CN210631290U - External fixing device for orthopedic surgery - Google Patents
External fixing device for orthopedic surgery Download PDFInfo
- Publication number
- CN210631290U CN210631290U CN201921039122.6U CN201921039122U CN210631290U CN 210631290 U CN210631290 U CN 210631290U CN 201921039122 U CN201921039122 U CN 201921039122U CN 210631290 U CN210631290 U CN 210631290U
- Authority
- CN
- China
- Prior art keywords
- fixing part
- support
- supporting
- upper fixing
- lower fixing
- 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
Links
- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 19
- 238000001356 surgical procedure Methods 0.000 title claims abstract description 18
- 210000000988 bone and bone Anatomy 0.000 claims description 8
- 239000011324 bead Substances 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 210000000629 knee joint Anatomy 0.000 abstract description 15
- 210000000689 upper leg Anatomy 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 210000003127 knee Anatomy 0.000 description 9
- 208000032843 Hemorrhage Diseases 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000000740 bleeding effect Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 210000001699 lower leg Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 240000007817 Olea europaea Species 0.000 description 3
- 230000023597 hemostasis Effects 0.000 description 3
- 208000031220 Hemophilia Diseases 0.000 description 2
- 208000009292 Hemophilia A Diseases 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000028782 Hereditary disease Diseases 0.000 description 1
- 208000026350 Inborn Genetic disease Diseases 0.000 description 1
- 208000024556 Mendelian disease Diseases 0.000 description 1
- 206010062575 Muscle contracture Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309466 calf Species 0.000 description 1
- 208000006111 contracture Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 210000002082 fibula Anatomy 0.000 description 1
- 230000005714 functional activity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008407 joint function Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses an external fixing device for orthopedic surgery, which comprises an upper fixing part, a lower fixing part, a movable part arranged between and respectively connected with the upper fixing part and the lower fixing part, and a supporting part fixedly connected with the upper fixing part and the lower fixing part; wherein the upper fixing part and the lower fixing part are annular or semi-annular devices; the movable part comprises a first movable part fixedly arranged on the upper fixing part and a second movable part fixedly arranged on the lower fixing part, and the first movable part is hinged with the second movable part; the supporting part comprises a first supporting part connected with the upper fixing part and a second supporting part connected with the lower fixing part, and the first supporting part and the second supporting part are detachably and fixedly connected. The utility model relates to an external fixing device for orthopedic operation can conveniently dismantle the fixed stay between thigh and the shank for the knee joint can conveniently move about, reaches the effect of dismantling convenience, easy operation, save time.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to external fixation device is used in orthopedic surgery.
Background
Hemophilia is a hereditary disease, arising from childhood, often resulting in flexion-contracture deformities of joints, eventually leading to loss of joint function, due to repeated intra-articular bleeding. Hemophiliacs are prone to knee flexion deformities due to spontaneous bleeding of the knee.
The Ilizarov annular external fixing frame has the basic structure of ① hole full rings or semi rings, ② threaded connecting rods, ③ thin steel needles (1.8mm < 2 >) or olive needles (adopting a tension technology), ④ joint hinges and an orthopedic technology, penetrates the bones and is fixed with the annular external fixing frame by the thin steel needles or the olive needles, the full rings or the semi rings at all positions are connected by the threaded connecting rods, and the joint hinges are arranged between the fixing frame at the thigh part and the fixing frame at the semi ring part, so that the knee can be moved properly, and the knee is prevented from being stiff.
During the treatment, the patient needs to slowly and continuously retract the flexed and deformed joint, but the knee joint is easy to be stiff due to long-time inactivity, and the function of the knee joint is difficult to recover, so the functional activity of the knee joint is also noticed during the treatment.
In the prior art, the Ilizarov annular external fixator has the following defects in the process of treating the knee joint flexion deformity: because the patient has made the extension fixedly with threaded connection pole at the knee joint under general condition, in order to regularly move the knee joint, so the threaded connection pole between thigh and the shank needs regularly dismouting every day, and very long screw thread need be twisted in this kind of dismouting, greatly increased doctor's work load, waste time and energy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an external fixing device for orthopedic surgery not only can play the effect of supporting health and tractive bone, moreover, can conveniently dismantle the fixed stay between thigh and the shank simultaneously for the knee joint can conveniently move about, reaches and dismantles convenience, easy operation, save time's purpose.
In order to achieve the above object, the present invention provides an external fixation device for orthopedic surgery, comprising an upper fixation portion, a lower fixation portion, a movable portion disposed between and connected to the upper fixation portion and the lower fixation portion, and a support portion fixedly connecting the upper fixation portion and the lower fixation portion; wherein,
the upper fixing part and the lower fixing part are annular or semi-annular devices;
the movable part comprises a first movable part fixedly arranged on the upper fixing part and a second movable part fixedly arranged on the lower fixing part, and the first movable part is hinged with the second movable part;
the supporting part comprises a first supporting part connected with the upper fixing part and a second supporting part connected with the lower fixing part, and the first supporting part and the second supporting part are detachably and fixedly connected.
Preferably, the first support member and the second support member are both rod members;
the second support part is of a hollow structure, the inner diameter of the second support part is larger than the outer diameter of the first support part, and one end of the first support part is inserted into one end of the second support part; one end of the second supporting piece is provided with a clasping structure which clasps the first supporting piece.
Preferably, the cohesive structure includes first clamp, first clamp is established the one end of second support piece.
Preferably, one end of the inner wall of the second support rod of the hollow structure, which is close to the embracing structure, is provided with a plurality of damping beads arranged at intervals along the axial direction.
Preferably, the upper fixing part and/or the lower fixing part comprises a positioning needle, a slidable pressing piece penetrates through the positioning needle, and the pressing piece presses the surrounding part of the positioning needle penetrating through the skin along the axial direction.
Preferably, the compressing part comprises a second clamp, the second clamp is sleeved on the positioning pin, and the positioning pin is tightly held by the force applied by the second clamp.
Has the advantages that:
the utility model discloses an external fixing device for orthopedic surgery, which can realize relative rotation between an upper fixing part and a lower fixing part through a movable part which is arranged between the upper fixing part and the lower fixing part and is respectively connected with the upper fixing part and the lower fixing part. Since the upper fixing part can be used for fixing the thigh part of the patient and the lower fixing part can be used for fixing the lower leg part of the patient, the knee of the patient can rotate to keep the flexible movement of the knee. Since the upper fixing part of the thigh part of the patient needs to be supported by the lower fixing part of the shank part, the knee joint of the flexion deformity is retracted by providing the supporting part for fixedly connecting the upper fixing part and the lower fixing part when the patient walks or stands upright. And the supporting part is composed of the first supporting piece and the second supporting piece in a detachable fixed connection mode, so that the detachable fixed connection mode is convenient to disassemble and assemble, and a doctor can help a patient to realize switching between a supporting function when the patient vertically walks and a moving function when the patient moves the knee, so that the flexible movement of protecting the knee joint is not influenced when the patient retracts the flexion deformity of the knee joint, and the detachable fixed connection mode is simple to operate, time-saving and labor-saving.
Although the treatment method using the Ilizarov annular external fixing frame is less in bleeding than open surgery, the blood flows out when the thin steel needle penetrates the skin because the thin steel needle is needed to connect and fix the fixing frame with the backbone of the patient, and particularly for hemophilia patients, the situation that the blood flow is not continuous is probably caused, so that the hemostasis is difficult. The slidable pressing piece penetrates through the positioning needle, so that the pressing piece axially presses the surrounding part of the positioning needle penetrating through the skin, a good compression hemostasis effect can be achieved, and the operation is simple and convenient.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a first state of an external fixation device for orthopedic surgery according to the present invention;
FIG. 2 is a schematic three-dimensional structure diagram of the external fixation device for orthopedic surgery in a second state according to the present invention;
fig. 3 is a schematic view of the holding structure of the external fixing device for orthopedic surgery of the present invention.
The reference numbers are as follows:
a femur 1, a calf bone 2, an upper fixing part 100, a lower fixing part 200, a movable part 300, a first movable part 310 and a second movable part 320; the support part 400, the first support part 410, the second support part 420, the clasping structure 430, the positioning pin 500, the pressing part 510 and the second clamp 511.
Detailed Description
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art.
As shown in fig. 1 to 3, an external fixator for orthopedic surgery includes an upper fixing part 100, a lower fixing part 200, a movable part 300 disposed between and connected to the upper fixing part 100 and the lower fixing part 200, respectively, and a support part 400 fixedly connecting the upper fixing part 100 and the lower fixing part 200.
As shown in fig. 1 and 2, the upper fixing portion 100 and the lower fixing portion 200 may be a ring-shaped or semi-ring-shaped device. The upper fixing part can be used for fixing the thigh part of the patient, and the lower fixing part can be used for fixing the calf part of the patient, so that the knee of the patient can rotate to keep the flexible movement of the knee. As shown in fig. 1, the upper fixing part 100 is fixedly coupled to a femur 1 of a patient, and the lower fixing part 200 is fixedly coupled to a femur 2 of the patient. Fig. 1 shows a state in which the upper fixing part 100 and the lower fixing part 200 are coupled by the supporting part 400, that is, a state in which the knee joint of the patient cannot move. Fig. 2 shows a state in which the upper fixing part 100 and the lower fixing part 200 are connected only by the movable part 300, the supporting part 400 is separated, and the knee joint of the patient can be bent and extended by the movable part 300.
Specifically, the upper fixing part 100 and the lower fixing part 200 may be an Ilizarov ring-shaped external fixation frame, or a modified or derived version thereof, such as a new Taylor three-dimensional external fixation frame, which is shown in fig. 1 and 2 in two different forms, although other forms are not particularly limited thereto, and may be adjusted in all directions, have an axial compression effect of de-angulation, de-rotation, de-lateral displacement and meeting biomechanical requirements, and have attractive achievements in slow-distraction bone lengthening, treatment of various bone joint deformities and bone defects and bone nonunion, and may be ① -hole full rings or half rings, ② -threaded connection rods, ③ -thin steel needles (1.8mm < 2 >) or olive needles (using a tension technique), ④ -joint hinges and orthopedic techniques, and the above-mentioned half rings may be multi-half rings, or just single-layer structures, or may be free to use different ring-shaped external fixation frames, such as the multi-layer ring-shaped external fixation frame 100 and the full-layer-ring-shaped external fixation frame 200.
As shown in fig. 1 and 2, the movable portion 300 may include a first movable member 310 fixedly disposed on the upper fixing portion 100 and a second movable member 320 fixedly disposed on the lower fixing portion 200, and the first movable member 310 and the second movable member 320 are hinged to each other. Through the hinge connection of the first moving member 310 and the second moving member 320, the upper fixing portion 100 and the lower fixing portion 200 can rotate relatively to each other, so as to drive the knee joint to perform flexion and extension movements, thereby preventing the loss of function caused by the stiffness of the knee joint due to long-time inactivity.
As shown in fig. 1 and 2, the supporting portion 400 includes a first supporting member 410 connected to the upper fixing portion 100 and a second supporting member 420 connected to the lower fixing portion 200, and the first supporting member 410 and the second supporting member 420 are detachably and fixedly connected. The detachable fixed connection here means that quick and effective disassembly and assembly can be achieved. The way of dismounting the threaded rod in the prior art often requires half an hour, whereas the dismounting of the support part 400 of the present invention only takes a few minutes at most. In contrast, it is certainly a significant saving of valuable time for the physician.
In a preferred embodiment, as shown in fig. 1, the first support 410 and the second support 420 are both rod-shaped members. Wherein the second support member 420 has a hollow structure, the inner diameter of the second support member 420 is larger than the outer diameter of the first support member 410, and one end of the first support member 410 is inserted into one end of the second support member 420; one end of the second supporting member 420 is provided with a clasping structure 430, and the clasping structure 430 can clasp the first supporting member 410. After the first supporting member 410 reaches a proper position, the clasping structure 430 is fastened, so that on one hand, the first supporting member 410 can be prevented from continuously sliding downwards in the second supporting member 420, and on the other hand, the first supporting member 410 and the second supporting member 420 can be fixedly connected, so that the first supporting member 410 and the second supporting member 420 can be integrally better used for supporting and fixing the bone of the patient. When the support needs to be detached, the clasping structure 430 is only required to be loosened, and the first support rod 410 is pulled out upwards. As shown in fig. 1, the other end of the first support rod 410 connected to the upper fixing portion 100 may be provided with a section of external thread, which passes through the threaded hole of the upper fixing portion 100 and penetrates out. The upper and lower parts of the threaded hole are respectively provided with a nut to be screwed with the first support rod 410, so that the effect of fixing the first support rod 410 can be achieved. Meanwhile, the up-down position of the first support rod 410 can be adjusted by adjusting the positions of the upper nut and the lower nut according to requirements, so that the support length can be adjusted. When the support is disassembled, the upper nut and the lower nut are loosened, and the first support rod 410 is pulled out quickly. The other end of the second support rod 420 is connected to the lower fixing portion 200 in a manner that the above-mentioned means can be used, and the second support rod can be pulled out when necessary, so that the operation is simple and convenient.
In a preferred embodiment, as shown in fig. 3, the clasping structure 430 may comprise a first clip 431, and the first clip 431 is sleeved on one end of the second supporting member 420. A tightening handle 432, such as a threaded handle as shown in fig. 3, may be provided at an opening at one end of the first clip. Of course, the tightening handle 432 may not be a threaded press type as shown, and for example, it may be a wrench type tightening, in which a connecting rod is disposed at an opening of one end of the first clip 431, and a tightening wrench is connected thereto.
In a preferred embodiment, a plurality of damping beads may be axially arranged at an end of the inner wall of the second support rod 420 of the hollow structure close to the embracing structure 430. The effect of the damping bead is that the damping bead can prevent the first support rod 410 from falling freely in the hollow structure of the second support rod 420, which is beneficial to controlling the position of the first support rod 410 and is convenient to fix.
In a preferred embodiment, as shown in fig. 1, the upper fixing part 100 and/or the lower fixing part 200 may include a positioning pin 500, one end of the positioning pin 500 is fixed on the upper fixing part 100 or the lower fixing frame 200, and the other end of the positioning pin 500 passes through or obliquely penetrates the body. A slidable compressing member 510 is inserted into one end of the positioning pin 500, and the compressing member 510 compresses the surrounding portion of the positioning pin passing through the skin along the axial direction of the positioning pin 500. Since the locating needle 500 bleeds when penetrating through the skin, a bleeding point needs to be pressed, the pressing piece 510 can conveniently slide from one end of the locating needle 500 to a required position, and the skin is pressed to stop bleeding, so that the purpose of rapid hemostasis is achieved, and the operation is simple and convenient.
In a preferred embodiment, the pressing member 510 includes a second clamp, the second clamp is sleeved on the positioning pin 500, and the second clamp applies force to hold the positioning pin 500 tightly. The specific structure of the second clip may be similar to that of the first clip 431, and thus, reference may be made to fig. 3, which is not described herein again.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. An external fixing device for orthopedic surgery is characterized by comprising an upper fixing part, a lower fixing part, a movable part arranged between the upper fixing part and the lower fixing part and respectively connected with the upper fixing part and the lower fixing part, and a supporting part fixedly connected with the upper fixing part and the lower fixing part; wherein,
the upper fixing part and the lower fixing part are annular or semi-annular devices;
the movable part comprises a first movable part fixedly arranged on the upper fixing part and a second movable part fixedly arranged on the lower fixing part, and the first movable part is hinged with the second movable part;
the supporting part comprises a first supporting part connected with the upper fixing part and a second supporting part connected with the lower fixing part, and the first supporting part and the second supporting part are detachably and fixedly connected.
2. The extracorporeal fixing apparatus for orthopedic surgery of claim 1, wherein the first support and the second support are both rod members;
the second support part is of a hollow structure, the inner diameter of the second support part is larger than the outer diameter of the first support part, and one end of the first support part is inserted into one end of the second support part; one end of the second supporting piece is provided with a clasping structure which clasps the first supporting piece.
3. The extracorporeal fixation apparatus for bone surgery of claim 2, wherein the clasping structure comprises a first clip disposed at an end of the second support member.
4. The extracorporeal fixing device for orthopedic surgery of claim 2, wherein the inner wall of the second support rod of the hollow structure is provided with a plurality of damping beads arranged at intervals along the axial direction near one end of the embracing structure.
5. The extracorporeal fixing apparatus for orthopedic surgery according to any one of claims 1-4, wherein the upper fixing portion and/or the lower fixing portion comprises a positioning needle, a slidable pressing member is arranged on the positioning needle in a penetrating manner, and the pressing member axially presses the surrounding portion of the positioning needle passing through the skin.
6. The extracorporeal fixing device for orthopedic surgery of claim 5, wherein the compressing member comprises a second clip, the second clip is sleeved on the positioning pin, and the second clip applies force to clasp the positioning pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921039122.6U CN210631290U (en) | 2019-07-05 | 2019-07-05 | External fixing device for orthopedic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921039122.6U CN210631290U (en) | 2019-07-05 | 2019-07-05 | External fixing device for orthopedic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210631290U true CN210631290U (en) | 2020-05-29 |
Family
ID=70791343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921039122.6U Active CN210631290U (en) | 2019-07-05 | 2019-07-05 | External fixing device for orthopedic surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210631290U (en) |
-
2019
- 2019-07-05 CN CN201921039122.6U patent/CN210631290U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20120078251A1 (en) | External Fixator Linkage | |
| FR2865373B1 (en) | MATERIAL OF VERTEBRAL OSTEOSYNTHESIS | |
| WO2004045451A2 (en) | Apparatus and method for maintaining bones in a healing position | |
| CN108670530B (en) | A kind of clinical fixed device in medical treatment orthopaedics ward | |
| CN103445839B (en) | Ankle multidimensional regulation-control orthosis | |
| CN103445834B (en) | Fast drawing extension rod | |
| CN103445842B (en) | Talipes equines orthosis | |
| CN103445840B (en) | Talipes calcaneus multifunctional regulation control outer fixer | |
| CN210631290U (en) | External fixing device for orthopedic surgery | |
| CN103445835B (en) | Hip joint correction and thighbone extender | |
| US9381129B1 (en) | External fixator leg assist apparatus | |
| CN209032600U (en) | A kind of Simple lower-limbs fracture reduction tractor | |
| CN215018733U (en) | Single-rod four-nail external fixing frame for fracture | |
| CN212592369U (en) | Building block type orthopedic external fixing support ring capable of being rapidly disassembled | |
| CN111759432B (en) | Building block type external fixing support ring capable of being quickly disassembled for orthopaedics | |
| CN210228601U (en) | Fracture auxiliary reset mechanism | |
| CN210494522U (en) | Knee joint replacement operation auxiliary stand | |
| CN203425015U (en) | Rapid-drawing extension rod | |
| CN209091601U (en) | A kind of orthopaedics reduction pinning device | |
| CN109480927A (en) | Retractor for general surgery operation | |
| RU2183435C2 (en) | Device for making reposition and osteosynthesis of forearm bones | |
| CN213156384U (en) | Clinical nail device of getting of orthopedics | |
| CN216168652U (en) | Hand operation position fixing support | |
| CN213372806U (en) | Femoral shaft suspension traction device | |
| KR101594991B1 (en) | Orthopedic surgical clamping apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |