CN112402088A - Flail external chest fixing device - Google Patents
Flail external chest fixing device Download PDFInfo
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- CN112402088A CN112402088A CN202011095274.5A CN202011095274A CN112402088A CN 112402088 A CN112402088 A CN 112402088A CN 202011095274 A CN202011095274 A CN 202011095274A CN 112402088 A CN112402088 A CN 112402088A
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- joint
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- adjusting ring
- flail
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
- A61F5/05—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
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- Nursing (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
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- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a flail external chest fixing device which comprises an adjusting ring, a fixing mechanism and a traction mechanism, wherein the adjusting ring is of a telescopic structure, the adjusting ring is arranged on the fixing mechanism, the fixing mechanism comprises a fixing plate, and a girdling belt which are arranged on the fixing plate, the girdling belt is used for being bound on the waist of a patient, and the girdling belt is used for being bound on the shoulders of the patient; the traction mechanism comprises a sliding component and a traction component, wherein the sliding component is arranged on the adjusting ring in a sliding mode, and the traction component is arranged on the side face, facing the skin, of the sliding component and used for drawing and supporting the collapse position of the patient. The flail external chest fixing device fixes the fixing plate on the patient body through the shoulder strap and the waist strap, and firmly fixes the adjusting ring on the patient body through the fixing mechanism, so that the sliding of the adjusting ring is avoided; meanwhile, the sleeve pipe slides to the corresponding position on the adjusting ring, and the collapse position of the patient is pulled and supported by the pulling connecting rod, so that abnormal respiration of the patient is eliminated, and pain of the patient is relieved.
Description
Technical Field
The invention relates to the technical field of medical auxiliary appliances, in particular to a flail external chest fixing device.
Background
The most common chest trauma is rib fracture, and severe closed chest trauma easily causes multiple rib fractures, so that partial chest wall loses rib support to form flail chest. Flail chest can cause instability and even collapse of the thoracic bone structure, which brings certain damage to the exercise integrity of the thoracic part, and serious patients can cause mediastinal swing and abnormal respiratory movement to cause complications such as respiratory failure and lung infection.
Therefore, the fixing operation for the rib fracture is particularly important. Currently, for external fixation of flail chest, doctors usually apply medical adhesive to the patient's skin, then adhere the medical adhesive with a bandage, pull the bandage up to reposition the rib in the collapsed area, and finally fix the bandage on a steel ring that encircles the patient. But the fixing device formed by the prior bandage is unstable in fixation and easy to fall off, thereby causing secondary injury. And the used steel ring can not adjust the inner diameter at will.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a flail chest external fixing device, which solves the problem that the existing flail chest fixing device is not firm in fixing and is easy to fall off.
In order to realize the technical effects, the technical scheme adopted by the invention is as follows:
a flail external chest fixing device comprises an adjusting ring, a fixing mechanism and a traction mechanism, wherein the adjusting ring is of a telescopic structure, the adjusting ring is arranged on the fixing mechanism, the fixing mechanism comprises a fixing plate, a girdling belt and two girdling straps, the middle of the girdling belt is arranged at the bottom end of the fixing plate, two ends of the girdling belt are connected in an adhesive mode and used for being bound to the waist of a patient, one end of each girdling strap is arranged at the top end of the fixing plate, and the other end of each girdling strap is used for being bound to the shoulder of;
the traction mechanism comprises a sliding assembly and a traction assembly, the sliding assembly is arranged on the adjusting ring in a sliding mode, the traction assembly is arranged on the side face, facing the skin, of the sliding assembly, the traction assembly comprises a traction block, a traction connecting rod and a traction sticker, the traction block is connected to the sliding assembly in a clamping mode, a threaded hole is formed in the traction block, one end of the traction connecting rod is inserted into the threaded hole and is in threaded connection with the traction block, the other end of the traction connecting rod is adjusted with the traction sticker, and one side, far away from the traction pulling strip traction connecting rod, of the.
According to the flail chest external fixing device, the upper end and the lower end of the fixing plate are fixed on the patient body through the shoulder straps and the waist straps, and the adjusting ring is firmly fixed on the patient body through the fixing mechanism, so that the sliding of the adjusting ring is avoided; meanwhile, the sleeve pipe slides to the corresponding position on the adjusting ring, and the collapse position of the patient is pulled and supported by the pulling connecting rod, so that abnormal respiration of the patient is eliminated, and pain of the patient is relieved.
Further, the sliding assembly comprises a sleeve and a locking screw, the sleeve is sleeved on the outer side face of the adjusting ring and can slide on the sleeve along the axis direction of the adjusting ring, one end of the locking screw penetrates through the side wall of the sleeve and abuts against the adjusting ring, and the traction block is connected with the sleeve in a clamped mode. The traction rod can move to the corresponding position through the sliding of the sleeve on the adjusting ring.
Furthermore, a sliding plate with a slideway is arranged on the side surface of the sleeve close to the traction block, and two side edges of the traction block can be inserted into the slideway to be connected with the sliding plate in a clamping manner. The traction block is inserted into the slideway on the sliding plate, so that the traction assembly is very convenient to disassemble.
Further, the adjustable ring includes regulating part and fixed part, the one end and the fixed part of regulating part are smooth transition connection, the other end of regulating part passes through the regulating part lock joint and connects on the fixed part, be equipped with a plurality of adjustment tanks along axis direction spaced apart in the regulating part, the regulating part is including adjusting the frame, the apparatus further comprises a rotating shaft, torsional spring and regulation knot, the one end of regulating part is kept away from at the fixed part to the setting of regulation frame, the relative medial surface and the rotation that adjust the frame are run through at the both ends of pivot are connected, the one end and the pivot of torsional spring are connected, the other end is connected with the medial surface of adjusting the frame, adjust the both sides limit of detaining and the both ends fixed connection of pivot, the one end of adjusting the knot can. The length of the adjusting part inserted into the adjusting frame is changed by pressing the hanging end of the adjusting button, so that the size of the ring diameter of the adjusting ring is changed.
Further, the quantity of adjustable ring is two or more, and a plurality of adjustable rings set up along the parallel interval of axis, and a plurality of adjustable rings all pass through joint spare joint on the fixed plate. The setting of a plurality of adjustable rings can adapt to the position of patient's different rib fractures, convenient adjustment.
Further, the joint spare includes joint board and joint lid, the joint board sets up on the fixed plate, a side of joint lid is articulated with the side of joint board, the joint groove has been seted up on the joint board, the joint board is kept away from the one end on articulated limit and is seted up the joint hole, the joint lid is kept away from the one end on articulated limit and is equipped with the joint post along the direction of perpendicular to joint lid, the one end of keeping away from the joint lid of joint post is equipped with the joint ball, the diameter of joint ball is greater than the diameter in joint hole a little, the joint ball can insert in the joint hole. The clamping cover covers the clamping plate, the clamping ball is inserted into the clamping hole, and the adjusting ring is fixed in the clamping groove, so that the adjusting ring is fixed on the fixing plate.
Furthermore, the clamping hole is provided with a limiting ring, and the outer side surface of the limiting ring is fixedly connected to the top end surface of the clamping hole. The setting of spacing ring makes the joint ball be difficult to break away from in the joint hole.
Furthermore, the side of the clamping cover facing the clamping plate is provided with a plurality of salient points, the adjusting ring is provided with a plurality of pits matched with the salient points, and the salient points can be inserted into the pits. The convex points are inserted into the concave pits, so that the sliding resistance of the adjusting ring relative to the clamping plate can be increased, and the sliding of the adjusting ring is further limited.
The invention has the beneficial effects that: the flail external chest fixing device fixes the upper end and the lower end of the fixing plate on the patient body through the strap and the waistband, and fixes the adjusting ring on the fixing plate through the clamping piece, so that the adjusting ring is firmly fixed on the patient body, and the sliding of the adjusting ring is avoided; meanwhile, the sleeve pipe slides to the corresponding position on the adjusting ring, and the collapse position of the patient is pulled and supported by the pulling connecting rod, so that abnormal respiration of the patient is eliminated, and the patient can not be influenced to get out of bed and walk. And the setting of regulating part can adjust the ring footpath size of adjustable ring, adapts to patient's self condition.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top view of the adjustment ring;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a perspective view of the adjustment member;
FIG. 6 is a cross-sectional view of C-C of FIG. 2;
reference numerals:
10-adjusting ring, 11-adjusting part, 111-adjusting groove, 12-fixing part, 20-fixing mechanism, 21-fixing plate, 22-waist-binding belt, 23-shoulder-binding belt, 30-pulling mechanism, 31-sliding component, 311-sleeve, 312-locking screw, 32-pulling component, 321-pulling block, 322-pulling connecting rod, 323-pulling paste, 324-threaded hole, 33-sliding plate, 331-waist-shaped hole, 40-adjusting part, 41-adjusting frame, 42-rotating shaft, 43-torsion spring, 44-adjusting buckle, 50-clamping part, 51-clamping plate, 52-clamping cover, 53-clamping groove, 54-clamping hole, 55-clamping column, 56-clamping ball, 57-convex point, 58-concave pit, 59-stop collar.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate and imply that the positions or elements referred to must have particular orientations, be constructed and operated in particular ways, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Referring to fig. 1, the external flail chest fixing device provided by the present invention includes an adjusting ring, a fixing mechanism and a pulling mechanism, wherein the adjusting ring is a telescopic structure and is a steel ring that does not deform under the condition of external force. The adjustable ring traction mechanism is arranged on the fixing mechanism, the traction mechanism is arranged on the adjustable ring in a sliding mode, the fixing mechanism comprises a fixing plate, a girdling belt and two girdling straps, the middle of the girdling belt is arranged at the bottom end of the fixing plate, two ends of the girdling belt are connected in a bonding mode and used for being bound to the waist of a patient, one end of each girdling strap is arranged at the top end of the fixing plate, and the other end of each girdling strap is used for being bound to the. When the patient breathing device is used, the adjusting ring is fixed on a patient body through the fixing mechanism, the traction mechanism slides to the corresponding position on the adjusting ring according to the fracture position of the ribs on the patient body, and the collapse area of the patient is pulled and supported through the traction mechanism, so that the patient can breathe smoothly.
Referring to fig. 2 and 3, the pulling mechanism includes a sliding assembly slidably disposed on the adjusting ring and a pulling assembly disposed on a skin-facing side of the sliding assembly. The traction assembly comprises a traction block, a traction connecting rod and a traction paste, the traction block is clamped on the sliding assembly, a threaded hole is formed in the traction block, one end of the traction connecting rod is inserted into the threaded hole to be in threaded connection with the traction block, the threaded hole penetrates through the traction block, the other end of the traction connecting rod is adjusted with the traction paste, one side, away from the traction connecting rod, of the traction paste is used for adhering the skin of a patient, the traction paste can be firmly adhered to the skin of the patient, and the traction paste is not easy to break away.
The sliding assembly comprises a sleeve and a locking screw, the sleeve is sleeved on the outer side face of the adjusting ring, the sleeve can slide on the sleeve along the axis direction of the adjusting ring, one end of the locking screw penetrates through the side wall butt of the sleeve and is connected with the adjusting ring, and the traction block is connected with the sleeve in a clamped mode and can be freely installed or detached and flexibly used. Wherein, the side of the sleeve close to the traction block is provided with a sliding plate with a slideway, and two side edges of the traction block can be inserted into the slideway to be connected with the sliding plate in a clamping way. Waist-shaped holes are formed in the sliding plate in the vertical direction, and one end, penetrating through the threaded holes in the traction block, of the traction rod penetrates through the waist-shaped holes.
According to the collapse position of a patient, the sleeve can be moved to the corresponding position on the adjusting ring, the sleeve is fixed at the position by screwing the locking screw, the traction paste is adhered at the collapse position, the traction connecting rod is rotated to pull and support the collapse position, abnormal respiration is eliminated, and meanwhile, due to the fact that the traction connecting rod is in threaded connection with the traction block, a doctor can adjust the traction distance at any time.
Preferably, the number of the traction mechanisms on the adjusting ring is at least one, and a plurality of traction mechanisms can be selected according to the position and the number of the rib fractures on the patient, so that the traction mechanisms can slide to different positions to pull and support the collapsed position on the patient.
Referring to fig. 2, 4 and 5, the adjusting ring includes an adjusting portion and a fixing portion, one end of the adjusting portion is connected to the fixing portion in a smooth transition manner, and the other end of the adjusting portion is connected to the fixing portion by an adjusting member. Specifically, be equipped with a plurality of adjustment tank along the axis direction spaced apart on the regulating part, the regulating part is detained including adjusting frame, pivot, torsional spring and regulation, and the one end of regulating part is kept away from at the fixed part to the setting of adjusting frame, and the relative medial surface and the rotation that the both ends of pivot run through the regulating frame are connected. The both ends of pivot all are connected with the torsional spring, and the one end and the pivot of torsional spring are connected, and the other end is connected with the medial surface of adjusting the frame. The both sides limit of adjusting the knot and the both ends fixed connection of pivot, the one end of adjusting the knot can the lock joint in order to restrict the removal of regulating part in adjusting the frame in the adjustment tank, and the other end of adjusting the knot is unsettled setting.
When the hanging end of the adjusting buckle is not pressed, the torsion spring is in a natural telescopic state. The suspended end of the adjusting buckle is pressed downwards, so that one end of the adjusting buckle buckled in the adjusting groove can tilt, the adjusting part can move in the adjusting frame, the diameter of the adjusting ring can be changed, different positions of rib fracture on a patient can be adapted, and the traction and the bracing of the traction and connection rod are facilitated; meanwhile, after the suspended end of the adjusting buckle is loosened, the rotating shaft rotates due to the recovery performance of the torsion spring, and the adjusting buckle is buckled in the adjusting groove.
Preferably, the quantity of adjustable ring is two or more, and a plurality of adjustable rings set up at vertical direction parallel interval, and a plurality of adjustable rings all pass through joint spare joint on the fixed plate. A plurality of adjustable rings parallel arrangement for the fracture position of difference about the patient is gone up, and multi-level and multi-angle carry out the tractive.
Referring to fig. 2 and 6, the clip is disposed on the fixing plate along the vertical direction. Specifically, the joint spare includes joint board and joint lid, and the joint board sets up on the fixed plate, and a side of joint lid is articulated with the side of joint board, has seted up the joint groove on the joint board for place the adjustable ring, fix the adjustable ring on the fixed plate. The joint hole has been seted up to the joint board one end of keeping away from articulated limit, is equipped with the spacing ring on the joint hole, and the lateral surface fixed connection of spacing ring is at joint hole top end face. The one end that articulated limit was kept away from to the joint lid is equipped with the joint post along the direction of perpendicular to joint lid, and the one end of keeping away from the joint lid of joint post is equipped with the joint ball, and the diameter of joint ball is greater than the diameter in joint hole a little, and the joint ball can insert in the joint hole. Wherein, joint ball is made by elastic material. The quantity of joint hole and the joint post that has the joint ball is two, and two joint holes set up side by side, and two joint balls insert two joint downtheholely respectively, have increased the stability of fixing the adjustable ring on the joint board, prevent that the relative joint board of adjustable ring from producing and slide.
Through placing the regulating groove with the adjustable ring in, insert the joint hole with the joint ball again, make the adjustable ring fix on the joint board for the fixed of adjustable ring is very convenient with demolising, can increase or reduce the quantity of adjustable ring according to the patient's condition, can not influence existing tractive of adjusting the ring to the position of collapsing moreover.
Preferably, the side of the clamping cover facing the clamping plate is provided with a plurality of convex points, the adjusting ring is provided with a plurality of concave pits matched with the convex points, the convex points can be inserted into the concave pits, the sliding resistance of the adjusting ring relative to the clamping plate is increased, and the sliding of the adjusting ring is further limited.
The working principle of the invention is as follows: when in use, firstly, the number and the quantity of fracture fractures on a patient are determined, and the number of the adjusting rings and the traction mechanisms on the adjusting rings are determined; then binding the shoulder strap on the shoulder of the patient and binding the waist strap on the waist of the patient; then placing the adjusting ring into the adjusting groove, covering the clamping cover, and fixing the adjusting ring on the fixing plate; then adjusting the ring diameter of different adjusting rings according to the self condition of the patient, pressing the free end of the adjusting button, inserting the adjusting part into the adjusting frame, loosening the free end of the adjusting button, clamping the adjusting button in the adjusting groove, and fixing the ring diameter of the adjusting ring; and finally, moving the sleeve to a corresponding position, screwing the locking screw to fix the sleeve, adhering the traction paste to the sunken position of the patient, rotating the traction connecting rod outwards, and pulling and supporting the sunken position of the patient.
The invention has the beneficial effects that: the flail external chest fixing device fixes the upper end and the lower end of the fixing plate on the patient body through the strap and the waistband, and fixes the adjusting ring on the fixing plate through the clamping piece, so that the adjusting ring is firmly fixed on the patient body, and the sliding of the adjusting ring is avoided; meanwhile, the sleeve pipe slides to the corresponding position on the adjusting ring, and the collapse position of the patient is pulled and supported by the pulling connecting rod, so that abnormal respiration of the patient is eliminated, and the patient can not be influenced to get out of bed and walk. And the setting of regulating part can adjust the ring footpath size of adjustable ring, adapts to patient's self condition.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. The flail external chest fixing device is characterized by comprising an adjusting ring, a fixing mechanism and a traction mechanism, wherein the adjusting ring is of a telescopic structure and is arranged on the fixing mechanism, the fixing mechanism comprises a fixing plate, a girdling belt and two girdling straps, the middle of the girdling belt is arranged at the bottom end of the fixing plate, two ends of the girdling belt are connected in an adhesive mode and used for being bound to the waist of a patient, one ends of the girdling straps are arranged at the top end of the fixing plate, and the other ends of the girdling straps are used for being bound to the shoulders of the patient;
the traction mechanism comprises a sliding assembly and a traction assembly, the sliding assembly is arranged on the adjusting ring in a sliding mode, the traction assembly is arranged on the side face, facing the skin, of the sliding assembly, the traction assembly comprises a traction block, a traction connecting rod and a traction paste, the traction block is connected to the sliding assembly in a clamping mode, a threaded hole is formed in the traction block, one end of the traction connecting rod is inserted into the threaded hole to be in threaded connection with the traction block, the other end of the traction connecting rod is adjusted with the traction paste, and one side, far away from the traction connecting rod, of the traction paste is used for bonding the skin of.
2. A flail external chest fixation device as defined in claim 1 wherein: the sliding assembly comprises a sleeve and a locking screw, the sleeve is sleeved on the outer side face of the adjusting ring and can slide on the sleeve along the axis direction of the adjusting ring, one end of the locking screw penetrates through the side wall of the sleeve and abuts against the adjusting ring, and the traction block is connected with the sleeve in a clamping mode.
3. A flail external chest fixation device as defined in claim 2 wherein: the side surface of the sleeve close to the traction block is provided with a sliding plate with a slideway, and two side edges of the traction block can be inserted into the slideway to be connected with the sliding plate in a clamping manner.
4. A flail external chest fixation device as defined in claim 1 wherein: the adjustable ring includes regulating part and fixed part, the one end and the fixed part of regulating part are smooth transition connection, the other end of regulating part passes through the regulating part lock joint and connects on the fixed part, the last spaced apart a plurality of adjustment tanks that are equipped with of axis direction of following of regulating part, the regulating part is detained including adjusting frame, pivot, torsional spring and regulation, the one end of regulating part is kept away from at the fixed part to the setting of regulation frame, the relative medial surface that the both ends of pivot run through the regulating frame just rotates to be connected, the one end and the pivot of torsional spring are connected, and the other end is connected with the medial surface of adjusting the frame, adjust the both sides limit of detaining and the both ends fixed connection of pivot, the one end of adjusting the knot can the lock joint be in the adjustment tank with the removal.
5. A flail external chest fixation device as defined in claim 4 wherein: the quantity of adjustable ring is two or more, and a plurality of adjustable rings set up along the parallel interval of axis, and a plurality of adjustable rings all pass through joint spare joint on the fixed plate.
6. A flail external chest fixation device as defined in claim 5 wherein: the joint spare includes joint board and joint lid, the joint board sets up on the fixed plate, a side of joint lid is articulated with the side of joint board, the joint groove has been seted up on the joint board, the joint board is kept away from the one end on articulated limit and is seted up the joint hole, the joint lid is kept away from the one end on articulated limit and is equipped with the joint post along the direction of perpendicular to joint lid, the one end of keeping away from the joint lid of joint post is equipped with the joint ball, the diameter of joint ball is greater than the diameter in joint hole a little, the joint ball can insert in the joint hole.
7. A flail external chest fixation device as defined in claim 4 wherein: the limiting ring is arranged on the clamping hole, and the outer side face of the limiting ring is fixedly connected to the top end face of the clamping hole.
8. A flail external chest fixation device as defined in claim 4 wherein: the side that the joint lid faces the joint board is equipped with a pair bump, be equipped with a plurality of pits that match with the bump on the adjustable ring, the bump can insert in the pit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011095274.5A CN112402088B (en) | 2020-10-14 | 2020-10-14 | Flail external chest fixing device |
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|---|---|---|---|
| CN202011095274.5A CN112402088B (en) | 2020-10-14 | 2020-10-14 | Flail external chest fixing device |
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| CN112402088B CN112402088B (en) | 2023-04-11 |
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| KR101685300B1 (en) * | 2015-08-11 | 2016-12-09 | 연세대학교 원주산학협력단 | external fixation apparatus for rib fractures |
| CN205411422U (en) * | 2015-12-21 | 2016-08-03 | 汤福刚 | No wound collar -bone reduction of fracture external fixation |
| CN205586061U (en) * | 2016-03-08 | 2016-09-21 | 重庆医科大学附属大学城医院 | A external fixator for fracture of rib department |
| CN209203669U (en) * | 2018-07-04 | 2019-08-06 | 郭振业 | Orthopaedics negative pressure traction cover |
| CN110811959A (en) * | 2019-11-25 | 2020-02-21 | 新余市人民医院 | Rib fracture fixing device for thoracic surgery |
| CN211611502U (en) * | 2019-12-06 | 2020-10-02 | 中山大学附属第三医院 | Chest type breathing training guide |
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| CN112402088B (en) | 2023-04-11 |
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