CN216294187U - Humerus intramedullary positioning mouth gag - Google Patents
Humerus intramedullary positioning mouth gag Download PDFInfo
- Publication number
- CN216294187U CN216294187U CN202121245535.7U CN202121245535U CN216294187U CN 216294187 U CN216294187 U CN 216294187U CN 202121245535 U CN202121245535 U CN 202121245535U CN 216294187 U CN216294187 U CN 216294187U
- Authority
- CN
- China
- Prior art keywords
- drill
- hollow
- central positioning
- positioning
- guide pin
- 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.)
- Expired - Fee Related
Links
- 210000002758 humerus Anatomy 0.000 title claims abstract description 30
- 208000010392 Bone Fractures Diseases 0.000 abstract description 11
- 206010017076 Fracture Diseases 0.000 abstract description 11
- 230000035876 healing Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 241001074085 Scophthalmus aquosus Species 0.000 description 5
- 230000002980 postoperative effect Effects 0.000 description 4
- 206010002091 Anaesthesia Diseases 0.000 description 3
- 206010063659 Aversion Diseases 0.000 description 3
- 208000032843 Hemorrhage Diseases 0.000 description 3
- 208000007981 Humeral Fractures Diseases 0.000 description 3
- 206010020462 Humerus fracture Diseases 0.000 description 3
- 230000037005 anaesthesia Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000037921 secondary disease Diseases 0.000 description 3
- 208000002193 Pain Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 210000000784 arm bone Anatomy 0.000 description 2
- 210000001185 bone marrow Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000000399 orthopedic effect Effects 0.000 description 2
- 230000036407 pain Effects 0.000 description 2
- 208000032170 Congenital Abnormalities Diseases 0.000 description 1
- 206010061619 Deformity Diseases 0.000 description 1
- 208000012661 Dyskinesia Diseases 0.000 description 1
- 206010042674 Swelling Diseases 0.000 description 1
- 210000002659 acromion Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000000852 deltoid muscle Anatomy 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 210000004095 humeral head Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000001087 myotubule Anatomy 0.000 description 1
- 206010033675 panniculitis Diseases 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000004304 subcutaneous tissue Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a humerus intramedullary positioning mouth gag, which comprises a hollow drill, a central positioning drill and a guide pin, wherein one end of the hollow drill is fixedly connected with a hollow drill bit, the central positioning drill extends to the interior of the hollow drill bit through the hollow drill, the guide pin is positioned in the central positioning drill, the top end of the central positioning drill is higher than the top end of the hollow drill, the interior of the central positioning drill is arranged in a hollow way, the diameter of the hollow arrangement in the central positioning drill is 2mm, and the total length of the central positioning drill is 100 mm. Fracture reduction and loss, and poor fracture healing.
Description
Technical Field
The utility model relates to the technical field of orthopedic surgery, in particular to a humerus intramedullary positioning mouth gag.
Background
Humeral fractures often occur at three parts of a humeral surgical neck, a humeral shaft and a humeral condyle, can occur at any age and are mostly caused by direct violence and indirect violence, such as heavy object impact, extrusion and striking, and hand or elbow landing when pounding down, the violence is transmitted to each part through the forearm or elbow, symptoms such as swelling and pain, deformity, abnormal movement, bone rubbing feeling and the like can appear after the humeral fracture, X-ray examination can clearly diagnose and prompt the type of the fracture, but an inner nail needs to be implanted in the humerus to support a patient under the condition of serious humeral fracture, so that the patient can be helped to recover.
Through retrieval, CN108403197A discloses a humeral intramedullary nail opening director, including the long arm support and with this support looks perpendicular short arm support that sets up, all be equipped with the guiding hole on long arm support and the short arm support, set up a plurality of and the perpendicular guiding hole of long arm support on the long arm support, be equipped with a plurality of and the perpendicular guiding hole of short arm on the short arm support, the guiding hole is located same cross-section. The utility model adopts the principle of two points and one line, when the needle is inserted at the junction of the humerus head and the greater tubercle positioned at the back of the intertubercular sulcus, the positive side positions of the extension lines are all positioned at the center of the humeral medullary cavity, and the humerus head is opened by utilizing the opening of the guide needle surrounded by the central positioning drill and the hollow drill, thus having the advantages that: can effectively and quickly position, accurately insert the main nail and has flexible and convenient operation.
The humerus marrow positioning mouth gag that the hospital used inside at present, even under the accurate condition of guide pin location, still often lead to opening position partially preceding and partially outside, the humerus intramedullary nail must carry out accurate main nail and put into, the opening direction is incorrect can lead to patient's functional recovery unsatisfactory, fracture reduction is lost, the bad condition of fracture healing makes the operation trap into the dilemma that is difficult to overcome often, bring the trouble for the doctor that performs the operation on the one hand, on the other hand makes the patient because of the location inaccurate, bring the misery at the postoperative, make the doctor increase in the time of performing the operation simultaneously, the risk of operation has been increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an intramedullary positioning mouth gag for humerus.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a humerus intramedullary positioning mouth gag, includes core drill, central location brill and guide pin, the one end fixedly connected with core drill bit of core drill, the central location is bored and is extended to the inside of core drill bit through the core drill, the guide pin is located the inside of central location brill.
Preferably, the top end of the center positioning drill is higher than the top end of the hollow drill, the inside of the center positioning drill is a hollow arrangement, and the diameter of the hollow arrangement in the center positioning drill is 2 mm.
Preferably, the total length of the centering drill is 100 mm.
Preferably, the outside diameter of core drill is 11mm, the inside of core drill has seted up the spread groove, central location bores and spread groove sliding connection.
Preferably, the diameter of the guide pin is 2mm, and the guide pin is matched with the hollow inside of the central positioning drill.
Preferably, the joint of the hollow drill and the hollow drill bit is arranged in an arc shape, and the structure of the hollow drill adopts three-tooth multi-edge cutting.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the effect of core drill internally mounted center location brill, make the doctor use the mouth gag to carry out a locate function for the patient when performing the operation, make that the doctor can be accurate carry out the opening to the suffering humerus inside, and then carry out the main nail and put into, it needs to explain that, through such setting, can avoid the doctor to carry out the humerus opening for the patient opening the time opening position partially preceding and partially outside, the effectual humerus open-ended accuracy that has increased.
2. Through the inside effect of seting up the hollow groove of central positioning brill, including hollow groove and guide pin assorted effect, further increase the doctor and carrying out upper arm bone open-ended accuracy for the patient, it is more accurate to make the open position, need explain, through such setting, the open-ended accuracy of upper arm bone has further been increased, can make the position of the main nail of putting into more accurate, avoided because of the open position is inaccurate, bring the trouble for the doctor, thereby avoided the patient to be sick again after the operation, bring the secondary misery for the patient.
3. Through the above, can be accurate carry out the location opening to the humerus through such setting up brachial bone marrow location mouth gag to effectual reduction because of the operation risk that the internal fixation became invalid and brought, and then practice thrift operating time, patient infection probability and anesthesia time have been reduced, the operation degree of difficulty has been reduced, non-technical error has appeared in the operation in-process under the doctor has been avoided, the risk that the patient was sent out at postoperative secondary disease has further been avoided, bring the injury once more for the patient, the mouth gag that sets up like this can carry out accurate opening under the accurate guide of guide pin, and then shortened operating time, patient's hemorrhage has been reduced, the aversion that patient's fracture arouses has been avoided in accurate main nail implantation.
Drawings
FIG. 1 is a schematic view of an intramedullary positioning device for humerus according to the present invention;
FIG. 2 is a schematic view of a central positioning drill of the intramedullary positioning mouth gag of the humerus according to the present invention;
FIG. 3 is a schematic view of a needle of the intramedullary positioning of the humerus, which is a guide pin of the mouth gag.
In the figure: 1 hollow drill, 2 central positioning drill, 3 hollow drill and 4 guide pins.
Detailed Description
The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a humerus intramedullary positioning mouth gag, including core drill 1, central positioning drill 2 and guide pin 4, the one end fixedly connected with core drill 3 of core drill 1, the junction of core drill 1 and core drill 3 adopts the arc setting, the structure of core drill 1 adopts the cutting of three teeth multiple-edged, the spread groove has been seted up to the inside of core drill 3, central positioning drill 2 and spread groove sliding connection, central positioning drill 2 extends to the inside of core drill 3 through core drill 1, guide pin 4 is located the inside of central positioning drill 2.
The top that central positioning bored 2 is higher than core drill 1, the outside diameter of core drill 1 is 11mm, the inside that central positioning bored 2 is hollow setting, the diameter that the inside hollow setting of central positioning bored 2 is 2mm, the total length that central positioning bored 2 is 100mm, the diameter of guide pin 4 is 2mm, the inside hollow setting phase-match of guide pin 4 and central positioning brill 2, bore 2 inside hollow position assorted reason through guide pin 4 and central positioning, can make the doctor when carrying out the humerus opening location, can be quick effectual fix a position, and insert guide pin 4 accurately, because of the mouth gag sets up simple structure's effect, can make the doctor flexible operation and convenient when carrying out the operation.
Through the effect of installing the central positioning drill 2 in the hollow drill 1, a doctor can perform a positioning function when using the mouth gag to perform an operation on a patient, so that the doctor can accurately open the interior of the affected humerus and then place a main nail, and it needs to be explained that through the arrangement, the situation that the opening position is deviated in front and outside when the doctor performs the humerus opening on the patient can be avoided, the accuracy of the humerus opening is effectively improved, through the effect of arranging the hollow groove in the central positioning drill 2 and the effect that the hollow groove is matched with the guide pin 4, the accuracy of the humerus opening performed on the patient by the doctor is further improved, the opening position is more accurate, and it needs to be explained that through the arrangement, the accuracy of the humerus opening is further improved, the position of the placed main nail can be more accurate, and the inaccuracy of the opening position is avoided, brings troubles to doctors, thereby avoiding secondary pain of patients caused by secondary illness after operation.
Through the above, can be accurate carry out the location opening to the humerus through such setting up brachial bone marrow location mouth gag to effectual reduction because of the operation risk that the internal fixation became invalid and brought, and then practice thrift operating time, patient infection probability and anesthesia time have been reduced, the operation degree of difficulty has been reduced, non-technical error has appeared in the operation in-process under the doctor has been avoided, the risk that the patient was sent out at postoperative secondary disease has further been avoided, bring the injury once more for the patient, the mouth gag that sets up like this can carry out accurate opening under the accurate guide of guide pin, and then shortened operating time, patient's hemorrhage has been reduced, the aversion that patient's fracture arouses has been avoided in accurate main nail implantation.
The functional principle of the utility model can be illustrated by the following operation modes:
under the condition of general humeral intramedullary nail operation, a patient is helped to sit on a beach chair on an orthopedic operation bed, after anesthesia is effective, the back of the shoulder is properly lifted, an operation incision is made on the front and outer side of the shoulder, a long-side longitudinal incision is made from the lower part of the acromion, subcutaneous tissues and deep fascia are incised, proximal muscle fibers of deltoid muscles are incised, the dead side of a shoulder sleeve is longitudinally split, the humeral head is fully exposed, fracture is reduced, and then an X-ray fluoroscopy machine is used for confirming that the fracture alignment is good.
At this moment, a doctor takes a prepared humerus intramedullary positioning mouth gag, after the guide pin is placed in a satisfactory position, the central positioning drill 2 is inserted into the hollow drill 1 and further extends into the hollow drill 3, after the central positioning drill 2 is installed, the central positioning drill 2 is inserted into the guide pin 4 for medullary cavity opening, and due to the effect that the diameter of the guide pin 4 is matched with the diameter of the hollow part in the central positioning drill 2, the main nail can be better and more accurately placed into a humerus medullary cavity of a patient, so that the fracture part of the patient is fixed.
It should be noted that, through such setting, can make the doctor use the mouth gag to carry out accurate opening under the guide of guide pin at the operation in-process to reduced the operation risk, shortened the time of operation, reduced patient's hemorrhage, accurate main nail is implanted and is avoided arousing the aversion of fracture, further increased the success rate of doctor's operation, thereby avoided the patient to send out at the secondary disease of postoperative, make the operation can once succeed, avoid bringing secondary misery for the patient.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a humerus intramedullary positioning mouth gag, includes core drill (1), central positioning drill (2) and guide pin (4), its characterized in that, the one end fixedly connected with core drill (3) of core drill (1), the inside that central positioning drill (2) extended to core drill (3) through core drill (1), guide pin (4) are located the inside of central positioning drill (2), the junction of core drill (1) and core drill (3) adopts the arc setting, the structure of core drill (1) adopts the cutting of tridentate multiple-edge.
2. The intramedullary positioning mouth gag of claim 1, characterized by the fact that the central positioning drill (2) has a tip higher than the hollow drill (1), the inside of the central positioning drill (2) being hollow and the diameter of the hollow inside of the central positioning drill (2) being 2 mm.
3. The intramedullary positioning broach according to claim 1, characterized in that the total length of the pilot drill (2) is 100mm, and the outside diameter of the pilot drill (2) is 11 mm.
4. The intramedullary positioning and mouth-gag of claim 1, characterized by the fact that the hollow drill (3) has an internal connection slot, to which the central positioning drill (2) is slidingly connected.
5. The intramedullary positioning of humerus mouth gag of claim 1, characterized by the fact that the guide pin (4) has a diameter of 2mm, the guide pin (4) matching the internal hollow setting of the centering drill (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121245535.7U CN216294187U (en) | 2021-06-04 | 2021-06-04 | Humerus intramedullary positioning mouth gag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121245535.7U CN216294187U (en) | 2021-06-04 | 2021-06-04 | Humerus intramedullary positioning mouth gag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216294187U true CN216294187U (en) | 2022-04-15 |
Family
ID=81080258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121245535.7U Expired - Fee Related CN216294187U (en) | 2021-06-04 | 2021-06-04 | Humerus intramedullary positioning mouth gag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216294187U (en) |
-
2021
- 2021-06-04 CN CN202121245535.7U patent/CN216294187U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4913137A (en) | Intramedullary rod system | |
| CN103961174A (en) | Sliding positioning guide device | |
| CN216294187U (en) | Humerus intramedullary positioning mouth gag | |
| CN208481439U (en) | The external fluoremeter of intramedullary interlocking nail distal end pinning | |
| TW201412283A (en) | Guiding device for bone fixation surgery | |
| CN203852418U (en) | Sliding positioning guide | |
| CN107961057A (en) | Processus coracoideus clavicle closure punching sighting device | |
| CN209253081U (en) | PFNA proximal femoral nail instrument | |
| CN111493997B (en) | Guide device for assisting kirschner wire placement in PFN operation | |
| CN107157568A (en) | One kind fracture compression locating device | |
| CN212281586U (en) | Femoral medial condyle retrograde locking intramedullary needle | |
| CN208130045U (en) | Fracture compression locating device | |
| CN209770551U (en) | Reconstruction locator for dissecting anterior cruciate ligament through tibial bone canal | |
| CN209059398U (en) | A kind of femoral interlocking nail opener with three-dimensional localization function | |
| CN218528871U (en) | Knee arthroscope assisted treatment ligament tibia insertion avulsion fracture positioning and guiding device | |
| CN216257255U (en) | Locator for repairing anterior fibular ligament under arthroscope | |
| CN107440779B (en) | Safe angle positioner for setting ischial screws for acetabular fracture reduction | |
| CN215306651U (en) | Navigation device for accurate positioning and embedding of kirschner wire for patella fracture | |
| CN215458535U (en) | Proximal humerus intramedullary nail sighting device | |
| CN206239497U (en) | Neck of femur guide pin guider | |
| CN212879541U (en) | Probe guide sleeve for orthopedic surgery | |
| CN210612219U (en) | Ankle joint guide plate for operation | |
| WO2023173470A1 (en) | Intubation-type tissue expansion orthopedic minimally invasive surgery tool | |
| CN106137372B (en) | Neck of femur guide pin guider | |
| CN108814697A (en) | A kind of femoral interlocking nail opener with three-dimensional localization function |
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: 20220415 |