CN209916180U - Kirschner wire positioning puncture assistor - Google Patents
Kirschner wire positioning puncture assistor Download PDFInfo
- Publication number
- CN209916180U CN209916180U CN201920158374.4U CN201920158374U CN209916180U CN 209916180 U CN209916180 U CN 209916180U CN 201920158374 U CN201920158374 U CN 201920158374U CN 209916180 U CN209916180 U CN 209916180U
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- positioning
- hole
- kirschner wire
- guide cylinder
- cylinder
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Abstract
The utility model discloses a kirschner wire positioning puncture assistor, which comprises a positioning frame and a sleeve. The positioning frame is composed of a positioning arm, a guide cylinder and a positioning cylinder, and the guide cylinder and the positioning cylinder are fixed at two ends of the positioning arm. The center of the guide cylinder is provided with a through screw hole, a Kirschner wire positioning hole is arranged in the positioning cylinder, and the Kirschner wire positioning hole is coaxial with the screw hole of the guide cylinder. The sleeve pipe comprises head, body and knob from a left side to a right side, and the ke shi needle passageway that runs through and body coaxial line has been seted up to sleeve pipe central authorities, and the external screw thread on body surface matches with the internal thread of the screw of the guide cylinder of locating rack, and the sleeve pipe suit is in the guide cylinder of locating rack, with guide cylinder threaded connection. The utility model discloses a ke shi needle location puncture assistor's simple structure, the flexible operation is simple and convenient, is applicable to the supplementary puncture that the fracture of any state resets.
Description
Technical Field
The utility model relates to a medical auxiliary instrument, concretely relates to ke shi needle location puncture assistor.
Background
Many fractures need to be punctured by a kirschner wire and then fixed by hollow screws after being reset, the fracture ends of common clinical reset forceps, bone holders and the like are reset and then the angle and the direction of the kirschner wire are repositioned to puncture the bone, if the angle and the direction of the puncture needle cannot be accurately positioned, repeated puncturing is needed, and adverse effects are brought to fracture healing.
Chinese patent document CN 1091527278A (application No. 201810904414.5) discloses a kirschner wire guiding pre-fixing device for orthopedic surgery, comprising: the fixing seat comprises a fixing clamp and a base, one quarter of the lower end of the fixing clamp is connected with the base, three quarters of the fixing clamp are hollowed out to form a slide rail, the slide rail is provided with a slide seat, two sides of the slide seat are provided with extension tables, the extension tables are provided with infrared emission devices, the infrared emission devices are used for emitting infrared rays according to the fixing direction of the Kirschner wire confirmed by a doctor, and the infrared emission devices are connected with the extension tables through first universal joints; the bracket comprises a positioning rod, an adjusting rod and a Kirschner wire fixer, the positioning rod comprises a universal rotator and a positioning clamp, the adjusting rod comprises a transverse rotator, a telescopic device and an annular clamp, the positioning clamp is a fixing clamp connected with the head part of the Kirschner wire fixer, the positioning clamp is flush with the top of the Kirschner wire fixer and is connected with the universal rotator, the annular clamp is a limit clamp connected with the tail part of the Kirschner wire fixer, the adjusting rod is connected with the expansion piece, the expansion piece is connected with the annular clamp, the size of the inner ring of the annular clamp is consistent with the size of the section of the Kirschner wire fixer, the top of the Kirschner wire fixer is provided with an infrared receiving ring which is used for receiving the infrared rays emitted by the infrared emitting device, the infrared receiving ring confirms the needle cylinder orientation and the Kirschner wire driving-in angle according to the infrared rays emitted by the infrared emitting device. Due to the arrangement of the platform and the bracket, the guiding pre-fixing device has limited use flexibility.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a kirschner wire positioning puncture assistor which has simple structure, flexible use and can guide a steel wire.
The technical scheme of the purpose of the utility model is that a kirschner wire location puncture assistor, including locating rack and sleeve pipe.
The positioning frame is composed of a positioning arm, a guide cylinder and a positioning cylinder, and the guide cylinder and the positioning cylinder are fixed at two ends of the positioning arm.
The center of the guide cylinder is provided with a through screw hole, a Kirschner wire positioning hole is arranged in the positioning cylinder, and the Kirschner wire positioning hole is coaxial with the screw hole of the guide cylinder.
The sleeve pipe comprises head, body and knob from a left side to a right side, and the ke shi needle passageway that runs through and body coaxial line has been seted up to sleeve pipe central authorities, and the external screw thread on body surface matches with the internal thread of the screw of the guide cylinder of locating rack, and the sleeve pipe suit is in the guide cylinder of locating rack, with guide cylinder threaded connection.
The positioning arm is C-shaped.
The positioning cylinder is also provided with a wire threading hole which is vertical to the positioning hole of the Kirschner wire.
The Kirschner wire positioning hole is a blind hole, and the threading hole is a through hole; the Kirschner wire positioning hole consists of a first hole section comprising a blind end and a second hole section comprising a needle inlet, and the diameter of the second hole section is larger than that of the first hole section.
The utility model discloses has positive effect:
(1) the utility model discloses a ke shi needle location puncture assistor's simple structure, the flexible operation is simple and convenient, is applicable to the supplementary puncture that the fracture of any state resets.
(2) The auxiliary device for the Kirschner wire positioning hole and the wire threading hole which are vertical to each other are arranged in the positioning cylinder of the positioning frame, and the Kirschner wire with the through hole at the head part is matched, so that the guiding and the threading of the steel wire in the bone channel can be conveniently realized.
Drawings
Fig. 1 is a schematic view of the operating state of the kirschner wire positioning puncture auxiliary device of the present invention.
Fig. 2 is a schematic structural view of the positioning frame.
Fig. 3 is a schematic structural view of the sleeve.
Fig. 4 is a cross-sectional view of the cannula.
Fig. 5 is a structural schematic diagram of the kirschner wire.
Fig. 6 is an enlarged view of the portion I in fig. 5.
FIG. 7 is a schematic view showing the state of the steel wire after piercing.
Fig. 8 is a schematic structural view of the spacer according to embodiment 2.
The reference numbers in the above figures are as follows:
the positioning device comprises a positioning frame 1, a positioning arm 11, a guide cylinder 12, a screw hole 12-1, a positioning cylinder 13, a Kirschner wire positioning hole 13-0, a first hole section 13-1, a second hole section 13-2, a threading hole 13-3 and a positioning surface 13-4;
the sleeve 2, the tube body 21, the knob 22, the end surface 23 and the Kirschner wire channel 24;
the kirschner wire 3, the needle body 31, the through hole 32 and the mark 33.
Detailed Description
(example 1)
Referring to fig. 1, the kirschner wire positioning puncture auxiliary device of the embodiment comprises a positioning frame 1 and a sleeve 2, wherein the sleeve 2 is in threaded connection with the positioning frame 1.
Referring to fig. 2, the positioning frame 1 is composed of a positioning arm 11, a guide cylinder 12 and a positioning cylinder 13. The positioning arm 11 is C-shaped, and the guide cylinder 12 and the positioning cylinder 13 are fixed at two ends of the positioning arm 11. The guide cylinder 12 and the positioning cylinder 13 are both cylindrical and are arranged coaxially.
The center of the guide cylinder 12 is provided with a through screw hole 12-1, and the screw hole 12-1 is coaxial with the guide cylinder 12.
The positioning cylinder 13 is internally provided with a Kirschner wire positioning hole 13-0 and a threading hole 13-3 which are mutually vertical, the Kirschner wire positioning hole 13-0 is a blind hole, and the threading hole 13-3 is a through hole.
The Kirschner wire positioning hole 13-0 is coaxial with the screw hole 12-1 of the guide cylinder 12 and consists of a first hole section 13-1 comprising a blind end and a second hole section 13-2 comprising a needle inlet, and the diameter of the second hole section 13-2 is larger than that of the first hole section 13-1.
The sleeve 2 consists of a head, a tube body 21 and a knob 22 from left to right, and a kirschner wire channel 24 which is coaxial with the tube body 21 and penetrates through the center of the sleeve 2 from left to right, as shown in fig. 3. The external thread on the surface of the pipe body 21 is matched with the internal thread of the screw hole 12-1 of the guide cylinder 12 of the positioning frame 1.
The sleeve 2 is sleeved in the guide cylinder 12 of the positioning frame 1 and is in threaded connection with the guide cylinder 12, and the rotary knob 22 can move so as to adjust the distance between the end surface 23 of the sleeve 2 and the positioning surface 13-4 of the positioning cylinder 13.
When in use, after the bone to be fixed is reset, the bone to be fixed is clamped and fixed between the end surface 23 of the sleeve 2 and the positioning surface 13-4 of the positioning cylinder 13, the Kirschner wire penetrates into the Kirschner wire channel 24 of the sleeve 2, penetrates through the sclerotin and then enters the positioning cylinder 13 of the positioning frame 1, and the positioning perforation of the Kirschner wire is completed.
The kirschner wire positioning puncture assistor of the embodiment is used in cooperation with a kirschner wire with a through hole at the top end, and can complete the guiding and the penetrating and pulling of a steel wire in a bone channel.
Referring to fig. 5 and 6, the head of the needle body 31 of the kirschner wire 3 is provided with a through hole 32, and the tail of the needle body 31 is provided with a mark 33. The mark 33 may be a line or a point drawn on the needle body 31, or may be a notch, which can prompt the doctor to mark 33 at a certain position, and the opening of the through hole 32 coincides with the opening of the threading hole 13-3 of the positioning cylinder 13 in the projection direction, or after the steel wire penetrates through one side of the threading hole 13-3 of the positioning cylinder 13, the steel wire can pass through the through hole 32 of the k-wire 3 and penetrate out from the other side of the threading hole 13-3, thereby completing the threading operation of the steel wire.
After the positioning and perforation of the kirschner wire are completed, the steel wire penetrates through one side of the wire penetrating hole 13-3, penetrates through the through hole 32 of the kirschner wire 3, penetrates out of the other side of the wire penetrating hole 13-3, then the sleeve 2 is withdrawn, the kirschner wire 3 is pulled out from the bone channel, the steel wire retreats along with the withdrawal of the kirschner wire in the pulling process, and the wire penetrating is completed after the withdrawal of the kirschner wire.
(example 2)
The kirschner wire positioning puncture auxiliary device of the embodiment is the same as the kirschner wire positioning puncture auxiliary device of the embodiment 1, except that:
referring to fig. 8, only a kirschner wire positioning hole 13-0 is arranged in a positioning cylinder 13 of the positioning frame 1, the kirschner wire positioning hole 13-0 is coaxial with a screw hole 12-1 of a guide cylinder 12, and the outer diameters of upper and lower hole sections are the same.
(example 3)
The kirschner wire positioning puncture aid of the embodiment is the same as the kirschner wire positioning puncture aid of the embodiment 2, except that: the positioning hole of the Kirschner wire is a through hole.
Claims (5)
1. The utility model provides a ke shi needle location puncture assistor which characterized in that: comprises a positioning frame (1) and a sleeve (2);
the positioning frame (1) consists of a positioning arm (11), a guide cylinder (12) and a positioning cylinder (13), and the guide cylinder (12) and the positioning cylinder (13) are fixed at two ends of the positioning arm (11);
a through screw hole (12-1) is formed in the center of the guide cylinder (12), a Kirschner wire positioning hole (13-0) is formed in the positioning cylinder (13), and the Kirschner wire positioning hole (13-0) is coaxial with the screw hole (12-1) of the guide cylinder (12);
the center of the sleeve (2) is provided with a through kirschner wire channel (24) which is coaxial with the tube body (21), the external thread on the surface of the tube body (21) is matched with the internal thread of the screw hole (12-1) of the guide cylinder (12) of the positioning frame (1), and the sleeve (2) is sleeved in the guide cylinder (12) of the positioning frame (1) and is in threaded connection with the guide cylinder (12).
2. The k-wire positioning puncture aid of claim 1, wherein: the positioning arm (11) is C-shaped.
3. The k-wire positioning puncture aid of claim 1, wherein: the positioning cylinder (13) is also provided with a threading hole (13-3), and the threading hole (13-3) is vertical to the Kirschner wire positioning hole (13-0).
4. The k-wire positioning puncture aid of claim 3, wherein: the Kirschner wire positioning hole (13-0) is a blind hole, and the threading hole (13-3) is a through hole.
5. The k-wire positioning puncture aid of claim 4, wherein: the Kirschner wire positioning hole (13-0) consists of a first hole section (13-1) comprising a blind end and a second hole section (13-2) comprising a needle inlet, and the diameter of the second hole section (13-2) is larger than that of the first hole section (13-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920158374.4U CN209916180U (en) | 2019-01-29 | 2019-01-29 | Kirschner wire positioning puncture assistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920158374.4U CN209916180U (en) | 2019-01-29 | 2019-01-29 | Kirschner wire positioning puncture assistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209916180U true CN209916180U (en) | 2020-01-10 |
Family
ID=69067849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920158374.4U Expired - Fee Related CN209916180U (en) | 2019-01-29 | 2019-01-29 | Kirschner wire positioning puncture assistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209916180U (en) |
-
2019
- 2019-01-29 CN CN201920158374.4U patent/CN209916180U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200110 Termination date: 20210129 |