CN215349228U - Blood flow training device for blocking pedicle blood vessels - Google Patents
Blood flow training device for blocking pedicle blood vessels Download PDFInfo
- Publication number
- CN215349228U CN215349228U CN202120700401.3U CN202120700401U CN215349228U CN 215349228 U CN215349228 U CN 215349228U CN 202120700401 U CN202120700401 U CN 202120700401U CN 215349228 U CN215349228 U CN 215349228U
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- China
- Prior art keywords
- hollow sleeve
- sliding rod
- compression spring
- pedicle
- clamping grooves
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- Expired - Fee Related
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- 230000017531 blood circulation Effects 0.000 title claims abstract description 27
- 230000000903 blocking effect Effects 0.000 title claims abstract description 26
- 210000004204 blood vessel Anatomy 0.000 title abstract description 20
- 238000007906 compression Methods 0.000 claims abstract description 49
- 230000006835 compression Effects 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000036770 blood supply Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002439 hemostatic effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 206010033675 panniculitis Diseases 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 210000004003 subcutaneous fat Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model belongs to the technical field of medical instruments, and particularly relates to a pedicure blocking blood vessel blood flow training device which can solve the problems that an existing pedicure blocking device is not easy to operate, wastes time and labor, is not easy to control blocking effect, and is low in safety and poor in comfort level. The method comprises the following steps: the sliding rod is sleeved in the hollow sleeve; the hollow sleeve is provided with two U-shaped first clamping grooves distributed along the length direction of the hollow sleeve, and each first clamping groove is vertical to the length direction of the hollow sleeve; the sliding rod is provided with two second clamping grooves distributed along the length direction of the sliding rod, the two second clamping grooves correspond to the two first clamping grooves one to one, a boss is arranged at the center of the left end of the sliding rod, a compression spring is sleeved on the boss, and a compression spring stopper is arranged at the left end of the hollow sleeve; two free ends of the tourniquet can be respectively embedded in the two second clamping grooves. The utility model is used for manufacturing the training device for blocking the blood flow of the pedicle blood vessel.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a training device for blocking blood flow of a pedicle blood vessel.
Background
The skin flap is formed by skin with blood supply and subcutaneous adipose tissue attached to the skin flap, during the process of forming and transferring the skin flap, a part of the skin flap is connected with a body (a flap supply area), the connected part is called a pedicle part to maintain the blood supply, other parts on the surface and the deep surface are separated from the body, after the skin flap is transferred to another wound (a flap graft area), nutrition is supplied by the blood transportation of the pedicle part temporarily, after a wound blood vessel in the flap area grows into the skin flap, a new blood transportation is established, the pedicle part is cut off (called a pedicle breakage), and the whole process of transferring the skin flap is completed.
At present clinically, the broken base of a fruit needs certain process, and medical staff can use the tourniquet to encircle in taking the base of a fruit blood vessel flap, and the tail end is with the hemostatic forceps clamping and closing production pressure, increases the clamping training time gradually, blocks the blood flow in base of a fruit and grafting area, and this method is difficult to operate, wastes time and energy, blocks that pressure is difficult to control, the security is lower, the travelling comfort is relatively poor, and the handle of hemostatic forceps causes secondary injury to patient's skin easily.
SUMMERY OF THE UTILITY MODEL
The utility model provides a training device for blocking blood flow of a pedicle blood vessel, which can solve the problems that the existing pedicle blocking device is difficult to operate, wastes time and labor, is difficult to control the blocking effect, has low safety and poor comfort level, and is easy to cause secondary damage to the skin of a patient.
In order to solve the above technical problem, the present invention provides a training device for blocking blood flow of a pedicle, comprising: the sliding rod is sleeved in the hollow sleeve, and the length of the sliding rod is greater than that of the hollow sleeve; the hollow sleeve is provided with two U-shaped first clamping grooves distributed along the length direction of the hollow sleeve, and each first clamping groove is perpendicular to the length direction of the hollow sleeve; the sliding rod is provided with two second clamping grooves distributed along the length direction of the sliding rod, the two second clamping grooves correspond to the two first clamping grooves one by one, a boss is arranged at the center of the left end of the sliding rod, a compression spring is sleeved on the boss, the inner diameter of the compression spring is matched with the outer diameter of the boss, and a compression spring stopper is arranged at the left end of the hollow sleeve; still include the tourniquet, two free ends of tourniquet can inlay respectively and establish two in the second draw-in groove.
Optionally, a distance between the right end of the compression spring stopper and the left end of the boss is smaller than a length of the compression spring in a free state.
Optionally, the compression spring stop is a stop plate disposed at a left end of the hollow sleeve.
Optionally, the compression spring stop is an annular rib extending inwardly from an inner wall of the left end of the hollow sleeve.
Optionally, the right end of the sliding rod is rotatably connected with a rotating handle, an external thread is arranged on the outer wall of the rotating handle, an internal thread is arranged on the inner wall of the right end of the hollow sleeve, and the internal thread is matched with the external thread.
Optionally, a guide groove is formed in the inner wall of the hollow sleeve along the length direction of the hollow sleeve, a guide rib is arranged on the outer wall of the sliding rod along the length direction of the sliding rod, and the guide rib is matched with the guide groove.
Optionally, the tourniquet is a flexible hose, and the diameter of the tourniquet is 3-5 mm.
The utility model can produce the beneficial effects that:
according to the utility model, the two first clamping grooves are arranged on the hollow sleeve along the length direction of the hollow sleeve, the two second clamping grooves are arranged on the sliding rod along the length direction of the sliding rod, the compression spring is sleeved on the boss at the left end of the sliding rod, the sliding rod is placed in the hollow sleeve, the sliding rod is pressed, and the two free ends of the tourniquet embedded in the two second clamping grooves are tensioned through the reaction force of the compression spring, so that the tourniquet is tightly wound on the pedicel blood vessel flap, the purpose of training of blocking the blood flow of the pedicel blood vessel is realized, the regulation of blocking pressure can be realized by setting the number of turns of the open outer ring of the compression spring, and the device has the advantages of simple structure, easiness in operation, wide material acquisition and lower cost.
Drawings
Fig. 1 is a schematic structural diagram of a training device for blocking blood flow of a pedicle blood vessel according to an embodiment of the present invention in a separated state;
fig. 2 is a schematic structural diagram of a training device for blocking blood flow of a pedicle blood vessel according to an embodiment of the present invention in a use state.
Wherein, 100: a hollow sleeve; 102: a first card slot; 200: a slide bar; 201: a second card slot; 202: a boss; 203: a compression spring; 204: rotating the handle; 2041: an external thread; 300: a tourniquet.
Detailed Description
The present invention will be described in detail with reference to examples, but the present invention is not limited to these examples.
The embodiment of the utility model provides a training device for blocking blood flow of a pedicle blood vessel, which comprises: the hollow sleeve 100 with the opening at the right end and the sliding rod 200 sleeved in the hollow sleeve 100 are provided, the length of the sliding rod 200 is larger than that of the hollow sleeve 100, so that the sliding rod 200 is compressed in the hollow sleeve 100, the right end of the sliding rod 200 is always positioned outside the hollow sleeve 100, and medical staff can press the sliding rod 200 conveniently at any time, thereby avoiding the situation that the right end of the sliding rod 200 is pulled out from the hollow sleeve 100 through external force when the right end of the sliding rod 100 needs to be pressed again due to the fact that the sliding rod 200 is too short to press the right end of the sliding rod 200, time and labor are saved, and operation is facilitated.
The hollow sleeve 100 is provided with two U-shaped first clamping grooves 101 distributed along the length direction of the hollow sleeve 100, and each first clamping groove 101 is perpendicular to the length direction of the hollow sleeve 100; the slide bar 200 is provided with two second clamping grooves 201 distributed along the length direction of the slide bar 200, the two second clamping grooves 201 correspond to the two first clamping grooves 101 one by one, the first clamping grooves 101 are matched with the second clamping grooves 201, in the clamping process, the slide bar 200 slides along the length direction of the hollow sleeve 100 by pressing the right end of the slide bar 200, and the second clamping grooves 201 can be tightly clamped with the first clamping grooves 101 in the process;
the center of the left end of the sliding rod 200 is provided with a boss 202, the boss 202 is sleeved with a compression spring 203, and the inner diameter of the compression spring 203 is matched with the outer diameter of the boss 202, so that the compression spring 203 is tightly sleeved on the boss 202 in the compression process, and the compression spring 203 and the sliding rod 200 are always connected together for collection;
in addition, the compression spring 203 is a coil spring bearing the pressure, the cross section of the coil spring is mostly circular, the compression spring 203 is generally a wire wound at equal pitch and has a fixed wire diameter, the compression spring 203 supplies resistance force to the external load pressure by using a plurality of open coils, the open coils in the compression spring 203 push back to resist the external pressure, that is, the number of turns of the open coils of the compression spring 203 determines the magnitude of the resistance force of the compression spring 203, the number of turns of the open coils of the compression spring 203 can be selected or customized according to the magnitude of the actual pressure required in the process of the training of blocking the blood flow of the pedicled blood vessel, and the utility model is not limited in particular.
Specifically, the left end of the hollow sleeve 100 is provided with a compression spring stopper, wherein the compression spring stopper can resist the compression spring 203 in the process of pressing the sliding rod 200, so that the compression spring 203 generates a reaction force; the distance between the right end of the compression spring stopper and the left end of the boss 202 is smaller than the length of the compression spring 203 in the free state, so that the compression spring 203 can be ensured to be in a compressed state all the time in the whole training process of blocking the blood flow of the vessel with the pedicle.
Wherein, the compression spring stopper is a baffle arranged at the left end of the hollow sleeve 100 or an annular convex rib which is arranged at the inner wall of the left end of the hollow sleeve 100 and extends inwards; wherein, the baffle or annular protruding muscle play the effect of blockking compression spring 203 respectively, and when compression spring 203 supported and pressed on baffle or annular protruding muscle, produced the reaction force.
The training device for blocking the blood flow of the blood vessel of the pedicle further comprises a tourniquet, two free ends of the tourniquet 300 can be respectively embedded in the two second clamping grooves 201, wherein the tourniquet 300 is a flexible hose, and can be made of silica gel or rubber specifically, so that the tourniquet has good elasticity and a smooth surface, the friction force between the tourniquet 300 and the pedicle tissue of the flap is reduced, the damage to the tissue of a human body is reduced, the diameter of the tourniquet 300 is 3-5mm, and the diameter of the tourniquet 300 can be selected according to the actual situation of the blood flow training of the blood vessel of the pedicle, which is not limited specifically herein.
In the embodiment of the present invention, the right end of the sliding rod 200 is rotatably connected with a rotating handle 204, the outer wall of the rotating handle 204 is provided with an external thread 2041, the inner wall of the right end of the hollow sleeve 100 is provided with an internal thread, the internal thread is matched with the external thread 2041, when the rotating handle 204 is rotated, the sliding rod 200 and the hollow sleeve 100 are always in an integrated state and cannot be separated from the hollow sleeve 100, so that the sliding rod 200 and the hollow sleeve 100 can be conveniently collected after the use.
In the embodiment of the present invention, a guide groove is formed on the inner wall of the hollow sleeve 100 along the length direction of the hollow sleeve 100, a guide rib is formed on the outer wall of the slide bar 200 along the length direction of the slide bar 200, and the guide rib is matched with the guide groove, so that when the slide bar 200 enters the hollow sleeve 100, the guide rib on the outer wall of the slide bar 200 is always embedded in the guide groove on the inner wall of the hollow sleeve 100, when the rotary handle 204 at the right end of the slide bar 200 is screwed in or out along the length direction of the hollow sleeve 100, the slide bar 200 does not rotate along with the rotation of the rotary handle 204, and the second locking groove 201 on the slide bar 200 is always located on the same horizontal line with the first locking groove 101 on the hollow sleeve 100.
Similarly, the inner wall of the hollow sleeve 100 is provided with a guide rib along the length direction of the hollow sleeve 100, the outer wall of the slide bar 200 is provided with a guide groove along the length direction of the slide bar 200, the guide groove is matched with the guide rib, the effect generated by the guide rib is consistent with the effect generated by the guide rib arranged on the inner wall of the hollow sleeve 100 along the length direction of the hollow sleeve 100, and the effect generated by the guide rib arranged on the outer wall of the slide bar 200 along the length direction of the slide bar 200 is consistent.
The specific operation method of the training device for blocking the blood flow of the pedicle blood vessel comprises the following steps:
1) before the training of blocking the blood flow of the pedicle blood vessel, the compression spring 203 is sleeved on the boss 202 at the left end of the sliding rod 200, so that the guide rib on the outer wall of the sliding rod 200 is opposite to the guide groove on the inner wall of the hollow sleeve 100, and one end of the sliding rod 200 with the compression spring 203 extends into the hollow sleeve 100 along the right end of the hollow sleeve 100;
2) the tourniquet 300 is wound on the pedicle flap of the blood vessel and tensioned, the sliding rod 200 is pressed through the rotary handle 204, a gap is reserved between the second clamping groove 201 on the sliding rod 200 and the first clamping groove 101 on the hollow sleeve 100, two free ends of the tourniquet 300 are respectively placed into the second clamping groove 201, then the rotary handle 204 is loosened, and the two free ends of the tourniquet 300 are tightly clamped in the second clamping groove 201 on the sliding rod 200 under the reaction force of the compression spring 203.
When the tourniquet 300 is loosened around the pedicle flap, the rotating handle 204 is pressed to leave a gap between the second slot 201 on the sliding rod 200 and the first slot 101 in the hollow sleeve 100, two free ends of the tourniquet 300 respectively placed in the second slots 201 on the sliding rod 200 are tightened, and then the rotating handle 204 is loosened, so that the tourniquet 300 is tightly wound around the pedicle flap under the reaction force of the compression spring 203.
According to the utility model, two first clamping grooves 101 are arranged on the hollow sleeve 100 along the length direction of the hollow sleeve 100, two second clamping grooves 201 are arranged on the sliding rod 200 along the length direction of the sliding rod 200, the compression spring 203 is sleeved on the boss 202 at the left end of the sliding rod 200, the sliding rod 200 is placed in the hollow sleeve 100, the sliding rod 200 is pressed to tighten two free ends of the tourniquet 300 respectively embedded in the two second clamping grooves 201 through the reaction force of the compression spring 203, so that the tourniquet 300 is tightly wound on the pedicle flap, the purpose of pedicle blood vessel blood flow blocking training is realized, the adjustment of the pedicle blood flow blocking pressure can be realized through the number of turns of the open outer ring of the compression spring 203, and the device has the advantages of simple structure, easiness in operation, wide material taking and low cost.
Although the present application has been described with reference to a few embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application as defined by the appended claims.
Claims (7)
1. A training device for blocking blood flow in a pedicle, comprising: the sliding rod mechanism comprises a hollow sleeve (100) with an opening at the right end and a sliding rod (200) sleeved in the hollow sleeve (100), wherein the length of the sliding rod (200) is greater than that of the hollow sleeve (100);
the hollow sleeve (100) is provided with two U-shaped first clamping grooves (101) distributed along the length direction of the hollow sleeve (100), and each first clamping groove (101) is perpendicular to the length direction of the hollow sleeve (100);
the sliding rod (200) is provided with two second clamping grooves (201) distributed along the length direction of the sliding rod (200), the two second clamping grooves (201) correspond to the two first clamping grooves (101) one by one, a boss (202) is arranged at the center of the left end of the sliding rod (200), a compression spring (203) is sleeved on the boss (202), the inner diameter of the compression spring (203) is matched with the outer diameter of the boss (202), and a compression spring stopper is arranged at the left end of the hollow sleeve (100);
the tourniquet is characterized by further comprising a tourniquet (300), and two free ends of the tourniquet (300) can be embedded in the two second clamping grooves (201) respectively.
2. The occlusive pedicle blood flow training device according to claim 1, wherein a distance between a right end of the compression spring stop and a left end of the boss (202) is less than a free-state length of the compression spring (203).
3. The occlusive pedicle blood flow training device according to claim 2, wherein the compression spring stop is a stop disposed at a left end of the hollow sleeve (100).
4. The occlusive pedicle blood flow training device according to claim 2, wherein the compression spring stop is an inwardly extending annular rib provided on an inner wall of a left end of the hollow sleeve (100).
5. The training device for blocking the blood flow of the pedicle as claimed in claim 1, wherein a rotary handle (204) is rotatably connected to a right end of the sliding rod (200), an external thread (2041) is provided on an outer wall of the rotary handle (204), and an internal thread is provided on an inner wall of a right end of the hollow sleeve (100), and the internal thread is matched with the external thread (2041).
6. The training apparatus for blocking the blood flow of the pedicle as claimed in claim 1, wherein a guide groove is formed on an inner wall of the hollow sleeve (100) along a length direction of the hollow sleeve (100), and a guide rib is formed on an outer wall of the sliding rod (200) along the length direction of the sliding rod (200), and the guide rib is matched with the guide groove.
7. The occlusive pedicle blood flow training device according to claim 1, wherein the tourniquet (300) is a flexible tube, the tourniquet (300) having a diameter of 3-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120700401.3U CN215349228U (en) | 2021-04-07 | 2021-04-07 | Blood flow training device for blocking pedicle blood vessels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120700401.3U CN215349228U (en) | 2021-04-07 | 2021-04-07 | Blood flow training device for blocking pedicle blood vessels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215349228U true CN215349228U (en) | 2021-12-31 |
Family
ID=79626270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120700401.3U Expired - Fee Related CN215349228U (en) | 2021-04-07 | 2021-04-07 | Blood flow training device for blocking pedicle blood vessels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215349228U (en) |
-
2021
- 2021-04-07 CN CN202120700401.3U patent/CN215349228U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |