CN214857265U - Thoracic cavity puncture needle positioning device - Google Patents
Thoracic cavity puncture needle positioning device Download PDFInfo
- Publication number
- CN214857265U CN214857265U CN202120504818.2U CN202120504818U CN214857265U CN 214857265 U CN214857265 U CN 214857265U CN 202120504818 U CN202120504818 U CN 202120504818U CN 214857265 U CN214857265 U CN 214857265U
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- Prior art keywords
- positioning
- bottom plate
- puncture needle
- ring
- needle
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- 210000000115 thoracic cavity Anatomy 0.000 title claims abstract description 28
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- 210000000038 chest Anatomy 0.000 claims description 12
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 230000003601 intercostal effect Effects 0.000 description 1
- 238000002690 local anesthesia Methods 0.000 description 1
- 210000004224 pleura Anatomy 0.000 description 1
- 210000003281 pleural cavity Anatomy 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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Abstract
The utility model discloses a positioning device of a thoracocentesis needle, belonging to the technical field of thoracocentesis, comprising a bottom plate, a fixing unit for limiting the horizontal displacement of the thoracocentesis needle and a positioning unit for controlling the needle inserting depth of the thoracocentesis needle; the positioning unit comprises a positioning groove and a positioning block which is arranged in the positioning groove and can slide relative to the positioning groove, the orientation of the positioning groove is arc-shaped, and the positioning groove is positioned in a plane vertical to the bottom plate; the positioning unit also comprises a positioning ring for installing the thoracic cavity puncture needle, the positioning ring is connected with the positioning block through a connecting rod, and two ends of the connecting rod are respectively hinged with the positioning ring and the positioning block; the fixing unit comprises a fixing rod, the bottom of the fixing rod is fixedly connected with the bottom plate, and the fixing rod extends upwards perpendicular to the bottom plate; and a positioning connecting ring is arranged on the outer side of the positioning ring and is sleeved with the fixing rod.
Description
Technical Field
The utility model belongs to the technical field of thoracocentesis, and further relates to a thoracocentesis needle positioning device.
Background
Thoracentesis refers to the operation of puncturing the skin, intercostal tissues, parietal pleura and entering the pleural cavity with a sterilized needle. In the clinical work of cardiovascular and cerebrovascular treatment, thoracentesis is a common and convenient and simple diagnosis and treatment method.
In the thoracic cavity puncture operation, the needle body of the commonly used thoracic cavity puncture needle is a longer and thicker stainless steel hollow needle body. One end of the needle is provided with a needle point, and the other end is connected with a syringe or a negative pressure device. When the puncture needle is used, a puncture point is selected and local anesthesia is performed, then the needle point of the needle body is vertically punctured into the thoracic cavity of a patient, then the needle body is tried to be withdrawn, if no gas or liquid is withdrawn, the needle is continuously inserted properly until the gas or liquid overflows, then the needle body is connected with an injector or a negative pressure device through an interface, and the gas or liquid in the thoracic cavity is sucked, so that puncture is completed.
However, the existing thoracocentesis is usually operated by holding a puncture needle by a medical worker, and in the process of puncture operation, the puncture needle needs to be held by the hand of the worker all the time, so that the fixation is not good, and the depth of the puncture needle is not easy to control and is inconvenient to hold.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a thoracic cavity puncture needle positioning device which can control and position the needle inserting depth of the puncture needle.
The utility model provides a pair of thoracic cavity puncture needle positioner for the following technical essential solves the problem:
a thoracic cavity puncture needle positioning device comprises a bottom plate, a fixing unit for limiting the horizontal displacement of a thoracic cavity puncture needle and a positioning unit for controlling the needle inserting depth of the thoracic cavity puncture needle; the positioning unit comprises a positioning groove and a positioning block which is arranged in the positioning groove and can slide relative to the positioning groove, the orientation of the positioning groove is arc-shaped, and the positioning groove is positioned in a plane vertical to the bottom plate; the positioning unit also comprises a positioning ring for installing the thoracic cavity puncture needle, the positioning ring is connected with the positioning block through a connecting rod, two ends of the connecting rod are respectively hinged with the positioning ring and the positioning block, and the positioning ring can be driven by the positioning block to move; the fixing unit comprises a fixing rod, the bottom of the fixing rod is fixedly connected with the bottom plate, and the fixing rod extends upwards perpendicular to the bottom plate; the positioning connection ring is sleeved with the fixed rod, and the positioning connection ring and the fixed rod limit the movement track of the positioning ring to be parallel to the extending direction of the fixed rod.
As mentioned above, the utility model provides a thorax puncture needle positioning device. The device comprises a fixing unit and a positioning unit. The positioning unit comprises a positioning groove in the arc-shaped trend and a positioning block which is arranged in the positioning groove and can slide, the positioning groove and the positioning block can be equivalent to use the circle center of an arc as a rotating shaft, and a connecting line from the positioning block to the circle center is a crank. The fixed rod contained in the fixed unit and the positioning connecting ring sleeved on the fixed rod can be equivalent to a sliding block mechanism with the fixed rod as a track. The above devices form a crank-slider mechanism by matching with the connecting rod in hinged connection. The positioning block in the sliding positioning groove can drive the positioning ring connected to the positioning connecting ring to move linearly by taking the fixed rod as a track. And because the fixed rod is arranged perpendicular to the bottom plate, the positioning ring for mounting the thoracic cavity puncture needle can control the displacement of the positioning ring in the direction perpendicular to the bottom plate by the positioning block, and the technical effect of controlling and positioning the needle inserting depth of the puncture needle can be realized.
The further technical scheme is as follows:
the bottom plate is provided with a bottom plate hole which is a through hole, and the bottom plate hole and the positioning ring are coaxially arranged. The thoracic cavity puncture needle arranged on the hole of the bottom plate can penetrate through the bottom plate to reach the skin of a patient below the bottom plate for puncture operation
In order to fix the whole device on a patient, a plurality of suckers are arranged at the bottom of the bottom plate.
The bottom plate is provided with a vertical positioning plate extending upwards, and the positioning groove is located in the positioning plate. This feature defines the way in which the positioning slot is arranged in the device.
For controlling the needle inserting depth of the thoracic cavity puncture needle more accurately and mastering the position change of the puncture needle more intuitively, the position control device is characterized in that the positioning plate is provided with a graduated scale which is arranged on one side of the positioning groove. The positioning block is provided with a positioning pointer, the positioning pointer is positioned above the top of the positioning groove, and the direction of the positioning pointer is always perpendicular to the direction of the positioning groove.
The left and right boundaries of the positioning plate are positioned on the same side of the bottom plate hole. The whole locating plate all is in the homonymy in bottom plate hole, has avoided the locating plate to shelter from the pjncture needle coaxial with the bottom plate hole, makes medical personnel can more clearly observe the operating condition who installs the pjncture needle in the locating ring directly perceivedly.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has reasonable structure and safe and convenient use. The utility model provides a thorax puncture needle positioning device, which comprises a fixing unit for limiting the horizontal displacement of the thorax puncture needle and a positioning unit for controlling the needle inserting depth of the thorax puncture needle. The moving distance of the thoracic cavity puncture needle can be controlled by moving the positioning block contained in the positioning unit. The graduated scale of setting aside the constant head tank installs the location pointer on the locating piece, can promote the precision of control thorax pjncture needle location. The dead lever contained in the fixed unit can limit the degree of freedom of the thoracic cavity puncture needle, and the effect of fixing the puncture needle is achieved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic view of the whole structure of the present invention;
in the figure: 1. a base plate; 2. positioning a groove; 3. positioning blocks; 4. a positioning ring; 5. a connecting rod; 6. fixing the rod; 7. positioning the connecting ring; 8. a bottom plate hole; 9. positioning a plate; 10. a graduated scale; 11. a pointer is located.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Example 1:
as shown in fig. 1, a positioning device for a thoracic cavity puncture needle comprises a bottom plate 1, a fixing unit for limiting the horizontal displacement of the thoracic cavity puncture needle and a positioning unit for controlling the depth of the thoracic cavity puncture needle; the positioning unit comprises a positioning groove 2 and a positioning block 3 which is arranged in the positioning groove 2 and can slide relative to the positioning groove 2, the orientation of the positioning groove 2 is arc-shaped, and the positioning groove 2 is positioned in a plane vertical to the bottom plate 1; the positioning unit further comprises a positioning ring 4 for installing the thoracic cavity puncture needle, the positioning ring 4 is connected with the positioning block 3 through a connecting rod 5, two ends of the connecting rod 5 are respectively hinged with the positioning ring 4 and the positioning block 3, and the positioning ring 4 can be driven by the positioning block 3 to move; the fixing unit comprises a fixing rod 6, the bottom of the fixing rod 6 is fixedly connected with the bottom plate 1, and the fixing rod 6 extends upwards perpendicular to the bottom plate 1; the outer side of the positioning ring 4 is provided with a positioning connecting ring 7, the positioning connecting ring 7 is sleeved with the fixing rod 6, and the positioning connecting ring 7 and the fixing rod 6 limit the motion track of the positioning ring 4 to be parallel to the extending direction of the fixing rod 6.
As mentioned above, the utility model provides a thorax puncture needle positioning device. The device comprises a fixing unit and a positioning unit. The positioning unit comprises a positioning groove 2 in the arc-shaped direction and a positioning block 3 which is arranged in the positioning groove 2 and can slide, the positioning groove 2 and the positioning block can be equivalent to use the circle center of an arc as a rotating shaft, and a connecting line from the positioning block 3 to the circle center is a crank. The fixing unit comprises a fixing rod 6 and a positioning connecting ring 7 which is sleeved on the fixing rod 6, and the fixing rod 6 and the positioning connecting ring can be equivalent to a sliding block mechanism with a track. The above devices form a crank-slider mechanism in cooperation with the connecting rod 5 which is hinged. The positioning block 3 in the sliding positioning groove 2 can drive the positioning ring 4 connected to the positioning connecting ring 7 to move linearly by taking the fixed rod 6 as a track. And because the fixed rod 6 is arranged perpendicular to the bottom plate 1, the positioning ring 4 for mounting the thoracic cavity puncture needle can be controlled by the positioning block 3 to move in the direction perpendicular to the bottom plate 1, and the technical effect of controlling and positioning the puncture needle inserting depth can be realized.
Example 2:
this example is further defined on the basis of example 1:
the bottom plate 1 is provided with a bottom plate hole 8, the bottom plate hole 8 is a through hole, and the bottom plate hole 8 and the positioning ring 4 are coaxially arranged. The thorax pjncture needle that sets up of bottom plate hole 8 can pass bottom plate 1 to reach 1 below of bottom plate patient's skin and carry out the puncture operation and fix whole device on one's body patient for the realization, set up to, 1 bottom of bottom plate is provided with a plurality of sucking discs.
The bottom plate 1 is provided with a positioning plate 9 which vertically extends upwards, and the positioning groove 2 is positioned on the positioning plate 9. This feature defines the way in which the positioning slot 2 is arranged in the device.
In order to control the needle inserting depth of the thoracic cavity puncture needle more accurately and grasp the position change of the puncture needle more intuitively, a graduated scale 10 is arranged on the positioning plate 9, and the graduated scale 10 is arranged on one side of the positioning groove 2. The positioning block 3 is provided with a positioning pointer 11, the positioning pointer 11 is located above the top of the positioning groove 2, and the direction of the positioning pointer 11 is always perpendicular to the direction of the positioning groove 2.
The left and right boundaries of the positioning plate 9 are located on the same side of the bottom plate hole 8. The whole locating plate 9 is all at the homonymy of bottom plate hole 8, has avoided locating plate 9 to shelter from the pjncture needle coaxial with bottom plate hole 8, makes medical personnel can more clearly observe the operating condition who installs the pjncture needle in holding ring 4 directly perceivedly.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or deformation made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (7)
1. A thorax puncture needle positioning device is characterized by comprising a bottom plate (1), a fixing unit for limiting the horizontal displacement of the thorax puncture needle and a positioning unit for controlling the needle inserting depth of the thorax puncture needle;
the positioning unit comprises a positioning groove (2) and a positioning block (3) which is arranged in the positioning groove (2) and can slide relative to the positioning groove (2), the direction of the positioning groove (2) is arc-shaped, and the positioning groove (2) is positioned in a plane vertical to the bottom plate (1);
the positioning unit further comprises a positioning ring (4) used for installing a thoracic cavity puncture needle, the positioning ring (4) is connected with the positioning block (3) through a connecting rod (5), two ends of the connecting rod (5) are respectively hinged with the positioning ring (4) and the positioning block (3), and the positioning ring (4) can be driven by the positioning block (3) to move;
the fixing unit comprises a fixing rod (6), the bottom of the fixing rod (6) is fixedly connected with the bottom plate (1), and the fixing rod (6) extends upwards perpendicular to the bottom plate (1); the positioning device is characterized in that a positioning connecting ring (7) is arranged on the outer side of the positioning ring (4), the positioning connecting ring (7) is sleeved with the fixing rod (6), and the movement track of the positioning ring (4) limited by the positioning connecting ring (7) and the fixing rod (6) is parallel to the extending direction of the fixing rod (6).
2. A thoracic puncture needle positioning device according to claim 1, wherein the bottom plate (1) is provided with a bottom plate hole (8), the bottom plate hole (8) is a through hole, and the bottom plate hole (8) is coaxial with the positioning ring (4).
3. A thoracic puncture needle positioning device according to claim 2, characterized in that the bottom of the base plate (1) is provided with a plurality of suction cups.
4. A thoracic puncture needle positioning device according to claim 2, wherein the bottom plate (1) is provided with a positioning plate (9) extending vertically upward, and the positioning groove (2) is located on the positioning plate (9).
5. A positioning device for a thoracentesis needle according to claim 4, characterized in that a graduated scale (10) is arranged on the positioning plate (9), and the graduated scale (10) is arranged at one side of the positioning groove (2).
6. A thorax puncture needle positioning device according to claim 4, characterized in that the positioning block (3) is provided with a positioning pointer (11), the positioning pointer (11) is positioned above the top of the positioning groove (2), and the positioning pointer (11) points to be always perpendicular to the positioning groove (2).
7. A thorax puncture needle positioning device according to claim 4, characterized in that the left and right boundaries of the positioning plate (9) are located on the same side of the bottom plate hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120504818.2U CN214857265U (en) | 2021-03-09 | 2021-03-09 | Thoracic cavity puncture needle positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120504818.2U CN214857265U (en) | 2021-03-09 | 2021-03-09 | Thoracic cavity puncture needle positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214857265U true CN214857265U (en) | 2021-11-26 |
Family
ID=78857226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120504818.2U Expired - Fee Related CN214857265U (en) | 2021-03-09 | 2021-03-09 | Thoracic cavity puncture needle positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214857265U (en) |
-
2021
- 2021-03-09 CN CN202120504818.2U patent/CN214857265U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |