CN210697746U - Medullary cavity lateral tunnel expanding suit - Google Patents
Medullary cavity lateral tunnel expanding suit Download PDFInfo
- Publication number
- CN210697746U CN210697746U CN201920754042.2U CN201920754042U CN210697746U CN 210697746 U CN210697746 U CN 210697746U CN 201920754042 U CN201920754042 U CN 201920754042U CN 210697746 U CN210697746 U CN 210697746U
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- reaming
- drill
- drill bushing
- reaming drill
- bushing
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Abstract
The utility model discloses a pulp cavity side expands tunnel suit, including reaming drill bit and a plurality of drill bushing, the reaming bores and bores for soft reaming, and the drill bushing includes trompil drill bushing, reaming drill bushing and reaming drill bushing, and above-mentioned drill bushing side all is equipped with the handle, and the reaming bores inserts above-mentioned drill bushing and deep drilling, the utility model discloses a soft reaming of polytype drill bushing cooperation bores, can accurately carry out trompil, reaming and reaming operation, prevents limbs skin soft tissue secondary damage, is favorable to implanting of organizing in the marrow.
Description
Technical Field
The utility model relates to medical instrument technical field especially involves a prevent bone outside skin secondary damage's pulp cavity side and expand tunnel suit.
Background
Because of the increasing frequency of human activities, fracture patients caused by various reasons are increased year by year, at present, external fixation treatment modes such as splint binding and fixation and plaster fixation are generally adopted for limb fractures, and after timely and proper treatment, most patients can recover all or part of functions.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the defects; provides a suit for a medullary cavity side tunnel expanding which can prevent the secondary damage of the skin outside the skeleton.
In order to solve the technical problem, the utility model mainly adopts the following technical proposal:
the utility model discloses a medullary cavity side expands tunnel suit for the implantation of intramedullary device in patient's limbs skeleton, the suit is including reaming drill bit and a plurality of drill bushing, the reaming bores and bores for soft reaming, drill bushing side all is equipped with the handle, and the reaming bores inserts above-mentioned drill bushing and deep drilling, adopts the soft reaming of polytype drill bushing cooperation to bore, can accurately carry out trompil, reaming and reaming operation, prevents limbs skin soft tissue secondary damage, is favorable to the implantation of tissue in the marrow.
Preferably, the drill sleeve comprises a tapping drill sleeve, a reaming drill sleeve and a reaming drill sleeve, the inner diameter of the tapping drill sleeve is matched with the diameter of the reaming drill bit and is used for accommodating the reaming drill bit, the inner hole of the reaming drill sleeve is of a long waist hole structure, the short diameter of the inner hole of the reaming drill sleeve is matched with the diameter of the reaming drill bit, the reaming drill sleeve is of an arc structure, the inner diameter of the reaming drill sleeve is matched with the inner diameter of the reaming drill bit and is used for accommodating the reaming drill bit, an operator can use the tapping drill sleeve to separate limb skin and position holes on limb bones, use the reaming drill sleeve to separate the limb skin and polish and ream the holes, and use the reaming drill sleeve to insert into a medullary cavity to perform reaming operation, so that soft tissue incisions at the positions of the side holes of the bones are small, are separated from the reaming drill, and secondary damage risks are.
Preferably, the outer surface of the reaming drill sleeve is provided with scale marks, so that an operator can observe and control the depth of the reaming drill sleeve in the medullary cavity, and the reaming operation is better expanded.
Preferably, the reaming drill comprises a drill bit, a connecting rod and a drill rod, wherein the connecting rod is formed by spirally weaving a plurality of strands of thin steel wire ropes, and the flexible connecting rod can be bent to a certain degree so as to facilitate the drill bit to smoothly enter and exit the medullary cavity for reaming operation.
Preferably, the connecting rod is provided with an adjustable positioning block, and the drilling depth of the reaming drill on the side face of the limb bone and during reaming can be adjusted through the positioning block, so that the injury of the drilling depth to the limb bone is prevented.
The utility model has the advantages that: the drill sleeves of different types are matched with the soft reaming drill, so that an operator can accurately control the operations of opening, reaming and reaming, the skin soft tissue incision at the opening on the side surface of the bone is small and is separated from the reaming drill, the risk of secondary damage to the skin is reduced, the cortex layer in the medullary cavity is prevented from being damaged, and the implantation of the intramedullary tissue is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1, a reaming drill, 11, a drill bit, 12, a connecting rod, 13, a drill rod, 14, a positioning block, 2, a hole opening drill sleeve, 3, a reaming drill sleeve and 4, the reaming drill sleeve are arranged.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): the side of medullary cavity expands the tunnel suit of this embodiment, is used for the bone marrow stimulation device implantation in the patient's limb skeleton, as shown in figure 1, the suit includes reaming drill 1 and several drill bushings, the reaming drill is soft reaming drill, including bit 11, connecting rod 12 and drilling rod 13, the connecting rod is formed by the spiral weaving of stranded thin wire rope, the drill bushing includes trepanning drill bushing 2, reaming drill bushing 3 and reaming drill bushing 4, trepanning drill bushing, reaming drill bushing and reaming drill bushing side design have handles, the reaming drill can advance deeply and ream along the reaming drill bushing, the bore diameter of the trepanning drill bushing is identical with the diameter of the reaming drill bit and holds the reaming drill bit, the bottom of the trepanning drill bushing is attached to the side of patient's limb skeleton and separates the skin, the reaming drill bit can advance deeply and bore along the trepanning drill bushing, the bore of the reaming drill bushing is long waist hole structure, the bore minor diameter of the reaming drill bushing is identical with the reaming bit diameter, the bottom of the reaming drill sleeve is attached to the side face of a limb bone of a patient and separates the skin of the limb, the reaming drill bit can be deeply inserted and reamed along the reaming drill sleeve, the reaming drill sleeve is of an arc-shaped structure, the inner diameter of the reaming drill sleeve is matched with the reaming drill bit and accommodates the reaming drill bit, the reaming drill sleeve can be inserted into the marrow cavity through the opening, the reaming drill bit can be deeply inserted and reamed along the reaming drill sleeve, and the outer surface of the reaming drill sleeve is designed with scale lines.
When in use, firstly, the skin of the side face of the limb bone of a patient is cut, the trepanning drill bushing is inserted into the skin incision and is attached to the surface of the bone, then the reaming drill bit is inserted into the trepanning drill sleeve and drills along the drill sleeve to complete the trepanning operation of the skeleton, the trepanning drill sleeve is taken down, the reaming drill sleeve is replaced by the reaming drill sleeve and is inserted into the skin incision, then the reaming drill bit is inserted into the reaming drill sleeve and is polished and reamed along the inner hole range of the reaming drill sleeve to enlarge the opening on the side surface of the skeleton, the intramedullary device is conveniently placed, after the reaming operation of the trepanning of the skeleton is completed, taking down the reaming drill sleeve, inserting the arc-shaped reaming drill sleeve into the marrow cavity through the opening, then inserting the reaming drill bit into the reaming drill sleeve and advancing along the reaming drill sleeve to perform reaming operation in the marrow cavity, taking down the reaming drill sleeve to complete the operations of opening, reaming and reaming of the limb skeleton, and finally placing the intramedullary device through the skeleton opening.
In the description of the present invention, the technical terms "upper", "lower", "front", "rear", "left", "right", "longitudinal", "horizontal", "inner", "outer" and the like indicate the direction or the position relationship based on the direction or the position relationship shown in the drawings, and the technical solution of the present invention is only for the convenience of description and understanding, and the above description is not limiting to the present invention, the present invention is not limited to the above description, and the changes, modifications, additions or replacements made by the ordinary skilled in the art within the essential scope of the present invention should be regarded as the protection scope of the present invention.
Claims (5)
1. A medullary cavity side tunnel expanding suit is used for implanting an intramedullary device in limb bones of a patient, and is characterized in that: the suit comprises a reaming drill (1) and a plurality of drill sleeves, the reaming drill is a soft reaming drill, handles are arranged on the side surfaces of the drill sleeves, and the reaming drill is inserted into the drill sleeves and drills deeply.
2. The intramedullary canal lateral tunnel reaming kit of claim 1, wherein: the drill bushing comprises a hole opening drill bushing (2), a reaming drill bushing (3) and a reaming drill bushing (4), wherein the inner diameter of the hole opening drill bushing is identical to the diameter of the reaming drill (1) and is used for accommodating the reaming drill bit, the inner hole of the reaming drill bushing is of a long waist hole structure, the short diameter of the inner hole of the reaming drill bushing is identical to the diameter of the reaming drill bit, the reaming drill bushing is of an arc-shaped structure, and the inner diameter of the reaming drill bushing is identical to the diameter of the reaming drill bit and is used for accommodating the reaming drill bit.
3. The intramedullary canal lateral tunnel reaming kit of claim 2, wherein: the outer surface of the reaming drill sleeve (4) is provided with scale marks.
4. The lateral medullary cavity tunnel expanding kit of claim 1, 2 or 3, wherein: the reaming drill (1) comprises a drill bit (11), a connecting rod (12) and a drill rod (13), wherein the connecting rod is formed by spirally weaving a plurality of strands of thin steel wire ropes.
5. The lateral medullary cavity tunnel expanding suit of claim 4, wherein: an adjustable positioning block (14) is arranged on the connecting rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920754042.2U CN210697746U (en) | 2019-05-23 | 2019-05-23 | Medullary cavity lateral tunnel expanding suit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920754042.2U CN210697746U (en) | 2019-05-23 | 2019-05-23 | Medullary cavity lateral tunnel expanding suit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210697746U true CN210697746U (en) | 2020-06-09 |
Family
ID=70938314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920754042.2U Active CN210697746U (en) | 2019-05-23 | 2019-05-23 | Medullary cavity lateral tunnel expanding suit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210697746U (en) |
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2019
- 2019-05-23 CN CN201920754042.2U patent/CN210697746U/en active Active
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