CN216652432U - Surgical instrument for fracture reduction - Google Patents
Surgical instrument for fracture reduction Download PDFInfo
- Publication number
- CN216652432U CN216652432U CN202122307230.0U CN202122307230U CN216652432U CN 216652432 U CN216652432 U CN 216652432U CN 202122307230 U CN202122307230 U CN 202122307230U CN 216652432 U CN216652432 U CN 216652432U
- Authority
- CN
- China
- Prior art keywords
- clamping
- clamping part
- claw
- pincers handle
- pincers
- 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
- 230000009467 reduction Effects 0.000 title claims description 11
- 210000000078 claw Anatomy 0.000 claims abstract description 63
- 210000000080 chela (arthropods) Anatomy 0.000 claims abstract description 24
- 238000012856 packing Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 abstract description 41
- 208000010392 Bone Fractures Diseases 0.000 abstract description 23
- 206010017076 Fracture Diseases 0.000 abstract description 22
- 208000024779 Comminuted Fractures Diseases 0.000 abstract description 5
- 208000006670 Multiple fractures Diseases 0.000 abstract description 2
- 210000005224 forefinger Anatomy 0.000 description 8
- 210000003813 thumb Anatomy 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 210000003811 finger Anatomy 0.000 description 3
- 208000003044 Closed Fractures Diseases 0.000 description 2
- 208000002565 Open Fractures Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000004877 mucosa Anatomy 0.000 description 2
- 230000000399 orthopedic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model provides a surgical instruments for fracture resets, including the first pincers body and the second inlay of mutual articulated, the first pincers body is including using articulated position as first pincers handle and the first clamping part of boundary, the second inlay uses articulated position as second pincers handle and the second clamping part of boundary, first clamping part and second clamping part correspond the setting, first clamping part is equipped with first U type claw, the second clamping part is equipped with second U type claw, first U type claw and second U type claw incurve and set up in opposite directions, first pincers handle middle part and second pincers handle middle part are equipped with locking device. The first U-shaped claw and the second U-shaped claw synchronously clamp the broken bones at two ends of the transverse fracture or the comminuted fracture, and the use is fast and convenient; the contact area and the friction force between the fixed teeth on the clamping surface and the surface of the bone are increased, the clamping is stable and reliable, and secondary damage to the outer surface of the bone is avoided. The locking device keeps the same locking force for a long time, the clamping is accurate and stable, and the success rate of the operation is greatly improved.
Description
Technical Field
The utility model relates to the technical field of orthopedic surgical instruments, in particular to a surgical instrument for fracture reduction.
Background
Fractures are generally classified into closed fractures and open fractures. No skin or mucosa rupture exists at the fracture part, and the fracture end is not communicated with the outside world and is called closed fracture. The fracture is open fracture when the skin or mucosa is broken and the fracture is communicated with the outside; the fracture end has transverse fracture, oblique fracture or comminuted fracture.
Among the surgical instruments for orthopedics department, a surgical forceps is a common surgical instrument, and the surgical forceps has a plurality of types, including hemostatic forceps, tissue forceps, bone holding forceps, wire forceps and the like. In the use process of the surgical forceps, the forceps mouths of the surgical forceps are opened, the two ends of the bone of the transverse fracture section are clamped by the forceps mouths, the two sections of separated bones are clamped and fixed, a steel plate is conveniently penetrated, the fixation and the wrapping are carried out, the contact area is small when the forceps mouths are clamped, the surgical forceps are suitable for clamping and fixing the fracture operation of oblique fracture, but the transverse fracture and the comminuted fracture are caused, the contact area of the two sections of bone clamping is too small or the comminuted bone is cleaned, and no clamping foundation exists.
Therefore, there is a need to develop a surgical instrument for fracture reduction which can simultaneously clamp fractured bones at both ends and is easy to fix, based on the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a surgical instrument for fracture reduction, which is used for solving the problems in the background technology, and has the advantages of simple and reasonable structure, rapidness and convenience in use, accuracy and stability in clamping and capability of improving the operation efficiency when being used for bone surgeries integrating two sections of fractured bones, such as transverse fracture, comminuted fracture and the like.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a surgical instruments for fracture resets, including the first pincers body and the second inlay of mutual articulated, the first pincers body is including using articulated position as first pincers handle and the first clamping part of boundary, the second inlay uses articulated position as second pincers handle and the second clamping part of boundary, first clamping part and second clamping part correspond the setting, first clamping part is equipped with curved first U type claw, the second clamping part is equipped with curved second U type claw, first U type claw and the inside bend of second U type claw set up in opposite directions, first U type claw forms a circular shape centre gripping space with the second U type, the centre gripping is stable. And locking devices are arranged in the middle of the first clamp handle and the middle of the second clamp handle. After the clamping position is found accurately, the locking device locks, manual force is not needed, the clamping force is continuously stable, and secondary dislocation of bones in the operation process can not be caused.
Preferably, locking device includes matched with locking bolt and lock nut, and locking bolt includes universal swivel ball and screw rod, and first pincers handle middle part is equipped with spherical chamber, and universal swivel ball is wrapped up by spherical chamber and is formed universal rotating connection subassembly, and second pincers handle middle part is equipped with the screw hole, and lock bolt's screw rod passes behind the screw hole and cooperates with lock nut. The locking bolt and the locking nut are self-locked spirally, cannot be loosened and are firmly fixed.
More preferably, locking device is including upper and lower complex auto-lock gleitbretter and spacing piece, and the auto-lock gleitbretter is located first pincers handle inboardly, and second pincers handle inboardly is located to spacing piece, and the face of auto-lock gleitbretter and the parallel relative setting of face of spacing piece are equipped with the sawtooth on the relative face of auto-lock gleitbretter and spacing piece respectively, and the sawtooth on the auto-lock gleitbretter meshes with the sawtooth on the spacing piece mutually. Self-locking sliding sheets and limiting sheets form self-tightening stress, and the self-locking force is continuous and stable.
More preferably, the end portions of the first U-shaped claw and the second U-shaped claw are bent inwards at small angles, the end portions are provided with integrally formed clamping blocks, the surfaces of the clamping blocks are arranged to be clamping surfaces, and the clamping surfaces are provided with a plurality of fixing teeth which are arranged in an array mode. The rough surface formed by the fixing teeth increases the contact area and the friction force between the clamping surface and the surface of the bone, the clamping is stable and reliable, and secondary damage to the outer surface of the bone can be avoided.
More preferably, the tail ends of the first forceps handle and the second forceps handle are respectively provided with a ring, and the inner ring of each ring is provided with a circle of anti-abrasion gasket. The fingers of the doctor can not be tired when being sleeved in the ring for a long time.
More preferably, the abrasionproof packing ring specifically is the silica gel material, and the abrasionproof packing ring outside is along being equipped with anti-skidding line. Effectively prevent that doctor's finger from producing when using for a long time and skid, it is firm to hand stable.
Before clamping the bone, a thumb and a forefinger of a doctor are respectively sleeved in the finger rings, the locking nut is unscrewed in the direction away from the universal rotating ball, the thumb and the forefinger exert force simultaneously, and the first U-shaped claw and the second U-shaped claw are opened according to the lever principle. The thumb and the forefinger exert force inwards at the same time, the first U-shaped claw and the second U-shaped claw are simultaneously and gradually close to the outer surface of the bone inwards, when the reasonable contact positions of all the end parts of the first U-shaped claw and the second U-shaped claw and the outer surface of the bone are completely adjusted, the fixed teeth on the clamping surface are in contact with the surface of the bone, sliding friction is prevented, and the reasonable contact positions of all the end parts of the first U-shaped claw and the second U-shaped claw and the outer surface of the bone are adjusted; and continuously screwing the locking nut until the locking nut is fixed and self-locked.
It can also be, pull open auto-lock gleitbretter and spacing piece, first U type claw and second U type claw open to the maximum state, thumb and forefinger are inwards hard simultaneously, through lever principle, first U type claw and second U type claw are inwards close to the bone surface gradually simultaneously, fixed tooth and bone surface contact on the clamping face, prevent sliding friction, all tip and the reasonable contact position of bone surface when whole first U type claw and second U type claw of adjusting, sawtooth on the auto-lock gleitbretter meshes with the sawtooth on the spacing piece mutually after loosening the hand, accomplish fixed locking state.
After the locking force is kept, the medical staff loosens the hands, then the steel plate is placed on the outer surface of the bone in the length direction, and the two sections of bones are lapped and fixed. After the whole treatment is finished, the locking nut is slowly unscrewed, and the first U-shaped claw and the second U-shaped claw are moved away from the outer surface of the bone after being opened.
Compared with the prior art, the utility model has the beneficial effects that: the first U-shaped claw and the second U-shaped claw synchronously clamp the broken bones at two ends of the transverse fracture or the comminuted fracture, so that the use is rapid and convenient; the contact area and the friction force between the fixed teeth on the clamping surface and the surface of the bone are increased, the clamping is stable and reliable, and secondary damage to the outer surface of the bone is avoided. The locking device keeps the same locking force for a long time, the clamping is accurate and stable, and the success rate of the operation is greatly improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a first locking mechanism of the present invention;
fig. 3 is a schematic view of a second locking device of the present invention.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a surgical instrument for reducing fracture comprises a first forceps body and a second inlay which are hinged with each other, wherein the first forceps body and the second inlay form a scissor-shaped surgical forceps; the first clamp body comprises a first clamp handle 1 and a first clamping part 101 which are separated by a hinge position, and the second inlay comprises a second clamp handle 2 and a second clamping part 201 which are separated by a hinge position. The tail ends of the first forceps handle 1 and the second forceps handle 2 are both provided with a ring 5, and the inner ring of the ring 5 is provided with a circle of anti-abrasion gasket. The thumb and forefinger of doctor embolia respectively in the ring 5, the abrasionproof packing ring specifically is the silica gel material, and the abrasionproof packing ring outer fringe is equipped with anti-skidding line.
First clamping part 101 and second clamping part 201 correspond the setting, first clamping part 101 is equipped with curved first U type claw 111, second clamping part 201 is equipped with curved second U type claw 211, first U type claw 111 and second U type claw 211 incurve and set up in opposite directions, the doctor cover is exerted oneself simultaneously with the forefinger at thumb in the ring 5, according to lever principle, first clamping part 101 and second clamping part 201 move in opposite directions, then first U type claw 111 contacts the long bone surface of patient simultaneously with second U type claw 211. The end parts of the first U-shaped claw 111 and the second U-shaped claw 211 are bent inwards at a small angle, the end parts are provided with integrally formed clamping blocks 4, the surfaces of the clamping blocks 4 are arranged to be clamping surfaces, and the clamping surfaces are provided with a plurality of fixing teeth 401 which are arranged in an array mode. The fixing teeth 401 on the clamping surfaces are in contact with the bone surface to prevent sliding friction, and all the ends of the first U-shaped claw 111 and the second U-shaped claw 211 are adjusted to be in reasonable contact positions with the bone surface.
And locking devices 3 are arranged in the middle of the first forceps handle 1 and the middle of the second forceps handle 2. Through locking of locking device 3, keep the locking force after, medical personnel loosen the hand, get into next treatment flow.
The first embodiment:
referring to fig. 2, the locking device 3 includes a locking bolt 302 and a locking nut 301 that are matched with each other, the locking bolt 302 includes a universal rotating ball and a screw, a spherical cavity is formed in the middle of the first caliper handle 1, the universal rotating ball is wrapped by the spherical cavity to form a universal rotating connection assembly 305, a threaded hole is formed in the middle of the second caliper handle 2, and the screw of the locking bolt 302 is matched with the locking nut 301 after passing through the threaded hole.
Before the centre gripping bone, unscrew lock nut 301 to keeping away from universal spin ball direction, first U type claw 111 and second U type claw 211 open, thumb and forefinger are inwards hard simultaneously, through lever principle, first U type claw 111 and second U type claw 211 are inwards close to the bone surface gradually simultaneously, when the reasonable contact position of all tip and bone surface of whole first U type claw 111 of having adjusted and second U type claw 211, constantly tighten lock nut 301 until fixed auto-lock. Then, a steel plate is arranged on the outer surface of the bone along the length direction, and the two sections of bone are lapped and fixed. After the whole treatment is completed, the locking nut 301 is slowly unscrewed, and the first U-shaped claw 111 and the second U-shaped claw 211 are moved away from the outer surface of the bone after being opened.
Second embodiment:
referring to fig. 3, the locking device 3 includes a self-locking sliding piece 303 and a limiting piece 304 which are vertically matched, the self-locking sliding piece 303 is disposed on the inner side of the first clamp handle 1, the limiting piece 304 is disposed on the inner side of the second clamp handle 2, the plate surface of the self-locking sliding piece 303 and the plate surface of the limiting piece 304 are disposed in parallel and oppositely, sawteeth are respectively disposed on the plate surfaces of the self-locking sliding piece 303 and the limiting piece 304 which are opposite, and the sawteeth on the self-locking sliding piece 303 are engaged with the sawteeth on the limiting piece 304.
Before the centre gripping bone, draw open auto-lock gleitbretter 303 and spacing piece 304, first U type claw 111 and second U type claw 211 open to the biggest state, thumb and forefinger are inwards hard simultaneously, through lever principle, first U type claw 111 and second U type claw 211 are inwards close to the bone surface gradually simultaneously, all tip and the reasonable contact position of bone surface of first U type claw 111 and second U type claw 211 have all been adjusted well, the sawtooth on auto-lock gleitbretter 303 meshes with the sawtooth on spacing piece 304 after the hand is loosened, accomplish fixed locking state, later put into the steel sheet at the tight surface of bone length direction subsides, lap two sections bone and fix. After the whole treatment is finished, the limiting sheet 304 is pushed forwards, after the meshed sawteeth are separated, the self-locking sliding sheet 303 and the limiting sheet 304 move relatively and separately, and the first U-shaped claw 111 and the second U-shaped claw 211 are opened and then move away from the outer surface of the bone.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A surgical instrument for fracture reduction, characterized by: including the first pincers body and the second inlay of mutual articulated, the first pincers body is including using articulated position as first pincers handle (1) and first clamping part (101) of boundary, the second inlay uses articulated position as including second pincers handle (2) and second clamping part (201) of boundary, first clamping part (101) and second clamping part (201) correspond the setting, first clamping part (101) are equipped with curved first U type claw (111), second clamping part (201) are equipped with curved second U type claw (211), first U type claw (111) and second U type claw (211) incurve and set up in opposite directions, first pincers handle (1) middle part and second pincers handle (2) middle part are equipped with locking device (3).
2. A surgical instrument for fracture reduction according to claim 1, wherein: locking device (3) are including matched with locking bolt (302) and lock nut (301), and locking bolt (302) are including universal swivel ball and screw rod, and first pincers handle middle part is equipped with spherical chamber, and universal swivel ball is wrapped up by spherical chamber and is formed universal rotating connection subassembly (305), and second pincers handle middle part is equipped with the screw hole, and the screw rod of locking bolt (302) passes behind the screw hole and cooperates with lock nut (301).
3. A surgical instrument for fracture reduction according to claim 1, wherein: locking device (3) are including upper and lower complex auto-lock gleitbretter (303) and spacing piece (304), first pincers handle (1) inboard is located in auto-lock gleitbretter (303), second pincers handle (2) inboard is located in spacing piece (304), the face parallel of face and spacing piece (304) of auto-lock gleitbretter (303) sets up relatively, be equipped with the sawtooth on the face that auto-lock gleitbretter (303) and spacing piece (304) are relative respectively, the sawtooth on auto-lock gleitbretter (303) meshes with the sawtooth on the spacing piece (304) mutually.
4. A surgical instrument for fracture reduction according to claim 1, wherein: the end parts of the first U-shaped claw (111) and the second U-shaped claw (211) are bent inwards at a small angle, the end parts are provided with integrally formed clamping blocks (4), the surface of each clamping block (4) is provided with a clamping surface, and a plurality of fixing teeth (401) which are arranged in an array mode are arranged on the clamping surfaces.
5. A surgical instrument for fracture reduction according to claim 1, wherein: the tail ends of the first forceps handle (1) and the second forceps handle (2) are respectively provided with a ring (5), and the inner ring of the ring (5) is provided with a circle of anti-abrasion gasket.
6. A surgical instrument for fracture reduction according to claim 5, wherein: the abrasionproof packing ring specifically is the silica gel material, and abrasionproof packing ring outside is along being equipped with anti-skidding line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122307230.0U CN216652432U (en) | 2021-09-23 | 2021-09-23 | Surgical instrument for fracture reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122307230.0U CN216652432U (en) | 2021-09-23 | 2021-09-23 | Surgical instrument for fracture reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216652432U true CN216652432U (en) | 2022-06-03 |
Family
ID=81766441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122307230.0U Expired - Fee Related CN216652432U (en) | 2021-09-23 | 2021-09-23 | Surgical instrument for fracture reduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216652432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116509488A (en) * | 2023-05-09 | 2023-08-01 | 北京大学人民医院 | Linkage type grasping, pressing and hemostasis assembled bionic hand |
-
2021
- 2021-09-23 CN CN202122307230.0U patent/CN216652432U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116509488A (en) * | 2023-05-09 | 2023-08-01 | 北京大学人民医院 | Linkage type grasping, pressing and hemostasis assembled bionic hand |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220603 |