CN203417249U - Pelvis external fixation operation positioning device - Google Patents
Pelvis external fixation operation positioning device Download PDFInfo
- Publication number
- CN203417249U CN203417249U CN201320504004.4U CN201320504004U CN203417249U CN 203417249 U CN203417249 U CN 203417249U CN 201320504004 U CN201320504004 U CN 201320504004U CN 203417249 U CN203417249 U CN 203417249U
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- Prior art keywords
- needle
- positioning
- pelvis
- tooth plate
- external fixation
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Abstract
The utility model discloses a pelvis external fixation operation positioning device. The pelvis external fixation operation positioning device comprises a positioning frame assembly, a positioning base assembly, a needle sleeve and an external fixing needle, wherein the positioning frame assembly is arranged on the positioning base assembly in a sleeved mode, the positioning base assembly is arranged on the needle sleeve in a sleeved mode, and the needle sleeve is arranged on the external fixing needle in a sleeved mode. The positioning frame assembly comprises a positioning hook, a positioning hook fixing base and a positioning sleeve, wherein the positioning hook fixing base and the positioning sleeve are welded and fixed, and one end of the positioning hook is welded and fixed to a toothed plate base. The positioning base assembly comprises a toothed plate and the toothed plate base, wherein the toothed plate is in an arc shape, one end of the toothed plate is welded and fixed to the toothed plate base, and the positioning sleeve is arranged on the toothed plate in a sleeved mode so that the positioning frame assembly can be movably arranged on the positioning base assembly in a sleeved mode. The needle sleeve comprises needle tubing and a needle base, the needle tubing and the needle base are welded and fixed, and the toothed plate base is arranged on the needle tubing in a sleeved mode. The device can effectively determine the needle insertion angle of the pelvis fixing needle in the anterior inferior spine in a pelvis operation, needle placing accuracy is improved in the operation, the risk of damaging vessels is lowered, operation time is greatly shortened, and operative complications are reduced.
Description
Technical field
This utility model belongs to clinical medicine, and the medical device in bone surgery is specifically related to a kind of pelvis External fixation screw and carries out anterior inferior iliac spine fixing operation device, relates in particular to the outer fixing operation positioner of a kind of pelvis.
Background technology
It is very common in clinical that fracture of pelvis carries out outer fixing operation, especially when rescuing critical fracture of pelvis patient.In art, how pelvis External fixation screw is accurately squeezed into the sclerotin of acetabular bone top, perplexed clinician always, if accurately unfixing, may cause the damage of patient's trunk.Because still have at present suitable apparatus to complete this operation, can only operate with doctor's experience, easily produce operate miss, and it is consuming time longer to operate, increased the time that patient is exposed to lonizing radiation in operation process.
Utility model content
The technical problems to be solved in the utility model is to provide the outer fixing operation positioner of a kind of pelvis, it is simple in structure, simple to operate, energy solves the problem of putting required angle while following closely in the outer fixing operation of current fracture of pelvis clinically above acetabular bone, avoid causing the damage of trunk, and can greatly reduce the time that patient is exposed to lonizing radiation in operation process.
This utility model is that the technical scheme that its technical problem of solution adopts is:
An outer fixing operation positioner, comprises locating rack assembly, positioning seat assembly, needle cannula and External fixation screw; Locating rack assembly is sleeved on positioning seat assembly, and positioning seat assembly is sleeved in needle cannula, and needle cannula is sleeved on External fixation screw; Described locating rack assembly comprises location hook, location hook holder and positioning sleeve, and location hook holder and positioning sleeve are welded and fixed, and one end of location hook is sleeved in location hook holder; Described positioning seat assembly comprises tooth plate and tooth plate seat, and this tooth plate is curved, and one end of tooth plate is weldingly fixed on described tooth plate seat; Described positioning sleeve is sleeved on this tooth plate, and locating rack assembly is sleeved on positioning seat assembly movably; Described needle cannula comprises needle tubing and needle stand, and needle tubing and needle stand are welded and fixed; Described tooth plate cover for seat is contained on needle tubing, and positioning seat assembly is sleeved in needle cannula.
Further, described locating rack assembly also comprises deck, hold-down screw and spiral shell card; Described deck and described spiral shell card are welded and fixed, and described spiral shell card is rotatably connected on positioning sleeve, by turning deck rotation spiral shell card, spiral shell card is stuck on tooth plate, makes locating rack assembly location, by opposite direction, turn deck rotation spiral shell card, spiral shell card departs from from tooth plate, makes locating rack assembly removable; Described hold-down screw is arranged on location hook holder, by turning hold-down screw, location hook is fixedly connected with location hook holder or departs from mutually.
Further, described positioning seat assembly also comprises adjusting button, and this adjusting button is rotatably connected on tooth plate seat, on adjusting button, has latch.
Further, described needle tubing is provided with card article and pin cutter; Described latch is stuck on card article, makes positioning seat assembly location, presses adjusting button, and latch and card article depart from, and positioning seat assembly is removable.
Further, described card article is positioned at needle tubing centre position, and described pin cutter spacing is in the top of needle tubing.
Further, described External fixation screw comprises needle bar, and needle tubing is sleeved on needle bar, and needle cannula C is sleeved on External fixation screw, and External fixation screw can slide in needle tubing.
Further, described tooth plate is marked with scale; Described External fixation screw is fixed on anterior inferior iliac spine, and described location hook is fixed on rumpbone, by running fix holder assembly, adjusts External fixation screw and the mutual angle of location hook, regulates the angle of pelvis External fixation screw.
Compared with prior art, the beneficial effects of the utility model are: this device is designed to cross one another double-legged fixture.Wherein a foot is crooked hooked device, and its location hook is fixed on rumpbone, and another foot is designed to the linearity device of hollow, and External fixation screw can be passed through in centre, and its External fixation screw is fixed on anterior inferior iliac spine.Can be in operation process by regulating the mutual angle of two bar-shaped devices (to adjust External fixation screw and the mutual angle of location hook by running fix holder assembly, can in art, according to the scale above the tooth plate of positioning seat assembly, determine the size of angle, thereby smoothly the External fixation screw at anterior inferior iliac spine place be squeezed into desirable position.This device is simple to operate, can solve the problem of putting required angle while following closely in the outer fixing operation of current fracture of pelvis clinically above acetabular bone.The advantage of this apparatus is simple to operate, reduces greatly the generation of radiating number of times and complication in art, shortens operating time.This utility model is simple in structure, simple to operate, solved clinically and carried out the operation problem that nail is put in acetabular bone top in the outer fixing operation of fracture of pelvis, this device can be fixed on ilium outside plate, while effectively guaranteeing operation, locking pin can accurately enter the compact bone of anterior inferior iliac spine, acetabular bone top, and assurance operation is carried out smoothly.This device is mainly used in the angle that in art, definite pelvis External fixation screw enters anterior inferior iliac spine.This utility model can effectively determine in pelvic surgery that pelvis External fixation screw, in the angle of anterior inferior iliac spine inserting needle, can improve the accuracy of the mid-pin of art, reduces the risk of injured blood vessel in art, greatly shortens operating time, reduces postoperative complication.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment;
Fig. 2 is the structural representation of locating rack assembly;
Fig. 3 is the structural representation of positioning seat assembly;
Fig. 4 is the structural representation of needle cannula;
Fig. 5 is the structural representation of External fixation screw.
In figure, description of reference numerals is as follows:
A is that locating rack assembly, B are that positioning seat assembly, C are that needle cannula, D are External fixation screws, the 1st, location hook, the 2nd, and deck, the 3rd, location hook holder, the 4th, hold-down screw, the 5th, spiral shell card, the 6th, positioning sleeve, the 7th, tooth plate, the 8th, regulates button, the 9th, tooth plate seat, the 10th, latch, the 11st, needle tubing, the 12nd, needle stand, the 13rd, card article, the 14th, pin cutter, the 15th, needle bar.
The specific embodiment
Below in conjunction with accompanying drawing and by embodiment, the utility model is described in further detail
Embodiment:
As shown in Figure 1, this utility model embodiment comprises locating rack assembly A, positioning seat assembly B, needle cannula C and External fixation screw D.
As shown in Figure 2, locating rack assembly A comprises location hook 1, deck 2, location hook holder 3, hold-down screw 4, spiral shell card 5, positioning sleeve 6.Deck 2 and spiral shell card 5 are welded and fixed, and spiral shell card 5 is rotatably connected on positioning sleeve 6.Location hook holder 3 and positioning sleeve 6 are welded and fixed.One end of location hook 1 is sleeved in location hook holder 3, and coordinate with hold-down screw 4, hold-down screw 4 is arranged on location hook holder 3, by turning hold-down screw 4, can be by location hook 1 from the interior disengaging of location hook holder 3, also can, by oppositely turning hold-down screw 4, location hook 1 be fixedly connected in location hook holder 3.
As shown in Figure 3, positioning seat assembly B indicates scale above comprising tooth plate 7(), regulate button 8, tooth plate seat 9.Tooth plate 7 is curved, one end of tooth plate 7 is weldingly fixed on tooth plate seat 9, regulates button 8 to be rotatably connected on tooth plate seat 9, on adjusting button 8, has latch 10, positioning sleeve 6 is sleeved on tooth plate 7, make locating rack assembly A be sleeved on positioning seat assembly B upper, by turning deck 2 rotation spiral shell cards 5, spiral shell card 5 is tightly stuck on tooth plate 7, make locating rack assembly A location, by opposite direction, turn deck 2 rotation spiral shell cards 5, spiral shell card 5 can depart from from tooth plate 7, the removable (see figure 1) of locating rack assembly A.
As shown in Figure 4, needle cannula C comprises needle tubing 11 and needle stand 12, and needle tubing 11 and needle stand 12 are welded and fixed, and is provided with card article 13 and pin cutter 14(card article 13 is positioned at needle tubing 11 centre positions on needle tubing 11, pin cutter 14 is positioned at the top of needle tubing 11), tooth plate seat 9 is sleeved on needle tubing 11, makes positioning seat assembly B be sleeved on needle cannula C upper, and latch 10 is stuck on card article 13, make positioning seat assembly B location, press and regulate button 8, latch 10 can depart from card article 13, and B is removable for positioning seat assembly.
As shown in Figure 5, External fixation screw D comprises needle bar 15, and needle tubing 11 is sleeved on needle bar 15, makes needle cannula C be sleeved on External fixation screw D upper, and External fixation screw D can be in the interior slip of needle tubing 11.This needle bar 15 is without concrete thickness requirement.
In operation application, the tissue (muscle, skin etc.) that location hook 1 penetrates rumpbone place is fixed, and guarantees normally carrying out of operation.Needle cannula C, External fixation screw D and positioning seat assembly B guarantee that needle bar 15 can be at anterior inferior iliac spine place inserting needle, and smoothly by the sclerotin of acetabular bone top.In operation application, under the effect of pin cutter 14, after positioning for the tissue of operative site, External fixation screw D penetrates human body, pelvis External fixation screw is accurately squeezed into the sclerotin of acetabular bone top, reaches effective length, increases the stability of pelvis exterior fixation bracket.
Described device two ends, one end (External fixation screw D) is fixed on anterior inferior iliac spine, and the other end (location hook 1) is fixed on rumpbone.Can be in operation process by regulating the mutual angle of two bar-shaped devices (adjusting External fixation screw D and the mutual angle of location hook 1 by running fix holder assembly B), regulate the angle of pelvis External fixation screw.The scale that can indicate above the tooth plate 7 according to positioning seat assembly B in operation is determined the size of angle, thereby smoothly the External fixation screw D at anterior inferior iliac spine place is squeezed into desirable position, to reduce the risk of injured blood vessel in art.This device is simple to operate, energy solves the problem of putting required angle while following closely in the outer fixing operation of current fracture of pelvis clinically above acetabular bone, can be for patient provides inserting needle passage in art, avoid locking pin in art to pass sclerotin, injured blood vessel, causes serious complication, and the advantage of this device is simple to operate, reduce greatly the generation of radiating number of times and complication in art, shorten operating time.
Claims (7)
1. the outer fixing operation positioner of pelvis, is characterized in that: comprise locating rack assembly, positioning seat assembly, needle cannula and External fixation screw; Locating rack assembly is sleeved on positioning seat assembly, and positioning seat assembly is sleeved in needle cannula, and needle cannula is sleeved on External fixation screw; Described locating rack assembly comprises location hook, location hook holder and positioning sleeve, and location hook holder and positioning sleeve are welded and fixed, and one end of location hook is sleeved in location hook holder; Described positioning seat assembly comprises tooth plate and tooth plate seat, and this tooth plate is curved, and one end of tooth plate is weldingly fixed on described tooth plate seat; Described positioning sleeve is sleeved on this tooth plate, and locating rack assembly is sleeved on positioning seat assembly movably; Described needle cannula comprises needle tubing and needle stand, and needle tubing and needle stand are welded and fixed; Described tooth plate cover for seat is contained on needle tubing, and positioning seat assembly is sleeved in needle cannula.
2. the outer fixing operation positioner of pelvis as claimed in claim 1, is characterized in that: described locating rack assembly also comprises deck, hold-down screw and spiral shell card; Described deck and described spiral shell card are welded and fixed, and described spiral shell card is rotatably connected on positioning sleeve, by turning deck rotation spiral shell card, spiral shell card is stuck on tooth plate, makes locating rack assembly location, by opposite direction, turn deck rotation spiral shell card, spiral shell card departs from from tooth plate, makes locating rack assembly removable; Described hold-down screw is arranged on location hook holder, by turning hold-down screw, location hook is fixedly connected with location hook holder or departs from mutually.
3. the outer fixing operation positioner of pelvis as claimed in claim 1, is characterized in that: described positioning seat assembly also comprises adjusting button, and this adjusting button is rotatably connected on tooth plate seat, on adjusting button, has latch.
4. the outer fixing operation positioner of pelvis as claimed in claim 3, is characterized in that: described needle tubing is provided with card article and pin cutter; Described latch is stuck on card article, makes positioning seat assembly location, presses adjusting button, and latch and card article depart from, and positioning seat assembly is removable.
5. the outer fixing operation positioner of pelvis as claimed in claim 4, is characterized in that: described card article is positioned at needle tubing centre position, and described pin cutter spacing is in the top of needle tubing.
6. the outer fixing operation positioner of pelvis as claimed in claim 1, is characterized in that: described External fixation screw comprises needle bar, and needle tubing is sleeved on needle bar, and needle cannula C is sleeved on External fixation screw, and External fixation screw can slide in needle tubing.
7. the outer fixing operation positioner of pelvis as claimed in claim 1, is characterized in that: described tooth plate is marked with scale; Described External fixation screw is fixed on anterior inferior iliac spine, and described location hook is fixed on rumpbone, by running fix holder assembly, adjusts External fixation screw and the mutual angle of location hook, regulates the angle of pelvis External fixation screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504004.4U CN203417249U (en) | 2013-08-16 | 2013-08-16 | Pelvis external fixation operation positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504004.4U CN203417249U (en) | 2013-08-16 | 2013-08-16 | Pelvis external fixation operation positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203417249U true CN203417249U (en) | 2014-02-05 |
Family
ID=50016360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320504004.4U Expired - Fee Related CN203417249U (en) | 2013-08-16 | 2013-08-16 | Pelvis external fixation operation positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203417249U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108143473A (en) * | 2017-12-27 | 2018-06-12 | 宜兴市人民医院 | A kind of outer resting guide for being accurately positioned pelvis fracture operation |
| CN108143474A (en) * | 2017-12-27 | 2018-06-12 | 苏州大学附属第医院 | A kind of outer resting guide for being accurately positioned pelvis fracture operation |
-
2013
- 2013-08-16 CN CN201320504004.4U patent/CN203417249U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108143473A (en) * | 2017-12-27 | 2018-06-12 | 宜兴市人民医院 | A kind of outer resting guide for being accurately positioned pelvis fracture operation |
| CN108143474A (en) * | 2017-12-27 | 2018-06-12 | 苏州大学附属第医院 | A kind of outer resting guide for being accurately positioned pelvis fracture operation |
| CN108143473B (en) * | 2017-12-27 | 2020-04-10 | 蒋臻欢 | External fixation guide plate for accurate positioning pelvis fracture operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140205 Termination date: 20160816 |