CN219814285U - Bone cement pouring device - Google Patents
Bone cement pouring device Download PDFInfo
- Publication number
- CN219814285U CN219814285U CN202321304576.8U CN202321304576U CN219814285U CN 219814285 U CN219814285 U CN 219814285U CN 202321304576 U CN202321304576 U CN 202321304576U CN 219814285 U CN219814285 U CN 219814285U
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- CN
- China
- Prior art keywords
- bone cement
- bone
- pouring
- connector
- screw
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- 239000002639 bone cement Substances 0.000 title claims abstract description 110
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 42
- 238000001802 infusion Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 208000010392 Bone Fractures Diseases 0.000 description 13
- 208000001132 Osteoporosis Diseases 0.000 description 11
- 206010017076 Fracture Diseases 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 210000004872 soft tissue Anatomy 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 206010020462 Humerus fracture Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010016970 Foot fracture Diseases 0.000 description 1
- 206010037802 Radius fracture Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Abstract
The utility model provides a bone cement pouring device, which relates to the technical field of bone cement filling devices and comprises a bone cement propeller, wherein the bone cement propeller comprises a bone cement cylinder and a bone cement rotating rod which are in threaded connection, and a connecting pipe is in threaded connection with the end part of the bone cement cylinder; the end part of the connecting pipe is provided with a fixing part, and the connector is detachably connected with the fixing part; the bone screw is in threaded connection with the connector and is provided with a pouring hole; the bone cement propeller and the connector are communicated with the bone screw and used for pouring bone cement to the focus part through the pouring hole; the utility model is suitable for pouring bone cement, and can realize that the screw is firstly implanted and then poured through the pouring hole of the screw, thereby simplifying the pouring flow, avoiding the leakage of the bone cement and improving the pouring effect of the bone cement.
Description
Technical Field
The utility model relates to the technical field of bone cement fillers, in particular to a bone cement pouring device.
Background
Osteoporosis is a health problem that has attracted worldwide attention, and is becoming increasingly appreciated. At present, the incidence of osteoporosis has jumped to the 7 th place of common diseases and frequently occurring diseases. Osteoporosis has been more than 2 million people worldwide. China: about 6300 tens of thousands of people in China suffer from osteoporosis with different degrees, and the prevalence rate of the people is 5.25%. Patients with osteoporosis have difficulty in performing internal fixation surgery after careless fracture in life, and the recovery efficiency of patients with osteoporosis after fracture is far lower than that of normal fracture patients. For most proximal humerus fractures, satisfactory results can be obtained by conservative or surgical treatment. However, in elderly patients with early osteoporosis, there are still problems in achieving good therapeutic effects. For the elderly suffering from early osteoporosis, the fracture is usually unstable, long-term braking is required when conservative treatment is adopted, the activity is limited, and in order to solve the problems, the treatment can be finished by adopting a method of implanting bone cement into the bone of an osteoporosis patient, so that a stable internal fixation effect is achieved.
The operation of fixing the bone cement in the marrow of the proximal humerus fracture of the elderly and the enhancement of the osteoporosis bone by the bone cement are also beneficial to the treatment of distal femur, distal radius and calcaneus fracture. Stability is improved by the reinforcing effect of bone cement, allowing immediate postoperative activity, and thus this method is a more suitable treatment for elderly patients suffering from early osteoporosis.
The prior operation of bone cement pouring and fixing is generally carried out by pre-perforating a focus part, directly filling bone cement into a hole by a bone cement filler, and then implanting a screw into the hole, wherein the mode has complicated channel establishment process, increases the operation time of operation, and simultaneously ensures that the bone cement is easy to leak to surrounding soft tissues or to adjacent joints through fracture parts.
Disclosure of Invention
The utility model aims to provide a bone cement pouring device which solves the problems that when bone cement is poured and fixed, holes are punched and then poured, and then screws are implanted, the process is complicated, and bone cement is easy to leak to surrounding soft tissues or adjacent joints.
The embodiment of the utility model is realized by the following technical scheme: a bone cement infusion device, comprising: the bone cement propeller comprises a bone cement cylinder and a bone cement rotating rod which are in threaded connection, wherein the end part of the bone cement cylinder is in threaded connection with a connecting pipe; the end part of the connecting pipe is provided with a fixing part, and the connector is detachably connected with the fixing part; the bone screw is in threaded connection with the connector and is provided with a pouring hole; the bone cement propeller and the connector are communicated with the bone screw and used for pouring bone cement to the focus part through the pouring hole;
further, the upper part of the connector is provided with a first thread, the fixing part is connected with the connector through the first thread, the lower part of the connector is provided with a second thread, and the bone screw is connected with the connector through the second thread;
further, a half groove and a pouring channel are communicated with each other in the connector, and the diameter of the half groove is larger than that of the pouring channel;
further, the bone screw is provided with an internal thread corresponding to the second thread, and is also provided with an external thread;
further, a plurality of pouring holes are distributed at intervals along the ring shape;
further, the bone cement rotating rod is connected with a grab handle;
further, the bone fracture locking device also comprises a locking bone fracture plate, wherein the locking bone fracture plate is provided with a plurality of guide holes, and a plurality of bone fracture screws penetrate through the guide holes to be connected with bones.
The technical scheme of the utility model has at least the following advantages and beneficial effects: through the arrangement of the bone cement propeller, bone cement can be filled in the bone cement cylinder in advance, and meanwhile, the bone cement is poured by utilizing the bone cement rotating rod according to the requirement; secondly, through the arrangement of the connector, the bone screw and the bone cement propeller can be communicated, so that bone cement can be poured into the bone screw; and thirdly, through the arrangement of the pouring holes of the bone screw, bone cement can be directly poured into the focus part, so that the pouring operation flow of the bone cement can be simplified, meanwhile, the bone cement is poured after the screw is implanted, the problem that the bone cement leaks to surrounding soft tissues or adjacent joints is avoided, and the pouring effect of the bone cement is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a bone cement pouring device according to an embodiment of the present utility model;
fig. 2 is a schematic structural view of a bone cement pusher of the bone cement pouring device according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of a connector of a bone cement pouring device according to an embodiment of the present utility model;
fig. 4 is a cross-sectional view of a connector of a bone cement infusion apparatus provided by an embodiment of the utility model;
fig. 5 is a schematic structural view of a bone screw of the bone cement pouring device according to an embodiment of the present utility model;
FIG. 6 is a cross-sectional view of a bone screw of a bone cement infusion apparatus provided by an embodiment of the utility model;
fig. 7 is a schematic view illustrating an operating state of a bone cement pouring device according to an embodiment of the present utility model.
Icon: 1-bone cement propeller, 2-connector, 3-bone screw, 4-grab handle, 5-locking bone plate, 11-bone cement cylinder, 12-bone cement rotating rod, 13-connecting pipe, 14-fixed part, 21-first screw thread, 22-second screw thread, 23-half groove, 24-pouring channel, 31-pouring hole, 32-internal screw thread, 33-external screw thread, 51-guiding hole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
This embodiment provides a bone cement infusion apparatus, as shown in fig. 1-7, comprising: the bone cement propeller 1 comprises a bone cement cylinder 11 and a bone cement rotating rod 12 which are in threaded connection, wherein a connecting pipe 13 is in threaded connection with the end part of the bone cement cylinder 11; the end part of the connecting pipe 13 of the connector 2 is provided with a fixing part 14, and the connector 2 is detachably connected with the fixing part 14; bone screw 3, bone screw 3 is connected with the threaded connection of the connector 2, the bone screw 3 has perfusion hole 31; the bone cement pusher 1 and the connector 2 are in communication with a bone screw 3 for injecting bone cement through an injection hole 31 to a focal site.
It should be noted that, by setting the bone cement pusher 1, bone cement can be filled in the bone cement cylinder 11 in advance, and simultaneously the bone cement can be poured by the bone cement rotating rod 12 according to the requirement; secondly, through the arrangement of the connector 2, the bone screw 3 can be communicated with the bone cement propeller 1, so that bone cement can be poured into the bone screw 3; finally, through setting up of the filling hole 31 of the bone screw 3, can directly pour into the focus position with bone cement, and then can simplify the operation flow of pouring bone cement, simultaneously, carry out the pouring of bone cement again after the screw is planted, avoided the bone cement to the problem of peripheral soft tissue or adjacent joint leakage, promoted the effect of pouring of bone cement.
1-2, as shown in figure 1, including bone cement barrel 11 and bone cement turning rod 12, the inner wall of bone cement barrel 11 has screw thread, bone cement turning rod 12 has screw thread section correspondingly, rotate bone cement turning rod 12 make it connect with bone cement barrel 11 screw thread, and then squeeze bone cement in bone cement barrel 11 through rotating bone cement turning rod 12, realize the pouring of bone cement, bone cement turning rod 12 has pegged graft and has been held 4, has promoted the rotation efficiency of bone cement turning rod 12; the end of the bone cement cylinder 11 is connected with a connecting pipe 13 in a threaded manner, the connecting pipe 13 is provided with a radian with bending, and the end is sleeved with a fixing part 14.
The connector 2, as shown in fig. 3-4, is provided with a first thread 21 on the upper portion, the fixing part 14 is connected with the connector 2 through the first thread 21, a second thread 22 is provided on the lower portion of the connector 2, a half groove 23 and a pouring channel 24 are communicated with each other inside the connector 2, the diameter of the half groove 23 is larger than that of the pouring channel 24, a certain volume of bone cement can be poured into the half groove 23 of the connector 2, and then the bone cement is poured through the pouring channel 24 with a relatively small aperture, so that the stability of bone cement pouring is improved.
5-6, the top of the bone screw 3 is provided with an internal thread 32, and the internal thread 32 is arranged corresponding to the second thread 22 of the connector 2, so that the lower part of the connector 2 can be screwed into the bone screw 3 to realize the communication between the connector 2 and the bone screw 3; the bone screw 3 is also provided with external threads 33, and can be connected with bone by rotating the bone screw 3, and the bone screw 3 is provided with pouring holes 31 along annular interval distribution, so that bone cement can be evenly poured into focus positions, and the pouring effect of the bone cement is further improved.
The locking bone fracture plate 5, as shown in fig. 7, the locking bone fracture plate 5 is provided with a plurality of guide holes 51, and a plurality of bone fracture screws 3 penetrate through the guide holes 51 and are connected with bones, so that the relative positions of the bone fracture screws 3 and the bones can be fixed, and the stability of bone cement pouring is improved.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A bone cement infusion apparatus, comprising:
the bone cement propeller (1) comprises a bone cement cylinder (11) and a bone cement rotating rod (12) which are in threaded connection, wherein a connecting pipe (13) is in threaded connection with the end part of the bone cement cylinder (11);
the connector (2) is characterized in that a fixing part (14) is arranged at the end part of the connecting pipe (13), and the connector (2) is detachably connected with the fixing part (14);
a bone screw (3), wherein the bone screw (3) is in threaded connection with the connector (2), and the bone screw (3) is provided with a pouring hole (31);
the bone cement propeller (1) and the connector (2) are communicated with the bone screw (3) and are used for pouring bone cement to a focus part through the pouring hole (31).
2. Bone cement pouring device according to claim 1, characterized in that the connector (2) is provided with a first thread (21) at its upper part, the fixation means (14) being connected to the connector (2) by means of the first thread (21), the connector (2) being provided with a second thread (22) at its lower part, the bone screw (3) being connected to the connector (2) by means of the second thread (22).
3. Bone cement pouring device according to claim 2, characterized in that the connector (2) is internally provided with a half-groove (23) and a pouring channel (24) communicating, the diameter of the half-groove (23) being larger than the diameter of the pouring channel (24).
4. A bone cement pouring device as claimed in claim 3, characterized in that the bone screw (3) is provided with an internal thread (32) corresponding to the second thread (22), the bone screw (3) being further provided with an external thread (33).
5. Bone cement pouring device as claimed in claim 4, characterized in that several of said pouring holes (31) are distributed at intervals along the ring.
6. Bone cement pouring device according to claim 1, characterized in that the bone cement rotating rod (12) is connected with a grip (4).
7. The bone cement pouring device as recited in claim 5, further comprising a locking bone plate (5), the locking bone plate (5) being provided with a number of guiding holes (51), a number of the bone screws (3) being connected to bone through the guiding holes (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321304576.8U CN219814285U (en) | 2023-05-26 | 2023-05-26 | Bone cement pouring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321304576.8U CN219814285U (en) | 2023-05-26 | 2023-05-26 | Bone cement pouring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219814285U true CN219814285U (en) | 2023-10-13 |
Family
ID=88249247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321304576.8U Active CN219814285U (en) | 2023-05-26 | 2023-05-26 | Bone cement pouring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219814285U (en) |
-
2023
- 2023-05-26 CN CN202321304576.8U patent/CN219814285U/en active Active
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