CN213047077U - A slide positioning formula drag hook for hepatobiliary surgery operation - Google Patents
A slide positioning formula drag hook for hepatobiliary surgery operation Download PDFInfo
- Publication number
- CN213047077U CN213047077U CN202021243679.4U CN202021243679U CN213047077U CN 213047077 U CN213047077 U CN 213047077U CN 202021243679 U CN202021243679 U CN 202021243679U CN 213047077 U CN213047077 U CN 213047077U
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- Prior art keywords
- positioning
- groove
- sliding
- hepatobiliary surgery
- piece
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- 238000001356 surgical procedure Methods 0.000 title claims abstract description 23
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 239000007787 solid Substances 0.000 description 4
- 210000000232 gallbladder Anatomy 0.000 description 3
- 210000004185 liver Anatomy 0.000 description 3
- 210000000038 chest Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000011090 solid board Substances 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
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Abstract
The utility model discloses a sliding positioning type drag hook for hepatobiliary surgery, which belongs to the technical field of medical instruments and comprises a fixed plate; the sliding chute is arranged on the surface of the fixed plate; a plurality of positioning grooves are formed in the two inner walls of the sliding groove; the sliding base is arranged in the sliding groove; the guide grooves are respectively formed in the two opposite side walls of the sliding base; the central axis of the guide groove can be superposed with the central axis of the positioning groove; the number of the positioning pieces is two, and the two positioning pieces are respectively inserted into the corresponding guide grooves; the number of the handles is two, and the two handles are respectively fixed on the surfaces of the corresponding positioning pieces; the two pressure springs are respectively sleeved on the corresponding positioning pieces and are positioned between the handle and the inlet of the guide groove; the utility model discloses simple structure, convenient to use can realize the function of slip and location, makes things convenient for among the hepatobiliary surgery to carry out the adjustment of drag hook according to actual need.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to slide positioning formula drag hook for hepatobiliary surgery.
Background
Because the liver and gallbladder are in the dense area of the human thorax, when the liver and gallbladder surgery is carried out, organs around the focus position need to be pulled open by a liver and gallbladder draw hook so as to facilitate the surgery on the focus position. At present, medical staff are required to hold the drag hook to pull the viscera open, and the operation is inconvenient; in the prior art, some devices for fixing the draw hook exist, but the draw hook is generally fixed at one position and is inconvenient to adjust at any time; therefore, it is necessary to design a retractor which can be conveniently adjusted according to the operation requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a slide positioning type drag hook for hepatobiliary surgery, which solves the above problems.
The utility model adopts the technical scheme that a slide positioning type drag hook for hepatobiliary surgery, include:
a fixing plate;
the sliding groove is arranged on the surface of the fixed plate and is of a cavity structure with an open top, and a plurality of positioning grooves are correspondingly formed in two inner walls of the sliding groove along the length direction;
the sliding base is slidably arranged in the sliding groove, positioning pieces are respectively arranged on two transverse sides of the sliding base through elastic pieces, and the positioning pieces can be elastically clamped with one of the positioning grooves on the corresponding side;
the draw hook is arranged on the sliding base;
and the handle is arranged on the positioning piece and used for applying force to the elastic piece to separate the positioning piece from the positioning groove.
Preferably, guide grooves are respectively formed in the two transverse sides of the sliding base along the same axis, and a notch of each guide groove is provided with a first limiting structure;
one end of the positioning piece is provided with a second limiting structure which is positioned in the guide groove and is abutted against the first limiting structure through the second limiting structure so as to prevent the positioning piece from being separated; the other end of the positioning groove extends to the outside of the guide groove and can be clamped with the positioning groove;
the elastic piece is a pressure spring, and the pressure spring is sleeved on the positioning piece and is positioned between the handle and the notch of the guide groove.
Preferably, when one end of the positioning piece, which is located outside the guide groove, is inserted into the positioning groove, the distance between the other end of the positioning piece and the deepest part of the guide groove is greater than the depth of the positioning groove and smaller than the depth of the guide groove.
Preferably, the free length of the pressure spring is greater than the length of the positioning piece.
Preferably, the outer diameter of the pressure spring is larger than the inner diameter of the notch of the guide groove.
Preferably, the surface of the fixing plate is provided with a positioning line at each corresponding position of the positioning groove, the two handles are fixedly connected with a marking piece respectively, and the marking piece extends towards the depth direction of the positioning groove.
Preferably, the bottom of the sliding groove is provided with a roller groove along the length direction, the bottom surface of the sliding base is provided with a roller, and the roller rolls in the roller groove.
Preferably, one side of the bottom surface of the fixing plate is fixedly connected with a first connecting plate, the bottom of the first connecting plate is fixedly connected with a second connecting plate, the second connecting plate is parallel to the fixing plate, the second connecting plate is provided with a through hole, and the through hole is in threaded connection with a screw rod.
Preferably, sliding base fixed surface is connected with the telescopic link, telescopic link top threaded connection has the drag hook.
Preferably, the telescopic rod comprises a fixing tube and a lifting rod, the fixing tube is a hollow tube and is fixed on the surface of the sliding base, and the bottom of the lifting rod is sleeved in the fixing tube and is locked by a locking piece.
The utility model has the advantages that:
the utility model is provided with a fixed plate, a chute is arranged on the fixed plate, a positioning groove is arranged on the inner wall of the chute, a sliding base is arranged in the chute, two side walls of the sliding base are provided with guide grooves, positioning pieces are inserted in the guide grooves, the sliding base can slide in the chute, when sliding, two handles are held and force is applied to the direction far away from the positioning groove, the end part of the positioning piece is pulled out from the positioning groove, and the sliding base can slide in the chute; when the positioning piece slides to a proper position and needs to be fixed, the two handles are loosened by hands, the handles are pushed by the resilience force of the pressure spring and the positioning piece is driven to be inserted into the positioning groove, and the fixing is realized; the utility model discloses simple structure, convenient to use can realize the function of slip and location, makes things convenient for among the hepatobiliary surgery to carry out the adjustment of drag hook according to actual need.
Drawings
FIG. 1 is a schematic structural view of the slide positioning type retractor for hepatobiliary surgery provided in the present invention;
FIG. 2 is a cross-sectional view of the solid plate of FIG. 1;
FIG. 3 is a schematic view of the positioning grooves in FIG. 2;
FIG. 4 is a schematic view showing a connection relationship between the solid plate and the slide base in FIG. 1;
FIG. 5 is a schematic view of the positioning member of FIG. 4 inserted into the positioning slot;
fig. 6 is a top view of the solid plate of fig. 2.
Description of reference numerals:
1. the device comprises a solid plate, 11, a sliding groove, 111, a positioning groove, 112, a roller groove, 113, a positioning line, 2, a sliding base, 21, a guide groove, 211, a first limiting structure, 22, a positioning piece, 221, a second limiting structure, 23, a handle, 231, a marking piece, 24, a pressure spring, 25, a roller, 3, a telescopic rod, 31, a fixing pipe, 32, a lifting rod, 33, a locking piece, 4, a draw hook, 5, a first connecting plate, 6, a second connecting plate, 7 and a screw rod.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
A sliding positioning type retractor for hepatobiliary surgery, as shown in figures 1-6, comprises:
a fixing plate 1;
the sliding chute 11 is arranged on the surface of the fixed plate 1 and is of a cavity structure with an open top; a plurality of positioning grooves 111 are correspondingly formed in two inner walls of the sliding chute 11 along the length direction;
the sliding base 2 is arranged in the sliding chute 11 and can slide back and forth along the length direction of the sliding chute 11, the draw hook 4 is fixed on the sliding base 2, the draw hook 4 can slide along the sliding chute 11, and the position can be adjusted as required;
the number of the guide grooves 21 is two, the guide grooves are respectively arranged on two side walls of the sliding base 2 opposite to the positioning groove 111 and extend towards the inside of the sliding base 2, and a first limiting structure 211 is arranged on a notch of each guide groove 21;
the number of the positioning pieces 22 is two, one end of each positioning piece 22 is provided with a second limiting structure 221 which is positioned in the guide groove 21 and is abutted against the first limiting structure 211 and the second limiting structure 221 to prevent the positioning piece 22 from being separated; the other end extends to the outside of the guide groove 21 and can be clamped with the positioning groove 111; when the sliding base 2 slides to a proper position, one end of the positioning element 22 is inserted into the positioning groove 111, so that the sliding base 2 is fixed;
two handles 23 fixed on the corresponding positioning members 22 respectively; force is applied to the handle 23 to drive the positioning member 22 to move, so as to control the end of the positioning member 22 to be inserted into the positioning slot 111 or pulled out from the positioning slot 111;
the two pressure springs 24 are respectively sleeved on the corresponding positioning pieces 22 and are positioned between the handle 23 and the notch of the guide groove 21; the outer diameter of the pressure spring 24 is larger than the inner diameter of the opening of the guide groove 21, so that the pressure spring 24 is located between the handle 23 and the inlet of the guide groove 21 and cannot enter the guide groove 21, the free length of the pressure spring 24 is larger than the length of the positioning piece 22, the handle 23 is subjected to the thrust action of the pressure spring 24, and the positioning piece 22 is positioned at one end outside the guide groove 21 and is fixed in the positioning groove 111.
When the sliding base 2 is used, the sliding base 2 can slide in the sliding groove 11, when the sliding base slides, the two handles 23 are held by hands, and force is applied in the direction away from the positioning groove 111, the end part of the positioning piece 22 is pulled out from the positioning groove 111, and the sliding base 2 can slide in the sliding groove 11; slide when needing to fix to suitable position, two handles 23 are loosened to the hand, and the resilience force of pressure spring 24 promotes handle 23 and drives setting element 22 and insert in constant head tank 111 to realize fixedly, fix the operation drag hook on sliding bottom 2, can realize the function of sliding and location, carry out the adjustment of drag hook according to actual need in making things convenient for the hepatobiliary surgery.
In order to enable one end of the positioning element 22 to be pulled out of the positioning groove 111 so that the sliding base 2 can slide along the sliding groove 11, when one end of the positioning element 22 located outside the guide groove 21 is inserted into the positioning groove 111, the distance between the other end of the positioning element 22 and the deepest part of the guide groove 21 is greater than the depth of the positioning groove 111 and smaller than the depth of the guide groove 21, so that one end of the positioning element 22 located in the guide groove 21 is prevented from being pulled out.
In order to insert locating element 22 in the constant head tank 111 that corresponds accurately, fixed plate 1 surface is every constant head tank 111 corresponds the position and is equipped with location line 113 respectively, two fixedly connected with marking piece 231 respectively on the handle 23, marking piece 231 to the extension of constant head tank 111 degree of depth direction, after sliding base 2 to suitable operation position, marking piece 231 and the coincidence of the location line 113 that corresponds, at this moment, the hand is loosened handle 23, and handle 23 drives locating element 22 and inserts in constant head tank 111 under the effect of the resilience force of pressure spring 24, realizes sliding base 2's fixed.
In order to make the sliding of the sliding base 2 more labor-saving, a roller groove 112 is formed at the bottom of the sliding groove 11 along the length direction, a roller 25 is installed at the bottom surface of the sliding base 2, and the roller 25 rolls in the roller groove 112.
In order to fix solid board 1 on the operating table stably and conveniently, the first connecting plate 5 of one side fixedly connected with of 1 bottom surface of fixed plate, the fixedly connected with second connecting plate 6 in 5 bottoms of first connecting plate, second connecting plate 6 is parallel with fixed plate 1, just the through-hole has been seted up on the second connecting plate 6, threaded connection has screw rod 7 on the through-hole, places fixed plate 1 on the plate body surface that needs to be fixed, inserts the through-hole with screw rod 7 to screw, make its top and above-mentioned plate body bottom surface butt, can fix fixed plate 1 on the operating table.
In order to adjust the height of drag hook, 2 fixed surface of sliding bottom are connected with telescopic link 3, telescopic link 3 includes fixed pipe 31, lifter 32 and locking piece 33, fixed pipe 31 is the hollow tube, and is fixed in 2 surfaces of sliding bottom, lifter 32 bottom cup joints in fixed pipe 31 and locks through locking piece 33, 3 top threaded connection of telescopic link has drag hook 4, can adjust the height and the angle of drag hook as required.
The above disclosure is only for the specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes that can be considered by those skilled in the art should fall into the protection scope of the present invention.
Claims (10)
1. A slide locating type drag hook for hepatobiliary surgery is characterized by comprising:
a fixed plate (1);
the sliding chute (11) is arranged on the surface of the fixing plate (1) and is of a cavity structure with an open top, and a plurality of positioning grooves (111) are correspondingly formed in two inner walls of the sliding chute (11) along the length direction;
the sliding base (2) is slidably arranged in the sliding groove (11), positioning pieces (22) are respectively installed on two transverse sides of the sliding base (2) through elastic pieces, and the positioning pieces (22) can be elastically clamped with one positioning groove (111) on the corresponding side;
the draw hook (4) is arranged on the sliding base (2);
and the handle (23) is arranged on the positioning piece (22) and used for applying force to the elastic piece to separate the positioning piece (22) from the positioning groove (111).
2. The slide locating type retractor for hepatobiliary surgery according to claim 1, wherein the slide base (2) has guide grooves (21) respectively formed on two lateral sides along the same axis, and the notch of each guide groove (21) has a first limiting structure (211);
one end of the positioning piece (22) is provided with a second limiting structure (221), the second limiting structure is positioned in the guide groove (21), and the first limiting structure (211) and the second limiting structure (221) are abutted to prevent the positioning piece (22) from being separated; the other end of the positioning groove extends to the outside of the guide groove (21) and can be clamped with the positioning groove (111);
the elastic piece is a pressure spring (24), the pressure spring (24) is sleeved on the positioning piece (22) and is located between the handle (23) and the notch of the guide groove (21).
3. The slide positioning type retractor for hepatobiliary surgery according to claim 1, wherein when one end of the positioning element (22) located outside the guide groove (21) is inserted into the positioning groove (111), the distance between the other end of the positioning element (22) and the deepest part of the guide groove (21) is greater than the depth of the positioning groove (111) and less than the depth of the guide groove (21).
4. The slide positioning retractor for hepatobiliary surgery according to claim 2, wherein the free length of the compression spring (24) is greater than the length of the positioning element (22).
5. The slide positioning retractor for hepatobiliary surgery according to claim 2, wherein the external diameter of the compression spring (24) is greater than the internal diameter of the opening of the guide groove (21).
6. The sliding positioning type retractor for hepatobiliary surgery according to claim 1, wherein a positioning line (113) is disposed on a surface of the fixing plate (1) at a position corresponding to each positioning groove (111), and a calibration piece (231) is fixedly connected to each of the two handles (23), and the calibration piece (231) extends in a depth direction of the positioning groove (111).
7. The slide locating retractor for hepatobiliary surgery according to claim 1, wherein a roller groove (112) is formed at the bottom of the sliding slot (11) along the length direction, a roller (25) is installed on the bottom surface of the sliding base (2), and the roller (25) rolls in the roller groove (112).
8. The slide locating retractor for hepatobiliary surgery according to claim 1, wherein a first connecting plate (5) is fixedly connected to one side of the bottom surface of the fixing plate (1), a second connecting plate (6) is fixedly connected to the bottom of the first connecting plate (5), the second connecting plate (6) is parallel to the fixing plate (1), and a through hole is formed in the second connecting plate (6), and a screw (7) is threadedly connected to the through hole.
9. The sliding positioning type retractor for hepatobiliary surgery according to claim 1, wherein the sliding base (2) is fixedly connected with a telescopic rod (3) on the surface, and the top of the telescopic rod (3) is connected with the retractor (4) in a threaded manner.
10. The slide locating retractor for hepatobiliary surgery according to claim 9, wherein the telescopic rod (3) comprises a fixed tube (31), a lifting rod (32) and a locking piece (33), the fixed tube (31) is a hollow tube and is fixed on the surface of the sliding base (2), and the bottom of the lifting rod (32) is sleeved in the fixed tube (31) and is locked by the locking piece (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243679.4U CN213047077U (en) | 2020-06-30 | 2020-06-30 | A slide positioning formula drag hook for hepatobiliary surgery operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243679.4U CN213047077U (en) | 2020-06-30 | 2020-06-30 | A slide positioning formula drag hook for hepatobiliary surgery operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213047077U true CN213047077U (en) | 2021-04-27 |
Family
ID=75569166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021243679.4U Expired - Fee Related CN213047077U (en) | 2020-06-30 | 2020-06-30 | A slide positioning formula drag hook for hepatobiliary surgery operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213047077U (en) |
-
2020
- 2020-06-30 CN CN202021243679.4U patent/CN213047077U/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 |
Granted publication date: 20210427 |