CN112022377A

CN112022377A - Surface treatment device of medical instrument for internal medicine

Info

Publication number: CN112022377A
Application number: CN202010924758.XA
Authority: CN
Inventors: 陈利芳
Original assignee: Individual
Current assignee: Cai Yuanxue
Priority date: 2020-09-05
Filing date: 2020-09-05
Publication date: 2020-12-04
Anticipated expiration: 2040-09-05
Also published as: CN112022377B

Abstract

The invention relates to a surface treatment device of medical equipment for internal medicine, which comprises a base mechanism, a forceps base mechanism, a transverse shaft and a pressing mechanism: the top surface welding of base mechanism has the stand, the top welding of stand has station mechanism, the inside capsule mechanism that is provided with of station mechanism, the top welding of station mechanism has the spring that is provided with, but the top of spring installs the pushing down mechanism of elasticity pushing down the action, but pushing down mechanism pushes down the action time drive capsule mechanism and spouts the medicine to station mechanism in, base mechanism's top still is provided with the link gear who is located station mechanism inboard, and the operator only need drop into station mechanism with the operation tweezers to the hand pushes down the mechanism and can make the operation tweezers reach abluent purpose, and this process can also make the antiseptic solution of filling downwards spout in the capsule mechanism to spout in each station cabin that corresponds one by one, makes five operation tweezers reach quick clearance's purpose, has improved work efficiency.

Description

Surface treatment device of medical instrument for internal medicine

Technical Field

The invention relates to the technical field of medical instrument cleaning devices, in particular to a surface treatment device for medical instrument equipment for internal medicine.

Background

Can use a large amount of surgical forceps in the operation process, the pointed end of tweezers has the tooth, and the tooth divide into coarse tooth and serration again, and coarse tooth tweezers are used for the harder tissue of centre gripping, and the injury nature is great, and serration tweezers are used for the meticulous operation, like tendon suture, plastic surgery etc. can need a plurality of surgical forceps in the great operation process in one field, and the operation finishes and need to these surgical forceps disinfection processing, makes its surface can clear up because of remaining filth in the operation process.

After the operation, in order to clear up the surgical forceps fast, often need utilize cleaning brush or disinfect box to kill and handle, because the surgical forceps is quiescent condition during the processing, consequently the processing time is long, and work efficiency is low, either for disinfection formula clearance structure, or wash the formula clearance mode of rinsing, the processing mode is single relatively, and the equipment size is great, uses the inflexible.

Disclosure of Invention

Based on this, it is necessary to provide a surface treatment device of medical instrument equipment for internal medicine, adopts five station formula clearance structures, once only clears up five surgical forceps, and five stations rotate alone, and the water clearing speed is very fast, and adopts the mode of hand linkage to make five station mechanism mechanical type actions to realize the injection and the mixture of antiseptic solution simultaneously, need not the electric energy loss, the device has convenient operation, the volume is less, uses in a flexible way, the higher significance characteristics of cleaning efficiency.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a medical instrument equipment's for internal medicine surface treatment device, includes base mechanism, tweezers seat mechanism, link gear, station mechanism, horizontal axle and pushes down the mechanism: the top surface of the base mechanism is welded with an upright post, the top end of the upright post is welded with a station mechanism, a medicine cabin mechanism is arranged in the station mechanism, a thick-diameter spring is welded at the top of the station mechanism, a pressing mechanism capable of elastically pressing downwards is mounted at the top end of the thick-diameter spring, the medicine cabin mechanism is driven to spray medicine into the station mechanism when the pressing mechanism presses downwards, a linkage mechanism located on the inner side of the station mechanism is further arranged at the top of the base mechanism, the linkage mechanism is also driven to rotate when the pressing mechanism presses downwards, and the base mechanism comprises a base for fixing the upright post and a retaining ring arranged at the top of the base;

the station mechanism comprises an annular cabin fixed at the top of the forceps holder mechanism through a stand column and five station cabins penetrating through the annular cabin in an annular array pattern, a guide sleeve is arranged in the middle of the annular cabin, a circle of guide columns are further arranged on the top surface of the annular cabin, and the medicine cabin mechanism is fixed in the annular cabin;

the downward pressing mechanism comprises a downward pressing seat and a linkage rod welded on the outer side of the downward pressing seat, a toothed plate is arranged at the bottom end of the linkage rod, a circle of lug seats for stably guiding to the guide post when the downward pressing seat is pressed down is arranged on the downward pressing seat, and a pressing end is also arranged on the bottom surface of the downward pressing seat;

the forceps holder mechanism is five, and the equipartition sets up on base mechanism, forceps holder mechanism includes that it installs the bull stick on the seat bottom and install the driven gear on the bull stick to be the rotation mode through the bearing, the forceps holder is installed on driven gear's top, the both sides face of forceps holder is fixed with the spring, there is the spring leaf in the outside of forceps holder through the spring mounting to make operation forceps back-off follow the rotatory action of forceps holder on the spring leaf.

Preferably, the method comprises the following steps: the linkage mechanism comprises a large fluted disc and an annular cage seat, wherein the large fluted disc is installed on the bottom of the seat through a rotating shaft, the annular cage seat is fixed to the top of the large fluted disc, a tapered tooth surface is arranged at the top of the annular cage seat, a transverse shaft is arranged on one position of the annular cage seat, and a tooth roller is arranged at the inner end of the transverse shaft.

Preferably, the method comprises the following steps: the utility model discloses a surgical forceps, including fluted roller, annular cage seat, gangbar, fluted roller and pinion rack, the fluted roller meshes with the pinion rack, the outer end of fluted roller still is provided with the toper end flank of tooth with the meshing of awl flank of tooth, fluted roller and annular array mesh in the driven gear meshing in its outside, through the rotatory action of pinion rack drive annular cage seat when the gangbar moves down, annular cage seat drives the fluted roller rotation, fluted roller drive driven gear drives the rotation of tweezers seat to make the tweezers seat drive the rotatory action of surgical forceps.

Preferably, the method comprises the following steps: the utility model discloses a disinfection device, including annular cabin, medicine cabin mechanism, injection pipe, round, pressure-bearing seat, injection pipe, round, spray tube, medicine cabin mechanism, injection pipe, spray tube, pressure-bearing seat, pressure end, and continue to exert pressure to the pressure-bearing seat, the medicine cabin mechanism is including being fixed in the medicine cabin in the annular cabin, the top of medicine cabin is provided with the injection pipe that is used for inwards adding the antiseptic solution, the bottom in medicine cabin is provided with the round and outwards spun spray tube with the.

Preferably, the method comprises the following steps: the medicine cabin is of an annular capsule cavity structure, and when the pressure bearing seat bears pressure, the medicine cabin compresses to spray disinfectant in the cabin downwards through the spray pipe.

Preferably, the method comprises the following steps: the forceps seats at the five positions correspond to the station cabins at the five positions, and the spray pipes extend into the station cabins.

Preferably, the method comprises the following steps: the inner chamber bottom surface of annular cage seat still installs the round pole that turns, the pole that turns is along with annular cage seat synchronous revolution, and the pole that turns outwards stretches out from the fretwork of annular cage seat.

Preferably, the method comprises the following steps: the spring piece is of a V-shaped structure, and sawtooth-shaped friction surfaces are arranged on two side surfaces of the spring piece.

Compared with the prior art, the invention has the following beneficial effects:

1. the medical forceps cleaning device is composed of a pressing mechanism, a station mechanism, a medicine cabin mechanism, a forceps seat mechanism and a linkage mechanism, when the medical forceps cleaning device is in actual use, an operator only needs to put the surgical forceps into the station mechanism, and can clean the surgical forceps by pressing the pressing mechanism with hands, disinfectant filled in the medicine cabin mechanism can be sprayed downwards in the process and sprayed into each corresponding station cabin one by one, the purpose of quickly cleaning five surgical forceps is achieved, and the working efficiency is improved.

2. The pressing mechanism is supported upwards by a spring, is influenced by the spring to reset upwards after being pressed for one time and loosened, and forces five station cabins on the station mechanism to realize positive and negative bidirectional rotation along with the up-and-down movement of the pressing mechanism by utilizing the linkage modes of a toothed roller, a toothed plate and the like on the linkage mechanism, so that the five surgical forceps in the five station cabins achieve the purpose of bidirectional swinging type disinfection type cleaning, and the cleaning effect is better.

3. Under the effect of link gear, when making the mechanism of pushing down move from top to bottom, can drive the cabin mechanism of medicine simultaneously and pour into the antiseptic solution into the station cabin to make five station cabins rotatory action simultaneously, once move and realize these two major functions, structural design is ingenious, the operation of being convenient for, wholly is three-dimensional structure, and the size is less, and occupation space is less during the in-service use, and structural design is reasonable.

4. The spray pipes on the medicine cabin mechanisms correspond to each station cabin one by one, when the medicine cabin mechanisms are pressurized, disinfectant is injected into the corresponding station cabins in a bag cavity exhausting mode, surgical forceps inserted into the station cabins are subjected to targeted disinfection treatment, the disinfection effect is better, and the station cabins rotate respectively, so that clean water filled in the base cabins can be better scrubbed.

Drawings

FIG. 1 is a schematic structural diagram of a front view plane of the present invention;

FIG. 2 is a schematic top view from FIG. 1 illustrating the present invention;

fig. 3 is a schematic diagram of the distribution structure of the nipper frame mechanism in the case of the removal station mechanism of the present invention;

FIGS. 4, 5 and 6 are schematic views of the present invention with a rotational angle of view derived from FIG. 3;

FIG. 7 is a schematic view of the present invention with only the base mechanism removed;

FIG. 8 is a bottom perspective view of the present invention, taken from FIG. 7;

fig. 9 is a schematic front plan view of the present invention from fig. 1.

Description of the main reference numerals:

1. a base mechanism; 101. a baffle ring; 102. a base; 2. a forceps holder mechanism; 201. a rotating rod; 202. a driven gear; 203. a forceps base; 204. a spring plate; 205. a spring; 20401. a friction surface; 3. a linkage mechanism; 301. a big fluted disc; 302. a cage seat; 303. a tapered tooth surface; 304. a crank lever; 4. a column; 5. a station mechanism; 501. an annular chamber; 502. a station cabin; 503. a guide sleeve; 504. a guide post; 6. a capsule mechanism; 601. a medicine cabin; 602. an injection pipe; 603. a nozzle; 604. a pressure bearing seat; 7. a transverse axis; 701. a toothed roller; 8. a pressing mechanism; 801. pressing down the base; 802. a linkage rod; 803. a toothed plate; 804. an ear mount; 805. pressing the end; 9. a large diameter spring.

Detailed Description

Referring to fig. 1-9, a surface treatment device for medical instruments for internal medicine comprises a base mechanism 1, a forceps base mechanism 2, a linkage mechanism 3, a station mechanism 5, a transverse shaft 7 and a pressing mechanism 8: the top surface of the base mechanism 1 is welded with the stand column 4, the top end of the stand column 4 is welded with the station mechanism 5, the inside medicine cabin mechanism 6 that is provided with of the station mechanism 5, the top welding of the station mechanism 5 is provided with the large diameter spring 9, the pushing mechanism 8 that can elastically push down the action is installed on the top end of the large diameter spring 9, the medicine cabin mechanism 6 is driven to spray medicine into the station mechanism 5 when the pushing mechanism 8 pushes down the action, the top of the base mechanism 1 is further provided with the link mechanism 3 that is located on the inner side of the station mechanism 5, the link mechanism 3 is also driven to rotate when the pushing mechanism 8 pushes down the action, the base mechanism 1 comprises a seat bottom 102 for fixing the stand column 4 and a baffle ring 101 arranged on the top of the seat bottom 102, when the base mechanism is actually used, clear water is injected into an annular cavity formed by the seat bottom 102 and the seat bottom 102, and.

As shown in fig. 7, the station mechanism 5 includes an annular chamber 501 fixed on the top of the forceps holder mechanism 2 through the upright post 4 and five station chambers 502 penetrating through the annular chamber 501 in an annular array pattern, the station chambers 502 are hollow-out structures, and are immersed in a water cavity formed by the base mechanism 1, so that clean water penetrates through the station chambers 502, the surgical forceps inserted in the station chambers 502 are immersed, and in practical use, the five post-operation surgical forceps can be respectively inserted in the five station chambers 502 upside down, the five station structure can improve the working efficiency, the medicine chamber mechanism 6 is fixed in the annular chamber 501, the medicine chamber mechanism 6 is used for containing sterilized or bactericidal liquid medicine in practical use, and in cleaning the surgical forceps, the medicine chamber mechanism 6 can respectively inject the liquid medicine into the five station chambers 502, so as to achieve the purpose of injecting medicine one by one.

As shown in fig. 1, 4 and 5, the pressing mechanism 8 includes a pressing base 801 and a linkage rod 802 welded to the outer side of the pressing base 801, a toothed plate 803 is disposed at the bottom end of the linkage rod 802, a ring of ear bases 804 for stably guiding to the guide posts 504 when the pressing base 801 is pressed down is disposed on the pressing base 801, a pressing end 805 is further disposed at the bottom surface of the pressing base 801, when the pressing base 801 is pressed down, the pressing end 805 extends into the guide sleeve 503 to press the capsule mechanism 6 in the annular capsule 501 down to spray the capsule mechanism 6 downwards, and since the capsule mechanism 6 includes the capsule 601 fixed in the annular capsule 501, an injection pipe 602 for adding disinfectant inwards is disposed at the top of the capsule 601, a ring of spray pipes 603 for spraying disinfectant outwards is disposed at the bottom of the capsule 601, a bearing base 604 is disposed at the top of the capsule 601, and when the pressing base 801 is pressed down, the pressing end 805 enters the annular capsule 501 through the guide sleeve 503, and continuously pressurizing the pressure-bearing seat 604, as the medicine cabin 601 is of an annular capsule cavity structure, the liquid medicine in the medicine cabin 601 is sprayed downwards through the spray pipe 603, the medicine cabin 601 compresses when the pressure-bearing seat 604 bears pressure, the disinfectant in the cabin is sprayed downwards through the spray pipe 603, the five forceps seats 203 correspond to the five station cabins 502, the surgical forceps are reversely buckled on the forceps seats 203, the spray pipe 603 extends into the station cabins 502, finally, the liquid medicine in the medicine cabin 601 is sprayed into each station cabin 502 through the spray pipe 603, and the surgical forceps inserted into the station cabins 502 on the forceps seats 203 achieve the purpose of injecting sterilization or disinfection liquid medicine.

The forceps holder mechanism 2 is provided with five parts which are uniformly distributed on the base mechanism 1, the forceps holder mechanism 2 comprises a rotating rod 201 which is rotatably arranged on the holder base 102 through a bearing and a driven gear 202 which is arranged on the rotating rod 201, the top end of the driven gear 202 is provided with a forceps holder 203, two side surfaces of the forceps holder 203 are fixed with springs 205, the outer side of the forceps holder 203 is provided with a spring leaf 204 through the spring 205, so that the surgical forceps are reversely buckled on the spring leaf 204 to rotate along with the forceps holder 203, the surgical forceps holder 203 can be reversely buckled on the forceps holder 203, the surgical forceps can be cleaned while rotating, in addition, the spray pipe 603 at the top can also inject medicine liquid into the station chamber 502, the surgical forceps can be cleaned while rotating, the medicine injection and sterilization, the working efficiency can be improved, the functionality is improved, as shown in fig. 3, the spring leaf 204 is of a V-shaped structure, and two side surfaces are provided with sawtooth-shaped friction surfaces 20401, therefore, the V-shaped spring plate 204 has an expansion characteristic to satisfy the requirement of the reverse insertion of the surgical forceps with various V-shaped opening patterns, and the serrated friction surface 20401 can be used for removing the dirt on the tooth surface of the inner surface of the surgical forceps reversely inserted into the V-shaped spring plate 204 in advance during the insertion, so that the structure of the spring plate 204 is more reasonable.

The linkage mechanism 3 comprises a big fluted disc 301 installed on the base 102 through a rotating shaft and an annular cage base 302 fixed on the top of the big fluted disc 301, the top of the annular cage base 302 is provided with a conical tooth surface 303, one of the station chambers 502 is provided with a transverse shaft 7, the inner end of the transverse shaft 7 is provided with a tooth roller 701, the tooth roller 701 is meshed with a toothed plate 803, the outer end head of the tooth roller 701 is further provided with a conical end tooth surface meshed with the conical tooth surface 303, the big fluted disc 301 is meshed with a driven gear 202 arranged outside the annular array, when the linkage rod 802 moves downwards, the annular cage base 302 is driven to rotate through the toothed plate 803, the annular cage base 302 drives the big fluted disc 301 to rotate, the big fluted disc 301 drives the driven gear 202 to drive the forceps base 203 to rotate, so that the forceps base 203 drives the surgical forceps to rotate.

As shown in fig. 4 and 5, a circle of turning rod 304 is further installed on the bottom surface of the inner cavity of the annular cage base 302, the turning rod 304 rotates synchronously with the annular cage base 302, and the turning rod 304 extends outwards from the hollow of the annular cage base 302, so that the annular cage base 302 is driven to rotate in, and the turning rod 304 also rotates to form a stirring structure located inside the baffle ring 101, and in practical use, the clear water injected into the inner side of the baffle ring 101 can be mixed by utilizing the stirring characteristic, so that the clear water and the liquid medicine immersed in the station chamber 502 can be fully mixed, and the clear water and the liquid medicine can be fully mixed when the turning rod 304 is continuously stirred, so that the purpose of more fully cleaning the surgical forceps inserted in the station chamber 502 can be achieved.

In practical use, five pieces of surgical forceps are respectively inserted into the station cabin 502, and are elastically influenced by the spring piece 204 to be limited in an outward expanding manner, at the moment, the pressing seat 801 can be pressed down by hand, when the pressing seat 801 is pressed down continuously, the pressing end 805 enters the annular cabin 501 through the guide sleeve 503 and continuously presses the pressure bearing seat 604, as the medicine cabin 601 is of an annular capsule cavity structure, the medicine liquid in the medicine cabin 601 is sprayed into the corresponding five station cabins 502 through the spray pipe 603 to achieve the purpose of sterilization of the surgical forceps, and simultaneously the pressing seat 801 which is pressed down drives the linkage rod 802 at the side part to downwards move with the toothed plate 803 at the bottom end and can drive the toothed roller 701 to rotate in the downward moving process, so that the conical end toothed surface at the outer end of the toothed roller 701 is meshed with the conical toothed surface 303, and finally the large toothed plate 301 is forced to simultaneously drive the five driven gears 202 to rotate, thereby driving the five forceps seats 203 to rotate, so that the surgical forceps on the forceps seat 203 can automatically rotate and clean the surgical forceps while injecting medicine, by adopting the linkage structure, the mode that the five station cabins 502 are simultaneously driven to drive the five surgical forceps to rotate can not only enable the surgical forceps to achieve autorotation cleaning, but also achieve the mode that the mixed liquid type cleaning is completed by the injected liquid, the structure is simple, the operation is easy, the electric energy is not needed, and meanwhile, the working efficiency is improved.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. The utility model provides a surface treatment device of medical instrument equipment for internal medicine, includes base mechanism (1), tweezers seat mechanism (2), link gear (3), station mechanism (5), horizontal axle (7) and pushes down mechanism (8), its characterized in that: the top surface of the base mechanism (1) is welded with an upright post (4), the top end of the upright post (4) is welded with a station mechanism (5), a medicine cabin mechanism (6) is arranged in the station mechanism (5), a large-diameter spring (9) is welded at the top of the station mechanism (5), the top end of the large-diameter spring (9) is provided with a pressing mechanism (8) which can elastically press down, the medicine cabin mechanism (6) is driven to spray medicine into the station mechanism (5) when the pressing mechanism (8) presses downwards, the top of the base mechanism (1) is also provided with a linkage mechanism (3) positioned at the inner side of the station mechanism (5), the linkage mechanism (3) is also driven to rotate when the pressing mechanism (8) presses down, the base mechanism (1) comprises a base (102) for fixing the upright post (4) and a baffle ring (101) arranged at the top of the base (102);

the station mechanism (5) comprises an annular cabin (501) fixed to the top of the forceps holder mechanism (2) through a stand column (4) and five station cabins (502) penetrating through the annular cabin (501) in an annular array mode, a guide sleeve (503) is arranged in the middle of the annular cabin (501), a circle of guide columns (504) are further arranged on the top surface of the annular cabin (501), and the medicine cabin mechanism (6) is fixed in the annular cabin (501);

the downward pressing mechanism (8) comprises a downward pressing seat (801) and a linkage rod (802) welded to the outer side of the downward pressing seat (801), a toothed plate (803) is arranged at the bottom end of the linkage rod (802), a circle of lug seats (804) used for stably guiding to the guide post (504) when downward pressing is arranged on the downward pressing seat (801), a pressing end (805) is further arranged on the bottom surface of the downward pressing seat (801), and when the downward pressing seat (801) performs downward pressing action, the pressing end (805) extends into the guide sleeve (503) to press the medicine cabin mechanism (6) in the annular cabin (501) downward so as to enable the medicine cabin mechanism (6) to spray medicine downwards;

tweezers seat mechanism (2) are five, and the equipartition sets up on base mechanism (1), tweezers seat mechanism (2) are including being bull stick (201) that the rotation mode was installed on seat bottom (102) and installing driven gear (202) on bull stick (201) through the bearing, tweezers seat (203) are installed to the top of driven gear (202), the both sides face of tweezers seat (203) is fixed with spring (205), spring leaf (204) are installed through spring (205) in the outside of tweezers seat (203) to make the operation tweezers back-off follow tweezers seat (203) rotation on spring leaf (204).

2. The surface treatment apparatus for medical equipment for internal medicine according to claim 1, wherein: the linkage mechanism (3) comprises a big fluted disc (301) and an annular cage seat (302), wherein the big fluted disc (301) is installed on a seat bottom (102) through a rotating shaft, the annular cage seat (302) is fixed to the top of the big fluted disc (301), a tapered tooth surface (303) is arranged at the top of the annular cage seat (302), a transverse shaft (7) is arranged on a station cabin (502), and a tooth roller (701) is arranged at the inner end of the transverse shaft (7).

3. The surface treatment apparatus for medical equipment for internal medicine according to claim 2, wherein: tooth roller (701) and pinion rack (803) meshing, the outer end of tooth roller (701) still is provided with the toper end flank of tooth with awl flank of tooth (303) meshing, fluted disc (301) and annular array mesh in driven gear (202) in its outside, and gangbar (802) pass through pinion rack (803) drive annular cage seat (302) rotation action during the downward action, annular cage seat (302) drive fluted disc (301) are rotatory, fluted disc (301) drive driven gear (202) drive tweezers seat (203) are rotatory to make tweezers seat (203) take surgical forceps rotation action.

4. The surface treatment apparatus for medical equipment for internal medicine according to claim 3, wherein: medicine cabin mechanism (6) is including being fixed in medicine cabin (601) in annular cabin (501), the top of medicine cabin (601) is provided with injection tube (602) that are used for inside interpolation antiseptic solution, the bottom of medicine cabin (601) is provided with round spray tube (603) with the outside blowout of antiseptic solution, the top of medicine cabin (601) is provided with pressure-bearing seat (604), when pushing down seat (801) and pushing down the action, pressure end (805) get into annular cabin (501) through uide bushing (503) in to continue to exert pressure to pressure-bearing seat (604).

5. The surface treatment apparatus for medical equipment for internal medicine according to claim 4, wherein: the medicine cabin (601) is of an annular capsule cavity structure, when the pressure bearing seat (604) bears pressure, the medicine cabin (601) compresses to spray disinfectant in the cabin downwards through the spray pipe (603).

6. The surface treatment apparatus for medical equipment for internal medicine according to claim 5, wherein: the five forceps seats (203) correspond to the five station cabins (502), and the spray pipe (603) extends into the station cabin (502).

7. The surface treatment apparatus for medical equipment for internal medicine according to claim 2, wherein: the inner cavity bottom surface of annular cage seat (302) still installs round turning pole (304), turning pole (304) are along with annular cage seat (302) synchronous revolution, and turning pole (304) are outwards stretched out from the fretwork of annular cage seat (302).

8. The surface treatment apparatus for medical equipment for internal medicine according to claim 1, wherein: the spring piece (204) is of a V-shaped structure, and sawtooth-shaped friction surfaces (20401) are arranged on two side surfaces of the spring piece.