CN219646157U - Wrist fixing device - Google Patents
Wrist fixing device Download PDFInfo
- Publication number
- CN219646157U CN219646157U CN202223394505.XU CN202223394505U CN219646157U CN 219646157 U CN219646157 U CN 219646157U CN 202223394505 U CN202223394505 U CN 202223394505U CN 219646157 U CN219646157 U CN 219646157U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- arm
- wrist
- support base
- arm support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 210000000707 wrist Anatomy 0.000 title claims abstract description 26
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 17
- 210000000245 forearm Anatomy 0.000 claims description 8
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 210000004204 blood vessel Anatomy 0.000 description 4
- 210000002321 radial artery Anatomy 0.000 description 3
- 230000004872 arterial blood pressure Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 210000002302 brachial artery Anatomy 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035487 diastolic blood pressure Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035488 systolic blood pressure Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 210000002559 ulnar artery Anatomy 0.000 description 1
Landscapes
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The utility model discloses a wrist fixing device, which comprises an arm supporting base, a wrist fixing component connected with the arm supporting base and an arm fixing component arranged on the wrist fixing component; the top surface of the arm support base is provided with a bracket; the arm fixing assembly comprises a bidirectional screw rod which is arranged in the arm supporting base in a penetrating way, screw rod sleeves which are sleeved on two sides of the bidirectional screw rod, and clamping plates which are fixed with the tops of the screw rod sleeves, wherein the clamping plates can move in opposite directions through rotating the bidirectional screw rod so as to fix the arm; the wrist fixing assembly comprises a bottom plate connected with the arm supporting base, a rotary drum arranged on the bottom plate, a rotary shaft installed in the rotary drum in a rotary mode, an elastic sleeve arranged at the top of the rotary shaft, a circular ring arranged on the outer edge of the top of the rotary drum, a plurality of jacks uniformly arranged on the circular ring, a lug arranged at the bottom of the rotary shaft, screws matched with the jacks and arranged in the lug, and a rotating angle of a palm and a locking rotating angle inserted into the jacks through the screws are adjusted through the rotary shaft.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a wrist fixing device.
Background
The principle of the invasive blood pressure monitoring technology is that a catheter is placed in a blood vessel of a measured part through puncture, the outer end of the catheter is directly connected with a pressure sensor, and because the fluid has a pressure transmission function, the pressure in the blood vessel is transmitted to an external pressure sensor through the liquid in the catheter, so that a dynamic waveform of real-time pressure change in the blood vessel can be obtained, and the systolic pressure, the diastolic pressure and the average arterial pressure of the blood vessel of the measured part can be obtained through a specific calculation method. One of the final branches of the brachial artery of the radial artery is slightly smaller than the ulnar artery, the position between the lower end of the radius and the flexor tendon of the wrist at the radial side is shallow, and the two branches are relatively fixed, so that the two branches are ideal positions for pulse taking and puncture, and the radial artery is usually punctured in clinic at present, and the puncture and the tube placement are easy.
However, since the radial artery is at the wrist of the person, the patient's hand is in a relaxed state during the operation, requiring the medical staff to hold the wrist up, increasing the workload of the medical staff and being unable to fix the position for a long time. There is therefore a need for a device for securing the wrist that addresses this problem.
Disclosure of Invention
In order to achieve the above object, the present utility model provides a wrist fixing device, which adopts the following technical scheme:
a wrist immobilization device, comprising:
an arm supporting base seat,
the wrist fixing assembly is connected with the arm supporting base;
and the arm fixing assembly is arranged on the arm supporting base.
Further, the arm support base is a hollow box body, the upper surface of the box body is provided with a bracket at least for placing the forearms of patients, and two sides of the bracket are symmetrically provided with strip-shaped openings.
Further, the arm fixing assembly includes:
the bidirectional screw rod transversely penetrates through the arm support base, and one end of the bidirectional screw rod extends to the outer side of the arm support base;
the screw rod sleeves are sleeved at the left end and the right end of the bidirectional screw rod, and the top of the screw rod sleeves penetrates through the strip-shaped opening;
and the clamping plate is arranged at the top of the screw rod sleeve.
Further, a protective pad is arranged on one side surface of the splint facing the arm of the patient.
Further, the wrist securing assembly includes:
the bottom plate is fixedly connected with the bottom of the arm support base;
a drum disposed on the base plate;
a rotating shaft rotatably installed in the drum;
and the fixing wrist strap is arranged at the top of the rotating shaft.
Further, the periphery at the top of the rotary drum is provided with a circular ring, and a plurality of jacks are uniformly arranged on the circular ring.
Further, the bottom of the rotating shaft is provided with a bump, the center of the bump is provided with a threaded hole, and a screw matched with the jack is arranged in the threaded hole.
Further, the material of the protection pad is medical latex.
Compared with the prior art, the utility model has the beneficial effects that:
firstly, the arm fixing component is used for fixing the forearm of a patient, the two-way screw rod, the screw rod sleeve and the clamping plates are combined, the clamping plates can be adjusted to move in opposite directions by rotating the two-way screw rod, so that the two clamping plates clamp the forearm of the patient, and the arm fixing component is used for fixing the forearm of the patient;
secondly, the wrist fixing assembly is arranged, the hand of a patient is placed into the elastic sleeve to be fixed, the rotating shaft can be rotated to rotate the elastic sleeve to a proper angle, and then the screw is inserted into the corresponding jack to lock the rotating shaft to a fixed angle, so that the doctor can perform subsequent treatment and operation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a side view of the present utility model;
FIG. 3 is a cross-sectional view of an arm securing assembly of the present utility model;
FIG. 4 is a schematic view showing a detachable structure of a wrist fixing assembly according to the present utility model;
wherein: 1-arm supporting base, 2-bottom plate, 11-bracket, 12-bar mouth, 13-splint, 131-protection pad, 14-lead screw cover, 15-two-way lead screw, 21-rotary drum, 22-rotary shaft, 23-elastic cover, 24-circular ring, 25-jack, 26-bump, 27-screw.
Detailed Description
In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution of the present utility model is further described below with reference to the accompanying drawings and examples.
A wrist immobilization device according to fig. 1-4, comprising:
the arm supports the base 1,
the wrist fixing assembly is connected with the arm supporting base 1;
an arm fixing assembly installed on the arm support base 1.
Referring to fig. 1 and 3, the arm support base 1 is a hollow box, a bracket 11 for at least placing the forearm of a patient is provided on the upper surface of the box, and strip-shaped openings 12 are symmetrically provided on both sides of the bracket 11.
Further, the arm fixing assembly includes:
the bidirectional screw rod 15 transversely penetrates through the arm support base 1, one end of the bidirectional screw rod is rotatably installed in a bearing seat on the inner wall of the arm support base 1, the other end of the bidirectional screw rod extends to the outer side of the arm support base 1, and a rotating handle is further arranged at one end extending to the outer side;
the screw rod sleeves 14 are sleeved at the left end and the right end of the bidirectional screw rod 15, the tops of the screw rod sleeves penetrate through the strip-shaped opening 12, the screw rod sleeves 14 at the two sides are respectively matched with the positive thread and the negative thread on the bidirectional screw rod 15, and when the bidirectional screw rod 15 is rotated, the movement directions of the screw rod sleeves 14 at the two sides on the bidirectional screw rod 15 are opposite, so that the screw rod sleeves 14 can be mutually close to or mutually far away from each other in the strip-shaped opening 12;
the clamping plate 13 is arranged at the top of the screw rod sleeve 14 and is connected with one side of the screw rod sleeve 14 in a shape like a Chinese character 'ji'; the screw rod sleeve 14 can drive the clamping plates 13 to be close to or far away from each other when being close to or far away from each other to clamp or loosen the arms of a patient, and the two-way screw rod 15 extends to one end outside the arm support base 1 to be provided with a locking nut, and the two-way screw rod 15 can be locked by tightening the locking nut to fix the positions of the clamping plates.
In order to improve the comfort of the patient, a protecting pad 131 is arranged on one side of the splint 13 facing the arm of the patient, and the protecting pad 131 is made of medical latex.
As can be seen in connection with fig. 2 and 4, the wrist-securing assembly comprises:
the bottom plate 2 is fixedly connected with the bottom of the arm support base 1;
a drum 21 provided on the base plate 2;
a rotating shaft 22 rotatably installed in the drum 21;
the elastic sleeve 23 is fixedly arranged at the top of the rotating shaft 22 and is fastened by the conventional Chinese character 'ri' -shaped fastening mode.
Further, a circular ring 24 is integrally provided at the outer edge of the top of the drum 21, and a plurality of insertion holes 25 are uniformly provided on the circular ring 24.
Further, a protruding block 26 is provided at one side of the bottom of the rotating shaft 22, a threaded hole is provided at the center of the protruding block 26, a screw 27 is disposed in the threaded hole, the screw 27 can be screwed in or out of the threaded hole, the size of the screw 27 is matched with that of the inserting hole 25, and the rotating angle of the rotating shaft 22 can be locked by inserting the screw 27 into the corresponding inserting hole 25.
The using process comprises the following steps: when the utility model is used, firstly, after puncture is completed, the forearms of a patient are placed in the bracket 11, and the hands of the patient are placed in the elastic sleeve 23 for fixation; secondly, the bidirectional screw rod 15 is screwed according to the requirement, and the screw rod sleeve 14 is driven to move in opposite directions until the clamping plate 13 clamps the front arm placed in the bracket 11; again, the spindle 22 is rotated as required to rotate in the drum 21 to the proper position, at which time the screw 27 is rotated to insert it downwardly into the corresponding socket 25 to complete wrist angle adjustment, ready for subsequent continuous manometry; finally, after use, the screw 27 is rotated in the opposite direction to disengage from the socket 25, rotated back to its original position, and the patient's hand is removed from the elastic sleeve 23, and the lock nut is unscrewed while the bi-directional screw 15 is rotated in the opposite direction to allow the splint 13 to no longer grip the patient's forearm.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. A wrist immobilization device, comprising:
an arm support base (1),
the wrist fixing assembly is connected with the arm supporting base (1);
an arm fixing component arranged on the arm supporting base (1);
the arm support base (1) is a hollow box body, the upper surface of the box body is provided with a bracket (11) for at least placing the forearms of patients, and two sides of the bracket (11) are symmetrically provided with strip-shaped openings (12);
the arm fixing assembly includes:
the bidirectional screw rod (15) transversely penetrates through the arm support base (1), and one end of the bidirectional screw rod extends to the outer side of the arm support base (1);
screw rod sleeves (14) which are sleeved at the left end and the right end of the bidirectional screw rod (15) and the top of which passes through the strip-shaped opening (12);
a clamping plate (13) arranged at the top of the screw rod sleeve (14);
the wrist securing assembly includes:
the bottom plate (2) is fixedly connected with the bottom of the arm support base (1);
a drum (21) provided on the base plate (2);
a rotating shaft (22) rotatably installed in the drum (21);
and the elastic sleeve (23) is arranged at the top of the rotating shaft (22).
2. A wrist-immobilization device according to claim 1, characterized in that the splint (13) is provided with a protective pad (131) on the side facing the arm of the patient.
3. A wrist fixing device according to claim 1, characterized in that the top periphery of the drum (21) is provided with a ring (24), and the ring (24) is uniformly provided with a plurality of insertion holes (25).
4. A wrist securing device according to claim 3, wherein: the bottom of the rotating shaft (22) is provided with a lug (26), a threaded hole is formed in the center of the lug (26), and a screw (27) matched with the jack (25) is arranged in the threaded hole.
5. A wrist-immobilization device as defined in claim 2, wherein: the material of the protection pad (131) is medical latex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223394505.XU CN219646157U (en) | 2022-12-19 | 2022-12-19 | Wrist fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223394505.XU CN219646157U (en) | 2022-12-19 | 2022-12-19 | Wrist fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219646157U true CN219646157U (en) | 2023-09-08 |
Family
ID=87879448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223394505.XU Active CN219646157U (en) | 2022-12-19 | 2022-12-19 | Wrist fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219646157U (en) |
-
2022
- 2022-12-19 CN CN202223394505.XU patent/CN219646157U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |