CN213372332U - Transverse carpal ligament cutter - Google Patents
Transverse carpal ligament cutter Download PDFInfo
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- CN213372332U CN213372332U CN202022109357.7U CN202022109357U CN213372332U CN 213372332 U CN213372332 U CN 213372332U CN 202022109357 U CN202022109357 U CN 202022109357U CN 213372332 U CN213372332 U CN 213372332U
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- cutter
- carpal ligament
- transverse carpal
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- cutting
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Abstract
The utility model provides a transverse carpal ligament cutterbar relates to medical instrument technical field, include: an upper fixture, a lower fixture and a cutting member; through seting up the incision about one centimetre in wrist striae department, go up mounting and lower mounting and stretch into human palm along the incision, utilize down the mounting with median nerve pressure in the below, utilize the mounting to stretch into between transverse carpal ligament and subcutaneous fat, and then establish transverse carpal ligament clamp between last mounting and lower mounting, the back is inerrably checked, utilize cutting member to cut transverse carpal ligament, reach safe release carpal tunnel, decompression art is successful, it is big to have alleviated the cutter operation incision that uses in the traditional carpal tunnel syndrome decompression art that exists among the prior art, cause the slow technical problem of patient's postoperative recovery, realized reducing the incision size of carpal tunnel syndrome decompression art to the palm, it is littleer to patient's wound, resume more quick technological effect.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a transverse carpal ligament cutterbar is related to.
Background
Carpal tunnel syndrome is a common clinical hand disease, and the median nerve in the carpal tunnel is squeezed due to factors such as the narrowing of the carpal tunnel, so that the thumb, the index finger and the middle finger are numb and swollen, painful and restricted in movement. A large arc-shaped incision is made at the common metacarpal-carpal joint in the operation, so that the transverse carpal ligament is fully exposed and cut off and loosened. This procedure is called "carpal tunnel syndrome decompression".
However, the incision of the traditional cutter used in the decompression operation of carpal tunnel syndrome is large, which causes slow recovery of the patient after the operation, and the large scar at the bottom of the palm of the patient is uncomfortable for a long time after the operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transverse carpal ligament cutterbar to it is big to have alleviated the cutterbar operation incision that uses in the traditional carpal tunnel syndrome decompression art that exists among the prior art, causes the slow technical problem of patient's postoperative recovery.
In a first aspect, the present invention provides a transverse carpal ligament cutter, including: an upper fixture, a lower fixture and a cutting member;
the upper fixing piece is connected with the lower fixing piece, a cutting groove is formed between the upper fixing piece and the lower fixing piece, the transverse carpal ligament can be clamped in the cutting groove by the upper fixing piece and the lower fixing piece, the cutting component is arranged in the cutting groove, and the cutting component is configured to be capable of cutting the transverse carpal ligament in the cutting groove.
In an alternative embodiment of the method of the present invention,
the transverse carpal ligament cutter further comprises a handle body;
the upper fixing piece and the lower fixing piece are connected with the handle main body, and the upper fixing piece, the lower fixing piece and the handle main body are surrounded to form the cutting groove.
In an alternative embodiment of the method of the present invention,
the handle main body is provided with a cutter mounting groove;
the cutting member extends into the cutter mounting groove and is connected with the handle main body, and the cutter mounting groove is communicated with the cutting groove.
In an alternative embodiment of the method of the present invention,
the upper fixing piece is provided with an installation through hole, and the installation through hole is communicated with the cutter installation groove.
In an alternative embodiment of the method of the present invention,
the transverse carpal ligament cutter further comprises a connecting member;
the connecting members are connected with the handle body and the cutting member, respectively, and are configured to be able to fix the cutting member in the cutter mounting groove.
In an alternative embodiment of the method of the present invention,
the handle is characterized in that a connecting section is arranged on the handle main body, a connecting through hole is formed in the connecting section, and the connecting member can penetrate through the connecting through hole and stretch into the cutting member located in the cutter mounting groove.
In an alternative embodiment of the method of the present invention,
the handle is characterized in that a holding section is arranged on the handle main body, and a sliding friction part used for improving the surface friction force is arranged on the holding section.
In an alternative embodiment of the method of the present invention,
the end parts of the upper fixing part and the lower fixing part are both provided with arc edges.
In an alternative embodiment of the method of the present invention,
the length dimension of the upper fixing piece is smaller than that of the lower fixing piece.
In an alternative embodiment of the method of the present invention,
the width dimension of going up the mounting is 4 ~ 8 mm.
The utility model provides a transverse carpal ligament cutterbar, include: an upper fixture, a lower fixture and a cutting member; through seting up the incision about one centimetre in wrist striae department, go up mounting and lower mounting and stretch into human palm along the incision, utilize down the mounting with median nerve pressure in the below, utilize the mounting to stretch into between transverse carpal ligament and subcutaneous fat, and then establish transverse carpal ligament clamp between last mounting and lower mounting, the back is inerrably checked, utilize cutting member to cut transverse carpal ligament, reach safe release carpal tunnel, decompression art is successful, it is big to have alleviated the cutter operation incision that uses in the traditional carpal tunnel syndrome decompression art that exists among the prior art, cause the slow technical problem of patient's postoperative recovery, realized reducing the incision size of carpal tunnel syndrome decompression art to the palm, it is littleer to patient's wound, resume more quick technological effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a palm incision for carpal tunnel syndrome decompression in the prior art;
fig. 2 is a schematic view of a palm incision of a transverse carpal ligament cutter according to an embodiment of the present invention;
fig. 3 is a schematic view of the overall structure of a transverse carpal ligament cutter according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a transverse carpal ligament cutter according to an embodiment of the present invention at a first viewing angle.
Icon: 100-upper fixing piece; 110-mounting through holes; 120-arc edge; 200-lower fixing member; 300-a cutting member; 400-cutting the groove; 500-a handle body; 510-a connecting segment; 511-connecting vias; 520-a holding section; 521-sliding friction part; 600-a connecting member; 700-palm cut; 800-wrist transverse incision.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Figure 1 is a schematic view of a palm incision for carpal tunnel syndrome decompression in the prior art.
As shown in fig. 2 and 3, the transverse carpal ligament cutter provided in the present embodiment includes: an upper fixture 100, a lower fixture 200, and a cutting member 300; the upper fixing member 100 and the lower fixing member 200 are connected, a cutting groove 400 is formed between the upper fixing member 100 and the lower fixing member 200, the transverse carpal ligament can be clamped in the cutting groove 400 by the upper fixing member 100 and the lower fixing member 200, the cutting member 300 is arranged in the cutting groove 400, and the cutting member 300 is configured to cut the transverse carpal ligament in the cutting groove 400.
Specifically, the tail ends of the upper fixing member 100 and the lower fixing member 200 are connected to each other, a cutting groove 400 is formed between the upper fixing member 100 and the lower fixing member 200 which are arranged in parallel, the cutting member 300 is clamped in the cutting groove 400 between the upper fixing member 100 and the lower fixing member 200, and the cutting member 300 is fixed in the cutting groove 400.
The transverse carpal ligament cutter is used as follows: on the palmar side, the mid-point of the wrist cross-grain and the mid-palm along the cross-grain, a small horizontal incision of about 1cm is made, as shown in fig. 2, and defined herein as a wrist cross-cut 800 and a palm mid-cut 700. The median nerve is found from the transverse carpal incision 800 and pressed on the side of the lower fixture 200 away from the upper fixture 100, and is slowly inserted into the lower fixture 200 along the axial direction of the carpal tunnel until the palm incision 700 is formed at the midpoint of the distal edge of the transverse carpal ligament, at which time, the presence or absence of the median nerve and flexor tendon wound on the lower duckbill guide plate can be observed, and if the presence or absence of the median nerve and flexor tendon is not detected, the nerve and tendon tissue can be ensured not to be cut, and the lower duckbill guide plate is safe. The transverse carpal ligament cutter is pushed forward continuously, the upper fixing piece 100 enters the position between the transverse carpal ligament and the subcutaneous fat from the transverse carpal incision 800 and penetrates through the palm incision 700 in the axial direction, meanwhile, the transverse carpal ligament is placed in the cutting groove 400 between the upper fixing piece 100 and the lower fixing piece 200, the forehead cutting component 300 assembled in the cutting groove 400 also reaches the position of the transverse carpal incision 800, after the examination is correct, the transverse carpal ligament can be cut off by pushing continuously, the effect of safely loosening the carpal tunnel is achieved, and the decompression operation is successful.
The transverse carpal ligament cutter provided in this embodiment comprises: an upper fixture 100, a lower fixture 200, and a cutting member 300; the upper fixing member 100 and the lower fixing member 200 are connected, a cutting groove 400 is formed between the upper fixing member 100 and the lower fixing member 200, the transverse carpal ligament can be clamped in the cutting groove 400 by the upper fixing member 100 and the lower fixing member 200, the cutting member 300 is arranged in the cutting groove 400, and the cutting member 300 is configured to cut the transverse carpal ligament in the cutting groove 400. Through seting up the incision of one centimetre or so in wrist striae department, go up mounting 100 and lower mounting 200 and stretch into human palm along the incision, utilize mounting 200 down with median nerve pressure in the below, utilize mounting 100 to stretch into between transverse carpal ligament and subcutaneous fat, and then establish transverse carpal ligament clamp between mounting 100 and lower mounting 200, the back is inerrably checked, utilize cutting member 300 to cut transverse carpal ligament, reach safe release carpal tunnel, decompression success, it is big to have alleviated the cutter operation incision that uses in the traditional carpal tunnel syndrome decompression art that exists among the prior art, cause the slow technical problem of patient's postoperative recovery, realized reducing the incision size of carpal tunnel syndrome decompression art to the palm, it is littleer to patient's wound, resume faster technological effect.
On the basis of the above embodiment, in an alternative embodiment, the transverse carpal ligament cutter provided by the present embodiment further comprises a handle body 500; the upper fixing member 100 and the lower fixing member 200 are connected to the handle body 500, and the upper fixing member 100, the lower fixing member 200 and the handle body 500 are surrounded to form a cutting groove 400.
Specifically, one end of the lower fixing member 200 of the upper fixing member 100 is an insertion end, and the end far away from the insertion end is connected to the handle body, and the upper fixing member 100 and the lower fixing member 200 are arranged in parallel and surround the handle body 500 to form the cutting groove 400.
In an alternative embodiment, a tool mounting slot is provided on the handle body 500; the cutting member 300 is coupled with the handle body 500 to be inserted into the cutter mounting groove, which is communicated with the cutting groove 400.
Specifically, in the case that the handle body 500 is provided with the cutter mounting groove, the cutting member 300 can be mounted in the cutter mounting groove, and after the cutting member 300 is mounted, the blade of the cutting member 300 faces the cutting groove 400, so that the transverse carpal ligament located in the cutting groove 400 can be cut.
In an alternative embodiment, the upper fixture 100 is provided with a mounting through-hole 110, and the mounting through-hole 110 communicates with the tool-mounting groove.
Specifically, the upper fixture 100 is provided with a mounting through-hole 110, and when the cutting member 300 is mounted, the cutting member 300 is inserted through the mounting through-hole 110 such that the cutting member 300 is positioned in the cutter-mounting groove, and the cutting member 300 is mounted in the cutter-mounting groove.
In an alternative embodiment, the transverse carpal ligament cutter further comprises a connecting member 600; the connecting member 600 is connected to the handle body and the cutting member 300, respectively, and the connecting member 600 is configured to be able to fix the cutting member 300 in the cutter mounting groove.
Specifically, the connecting member 600 is specifically configured as a connecting bolt, a fixing hole is formed in the cutting member 300, the connecting member 600 penetrates through the handle body and extends into the fixing hole in the cutting member 300 located in the cutting groove 400, and the cutting member 300 is fixed in the cutter mounting groove by using the connecting member 600.
In addition, the specific number of the connecting members 600 is determined according to actual conditions, so that the cutting member 300 is ensured not to shake when cutting the transverse carpal ligament, and the connecting members 600 are arranged in one-to-one correspondence with the number of the fixing holes.
In an alternative embodiment, the handle body 500 is provided with a connection section 510, the connection section 510 is provided with a connection through hole 511, and the connection member 600 can be inserted into the cutting member 300 located in the cutter-mounting groove through the connection through hole 511.
Specifically, the connecting section 510 of the handle body 500 is provided with a connecting through hole 511, the connecting member 600 passes through the connecting through hole 511 and extends into the fixing hole of the cutting member 300 in the cutting groove 400, and the connecting through hole 511, the connecting member 600 and the fixing hole are arranged in a one-to-one correspondence manner.
In the transverse carpal ligament cutter provided in this embodiment, the connecting member 600 is provided, the connecting through hole 511 is correspondingly formed in the connecting section 510 of the handle body 500, and the cutting member 300 is fixed in the cutting groove 400 by the cooperation of the connecting member 600, the connecting through hole 511 and the fixing hole of the cutting member 300.
On the basis of the above embodiment, as shown in fig. 4, wherein the first viewing angle is an elevation view of the grip section 520, in an alternative embodiment, the present embodiment provides the grip section 520 on the handle body 500 of the transverse carpal ligament cutter, and the grip section 520 is provided with the sliding friction part 521 for improving the surface friction force.
Specifically, set up sliding friction portion 521 on the section of gripping 520 of handle main part 500, sliding friction portion 521 specifically is concave-convex structure, and the increase grips the surperficial frictional force of section 520, makes things convenient for medical personnel to utilize the section of gripping 520 to promote the removal of going up mounting 100 and lower mounting 200, avoids medical personnel's hand smooth.
In an alternative embodiment, the ends of the upper fixture 100 and the lower fixture 200 are each provided with a circular arc edge 120.
Specifically, the arc edge 120 is arranged at the end of the upper fixing member and the lower fixing member 200, so that the damage of the sharp end of the upper fixing member 100 and the lower fixing member 200 to the nerve in the advancing process is avoided.
In an alternative embodiment, the length dimension of the upper fixture 100 is smaller than that of the lower fixture 200.
Specifically, the length of the upper fixing member 100 is smaller than that of the lower fixing member 200, the median nerve of the lower fixing member 200 is separated from the transverse carpal ligament, the separation is performed, then the forward pushing is performed, and the fat is separated from the transverse carpal ligament by the upper fixing member 100, so that the use of medical care personnel is facilitated.
In an alternative embodiment, the width of the upper fixture 100 is 4-8 mm.
Specifically, the width of the upper fixing member 100 and the lower fixing member 200 ranges from 4 mm to 8mm, and preferably, the width of the upper fixing member 100 and the lower fixing member 200 is set to 6 mm.
The transverse carpal ligament cutter provided by the embodiment avoids damage to nerves by arranging the ends of the upper fixing piece 100 and the lower fixing piece 200 as the arc edges 120, and improves the operation safety.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should 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.
Claims (10)
1. A transverse carpal ligament cutter, comprising: an upper fixture (100), a lower fixture (200), and a cutting member (300);
the upper fixing piece (100) is connected with the lower fixing piece (200), a cutting groove (400) is formed between the upper fixing piece (100) and the lower fixing piece (200), the transverse carpal ligament can be clamped in the cutting groove (400) by the upper fixing piece (100) and the lower fixing piece (200), the cutting member (300) is arranged in the cutting groove (400), and the cutting member (300) is configured to be capable of cutting the transverse carpal ligament in the cutting groove (400).
2. The transverse carpal ligament cutter as in claim 1,
the transverse carpal ligament cutter further comprises a handle body (500);
go up mounting (100) with lower mounting (200) all with handle main part (500) are connected, go up mounting (100) lower mounting (200) with handle main part (500) enclose establish and form cutting groove (400).
3. The transverse carpal ligament cutter as in claim 2,
a cutter mounting groove is formed in the handle main body (500);
the cutting member (300) extends into the cutter mounting groove to be connected with the handle body (500), and the cutter mounting groove is communicated with the cutting groove (400).
4. The transverse carpal ligament cutter as in claim 3,
the upper fixing piece (100) is provided with an installation through hole (110), and the installation through hole (110) is communicated with the cutter installation groove.
5. The transverse carpal ligament cutter as in claim 3,
the transverse carpal ligament cutter further comprises a connecting member (600);
the connecting member (600) is connected with the handle body (500) and the cutting member (300), respectively, and the connecting member (600) is configured to be able to fix the cutting member (300) in the cutter mounting groove.
6. The transverse carpal ligament cutter as in claim 5,
the handle is characterized in that a connecting section (510) is arranged on the handle main body (500), a connecting through hole (511) is arranged on the connecting section (510), and the connecting member (600) can penetrate through the connecting through hole (511) and extend into the cutting member (300) positioned in the cutter mounting groove.
7. The transverse carpal ligament cutter as in claim 2,
the handle body (500) is provided with a holding section (520), and the holding section (520) is provided with a sliding friction part (521) for improving the surface friction force.
8. The transverse carpal ligament cutter as in claim 1,
the end parts of the upper fixing piece (100) and the lower fixing piece (200) are both provided with arc edges (120).
9. The transverse carpal ligament cutter as in claim 1,
the length dimension of the upper fixing member (100) is smaller than that of the lower fixing member (200).
10. The transverse carpal ligament cutter as in claim 1,
the width dimension of the upper fixing piece (100) is 4-8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022109357.7U CN213372332U (en) | 2020-09-23 | 2020-09-23 | Transverse carpal ligament cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022109357.7U CN213372332U (en) | 2020-09-23 | 2020-09-23 | Transverse carpal ligament cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213372332U true CN213372332U (en) | 2021-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022109357.7U Active CN213372332U (en) | 2020-09-23 | 2020-09-23 | Transverse carpal ligament cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213372332U (en) |
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2020
- 2020-09-23 CN CN202022109357.7U patent/CN213372332U/en active Active
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