CN112401980A - Medical hemostatic forceps - Google Patents
Medical hemostatic forceps Download PDFInfo
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- CN112401980A CN112401980A CN202011309945.3A CN202011309945A CN112401980A CN 112401980 A CN112401980 A CN 112401980A CN 202011309945 A CN202011309945 A CN 202011309945A CN 112401980 A CN112401980 A CN 112401980A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
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- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
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- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Reproductive Health (AREA)
- Vascular Medicine (AREA)
- Ophthalmology & Optometry (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the technical field of medical instruments. The medical hemostatic forceps comprise two movable arms, the middle parts of the two movable arms are hinged, the two movable arms are respectively provided with a holding block, one end of one movable arm, which is far away from the holding block, is provided with a plane clamping block, and one end of the other movable arm, which is far away from the holding block, is provided with a tooth surface clamping unit; the adjusting unit is used for adjusting the contact surface of the tooth surface clamping unit to be a plane. The scheme mainly solves the problem that the carried dentate hemostatic forceps have limitation in use because different positions of the body of a patient need to use the hemostatic forceps with different contact surfaces in the current outdoor treatment.
Description
Technical Field
The invention relates to the technical field of medical instruments.
Background
When a patient is in bleeding, after the hemostatic is taken, the hemostatic clamp clamps the aorta so as not to allow blood to flow out. The hemostatic forceps have the same principle as the clamps, but need to be sterilized first. The hemostatic forceps are of various types, such as toothed forceps, toothless forceps and the like, and different types of hemostatic forceps are selected according to different operation parts.
At present, in outdoor treatment, medical staff carry fewer instruments, wherein the hemostatic forceps also carry the instruments, and only the tooth-shaped hemostatic forceps are usually carried; in the actual operation process, because the different positions of patient's health need use the hemostatic forceps of different contact surfaces, the use of the dentate hemostatic forceps of carrying has the limitation, can cause the injury to patient's health if select directly to use dentate hemostatic forceps.
Disclosure of Invention
The invention aims to provide a medical hemostatic forceps, and solves the problem that the use of the carried dentate hemostatic forceps is limited due to the fact that different positions of a patient body need to use hemostatic forceps with different contact surfaces in the existing outdoor treatment.
In order to achieve the above object, the basic scheme of the invention is as follows: a medical hemostatic forceps comprises two movable arms, wherein the middle parts of the two movable arms are hinged, the two movable arms are respectively provided with a holding block, one end of one movable arm, which is far away from the holding block, is provided with a plane clamping block, and one end of the other movable arm, which is far away from the holding block, is provided with a tooth surface clamping unit; the adjusting unit is used for adjusting the contact surface of the tooth surface clamping unit to be a plane.
The advantages of the basic scheme are: when the hemostatic forceps with the tooth surface are needed, the medical staff directly holds the two holding blocks to move oppositely, so that the tooth surface clamping unit and the plane clamping block move oppositely, and the tooth surface clamping unit and the plane clamping block can be used for clamping the position of a patient needing hemostasis to perform hemostasis treatment; when the planar hemostatic forceps are needed, the adjusting unit adjusts the contact surface of the tooth surface clamping unit to be a plane, and the tooth surface clamping unit and the planar clamping block which adjust the contact surface to be the plane can be used for clamping the position of a patient needing hemostasis to perform hemostasis treatment; compare in the hemostatic forceps of current flank of tooth, this scheme can be adjusted according to the use needs, and the practicality is strong, has also reduced the injury to patient's health.
Furthermore, the tooth surface clamping unit comprises a movable block fixedly connected with the movable arm, a cavity arranged in the movable block and a plurality of through holes arranged on the side wall of the movable block, and the through holes are communicated with the cavity; vertical grooves communicated with the through holes are formed in the inner walls of the two sides of each through hole, wedge blocks are connected in the vertical grooves in a sliding mode, and first springs are arranged between the wedge blocks and the vertical grooves; one side of the wedge block, which is far away from the vertical block, is flush with one side of the movable block, which is close to the plane clamping block; a plurality of triangular blocks extending into the through holes are transversely arranged in the cavity in a sliding manner, and two sides of each triangular block are abutted to the wedge blocks; the adjusting unit is used for driving the triangular blocks to move transversely.
Through the arrangement, when the planar hemostatic forceps are required to be used, the triangular block is driven to move leftwards to the cavity through the adjusting unit; during the leftward movement of the triangular block, the two wedge blocks move oppositely to be abutted under the action of the first spring; because the right side of voussoir flushes with the right side of movable block, consequently, form a plane through the right side of a plurality of voussoirs and the right side of movable block, can utilize movable block and plane grip block to press from both sides tight patient's position that needs stanch and carry out hemostasis treatment.
Further, the regulating unit includes regulating part and the location portion that is used for the triangle piece location, regulating part is including rotating pivot and the rigid coupling of connection on the movable block in a plurality of gears of changeing epaxial, the gear is located the cavity, be equipped with on the triangle piece with gear engagement's rack.
Through the arrangement, the rotating shaft rotates anticlockwise, the rotating shaft drives the gear to rotate anticlockwise, the gear and the rack are meshed to enable the rack to move leftwards along the path of the guide hole, and then the triangular block is driven to move leftwards.
Further, the positioning part comprises a sliding groove arranged at the bottom in the cavity and a sliding block vertically sliding in the sliding groove, and a second spring is arranged between the sliding block and the sliding groove; a plurality of side blocks are vertically arranged on the side wall of the sliding block, and positioning blocks are arranged at the tops of the side blocks; and the rack is provided with a first positioning groove and a second positioning groove which are used for being clamped with the positioning block.
Through the arrangement, before the rotating shaft needs to be rotated, the sliding block is pushed to move downwards along the sliding groove, so that the positioning block moves out of the first positioning groove, and the second spring is compressed; the rotating shaft is rotated to drive the gear to rotate, so that the rack is driven to move leftwards, and the positioning block abuts against the bottom of the rack; when the positioning block is opposite to the second positioning groove, the sliding block moves upwards under the action of the second spring, and the sliding block drives the positioning block to extend into the second positioning groove, so that the rack is positioned.
Further, the positioning block is spherical; the first positioning groove and the second positioning groove are both arc-shaped.
Through the arrangement, during the transverse movement of the rack, the positioning block can be automatically moved out of and enter the first positioning groove or the second positioning groove.
Furthermore, the top of the sliding block penetrates through the movable block, the sliding block is in clearance fit with the movable block, and the rotating shaft is positioned between the movable block and the triangular block; the top of the movable block is provided with a transverse groove, a transverse block which is abutted against the rotating shaft is connected in the transverse groove in a sliding manner, and a third spring is arranged between the transverse block and the transverse groove; the transverse block is provided with a transverse hole for the sliding block to pass through, and the width of the transverse hole is greater than that of the sliding block; the top of the movable block is hinged with a linkage arm, and the free end of the linkage arm is hinged with one end, far away from the rotating shaft, of the transverse block.
Through the arrangement, when the vertical block moves downwards, the vertical block drives the transverse block to move leftwards along the transverse groove through the linkage arm, and the third spring compresses; because the width of the transverse hole on the transverse block is larger than that of the sliding block, the sliding block does not influence the movement of the transverse block; after the transverse block moves leftwards, the medical staff can rotate the rotating shaft more conveniently; when vertical piece rebound, horizontal piece resets right under the effect of third spring, and when fixing a position the rack, the arc wall on the horizontal piece offsets with the pivot, can strengthen the spacing effect to the rack on the one hand, improves the spacing stability to the rack, and on the other hand medical staff of also being convenient for observes the flank of tooth and adjusts to planar operation completion.
Furthermore, an arc-shaped groove which is abutted against the rotating shaft is arranged at one end, far away from the linkage arm, of the transverse block.
Through the arrangement, the contact surface of the arc-shaped groove and the rotating shaft is larger, the limiting effect on the rotating shaft is enhanced, and the limiting effect on the rack is further enhanced.
Furthermore, a fixing plate is arranged in the cavity and is positioned between the rotating shaft and the triangular block; and the fixed plate is provided with a plurality of guide holes for the racks to pass through.
Through the arrangement, the rack can move transversely in the guide hole, on one hand, the rack can be guided to move, and on the other hand, the stability of the rack in transverse movement can be improved.
Drawings
FIG. 1 is a front view of an embodiment of a medical hemostat according to the present invention;
fig. 2 is a sectional view of the movable block of fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a movable arm 1, a holding block 2, a plane clamping block 3, a movable block 4, a cavity 5, a wedge block 6, a first spring 7, a triangular block 8, a rotating shaft 9, a gear 10, a rack 11, a sliding block 12, a second spring 13, a positioning block 14, a first positioning groove 15, a second positioning groove 16, a transverse block 17, a third spring 18, a transverse hole 19, a linkage arm 20 and a fixing plate 21.
Examples
Substantially as shown in figures 1 and 2: a pair of medical hemostatic forceps comprises two movable arms 1, wherein the middle parts of the two movable arms 1 are hinged, the lower ends of the two movable arms 1 are fixedly connected with holding blocks 2, and the holding blocks 2 are annular; the upper end of one movable arm 1 is fixedly connected with a plane clamping block 3, the upper end of the other movable arm 1 is fixedly connected with a tooth surface clamping unit, and the device also comprises an adjusting unit for adjusting a contact surface of the tooth surface clamping unit to be a plane.
The tooth surface clamping unit comprises a movable block 4 fixedly connected with the movable arm 1, a chamber 5 arranged in the movable block 4 and a plurality of through holes arranged on the side wall of the movable block 4, and the through holes are communicated with the chamber 5; vertical grooves communicated with the through holes are formed in the inner walls of the two sides of each through hole, wedge blocks 6 are connected in the vertical grooves in a sliding mode, and first springs 7 are fixedly connected between the wedge blocks 6 and the vertical grooves; the right side of the wedge block 6 is flush with the right side of the movable block 4; a plurality of triangular blocks 8 extending into the through holes are transversely arranged in the cavity 5 in a sliding manner, and two sides of each triangular block 8 are abutted against the wedge blocks 6; the adjusting unit is used for driving the triangular block 8 to move transversely.
The adjusting unit comprises an adjusting part and a positioning part for positioning the triangular block 8, the adjusting part comprises a rotating shaft 9 which is rotatably connected to the movable block 4 and a plurality of gears 10 which are fixedly connected to the rotating shaft 9, the top of the rotating shaft 9 is positioned above the movable block 4, and the bottom of the rotating shaft 9 is rotatably connected with the bottom in the cavity 5; the gear 10 is positioned in the chamber 5, and the left end of the triangular block 8 is fixedly connected with a rack 11 meshed with the gear 10.
The positioning part comprises a sliding groove arranged at the bottom in the cavity 5 and a sliding block 12 which vertically slides in the sliding groove, and a second spring 13 is fixedly connected between the sliding block 12 and the sliding groove; the top of the sliding block 12 penetrates through the movable block 4, the sliding block 12 is in clearance fit with the movable block 4, and the rotating shaft 9 is positioned between the movable block 4 and the triangular block 8; a plurality of vertical side blocks are fixedly connected to the side wall of the sliding block 12, positioning blocks 14 are fixedly connected to the tops of the side blocks, and the positioning blocks 14 are spherical; a first positioning groove 15 and a second positioning groove 16 which are used for being clamped with the positioning block 14 are formed in the rack 11, the first positioning groove 15 is located on the right side of the second positioning groove 16, and the first positioning groove 15 and the second positioning groove 16 are both arc-shaped; in the initial state, the triangular block 8 extends into the through hole, and the positioning block 14 is positioned in the first positioning groove 15.
The top of the movable block 4 is provided with a transverse groove, a transverse block 17 which is propped against the rotating shaft 9 is connected in the transverse groove in a sliding manner, a third spring 18 is fixedly connected between the transverse block 17 and the transverse groove, and the right end of the transverse block 17 is provided with an arc-shaped groove which is propped against the rotating shaft 9; the top of the transverse block 17 is provided with a transverse hole 19 for the sliding block 12 to pass through, and the width of the transverse hole 19 is larger than that of the sliding block 12; the top of the movable block 4 is hinged with a linkage arm 20, and the free end of the linkage arm 20 is hinged with the left end of the transverse block 17.
A fixed plate 21 is fixedly connected in the chamber 5, and the fixed plate 21 is positioned between the rotating shaft 9 and the triangular block 8; the fixing plate 21 is provided with a plurality of guide holes for the rack 11 to pass through, and the rack 11 is in clearance fit with the guide holes.
The specific implementation process is as follows:
when the hemostatic forceps of the tooth surface needs to be used, medical staff directly hold the two holding blocks 2 to move oppositely, so that the movable block 4 and the plane clamping block 3 move oppositely, the triangular blocks 8 extend out of the through hole at the moment, the tooth surface is formed on the surface opened in a movable mode, and the movable block 4 and the plane clamping block 3 can be used for clamping the position of a patient needing hemostasis to be subjected to hemostasis treatment.
When the planar hemostatic forceps are required to be used, the rotating shaft 9 is rotated anticlockwise, the rotating shaft 9 drives the gear 10 to rotate anticlockwise, the gear 10 is meshed with the rack 11, so that the rack 11 moves leftwards along the path of the guide hole, and the triangular block 8 is driven to move leftwards; during the leftward movement of the rack 11, the positioning block 14 is moved out of the first positioning groove 15, so that the slider 12 moves downward, the second spring 13 is compressed, and the positioning block 14 abuts against the bottom of the rack 11; when the positioning block 14 is opposite to the second positioning slot 16, the sliding block 12 moves upward under the action of the second spring 13, and the sliding block 12 drives the positioning block 14 to extend into the second positioning slot 16, so as to position the rack 11.
When positioning the rack 11, the triangular block 8 is moved into the chamber 5, and the triangular block 8 is still against the two wedges 6; during the movement of the triangular block 8 to the left, the two wedges 6 are caused to move towards each other under the action of the first spring 7; when the rack 11 is positioned, the two wedge blocks 6 are abutted; because the right side of voussoir 6 is flush with the right side of movable block 4, consequently, form a plane through the right side of a plurality of voussoirs 6 and the right side of movable block 4, can utilize movable block 4 and plane grip block 3 to press from both sides tight patient's position that needs stanch and carry out hemostasis treatment. Furthermore, the triangular block 8 can be positioned by positioning the rack 11, and the triangular block 8 abuts against the two wedge blocks 6, so that the triangular block 8 can support the wedge blocks 6, and the stability of the planar hemostatic forceps clamping effect is improved. In addition, utilize the tight line body that can also fix a position on one's body the patient of clamp of planar movable block 4 and plane grip block 3 this moment, compare in the location of the hemostatic forceps of flank of tooth to the line body, this scheme is strengthened the location effect to the line body through the increase contact surface.
Initially, the locating piece 14 is located first locating slot 15, and the arc wall on the horizontal piece 17 offsets with pivot 9 this moment, and then realizes the spacing to pivot 9, can strengthen the spacing effect to rack 11 through the meshing of gear 10 and rack 11, improves the spacing stability to rack 11, improves the stability of the hemostatic forceps clamping effect of flank of tooth promptly.
During the process of adjusting the tooth surface into a plane, the vertical block moves downwards and then moves upwards; when the vertical block moves downwards, the vertical block drives the transverse block 17 to move leftwards along the transverse groove through the linkage arm 20, and the third spring 18 compresses; since the width of the transverse hole 19 on the transverse block 17 is greater than the width of the sliding block 12, the sliding block 12 does not affect the movement of the transverse block 17; after the transverse block 17 moves leftwards, the medical staff can rotate the rotating shaft 9 more conveniently; when vertical piece rebound, horizontal piece 17 resets right under the effect of third spring 18, when fixing a position rack 11, and the arc wall on the horizontal piece 17 offsets with pivot 9, can strengthen the spacing effect to rack 11 on the one hand, improves the spacing stability to rack 11, and on the other hand also is convenient for medical staff to observe the flank of tooth and adjusts to planar operation completion.
The foregoing is merely an example of the present invention and common general knowledge in the art of specific structures and/or features of the invention has not been set forth herein in any way. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (8)
1. The utility model provides a medical hemostatic forceps, includes two digging arms, two the middle part of digging arm is articulated, and all is equipped with on two digging arms and grips piece, its characterized in that: one end of one movable arm, which is far away from the holding block, is provided with a plane clamping block, and one end of the other movable arm, which is far away from the holding block, is provided with a tooth surface clamping unit; the adjusting unit is used for adjusting the contact surface of the tooth surface clamping unit to be a plane.
2. The medical hemostat according to claim 1, wherein: the tooth surface clamping unit comprises a movable block fixedly connected with the movable arm, a cavity arranged in the movable block and a plurality of through holes arranged on the side wall of the movable block, and the through holes are communicated with the cavity; vertical grooves communicated with the through holes are formed in the inner walls of the two sides of each through hole, wedge blocks are connected in the vertical grooves in a sliding mode, and first springs are arranged between the wedge blocks and the vertical grooves; one side of the wedge block, which is far away from the vertical block, is flush with one side of the movable block, which is close to the plane clamping block; a plurality of triangular blocks extending into the through holes are transversely arranged in the cavity in a sliding manner, and two sides of each triangular block are abutted to the wedge blocks; the adjusting unit is used for driving the triangular blocks to move transversely.
3. The medical hemostat according to claim 2, wherein: the adjusting unit includes regulating part and is used for the location portion to the triangle piece location, regulating part is including rotating pivot and a plurality of gears of rigid coupling in the pivot of connection on the movable block, the gear is located the cavity, be equipped with on the triangle piece with gear engagement's rack.
4. The medical hemostat according to claim 3, wherein: the positioning part comprises a sliding groove arranged at the bottom in the cavity and a sliding block vertically sliding in the sliding groove, and a second spring is arranged between the sliding block and the sliding groove; a plurality of side blocks are vertically arranged on the side wall of the sliding block, and positioning blocks are arranged at the tops of the side blocks; and the rack is provided with a first positioning groove and a second positioning groove which are used for being clamped with the positioning block.
5. The medical hemostat according to claim 4, wherein: the positioning blocks are spherical; the first positioning groove and the second positioning groove are both arc-shaped.
6. The medical hemostat according to claim 5, wherein: the top of the sliding block penetrates through the movable block, the sliding block is in clearance fit with the movable block, and the rotating shaft is positioned between the movable block and the triangular block; the top of the movable block is provided with a transverse groove, a transverse block which is abutted against the rotating shaft is connected in the transverse groove in a sliding manner, and a third spring is arranged between the transverse block and the transverse groove; the transverse block is provided with a transverse hole for the sliding block to pass through, and the width of the transverse hole is greater than that of the sliding block; the top of the movable block is hinged with a linkage arm, and the free end of the linkage arm is hinged with one end, far away from the rotating shaft, of the transverse block.
7. The medical hemostat according to claim 6, wherein: and an arc-shaped groove which is abutted against the rotating shaft is arranged at one end of the transverse block, which is far away from the linkage arm.
8. The medical hemostat according to claim 7, wherein: a fixing plate is arranged in the cavity and is positioned between the rotating shaft and the triangular block; and the fixed plate is provided with a plurality of guide holes for the racks to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011309945.3A CN112401980B (en) | 2020-11-20 | 2020-11-20 | Medical hemostatic forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011309945.3A CN112401980B (en) | 2020-11-20 | 2020-11-20 | Medical hemostatic forceps |
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| CN112401980A true CN112401980A (en) | 2021-02-26 |
| CN112401980B CN112401980B (en) | 2021-11-30 |
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| CN202011309945.3A Active CN112401980B (en) | 2020-11-20 | 2020-11-20 | Medical hemostatic forceps |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112401980B (en) | 2021-11-30 |
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