wire 2 of object to be fixed, as shown in figure 9, lock There are two first lock 101 in primary lock hole 103 and the second lock there are two secondary locking hole 104 is arranged including setting in main body 1 102, it is fixedly connected between the first lock 101 and the second lock 102 by connector 105.Wherein, primary lock hole 103 is along Longitudinal direction (length direction under lock 1 connection status of main body) arrangement of one lock 101, and two primary lock holes 103 are spaced Setting;Secondary locking hole 104 and via hole 106 are along longitudinal direction (the length side under lock 1 connection status of main body of the second lock 102 To) arrangement, and the two secondary interval of locking hole 104 settings, via hole 106 are located between two secondary locking holes 104;The width of snap component Degree (width direction under lock 1 connection status of main body) is less than the first lock 101 and the second lock 102.
2 pre-bending of wire forms bent back portion 202 and two ends 201, bent back portion 202 and two ends 201 pass through lock Main body 1 is attached.Bent back portion 202 is set on connector 105;Between wire 2 and primary lock hole 103, secondary locking hole 104 are Gap cooperation, each end 201 are sequentially passed through respectively positioned at ipsilateral primary lock hole 103 and secondary locking hole 104, two ends 201 It is located at lock 1 two sides of main body.
In the present embodiment, wire 2 include tighten on object to be fixed main paragraph 203 and be located at primary lock hole 103 with Adjusting section 204 between secondary locking hole 104 adjusts 204 rate of tension of section and is less than main paragraph 203.Second 102 peripheries of lock are provided with Match two locating slots 112 of wire 2, longitudinal direction arrangement of the locating slot 112 along the second lock 102.
In the present embodiment, wire 2 include tighten on object to be fixed main paragraph 203 and be located at primary lock hole 103 with Adjusting section 204 between secondary locking hole 104 adjusts 204 rate of tension of section and is less than main paragraph 203.
Embodiment 6
On the basis of embodiment 5, further, as shown in Figure 10 and Figure 11, it is additionally provided on the second lock 102 along its longitudinal direction The via hole 106 of arrangement, via hole 106 are located between two secondary locking holes 104;The bent back portion 202 of wire 2 passes through via hole 106 simultaneously It is set on connector 105.
Embodiment 7
A kind of fracture inner fixing device, including lock main body 1 and around the wire 2 of object to be fixed, as shown in figure 12, lock There are two first lock 101 in primary lock hole 103 and the second lock there are two secondary locking hole 104 is arranged including setting in main body 1 102, it is fixedly connected between the first lock 101 and the second lock 102 by connector 105, the first 102 and of the 101, second lock of lock Connector 105 is integrally formed.Wherein, 105 width of connector is less than the first lock 101 and the second lock 102.Second lock 102 On be provided with the via hole 106 of perforation, in via hole 106 or the second 102 peripheries of lock are provided with hook-shaped protrusion 111.Wire 2 is pre- At bent back portion 202 and two ends 201, bent back portion 202 passes through via hole 106 and is set in protrusion 111, two ends bending 201 are each passed through the primary lock hole 103 of lock 1 two sides of main body and secondary locking hole 104;Wire 2 and the first lock 101, second 102 crimping connection of lock.
Embodiment 8
A kind of lock, as shown in figure 9, including lock main body 1, lock main body 1 includes the first lock 101 and the second lock 102, the One lock 101 is along the setting of its longitudinal gap there are two primary lock hole 103, and the second lock 102 is along there are two the settings of its longitudinal gap Secondary locking hole 104, the first lock 101 are fixedly connected with the second lock 102 by connector 105.Wherein, 105 width of connector (lock body width direction) is less than the first lock 101 and the second lock 102.
Embodiment 9
On the basis of embodiment 8, further, if the lock of Figure 11 second 102 is provided with the via hole 106 be arranged along its longitudinal direction, Via hole 106 is located between two secondary locking holes 104;
Embodiment 10
On the basis of embodiment 9, further, as in Figure 12 via hole 106 or 102 outside of the second lock be provided with it is hook-shaped convex Play 111.
Embodiment 10
A kind of lock, as shown in figure 5, including lock main body 1, lock main body 1 includes the first lock 101 and the second lock 102, the One lock 101 is along the setting of its longitudinal gap there are two primary lock hole 103, and the second lock 102 is along there are two the settings of its longitudinal gap Secondary locking hole 104, the first lock 101 are attached or are separated by snap component with the second lock 102.Wherein connector 105 Width is less than the first lock 101 and the second lock 102.
In the present embodiment, snap component includes being fixed on the hook 107 of 102 side of the second lock, and hook 107 is along the second lock The longitudinal direction arrangement of button 102;Limiting through hole 108 is provided on first lock 101, limiting through hole 108 is along the first lock 101 Longitudinal direction (length direction under lock 1 connection status of main body) arrangement;Hook 107 passes through limiting through hole 108 and is hung on the On the side wall of one lock 101.
Embodiment 11
A kind of lock, structure is similar to Example 9, and difference is, as shown in figure 8, its snap component includes being fixed on second The block tongue 109 of 102 sides is latched, block tongue 109 is longitudinally arranged along the second lock 102;It is provided in first lock 101 for limiting The card slot 110 of position block tongue 109, card slot 110 are longitudinally arranged along the first lock 101.
Embodiment 12
On the basis of embodiment 10-11, further, the second lock 102 is provided with the via hole 106 be arranged along its longitudinal direction, mistake Hole 106 is located between two secondary locking holes 104.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (10)

1. a kind of fracture inner fixing device, including lock main body (1) and around the wire (2) of object to be fixed, feature exists It include that there are two first locks (101) of primary lock hole (103) and setting to lock there are two secondary for setting in, lock main body (1) Second lock (102) of tieholen (104), it is solid by connector (105) between first lock (101) and the second lock (102) Fixed connection;Wire (2) pre-bending forms bent back portion (202) and two ends (201), the bent back portion (202) are set in In snap component, described two ends (201) are each passed through the primary lock hole (103) and pair locking hole of lock main body (1) two sides (104);The wire (2) crimps connection with the first lock (101), the second lock (102).
2. fracture inner fixing device as described in claim 1, which is characterized in that the wire (2) include tighten in Main paragraph (203) on fixture and the adjusting section (204) between primary lock hole (103) and secondary locking hole (104), it is described It adjusts section (204) rate of tension and is less than main paragraph (203).
3. fracture inner fixing device as described in claim 1, which is characterized in that described two primary lock holes (103) are along vertical It is interior to the first lock (101) is arranged at intervals on;The longitudinally spaced setting of pair locking hole (104) is in the second lock (102); The wire (2) and primary lock hole (103), secondary locking hole (104) are clearance fit.
4. fracture inner fixing device as described in any one of claims 1-3, which is characterized in that second lock (102) It is inside provided with the via hole (106) extended longitudinally, the bent back portion (202) passes through via hole (106) and is set in connector (105) On.
5. a kind of fracture inner fixing device, including lock main body (1) and around the wire (2) of object to be fixed, feature exists It include that there are two first locks (101) of primary lock hole (103) and setting to lock there are two secondary for setting in, lock main body (1) Second lock (102) of tieholen (104) is divided between first lock (101) and the second lock (102) by snap component From or connection;Wire (2) pre-bending forms bent back portion (202) and two ends (201), described two ends (201) point The primary lock hole (103) and secondary locking hole (104), the bent back portion (202) that main body (1) two sides Chuan Guo not latched are set in buckle On component;The wire (2) crimps connection with the first lock (101), the second lock (102).
6. fracture inner fixing device as claimed in claim 2, which is characterized in that be provided in the second lock (102) along vertical To the via hole (106) of extension, the bent back portion (202) passes through via hole (106) and is set in snap component.
7. a kind of lock, it is characterised in that: including latch main body (1), the lock main body (1) include first latch (101) and Second lock (102), there are two primary lock hole (103), second locks along the setting of its longitudinal gap for first lock (101) (102) are detained along the setting of its longitudinal gap there are two secondary locking hole (104), first lock (101) and the second lock (102) are logical Connector (105) is crossed to be fixedly connected.
8. lock as claimed in claim 7, which is characterized in that second lock (102), which is provided with, to be arranged along its longitudinal direction Via hole (106), the via hole (106) are located between two secondary locking holes (104);Connector (105) width is less than first Latch (101) and the second lock (102);Hook-shaped protrusion is provided in the via hole (106) or on the outside of the second lock (102) (111)。
9. a kind of lock, it is characterised in that: including latch main body (1), the lock main body (1) include first latch (101) and Second lock (102), there are two primary lock hole (103), second locks along the setting of its longitudinal gap for first lock (101) (102) are detained along the setting of its longitudinal gap there are two secondary locking hole (104), first lock (101) and the second lock (102) are logical Snap component is crossed to be attached or separate.
10. lock as claimed in claim 9, which is characterized in that second lock (102), which is provided with, to be arranged along its longitudinal direction Via hole (106), the via hole (106) are located between two secondary locking holes (104);Connector (105) width is less than first Latch (101) and the second lock (102).
CN201910338765.9A 2019-04-25 2019-04-25 Internal fixing device for fracture and lock catch thereof Active CN109998662B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910338765.9A CN109998662B (en) 2019-04-25 2019-04-25 Internal fixing device for fracture and lock catch thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910338765.9A CN109998662B (en) 2019-04-25 2019-04-25 Internal fixing device for fracture and lock catch thereof

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CN109998662A true CN109998662A (en) 2019-07-12
CN109998662B CN109998662B (en) 2022-02-01

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CN121313289A (en) * 2025-12-15 2026-01-13 浙江广慈医疗器械有限公司 Titanium alloy wire braid internal fixation device

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CN201602870U (en) * 2010-01-21 2010-10-13 蔡林 Posterior cable internal fixation device for sacroiliac joint dislocation fracture
US20110034928A1 (en) * 2005-10-13 2011-02-10 Alberto Fernandez Cable and Crimp for Bone Surgery
CN104490462A (en) * 2014-12-04 2015-04-08 江苏双羊医疗器械有限公司 Lock catch for locking titanium cable
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Publication number Priority date Publication date Assignee Title
CN2068944U (en) * 1989-04-01 1991-01-09 王书宣 Slipknot of cotton-bale
US20110034928A1 (en) * 2005-10-13 2011-02-10 Alberto Fernandez Cable and Crimp for Bone Surgery
CN201602870U (en) * 2010-01-21 2010-10-13 蔡林 Posterior cable internal fixation device for sacroiliac joint dislocation fracture
US20160346028A1 (en) * 2011-07-21 2016-12-01 Smith & Nephew, Inc. Bone graft placement device
CN104490462A (en) * 2014-12-04 2015-04-08 江苏双羊医疗器械有限公司 Lock catch for locking titanium cable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121313289A (en) * 2025-12-15 2026-01-13 浙江广慈医疗器械有限公司 Titanium alloy wire braid internal fixation device

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