CN210521083U - Pelvis fracture reduction fixing kit - Google Patents
Pelvis fracture reduction fixing kit Download PDFInfo
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- CN210521083U CN210521083U CN201920433654.1U CN201920433654U CN210521083U CN 210521083 U CN210521083 U CN 210521083U CN 201920433654 U CN201920433654 U CN 201920433654U CN 210521083 U CN210521083 U CN 210521083U
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Abstract
The utility model relates to a pelvis fracture fixed external member that resets uses with the cooperation of X-ray machine, and its difference lies in: it comprises a fixed mount which is connected with the bed body; the head end of the adjusting frame is connected to the fixed frame, the adjusting frame comprises at least three sections of adjusting rods which are sequentially connected end to end and connecting pieces for connecting two adjacent adjusting rods, at least one connecting piece is a connecting rotating shaft, and at least one connecting piece is a connecting sleeve; and the positioning cylinder is connected to the tail end of the adjusting frame and is provided with a first positioning hole for the Kirschner wire to pass through and two second positioning holes for the stimulating needle of the nerve stimulator to pass through, and the two second positioning holes are respectively parallel to the first positioning hole and symmetrically arranged at two sides of the first positioning hole. The utility model discloses simple structure, easily operation, full mechanical structure can manual operation, can universal change direction, also can fixed direction, can make the ke shi needle reach required position accurately, has improved the success rate that resets and fix.
Description
Technical Field
The utility model belongs to the technical field of medical instrument and specifically relates to a pelvis fracture fixed external member that resets.
Background
Pelvic fracture is a very serious and dangerous fracture that, if severe, can cause shock and even death to the patient. In 10 thousands of people, about 20 to 37 people will have pelvic fractures, accounting for about 0.3 to 6 percent of all fractures. The mortality rate of pelvic fractures without soft tissue or internal organ injury was 10.8%, and the mortality rate of complicated pelvic trauma was 31.1%. Veins accompanying the artery and extraordinarily abundant vein plexus are also arranged in the pelvic cavity, and the area of the veins is about 10-15 times of that of the artery and the veins are communicated with each other. The bones of the pelvis are mainly cancellous bones, the muscles of the pelvis wall are large, and a plurality of arterial plexuses and venous plexuses are arranged nearby, so extensive bleeding can be caused after fracture. The drought death of patients with severe pelvic multiple injuries usually occurs from minutes to hours after injury, accounting for about 30 percent of the total death, and the bleeding due to fracture is still the leading cause of death of patients with pelvic fracture. The more unstable the pelvic fracture, the greater the corresponding bleeding, and the greater the amount of bleeding the patient is at risk. It is important to reduce and fix the fracture as early as possible.
At present, the pelvis fracture is mainly realized by combining incision reduction with steel plate internal fixation or external fixation support. Incision reduction and steel plate internal fixation bleeding amount are often large, and blood loss and shock symptoms are aggravated when the incision reduction and steel plate internal fixation are operated. While the external fixation frame has a fixation effect on the pelvis but no compression effect on the broken ends. In addition, the patient has less blood loss when the patient is in closed reduction. However, since the pelvis is irregular in shape and thickness, the requirements for positioning, orientation, introduction, restoration, and fixation are high, and the operation is difficult.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a pelvis fracture fixed external member that resets, simple structure, easily operation, full mechanical structure can manual operation, can universal direction of change, also can fix the direction, can make ke shi needle reach required position accurately, has improved the success rate that resets and fix.
For solving the above technical problem, the technical scheme of the utility model is that: pelvis fracture reduction fixes external member, uses with the cooperation of X-ray machine, and its difference lies in:
the bed comprises a fixed frame, wherein the fixed frame is connected to a bed body;
the head end of the adjusting frame is connected to the fixed frame, the adjusting frame comprises at least three sections of adjusting rods which are sequentially connected end to end and connecting pieces for connecting two adjacent adjusting rods, at least one connecting piece is a connecting rotating shaft, and at least one connecting piece is a connecting sleeve;
and
the positioning cylinder is connected to the tail end of the adjusting frame and provided with a first positioning hole for the Kirschner wire to penetrate through and two second positioning holes for the stimulating needle of the nerve stimulation instrument to penetrate through, and the two second positioning holes are respectively parallel to the first positioning hole and symmetrically arranged on two sides of the first positioning hole.
According to the technical scheme, the fixing frame is constructed into a rod-shaped structure which is arranged on one side of the bed body and vertically extends upwards.
According to the technical scheme, the first thread part is formed in the outer peripheral face of the connecting rotating shaft, the connecting piece further comprises two first locking parts, the two first locking parts are respectively matched with the second thread part matched with the first thread part, and the two first locking parts can be matched with each other to clamp two adjusting rods connected through the connecting rotating shaft.
According to the technical scheme, the connecting sleeve comprises an outer cylinder part and an inner cylinder part arranged in the outer cylinder part, a third thread part is arranged on the outer peripheral surface of the inner cylinder part, a connecting hole matched with the adjusting rod is arranged on the inner cylinder part, elastic deformation notches extending along the axial direction of the inner cylinder part and communicated with the connecting hole are symmetrically arranged on the inner cylinder part, the inner peripheral surface of the outer cylinder part is constructed into a conical surface, and a fourth thread part matched with the third thread part is arranged on the inner peripheral surface of the outer cylinder part.
According to the technical scheme, the positioning cylinder can rotate relative to the adjusting frame.
According to the technical scheme, the pelvis fracture reduction and fixation kit further comprises a support frame detachably arranged on the bed body, a lifting rod detachably arranged on the support frame and a fixing piece used for fixing the Kirschner wire on the lifting rod.
According to the technical scheme, the two support frames are symmetrically arranged on the two sides of the bed body.
According to above technical scheme, the mounting include the stopper, with two fixation clamps of kirschner wire complex and two second locking portions, two fixation clamp and stopper cover are located on the lifting rod, just the stopper is located two between the fixation clamp, fifth screw thread portion has been seted up on the outer peripheral face of lifting rod, seted up in the second locking portion with fifth screw thread portion complex sixth screw thread portion, two second locking portion can mutually support in order to press from both sides tightly two fixation clamp and stopper.
Contrast prior art, the beneficial characteristics of the utility model are that: after the pelvis fracture reduction fixing kit is used in a matched manner to irradiate the pelvis fracture position by using an X-ray machine, the position and the angle of the Kirschner wire can be adjusted by adjusting the adjusting frame, so that the Kirschner wire can accurately reach the required position, and the reduction and fixing success rate is improved; larger nerves and blood vessels around the pelvis can be roughly determined through an X-ray machine, and then the existence of important nerves around the path of the Kirschner wire can be detected by using the Kirschner wire parallel to the stimulating needle of the nerve stimulator, so that the damage to the important nerves is avoided; the kit can also be folded to save space.
Drawings
FIG. 1 is a view showing the use of the reduction and fixation kit for pelvic fracture according to the embodiment of the present invention;
FIG. 2 is an enlarged view of the connection between the fixing frame, the adjusting frame and the positioning barrel in FIG. 1;
FIG. 3 is an enlarged view of the coupling sleeve of FIG. 2;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is a front view of the inner barrel of FIG. 3;
FIG. 6 is an enlarged schematic view of the connection between the adjustment rod and the adapter sleeve of FIG. 2, wherein the adapter sleeve is shown in partial diagrammatic view only;
FIG. 7 is an enlarged view of the positioning cylinder of FIG. 2;
FIG. 8 is a cross-sectional view of FIG. 7;
FIG. 9 is an enlarged view of the connection between the adjusting bracket and the positioning barrel in FIG. 2;
FIG. 10 is a view showing the use of the reduction and fixation kit for pelvic fracture according to the embodiment of the present invention;
FIG. 11 is a view showing the use of the reduction and fixation kit for pelvic fracture according to the embodiment of the present invention;
FIG. 12 is an enlarged view of the connection between the supporting frame, the lifting rod and the fixing member in the embodiment of the present invention;
FIG. 13 is a schematic structural view of a C-arm X-ray machine according to an embodiment of the present invention;
FIG. 14 is a schematic view of the installation positions of the Kirschner wire and the hollow nail of the customer in the embodiment of the present invention;
wherein: 1-fixed frame, 2-adjusting frame (201-first connecting piece (2011-first locking part), 202-second connecting piece (2021-outer cylinder part (2021 a-inner circumferential surface of outer cylinder part), 2022-inner cylinder part (20221-connecting hole, 20222-elastic deformation notch)), 203-first adjusting rod (2031-first adjusting rod tail end limiting arm), 204-second adjusting rod (2041-second adjusting rod head end limiting arm, 2042-second adjusting rod tail end limiting arm), 205-third adjusting rod (2051-third adjusting rod head end limiting arm), 206-fourth adjusting rod (2061-fourth adjusting rod tail end limiting arm), 207-fifth adjusting rod (2071-fifth adjusting rod head end limiting arm), 208-sixth adjusting rod), 3-positioning barrel (301-first positioning hole, 2071-fourth adjusting rod, 302-second positioning hole, 303-connecting rod), 4-bed body, 5-Kirschner wire, 6-rotating shaft, 7-third locking part, 8-C-shaped arm X-ray machine, 9-supporting frame (901-cross rod, 902-longitudinal rod), 10-lifting rod, 11-fixing piece (1101-limiting block, 1102-fixing clamp, 1103-second locking part), 12-rope belt and 13-orthopedic hollow nail.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 14, the pelvis fracture reduction fixing kit according to the embodiment of the present invention is used in combination with a C-arm X-ray machine 14, a B-ultrasonic machine, or a CT machine, and can precisely position, reduce and pressurize the closed pelvis fracture. The pelvis fracture reduction fixing kit comprises a fixing frame 1, an adjusting frame 2 and a positioning cylinder 3 which are connected in sequence. Wherein the fixed mount 1 is connected with the bed body 4. The head end of the adjusting frame 2 is connected to the fixing frame 1, and the tail end of the adjusting frame 2 is connected with the positioning cylinder 3. The adjusting frame 2 comprises at least three sections of adjusting rods which are sequentially connected end to end and a connecting piece which is connected with two adjacent adjusting rods. Each adjusting rod can rotate around the axis of the connecting piece connected with the adjusting rod. The connecting parts are divided into a first connecting part 201 and a second connecting part 202, wherein at least one connecting part is the first connecting part 201 and at least one connecting part is the second connecting part 202, the first connecting part 201 is configured to be connected with a rotating shaft, and the second connecting part 202 is configured to be connected with a sleeve. When the positioning cylinder 3 is used, in order to prevent the kirschner wire from damaging nerves, the first positioning hole 301 suitable for the kirschner wire 5 to penetrate through and the two second positioning holes 302 suitable for the stimulating needles of the nerve stimulation instrument to penetrate through are arranged on the positioning cylinder, the two second positioning holes 302 are respectively arranged on two sides of the first positioning hole 301 in a row corresponding to the first positioning hole 301 and are symmetrically arranged on two sides of the first positioning hole 301, and the stimulating needles inserted into the second positioning holes 302 can detect whether important nerves are arranged around, so that the damage to the main nerves is reduced.
Referring to fig. 1, in the embodiment of the present invention, the fixing frame 1 is configured as a rod-shaped structure disposed at one side of the bed 4 and extending vertically upward. Referring to fig. 2, the adjusting frame 2 includes a first adjusting rod 203, a second adjusting rod 204, a third adjusting rod 205, a fourth adjusting rod 206, a fifth adjusting rod 207, a sixth adjusting rod 208, three first connecting members 201 and two second connecting members 202, which are sequentially connected end to end. The head end of the first adjusting rod 203 is connected with the fixing frame 1, the tail end of the first adjusting rod 203 is connected with the head end of the second adjusting rod 204 through the first connecting piece 201, the tail end of the second adjusting rod 204 is connected with the head end of the third adjusting rod 205 through the first connecting piece 201, the tail end of the third adjusting rod 205 is connected with the head end of the fourth adjusting rod 206 through the second connecting piece 202, the tail end of the fourth adjusting rod 206 is connected with the head end of the fifth adjusting rod 207 through the first connecting piece 201, the tail end of the fifth adjusting rod 207 is connected with the head end of the sixth adjusting rod 208 through the second connecting piece 202, the tail end of the sixth adjusting rod 208 is connected with the positioning cylinder 3 through the connecting rod 303, the connecting rod 303 is formed on the outer side surface of the positioning cylinder 3 and is connected with.
Referring to fig. 2, in order to fix the two adjustment rods connected by the first connecting member 201 and prevent the two adjustment rods from rotating continuously after rotating to a desired position, a first threaded portion is formed on an outer circumferential surface of the first connecting member 201, the first connecting member 201 further includes two first locking portions 2011, a second threaded portion matched with the first threaded portion is formed on each of the two first locking portions 2011, and the two first locking portions 2011 can be matched with each other to clamp the two adjustment rods connected by the first connecting member 201.
Referring to fig. 3 to 6, in order to effectively rotate and fix the adjustment lever, the second connector 202 includes an outer cylinder portion 2021 and an inner cylinder portion 2022 disposed inside the outer cylinder portion 2021, a third screw portion is disposed on an outer circumferential surface of the inner cylinder portion 2022, a connection hole 20221 matched with the adjustment lever is disposed on the inner cylinder portion 2022, an elastically deformable notch 20222 extending along an axial direction of the inner cylinder portion 2022 and communicating with the connection hole 20221 is further symmetrically disposed on the inner cylinder portion 2022, an inner circumferential surface 2021a of the outer cylinder portion is configured as a conical surface, and a fourth screw portion matched with the third screw portion is disposed on an inner circumferential surface 2021a of the outer cylinder portion. During assembly, the ends of the two adjusting rods are inserted into the connecting holes 20221 of the inner cylinder portion 2022, the outer cylinder portion 2021 is sleeved on the periphery of the inner cylinder portion 2022, the outer cylinder portion 2021 is screwed until the elastic deformation gap 20222 is extruded and deformed to enable the inner cylinder portion 2022 to clamp the two adjusting rods, fixation is completed, when the adjusting rods connected through the second connecting piece 202 need to be rotated, the outer cylinder portion 2021 is screwed until the elastic deformation gap 202222 is restored to the original state, at the moment, the adjusting rods can be rotated, and after the adjusting rods are rotated to the required positions, the outer cylinder portion 2021 is screwed until the adjusting rods are fixed.
Referring to fig. 2, in the embodiment of the present invention, in order to match the two adjusting rods connected by the first connecting member 201 more accurately, the rotation precision is improved. The tail end of first regulation pole 203 is formed with two first regulation pole tail end spacing arms 2031, have the interval between two first regulation pole tail end spacing arms 2031, the head end of second regulation pole 204 is formed with the spacing arm 2041 of second regulation pole head end of three interval arrangement, during the assembly, two first regulation pole tail end spacing arms 2031 insert respectively in the interval between the spacing arm 2041 of three second regulation pole head end, the spacing arm 2041 of second regulation pole head end that is located in the middle inserts in the interval of two first regulation pole tail end spacing arms 2031, first connecting piece 201 passes two first regulation pole tail end spacing arms 2031 and the spacing arm 2041 of three second regulation pole head end in order to connect first regulation pole 203 and second regulation pole 204. The tail end of second regulation pole 204 is formed with two second regulation pole tail end spacing arms 2042, two second regulation pole tail end spacing arms 2042 have the interval between them, the head end of third regulation pole 205 is formed with the spacing arm 2051 of third regulation pole head end of three interval arrangement, during the assembly, two second regulation pole tail end spacing arms 2042 insert the interval between the spacing arm 2051 of three third regulation pole head end, the spacing arm 2051 of third regulation pole head end that is located in the middle inserts the interval of two second regulation pole tail end spacing arms 2042, first connecting piece 201 passes two second regulation pole tail end spacing arms 2042 and the spacing arm 2051 of three third regulation pole head end in order to connect second regulation pole 204 and third regulation pole 205. The tail end of the fourth adjusting rod 206 is formed with two fourth adjusting rod tail end limiting arms 2061, a space is arranged between the two fourth adjusting rod tail end limiting arms 2061, the head end of the fifth adjusting rod 207 is formed with three fifth adjusting rod head end limiting arms 2071 arranged at intervals, during assembly, the two fourth adjusting rod tail end limiting arms 2061 are inserted into the space between the three fifth adjusting rod head end limiting arms 2071, the fifth adjusting rod head end limiting arm 2071 in the middle is inserted into the space between the two fourth adjusting rod tail end limiting arms 2061, the first connecting piece 201 passes the two fourth adjusting rod tail end limiting arms 2061 and the three fifth adjusting rod head end limiting arms 2071 to connect the fourth adjusting rod 206 and the fifth adjusting rod 207.
Referring to fig. 9, a seventh thread portion is formed on the outer circumferential surface of the rotating shaft 6, the pelvis fracture reduction fixing kit further includes two third locking portions 7, an eighth thread portion matched with the seventh thread portion is formed on the third locking portion 7, and the connecting rod 303 is connected with the sixth adjusting rod 208 through the rotating shaft 6 and locked by the two third locking portions 7. To rotate the positioning cylinder 3, the third locking portion 7 is unscrewed to rotate the positioning cylinder 3, as shown in fig. 9. When the positioning cylinder 3 needs to be fixed, the third locking part 7 is screwed until the connecting rod 303 and the sixth adjusting rod 208 are clamped.
Referring to fig. 10 to 12, in order to lift and fix the kirschner wire 5 for reducing the fractured end, the pelvis fracture reduction and fixation kit further comprises a support frame 9 detachably fixed on the bed 4, at least one lifting rod 10 detachably fixed on the support frame 9, and a fixing member 11 for fixing the kirschner wire 5 on the lifting rod 10.
Preferably, in order to support the lifting rod 10, two support frames 9 are provided and are symmetrically arranged on two sides of the bed body 4. Each support frame 9 comprises a cross bar 901 positioned above one side of the bed body 4 and at least two longitudinal bars 902 connecting the cross bar 901 and the bed body 4. The two ends of the lifting rod 10 can be respectively tied and fixed on the cross bar 901 or the longitudinal bar 902 of the support frame 9 on any side through the rope belts 12.
Referring to fig. 12, the fixing member 11 includes a stopper 1101, two fixing clips 1102 engaged with the k-wire 5, and two second locking portions 1103. The second locking portion 1103 in fig. 12 shows only a partial structure, and the structure thereof is the same as that of the first locking portion 2011. The two fixing clips 1102 and the limiting block 1101 are sleeved on the lifting rod 10, the limiting block 1101 is located between the two fixing clips 1102, a fifth threaded portion is formed in the outer peripheral surface of the lifting rod 10, a sixth threaded portion matched with the fifth threaded portion is formed in the second locking portion 1103, and the two second locking portions 1103 can be matched with each other to clamp the two fixing clips 1102 and the limiting block 1101.
The embodiment of the utility model provides a pelvis fracture reduction fixes external member is less than general opening the damage that resets, and it is high to restore to the throne the degree of accuracy than blind spying, and easy operation can pure manual operation, low cost, but the practicality is strong, can be with basic unit's medical treatment.
Referring to fig. 1 to 14, a specific application method of the pelvis fracture reduction and fixation kit according to the embodiment of the present invention is as follows:
step 1), enabling a patient to lie on the bed body 4;
step 2), more than two Kirschner wires are placed, the front end of each Kirschner wire 5 is placed into the broken end bone, the rear end of each Kirschner wire is left outside the body of the patient, and then the Kirschner wires are adjusted by referring to X-ray images until the displaced broken end of the fracture is reset in place;
step 3), fixing the kirschner wire 5 in the step 2) on the lifting rod 10, and fixing the lifting rod 10 on the support frame 9 to fix the broken end bone and the support frame 9, as shown in fig. 10 and 11;
step 4), roughly determining the insertion direction of the kirschner wire 5 matched with the orthopedic hollow nail 13 according to the X-ray result, and connecting the fixed frame 1, the adjusting frame 2 and the positioning cylinder 3;
step 5), after the positioning cylinder 3 is positioned to the approximate direction, the adjusting frame 2 and the patient are irradiated by an X-ray machine, the adjusting frame 2 is accurately adjusted until the central axis of the positioning cylinder 3 is positioned in the inserting direction of the Kirschner wire, and the adjusting frame 2 is fixed after reaching the position;
step 6), referring to fig. 1, placing the kirschner wire 5, and placing the kirschner wire 5 into the bone until the kirschner wire 5 reaches the target position through observation of an X-ray machine;
step 7), placing the orthopedic hollow nail 13 along the kirschner wire 5;
step 8), taking out the Kirschner wire 5 after fixing the orthopedic hollow nail 13;
and 9) suturing the small wound of the skin, and finishing the operation.
The above description is made for further details of the present invention with reference to specific embodiments, and it should not be understood that the embodiments of the present invention are limited to these descriptions, and it is obvious to those skilled in the art that the present invention belongs to the technical field, and a plurality of simple deductions or replacements can be made without departing from the concept of the present invention, and all should be considered as belonging to the protection scope of the present invention.
Claims (8)
1. Pelvis fracture reduction fixes external member, uses with the cooperation of X-ray machine, its characterized in that:
the bed comprises a fixed frame, wherein the fixed frame is connected to a bed body;
the head end of the adjusting frame is connected to the fixed frame, the adjusting frame comprises at least three sections of adjusting rods which are sequentially connected end to end and connecting pieces for connecting two adjacent adjusting rods, at least one connecting piece is a connecting rotating shaft, and at least one connecting piece is a connecting sleeve;
and
the positioning cylinder is connected to the tail end of the adjusting frame and provided with a first positioning hole for the Kirschner wire to penetrate through and two second positioning holes for the stimulating needle of the nerve stimulation instrument to penetrate through, and the two second positioning holes are respectively parallel to the first positioning hole and symmetrically arranged on two sides of the first positioning hole.
2. The pelvic fracture reduction fixation kit of claim 1, wherein: the fixing frame is constructed into a rod-shaped structure which is arranged on one side of the bed body and extends vertically upwards.
3. The pelvic fracture reduction fixation kit of claim 1, wherein: first screw thread portion has been seted up on the outer peripheral face of connecting the pivot, the connecting piece still includes two first locking portions, two on the first locking portion respectively with seted up first screw thread portion complex second screw thread portion, two first locking portion can mutually support in order to press from both sides two regulation poles of pressing from both sides tightly through connecting the pivot and connecting.
4. The pelvic fracture reduction fixation kit of claim 1, wherein: the connecting sleeve comprises an outer cylinder part and an inner cylinder part arranged in the outer cylinder part, wherein a third thread part is arranged on the outer peripheral surface of the inner cylinder part, a connecting hole matched with the adjusting rod is arranged on the inner cylinder part, elastic deformation notches extending along the axial direction of the inner cylinder part and communicated with the connecting hole are symmetrically arranged on the inner cylinder part, the inner peripheral surface of the outer cylinder part is constructed into a conical surface, and a fourth thread part matched with the third thread part is arranged on the inner peripheral surface of the outer cylinder part.
5. The pelvic fracture reduction fixation kit of claim 1, wherein: the positioning cylinder can rotate relative to the adjusting frame.
6. The pelvic fracture reduction fixation kit of any of claims 1 to 5, wherein: the pelvis fracture reduction and fixation kit further comprises a support frame detachably arranged on the bed body, a lifting rod detachably arranged on the support frame and a fixing piece used for fixing the Kirschner wire on the lifting rod.
7. The pelvic fracture reduction fixation kit of claim 6, wherein: the support frame has two, and the symmetry is located the both sides of bed body.
8. The pelvic fracture reduction fixation kit of claim 6, wherein: the mounting includes the stopper, with two fixation clamps of kirschner wire complex and two second locking portions, two fixation clamp and stopper cover are located on the lifting rod, just the stopper is located two between the fixation clamp, fifth screw thread portion has been seted up on the outer peripheral face of lifting rod, seted up in the second locking portion with fifth screw thread portion complex sixth screw thread portion, two second locking portion can mutually support in order to press from both sides tightly two fixation clamp and stopper.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920433654.1U CN210521083U (en) | 2019-04-02 | 2019-04-02 | Pelvis fracture reduction fixing kit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920433654.1U CN210521083U (en) | 2019-04-02 | 2019-04-02 | Pelvis fracture reduction fixing kit |
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| CN210521083U true CN210521083U (en) | 2020-05-15 |
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| CN201920433654.1U Active CN210521083U (en) | 2019-04-02 | 2019-04-02 | Pelvis fracture reduction fixing kit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109864811A (en) * | 2019-04-02 | 2019-06-11 | 王庆元 | Pelvic fracture replacement and fixation external member |
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2019
- 2019-04-02 CN CN201920433654.1U patent/CN210521083U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109864811A (en) * | 2019-04-02 | 2019-06-11 | 王庆元 | Pelvic fracture replacement and fixation external member |
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