CN219126592U - Knee joint cavity puncture fixing device - Google Patents
Knee joint cavity puncture fixing device Download PDFInfo
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- CN219126592U CN219126592U CN202222709754.7U CN202222709754U CN219126592U CN 219126592 U CN219126592 U CN 219126592U CN 202222709754 U CN202222709754 U CN 202222709754U CN 219126592 U CN219126592 U CN 219126592U
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- fixing frame
- knee joint
- puncture needle
- thigh
- shank
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The utility model discloses a knee joint cavity puncture fixing device which comprises a shank fixing frame, a thigh fixing frame, an angle adjusting mechanism and a puncture needle fixing mechanism, wherein the thigh fixing frame is rotationally connected with the shank fixing frame; two ends of the angle adjusting mechanism are respectively connected with the shank fixing frame and the thigh fixing frame; the puncture needle fixing mechanism is arranged on the shank fixing frame or the thigh fixing frame. According to the utility model, the legs of a patient are fixed on the shank fixing frame and the thigh fixing frame, and the angle adjusting mechanism is arranged between the shank fixing frame and the thigh fixing frame, so that the knee joint of the patient is fixed at an angle required by an operation, and the position of the puncture needle relative to the knee joint of the patient is adjusted and fixed through the puncture needle fixing mechanism, so that the displacement of the puncture needle is effectively avoided and prevented, and the operation difficulty of a doctor is reduced.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to a knee joint cavity puncture fixing device.
Background
Knee joint cavity puncture is widely applied in clinic, and a large number of patients seek medical treatment due to joint swelling and joint pain in both rheumatism immunology department and orthopedics department. At the moment, the joint effusion property is clarified through knee joint cavity puncture liquid suction, and a series of treatments such as joint cavity lavage, medicine injection and the like are performed simultaneously, so that the symptoms of a patient are relieved.
The knee joint cavity puncture point is generally selected on the outer side of the knee joint patella, local disinfection is adopted, the knee joint cavity is punctured by using the injector pillow after disinfection, joint liquid is extracted and inspected, and meanwhile, medicine injection treatment is carried out according to the needs of the illness state.
During the puncturing process, the patient can not keep the knee joint at a specific angle due to pain, and the puncturing needle can be shifted due to slight carelessness. And when extracting hydrops, the doctor needs to hold the injector all the time, and the puncture needle can be shifted due to easy movement deformation for a long time.
Disclosure of Invention
The utility model mainly aims to provide a knee joint cavity puncture fixing device which aims to solve the problem that a puncture needle is easy to shift in the puncture process.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the knee joint cavity puncture fixing device comprises a shank fixing frame, a thigh fixing frame, an angle adjusting mechanism and a puncture needle fixing mechanism, wherein the thigh fixing frame is rotationally connected with the shank fixing frame; the two ends of the angle adjusting mechanism are respectively connected with the shank fixing frame and the thigh fixing frame and are used for adjusting the included angle between the shank fixing frame and the thigh fixing frame; the puncture needle fixing mechanism is arranged on the shank fixing frame or the thigh fixing frame and is used for adjusting the position of the puncture needle relative to the knee joint of the patient.
In one possible embodiment, the puncture needle fixing mechanism comprises a rotating bracket assembly and a puncture needle bracket assembly, wherein the rotating bracket assembly is rotatably arranged on one side of the lower leg fixing frame or the thigh fixing frame, and the puncture needle bracket assembly is slidably arranged on the rotating bracket assembly.
In a possible implementation manner, the rotating bracket assembly comprises a stud, a first fastening nut and a rotating plate, wherein the rotating plate is provided with a hinge hole and a sliding groove along the length direction of the hinge hole, and the puncture needle bracket assembly is slidably arranged in the sliding groove; one end of the first stud is fixed on the shank fixing frame or the thigh fixing frame, and the other end of the first stud passes through the hinge hole on the rotating plate and then is connected with the second fastening nut.
In a possible implementation manner, the puncture needle bracket assembly comprises a sliding bolt and a second fastening nut, wherein the threaded end of the sliding bolt penetrates through the sliding groove and then is connected with the second fastening nut, and a through hole for a puncture needle to penetrate through is formed in the sliding bolt.
In a possible implementation manner, the angle adjusting mechanism comprises a sleeve and a telescopic rod, wherein one end of the sleeve is rotationally connected with the shank fixing frame, and one end of the telescopic rod is rotationally connected with the thigh fixing frame; the telescopic rod is sleeved in the sleeve, a plurality of limiting holes are formed in the side wall of the sleeve, and an elastic pressing piece capable of being sprung out of the limiting holes is arranged on the side wall of the telescopic rod.
In a possible implementation manner, a male shaft sleeve is arranged at one end of the shank fixing frame, a female shaft sleeve is arranged at one end of the thigh fixing frame, and the male shaft sleeve is clamped with the female shaft sleeve and hinged through a pin shaft.
In a possible implementation mode, the shank fixing frame and the thigh fixing frame are U-shaped and are respectively provided with a binding belt for binding the legs of the patient.
In one possible embodiment, the strap is a velcro strap.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in: according to the utility model, the legs of a patient are fixed on the shank fixing frame and the thigh fixing frame, and the angle adjusting mechanism is arranged between the shank fixing frame and the thigh fixing frame, so that the knee joint of the patient is fixed at an angle required by an operation, and the position of the puncture needle relative to the knee joint of the patient is adjusted and fixed through the puncture needle fixing mechanism, so that the puncture needle is effectively prevented from shifting, the operation difficulty of a doctor is reduced, an assistant is not required, and a series of processes such as puncture liquid suction, medicine injection and the like can be independently completed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model, illustrate and explain the utility model and are not to be construed as limiting the utility model.
Fig. 1 is a schematic structural view of a knee joint cavity puncture fixing device according to embodiment 1 of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a schematic structural view of a shank holder and a thigh holder in a knee joint cavity puncture fixing device according to embodiment 1 of the present utility model;
fig. 4 is a schematic structural view of a puncture needle fixing mechanism in a knee joint cavity puncture fixing device according to embodiment 1 of the present utility model;
FIG. 5 is a schematic view of a rotating bracket assembly in a knee joint space puncture fixing device according to embodiment 1 of the present utility model;
FIG. 6 is a schematic view of the structure of a puncture needle holder assembly in a knee joint space puncture fixing device according to embodiment 1 of the present utility model;
fig. 7 is a schematic structural view of an angle adjusting mechanism in a knee joint cavity puncture fixing device according to embodiment 1 of the present utility model.
Wherein:
1. a shank holder; 11. a male sleeve; 2. thigh fixing frames; 21. a female sleeve; 3. an angle adjusting mechanism; 31. a sleeve; 311. a limiting hole; 32. a telescopic rod; 33. an elastic pressing member; 4. a puncture needle fixing mechanism; 41. rotating the bracket assembly; 411. a stud; 412. a first fastening nut; 413. a rotating plate; 4131. a hinge hole; 4132. a chute; 42. a needle holder assembly; 421. a sliding bolt; 4211. a through hole; 422. a second fastening nut; 5. a pin shaft; 6. a binding band.
Detailed Description
The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be clearly understood that terms such as "vertical", "horizontal", "longitudinal", "front", "rear", "left", "right", "upper", "lower", "horizontal", and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of describing the present utility model, and do not mean that the apparatus or element referred to must have a specific orientation or position, and thus should not be construed as limiting the present utility model. The "number" is not to be construed as limiting the utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
It is understood that each element of the apparatus or each step of the method may be described by an apparatus term or a method term. Such terms may be substituted as needed so that the underlying broad scope of the utility model authority is clear. As just one example, it is to be understood that all steps of a method may be disclosed as an action, a means for taking the action, or an element that causes the action. Similarly, each element of a device may be disclosed as a physical element or an action facilitated by the physical element. As just one example, the disclosure of "connector" should be understood to cover the disclosure of "connect" action, whether or not explicitly discussed-and conversely, if a "connect" action is disclosed, this disclosure should be understood to cover the disclosure of "connector" and even "means for connecting. These alternative terms for each element or step should be understood to be expressly included in the description.
Example 1
The embodiment 1 of the utility model provides a knee joint cavity puncture fixing device, which is shown in fig. 1 and comprises a shank fixing frame 1, a thigh fixing frame 2, an angle adjusting mechanism 3 and a puncture needle fixing mechanism 4, wherein the thigh fixing frame 2 is rotationally connected with the shank fixing frame 1; the two ends of the angle adjusting mechanism 3 are respectively connected with the shank fixing frame 1 and the thigh fixing frame 2 and are used for adjusting and fixing the included angle between the shank fixing frame 1 and the thigh fixing frame 2; the puncture needle fixing mechanism 4 is arranged on the shank fixing frame 1 or the thigh fixing frame 2 and is used for adjusting and fixing the position of the puncture needle relative to the knee joint of the patient.
After the technical scheme is adopted, the legs of a patient are fixed on the shank fixing frame 1 and the thigh fixing frame 2, and the angle adjusting mechanism 3 is arranged between the shank fixing frame 1 and the thigh fixing frame 2, so that the knee joint of the patient is fixed at an angle required by an operation, and the position of the puncture needle relative to the knee joint of the patient is adjusted and fixed through the puncture needle fixing mechanism 4, so that the displacement of the puncture needle is effectively prevented, and the operation difficulty of a doctor is reduced.
Specifically, as shown in fig. 2, one end of the shank fixing frame 1 is provided with a male shaft sleeve 11, one end of the thigh fixing frame 2 is provided with a female shaft sleeve 21, and the male shaft sleeve 11 is engaged with the female shaft sleeve 21 and hinged through a pin shaft 5.
In one embodiment, to improve comfort of use, the calf holder 1 and thigh holder 2 are each U-shaped and are each provided with a strap 6 for binding the leg of the patient.
The strap 6 is preferably a velcro strap 6 for ease of re-tying.
Further, as shown in fig. 1 and 7, the angle adjusting mechanism 3 includes a sleeve 31 and a telescopic rod 32, one end of the sleeve 31 is rotatably connected with the shank fixation frame 1, and one end of the telescopic rod 32 is rotatably connected with the thigh fixation frame 2; the telescopic rod 32 is sleeved in the sleeve 31, a plurality of limiting holes 311 are formed in the side wall of the sleeve 31, and an elastic pressing piece 33 capable of being ejected out of the limiting holes 311 is arranged on the side wall of the telescopic rod 32.
The sleeve 31 is a hollow rod with one end open and the other end closed, the limiting holes 311 penetrate through the side wall of the sleeve 31, and a plurality of limiting holes 311 are uniformly arranged on the side wall of each sleeve 31 at intervals, so that the length of the angle adjusting assembly can be adjusted, and the angle adjusting assembly is equivalent to adjusting the included angle between the shank fixing frame 1 and the thigh fixing frame 2. The telescopic rod 32 is also a hollow rod with one end open and the other end closed, so as to reduce the weight. Each telescopic rod 32 is provided with a resilient pressing piece 33 on a side wall near an open end thereof, and the resilient pressing piece 33 protrudes from the side wall of the telescopic rod 32. The hollow section of the sleeve 31 has a size slightly larger than the outer section of the telescopic rod 32, the telescopic rod 32 is inserted from the open end of the sleeve 31, and the closed end thereof extends out of the open end of the sleeve 31, so that the telescopic rod 32 can move along the axial direction of the sleeve 31.
Meanwhile, the size of the limiting hole 311 is slightly larger than that of the elastic pressing piece 33, so that the elastic pressing piece 33 is ejected out of the limiting hole 311, the telescopic rod 32 is fixed at a required position, and the included angle between the shank fixing frame 1 and the thigh fixing frame 2 can be fixed, so that the angle of the knee joint of the patient is fixed.
Specifically, as shown in fig. 1 and 4, the puncture needle fixing mechanism 4 includes a rotating bracket assembly 41 and a puncture needle bracket assembly 42, the rotating bracket assembly 41 is rotatably disposed on one side of the lower leg fixing frame 1 or the thigh fixing frame 2, and the puncture needle bracket assembly 42 is slidably disposed on the rotating bracket assembly 41.
In one embodiment, as shown in fig. 5, the rotating bracket assembly 41 includes a stud 411, a first fastening nut 412, and a rotating plate 413;
the rotating plate 413 is provided with a hinge hole 4131 and a sliding groove 4132, the sliding groove 4132 is arranged along the length direction of the rotating plate 413, and the puncture needle bracket assembly 42 is slidably arranged in the sliding groove 4132; one end of the stud 411 is fixed on the outer side of the thigh fixing frame 2 (or on the outer side of the shank fixing frame 1), and the other end passes through the hinge hole 4131 on the rotating plate 413 and then is connected with the first fastening nut 412, and after the first fastening nut 412 is screwed, the rotating plate 413 can be clamped between the first fastening nut 412 and the thigh fixing frame 2.
Further, as shown in fig. 6, the puncture needle holder assembly 42 includes a sliding bolt 421 and a second fastening nut 422, wherein a threaded end of the sliding bolt 421 passes through the sliding groove 4132 and is connected with the second fastening nut 422, and the sliding bolt 421 can be fixed in position in the sliding groove 4132 after the second fastening nut 422 is screwed.
The sliding bolt 421 is provided with a through hole 4211, and a puncture needle (or a needle head of a syringe) can pass through the through hole 4211, and an included angle between the axis of the through hole 4211 and a tibial plateau of a patient is 45 degrees.
In order to prevent the puncture needle from rocking left and right, the diameter of the through hole 4211 is required to be slightly larger than the diameter of the puncture needle (corresponding to a part of the puncture needle being caught in the through hole 4211). The fixing of the position of the puncture needle can be realized by fixing the rotating bracket component 41 and the puncture needle bracket component 42.
The joint cavity puncture fixing device provided by the utility model has the following use process:
(1) the patient sits on the chair, put thigh and shank into thigh mount 2 and shank mount 1 separately, and bind up with the bandage 6;
(2) the length of the telescopic rod 32 is adjusted by the cooperation of the elastic pressing piece 33 and the limiting hole 311, so that the knee joint of the patient is adjusted to an angle required by the operation;
(3) loosening the first fastening nut 412 and the second fastening nut 422;
(4) the tip of a puncture needle (the needle of the injector) passes through a through hole 4211 on a sliding bolt 421, the position of the puncture needle is adjusted, and meanwhile, a rotating plate 413 is driven to rotate, the sliding bolt 421 slides in a sliding groove 4132 until the puncture needle aims at a puncture designated position, and the puncture needle pierces a knee joint cavity;
(5) tightening the first and second fastening nuts 412, 422 to fix the position of the needle relative to the patient's knee;
(6) the effusion is pumped, the syringe is only required to be pulled out for replacement after the injector is full, and the needle head is always used;
(7) after the liquid extraction is finished, if the medicine treatment is needed to be injected again, the medicine syringe containing sodium hyaluronate or hormone and the like is directly replaced, the needle head can be used all the time, the operation is independently finished, and auxiliary assistance of an assistant is not needed.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (8)
1. The knee joint cavity puncture fixing device is characterized by comprising a shank fixing frame, a thigh fixing frame, an angle adjusting mechanism and a puncture needle fixing mechanism, wherein the thigh fixing frame is rotationally connected with the shank fixing frame; the two ends of the angle adjusting mechanism are respectively connected with the shank fixing frame and the thigh fixing frame and are used for adjusting and fixing the included angle between the shank fixing frame and the thigh fixing frame; the puncture needle fixing mechanism is arranged on the shank fixing frame or the thigh fixing frame and is used for adjusting and fixing the position of the puncture needle relative to the knee joint of the patient.
2. The knee joint space puncture fixing device according to claim 1, wherein the puncture needle fixing mechanism comprises a rotary bracket assembly and a puncture needle bracket assembly, the rotary bracket assembly is rotatably arranged on one side of the shank fixing frame or the thigh fixing frame, and the puncture needle bracket assembly is slidably arranged on the rotary bracket assembly.
3. The knee joint cavity puncture fixing device according to claim 2, wherein the rotating bracket assembly comprises a stud, a first fastening nut and a rotating plate, the rotating plate is provided with a hinge hole and a sliding groove along the length direction, and the puncture needle bracket assembly is slidably arranged in the sliding groove; one end of the stud is fixed on the shank fixing frame or the thigh fixing frame, and the other end of the stud passes through the hinge hole on the rotating plate and then is connected with the first fastening nut.
4. The knee joint cavity puncture fixing device according to claim 3, wherein the puncture needle support assembly comprises a sliding bolt and a second fastening nut, the threaded end of the sliding bolt penetrates through the sliding groove and then is connected with the second fastening nut, and a through hole for a puncture needle to penetrate through is formed in the sliding bolt.
5. The knee joint cavity puncture fixing device according to claim 1, wherein the angle adjusting mechanism comprises a sleeve and a telescopic rod, one end of the sleeve is rotatably connected with the shank fixing frame, and one end of the telescopic rod is rotatably connected with the thigh fixing frame; the telescopic rod is sleeved in the sleeve, a plurality of limiting holes are formed in the side wall of the sleeve, and an elastic pressing piece capable of being sprung out of the limiting holes is arranged on the side wall of the telescopic rod.
6. The knee joint cavity puncture fixing device according to claim 1, wherein a male shaft sleeve is arranged at one end of the shank fixing frame, a female shaft sleeve is arranged at one end of the thigh fixing frame, and the male shaft sleeve is clamped with the female shaft sleeve and hinged through a pin shaft.
7. The knee joint space puncture fixing device according to claim 1, wherein the shank fixing frame and the thigh fixing frame are each U-shaped and are respectively provided with a strap for binding the leg of the patient.
8. The knee joint space puncture fixing device of claim 7, wherein said strap is a velcro strap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222709754.7U CN219126592U (en) | 2022-10-14 | 2022-10-14 | Knee joint cavity puncture fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222709754.7U CN219126592U (en) | 2022-10-14 | 2022-10-14 | Knee joint cavity puncture fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219126592U true CN219126592U (en) | 2023-06-06 |
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ID=86597677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222709754.7U Active CN219126592U (en) | 2022-10-14 | 2022-10-14 | Knee joint cavity puncture fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219126592U (en) |
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2022
- 2022-10-14 CN CN202222709754.7U patent/CN219126592U/en active Active
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