CN103919596B - A kind of detachable rifle formula fracture reposition instrument - Google Patents
A kind of detachable rifle formula fracture reposition instrument Download PDFInfo
- Publication number
- CN103919596B CN103919596B CN201410141640.4A CN201410141640A CN103919596B CN 103919596 B CN103919596 B CN 103919596B CN 201410141640 A CN201410141640 A CN 201410141640A CN 103919596 B CN103919596 B CN 103919596B
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- groove
- trigger
- pressing plate
- type pressing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B17/2909—Handles
- A61B2017/2925—Pistol grips
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (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)
Abstract
The invention discloses a kind of detachable rifle formula fracture reposition instrument, comprise rifle formula main body, steel-wire inducer and pushing ram, rifle formula main body comprises sleeve, handle and trigger-type pressing plate, and pushing ram runs through and is installed in sleeve, pushing ram under trigger-type pressing plate function along sleeve to front slide; Wire introducer comprises the first draw-in groove and the second draw-in groove, and both cooperatively interact and clamp fracture site, and handle and trigger-type pressing plate mutually intersect and be assembled together as rotating shaft using crosspoint. The present invention is based on the principle of " determining a plane at 3 ", guarantee that the first draw-in groove and the second draw-in groove accurately dock, and avoid both to misplace; Utilize and advance gradually the principle of pressurization that fracture, bone fracture location are resetted, reset force is accurately balanced, resets reliable, is difficult for loosening; Pushing ram front end is provided with steel-wire inducer, is applied to Minimally Invasive Surgery, does not need to strip off periosteum and just steel wire can be passed, and reduces or avoids patient's Local Gravity And to want the generation of the excessive and various complication of vascular tissue injury, time saving and energy saving.
Description
Technical field
The present invention relates to a kind of bone surgery instrument, be specifically related to a kind of detachable rifle formula fracture reposition instrument.
Background technology
Fracture is one of common disease frequently-occurring disease in clinical position. At present, to the disease of human limb fracture, bone fracture, adopt fixator to fix more. When bone surgery, reset, locate with restorer, then by screw or pilot pin, fixator or fractured bone are fixed. Existing limbs fracture restorer comprises sleeve, active propulsion bar, passive pushing ram, pressurization reseting plate, two-way hook etc. mostly, its complex structure, and it is inconvenient that operation is used, and locates, resets and be unreliable, easily loosening, carrying out and the surgical effect of impact operation. After fracture reposition instrument, also need to change operation tool using, use wire introducer to be wound around fracture site, incur loss through delay operating time.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention proposes a kind of detachable rifle formula fracture reposition instrument, simple in structure, convenient disassembly, use easy to operately, utilize and advance gradually the principle of pressurization that fracture, bone fracture location are resetted, reset force is balanced accurately, reset reliable, be difficult for loosening.
Technical scheme: for solving the problems of the technologies described above, the detachable rifle formula of one of the present invention fracture reposition instrument, comprise rifle formula main body, steel-wire inducer and pushing ram, described rifle formula main body comprises sleeve, handle and trigger-type pressing plate, described pushing ram runs through and is installed in sleeve, pushing ram under trigger-type pressing plate function along sleeve to front slide; Described wire introducer comprises the first draw-in groove and the second draw-in groove, described the first draw-in groove is positioned at sleeve one end, the second draw-in groove is positioned at pushing ram front, described the first draw-in groove and the second draw-in groove cooperatively interact and clamp fracture site, and handle and trigger-type pressing plate mutually intersect and be assembled together as rotating shaft using crosspoint.
As preferably, the afterbody of described handle is provided with locking strip, and described locking strip is provided with ratchet; The afterbody of described trigger-type pressing plate is provided with groove, and described ratchet and groove fit are carried out the unidirectional spacing trigger-type pressing plate reset that prevents.
As preferably, described trigger-type pressing plate head is provided with U-lag, and pushing ram afterbody is provided with dwang, and dwang is positioned at the U-lag of trigger-type pressing plate.
As preferably, also comprise the first elastic card claw and the second elastic card claw, the first elastic card claw is bending spring leaf, the first elastic card claw is fixed on handle, the second elastic card claw is positioned on trigger-type pressing plate, one end of the second elastic card claw is provided with groove, and the first elastic card claw head is provided with boss, and the groove of the first elastic card claw head boss and the second elastic card claw makes handle and the each Self-resetting of trigger-type pressing plate in interacting.
As preferably, described trigger-type pressing plate is provided with the mounting hole of being convenient to grip trigger-type pressing plate.
As preferably, described trigger-type pressing plate is also provided with lever, and lever is arranged on trigger-type pressing plate and around bearing pin and is rotated by bearing pin, and lever tail is positioned at above locking strip, and hand presses lever head makes lever tail separate trigger-type pressing plate and locking strip.
As preferably, described handle is provided with first step hole in crosspoint, trigger-type pressing plate is provided with second step hole in crosspoint, first step is provided with gland in hole, in gland, be provided with through the connecting rod in first step hole and second step hole, connecting rod middle part is provided with groove, in groove, be provided with spring, connecting rod afterbody is provided with screwed hole, in the screwed hole of the screw precession connecting rod in second step hole, handle and trigger-type pressing plate are tightly fit together, due to the effect of spring, handle and trigger-type pressing plate can also rotate around connecting rod.
As preferably, described the first draw-in groove inside is provided with the through hole that extends to the first draw-in groove end face from the first draw-in groove back side, and the second draw-in groove is provided with the through hole that extends to the second draw-in groove end face from the second draw-in groove back side.
In order further to improve fitting tight degree, described handle and trigger-type pressing plate in rotating shaft place by together with bolts assemblies. By adopting bolt to assemble, handle and trigger-type pressing plate are difficult for loosening dislocation, improve precision.
Beneficial effect: the detachable rifle formula of one of the present invention fracture reposition instrument, simple in structure, convenient disassembly, based on the principle of " determining a plane at 3 ", because rifle formula main body, steel-wire inducer and pushing ram three are in same plane, can guarantee that the first draw-in groove and the second draw-in groove accurately dock, and avoid both to misplace; Use easy to operately, utilize and advance gradually the principle of pressurization that fracture, bone fracture location are resetted, reset force is balanced accurately, resets reliable, is difficult for loosening; Pushing ram front end is provided with steel-wire inducer, be applied to Minimally Invasive Surgery, not needing to strip off periosteum just can pass steel wire, reduce or avoid patient's Local Gravity And to want the generation of the excessive and various complication of vascular tissue injury, time saving and energy saving, shorten operating time, reduce medical worker's labour intensity, alleviate patient's misery, be conducive to patient's early recovery.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the fractionation structural representation of Fig. 1;
Fig. 4 is the schematic cross-section of pushing ram and sleeve cooperation place.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figures 1 to 4, the detachable rifle formula of one of the present invention fracture reposition instrument, comprise rifle formula main body 1, steel-wire inducer and pushing ram 5, rifle formula main body 1 comprises sleeve 102, handle 101 and trigger-type pressing plate 103, pushing ram 5 runs through and is installed in sleeve 102, pushing ram 5 under 103 effects of trigger-type pressing plate along sleeve 102 to front slide; Wire introducer comprises the first draw-in groove 3 and the second draw-in groove 4, the first draw-in groove 3 is positioned at sleeve 102 one end, the second draw-in groove 4 is positioned at pushing ram 5 fronts, the first draw-in groove 3 and the second draw-in groove 4 cooperatively interact and clamp fracture site, and handle 101 and trigger-type pressing plate 103 mutually intersect and be assembled together as rotating shaft using crosspoint.
In the present invention, the afterbody of handle 101 is provided with locking strip 14, and locking strip 14 is provided with ratchet; The afterbody of trigger-type pressing plate 103 is provided with groove, and ratchet and groove fit carry out unidirectionally spacingly preventing that trigger-type pressing plate 103 from resetting; Trigger-type pressing plate 103 heads are provided with U-lag, and pushing ram 5 afterbodys are provided with dwang 6, and dwang 6 is positioned at the U-lag of trigger-type pressing plate 103; Dwang 6 has multiple screens in U-lag, can selectively be stuck in as required above or below. The part that pushing ram 5 approaches sleeve 102 is provided with down the groove of " protruding " shape, and sleeve 102 cross sections are for falling " protruding " shape, pushing ram 5 by groove along falling the sleeve 102 of " protruding " shape to front slide; Also comprise the first elastic card claw 7 and the second elastic card claw 8, the first elastic card claw 7 is bending spring leaf, the first elastic card claw 7 is fixed on handle 101, the first elastic card claw 7 heads are provided with boss, the second elastic card claw 8 is positioned on trigger-type pressing plate 103, one end of the second elastic card claw 8 is provided with groove, and the groove of the first elastic card claw 7 head boss and the second elastic card claw 8 makes handle 101 and the each Self-resetting of trigger-type pressing plate 103 in interacting; Trigger-type pressing plate 103 is provided with the mounting hole of being convenient to grip trigger-type pressing plate 103, conveniently holds trigger-type pressing plate 103; Trigger-type pressing plate 103 is also provided with lever 9, lever 9 is arranged on trigger-type pressing plate 103 by bearing pin and lever 9 rotates around bearing pin, lever 9 afterbodys are positioned at above locking strip 14, and hand presses lever 9 heads make lever 9 portion from trigger-type pressing plate 103 and locking strip 14 by lever 9 effects.
In the present invention, handle 101 is provided with first step hole in crosspoint, trigger-type pressing plate 103 is provided with second step hole in crosspoint, in first step hole, be provided with gland 13, in gland 13, be provided with through the connecting rod 11 in first step hole and second step hole, connecting rod 11 afterbodys are provided with screwed hole, connecting rod 11 middle parts are provided with groove, in groove, be provided with spring 12, in the screwed hole of the screw 10 precession connecting rods 11 in second step hole, thereby connecting rod 11 Compress Springs 12 tightly fit together handle 101 and trigger-type pressing plate 103 by gland 13, due to the effect of spring 12, handle 101 and trigger-type pressing plate 103 can also rotate around connecting rod 11, the first draw-in groove 3 inside are provided with the through hole that extends to the first draw-in groove 3 end faces from first draw-in groove 3 back sides, and the second draw-in groove 4 is provided with the through hole that extends to the second draw-in groove 4 end faces from second draw-in groove 4 back sides.
The present invention in use, first be assembled together by screw 10 and connecting rod 11 handles 101 and trigger-type pressing plate 103, due to the effect of spring 12, handle 101 and trigger-type pressing plate 103 tightly fit together but handle 101 and trigger-type pressing plate 103 can also rotate around connecting rod 11, in the time that needs are performed the operation, the first draw-in groove 3 and the second draw-in groove 4 are stuck in to fracture, cocking formula pressing plate 103, drive the dwang 6 of pushing ram 5 the insides to move by the U-lag of trigger-type pressing plate 103 heads, trigger-type pressing plate 103 is converted into the rectilinear motion of pushing ram 5, drive pushing ram 5 sliding forward at sleeve 102, promoting the second draw-in groove 4 advances, after fracture bone resets, penetrate steel wire from the through hole of the first draw-in groove 3 or the second draw-in groove 4, steel wire from the through hole of another draw-in groove out, reach the object that is wound around bone, simple in structure, easy to use, in use, due to the effect of locking strip 14, handle 101 and trigger-type pressing plate 103 can not automatically reset, save medical worker's muscle power.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a detachable rifle formula fracture reposition instrument, it is characterized in that: comprise rifle formula main body (1), steel-wire inducer and pushing ram (5), described rifle formula main body (1) comprises sleeve (102), handle (101) and trigger-type pressing plate (103), described pushing ram (5) runs through and is installed in sleeve (102), pushing ram (5) under trigger-type pressing plate (103) effect along sleeve (102) to front slide; Described wire introducer comprises the first draw-in groove (3) and the second draw-in groove (4), described the first draw-in groove (3) is positioned at sleeve (102) one end, the second draw-in groove (4) is positioned at pushing ram (5) front, described the first draw-in groove (3) and the second draw-in groove (4) cooperatively interact and clamp fracture site, and handle (101) and trigger-type pressing plate (103) mutually intersect and be assembled together as rotating shaft using crosspoint; The afterbody of described handle (101) is provided with locking strip (14), and described locking strip (14) is provided with ratchet; The afterbody of described trigger-type pressing plate (103) is provided with groove, and described ratchet and groove fit are carried out unidirectional spacing trigger-type pressing plate (103) reset that prevents; Described trigger-type pressing plate (103) is also provided with lever (9), lever (9) is arranged on trigger-type pressing plate (103) above and is rotated around bearing pin by bearing pin, lever (9) afterbody is positioned at locking strip (14) above, hand presses lever (9) head, makes lever (9) portion from trigger-type pressing plate (103) and locking strip (14).
2. detachable rifle formula fracture reposition instrument according to claim 1, it is characterized in that: described trigger-type pressing plate (103) head is provided with U-lag, pushing ram (5) afterbody is provided with dwang (6), and dwang (6) is positioned at the U-lag of trigger-type pressing plate (103).
3. detachable rifle formula fracture reposition instrument according to claim 1, it is characterized in that: also comprise the first elastic card claw (7) and the second elastic card claw (8), the first elastic card claw (7) is bending spring leaf, the first elastic card claw (7) is fixed on handle (101), the second elastic card claw (8) is positioned on trigger-type pressing plate (103), one end of the second elastic card claw (8) is provided with groove, the first elastic card claw (7) head is provided with boss, the groove of the first elastic card claw (7) head boss and the second elastic card claw (8) makes handle (101) and the each Self-resetting of trigger-type pressing plate (103) in interacting.
4. detachable rifle formula fracture reposition instrument according to claim 1, is characterized in that: described trigger-type pressing plate (103) is provided with the mounting hole of being convenient to grip trigger-type pressing plate (103).
5. detachable rifle formula fracture reposition instrument according to claim 1, it is characterized in that: described handle (101) is provided with first step hole in crosspoint, trigger-type pressing plate (103) is provided with second step hole in crosspoint, in first step hole, be provided with gland (13), in gland (13), be provided with the connecting rod (11) through first step hole and second step hole, connecting rod (11) middle part is provided with groove, in groove, be provided with spring (12), connecting rod (11) afterbody is provided with screwed hole, in the screwed hole of screw (10) the precession connecting rod (11) in second step hole, make handle (101) and trigger-type pressing plate (103) tightly fit together, under the effect of spring (12), handle (101) and trigger-type pressing plate (103) rotate around connecting rod (11).
6. according to arbitrary described detachable rifle formula fracture reposition instrument in claim 1～5, it is characterized in that: described the first draw-in groove (3) inside is provided with the through hole that extends to the first draw-in groove (3) end face from the first draw-in groove (3) back side, the second draw-in groove (4) is provided with the through hole that extends to the second draw-in groove (4) end face from the second draw-in groove (4) back side.
7. according to arbitrary described detachable rifle formula fracture reposition instrument in claim 1～5, it is characterized in that: described handle (101) and trigger-type pressing plate (103) are in rotating shaft place by bolts assemblies together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410141640.4A CN103919596B (en) | 2014-04-09 | 2014-04-09 | A kind of detachable rifle formula fracture reposition instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410141640.4A CN103919596B (en) | 2014-04-09 | 2014-04-09 | A kind of detachable rifle formula fracture reposition instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103919596A CN103919596A (en) | 2014-07-16 |
| CN103919596B true CN103919596B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410141640.4A Expired - Fee Related CN103919596B (en) | 2014-04-09 | 2014-04-09 | A kind of detachable rifle formula fracture reposition instrument |
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| Country | Link |
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| CN (1) | CN103919596B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104665900A (en) * | 2015-03-02 | 2015-06-03 | 毕宏政 | Oblique bone fracture reduction forceps |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8801407D0 (en) * | 1988-01-28 | 1988-02-24 | Bio Med Eng Ltd | Surgical apparatus |
| GB0607888D0 (en) * | 2006-04-21 | 2006-05-31 | Arafa Khaled A | Surgical device |
| CN200945186Y (en) * | 2006-09-08 | 2007-09-12 | 南京大学医学院附属鼓楼医院 | Gun type reduction forceps |
| CN202568413U (en) * | 2012-06-04 | 2012-12-05 | 牟瑞平 | Bone holder for conveniently and quickly threading steel wire |
| CN203263513U (en) * | 2013-05-13 | 2013-11-06 | 狄子孝 | Short bone reposition fixator pushed by pliers |
| CN203802551U (en) * | 2014-04-09 | 2014-09-03 | 江苏澳格姆生物科技有限公司 | Detachable gun-type fracture repositor |
-
2014
- 2014-04-09 CN CN201410141640.4A patent/CN103919596B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8801407D0 (en) * | 1988-01-28 | 1988-02-24 | Bio Med Eng Ltd | Surgical apparatus |
| GB0607888D0 (en) * | 2006-04-21 | 2006-05-31 | Arafa Khaled A | Surgical device |
| CN200945186Y (en) * | 2006-09-08 | 2007-09-12 | 南京大学医学院附属鼓楼医院 | Gun type reduction forceps |
| CN202568413U (en) * | 2012-06-04 | 2012-12-05 | 牟瑞平 | Bone holder for conveniently and quickly threading steel wire |
| CN203263513U (en) * | 2013-05-13 | 2013-11-06 | 狄子孝 | Short bone reposition fixator pushed by pliers |
| CN203802551U (en) * | 2014-04-09 | 2014-09-03 | 江苏澳格姆生物科技有限公司 | Detachable gun-type fracture repositor |
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| Publication number | Publication date |
|---|---|
| CN103919596A (en) | 2014-07-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Lishui District of Nanjing City, Jiangsu province 210000 Yong Yang Town Natural Bridge Road No. 688 Branch Center Applicant after: Jiangsu Aogemu Biological Technology Co., Ltd. Address before: 210000, room 107, Dongda Science Park, No. 6 Changjiang back street, Xuanwu District, Nanjing, Jiangsu Applicant before: Jiangsu Aogemu Biological Technology Co., Ltd. |
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| COR | Change of bibliographic data | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20210409 |